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  • Instruments memory leak iphone

    - by dubbeat
    Hi, I posted this problem a few days ago but it was very muddled and my question wasnt very clear so I removed it. I've been digging around and the memory leak is still persiting. Hopefully this attempt will be clearer. First off I've run the static analyzer and it reports no memory leaks. I then ran Instruments and it pointed to a memory leak at this line of code. As far as I can see there is no memory leak. featured=[[UILabel alloc]initWithFrame:CGRectMake(130,15, 200, 15)]; //[featured setFont:[UIFont UIFontboldSystemFontOfSize:20]]; featured.font = [UIFont boldSystemFontOfSize:20]; featured.backgroundColor= [UIColor clearColor]; featured.textColor=[UIColor blackColor]; featured.text= @"Featured Promo"; [self.view addSubview:featured]; [featured release]; featured=nil; If I comment out the above code Instruments reports another memory leak in another block of code where there is no discernible leak. UIButton *populartbutton = [[UIButton buttonWithType:UIButtonTypeRoundedRect]]; populartbutton.frame = CGRectMake(112, 145, 90, 22); // size and position of button [populartbutton setTitle:@"Popular" forState:UIControlStateNormal]; populartbutton.backgroundColor = [UIColor clearColor]; populartbutton.adjustsImageWhenHighlighted = YES; [populartbutton addTarget:self action:@selector(getpopular:) forControlEvents:UIControlEventTouchUpInside]; [self.view addSubview:populartbutton]; Instruments also says Responsible Library = Core Graphics Responsible Frame = open_handle_to_dylib_path This Is the stack trace. 53 Promo start 52 Promo main /Users/..2/main.m:14 51 UIKit UIApplicationMain 50 UIKit -[UIApplication _run] 49 CoreFoundation CFRunLoopRunInMode 48 CoreFoundation CFRunLoopRunSpecific 47 GraphicsServices PurpleEventCallback 46 UIKit _UIApplicationHandleEvent 45 UIKit -[UIApplication sendEvent:] 44 UIKit -[UIApplication handleEvent:withNewEvent:] 43 UIKit -[UIApplication _reportAppLaunchFinished] 42 QuartzCore CA::Transaction::commit() 41 QuartzCore CA::Context::commit_transaction(CA::Transaction*) 40 QuartzCore CALayerLayoutIfNeeded 39 QuartzCore -[CALayer layoutSublayers] 38 UIKit -[UILayoutContainerView layoutSubviews] 37 UIKit -[UINavigationController _startDeferredTransitionIfNeeded] 36 UIKit -[UINavigationController _startTransition:fromViewController:toViewController:] 35 UIKit -[UINavigationController _layoutViewController:] 34 UIKit -[UINavigationController_computeAndApplyScrollContentInsetDeltaForViewController:] 33 UIKit -[UIViewController contentScrollView] 32 UIKit -[UIViewController view] 31 Promo -[FeaturedLevelViewController viewDidLoad] /Users/..s/FeaturedLevelViewController.m:67 // THIS IS MY CLASS WHERE THE CODE SAMPLES ABOVE ARE FROM 30 UIKit -[UILabel initWithFrame:] 29 UIKit -[UILabel _commonInit] 28 UIKit +[UILabel defaultFont] 27 UIKit +[UIFont systemFontOfSize:] 26 GraphicsServices GSFontCreateWithName 25 CoreGraphics CGFontCreateWithName 24 CoreGraphics CGFontCreateWithFontName 23 CoreGraphics CGFontFinderGetDefault 22 CoreGraphics CGFontGetVTable 21 libSystem.B.dylib pthread_once 20 CoreGraphics load_vtable 19 CoreGraphics load_library 18 CoreGraphics CGLibraryLoadFunction 17 CoreGraphics load_function 16 CoreGraphics open_handle_to_dylib_path 15 libSystem.B.dylib dlopen 14 dyld dlopen 13 dyld dyld::link(ImageLoader*, bool, ImageLoader::RPathChain const&) 12 dyld ImageLoader::link(ImageLoader::LinkContext const&, bool, bool, ImageLoader::RPathChain const&) 11 dyld ImageLoader::recursiveLoadLibraries(ImageLoader::LinkContext const&, bool, ImageLoader::RPathChain const&) 10 dyld dyld::libraryLocator(char const*, bool, char const*, ImageLoader::RPathChain const*) 9 dyld dyld::load(char const*, dyld::LoadContext const&) 8 dyld dyld::loadPhase0(char const*, dyld::LoadContext const&, std::vector<char const*, std::allocator<char const*> >*) 7 dyld dyld::loadPhase1(char const*, dyld::LoadContext const&, std::vector<char const*, std::allocator<char const*> >*) 6 dyld dyld::loadPhase3(char const*, dyld::LoadContext const&, std::vector<char const*, std::allocator<char const*> >*) 5 dyld dyld::loadPhase4(char const*, dyld::LoadContext const&, std::vector<char const*, std::allocator<char const*> >*) 4 dyld dyld::loadPhase5(char const*, dyld::LoadContext const&, std::vector<char const*, std::allocator<char const*> >*) 3 dyld dyld::mkstringf(char const*, ...) 2 dyld strdup 1 dyld malloc 0 libSystem.B.dylib malloc I'm really not too sure how to use this information to fix the problem so any guidance would be appreciated. Perhaps the answer is in the trace but I just don't know what to look for? EDIT:: The above stack trace is when running on the simulator. The following is from running on a device. This trace does not point to any of my own classes 23 Promo 0x0 22 libSystem.B.dylib _pthread_body 21 Foundation __NSThread__main__ 20 Foundation +[NSThread exit] 19 libSystem.B.dylib _pthread_exit 18 libSystem.B.dylib _pthread_tsd_cleanup 17 QuartzCore CA::Transaction::release_thread(void*) 16 QuartzCore CA::Transaction::commit() 15 QuartzCore CA::Context::commit_transaction(CA::Transaction*) 14 QuartzCore CALayerDisplayIfNeeded 13 QuartzCore -[CALayer display] 12 QuartzCore -[CALayer _display] 11 QuartzCore CABackingStoreUpdate 10 QuartzCore backing_callback(CGContext*, void*) 9 QuartzCore -[CALayer drawInContext:] 8 UIKit -[UIView(CALayerDelegate) drawLayer:inContext:] 7 UIKit -[UILabel drawRect:] 6 UIKit -[UILabel drawTextInRect:] 5 UIKit -[UILabel _drawTextInRect:baselineCalculationOnly:] 4 UIKit -[NSString(UIStringDrawing) drawAtPoint:forWidth:withFont:lineBreakMode:] 3 UIKit -[NSString(UIStringDrawing) drawAtPoint:forWidth:withFont:lineBreakMode:letterSpacing:includeEmoji:] 2 WebCore WKSetCurrentGraphicsContext 1 WebCore CurrentThreadContext() 0 libSystem.B.dylib calloc

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  • CodePlex Daily Summary for Tuesday, May 25, 2010

    CodePlex Daily Summary for Tuesday, May 25, 2010New ProjectsBibleNames: BibleNames BibleNames BibleNames BibleNames BibleNamesBing Search for PHP Developers: This is the Bing SDK for PHP, a toolkit that allows you to easily use Bing's API to fetch search results and use in your own application. The Bin...Fading Clock: Fading Clock is a normal clock that has the ability to fade in out. It's developed in C# as a Windows App in .net 2.0.Fuzzy string matching algorithm in C# and LINQ: Fuzzy matching strings. Find out how similar two string is, and find the best fuzzy matching string from a string table. Given a string (strA) and...HexTile editor: Testing hexagonal tile editorhgcheck12: hgcheck12Metaverse Router: Metaverse Router makes it easier for MIIS, ILM, FIM Sync engine administrators to manage multiple provisioning modules, turn on/off provisioning wi...MyVocabulary: Use MyVocabulary to structure and test the words you want to learn in a foreign language. This is a .net 3.5 windows forms application developed in...phpxw: Phpxw 是一个简易的PHP框架。以我自己的姓名命名的。 Phpxw is a simple PHP framework. Take my name named.Plop: Social networking wrappers and projects.PST Data Structure View Tool: PST Data Structure View Tool (PSTViewTool) is a tool supporting the PST file format documentation effort. It allows the user to browse the internal...PST File Format SDK: PST File Format SDK (pstsdk) is a cross platform header only C++ library for reading PST files.QWine: QWine is Queue Machine ApplicationSharePoint Cross Site Collection Security Trimmed Navigation: This SP2010 project will show security trimmed navigation that works across site collections. The project is written for SP2010, but can be easily ...SharePoint List Field Manager: The SharePoint List Field Manager allows users to manage the Boolean properties of a list such as Read Only, Hidden, Show in New Form etc... It sup...Silverlight Toolbar for DataGrid working with RIA Services or local data: DataGridToolbar contains two controls for Silverlight DataGrid designed for RIA Services and local data. It can be used to filter or remove a data,...SilverShader - Silverlight Pixel Shader Demos: SilverShader is an extensible Silverlight application that is used to demonstrate the effect of different pixel shaders. The shaders can be applied...SNCFT Gadget: Ce gadget permet de consulter les horaires des trains et de chercher des informations sur le site de la société nationale des chemins de fer tunisi...Software Transaction Memory: Software Transaction Memory for .NETStreamInsight Samples: This project contains sample code for StreamInsight, Microsoft's platform for complex event processing. The purpose of the samples is to provide a ...StyleAnalizer: A CSS parserSudoku (Multiplayer in RnD): Sudoku project was to practice on C# by making a desktop application using some algorithm Before this, I had worked on http://shaktisaran.tech.o...Tiplican: A small website built for the purpose of learning .Net 4 and MVC 2TPager: Mercurial pager with color support on Windowsunirca: UNIRCA projectWcfTrace: The WcfTrace is a easy way to collect information about WCF-service call order, processing time and etc. It's developed in C#.New ReleasesASP.NET TimePicker Control: 12 24 Hour Bug Fix: 12 24 Hour Bug FixASP.NET TimePicker Control: ASP.NET TimePicker Control: This release fixes a focus bug that manifests itself when switching focus between two different timepicker controls on the same page, and make chan...ASP.NET TimePicker Control: ASP.NET TimePicker Control - colon CSS Fix: Fixes ":" seperator placement issues being too hi and too low in IE and FireFox, respectively.ASP.NET TimePicker Control: Release fixes 24 Hour Mode Bug: Release fixes 24 Hour Mode BugBFBC2 PRoCon: PRoCon 0.5.1.1: Visit http://phogue.net/?p=604 for release notes.BFBC2 PRoCon: PRoCon 0.5.1.2: Release notes can be found at http://phogue.net/?p=604BFBC2 PRoCon: PRoCon 0.5.1.4: Ha.. choosing the "stable" option at the moment is a bit of a joke =\ Release notes at http://phogue.net/?p=604BFBC2 PRoCon: PRoCon 0.5.1.5: BWHAHAHA stable.. ha. Actually this ones looking pretty good now. http://phogue.net/?p=604Bojinx: Bojinx Core V4.5.14: Issues fixed in this release: Fixed an issue that caused referencePropertyName when used through a property configuration in the context to not wo...Bojinx: Bojinx Debugger V0.9B: Output trace and filtering that works with the Bojinx logger.CassiniDev - Cassini 3.5/4.0 Developers Edition: CassiniDev 3.5.1.5 and 4.0.1.5 beta3: Fixed fairly serious bug #13290 http://cassinidev.codeplex.com/WorkItem/View.aspx?WorkItemId=13290Content Rendering: Content Rendering API 1.0.0 Revision 46406: Initial releaseDeploy Workflow Manager: Deploy Workflow Manager Web Part v2: Recommend you test in your development environment first BEFORE using in production.dotSpatial: System.Spatial.Projections Zip May 24, 2010: Adds a new spherical projection.eComic: eComic 2010.0.0.2: Quick release to fix a couple of bugs found in the previous version. Version 2010.0.0.2 Fixed crash error when accessing the "Go To Page" dialog ...Exchange 2010 RBAC Editor (RBAC GUI) - updated on 5/24/2010: RBAC Editor 0.9.4.1: Some bugs fixed; support for unscopoedtoplevel (adding script is not working yet) Please use email address in About menu of the tool for any feedb...Facebook Graph Toolkit: Preview 1 Binaries: The first preview release of the toolkit. Not recommended for use in production, but enought to get started developing your app.Fading Clock: Clock.zip: Clock.zip is a zip file that contains the application Clock.exe.hgcheck12: Rel8082: Rel8082hgcheck12: scsc: scasMetaverse Router: Metaverse Router v1.0: Initial stable release (v.1.0.0.0) of Metaverse Router Working with: FIM 2010 Synchronization Engine ILM 2007 MIIS 2003MSTestGlider: MSTestGlider 1.5: What MSTestGlider 1.5.zip unzips to: http://i49.tinypic.com/2lcv4eg.png If you compile MSTestGlider from its source you will need to change the ou...MyVocabulary: Version 1.0: First releaseNLog - Advanced .NET Logging: Nightly Build 2010.05.24.001: Changes since the last build:2010-05-23 20:45:37 Jarek Kowalski fixed whitespace in NLog.wxs 2010-05-23 12:01:48 Jarek Kowalski BufferingTargetWra...NoteExpress User Tools (NEUT) - Do it by ourselves!: NoteExpress User Tools 2.0.0: 测试版本:NoteExpress 2.5.0.1154 +调整了Tab页的排列方式 注:2.0未做大的改动,仅仅是运行环境由原来的.net 3.5升级到4.0。openrs: Beta Release (Revision 1): This is the beta release of the openrs framework. Please make sure you submit issues in the issue tracker tab. As this is beta, extreme, flawless ...openrs: Revision 2: Revision 2 of the framework. Basic worker example as well as minor improvements on the auth packet.phpxw: Phpxw: Phpxw 1.0 phpxw 是一个简易的PHP框架。以我自己的姓名命名的。 Phpxw is a simple PHP framework. Take my name named. 支持基本的业务逻辑流程,功能模块化,实现了简易的模板技术,同时也可以支持外接模板引擎。 Support...sELedit: sELedit v1.1a: Fixed: clean file before overwriting Fixed: list57 will only created when eLC.Lists.length > 57sGSHOPedit: sGSHOPedit v1.0a: Fixed: bug with wrong item array re-size when adding items after deleting items Added: link to project page pwdatabase.com version is now selec...SharePoint Cross Site Collection Security Trimmed Navigation: Release 1.0.0.0: If you want just the .wsp, and start using this, you can grab it here. Just stsadm add/deploy to your website, and activate the feature as describ...Silverlight 4.0 Popup Menu: Context Menu for Silverlight 4.0 v1.24 Beta: - Updated the demo and added clipboard cut/copy and paste functionality. - Added delay on hover events for both parent and child menus. - Parent me...Silverlight Toolbar for DataGrid working with RIA Services or local data: DataGridToolBar Beta: For Silverlight 4.0sMAPtool: sMAPtool v0.7d (without Maps): Added: link to project pagesMODfix: sMODfix v1.0a: Added: Support for ECM v52 modelssNPCedit: sNPCedit v0.9a: browse source commits for all changes...SocialScapes: SocialScapes TwitterWidget 1.0.0: The SocialScapes TwitterWidget is a DotNetNuke Widget for displaying Twitter searches. This widget will be used to replace the twitter functionali...SQL Server 2005 and 2008 - Backup, Integrity Check and Index Optimization: 23 May 2010: This is the latest version of my solution for Backup, Integrity Check and Index Optimization in SQL Server 2005, SQL Server 2008 and SQL Server 200...sqwarea: Sqwarea 0.0.280.0 (alpha): This release brings a lot of improvements. We strongly recommend you to upgrade to this version.sTASKedit: sTASKedit v0.7c: Minor Changes in GUI & BehaviourSudoku (Multiplayer in RnD): Sudoku (Multiplayer in RnD) 1.0.0.0 source: Sudoku project was to practice on C# by making a desktop application using some algorithm Idea: The basic idea of algorithm is from http://www.ac...Sudoku (Multiplayer in RnD): Sudoku (Multiplayer in RnD) 1.0.0.1 source: Worked on user-interface, would improve it Sudoku project was to practice on C# by making a desktop application using some algorithm Idea: The b...TFS WorkItem Watcher: TFS WorkItem Watcher Version 1.0: This version contains the following new features: Added support to autodetect whether to start as a service or to start in console mode. The "-c" ...TfsPolicyPack: TfsPolicyPack 0.1: This is the first release of the TfsPolicyPack. This release includes the following policies: CustomRegexPathPolicythinktecture Starter STS (Community Edition): StarterSTS v1.1 CTP: Added ActAs / identity delegation support.TPager: TPager-20100524: TPager 2010-05-24 releaseTrance Layer: TranceLayer Transformer: Transformer is a Beta version 2, morphing from "Digger" to "Transformer" release cycle. It is intended to be used as a demonstration of muscles wh...TweetSharp: TweetSharp v1.0.0.0: Changes in v1.0.0Added 100% public code comments Bug fixes based on feedback from the Release Candidate Changes to handle Twitter schema additi...VCC: Latest build, v2.1.30524.0: Automatic drop of latest buildWCF Client Generator: Version 0.9.2.33468: Version 0.9.2.33468 Fixed: Nested enum types names are not handled correctly. Can't close Visual Studio if generated files are open when the code...Word 2007 Redaction Tool: Version 1.2: A minor update to the Word 2007 Redaction Tool. This version can be installed directly over any existing version. Updates to Version 1.2Fixed bugs:...xPollinate - Windows Live Writer Cross Post Plugin: 1.0.0.5 for WLW 14.0.8117.416: This version works with WLW 14.0.8117.416. This release includes a fix to enable publishing posts that have been opened directly from a blog, but ...Yet another developer blog - Examples: jQuery Autocomplete in ASP.NET MVC: This sample application shows how to use jQuery Autocomplete plugin in ASP.NET MVC. This application is accompanied by the following entry on Yet a...Most Popular ProjectsRawrWBFS ManagerAJAX Control ToolkitMicrosoft SQL Server Product Samples: DatabaseSilverlight ToolkitWindows Presentation Foundation (WPF)patterns & practices – Enterprise LibraryMicrosoft SQL Server Community & SamplesPHPExcelASP.NETMost Active Projectspatterns & practices – Enterprise LibraryRawrpatterns & practices: Windows Azure Security GuidanceSqlServerExtensionsGMap.NET - Great Maps for Windows Forms & PresentationMono.AddinsCaliburn: An Application Framework for WPF and SilverlightBlogEngine.NETIonics Isapi Rewrite FilterSQL Server PowerShell Extensions

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  • tableView:didSelectRowAtIndexPath: calls TTNavigator openURLAction:applyAnimated: — UITabBar and na

    - by vikingosegundo
    I have an existing iphone project with a UITabBar. Now I need styled text and in-text links to other ViewControllers in my app. I am trying to integrate TTStyledTextLabel. I have a FirstViewController:UITabelViewController with this tableView:didSelectRowAtIndexPath: - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath { NSString *url; if ([self.filteredQuestions count]>0) { url = [NSString stringWithFormat:@"%@%d", @"tt://question/", [[self.filteredQuestions objectAtIndex:indexPath.row] id]]; [[TTNavigator navigator] openURLAction:[[TTURLAction actionWithURLPath: url] applyAnimated:YES]]; } else { Question * q = [self.questions objectAtIndex:indexPath.row] ; url = [NSString stringWithFormat:@"%@%d", @"tt://question/", [q.id intValue]]; } TTDPRINT(@"%@", url); TTNavigator *navigator = [TTNavigator navigator]; [navigator openURLAction:[[TTURLAction actionWithURLPath: url] applyAnimated:YES]]; } My mapping looks like this: TTNavigator* navigator = [TTNavigator navigator]; navigator.window = window; navigator.supportsShakeToReload = YES; TTURLMap* map = navigator.URLMap; [map from:@"*" toViewController:[TTWebController class]]; [map from:@"tt://question/(initWithQID:)" toViewController:[QuestionDetailViewController class]]; and my QuestionDetailViewController: @interface QuestionDetailViewController : UIViewController <UIScrollViewDelegate , QuestionDetailViewProtocol> { Question *question; } @property(nonatomic,retain) Question *question; -(id) initWithQID:(NSString *)qid; -(void) goBack:(id)sender; @end When I hit a cell, q QuestionDetailViewController will be called — but the navigationBar wont @implementation QuestionDetailViewController @synthesize question; -(id) initWithQID:(NSString *)qid { if (self = [super initWithNibName:@"QuestionDetailViewController" bundle:nil]) { //; TTDPRINT(@"%@", qid); NSManagedObjectContext *managedObjectContext = [(domainAppDelegate*)[[UIApplication sharedApplication] delegate] managedObjectContext]; NSPredicate *predicate =[NSPredicate predicateWithFormat:@"id == %@", qid]; NSEntityDescription *entity = [NSEntityDescription entityForName:@"Question" inManagedObjectContext:managedObjectContext]; NSFetchRequest *request = [[NSFetchRequest alloc] init]; [request setEntity:entity]; [request setPredicate:predicate]; NSError *error = nil; NSArray *array = [managedObjectContext executeFetchRequest:request error:&error]; if (error==nil && [array count]>0 ) { self.question = [array objectAtIndex:0]; } else { TTDPRINT(@"error: %@", array); } } return self; } - (void)viewDidLoad { [super viewDidLoad]; [TTStyleSheet setGlobalStyleSheet:[[[TextTestStyleSheet alloc] init] autorelease]]; [self.navigationController.navigationBar setTranslucent:YES]; NSArray *includedLinks = [self.question.answer.text vs_extractExternalLinks]; NSMutableDictionary *linksToTT = [[NSMutableDictionary alloc] init]; for (NSArray *a in includedLinks) { NSString *s = [a objectAtIndex:3]; if ([s hasPrefix:@"/answer/"] || [s hasPrefix:@"http://domain.com/answer/"] || [s hasPrefix:@"http://www.domain.com/answer/"]) { NSString *ttAdress = @"tt://question/"; NSArray *adressComps = [s pathComponents]; for (NSString *s in adressComps) { if ([s isEqualToString:@"qid"]) { ttAdress = [ttAdress stringByAppendingString:[adressComps objectAtIndex:[adressComps indexOfObject:s]+1]]; } } [linksToTT setObject:ttAdress forKey:s]; } } for (NSString *k in [linksToTT allKeys]) { self.question.answer.text = [self.question.answer.text stringByReplacingOccurrencesOfString:k withString: [linksToTT objectForKey:k]]; } TTStyledTextLabel *answerText = [[[TTStyledTextLabel alloc] initWithFrame:CGRectMake(0, 0, 320, 700)] autorelease]; if (![[self.question.answer.text stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceCharacterSet]] hasPrefix:@"<div"]) { self.question.answer.text = [NSString stringWithFormat:@"%<div>%@</div>", self.question.answer.text]; } NSString * s = [NSString stringWithFormat:@"<div class=\"header\">%@</div>\n%@",self.question.title ,self.question.answer.text]; answerText.text = [TTStyledText textFromXHTML:s lineBreaks:YES URLs:YES]; answerText.contentInset = UIEdgeInsetsMake(20, 15, 20, 15); [answerText sizeToFit]; [self.navigationController setNavigationBarHidden:NO animated:YES]; [self.view addSubview:answerText]; [(UIScrollView *)self.view setContentSize:answerText.frame.size]; self.view.backgroundColor = [UIColor whiteColor]; [linksToTT release]; } ....... @end This works quite nice, as soon as a cell is touched, a QuestionDetailViewController is called and pushed — but the tabBar will disappear, and the navigationItem — I set it like this: self.navigationItem.title =@"back to first screen"; — won't be shown. And it just appears without animation. But if I press a link inside the TTStyledTextLabel the animation works, the navigationItem will be shown. How can I make the animation, the navigationItem and the tabBar be shown?

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  • IE6 + IE7 CSS problem with overflow hidden

    - by googletorp
    So I have created a slider for a homepage, that slides some images with a title and teaser text using jQuery. Everything works fine, and I went to check IE and found that IE 6 and 7 kills my slider css completely. I can't figure out why, but for some reason I can't hide the non active slides with overflow: hidden; I've tried tweaking the css back and forth, but haven't been able to figure out what's causing the problem. I've recreated the problem in a more isolated html page. <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="da" lang="da" dir="ltr"> <head> <style> body { width: 900px; } .column-1 { width: 500px; float: left; } .column-2 { width: 200px; float: left; } .column-3 { width: 200px; float: left; } h4 { font-size: 16px; margin: 0 0 5px; } p { margin: 5px 0; } ul { margin: 0; padding: 0; width: 2000px; left: -499px; overflow: hidden; position: relative; } li { list-style: none; display: block; float: left; } .item-list { overflow: hidden; width: 499px; } img { display: block; } .infobox { background: black; padding: 10px 13px; margin-top: -74px; height: 54px; width: 473px; color: white; position: absolute; } .first { display: block; } </style> </head> <body> <div class="column-1"> <div class="item-list clearfix"> <ul> <li class="first"> <div class="node-slide"> <img src="http://www.hanselman.com/blog/content/binary/lolcats-funny-pictures-leroy-jenkins.jpg" /> <div class="infobox"> <h4>Title 1</h4> <p>Teaser 1</p> </div> </div> </li> <li> <div class="slide"> <img src="http://www.hanselman.com/blog/content/binary/lolcats-funny-pictures-leroy-jenkins.jpg" /> <div class="infobox"> <h4>Title 2</h4> <p>Teaser 2</p> </div> </div> </li> <li class="last"> <div class="slide"> <img src="http://www.hanselman.com/blog/content/binary/lolcats-funny-pictures-leroy-jenkins.jpg" /> <div class="infobox"> <h4>Title 3</h4> <p>Teaser 3</p> </div> </div> </li> </ul> </div> </div> <div class="column-2"> ... </div> <div class="column-3"> ... </div> </body> </html> Any ideas as to why IE wont hide images outside div with class item-list?

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  • Flex actionscript extending DateChooser, events in calendar

    - by Nemi
    ExtendedDateChooser class is great solution for simple event calendar used in my flex project. You can find it if google for "Adding-Calendar-Event-Entries-to-the-Flex-DateChooser-Component" with a link of updated solution in comments of the post. I posted files below. Problem in that calendar is text events are missing when month is changed. Is there updateCompleted event in Actionscript just like in dateChooser flex component? Like in: <mx:DateChooser id="dc" updateCompleted="goThroughDateChooserCalendarLayoutAndSetEventsInCalendarAgain()"</mx> When scroll event is added, which is available in Actionscript, it gets dispatched but after updateDisplayList() is fired, so didn't manage to answer, why are calendar events erased? Any suggestions, what to add in code, maybe override some function? ExtendedDateChooserClass.mxml <?xml version='1.0' encoding="utf-8"?> <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" xmlns:mycomp="cyberslingers.controls.*" layout="absolute" creationComplete="init()"> <mx:Script> <![CDATA[ import cyberslingers.controls.ExtendedDateChooser; import mx.rpc.events.ResultEvent; import mx.rpc.events.FaultEvent; import mx.controls.Alert; public var mycal:ExtendedDateChooser = new ExtendedDateChooser(); // collection to hold date, data and label [Bindable] public var dateCollection:XMLList = new XMLList(); private function init():void { eventList.send(); } private function readCollection(event:ResultEvent):void { dateCollection = event.result.calendarevent; //Position and size the calendar mycal.width = 400; mycal.height = 400; //Add the data from the XML file to the calendar mycal.dateCollection = dateCollection; //Add the calendar to the canvas this.addChild(mycal); } private function readFaultHandler(event:FaultEvent):void { Alert.show(event.fault.message, "Could not load data"); } ]]> </mx:Script> <mx:HTTPService id="eventList" url="data.xml" resultFormat="e4x" result="readCollection(event);" fault="readFaultHandler(event);"/> </mx:Application> ExtendedDateChooser.as package cyberslingers.controls { import flash.events.Event; import flash.events.TextEvent; import mx.collections.ArrayCollection; import mx.controls.Alert; import mx.controls.CalendarLayout; import mx.controls.DateChooser; import mx.core.UITextField; import mx.events.FlexEvent; public class ExtendedDateChooser extends DateChooser { public function ExtendedDateChooser() { super(); this.addEventListener(TextEvent.LINK, linkHandler); this.addEventListener(FlexEvent.CREATION_COMPLETE, addEvents); } //datasource public var dateCollection:XMLList = new XMLList(); //-------------------------------------- // Add events //-------------------------------------- /** * Loop through calendar control and add event links * @param e */ private function addEvents(e:Event):void { // loop through all the calendar children for(var i:uint = 0; i < this.numChildren; i++) { var calendarObj:Object = this.getChildAt(i); // find the CalendarLayout object if(calendarObj.hasOwnProperty("className")) { if(calendarObj.className == "CalendarLayout") { var cal:CalendarLayout = CalendarLayout(calendarObj); // loop through all the CalendarLayout children for(var j:uint = 0; j < cal.numChildren; j++) { var dateLabel:Object = cal.getChildAt(j); // find all UITextFields if(dateLabel.hasOwnProperty("text")) { var day:UITextField = UITextField(dateLabel); var dayHTML:String = day.text; day.selectable = true; day.wordWrap = true; day.multiline = true; day.styleName = "EventLabel"; //TODO: passing date as string is not ideal, tough to validate //Make sure to add one to month since it is zero based var eventArray:Array = dateHelper((this.displayedMonth+1) + "/" + dateLabel.text + "/" + this.displayedYear); if(eventArray.length > 0) { for(var k:uint = 0; k < eventArray.length; k++) { dayHTML += "<br><A HREF='event:" + eventArray[k].data + "' TARGET=''>" + eventArray[k].label + "</A>"; } day.htmlText = dayHTML; } } } } } } } //-------------------------------------- // Events //-------------------------------------- /** * Handle clicking text link * @param e */ private function linkHandler(event:TextEvent):void { // What do we want to do when user clicks an entry? Alert.show("selected: " + event.text); } //-------------------------------------- // Helpers //-------------------------------------- /** * Build array of events for current date * @param string - current date * */ private function dateHelper(renderedDate:String):Array { var result:Array = new Array(); for(var i:uint = 0; i < dateCollection.length(); i++) { if(dateCollection[i].date == renderedDate) { result.push(dateCollection[i]); } } return result; } } } data.xml <?xml version="1.0" encoding="utf-8"?> <rss> <calendarevent> <date>8/22/2009</date> <data>This is a test 1</data> <label>Stephens Test 1</label> </calendarevent> <calendarevent> <date>8/23/2009</date> <data>This is a test 2</data> <label>Stephens Test 2</label> </calendarevent> </rss>

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  • VS 2012 Code Review &ndash; Before Check In OR After Check In?

    - by Tarun Arora
    “Is Code Review Important and Effective?” There is a consensus across the industry that code review is an effective and practical way to collar code inconsistency and possible defects early in the software development life cycle. Among others some of the advantages of code reviews are, Bugs are found faster Forces developers to write readable code (code that can be read without explanation or introduction!) Optimization methods/tricks/productive programs spread faster Programmers as specialists "evolve" faster It's fun “Code review is systematic examination (often known as peer review) of computer source code. It is intended to find and fix mistakes overlooked in the initial development phase, improving both the overall quality of software and the developers' skills. Reviews are done in various forms such as pair programming, informal walkthroughs, and formal inspections.” Wikipedia No where does the definition mention whether its better to review code before the code has been committed to version control or after the commit has been performed. No matter which side you favour, Visual Studio 2012 allows you to request for a code review both before check in and also request for a review after check in. Let’s weigh the pros and cons of the approaches independently. Code Review Before Check In or Code Review After Check In? Approach 1 – Code Review before Check in Developer completes the code and feels the code quality is appropriate for check in to TFS. The developer raises a code review request to have a second pair of eyes validate if the code abides to the recommended best practices, will not result in any defects due to common coding mistakes and whether any optimizations can be made to improve the code quality.                                             Image 1 – code review before check in Pros Everything that gets committed to source control is reviewed. Minimizes the chances of smelly code making its way into the code base. Decreases the cost of fixing bugs, remember, the earlier you find them, the lesser the pain in fixing them. Cons Development Code Freeze – Since the changes aren’t in the source control yet. Further development can only be done off-line. The changes have not been through a CI build, hard to say whether the code abides to all build quality standards. Inconsistent! Cumbersome to track the actual code review process.  Not every change to the code base is worth reviewing, a lot of effort is invested for very little gain. Approach 2 – Code Review after Check in Developer checks in, random code reviews are performed on the checked in code.                                                      Image 2 – Code review after check in Pros The code has already passed the CI build and run through any code analysis plug ins you may have running on the build server. Instruct the developer to ensure ZERO fx cop, style cop and static code analysis before check in. Code is cleaner and smell free even before the code review. No Offline development, developers can continue to develop against the source control. Cons Bad code can easily make its way into the code base. Since the review take place much later in the cycle, the cost of fixing issues can prove to be much higher. Approach 3 – Hybrid Approach The community advocates a more hybrid approach, a blend of tooling and human accountability quotient.                                                               Image 3 – Hybrid Approach 1. Code review high impact check ins. It is not possible to review everything, by setting up code review check in policies you can end up slowing your team. More over, the code that you are reviewing before check in hasn't even been through a green CI build either. 2. Tooling. Let the tooling work for you. By running static analysis, fx cop, style cop and other plug ins on the build agent, you can identify the real issues that in my opinion can't possibly be identified using human reviews. Configure the tooling to report back top 10 issues every day. Mandate the manual code review of individuals who keep making it to this list of shame more often. 3. During Merge. I would prefer eliminating some of the other code issues during merge from Main branch to the release branch. In a scrum project this is still easier because cheery picking the merges is a possibility and the size of code being reviewed is still limited. Let the tooling work for you, if some one breaks the CI build often, put them on a gated check in build course until you see improvement. If some one appears on the top 10 list of shame generated via the build then ensure that all their code is reviewed till you see improvement. At the end of the day, the goal is to ensure that the code being delivered is top quality. By enforcing a code review before any check in, you force the developer to work offline or stay put till the review is complete. What do the experts say? So I asked a few expects what they thought of “Code Review quality gate before Checking in code?" Terje Sandstrom | Microsoft ALM MVP You mean a review quality gate BEFORE checking in code????? That would mean a lot of code staying either local or in shelvesets, and not even been through a CI build, and a green CI build being the main criteria for going further, f.e. to the review state. I would not like code laying around with no checkin’s. Having a requirement that code is checked in small pieces, 4-8 hours work max, and AT LEAST daily checkins, a manual code review comes second down the lane. I would expect review quality gates to happen before merging back to main, or before merging to release.  But that would all be on checked-in code.  Branching is absolutely one way to ease the pain.   Another way we are using is automatic quality builds, running metrics, coverage, static code analysis.  Unfortunately it takes some time, would be great to be on CI’s – but…., so it’s done scheduled every night. Based on this we get, among other stuff,  top 10 lists of suspicious code, which is then subjected to reviews.  If a person seems to be very popular on these top 10 lists, we subject every check in from that person to a review for a period. That normally helps.   None of the clients I have can afford to have every checkin reviewed, so we need to find ways around it. I don’t disagree with the nicety of having all the code reviewed, but I find it hard to find those resources in today’s enterprises. David V. Corbin | Visual Studio ALM Ranger I tend to agree with both sides. I hate having code that is not checked in, but at the same time hate having “bad” code in the repository. I have found that branching is one approach to solving this dilemma. Code is checked into the private/feature branch before the review, but is not merged over to the “official” branch until after the review. I advocate both, depending on circumstance (especially team dynamics)   - The “pre-checkin” is usually for elements that may impact the project as a whole. Think of it as another “gate” along with passing unit tests. - The “post-checkin” may very well not be at the changeset level, but correlates to a review at the “user story” level.   Again, this depends on team dynamics in play…. Robert MacLean | Microsoft ALM MVP I do not think there is no right answer for the industry as a whole. In short the question is why do you do reviews? Your question implies risk mitigation, so in low risk areas you can get away with it after check in while in high risk you need to do it before check in. An example is those new to a team or juniors need it much earlier (maybe that is before checkin, maybe that is soon after) than seniors who have shipped twenty sprints on the team. Abhimanyu Singhal | Visual Studio ALM Ranger Depends on per scenario basis. We recommend post check-in reviews when: 1. We don't want to block other checks and processes on manual code reviews. Manual reviews take time, and some pieces may not require manual reviews at all. 2. We need to trace all changes and track history. 3. We have a code promotion strategy/process in place. For risk mitigation, post checkin code can be promoted to Accepted branches. Or can be rejected. Pre Checkin Reviews are used when 1. There is a high risk factor associated 2. Reviewers are generally (most of times) have immediate availability. 3. Team does not have strict tracking needs. Simply speaking, no single process fits all scenarios. You need to select what works best for your team/project. Thomas Schissler | Visual Studio ALM Ranger This is an interesting discussion, I’m right now discussing details about executing code reviews with my teams. I see and understand the aspects you brought in, but there is another side as well, I’d like to point out. 1.) If you do reviews per check in this is not very practical as a hard rule because this will disturb the flow of the team very often or it will lead to reduce the checkin frequency of the devs which I would not accept. 2.) If you do later reviews, for example if you review PBIs, it is not easy to find out which code you should review. Either you review all changesets associate with the PBI, but then you might review code which has been changed with a later checkin and the dev maybe has already fixed the issue. Or you review the diff of the latest changeset of the PBI with the first but then you might also review changes of other PBIs. Jakob Leander | Sr. Director, Avanade In my experience, manual code review: 1. Does not get done and at the very least does not get redone after changes (regardless of intentions at start of project) 2. When a project actually do it, they often do not do it right away = errors pile up 3. Requires a lot of time discussing/defining the standard and for the team to learn it However code review is very important since e.g. even small memory leaks in a high volume web solution have big consequences In the last years I have advocated following approach for code review - Architects up front do “at least one best practice example” of each type of component and tell the team. Copy from this one. This should include error handling, logging, security etc. - Dev lead on project continuously browse code to validate that the best practices are used. Especially that patterns etc. are not broken. You can do this formally after each sprint/iteration if you want. Once this is validated it is unlikely to “go bad” even during later code changes Agree with customer to rely on static code analysis from Visual Studio as the one and only coding standard. This has HUUGE benefits - You can easily tweak to reach the level you desire together with customer - It is easy to measure for both developers/management - It is 100% consistent across code base - It gets validated all the time so you never end up getting hammered by a customer review in the end - It is easy to tell the developer that you do not want code back unless it has zero errors = minimize communication You need to track this at least during nightly builds and make sure team sees total # issues. Do not allow #issues it to grow uncontrolled. On the project I run I require code analysis to have run on code before checkin (checkin rule). This means -  You have to have clean compile (or CA wont run) so this is extra benefit = very few broken builds - You can change a few of the rules to compile as errors instead of warnings. I often do this for “missing dispose” issues which you REALLY do not want in your app Tip: Place your custom CA rules files as part of solution. That  way it works when you do branching etc. (path to CA file is relative in VS) Some may argue that CA is not as good as manual inspection. But since manual inspection in reality suffers from the 3 issues in start it is IMO a MUCH better (and much cheaper) approach from helicopter perspective Tirthankar Dutta | Director, Avanade I think code review should be run both before and after check ins. There are some code metrics that are meant to be run on the entire codebase … Also, especially on multi-site projects, one should strive to architect in a way that lets men manage the framework while boys write the repetitive code… scales very well with the need to review less by containment and imposing architectural restrictions to emphasise the design. Bruno Capuano | Microsoft ALM MVP For code reviews (means peer reviews) in distributed team I use http://www.vsanywhere.com/default.aspx  David Jobling | Global Sr. Director, Avanade Peer review is the only way to scale and its a great practice for all in the team to learn to perform and accept. In my experience you soon learn who's code to watch more than others and tune the attention. Mikkel Toudal Kristiansen | Manager, Avanade If you have several branches in your code base, you will need to merge often. This requires manual merging, when a file has been changed in both branches. It offers a good opportunity to actually review to changed code. So my advice is: Merging between branches should be done as often as possible, it should be done by a senior developer, and he/she should perform a full code review of the code being merged. As for detecting architectural smells and code smells creeping into the code base, one really good third party tools exist: Ndepend (http://www.ndepend.com/, for static code analysis of the current state of the code base). You could also consider adding StyleCop to the solution. Jesse Houwing | Visual Studio ALM Ranger I gave a presentation on this subject on the TechDays conference in NL last year. See my presentation and slides here (talk in Dutch, but English presentation): http://blog.jessehouwing.nl/2012/03/did-you-miss-my-techdaysnl-talk-on-code.html  I’d like to add a few more points: - Before/After checking is mostly a trust issue. If you have a team that does diligent peer reviews and regularly talk/sit together or peer review, there’s no need to enforce a before-checkin policy. The peer peer-programming and regular feedback during development can take care of most of the review requirements as long as the team isn’t under stress. - Under stress, enforce pre-checkin reviews, it might sound strange, if you’re already under time or budgetary constraints, but it is under such conditions most real issues start to be created or pile up. - Use tools to catch most common errors, Code Analysis/FxCop was already mentioned. HP Fortify, Resharper, Coderush etc can help you there. There are also a lot of 3rd party rules you can add to Code Analysis. I’ve written a few myself (http://fccopcontrib.codeplex.com) and various teams from Microsoft have added their own rules (MSOCAF for SharePoint, WSSF for WCF). For common errors that keep cropping up, see if you can define a rule. It’s much easier. But more importantly make sure you have a good help page explaining *WHY* it's wrong. If you have small feature or developer branches/shelvesets, you might want to review pre-merge. It’s still better to do peer reviews and peer programming, but the most important thing is that bad quality code doesn’t make it into the important branch. So my philosophy: - Use tooling as much as possible. - Make sure the team understands the tooling and the importance of the things it flags. It’s too easy to just click suppress all to ignore the warnings. - Under stress, tighten process, it’s under stress that the problems of late reviews will really surface - Most importantly if you do reviews do them as early as possible, but never later than needed. In other words, pre-checkin/post checking doesn’t really matter, as long as the review is done before the code is released. It’ll just be much more expensive to fix any review outcomes the later you find them. --- I would love to hear what you think!

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  • Is Social Media The Vital Skill You Aren’t Tracking?

    - by HCM-Oracle
    By Mark Bennett - Originally featured in Talent Management Excellence The ever-increasing presence of the workforce on social media presents opportunities as well as risks for organizations. While on the one hand, we read about social media embarrassments happening to organizations, on the other we see that social media activities by workers and candidates can enhance a company’s brand and provide insight into what individuals are, or can become, influencers in the social media sphere. HR can play a key role in helping organizations make the most value out of the activities and presence of workers and candidates, while at the same time also helping to manage the risks that come with the permanence and viral nature of social media. What is Missing from Understanding Our Workforce? “If only HP knew what HP knows, we would be three-times more productive.”  Lew Platt, Former Chairman, President, CEO, Hewlett-Packard  What Lew Platt recognized was that organizations only have a partial understanding of what their workforce is capable of. This lack of understanding impacts the company in several negative ways: 1. A particular skill that the company needs to access in one part of the organization might exist somewhere else, but there is no record that the skill exists, so the need is unfulfilled. 2. As market conditions change rapidly, the company needs to know strategic options, but some options are missed entirely because the company doesn’t know that sufficient capability already exists to enable those options. 3. Employees may miss out on opportunities to demonstrate how their hidden skills could create new value to the company. Why don’t companies have that more complete picture of their workforce capabilities – that is, not know what they know? One very good explanation is that companies put most of their efforts into rating their workforce according to the jobs and roles they are filling today. This is the essence of two important talent management processes: recruiting and performance appraisals.  In recruiting, a set of requirements is put together for a job, either explicitly or indirectly through a job description. During the recruiting process, much of the attention is paid towards whether the candidate has the qualifications, the skills, the experience and the cultural fit to be successful in the role. This makes a lot of sense.  In the performance appraisal process, an employee is measured on how well they performed the functions of their role and in an effort to help the employee do even better next time, they are also measured on proficiency in the competencies that are deemed to be key in doing that job. Again, the logic is impeccable.  But in both these cases, two adages come to mind: 1. What gets measured is what gets managed. 2. You only see what you are looking for. In other words, the fact that the current roles the workforce are performing are the basis for measuring which capabilities the workforce has, makes them the only capabilities to be measured. What was initially meant to be a positive, i.e. identify what is needed to perform well and measure it, in order that it can be managed, comes with the unintended negative consequence of overshadowing the other capabilities the workforce has. This also comes with an employee engagement price, for the measurements and management of workforce capabilities is to typically focus on where the workforce comes up short. Again, it makes sense to do this, since improving a capability that appears to result in improved performance benefits, both the individual through improved performance ratings and the company through improved productivity. But this is based on the assumption that the capabilities identified and their required proficiencies are the only attributes of the individual that matter. Anything else the individual brings that results in high performance, while resulting in a desired performance outcome, often goes unrecognized or underappreciated at best. As social media begins to occupy a more important part in current and future roles in organizations, businesses must incorporate social media savvy and innovation into job descriptions and expectations. These new measures could provide insight into how well someone can use social media tools to influence communities and decision makers; keep abreast of trends in fast-moving industries; present a positive brand image for the organization around thought leadership, customer focus, social responsibility; and coordinate and collaborate with partners. These measures should demonstrate the “social capital” the individual has invested in and developed over time. Without this dimension, “short cut” methods may generate a narrow set of positive metrics that do not have real, long-lasting benefits to the organization. How Workforce Reputation Management Helps HR Harness Social Media With hundreds of petabytes of social media data flowing across Facebook, LinkedIn and Twitter, businesses are tapping technology solutions to effectively leverage social for HR. Workforce reputation management technology helps organizations discover, mobilize and retain talent by providing insight into the social reputation and influence of the workforce while also helping organizations monitor employee social media policy compliance and mitigate social media risk.  There are three major ways that workforce reputation management technology can play a strategic role to support HR: 1. Improve Awareness and Decisions on Talent Many organizations measure the skills and competencies that they know they need today, but are unaware of what other skills and competencies their workforce has that could be essential tomorrow. How about whether your workforce has the reputation and influence to make their skills and competencies more effective? Many organizations don’t have insight into the social media “reach” their workforce has, which is becoming more critical to business performance. These features help organizations, managers, and employees improve many talent processes and decision making, including the following: Hiring and Assignments. People and teams with higher reputations are considered more valuable and effective workers. Someone with high reputation who refers a candidate also can have high credibility as a source for hires.   Training and Development. Reputation trend analysis can impact program decisions regarding training offerings by showing how reputation and influence across the workforce changes in concert with training. Worker reputation impacts development plans and goal choices by helping the individual see which development efforts result in improved reputation and influence.   Finding Hidden Talent. Managers can discover hidden talent and skills amongst employees based on a combination of social profile information and social media reputation. Employees can improve their personal brand and accelerate their career development.  2. Talent Search and Discovery The right technology helps organizations find information on people that might otherwise be hidden. By leveraging access to candidate and worker social profiles as well as their social relationships, workforce reputation management provides companies with a more complete picture of what their knowledge, skills, and attributes are and what they can in turn access. This more complete information helps to find the right talent both outside the organization as well as the right, perhaps previously hidden talent, within the organization to fill roles and staff projects, particularly those roles and projects that are required in reaction to fast-changing opportunities and circumstances. 3. Reputation Brings Credibility Workforce reputation management technology provides a clearer picture of how candidates and workers are viewed by their peers and communities across a wide range of social reputation and influence metrics. This information is less subject to individual bias and can impact critical decision-making. Knowing the individual’s reputation and influence enables the organization to predict how well their capabilities and behaviors will have a positive effect on desired business outcomes. Many roles that have the highest impact on overall business performance are dependent on the individual’s influence and reputation. In addition, reputation and influence measures offer a very tangible source of feedback for workers, providing them with insight that helps them develop themselves and their careers and see the effectiveness of those efforts by tracking changes over time in their reputation and influence. The following are some examples of the different reputation and influence measures of the workforce that Workforce Reputation Management could gather and analyze: Generosity – How often the user reposts other’s posts. Influence – How often the user’s material is reposted by others.  Engagement – The ratio of recent posts with references (e.g. links to other posts) to the total number of posts.  Activity – How frequently the user posts. (e.g. number per day)  Impact – The size of the users’ social networks, which indicates their ability to reach unique followers, friends, or users.   Clout – The number of references and citations of the user’s material in others’ posts.  The Vital Ingredient of Workforce Reputation Management: Employee Participation “Nothing about me, without me.” Valerie Billingham, “Through the Patient’s Eyes”, Salzburg Seminar Session 356, 1998 Since data resides primarily in social media, a question arises: what manner is used to collect that data? While much of social media activity is publicly accessible (as many who wished otherwise have learned to their chagrin), the social norms of social media have developed to put some restrictions on what is acceptable behavior and by whom. Disregarding these norms risks a repercussion firestorm. One of the more recognized norms is that while individuals can follow and engage with other individual’s public social activity (e.g. Twitter updates) fairly freely, the more an organization does this unprompted and without getting permission from the individual beforehand, the more likely the organization risks a totally opposite outcome from the one desired. Instead, the organization must look for permission from the individual, which can be met with resistance. That resistance comes from not knowing how the information will be used, how it will be shared with others, and not receiving enough benefit in return for granting permission. As the quote above about patient concerns and rights succinctly states, no one likes not feeling in control of the information about themselves, or the uncertainty about where it will be used. This is well understood in consumer social media (i.e. permission-based marketing) and is applicable to workforce reputation management. However, asking permission leaves open the very real possibility that no one, or so few, will grant permission, resulting in a small set of data with little usefulness for the company. Connecting Individual Motivation to Organization Needs So what is it that makes an individual decide to grant an organization access to the data it wants? It is when the individual’s own motivations are in alignment with the organization’s objectives. In the case of workforce reputation management, when the individual is motivated by a desire for increased visibility and career growth opportunities to advertise their skills and level of influence and reputation, they are aligned with the organizations’ objectives; to fill resource needs or strategically build better awareness of what skills are present in the workforce, as well as levels of influence and reputation. Individuals can see the benefit of granting access permission to the company through multiple means. One is through simple social awareness; they begin to discover that peers who are getting more career opportunities are those who are signed up for workforce reputation management. Another is where companies take the message directly to the individual; we think you would benefit from signing up with our workforce reputation management solution. Another, more strategic approach is to make reputation management part of a larger Career Development effort by the company; providing a wide set of tools to help the workforce find ways to plan and take action to achieve their career aspirations in the organization. An effective mechanism, that facilitates connecting the visibility and career growth motivations of the workforce with the larger context of the organization’s business objectives, is to use game mechanics to help individuals transform their career goals into concrete, actionable steps, such as signing up for reputation management. This works in favor of companies looking to use workforce reputation because the workforce is more apt to see how it fits into achieving their overall career goals, as well as seeing how other participation brings additional benefits.  Once an individual has signed up with reputation management, not only have they made themselves more visible within the organization and increased their career growth opportunities, they have also enabled a tool that they can use to better understand how their actions and behaviors impact their influence and reputation. Since they will be able to see their reputation and influence measurements change over time, they will gain better insight into how reputation and influence impacts their effectiveness in a role, as well as how their behaviors and skill levels in turn affect their influence and reputation. This insight can trigger much more directed, and effective, efforts by the individual to improve their ability to perform at a higher level and become more productive. The increased sense of autonomy the individual experiences, in linking the insight they gain to the actions and behavior changes they make, greatly enhances their engagement with their role as well as their career prospects within the company. Workforce reputation management takes the wide range of disparate data about the workforce being produced across various social media platforms and transforms it into accessible, relevant, and actionable information that helps the organization achieve its desired business objectives. Social media holds untapped insights about your talent, brand and business, and workforce reputation management can help unlock them. Imagine - if you could find the hidden secrets of your businesses, how much more productive and efficient would your organization be? Mark Bennett is a Director of Product Strategy at Oracle. Mark focuses on setting the strategic vision and direction for tools that help organizations understand, shape, and leverage the capabilities of their workforce to achieve business objectives, as well as help individuals work effectively to achieve their goals and navigate their own growth. His combination of a deep technical background in software design and development, coupled with a broad knowledge of business challenges and thinking in today’s globalized, rapidly changing, technology accelerated economy, has enabled him to identify and incorporate key innovations that are central to Oracle Fusion’s unique value proposition. Mark has over the course of his career been in charge of the design, development, and strategy of Talent Management products and the design and development of cutting edge software that is better equipped to handle the increasingly complex demands of users while also remaining easy to use. Follow him @mpbennett

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  • Elusive race condition in Java

    - by nasufara
    I am creating a graphing calculator. In an attempt to squeeze some more performance out of it, I added some multithreaded to the line calculator. Essentially what my current implementation does is construct a thread-safe Queue of X values, then start however many threads it needs, each one calculating a point on the line using the queue to get its values, and then ordering the points using a HashMap when the calculations are done. This implementation works great, and that's not where my race condition is (merely some background info). In examining the performance results from this, I found that the HashMap is a performance bottleneck, since I do that synchronously on one thread. So I figured that ordering each point as its calculated would work best. I tried a PriorityQueue, but that was slower than the HashMap. I ended up creating an algorithm that essentially works like this: I construct a list of X values to calculate, like in my current algorithm. I then copy that list of values into another class, unimaginatively and temporarily named BlockingList, which is responsible for ordering the points as they are calculated. BlockingList contains a put() method, which takes in two BigDecimals as parameters, the first the X value, the second the calculated Y value. put() will only accept a value if the X value is the next one on the list to be accepted in the list of X values, and will block until another thread gives it the next excepted value. For example, since that can be confusing, say I have two threads, Thread-1 and Thread-2. Thread-2 gets the X value 10.0 from the values queue, and Thread-1 gets 9.0. However, Thread-1 completes its calculations first, and calls put() before Thread-2 does. Because BlockingList is expecting to get 10.0 first, and not 9.0, it will block on Thread-1 until Thread-2 finishes and calls put(). Once Thread-2 gives BlockingList 10.0, it notify()s all waiting threads, and expects 9.0 next. This continues until BlockingList gets all of its expected values. (I apologise if that was hard to follow, if you need more clarification, just ask.) As expected by the question title, there is a race condition in here. If I run it without any System.out.printlns, it will sometimes lock because of conflicting wait() and notifyAll()s, but if I put a println in, it will run great. A small implementation of this is included below, and exhibits the same behavior: import java.math.BigDecimal; import java.util.concurrent.ConcurrentLinkedQueue; public class Example { public static void main(String[] args) throws InterruptedException { // Various scaling values, determined based on the graph size // in the real implementation BigDecimal xMax = new BigDecimal(10); BigDecimal xStep = new BigDecimal(0.05); // Construct the values list, from -10 to 10 final ConcurrentLinkedQueue<BigDecimal> values = new ConcurrentLinkedQueue<BigDecimal>(); for (BigDecimal i = new BigDecimal(-10); i.compareTo(xMax) <= 0; i = i.add(xStep)) { values.add(i); } // Contains the calculated values final BlockingList list = new BlockingList(values); for (int i = 0; i < 4; i++) { new Thread() { public void run() { BigDecimal x; // Keep looping until there are no more values while ((x = values.poll()) != null) { PointPair pair = new PointPair(); pair.realX = x; try { list.put(pair); } catch (Exception ex) { ex.printStackTrace(); } } } }.start(); } } private static class PointPair { public BigDecimal realX; } private static class BlockingList { private final ConcurrentLinkedQueue<BigDecimal> _values; private final ConcurrentLinkedQueue<PointPair> _list = new ConcurrentLinkedQueue<PointPair>(); public BlockingList(ConcurrentLinkedQueue<BigDecimal> expectedValues) throws InterruptedException { // Copy the values into a new queue BigDecimal[] arr = expectedValues.toArray(new BigDecimal[0]); _values = new ConcurrentLinkedQueue<BigDecimal>(); for (BigDecimal dec : arr) { _values.add(dec); } } public void put(PointPair item) throws InterruptedException { while (item.realX.compareTo(_values.peek()) != 0) { synchronized (this) { // Block until someone enters the next desired value wait(); } } _list.add(item); _values.poll(); synchronized (this) { notifyAll(); } } } } My question is can anybody help me find the threading error? Thanks!

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  • Metro Walkthrough: Creating a Task List with a ListView and IndexedDB

    - by Stephen.Walther
    The goal of this blog entry is to describe how you can work with data in a Metro style application written with JavaScript. In particular, we create a super simple Task List application which enables you to create and delete tasks. Here’s a video which demonstrates how the Task List application works: In order to build this application, I had to take advantage of several features of the WinJS library and technologies including: IndexedDB – The Task List application stores data in an IndexedDB database. HTML5 Form Validation – The Task List application uses HTML5 validation to ensure that a required field has a value. ListView Control – The Task List application displays the tasks retrieved from the IndexedDB database in a WinJS ListView control. Creating the IndexedDB Database The Task List application stores all of its data in an IndexedDB database named TasksDB. This database is opened/created with the following code: var db; var req = window.msIndexedDB.open("TasksDB", 1); req.onerror = function () { console.log("Could not open database"); }; req.onupgradeneeded = function (evt) { var newDB = evt.target.result; newDB.createObjectStore("tasks", { keyPath: "id", autoIncrement:true }); }; The msIndexedDB.open() method accepts two parameters: the name of the database to open and the version of the database to open. If a database with a matching version already exists, then calling the msIndexedDB.open() method opens a connection to the existing database. If the database does not exist then the upgradeneeded event is raised. You handle the upgradeneeded event to create a new database. In the code above, the upgradeneeded event handler creates an object store named “tasks” (An object store roughly corresponds to a database table). When you add items to the tasks object store then each item gets an id property with an auto-incremented value automatically. The code above also includes an error event handler. If the IndexedDB database cannot be opened or created, for whatever reason, then an error message is written to the Visual Studio JavaScript Console window. Displaying a List of Tasks The TaskList application retrieves its list of tasks from the tasks object store, which we created above, and displays the list of tasks in a ListView control. Here is how the ListView control is declared: <div id="tasksListView" data-win-control="WinJS.UI.ListView" data-win-options="{ itemDataSource: TaskList.tasks.dataSource, itemTemplate: select('#taskTemplate'), tapBehavior: 'toggleSelect', selectionMode: 'multi', layout: { type: WinJS.UI.ListLayout } }"> </div> The ListView control is bound to the TaskList.tasks.dataSource data source. The TaskList.tasks.dataSource is created with the following code: // Create the data source var tasks = new WinJS.Binding.List(); // Open the database var db; var req = window.msIndexedDB.open("TasksDB", 1); req.onerror = function () { console.log("Could not open database"); }; req.onupgradeneeded = function (evt) { var newDB = evt.target.result; newDB.createObjectStore("tasks", { keyPath: "id", autoIncrement:true }); }; // Load the data source with data from the database req.onsuccess = function () { db = req.result; var tran = db.transaction("tasks"); tran.objectStore("tasks").openCursor().onsuccess = function(event) { var cursor = event.target.result; if (cursor) { tasks.dataSource.insertAtEnd(null, cursor.value); cursor.continue(); }; }; }; // Expose the data source and functions WinJS.Namespace.define("TaskList", { tasks: tasks }); Notice the success event handler. This handler is called when a database is successfully opened/created. In the code above, all of the items from the tasks object store are retrieved into a cursor and added to a WinJS.Binding.List object named tasks. Because the ListView control is bound to the WinJS.Binding.List object, copying the tasks from the object store into the WinJS.Binding.List object causes the tasks to appear in the ListView: Adding a New Task You add a new task in the Task List application by entering the title of a new task into an HTML form and clicking the Add button. Here’s the markup for creating the form: <form id="addTaskForm"> <input id="newTaskTitle" title="New Task" required /> <button>Add</button> </form> Notice that the INPUT element includes a required attribute. In a Metro application, you can take advantage of HTML5 Validation to validate form fields. If you don’t enter a value for the newTaskTitle field then the following validation error message is displayed: For a brief introduction to HTML5 validation, see my previous blog entry: http://stephenwalther.com/blog/archive/2012/03/13/html5-form-validation.aspx When you click the Add button, the form is submitted and the form submit event is raised. The following code is executed in the default.js file: // Handle Add Task document.getElementById("addTaskForm").addEventListener("submit", function (evt) { evt.preventDefault(); var newTaskTitle = document.getElementById("newTaskTitle"); TaskList.addTask({ title: newTaskTitle.value }); newTaskTitle.value = ""; }); The code above retrieves the title of the new task and calls the addTask() method in the tasks.js file. Here’s the code for the addTask() method which is responsible for actually adding the new task to the IndexedDB database: // Add a new task function addTask(taskToAdd) { var transaction = db.transaction("tasks", "readwrite"); var addRequest = transaction.objectStore("tasks").add(taskToAdd); addRequest.onsuccess = function (evt) { taskToAdd.id = evt.target.result; tasks.dataSource.insertAtEnd(null, taskToAdd); } } The code above does two things. First, it adds the new task to the tasks object store in the IndexedDB database. Second, it adds the new task to the data source bound to the ListView. The dataSource.insertAtEnd() method is called to add the new task to the data source so the new task will appear in the ListView (with a nice little animation). Deleting Existing Tasks The Task List application enables you to select one or more tasks by clicking or tapping on one or more tasks in the ListView. When you click the Delete button, the selected tasks are removed from both the IndexedDB database and the ListView. For example, in the following screenshot, two tasks are selected. The selected tasks appear with a teal background and a checkmark: When you click the Delete button, the following code in the default.js file is executed: // Handle Delete Tasks document.getElementById("btnDeleteTasks").addEventListener("click", function (evt) { tasksListView.winControl.selection.getItems().then(function(items) { items.forEach(function (item) { TaskList.deleteTask(item); }); }); }); The selected tasks are retrieved with the TaskList selection.getItem() method. In the code above, the deleteTask() method is called for each of the selected tasks. Here’s the code for the deleteTask() method: // Delete an existing task function deleteTask(listViewItem) { // Database key != ListView key var dbKey = listViewItem.data.id; var listViewKey = listViewItem.key; // Remove item from db and, if success, remove item from ListView var transaction = db.transaction("tasks", “readwrite”); var deleteRequest = transaction.objectStore("tasks").delete(dbKey); deleteRequest.onsuccess = function () { tasks.dataSource.remove(listViewKey); } } This code does two things: it deletes the existing task from the database and removes the existing task from the ListView. In both cases, the right task is removed by using the key associated with the task. However, the task key is different in the case of the database and in the case of the ListView. In the case of the database, the task key is the value of the task id property. In the case of the ListView, on the other hand, the task key is auto-generated by the ListView. When the task is removed from the ListView, an animation is used to collapse the tasks which appear above and below the task which was removed. The Complete Code Above, I did a lot of jumping around between different files in the application and I left out sections of code. For the sake of completeness, I want to include the entire code here: the default.html, default.js, and tasks.js files. Here are the contents of the default.html file. This file contains the UI for the Task List application: <!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>Task List</title> <!-- WinJS references --> <link href="//Microsoft.WinJS.0.6/css/ui-dark.css" rel="stylesheet"> <script src="//Microsoft.WinJS.0.6/js/base.js"></script> <script src="//Microsoft.WinJS.0.6/js/ui.js"></script> <!-- TaskList references --> <link href="/css/default.css" rel="stylesheet"> <script src="/js/default.js"></script> <script type="text/javascript" src="js/tasks.js"></script> <style type="text/css"> body { font-size: x-large; } form { display: inline; } #appContainer { margin: 20px; width: 600px; } .win-container { padding: 10px; } </style> </head> <body> <div> <!-- Templates --> <div id="taskTemplate" data-win-control="WinJS.Binding.Template"> <div> <span data-win-bind="innerText:title"></span> </div> </div> <h1>Super Task List</h1> <div id="appContainer"> <form id="addTaskForm"> <input id="newTaskTitle" title="New Task" required /> <button>Add</button> </form> <button id="btnDeleteTasks">Delete</button> <div id="tasksListView" data-win-control="WinJS.UI.ListView" data-win-options="{ itemDataSource: TaskList.tasks.dataSource, itemTemplate: select('#taskTemplate'), tapBehavior: 'toggleSelect', selectionMode: 'multi', layout: { type: WinJS.UI.ListLayout } }"> </div> </div> </div> </body> </html> Here is the code for the default.js file. This code wires up the Add Task form and Delete button: (function () { "use strict"; var app = WinJS.Application; app.onactivated = function (eventObject) { if (eventObject.detail.kind === Windows.ApplicationModel.Activation.ActivationKind.launch) { WinJS.UI.processAll().then(function () { // Get reference to Tasks ListView var tasksListView = document.getElementById("tasksListView"); // Handle Add Task document.getElementById("addTaskForm").addEventListener("submit", function (evt) { evt.preventDefault(); var newTaskTitle = document.getElementById("newTaskTitle"); TaskList.addTask({ title: newTaskTitle.value }); newTaskTitle.value = ""; }); // Handle Delete Tasks document.getElementById("btnDeleteTasks").addEventListener("click", function (evt) { tasksListView.winControl.selection.getItems().then(function(items) { items.forEach(function (item) { TaskList.deleteTask(item); }); }); }); }); } }; app.start(); })(); Finally, here is the tasks.js file. This file contains all of the code for opening, creating, and interacting with IndexedDB: (function () { "use strict"; // Create the data source var tasks = new WinJS.Binding.List(); // Open the database var db; var req = window.msIndexedDB.open("TasksDB", 1); req.onerror = function () { console.log("Could not open database"); }; req.onupgradeneeded = function (evt) { var newDB = evt.target.result; newDB.createObjectStore("tasks", { keyPath: "id", autoIncrement:true }); }; // Load the data source with data from the database req.onsuccess = function () { db = req.result; var tran = db.transaction("tasks"); tran.objectStore("tasks").openCursor().onsuccess = function(event) { var cursor = event.target.result; if (cursor) { tasks.dataSource.insertAtEnd(null, cursor.value); cursor.continue(); }; }; }; // Add a new task function addTask(taskToAdd) { var transaction = db.transaction("tasks", "readwrite"); var addRequest = transaction.objectStore("tasks").add(taskToAdd); addRequest.onsuccess = function (evt) { taskToAdd.id = evt.target.result; tasks.dataSource.insertAtEnd(null, taskToAdd); } } // Delete an existing task function deleteTask(listViewItem) { // Database key != ListView key var dbKey = listViewItem.data.id; var listViewKey = listViewItem.key; // Remove item from db and, if success, remove item from ListView var transaction = db.transaction("tasks", "readwrite"); var deleteRequest = transaction.objectStore("tasks").delete(dbKey); deleteRequest.onsuccess = function () { tasks.dataSource.remove(listViewKey); } } // Expose the data source and functions WinJS.Namespace.define("TaskList", { tasks: tasks, addTask: addTask, deleteTask: deleteTask }); })(); Summary I wrote this blog entry because I wanted to create a walkthrough of building a simple database-driven application. In particular, I wanted to demonstrate how you can use a ListView control with an IndexedDB database to store and retrieve database data.

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  • Stored Procedures with SSRS? Hmm… not so much

    - by Rob Farley
    Little Bobby Tables’ mother says you should always sanitise your data input. Except that I think she’s wrong. The SQL Injection aspect is for another post, where I’ll show you why I think SQL Injection is the same kind of attack as many other attacks, such as the old buffer overflow, but here I want to have a bit of a whinge about the way that some people sanitise data input, and even have a whinge about people who insist on using stored procedures for SSRS reports. Let me say that again, in case you missed it the first time: I want to have a whinge about people who insist on using stored procedures for SSRS reports. Let’s look at the data input sanitisation aspect – except that I’m going to call it ‘parameter validation’. I’m talking about code that looks like this: create procedure dbo.GetMonthSummaryPerSalesPerson(@eomdate datetime) as begin     /* First check that @eomdate is a valid date */     if isdate(@eomdate) != 1     begin         select 'Please enter a valid date' as ErrorMessage;         return;     end     /* Then check that time has passed since @eomdate */     if datediff(day,@eomdate,sysdatetime()) < 5     begin         select 'Sorry - EOM is not complete yet' as ErrorMessage;         return;     end         /* If those checks have succeeded, return the data */     select SalesPersonID, count(*) as NumSales, sum(TotalDue) as TotalSales     from Sales.SalesOrderHeader     where OrderDate >= dateadd(month,-1,@eomdate)         and OrderDate < @eomdate     group by SalesPersonID     order by SalesPersonID; end Notice that the code checks that a date has been entered. Seriously??!! This must only be to check for NULL values being passed in, because anything else would have to be a valid datetime to avoid an error. The other check is maybe fair enough, but I still don’t like it. The two problems I have with this stored procedure are the result sets and the small fact that the stored procedure even exists in the first place. But let’s consider the first one of these problems for starters. I’ll get to the second one in a moment. If you read Jes Borland (@grrl_geek)’s recent post about returning multiple result sets in Reporting Services, you’ll be aware that Reporting Services doesn’t support multiple results sets from a single query. And when it says ‘single query’, it includes ‘stored procedure call’. It’ll only handle the first result set that comes back. But that’s okay – we have RETURN statements, so our stored procedure will only ever return a single result set.  Sometimes that result set might contain a single field called ErrorMessage, but it’s still only one result set. Except that it’s not okay, because Reporting Services needs to know what fields to expect. Your report needs to hook into your fields, so SSRS needs to have a way to get that information. For stored procs, it uses an option called FMTONLY. When Reporting Services tries to figure out what fields are going to be returned by a query (or stored procedure call), it doesn’t want to have to run the whole thing. That could take ages. (Maybe it’s seen some of the stored procedures I’ve had to deal with over the years!) So it turns on FMTONLY before it makes the call (and turns it off again afterwards). FMTONLY is designed to be able to figure out the shape of the output, without actually running the contents. It’s very useful, you might think. set fmtonly on exec dbo.GetMonthSummaryPerSalesPerson '20030401'; set fmtonly off Without the FMTONLY lines, this stored procedure returns a result set that has three columns and fourteen rows. But with FMTONLY turned on, those rows don’t come back. But what I do get back hurts Reporting Services. It doesn’t run the stored procedure at all. It just looks for anything that could be returned and pushes out a result set in that shape. Despite the fact that I’ve made sure that the logic will only ever return a single result set, the FMTONLY option kills me by returning three of them. It would have been much better to push these checks down into the query itself. alter procedure dbo.GetMonthSummaryPerSalesPerson(@eomdate datetime) as begin     select SalesPersonID, count(*) as NumSales, sum(TotalDue) as TotalSales     from Sales.SalesOrderHeader     where     /* Make sure that @eomdate is valid */         isdate(@eomdate) = 1     /* And that it's sufficiently past */     and datediff(day,@eomdate,sysdatetime()) >= 5     /* And now use it in the filter as appropriate */     and OrderDate >= dateadd(month,-1,@eomdate)     and OrderDate < @eomdate     group by SalesPersonID     order by SalesPersonID; end Now if we run it with FMTONLY turned on, we get the single result set back. But let’s consider the execution plan when we pass in an invalid date. First let’s look at one that returns data. I’ve got a semi-useful index in place on OrderDate, which includes the SalesPersonID and TotalDue fields. It does the job, despite a hefty Sort operation. …compared to one that uses a future date: You might notice that the estimated costs are similar – the Index Seek is still 28%, the Sort is still 71%. But the size of that arrow coming out of the Index Seek is a whole bunch smaller. The coolest thing here is what’s going on with that Index Seek. Let’s look at some of the properties of it. Glance down it with me… Estimated CPU cost of 0.0005728, 387 estimated rows, estimated subtree cost of 0.0044385, ForceSeek false, Number of Executions 0. That’s right – it doesn’t run. So much for reading plans right-to-left... The key is the Filter on the left of it. It has a Startup Expression Predicate in it, which means that it doesn’t call anything further down the plan (to the right) if the predicate evaluates to false. Using this method, we can make sure that our stored procedure contains a single query, and therefore avoid any problems with multiple result sets. If we wanted, we could always use UNION ALL to make sure that we can return an appropriate error message. alter procedure dbo.GetMonthSummaryPerSalesPerson(@eomdate datetime) as begin     select SalesPersonID, count(*) as NumSales, sum(TotalDue) as TotalSales, /*Placeholder: */ '' as ErrorMessage     from Sales.SalesOrderHeader     where     /* Make sure that @eomdate is valid */         isdate(@eomdate) = 1     /* And that it's sufficiently past */     and datediff(day,@eomdate,sysdatetime()) >= 5     /* And now use it in the filter as appropriate */     and OrderDate >= dateadd(month,-1,@eomdate)     and OrderDate < @eomdate     group by SalesPersonID     /* Now include the error messages */     union all     select 0, 0, 0, 'Please enter a valid date' as ErrorMessage     where isdate(@eomdate) != 1     union all     select 0, 0, 0, 'Sorry - EOM is not complete yet' as ErrorMessage     where datediff(day,@eomdate,sysdatetime()) < 5     order by SalesPersonID; end But still I don’t like it, because it’s now a stored procedure with a single query. And I don’t like stored procedures that should be functions. That’s right – I think this should be a function, and SSRS should call the function. And I apologise to those of you who are now planning a bonfire for me. Guy Fawkes’ night has already passed this year, so I think you miss out. (And I’m not going to remind you about when the PASS Summit is in 2012.) create function dbo.GetMonthSummaryPerSalesPerson(@eomdate datetime) returns table as return (     select SalesPersonID, count(*) as NumSales, sum(TotalDue) as TotalSales, '' as ErrorMessage     from Sales.SalesOrderHeader     where     /* Make sure that @eomdate is valid */         isdate(@eomdate) = 1     /* And that it's sufficiently past */     and datediff(day,@eomdate,sysdatetime()) >= 5     /* And now use it in the filter as appropriate */     and OrderDate >= dateadd(month,-1,@eomdate)     and OrderDate < @eomdate     group by SalesPersonID     union all     select 0, 0, 0, 'Please enter a valid date' as ErrorMessage     where isdate(@eomdate) != 1     union all     select 0, 0, 0, 'Sorry - EOM is not complete yet' as ErrorMessage     where datediff(day,@eomdate,sysdatetime()) < 5 ); We’ve had to lose the ORDER BY – but that’s fine, as that’s a client thing anyway. We can have our reports leverage this stored query still, but we’re recognising that it’s a query, not a procedure. A procedure is designed to DO stuff, not just return data. We even get entries in sys.columns that confirm what the shape of the result set actually is, which makes sense, because a table-valued function is the right mechanism to return data. And we get so much more flexibility with this. If you haven’t seen the simplification stuff that I’ve preached on before, jump over to http://bit.ly/SimpleRob and watch the video of when I broke a microphone and nearly fell off the stage in Wales. You’ll see the impact of being able to have a simplifiable query. You can also read the procedural functions post I wrote recently, if you didn’t follow the link from a few paragraphs ago. So if we want the list of SalesPeople that made any kind of sales in a given month, we can do something like: select SalesPersonID from dbo.GetMonthSummaryPerSalesPerson(@eomonth) order by SalesPersonID; This doesn’t need to look up the TotalDue field, which makes a simpler plan. select * from dbo.GetMonthSummaryPerSalesPerson(@eomonth) where SalesPersonID is not null order by SalesPersonID; This one can avoid having to do the work on the rows that don’t have a SalesPersonID value, pushing the predicate into the Index Seek rather than filtering the results that come back to the report. If we had joins involved, we might see some of those being simplified out. We also get the ability to include query hints in individual reports. We shift from having a single-use stored procedure to having a reusable stored query – and isn’t that one of the main points of modularisation? Stored procedures in Reporting Services are just a bit limited for my liking. They’re useful in plenty of ways, but if you insist on using stored procedures all the time rather that queries that use functions – that’s rubbish. @rob_farley

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  • How to manage memory using classes in Objective-C?

    - by Flipper
    This is my first time creating an iPhone App and I am having difficulty with the memory management because I have never had to deal with it before. I have a UITableViewController and it all works fine until I try to scroll down in the simulator. It crashes saying that it cannot allocate that much memory. I have narrowed it down to where the crash is occurring: - (UITableViewCell *)tableView:(UITableView *)aTableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { // Dequeue or create a cell UITableViewCellStyle style = UITableViewCellStyleDefault; UITableViewCell *cell = [aTableView dequeueReusableCellWithIdentifier:@"BaseCell"]; if (!cell) cell = [[[UITableViewCell alloc] initWithStyle:style reuseIdentifier:@"BaseCell"] autorelease]; NSString* crayon; // Retrieve the crayon and its color if (aTableView == self.tableView) { crayon = [[[self.sectionArray objectAtIndex:indexPath.section] objectAtIndex:indexPath.row] getName]; } else { crayon = [FILTEREDKEYS objectAtIndex:indexPath.row]; } cell.textLabel.text = crayon; if (![crayon hasPrefix:@"White"]) cell.textLabel.textColor = [self.crayonColors objectForKey:crayon]; else cell.textLabel.textColor = [UIColor blackColor]; return cell; } Here is the getName method: - (NSString*)getName { return name; } name is defined as: @property (nonatomic, retain) NSString *name; Now sectionArray is an NSMutableArray with instances of a class that I created Term in it. Term has a method getName that returns a NSString*. The problem seems to be the part of where crayon is being set and getName is being called. I have tried adding autorelease, release, and other stuff like that but that just causes the entire app to crash before even launching. Also if I do: cell.textLabel.text = @"test"; //crayon; /*if (![crayon hasPrefix:@"White"]) cell.textLabel.textColor = [self.crayonColors objectForKey:crayon]; else cell.textLabel.textColor = [UIColor blackColor];*/ Then I get no error whatsoever and it all scrolls just fine. Thanks in advance for the help! Edit: Here is the full Log of when I try to run the app and the error it gives when it crashes: [Session started at 2010-12-29 04:23:38 -0500.] [Session started at 2010-12-29 04:23:44 -0500.] GNU gdb 6.3.50-20050815 (Apple version gdb-967) (Tue Jul 14 02:11:58 UTC 2009) Copyright 2004 Free Software Foundation, Inc. GDB is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain conditions. Type "show copying" to see the conditions. There is absolutely no warranty for GDB. Type "show warranty" for details. This GDB was configured as "i386-apple-darwin".sharedlibrary apply-load-rules all Attaching to process 1429. gdb-i386-apple-darwin(1430,0x778720) malloc: * mmap(size=1420296192) failed (error code=12) error: can't allocate region ** set a breakpoint in malloc_error_break to debug gdb stack crawl at point of internal error: [ 0 ] /Developer/Platforms/iPhoneSimulator.platform/Developer/usr/libexec/gdb/gdb-i386-apple-darwin (align_down+0x0) [0x1222d8] [ 1 ] /Developer/Platforms/iPhoneSimulator.platform/Developer/usr/libexec/gdb/gdb-i386-apple-darwin (xstrvprintf+0x0) [0x12336c] [ 2 ] /Developer/Platforms/iPhoneSimulator.platform/Developer/usr/libexec/gdb/gdb-i386-apple-darwin (xmalloc+0x28) [0x12358f] [ 3 ] /Developer/Platforms/iPhoneSimulator.platform/Developer/usr/libexec/gdb/gdb-i386-apple-darwin (dyld_info_read_raw_data+0x50) [0x1659af] [ 4 ] /Developer/Platforms/iPhoneSimulator.platform/Developer/usr/libexec/gdb/gdb-i386-apple-darwin (dyld_info_read+0x1bc) [0x168a58] [ 5 ] /Developer/Platforms/iPhoneSimulator.platform/Developer/usr/libexec/gdb/gdb-i386-apple-darwin (macosx_dyld_update+0xbf) [0x168c9c] [ 6 ] /Developer/Platforms/iPhoneSimulator.platform/Developer/usr/libexec/gdb/gdb-i386-apple-darwin (macosx_solib_add+0x36b) [0x169fcc] [ 7 ] /Developer/Platforms/iPhoneSimulator.platform/Developer/usr/libexec/gdb/gdb-i386-apple-darwin (macosx_child_attach+0x478) [0x17dd11] [ 8 ] /Developer/Platforms/iPhoneSimulator.platform/Developer/usr/libexec/gdb/gdb-i386-apple-darwin (attach_command+0x5d) [0x64ec5] [ 9 ] /Developer/Platforms/iPhoneSimulator.platform/Developer/usr/libexec/gdb/gdb-i386-apple-darwin (mi_cmd_target_attach+0x4c) [0x15dbd] [ 10 ] /Developer/Platforms/iPhoneSimulator.platform/Developer/usr/libexec/gdb/gdb-i386-apple-darwin (captured_mi_execute_command+0x16d) [0x17427] [ 11 ] /Developer/Platforms/iPhoneSimulator.platform/Developer/usr/libexec/gdb/gdb-i386-apple-darwin (catch_exception+0x41) [0x7a99a] [ 12 ] /Developer/Platforms/iPhoneSimulator.platform/Developer/usr/libexec/gdb/gdb-i386-apple-darwin (mi_execute_command+0xa9) [0x16f63] /SourceCache/gdb/gdb-967/src/gdb/utils.c:1144: internal-error: virtual memory exhausted: can't allocate 1420296192 bytes. A problem internal to GDB has been detected, further debugging may prove unreliable. The Debugger has exited with status 1.The Debugger has exited with status 1. Here is the backtrace that I get when I set the breakpoint for malloc_error_break: #0 0x0097a68c in objc_msgSend () #1 0x01785bef in -[UILabel setText:] () #2 0x000030e0 in -[TableViewController tableView:cellForRowAtIndexPath:] (self=0x421d760, _cmd=0x29cfad8, aTableView=0x4819600, indexPath=0x42190f0) at /Volumes/Main2/Enayet/TableViewController.m:99 #3 0x016cee0c in -[UITableView(UITableViewInternal) _createPreparedCellForGlobalRow:withIndexPath:] () #4 0x016c6a43 in -[UITableView(UITableViewInternal) _createPreparedCellForGlobalRow:] () #5 0x016d954f in -[UITableView(_UITableViewPrivate) _updateVisibleCellsNow] () #6 0x016d08ff in -[UITableView layoutSubviews] () #7 0x03e672b0 in -[CALayer layoutSublayers] () #8 0x03e6706f in CALayerLayoutIfNeeded () #9 0x03e668c6 in CA::Context::commit_transaction () #10 0x03e6653a in CA::Transaction::commit () #11 0x03e6e838 in CA::Transaction::observer_callback () #12 0x00b00252 in __CFRunLoopDoObservers () #13 0x00aff65f in CFRunLoopRunSpecific () #14 0x00afec48 in CFRunLoopRunInMode () #15 0x00156615 in GSEventRunModal () #16 0x001566da in GSEventRun () #17 0x01689faf in UIApplicationMain () #18 0x00002398 in main (argc=1, argv=0xbfffefb0) at /Volumes/Main2/Enayet/main.m:14

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  • Metro Walkthrough: Creating a Task List with a ListView and IndexedDB

    - by Stephen.Walther
    The goal of this blog entry is to describe how you can work with data in a Metro style application written with JavaScript. In particular, we create a super simple Task List application which enables you to create and delete tasks. Here’s a video which demonstrates how the Task List application works: In order to build this application, I had to take advantage of several features of the WinJS library and technologies including: IndexedDB – The Task List application stores data in an IndexedDB database. HTML5 Form Validation – The Task List application uses HTML5 validation to ensure that a required field has a value. ListView Control – The Task List application displays the tasks retrieved from the IndexedDB database in a WinJS ListView control. Creating the IndexedDB Database The Task List application stores all of its data in an IndexedDB database named TasksDB. This database is opened/created with the following code: var db; var req = window.msIndexedDB.open("TasksDB", 1); req.onerror = function () { console.log("Could not open database"); }; req.onupgradeneeded = function (evt) { var newDB = evt.target.result; newDB.createObjectStore("tasks", { keyPath: "id", autoIncrement:true }); }; The msIndexedDB.open() method accepts two parameters: the name of the database to open and the version of the database to open. If a database with a matching version already exists, then calling the msIndexedDB.open() method opens a connection to the existing database. If the database does not exist then the upgradeneeded event is raised. You handle the upgradeneeded event to create a new database. In the code above, the upgradeneeded event handler creates an object store named “tasks” (An object store roughly corresponds to a database table). When you add items to the tasks object store then each item gets an id property with an auto-incremented value automatically. The code above also includes an error event handler. If the IndexedDB database cannot be opened or created, for whatever reason, then an error message is written to the Visual Studio JavaScript Console window. Displaying a List of Tasks The TaskList application retrieves its list of tasks from the tasks object store, which we created above, and displays the list of tasks in a ListView control. Here is how the ListView control is declared: <div id="tasksListView" data-win-control="WinJS.UI.ListView" data-win-options="{ itemDataSource: TaskList.tasks.dataSource, itemTemplate: select('#taskTemplate'), tapBehavior: 'toggleSelect', selectionMode: 'multi', layout: { type: WinJS.UI.ListLayout } }"> </div> The ListView control is bound to the TaskList.tasks.dataSource data source. The TaskList.tasks.dataSource is created with the following code: // Create the data source var tasks = new WinJS.Binding.List(); // Open the database var db; var req = window.msIndexedDB.open("TasksDB", 1); req.onerror = function () { console.log("Could not open database"); }; req.onupgradeneeded = function (evt) { var newDB = evt.target.result; newDB.createObjectStore("tasks", { keyPath: "id", autoIncrement:true }); }; // Load the data source with data from the database req.onsuccess = function () { db = req.result; var tran = db.transaction("tasks"); tran.objectStore("tasks").openCursor().onsuccess = function(event) { var cursor = event.target.result; tasks.dataSource.beginEdits(); if (cursor) { tasks.dataSource.insertAtEnd(null, cursor.value); cursor.continue(); } else { tasks.dataSource.endEdits(); }; }; }; // Expose the data source and functions WinJS.Namespace.define("TaskList", { tasks: tasks }); Notice the success event handler. This handler is called when a database is successfully opened/created. In the code above, all of the items from the tasks object store are retrieved into a cursor and added to a WinJS.Binding.List object named tasks. Because the ListView control is bound to the WinJS.Binding.List object, copying the tasks from the object store into the WinJS.Binding.List object causes the tasks to appear in the ListView: Adding a New Task You add a new task in the Task List application by entering the title of a new task into an HTML form and clicking the Add button. Here’s the markup for creating the form: <form id="addTaskForm"> <input id="newTaskTitle" title="New Task" required /> <button>Add</button> </form> Notice that the INPUT element includes a required attribute. In a Metro application, you can take advantage of HTML5 Validation to validate form fields. If you don’t enter a value for the newTaskTitle field then the following validation error message is displayed: For a brief introduction to HTML5 validation, see my previous blog entry: http://stephenwalther.com/blog/archive/2012/03/13/html5-form-validation.aspx When you click the Add button, the form is submitted and the form submit event is raised. The following code is executed in the default.js file: // Handle Add Task document.getElementById("addTaskForm").addEventListener("submit", function (evt) { evt.preventDefault(); var newTaskTitle = document.getElementById("newTaskTitle"); TaskList.addTask({ title: newTaskTitle.value }); newTaskTitle.value = ""; }); The code above retrieves the title of the new task and calls the addTask() method in the tasks.js file. Here’s the code for the addTask() method which is responsible for actually adding the new task to the IndexedDB database: // Add a new task function addTask(taskToAdd) { var transaction = db.transaction("tasks", IDBTransaction.READ_WRITE); var addRequest = transaction.objectStore("tasks").add(taskToAdd); addRequest.onsuccess = function (evt) { taskToAdd.id = evt.target.result; tasks.dataSource.insertAtEnd(null, taskToAdd); } } The code above does two things. First, it adds the new task to the tasks object store in the IndexedDB database. Second, it adds the new task to the data source bound to the ListView. The dataSource.insertAtEnd() method is called to add the new task to the data source so the new task will appear in the ListView (with a nice little animation). Deleting Existing Tasks The Task List application enables you to select one or more tasks by clicking or tapping on one or more tasks in the ListView. When you click the Delete button, the selected tasks are removed from both the IndexedDB database and the ListView. For example, in the following screenshot, two tasks are selected. The selected tasks appear with a teal background and a checkmark: When you click the Delete button, the following code in the default.js file is executed: // Handle Delete Tasks document.getElementById("btnDeleteTasks").addEventListener("click", function (evt) { tasksListView.winControl.selection.getItems().then(function(items) { items.forEach(function (item) { TaskList.deleteTask(item); }); }); }); The selected tasks are retrieved with the TaskList selection.getItem() method. In the code above, the deleteTask() method is called for each of the selected tasks. Here’s the code for the deleteTask() method: // Delete an existing task function deleteTask(listViewItem) { // Database key != ListView key var dbKey = listViewItem.data.id; var listViewKey = listViewItem.key; // Remove item from db and, if success, remove item from ListView var transaction = db.transaction("tasks", IDBTransaction.READ_WRITE); var deleteRequest = transaction.objectStore("tasks").delete(dbKey); deleteRequest.onsuccess = function () { tasks.dataSource.remove(listViewKey); } } This code does two things: it deletes the existing task from the database and removes the existing task from the ListView. In both cases, the right task is removed by using the key associated with the task. However, the task key is different in the case of the database and in the case of the ListView. In the case of the database, the task key is the value of the task id property. In the case of the ListView, on the other hand, the task key is auto-generated by the ListView. When the task is removed from the ListView, an animation is used to collapse the tasks which appear above and below the task which was removed. The Complete Code Above, I did a lot of jumping around between different files in the application and I left out sections of code. For the sake of completeness, I want to include the entire code here: the default.html, default.js, and tasks.js files. Here are the contents of the default.html file. This file contains the UI for the Task List application: <!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>Task List</title> <!-- WinJS references --> <link href="//Microsoft.WinJS.0.6/css/ui-dark.css" rel="stylesheet"> <script src="//Microsoft.WinJS.0.6/js/base.js"></script> <script src="//Microsoft.WinJS.0.6/js/ui.js"></script> <!-- TaskList references --> <link href="/css/default.css" rel="stylesheet"> <script src="/js/default.js"></script> <script type="text/javascript" src="js/tasks.js"></script> <style type="text/css"> body { font-size: x-large; } form { display: inline; } #appContainer { margin: 20px; width: 600px; } .win-container { padding: 10px; } </style> </head> <body> <div> <!-- Templates --> <div id="taskTemplate" data-win-control="WinJS.Binding.Template"> <div> <span data-win-bind="innerText:title"></span> </div> </div> <h1>Super Task List</h1> <div id="appContainer"> <form id="addTaskForm"> <input id="newTaskTitle" title="New Task" required /> <button>Add</button> </form> <button id="btnDeleteTasks">Delete</button> <div id="tasksListView" data-win-control="WinJS.UI.ListView" data-win-options="{ itemDataSource: TaskList.tasks.dataSource, itemTemplate: select('#taskTemplate'), tapBehavior: 'toggleSelect', selectionMode: 'multi', layout: { type: WinJS.UI.ListLayout } }"> </div> </div> </div> </body> </html> Here is the code for the default.js file. This code wires up the Add Task form and Delete button: (function () { "use strict"; var app = WinJS.Application; app.onactivated = function (eventObject) { if (eventObject.detail.kind === Windows.ApplicationModel.Activation.ActivationKind.launch) { WinJS.UI.processAll().then(function () { // Get reference to Tasks ListView var tasksListView = document.getElementById("tasksListView"); // Handle Add Task document.getElementById("addTaskForm").addEventListener("submit", function (evt) { evt.preventDefault(); var newTaskTitle = document.getElementById("newTaskTitle"); TaskList.addTask({ title: newTaskTitle.value }); newTaskTitle.value = ""; }); // Handle Delete Tasks document.getElementById("btnDeleteTasks").addEventListener("click", function (evt) { tasksListView.winControl.selection.getItems().then(function(items) { items.forEach(function (item) { TaskList.deleteTask(item); }); }); }); }); } }; app.start(); })(); Finally, here is the tasks.js file. This file contains all of the code for opening, creating, and interacting with IndexedDB: (function () { "use strict"; // Create the data source var tasks = new WinJS.Binding.List(); // Open the database var db; var req = window.msIndexedDB.open("TasksDB", 1); req.onerror = function () { console.log("Could not open database"); }; req.onupgradeneeded = function (evt) { var newDB = evt.target.result; newDB.createObjectStore("tasks", { keyPath: "id", autoIncrement:true }); }; // Load the data source with data from the database req.onsuccess = function () { db = req.result; var tran = db.transaction("tasks"); tran.objectStore("tasks").openCursor().onsuccess = function(event) { var cursor = event.target.result; tasks.dataSource.beginEdits(); if (cursor) { tasks.dataSource.insertAtEnd(null, cursor.value); cursor.continue(); } else { tasks.dataSource.endEdits(); }; }; }; // Add a new task function addTask(taskToAdd) { var transaction = db.transaction("tasks", IDBTransaction.READ_WRITE); var addRequest = transaction.objectStore("tasks").add(taskToAdd); addRequest.onsuccess = function (evt) { taskToAdd.id = evt.target.result; tasks.dataSource.insertAtEnd(null, taskToAdd); } } // Delete an existing task function deleteTask(listViewItem) { // Database key != ListView key var dbKey = listViewItem.data.id; var listViewKey = listViewItem.key; // Remove item from db and, if success, remove item from ListView var transaction = db.transaction("tasks", IDBTransaction.READ_WRITE); var deleteRequest = transaction.objectStore("tasks").delete(dbKey); deleteRequest.onsuccess = function () { tasks.dataSource.remove(listViewKey); } } // Expose the data source and functions WinJS.Namespace.define("TaskList", { tasks: tasks, addTask: addTask, deleteTask: deleteTask }); })(); Summary I wrote this blog entry because I wanted to create a walkthrough of building a simple database-driven application. In particular, I wanted to demonstrate how you can use a ListView control with an IndexedDB database to store and retrieve database data.

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  • Flow-Design Cheat Sheet &ndash; Part I, Notation

    - by Ralf Westphal
    You want to avoid the pitfalls of object oriented design? Then this is the right place to start. Use Flow-Oriented Analysis (FOA) and –Design (FOD or just FD for Flow-Design) to understand a problem domain and design a software solution. Flow-Orientation as described here is related to Flow-Based Programming, Event-Based Programming, Business Process Modelling, and even Event-Driven Architectures. But even though “thinking in flows” is not new, I found it helpful to deviate from those precursors for several reasons. Some aim at too big systems for the average programmer, some are concerned with only asynchronous processing, some are even not very much concerned with programming at all. What I was looking for was a design method to help in software projects of any size, be they large or tiny, involing synchronous or asynchronous processing, being local or distributed, running on the web or on the desktop or on a smartphone. That´s why I took ideas from all of the above sources and some additional and came up with Event-Based Components which later got repositioned and renamed to Flow-Design. In the meantime this has generated some discussion (in the German developer community) and several teams have started to work with Flow-Design. Also I´ve conducted quite some trainings using Flow-Orientation for design. The results are very promising. Developers find it much easier to design software using Flow-Orientation than OOAD-based object orientation. Since Flow-Orientation is moving fast and is not covered completely by a single source like a book, demand has increased for at least an overview of the current state of its notation. This page is trying to answer this demand by briefly introducing/describing every notational element as well as their translation into C# source code. Take this as a cheat sheet to put next to your whiteboard when designing software. However, please do not expect any explanation as to the reasons behind Flow-Design elements. Details on why Flow-Design at all and why in this specific way you´ll find in the literature covering the topic. Here´s a resource page on Flow-Design/Event-Based Components, if you´re able to read German. Notation Connected Functional Units The basic element of any FOD are functional units (FU): Think of FUs as some kind of software code block processing data. For the moment forget about classes, methods, “components”, assemblies or whatever. See a FU as an abstract piece of code. Software then consists of just collaborating FUs. I´m using circles/ellipses to draw FUs. But if you like, use rectangles. Whatever suites your whiteboard needs best.   The purpose of FUs is to process input and produce output. FUs are transformational. However, FUs are not called and do not call other FUs. There is no dependency between FUs. Data just flows into a FU (input) and out of it (output). From where and where to is of no concern to a FU.   This way FUs can be concatenated in arbitrary ways:   Each FU can accept input from many sources and produce output for many sinks:   Flows Connected FUs form a flow with a start and an end. Data is entering a flow at a source, and it´s leaving it through a sink. Think of sources and sinks as special FUs which conntect wires to the environment of a network of FUs.   Wiring Details Data is flowing into/out of FUs through wires. This is to allude to electrical engineering which since long has been working with composable parts. Wires are attached to FUs usings pins. They are the entry/exit points for the data flowing along the wires. Input-/output pins currently need not be drawn explicitly. This is to keep designing on a whiteboard simple and quick.   Data flowing is of some type, so wires have a type attached to them. And pins have names. If there is only one input pin and output pin on a FU, though, you don´t need to mention them. The default is Process for a single input pin, and Result for a single output pin. But you´re free to give even single pins different names.   There is a shortcut in use to address a certain pin on a destination FU:   The type of the wire is put in parantheses for two reasons. 1. This way a “no-type” wire can be easily denoted, 2. this is a natural way to describe tuples of data.   To describe how much data is flowing, a star can be put next to the wire type:   Nesting – Boards and Parts If more than 5 to 10 FUs need to be put in a flow a FD starts to become hard to understand. To keep diagrams clutter free they can be nested. You can turn any FU into a flow: This leads to Flow-Designs with different levels of abstraction. A in the above illustration is a high level functional unit, A.1 and A.2 are lower level functional units. One of the purposes of Flow-Design is to be able to describe systems on different levels of abstraction and thus make it easier to understand them. Humans use abstraction/decomposition to get a grip on complexity. Flow-Design strives to support this and make levels of abstraction first class citizens for programming. You can read the above illustration like this: Functional units A.1 and A.2 detail what A is supposed to do. The whole of A´s responsibility is decomposed into smaller responsibilities A.1 and A.2. FU A thus does not do anything itself anymore! All A is responsible for is actually accomplished by the collaboration between A.1 and A.2. Since A now is not doing anything anymore except containing A.1 and A.2 functional units are devided into two categories: boards and parts. Boards are just containing other functional units; their sole responsibility is to wire them up. A is a board. Boards thus depend on the functional units nested within them. This dependency is not of a functional nature, though. Boards are not dependent on services provided by nested functional units. They are just concerned with their interface to be able to plug them together. Parts are the workhorses of flows. They contain the real domain logic. They actually transform input into output. However, they do not depend on other functional units. Please note the usage of source and sink in boards. They correspond to input-pins and output-pins of the board.   Implicit Dependencies Nesting functional units leads to a dependency tree. Boards depend on nested functional units, they are the inner nodes of the tree. Parts are independent, they are the leafs: Even though dependencies are the bane of software development, Flow-Design does not usually draw these dependencies. They are implicitly created by visually nesting functional units. And they are harmless. Boards are so simple in their functionality, they are little affected by changes in functional units they are depending on. But functional units are implicitly dependent on more than nested functional units. They are also dependent on the data types of the wires attached to them: This is also natural and thus does not need to be made explicit. And it pertains mainly to parts being dependent. Since boards don´t do anything with regard to a problem domain, they don´t care much about data types. Their infrastructural purpose just needs types of input/output-pins to match.   Explicit Dependencies You could say, Flow-Orientation is about tackling complexity at its root cause: that´s dependencies. “Natural” dependencies are depicted naturally, i.e. implicitly. And whereever possible dependencies are not even created. Functional units don´t know their collaborators within a flow. This is core to Flow-Orientation. That makes for high composability of functional units. A part is as independent of other functional units as a motor is from the rest of the car. And a board is as dependend on nested functional units as a motor is on a spark plug or a crank shaft. With Flow-Design software development moves closer to how hardware is constructed. Implicit dependencies are not enough, though. Sometimes explicit dependencies make designs easier – as counterintuitive this might sound. So FD notation needs a ways to denote explicit dependencies: Data flows along wires. But data does not flow along dependency relations. Instead dependency relations represent service calls. Functional unit C is depending on/calling services on functional unit S. If you want to be more specific, name the services next to the dependency relation: Although you should try to stay clear of explicit dependencies, they are fundamentally ok. See them as a way to add another dimension to a flow. Usually the functionality of the independent FU (“Customer repository” above) is orthogonal to the domain of the flow it is referenced by. If you like emphasize this by using different shapes for dependent and independent FUs like above. Such dependencies can be used to link in resources like databases or shared in-memory state. FUs can not only produce output but also can have side effects. A common pattern for using such explizit dependencies is to hook a GUI into a flow as the source and/or the sink of data: Which can be shortened to: Treat FUs others depend on as boards (with a special non-FD API the dependent part is connected to), but do not embed them in a flow in the diagram they are depended upon.   Attributes of Functional Units Creation and usage of functional units can be modified with attributes. So far the following have shown to be helpful: Singleton: FUs are by default multitons. FUs in the same of different flows with the same name refer to the same functionality, but to different instances. Think of functional units as objects that get instanciated anew whereever they appear in a design. Sometimes though it´s helpful to reuse the same instance of a functional unit; this is always due to valuable state it holds. Signify this by annotating the FU with a “(S)”. Multiton: FUs on which others depend are singletons by default. This is, because they usually are introduced where shared state comes into play. If you want to change them to be a singletons mark them with a “(M)”. Configurable: Some parts need to be configured before the can do they work in a flow. Annotate them with a “(C)” to have them initialized before any data items to be processed by them arrive. Do not assume any order in which FUs are configured. How such configuration is happening is an implementation detail. Entry point: In each design there needs to be a single part where “it all starts”. That´s the entry point for all processing. It´s like Program.Main() in C# programs. Mark the entry point part with an “(E)”. Quite often this will be the GUI part. How the entry point is started is an implementation detail. Just consider it the first FU to start do its job.   Patterns / Standard Parts If more than a single wire is attached to an output-pin that´s called a split (or fork). The same data is flowing on all of the wires. Remember: Flow-Designs are synchronous by default. So a split does not mean data is processed in parallel afterwards. Processing still happens synchronously and thus one branch after another. Do not assume any specific order of the processing on the different branches after the split.   It is common to do a split and let only parts of the original data flow on through the branches. This effectively means a map is needed after a split. This map can be implicit or explicit.   Although FUs can have multiple input-pins it is preferrable in most cases to combine input data from different branches using an explicit join: The default output of a join is a tuple of its input values. The default behavior of a join is to output a value whenever a new input is received. However, to produce its first output a join needs an input for all its input-pins. Other join behaviors can be: reset all inputs after an output only produce output if data arrives on certain input-pins

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  • ExpressionEngine Segment Variables Lost on Site Index Page

    - by Jesse Bunch
    Hey Everyone, I've been messing with this for days now and can't seem to figure it out. I am trying to pass a 2nd segment variable to my client's index page. The URL I'm trying is: http://www.compupay.com/site/CSCPA/. The problem is, rather than showing the site's index page with the segment variable of "CSCPA" still in the URL, it shows the index page with no segment variables. Initially, I thought it was a .htaccess problem but I couldn't find anything in it that seemed out of whack. Any ideas? I am posting the .htaccess file so another pair of eyes can see it. Thanks for the help! # -- LG .htaccess Generator Start -- # .htaccess generated by LG .htaccess Generator v1.0.0 # http://leevigraham.com/cms-customisation/expressionengine/addon/lg-htaccess-generator/ # secure .htaccess file <Files .htaccess> order allow,deny deny from all </Files> # Dont list files in index pages IndexIgnore * #URL Segment Support AcceptPathInfo On Options +FollowSymLinks #Redirect old incoming links Redirect 301 /contactus.cfm http://www.compupay.com/about_compupay/contact_us/ Redirect 301 /Internet_Payroll.cfm http://www.compupay.com/payroll_solutions/c/online_payroll/ Redirect 301 /Internet_Payroll_XpressPayroll.cfm http://www.compupay.com/payroll_solutions/xpresspayroll/ Redirect 301 /about_compupay.cfm http://www.compupay.com/about_compupay/news/ Redirect 301 /after_payroll.cfm http://www.compupay.com/after_payroll_solutions/ Redirect 301 /news101507.cfm http://www.compupay.com/about_compupay/news/ Redirect 301 /quote.cfm http://www.compupay.com/payroll_solutions/get_a_free_quote/ Redirect 301 /solution_finder_sm.cfm http://www.compupay.com/ Redirect 301 /state_payroll/mississippi_payroll.cfm http://www.compupay.com/resource_center/state_resources/ Redirect 301 /state_payroll/washington_payroll.cfm http://www.compupay.com/resource_center/state_resources/ #Redirect for old top linked to pages Redirect 301 /Payroll_Services.cfm http://www.compupay.com/payroll_solutions/ Redirect 301 /About_CompuPay.cfm http://www.compupay.com/about_compupay/ Redirect 301 /Partnerships.cfm http://www.compupay.com/business_partner_solutions/ Redirect 301 /about_compupay.cfm?subpage=393 http://www.compupay.com/about_compupay/ Redirect 301 /quote.cfm http://www.compupay.com/payroll_solutions/get_a_free_quote/ Redirect 301 /After_Payroll.cfm http://www.compupay.com/after_payroll_solutions/ Redirect 301 /Accountant_Services.cfm http://www.compupay.com/accountant_solutions/ Redirect 301 /careers/careers_payroll.cfm http://www.compupay.com/about_compupay/careers/ Redirect 301 /Industry_Resources.cfm http://www.compupay.com/resource_center/ Redirect 301 /Client_Resources.cfm http://www.compupay.com/resource_center/client_login/ Redirect 301 /client_resources.cfm?subpage=375 http://www.compupay.com/resource_center/client_login/ Redirect 301 /solution_finder_sm.cfm http://www.compupay.com/payroll_solutions/ Redirect 301 /Internet_Payroll_PowerPayroll.cfm http://www.compupay.com/payroll_solutions/powerpayroll/ Redirect 301 /Payroll_Outsourcing.cfm http://www.compupay.com/payroll_solutions/why_outsource/ Redirect 301 /Phone_Payroll_Fax_Payroll.cfm http://www.compupay.com/payroll_solutions/phone_fax_payroll/ Redirect 301 /contactus.cfm http://www.compupay.com/about_compupay/contact_us/ Redirect 301 /state_payroll/iowa_payroll.cfm http://www.compupay.com/resource_center/state_resources/ Redirect 301 /Construction_Payroll.cfm http://www.compupay.com/payroll_solutions/specialty_payroll/ Redirect 301 /PC_Payroll.cfm http://www.compupay.com/payroll_solutions/c/pc_payroll/ Redirect 301 /state_payroll/washington_payroll.cfm http://www.compupay.com/resource_center/state_resources/ Redirect 301 /Internet_Payroll_XpressPayroll.cfm http://www.compupay.com/payroll_solutions/xpresspayroll/ Redirect 301 /accountant_services.cfm?subpage=404 http://www.compupay.com/accountant_solutions/ Redirect 301 /after_payroll.cfm http://www.compupay.com/after_payroll_solutions/ Redirect 301 /after_payroll.cfm?subpage=361 http://www.compupay.com/after_payroll_solutions/ Redirect 301 /after_payroll.cfm?subpage=362 http://www.compupay.com/after_payroll_solutions/ Redirect 301 /after_payroll.cfm?subpage=363 http://www.compupay.com/after_payroll_solutions/ Redirect 301 /after_payroll.cfm?subpage=364 http://www.compupay.com/after_payroll_solutions/ Redirect 301 /after_payroll.cfm?subpage=365 http://www.compupay.com/after_payroll_solutions/ Redirect 301 /after_payroll.cfm?subpage=366 http://www.compupay.com/after_payroll_solutions/ Redirect 301 /after_payroll.cfm?subpage=367 http://www.compupay.com/after_payroll_solutions/ Redirect 301 /after_payroll.cfm?subpage=368 http://www.compupay.com/after_payroll_solutions/ Redirect 301 /after_payroll.cfm?subpage=369 http://www.compupay.com/after_payroll_solutions/ Redirect 301 /after_payroll.cfm?subpage=416 http://www.compupay.com/after_payroll_solutions/ Redirect 301 /payload_payroll.cfm http://www.compupay.com/payroll_solutions/payload/ Redirect 301 /payroll_services.cfm?subpage=358 http://www.compupay.com/payroll_solutions/ Redirect 301 /payroll_services.cfm?subpage=399 http://www.compupay.com/payroll_solutions/ Redirect 301 /payroll_services.cfm?subpage=409 http://www.compupay.com/payroll_solutions/ Redirect 301 /payroll_services.cfm?subpage=413 http://www.compupay.com/payroll_solutions/ Redirect 301 /payroll_services.cfm?subpage=418 http://www.compupay.com/payroll_solutions/ Redirect 301 /state_payroll/mississippi_payroll.cfm http://www.compupay.com/resource_center/state_resources/ <IfModule mod_rewrite.c> RewriteEngine On RewriteBase / # Remove the www # RewriteCond %{HTTP_HOST} ^www\.(.+)$ [NC] # RewriteRule ^ http://%{HTTP_HOST}%{REQUEST_URI} [L,R=301] # Force www RewriteCond %{HTTP_HOST} !^www.compupay.com$ [NC] RewriteRule ^(.*)$ http://www.compupay.com/$1 [R=301,L] # Add a trailing slash to paths without an extension RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_URI} !(\.[a-zA-Z0-9]{1,5}|/)$ RewriteRule ^(.*)$ $1/ [L,R=301] #Legacy Partner Link Redirect RewriteCond %{QUERY_STRING} partnerCode=(.*) [NC] RewriteRule compupay_payroll.cfm site/%1? [R=301,L] # Catch any remaining requests for .cfm files RewriteCond %{REQUEST_URI} \.cfm RewriteRule ^.*$ http://www.compupay.com/ [R=301,L] #Expression Engine RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteRule ^(.*)$ /index.php?/$1 [L] AcceptPathInfo On </IfModule> # Remove IE image toolbar <FilesMatch "\.(html|htm|php)$"> Header set imagetoolbar "no" </FilesMatch> # enable gzip compression <FilesMatch "\.(js|css|php)$"> SetOutputFilter DEFLATE </FilesMatch> #Deal with ETag <IfModule mod_headers.c> <FilesMatch "\.(ico|flv|jpg|jpeg|png|gif)$"> Header unset Last-Modified </FilesMatch> <FilesMatch "\.(ico|flv|jpg|jpeg|png|gif|js|css|swf)$"> Header unset ETag FileETag None Header set Cache-Control "public" </FilesMatch> </IfModule> <IfModule mod_expires.c> <FilesMatch "\.(ico|flv|jpg|jpeg|png|gif|css|js)$"> ExpiresActive on ExpiresDefault "access plus 1 year" </FilesMatch> </IfModule> #Force Download PDFs <FilesMatch "\.(?i:pdf)$"> ForceType application/octet-stream Header set Content-Disposition attachment </FilesMatch> #Increase Upload Size php_value upload_max_filesize 5M php_value post_max_size 5M # -- LG .htaccess Generator End --

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  • CodePlex Daily Summary for Tuesday, March 27, 2012

    CodePlex Daily Summary for Tuesday, March 27, 2012Popular ReleasesHarness: Harness 2.0.2: change to .NET Framework Client Profile bug fix the download dialog auto answer. bug fix setFocus command. add "SendKeys" command. remove "closeAll" command. minor bugs fixed.BugNET Issue Tracker: BugNET 0.9.161: Below is a list of fixes in this release. Bug BGN-2092 - Link in Email "visit your profile" not functional BGN-2083 - Manager of bugnet can not edit project when it is not public BGN-2080 - clicking on a link in the project summary causes error (0.9.152.0) BGN-2070 - Missing Functionality On Feed.aspx BGN-2069 - Calendar View does not work BGN-2068 - Time tracking totals not ok BGN-2067 - Issues List Page Size Bug: Index was out of range. Must be non-negative and less than the si...YAF.NET (aka Yet Another Forum.NET): v1.9.6.1 RTW: v1.9.6.1 FINAL is .NET v4.0 ONLY v1.9.6.1 has: Performance Improvements .NET v4.0 improvements Improved FaceBook Integration More complete change list and discussion here: http://forum.yetanotherforum.net/yaf_postst14201_v1-9-6-1-RTW-Dated--3-26-2012.aspxQuick Performance Monitor: Version 1.8.1: Added option to set main window to be 'Always On Top'. Use context (right-click) menu on graph to toggle.Asp.NET Url Router: v1.0: build for .net 2.0 and .net 4.0SQLinq - use LINQ to generate Ad-Hoc Sql Queries: SQLinq v1.1: Nuget Package:http://nuget.org/packages/sqlinq Install SQLinq via Nuget Change Log:Fixed "SELECT *" bug when no selector is specified Added ".Take(int)" and ".Skip(int)" methods to support paging Added ability to specify "ORDER BY"DbViewSharp: Sql Compact Edition plugins: The SQL CE plugins are new assemblies written to allow DbViewSharp to work with SQL Compact Edition databases. Some features available for Sql Server databases are unavailable because of restrictions in the Compact Edition engine. However there are plans to add different new features as compensation for this. See the Sql CE Plugin page for more details.TileSet Map Editor: Map Creator: can add maps/ layers can use only 1 tileset for now Have Save/Load Logics... added Fill Copy and Paste working towards better code and more optionsBagammon pc player: Baggamon pc player v.1.3: This a source code of a project "tool-game" Bagammon pc player. It has bug. Please do not fix them. Thank you. For your information : "If you want to use it buy it. Send an email."openSourceC.Daylife: Release v1.0a: This is a minor bug fix release with some minor internal refactoring as well. The Documentation page has some code samples that show how to use the library. If you discover any issues with this release, please check the existing Discussions and Issues to see if the issue has already been reported, and if not, create a new discussion with the details of the issue.menu4web: menu4web 0.0.3: menu4web 0.0.3Windawesome: Windawesome v1.4.0 x86: Added a SeparatorWidget. Implemented some xmonad-like functionality for multiple-monitors - see SwapCurrentWorkspaceWith, SwitchToNextMonitor and SwitchToPreviousMonitor. Thanks to mkocubinski for the idea and some of the implementation. Implemented AddBarToWorkspace and RemoveBarFromWorkspace. Small performance improvements. Any issues/recommendations/requests for future versions? This is the 32-bit version of the release. If you use a 32-bit Windows, this is the release you should u...Navigation for ASP.NET Web Forms: Navigation 1.4: Navigation for ASP.NET Web Forms manages movement and data passing between ASPX pages in a unit-testable manner. There is no client-side logic, so it works in all browsers, and no server-side cache, so it works with the browser back button. Comprehensive documentation and sample code can be found under the Documentation tab (Make sure to unblock all zip files prior to extraction) New - Added default State NavigationData. Supports strongly typed values and routing defaults New - Added mobi...Afrihost Usage Monitoring Gadget: Afrihost Gadget 1.2.0: This is the stable current download: Changes: Added support for Uncapped accounts. Added support for IS Uncapped Accounts.ArcGIS Editor for OpenStreetMap: ArcGIS Editor for OSM 2.0 Final: This release installs both the ArcGIS Editor for OSM Server Component and/or ArcGIS Editor for OSM Desktop components. The Desktop tools allow you to download data from the OpenStreetMap servers and store it locally in a geodatabase. You can then use the familiar editing environment of ArcGIS Desktop to create, modify, or delete data. Once you are done editing, you can post back the edit changes to OSM to make them available to all OSM users. The Server Component allows you to quickly create...Craig's Utility Library: Craig's Utility Library 3.1: This update adds about 60 new extension methods, a couple of new classes, and a number of fixes including: Additions Added DateSpan class Added GenericDelimited class Random additions Added static thread friendly version of Random.Next called ThreadSafeNext. AOP Manager additions Added Destroy function to AOPManager (clears out all data so system can be recreated. Really only useful for testing...) ORM additions Added PagedCommand and PageCount functions to ObjectBaseClass (same as M...DotSpatial: DotSpatial 1.1: This is a Minor Release. See the changes in the issue tracker. Minimal -- includes DotSpatial core and essential extensions Extended -- includes debugging symbols and additional extensions Just want to run the software? End user (non-programmer) version available branded as MapWindow Want to add your own feature? Develop a plugin, using the template and contribute to the extension feed (you can also write extensions that you distribute in other ways). Components are available as NuGet pa...Microsoft All-In-One Code Framework - a centralized code sample library: C++, .NET Coding Guideline: Microsoft All-In-One Code Framework Coding Guideline This document describes the coding style guideline for native C++ and .NET (C# and VB.NET) programming used by the Microsoft All-In-One Code Framework project team.WebDAV for WHS: Version 1.0.67: - Added: Check whether the Remote Web Access is turned on or not; - Added: Check for Add-In updates;Phalanger - The PHP Language Compiler for the .NET Framework: 3.0 (March 2012) for .NET 4.0: March release of Phalanger 3.0 significantly enhances performance, adds new features and fixes many issues. See following for the list of main improvements: New features: Phalanger Tools installable for Visual Studio 2011 Beta "filter" extension with several most used filters implemented DomDocument HTML parser, loadHTML() method mail() PHP compatible function PHP 5.4 T_CALLABLE token PHP 5.4 "callable" type hint PCRE: UTF32 characters in range support configuration supports <c...New Projects(MVC4) Character Creation: A simple web site to manage your Avalon CharactersAmfSample: Sample projectBismillah Quran Reader for Wp7: Bismillah Quran Reader is an application for reading Quran translations in WP7. Translations can be read in various languages. Also recitations can be listened to.BlogEngine Mvc: This is an MVC version of BlogEngine.net. Project Description Our plan is to convert the whole BlogEngine.NET into an MVC application by the end of June 2012. It's developed in C# ASP.NET MVC3.Db7: Db7EF4.3 Code First and Migration Sample: EF4.3 Code First and Migration Sampleemoji for windows phone: This project is a windows phone 7 enmoji libary.Excel Document Merger: Excel Document Merger is a utility for combining multiple Excel workbooks and worksheets into a single workbook.exceladdin: exceladdinfastBinaryJSON: Binary JSON serializer based on fastJSONFontographer: A metro style WPF app to demonstrate the capabilites of the fonts on the users systemGonte Web Desktop: Another web desktop using ExtJs javascript frameworkIndoor Cricket Stats: Indoor Cricket StatsKernel32 C# wrapper: Kernel32.dll C# wrapper. Mostly done for threading, pipes, mutexes and other stuff. Not all methods implemented.Live for Desktop: A simple app that lets you browse you Live accout from a webbrowser integrated in the software. Future version will also include a custom interface and a Metro style look.LogoScriptIDE: IDE for LogoScript, A logo and C like scripting languageMcCloud Service Framework: Monte Carlo Cloud Service Framework (McCloud) provides a generic service implementation of Monte Carlo method, based on Microsoft Windows Azure, to solve a wide range of scientific and engineering problems.NetView Control for Microsoft Access: A native control for Microsoft Access forms to display and interact with non-hierarchical data.Polygon: Polygon is a UI composition framework for ASP.NET Web Forms. It can be used for third-party plugin extensibility of ASP.NET Web Forms applications. Though it's developed in C#, plugins can also done in VB as well.Programmeerproject-LambdaOffice: Architectural project. Takes input from the user and prints it to various fileformats such as .docx and .pdfQuick Job Seeker: Final project of computer scienceSchool Education Management: Project Description School Management System helps schools in managing student's data. It is targeted for colleges in the Philippines. It is developed in ASp.Net MVC3 and uses SQL Server as the database. The system is divided into several modules: 1. Registrar Module - used by the Registrar. 2. Scheduling Module - used by Deans for creating course offerings schedule 3. Cashiering Module - used by the Accounting Department 4. Grading Entry Module - used by teachers for encoding grade...Sharepoint Carousel: Sharepoint Carousel\Slider is a webpart that allows you to have a carousel that contains an image with a link below it. it is fully customisable from styles to the actual javascript that generates the slider data it has currently only been tested with sharepoint 2010 This is carousel\slider for sharepoint is built of the JCarousel http://sorgalla.com/jcarousel/.Sieena Dashboard: Metro UI DashboardSimple Redirect Module for DotNetNuke: This module allows content editors in DotNetNuke to have a simple and easy way to properly redirect incoming URLs that are incorrectly indexed by search engines.software de entrenador 2.0: software de entrenador es un Programa diseñado para entrenadores de musculacion y personas cuyo proposito es mejorar en sus entrenamientos y desean llevar un control del mismo a modo de diario.Sqlite Loader: Tool to Import/Export data to an Sqlite database using CSV, XML with a GUI written in C#TestProject_Mercurial: Test Project with MercuriaTestProject_TFS: the test project with tfsThinkPHP-??、???PHP????: ??WEB??????,?????WEB?????? Twesh Ajax: TweshAjax is clientside javascript library for making asynchronous calls to server.UserProfilePropertiesSync: This utility allows to synchronize User Profile properties between different SharePoint 2010 environments.VRacer: Vektor Car racing on windows phone.Workflow Foundation State Machine Service: This is a sample project for workflow foundation 4 state machine exposed as a WCF serviceWPZilla: Bugzilla client for Windows Phone 7.1 and up.XNA GPU Particles Tool: This is a tool to help create particle effects based on the sample shaders provided in the XNA education catalogue. View the changes to the parameters in real time.Y.Music: Y.Music - ??? ?????? ??? ??????? ??????.?????? ???????? ??????. ?? ????????? ?? ??????? ???-??????? ????????? ??????????. ? ???? ?? ?? ?????????? ??????? ?????? ?????????? ?????? ? ????????????? ??????? ? ????????? ? ?????????. ????????? ?????????? ?? WPF/?#/.NET. ????? ? ??? ???????????? ?????????? NAudio ? Fluent Ribbon.

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  • jQuery ajax doesn't seem to be reading HTML data in Chromium

    - by Mahesh
    I have an HTML (App) file that reads another HTML (data) file via jQuery.ajax(). It then finds specific tags in the data HTML file and uses text within the tags to display sort-of tool tips. Here's the App HTML file: <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" lang="en-US" xml:lang="en-US"> <head> <title>Test</title> <style type="text/css"> <!--/* <![CDATA[ */ body { font-family : sans-serif; font-size : medium; margin-bottom : 5em; } a, a:hover, a:visited { text-decoration : none; color : #2222aa; } a:hover { background-color : #eeeeee; } #stat_preview { position : absolute; background : #ccc; border : thin solid #aaa; padding : 3px; font-family : monospace; height : 2.5em; } /* ]]> */--> </style> <script type="text/javascript" src="http://code.jquery.com/jquery-1.4.2.min.js"></script> <script type="text/javascript"> //<![CDATA[ $(document).ready(function() { $("#stat_preview").hide(); $(".cfg_lnk").mouseover(function () { lnk = $(this); $.ajax({ url: lnk.attr("href"), success: function (data) { console.log (data); $("#stat_preview").html("A heading<br>") .append($(".tool_tip_text", $(data)).slice(0,3).text()) .css('left', (lnk.offset().left + lnk.width() + 30)) .css('top', (lnk.offset().top + (lnk.height()/2))) .show(); } }); }).mouseout (function () { $("#stat_preview").hide(); }); }); //]]> </script> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" /> </head> <body> <h1>Test</h1> <ul> <li><a class="cfg_lnk" href="data.html">Sample data</a></li> </ul> <div id="stat_preview"></div> </body> </html> And here is the data HTML <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" lang="en-US" xml:lang="en-US"> <head> <title>Test</title> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" /> </head> <body> <h1>Test</h1> <table> <tr> <td class="tool_tip_text"> Some random value 1</td> <td class="tool_tip_text"> Some random value 2</td> <td class="tool_tip_text"> Some random value 3</td> <td class="tool_tip_text"> Some random value 4</td> <td class="tool_tip_text"> Some random value 5</td> </tr> <tr> <td class="tool_top_text"> Some random value 11</td> <td class="tool_top_text"> Some random value 21</td> <td class="tool_top_text"> Some random value 31</td> <td class="tool_top_text"> Some random value 41</td> <td class="tool_top_text"> Some random value 51</td> </tr> </table> </body> </html> This is working as intended in Firefox, but not in Chrome (Chromium 5.0.356.0). The console.log (data) displays empty string in Chromium's JavaScript console. Firebug in Firefox, however, displays the entire data HTML. Am I missing something? Any pointers?

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  • Help:Graph contest problem: maybe a modified Dijkstra or another alternative algorithm

    - by newba
    Hi you all, I'm trying to do this contest exercise about graphs: XPTO is an intrepid adventurer (a little too temerarious for his own good) who boasts about exploring every corner of the universe, no matter how inhospitable. In fact, he doesn't visit the planets where people can easily live in, he prefers those where only a madman would go with a very good reason (several millions of credits for instance). His latest exploit is trying to survive in Proxima III. The problem is that Proxima III suffers from storms of highly corrosive acids that destroy everything, including spacesuits that were especially designed to withstand corrosion. Our intrepid explorer was caught in a rectangular area in the middle of one of these storms. Fortunately, he has an instrument that is capable of measuring the exact concentration of acid on each sector and how much damage it does to his spacesuit. Now, he only needs to find out if he can escape the storm. Problem The problem consists of finding an escape route that will allow XPTOto escape the noxious storm. You are given the initial energy of the spacesuit, the size of the rectangular area and the damage that the spacesuit will suffer while standing in each sector. Your task is to find the exit sector, the number of steps necessary to reach it and the amount of energy his suit will have when he leaves the rectangular area. The escape route chosen should be the safest one (i.e., the one where his spacesuit will be the least damaged). Notice that Rodericus will perish if the energy of his suit reaches zero. In case there are more than one possible solutions, choose the one that uses the least number of steps. If there are at least two sectors with the same number of steps (X1, Y1) and (X2, Y2) then choose the first if X1 < X2 or if X1 = X2 and Y1 < Y2. Constraints 0 < E = 30000 the suit's starting energy 0 = W = 500 the rectangle's width 0 = H = 500 rectangle's height 0 < X < W the starting X position 0 < Y < H the starting Y position 0 = D = 10000 the damage sustained in each sector Input The first number given is the number of test cases. Each case will consist of a line with the integers E, X and Y. The following line will have the integers W and H. The following lines will hold the matrix containing the damage D the spacesuit will suffer whilst in the corresponding sector. Notice that, as is often the case for computer geeks, (1,1) corresponds to the upper left corner. Output If there is a solution, the output will be the remaining energy, the exit sector's X and Y coordinates and the number of steps of the route that will lead Rodericus to safety. In case there is no solution, the phrase Goodbye cruel world! will be written. Sample Input 3 40 3 3 7 8 12 11 12 11 3 12 12 12 11 11 12 2 1 13 11 11 12 2 13 2 14 10 11 13 3 2 1 12 10 11 13 13 11 12 13 12 12 11 13 11 13 12 13 12 12 11 11 11 11 13 13 10 10 13 11 12 8 3 4 7 6 4 3 3 2 2 3 2 2 5 2 2 2 3 3 2 1 2 2 3 2 2 4 3 3 2 2 4 1 3 1 4 3 2 3 1 2 2 3 3 0 3 4 10 3 4 7 6 3 3 1 2 2 1 0 2 2 2 4 2 2 5 2 2 1 3 0 2 2 2 2 1 3 3 4 2 3 4 4 3 1 1 3 1 2 2 4 2 2 1 Sample Output 12 5 1 8 Goodbye cruel world! 5 1 4 2 Basically, I think we have to do a modified Dijkstra, in which the distance between nodes is the suit's energy (and we have to subtract it instead of suming up like is normal with distances) and the steps are the ....steps made along the path. The pos with the bester binomial (Energy,num_Steps) is our "way out". Important : XPTO obviously can't move in diagonals, so we have to cut out this cases. I have many ideas, but I have such a problem implementing them... Could someone please help me thinking about this with some code or, at least, ideas? Am I totally wrong?

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  • CodePlex Daily Summary for Tuesday, June 08, 2010

    CodePlex Daily Summary for Tuesday, June 08, 2010New ProjectsAD CMS: CMS software project still in its initial development and design stage.Animated panel: Animated Panel is a WPF control that supports animation of its content on resize. Can be used in item controls (ListBox for example) as ItemsPanelT...Anurag Pallaprolu's Code Repository: Hi there, this is Anurag P.'s public repository which contains most of c++ language examples and many command line(only) applications. Well , plea...atfas: atfasBibleNotes: A small application that uses BibleGateway to lookup scripture and add notes to themCarRental: How to Rent A Car.Food Innovation: This is the Food Innovation project.Generic Validation.NET: Generic Validation.NET is a flexible lightweight validation library for .NET, that can be used by any .NET project: ASP.NET Web Forms, ASP.NET MVC,...Komoi: Komoi is an app that will bring on a new form of web comic delivery.Liekhus Entity Framework XAF Extensions: Entity Framework extensions to support DevExpress eXpress Application Framework (XAF) code generation by Patrick Liekhus.Marketing: Desing Automation Marketing FlowMediaCoder.NET: MediaCoder.NET makes it easy for normal PC users to convert media files to other formats. It is developed in Visual Basic.NETMemetic NPC Behavior Toolkit: This is a library based on the NeverWinter Nights' Memetic AI Toolkit by William Bull. This is an attempt at creating a C# edition of this brillia...MeVisLab QT VR Export: -Mudbox: This project for personal test. Prog2: wi ss10 2010 PSAdmin: PSAdmin is a web based administration tool that allows the easy execution of Windows PowerShell scripts within your environment.RIA Services Essentials: The RIA Services Essentials project contains sample applications/extensions demonstrating using and extending WCF RIA Services v1.SCSM Service Request: The Service Request project defines a new work item class called 'Service Request' and the corresponding form for that work item class. It is a go...SFTP Component for .NET CSharp, VB.NET, and ASP.NET: The Ultimate SSH Secure File Transfer (SFTP) .NET Component offers a comprehensive interface for SFTP, enabling you to quickly and easily incorpora...shitcore: Application demonstrating how to turn a crappy application into something useful. Read more about the refactoring in http://blog.gauffin.com (sear...SystemCentered Operations Manager Reporting: SystemCentered Reporting give Microsoft System Center Operations Manager administrators an extended set of performance reports aimed towards all us...TokyoTyrantClient: makes it easier for c# developer to write code to connect the tokyo tyrant. it support: 1.utf-8 encode 2.tcpClient pool 3.rich setting about tc...Ultimate FTP Component for .NET C#, VB.NET and ASP.NET: Ultimate FTP is a 100%-managed .NET class library that adds powerful and comprehensive File Transfer capabilities to your .NET applications. WCF 4 Templates for Visual Studio 2010: WCF 4 templates for Visual Studio 2010 providing a scenario-driven starting point.XCube: XCube is a basic command line interface, with support for files, user accounts(only in the GUI), and variables(only in DevMode). It is developed in...New ReleasesAdd-ons for EPiServer Relate+: EPiXternal.RelatePlus.Properties 0.1.0.0 Alpha: This is the Alpha release of EPiXternal.RelatePlus.Properties. The download is in the form of an .epimodule file that you can install with EPiServe...Add-ons for EPiServer Relate+: EPiXternal.RelatePlus.WebControl 0.1.0.0 Alpha: This is the Alpha release of EPiXternal.RelatePlus.WebControls. The download is in the form of an .epimodule file that you can install with EPiServ...Animated panel: AnimatedPanel v1: First version of AnimatedPanel.Anurag Pallaprolu's Code Repository: C.L.O.S.E - V3: C.L.O.S.E - V3 Smaller than ever. More Useful than ever Run only CLOSEV3.exeAnurag Pallaprolu's Code Repository: FLTK - 1.3.X: The Fast Lightining Tool Kit is back. This is the FLTK 1.3.X Tar ballAnurag Pallaprolu's Code Repository: KBHIT Function Code: This is a sample to teach about kbhit()Browser Gallese: Browser 1.0.0.15: Continua l'era del browser opensource con una novità:ho impiantato il P2P online. Adesso il browser ha bisogno di Java. Se non lo avete,cliccate qu...CC.Hearts Screen Saver: CC.Hearts Screen Saver 1.0.10.607: This is the initial release of CC.Hearts Screen Saver. Marking as stable but limited testing at this point so feedback is greatly welcomed.Community Forums NNTP bridge: Community Forums NNTP Bridge V32: Release of the Community Forums NNTP Bridge to access the social and anwsers MS forums with a single, open source NNTP bridge. This release has ad...DotNetNuke® Skins: Default.css (beta): About The team has put together a cleaned up and optimized default.css file as a first step in moving toward more efficient CSS usage. Ideally, th...Dynamic Survey Forms - SharePoint Web Part: Code Fix 06-07-2010: Fix for editing existing forms Add: Requiered field option Add: Requiered field validation on submitFloe IRC Client: Floe 1.0 (2010-06): NOTE: You may have to uninstall your existing version for this installer to work properly. - Added /QUOTE command - Fixed bug where new message in...Folder Bookmarks: Folder Bookmarks 1.6.2.1: The latest version of Folder Bookmarks (1.6.2.1), with new Mini-Menu UI changes (1.3). Once you have extracted the file, do not delete any files/f...Food Innovation: Food Innovation 1.0: This is the V1.0 release.HERB.IQ: Alpha 0.1 Source code release 7: Alpha 0.1 Source code release 7 (skipped uploading 6)Liekhus Entity Framework XAF Extensions: Version 1.1.0: Initial project release. Ported the XAFDSL tool into the Entity Framework and made it work with the Visual Studio 2010 extensions.LogikBug's IoC Container: LogikBug's IoC Container v 1.1: In this release, I add the ability to extend the container using the LogikBug.Injection.Extensibility namespace.MediaCoder.NET: MediaCoder.NET v1.0 beta Source Code: Source code for MediaCoder.NET v1.0 beta it includes everything - also the installer.Memetic NPC Behavior Toolkit: Wandering Meme Test: This was a code spike to see the first custom meme in action. The first meme chosen was the "Wander" meme. This is a Visual Studio 2010 solution. ...Microsoft Silverlight Media Framework: Silverlight Media Framework v2 (RC1): This is the first release candidate for the Microsoft Silverlight Media Framework v2. Note: The IIS Smooth Streaming Player Development Kit assem...mwNSPECT: mwNSPECT Beta: mwNSPECT Mapwindow plugin dll. Place in your MapWindow or BASINS plugins directory. Presently for testing everything, though very much known issu...mwNSPECT: mwNSPECT Beta Installer: Simplistic mwNSPECT Mapwindow plugin installer using Inno setup. Installs all the files you'll need for NSPECT into the C:\NSPECT folder and insta...Near forums - ASP.NET MVC forum engine: Release 1: First release of the SEO friendly ASP.NET MVC forum engine.NLog - Advanced .NET Logging: Nightly Build 2010.06.07.001: Changes since the last build:2010-06-06 22:13:02 Jarek Kowalski Added unit tests for common target behaviors. 2010-06-06 19:36:44 Jarek Kowalski c...patterns & practices – Enterprise Library: Enterprise Library 5.0 - Dev Guide (RC): This is a Release Candidate of the Developer's Guide, C# EditionPSAdmin: 1.0.0.0: This is an alpha release of PSAdmin and should be tested before putting into a production environment. This package is pre-compiled and ready for ...Refix - .NET dependency management: Refix v0.1.0.59 ALPHA: Still a very early version. Functional changes: Added new pre (prebuild) and fix commands (rfx help pre and rfx help fix for explanations).SCSM Service Request: Service Request Management Pack v0.1: !This is an ALPHA release. Please use for testing purposes only.! The management pack is not sealed which means that when a new version of the Se...SFTP Component for .NET CSharp, VB.NET, and ASP.NET: SFTP WinForms Client: SFTP WinForms ClientSharePoint Feature - Version history list Export to Excel: Export Item List Version 1.1: - allows you to select columns to export - multilanguage support Czech, English - some bug fix Install: "C:\Program Files\Common Files\Microsoft S...SharePoint Outlook Connector: Source Code for Version 1.2.4.3: Source Code for Version 1.2.4.3SharePoint PowerRSS: v1.0: Easy/Clean way to get SharePoint list data via more standard RSS feed. I found CleanRSS.aspx as part of SPRSS: Enhanced RSS Functionality for WSS ...Smith Async .NET Memcached Client: Smith.Amc 0.7.3810.36347: Smith Async Memcached client release 0.7.3810.36347 available First public release available. All memcached operations has been implemented except...Star Trooper for XNA 2D Tutorial: Lesson five content: Here is Lesson five original content for the StarTrooper 2D XNA tutorial. The blog tutorial has now started over on http://xna-uk.net/blogs/darkge...Star Trooper for XNA 2D Tutorial: Lesson six content: Here is Lesson six original content for the StarTrooper 2D XNA tutorial. The blog tutorial has now started over on http://xna-uk.net/blogs/darkgen...Stripper: Stripper.exe version 0.1.0: Stripper Remove Diacritics and other unwanted caracters to fabric a more standardized file naming. Especially French caracter and maybe other lang...SystemCentered Operations Manager Reporting: SystemCentered Reports V1: Reports Windows Computer General Performance When troubleshooting performance problems there are typically a set of "go to" performance counters t...TFS Buddy: TFS Buddy Beta 1.1: Minor changes +Added repeat function in action tab to simplyfy creating actions +Added app manifest to make the exe require run as Admin ~How the I...Thumbnail creator and image resizer: ThumbnailCreator1.2.1: ThumbnailCreator1.2.1 added importing of namespaces to .vb(previously in web.config)TokyoTyrantClient: TokyoTyrantClient release: 该客户端有如下特点: 1.支持TcpClient连接池 2.支持UTF-8编码 3.支持初始化链接数,链接过期时间,最大空闲时间,最长工作时间等设置。Ultimate FTP Component for .NET C#, VB.NET and ASP.NET: Build 519: New Release Download setup package at: http://www.componentsoft.net/component/download/?name=UltimateFtp Product Home Page: http://www.componentsof...visinia: visinia_1.2: The new stable version of visinia cms is out, it is visinia 1.2. It has many new features like the admin is one more time is given a new look. the ...WCF 4 Templates for Visual Studio 2010: AnonymousOverHttp: This template generates a WCF service application that exposes a BasicHttpBinding endpoint with maxed message size and reader quotas to provide an ...WhiteMoon: WhiteMoon 0.2.10 Source: The Source code of WhiteMoon 0.2 build 10Most Popular ProjectsCommunity Forums NNTP bridgeASP.NET MVC Time PlannerMoonyDesk (windows desktop widgets)NeatUploadOutSyncViperWorks IgnitionAgUnit - Silverlight unit testing with ReSharperSmith Async .NET Memcached ClientASP.NET MVC ExtensionsAviva Solutions C# Coding GuidelinesMost Active ProjectsCommunity Forums NNTP bridgepatterns & practices – Enterprise LibraryRawrjQuery Library for SharePoint Web ServicesNB_Store - Free DotNetNuke Ecommerce Catalog ModuleGMap.NET - Great Maps for Windows Forms & PresentationN2 CMSStyleCopsmark C# LibraryBlogEngine.NET

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  • display data from json file in datagrid

    - by kayn
    I want to display data from a json files in a data grid using dojo ver 1.0.0. I am able to diplay the data when i declare it on my code but when i store the same data in a json format so i can reference it in my script,i get an empty grid. This is my json file; { data: [ ['10''myfile','Css', 'CS Degree','Dr. Bottoman','This is mine'], ['10'myfile2','CS716', 'CS Degree','Prof Frank', 'This is course'], ['10'myfile3 ','CS714', 'CS Degree', 'Dr. Ree', 'Welcome'], ['14', 'myfile4','CS772', 'CS Degree', 'Mr. Boss', 'This will display content' ], ['18', 'myfile5','CS774', 'CS Degree','Ms. Kirk', 'This is networks.' ] ] } and below is my code; @import "../../../dojo/resources/dojo.css"; @import "../_grid/Grid.css"; body { font-size: 1.0em; } #grid { height: 400px; border: 1px solid silver; } .text-oneline { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; } .text-scrolling { height: 4em; overflow: auto; } .text-scrolling { width: 21.5em; } dojo.require("dojox.grid.Grid"); dojo.require("dojox.grid._data.model"); dojo.require("dojo.parser"); <script type="text/javascript"> /*<span dojoType="dojo.data.ItemFileWriteStore" jsId="myStore" url="course.json"> </span>*/ data = [ ['10''myfile','Css', 'CS Degree','Dr. Bottoman','This is mine'], ['10'myfile2','CS716', 'CS Degree','Prof Frank', 'This is course'], ['10'myfile3 ','CS714', 'CS Degree', 'Dr. Ree', 'Welcome'], ['14', 'myfile4','CS772', 'CS Degree', 'Mr. Boss', 'This will display content' ], ['18', 'myfile5','CS774', 'CS Degree','Ms. Kirk', 'This is networks.' ] ]; getDetailData = function(inRowIndex) { var row = data[this.grid.dataRow % data.length ]; switch (this.index) { case 0: return row[5]; case 1: return row[2]; case 2: return row[0]; case 3: return row[1]; case 4: return row[3]; case 5: return row[4]; default: return row[this.index]; } } getName = function(inRowIndex) { var row = data[inRowIndex % data.length]; return row[1]; } // Main grid structure var gridCells = [ { type: 'dojox.GridRowView', width: '20px' }, { onBeforeRow: function(inDataIndex, inSubRows) { inSubRows[1].hidden = !detailRows[inDataIndex]; }, cells: [[ { name: 'Master', width: 3, get: getCheck, styles: 'text-align: center;' }, { name: 'Detail', get: getName, width: 60 }, ], [ { name: '', get: getDetail, colSpan: 2, styles: 'padding: 0; margin: 0;'} ]] } ]; // html for the +/- cell function getCheck(inRowIndex) { var image = (detailRows[inRowIndex] ? 'open.gif' : 'closed.gif'); var show = (detailRows[inRowIndex] ? 'false' : 'true') return ''; } // provide html for the Detail cell in the master grid function getDetail(inRowIndex) { var cell = this; // we can affect styles and content here, but we have to wait to access actual nodes setTimeout(function() { buildDetailgrid(inRowIndex, cell); }, 1); // look for a Detailgrid var Detailgrid = dijit.byId(makeDetailgridId(inRowIndex)); var h = (Detailgrid ? Detailgrid.cacheHeight : "120") + "px"; // insert a placeholder return ''; } // the Detail cell contains a Detailgrid which we set up below var DetailgridCells = [{ noscroll: true, cells: [ [ {name: "Brief Course Description",width: "auto"}, {name: "Course Code" }, {name: "Credits" }, {name: "Subject" }, {name: "Prerequisite" }, {name: "Lecturer"}], [] ]}]; var DetailgridProps = { structure: DetailgridCells, rowCount: 1, autoHeight: true, autoRender: false, "get": getDetailData }; // identify Detailgrids by their row indices function makeDetailgridId(inRowIndex) { return grid.widgetId + "Detailgrid"/+ inRowIndex/; } // if a Detailgrid exists at inRowIndex, detach it from the DOM function detachDetailgrid(inRowIndex) { var Detailgrid = dijit.byId(makeDetailgridId(inRowIndex)); if (Detailgrid) dojox.grid.removeNode(Detailgrid.domNode); } // render a Detailgrid into inCell at inRowIndex function buildDetailgrid(inRowIndex, inCell) { var n = inCell.getNode(inRowIndex).firstChild; var id = makeDetailgridId(inRowIndex); var Detailgrid = dijit.byId(id); if (Detailgrid) { n.appendChild(Detailgrid.domNode); } else { DetailgridProps.dataRow = inRowIndex; DetailgridProps.widgetId = id; Detailgrid = new dojox.VirtualGrid(DetailgridProps, n); } if (Detailgrid) { Detailgrid.render(); Detailgrid.cacheHeight = Detailgrid.domNode.offsetHeight; inCell.grid.rowHeightChanged(inRowIndex); } } // destroy Detailgrid at inRowIndex function destroyDetailgrid(inRowIndex) { var Detailgrid = dijit.byId(makeDetailgridId(inRowIndex)); if (Detailgrid) Detailgrid.destroy(); } // when user clicks the +/- detailRows = []; function toggleDetail(inIndex, inShow) { if (!inShow) detachDetailgrid(inIndex); detailRows[inIndex] = inShow; grid.updateRow(inIndex); } dojo.addOnLoad(function() { window["grid"] = dijit.byId("grid"); dojo.connect(grid, 'rowRemoved', destroyDetailgrid); }); Test grid

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  • Android camera AVD error 100

    - by Cristian Voina
    I am trying to learn how to make a simple app in android. As background information I have only programmed in C language, no OOP. Currently I am trying turn on the camera using the indications from Android Developer site but some minor changes: - no button for capturing image. - no new activity. What I am trying to do is jut preview the camera. I will post the Code that I am using, the manifest and the LogCat. Main Activity: package com.example.camera_display; import android.app.Activity; import android.hardware.Camera; import android.os.Bundle; import android.view.Menu; import android.widget.FrameLayout; import android.widget.TextView; public class MainActivity extends Activity { private Camera mcamera; private CameraPreview mCameraPreview; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); mcamera = getCameraInstance(); mCameraPreview = new CameraPreview(this, mcamera); FrameLayout preview = (FrameLayout) findViewById(R.id.camera_preview); preview.addView(mCameraPreview); } public static Camera getCameraInstance(){ Camera c = null; try { c = Camera.open(); // attempt to get a Camera instance } catch (Exception e){ // Camera is not available (in use or does not exist) } return c; // returns null if camera is unavailable } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.main, menu); return true; } } CameraPreview Class: package com.example.camera_display; import java.io.IOException; import android.content.Context; import android.hardware.Camera; import android.util.Log; import android.view.SurfaceHolder; import android.view.SurfaceView; /** A basic Camera preview class */ public class CameraPreview extends SurfaceView implements SurfaceHolder.Callback { private static final String TAG = "MyActivity"; private SurfaceHolder mHolder; private Camera mCamera; public CameraPreview(Context context, Camera camera) { super(context); mCamera = camera; // Install a SurfaceHolder.Callback so we get notified when the // underlying surface is created and destroyed. mHolder = getHolder(); mHolder.addCallback(this); // deprecated setting, but required on Android versions prior to 3.0 mHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS); } public void surfaceCreated(SurfaceHolder holder) { // The Surface has been created, now tell the camera where to draw the preview. try { mCamera.setPreviewDisplay(holder); mCamera.startPreview(); } catch (IOException e) { Log.d(TAG, "Error setting camera preview: " + e.getMessage()); } } public void surfaceDestroyed(SurfaceHolder holder) { // empty. Take care of releasing the Camera preview in your activity. } public void surfaceChanged(SurfaceHolder holder, int format, int w, int h) { // If your preview can change or rotate, take care of those events here. // Make sure to stop the preview before resizing or reformatting it. if (mHolder.getSurface() == null){ // preview surface does not exist return; } // stop preview before making changes try { mCamera.stopPreview(); } catch (Exception e){ // ignore: tried to stop a non-existent preview } // set preview size and make any resize, rotate or // reformatting changes here // start preview with new settings try { mCamera.setPreviewDisplay(mHolder); mCamera.startPreview(); } catch (Exception e){ Log.d(TAG, "Error starting camera preview: " + e.getMessage()); } } } Manifest: <uses-permission android:name="android.permission.CAMERA"/> <uses-feature android:name="android.hardware.camera"/> LOG CAT: 06-30 15:58:35.075: D/libEGL(1153): loaded /system/lib/egl/libEGL_emulation.so 06-30 15:58:35.147: D/(1153): HostConnection::get() New Host Connection established 0x2a156060, tid 1153 06-30 15:58:35.478: D/libEGL(1153): loaded /system/lib/egl/libGLESv1_CM_emulation.so 06-30 15:58:35.515: D/libEGL(1153): loaded /system/lib/egl/libGLESv2_emulation.so 06-30 15:58:36.334: W/EGL_emulation(1153): eglSurfaceAttrib not implemented 06-30 15:58:36.685: D/OpenGLRenderer(1153): Enabling debug mode 0 06-30 15:58:36.935: D/MyActivity(1153): Error starting camera preview: startPreview failed 06-30 15:58:36.965: I/Choreographer(1153): Skipped 125 frames! The application may be doing too much work on its main thread. 06-30 15:58:38.455: W/Camera(1153): Camera server died! 06-30 15:58:38.455: W/Camera(1153): ICamera died 06-30 15:58:38.476: E/Camera(1153): Error 100 So If anyone could tell me what I am doing wrong (and explain why it should be done different) that would be great :) Thanks!

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  • CodePlex Daily Summary for Wednesday, May 26, 2010

    CodePlex Daily Summary for Wednesday, May 26, 2010New Projects3D File Manager: 3D File manager is an application that aims to show how could look file manager in 3D. It´s developed in C# and XNA frameworkAcies: Acies is a dungeon crawler game done with C# and XNA.ActiveWinery: The open source winery and vineyard application.CC.Yacht: CC.Yacht is a client/server yacht dice game written in C# .NET. It utilizes a net.tcp WCF duplex service for client/server communication.Community Forums NNTP bridge: Community project for accessing the MS Web-Forums via an open source NNTP newsserver (bridge).Dojo Timer: WPF timer for Coding Dojo meetings. Timer feito em WPF para Coding Dojo.GameFX - The Game Development Framework: The Game Development Framework (GameFX) is simply a set of libraries to be used as the foundation for any simple 2D tile-based game. It can be used...Greg Roberts MVC Extensions: Asp.Net MVC Extensions including JSONP ActionResult. Targeted for MVC 2 and .NET 4.0.IIS Deploy: Project to develop a tool that automates the deploy Web sites and WCF services in single server environments and clustered.MarkLogic Sample Authoring App for Word: The MarkLogic Authoring Sample App for Word lets authors enrich Word documents using Content Controls, associate and manage metadata with those Con...Mono.Addins: Mono.Addins is a framework for creating extensible applications, and for creating add-ins which extend applications.MPCLI: MPCLI is a library that brings the power of the GNU MP big numbers library to those who use CLS-compliant languages such as C#, F#, and Visual Basi...NTFS parser classes: This is a C++ library to help parsing an NTFS volume, as well as file records and attributes. It will facilitate much when handling NTFS filesystem...Oddworld Level Gen: A 2D platform game, with Oddworld : Abe's Oddysee asset. The game introduce a dynamic system to generate the next level according to the previous l...Page Action Web Part for SharePoint 2007: This Web Part for SharePoint 2007 allows you to perform actions (such as causing an "Access is denied", redirect to another web page, view content ...Piggy Bank: Piggy Bank is a web-based financial application targetted towards kids.Productivity Hub Solutions: The Productivity Hub 2010 is a customizable, on-premise training solution for technology products. Developed by RedTech for Microsoft, the Producti...PyQt port of TortoiseHg: PyQt port of TortoiseHg (aka TortoiseHg 2.0)Releaser™: This is my private project. Currently, I'm not going to support it publicly.SLManagers: SLManagers 用于动态加载组件 实现对程序不同的的管理Smith Async .NET Memcached Client: Async .NET Memcached Client is a fully asynchronous implementation of a memcached client. The advantage of a fully asynchronous client is that you...Tauck Public API: Tauck's public API allows for travel agencies and other parterners to use Tauck's product information in their websites and other systems. Virtualizing WrapPanel: Virtualizing WrapPanel improves performance when binding a ListBox/ListView to a large amount of data. It is written in C#New Releases3D File Manager: 3D File manager: 3D File managerAragon Online Client: Aragon Online Client: The executable version of the Aragon Online Client can be installed from the Aragon Online page: http://aragon-online.net/aoclient/publish.phpASP.NET MVC CMS ( Using CommonLibrary.NET ): CommonLibrary CMS Alpha 2: CommonLibrary CMSA simple yet powerful CMS system in ASP.NET MVC 2 using C# 3.5. ActiveRecord based support for Blogs, Widgets, Pages, Parts, Ev...BFBC2 PRoCon: PRoCon 0.5.1.8: It's not even funny anymore =\Code for Rapid C# Windows Development eBook: LLBLGen LINQPad Data Context Driver Ver 1.0.0.3: Second release of a Static LLBLGen Pro Data Context Driver for LINQPad For LLBLGen Pro versions 2.6 and 3.0 beta. Fixed 'connection string not ini...Community Forums NNTP bridge: Community Forums NNTP Bridge V01: This is the first release of the Community Forums NNTP Bridge to access the social and anwsers MS forums with a single, open sourcen NNTP Bridge.Community Forums NNTP bridge: Community Forums NNTP Bridge V02: This is the second release of the Community Forums NNTP Bridge to access the social and anwsers MS forums with a single, open sourcen NNTP Bridge. ...DDDSample.Net: 0.9: Release 0.9 contains two major improvements: Vanilla version (both Synch and Asynch) has been updated so its model more closely resembles Java orig...DEWD: DEWD for Umbraco: Alpha release of the package. Usable for simple SQL editing, but lacking some core features such as validation, user friendly error handling, confi...Dojo Timer: Dojo Timer v1: Primeira versão Dojo Timer.eXpress Persistent Objects (XPO) Toolkit: Samples: Video Channel Channel.zip sample shows how to build a video site using XPO and WCF Data Services. DevExpress Channel DevExpress Channel Browse ...F# Project Extender: V0.9.2.1 (VS2008,VS2010): F# project extender for Visual Studio 2008 and Visual Studio 2010. Fixed bugs: -Project extender 0.9.2.0 can't be loaded in VS2008 without SDKFeedback Form: Feedback Application: Installer of the projectFeedback Form: Feedback Form: .sln for Feedback Form ApplicationGameFX - The Game Development Framework: Version 1.0 (Beta): Project is Visual Studio 2008 solution. GameFX Source code and sample program. The sample program allows you to create maps of any size, and drop ...MarkLogic Sample Authoring App for Word: MarkLogic Sample Authoring App for Word 1.0-1: Initial release of the MarkLogic Sample Authoring App for Word. See the home page for an overview on functionality. Within the release you'll ...MarkLogic Toolkit for Word: MarkLogic Toolkit for Word 1.2-1: Release built in support of the MarkLogic Sample Authoring App for Word. Updates include: update to XQuery API to expose functions for working w...Microsoft SQL Server Community & Samples: SQL Server 2008R2 RTM: Microsoft SQL Server 2008R2 (RTM) This release contains sample code for Microsoft SQL Server 2008R2. For many of these samples you will also need...Microsoft SQL Server Product Samples: Analysis Services: SQL Server 2008R2 RTM: Microsoft SQL Server 2008R2 (RTM) This release is dedicated to the samples that ship for Microsoft SQL Server 2008R2. For many of these samples y...Microsoft SQL Server Product Samples: Data Programming: SQL Server 2008R2 RTM: Microsoft SQL Server 2008R2 (RTM) This release is dedicated to the samples that ship for Microsoft SQL Server 2008R2. For many of these samples y...Microsoft SQL Server Product Samples: Database: AdventureWorks 2008R2 RTM: Sample Databases for Microsoft SQL Server 2008R2 (RTM)This release is dedicated to the sample databases that ship for Microsoft SQL Server 2008R2. ...Microsoft SQL Server Product Samples: End to End: SQL Server 2008R2 RTM: Microsoft SQL Server 2008R2 (RTM) This release is dedicated to the samples that ship for Microsoft SQL Server 2008R2. For many of these samples y...Microsoft SQL Server Product Samples: Engine: SQL Server 2008R2 RTM: Microsoft SQL Server 2008R2 (RTM) This release is dedicated to the samples that ship for Microsoft SQL Server 2008R2. For many of these samples y...Microsoft SQL Server Product Samples: Integration Services: SQL Server 2008R2 RTM: Microsoft SQL Server 2008R2 (RTM) This release is dedicated to the samples that ship for Microsoft SQL Server 2008R2. For many of these samples y...Microsoft SQL Server Product Samples: Replication: SQL Server 2008R2 RTM: Microsoft SQL Server 2008R2 (RTM) This release is dedicated to the samples that ship for Microsoft SQL Server 2008R2. For many of these samples y...Microsoft SQL Server Product Samples: Reporting Services: SQL Server 2008R2 RTM: Microsoft SQL Server 2008R2 (RTM) This release is dedicated to the samples that ship for Microsoft SQL Server 2008R2. For many of these samples y...Microsoft SQL Server Product Samples: Scripts: SQL Server 2008R2 RTM: Microsoft SQL Server 2008R2 (RTM) This release is dedicated to the samples that ship for Microsoft SQL Server 2008R2. For many of these samples y...Microsoft SQL Server Product Samples: Service Broker: SQL Server 2008R2 RTM: Microsoft SQL Server 2008R2 (RTM) This release is dedicated to the samples that ship for Microsoft SQL Server 2008R2. For many of these samples y...Microsoft SQL Server Product Samples: XML: SQL Server 2008R2 RTM: Microsoft SQL Server 2008R2 (RTM) This release is dedicated to the samples that ship for Microsoft SQL Server 2008R2. For many of these samples y...NLog - Advanced .NET Logging: Nightly Build 2010.05.25.001: Changes since the last build:2010-05-24 23:08:47 Jarek Kowalski Fixed base constructor invocation to ensure consistency. Added tests for common wra...NTFS parser classes: NTFS parser lib 0.55: 0.55openrs: Revision 3: Things that have been added since last release: Vector expanding Dynamic vectors Vector put method chaining Basic ISAAC implementation Wor...Page Action Web Part for SharePoint 2007: Page Action Web Part v1.0.0.0: First release of the Page Action Web Part v1.0.0.0.Productivity Hub Solutions: Silverlight Bookshelf: The Silverlight Bookshelf component of the 2010 Productivity Hub provides 4 accordion-style vertical tabs dispalying Featured Video, Featured Conte...Productivity Hub Solutions: Silverlight Product Carousel: The Product Carousel Silverlight component provides a rich navigation experience to the home page of the 2010 Productivity Hub - presenting the pro...Rawr: Rawr 2.3.18: >Rawr3 Public Beta has been released! Click here for details.< - Fix for bug in parsing characters with certain abnormal characters in their data. ...Runtime Intelligence Data Visualizer: RI Data Visualizer Release 1: This release of the RI Data Visualizer contains both a WPF client that displays application usage data and a Silverlight client that displays featu...sGSHOPedit: sGSHOPedit v1.1a: Fixed: bug in parsing description from "itemextdesc.txt" Fixed: surface change event Fixed: range for numeric values Added: search featureSLManagers: SlManagers: 实现简单的组件动态下载 使用Mef技术Sudoku (Multiplayer in RnD): Sudoku (Multiplayer in RnD) 1.0.1.0 program: Sudoku project was to practice on C# by making a desktop application using some algorithm Idea: The basic idea of algorithm is from http://www.ac...Sudoku (Multiplayer in RnD): Sudoku (Multiplayer in RnD) 1.0.1.0 source: user-interface, multi-threading, formatting Sudoku project was to practice on C# by making a desktop application using some algorithm Idea: The...Tauck Public API: XML Package 1.0: Current Release of XML dataTeach.Net: Teach.Net 1.0 Alpha: First alpha version. It should work, but there's gonna be bugs. Also, no intellisense documentation (or any other sort of documentation) yet. I'm w...VCC: Latest build, v2.1.30525.0: Automatic drop of latest buildVista Media Center TCP/IP Controller: Win7 64 and 32 bit Alpha - button command fix: button command fix , button-play, button-pause, button-skip back, button-skip fwd. Confirmed works on x64. Has not been tested on x32XsltDb - DotNetNuke Module Universal Building Block: 01.01.21: ASP.NET controls TreeView and TextEditor usage Live demo site Attention This release requires DNN 5.2 or higher as it using Telerik classes.in...Most Popular ProjectsRawrWBFS ManagerAJAX Control ToolkitMicrosoft SQL Server Product Samples: DatabaseSilverlight ToolkitWindows Presentation Foundation (WPF)patterns & practices – Enterprise LibraryMicrosoft SQL Server Community & SamplesPHPExcelASP.NETMost Active ProjectsAStar.netpatterns & practices – Enterprise Librarypatterns & practices: Windows Azure Security GuidanceRawrSqlServerExtensionsMono.AddinsBlogEngine.NETGMap.NET - Great Maps for Windows Forms & PresentationCodeReviewCaliburn: An Application Framework for WPF and Silverlight

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  • CodePlex Daily Summary for Tuesday, February 01, 2011

    CodePlex Daily Summary for Tuesday, February 01, 2011Popular ReleasesWatchersNET CKEditor™ Provider for DotNetNuke®: CKEditor Provider 1.12.07: Whats New Added CKEditor 3.5.1 (Rev. 6398) - Whats New File Browser now List all Anchor on selected Dnn Page (Tab) changes File Browser now uses DNN Cache instead of HTTP Session for Authorization Using now Google Hosted CDN Versions of jQuery and jQuery-UI Scripts (Auto detects if needed http or https)Chemistry Add-in for Word: Chemistry Add-in for Word - Version 1.0: On February 1, 2011, we announced the availability of version 1 of the Chemistry Add-in for Word, as well as the assignment of the open source project to the Outercurve Foundation by Microsoft Research and the University of Cambridge. System RequirementsHardware RequirementsAny computer that can run Office 2007 or Office 2010. Software RequirementsYour computer must have the following software: Any version of Windows that can run Office 2007 or Office 2010, which includes Windows XP SP3 and...StyleCop for ReSharper: StyleCop for ReSharper 5.1.15005.000: Applied patch from rodpl for merging of stylecop setting files with settings in parent folder. Previous release: A considerable amount of work has gone into this release: Huge focus on performance around the violation scanning subsystem: - caching added to reduce IO operations around reading and merging of settings files - caching added to reduce creation of expensive objects Users should notice condsiderable perf boost and a decrease in memory usage. Bug Fixes: - StyleCop's new Objec...Minecraft Tools: Minecraft Topographical Survey 1.4: MTS requires version 4 of the .NET Framework - you must download it from Microsoft if you have not previously installed it. This version of MTS adds MCRegion support and fixes bugs that caused rendering to fail for some users. New in this version of MTS: Support for rendering worlds compressed with MCRegion Fixed rendering failure when encountering non-NBT files with the .dat extension Fixed rendering failure when encountering corrupt NBT files Minor GUI updates Note that the command...MVC Controls Toolkit: Mvc Controls Toolkit 0.8: Fixed the following bugs: *Variable name error in the jvascript file that prevented the use of the deleted item template of the Datagrid *Now after the changes applied to an item of the DataGrid are cancelled all input fields are reset to the very initial value they had. *Other minor bugs. Added: *This version is available both for MVC2, and MVC 3. The MVC 3 version has a release number of 0.85. This way one can install both version. *Client Validation support has been added to all control...Office Web.UI: Beta preview (Source): This is the first Beta. it includes full source code and all available controls. Some designers are not ready, and some features are not finalized allready (missing properties, draft styles) ThanksASP.net Ribbon: Version 2.2: This release brings some new controls (part of Office Web.UI). A few bugs are fixed and it includes the "auto resize" feature as you resize the window. (It can cause an infinite loop when the window is too reduced, it's why this release is not marked as "stable"). I will release more versions 2.3, 2.4... until V3 which will be the official launch of Office Web.UI. Both products will evolve at the same speed. Thanks.Barcode Rendering Framework: 2.1.1.0: Final release for VS2008 Finally fixed bugs with code 128 symbology.xUnit.net - Unit Testing for .NET: xUnit.net 1.7: xUnit.net release 1.7Build #1540 Important notes for Resharper users: Resharper support has been moved to the xUnit.net Contrib project. Important note for TestDriven.net users: If you are having issues running xUnit.net tests in TestDriven.net, especially on 64-bit Windows, we strongly recommend you upgrade to TD.NET version 3.0 or later. This release adds the following new features: Added support for ASP.NET MVC 3 Added Assert.Equal(double expected, double actual, int precision) Ad...DoddleReport - Automatic HTML/Excel/PDF Reporting: DoddleReport 1.0: DoddleReport will add automatic tabular-based reporting (HTML/PDF/Excel/etc) for any LINQ Query, IEnumerable, DataTable or SharePoint List For SharePoint integration please click Here PDF Reporting has been placed into a separate assembly because it requies AbcPdf http://www.websupergoo.com/download.htmSpark View Engine: Spark v1.5: Release Notes There have been a lot of minor changes going on since version 1.1, but most important to note are the major changes which include: Support for HTML5 "section" tag. Spark has now renamed its own section tag to "segment" instead to avoid clashes. You can still use "section" in a Spark sense for legacy support by specifying ParseSectionAsSegment = true if needed while you transition Bindings - this is a massive feature that further simplifies your views by giving you a powerful ...Marr DataMapper: Marr DataMapper 1.0.0 beta: First release.WPF Application Framework (WAF): WPF Application Framework (WAF) 2.0.0.3: Version: 2.0.0.3 (Milestone 3): This release contains the source code of the WPF Application Framework (WAF) and the sample applications. Requirements .NET Framework 4.0 (The package contains a solution file for Visual Studio 2010) The unit test projects require Visual Studio 2010 Professional Remark The sample applications are using Microsoft’s IoC container MEF. However, the WPF Application Framework (WAF) doesn’t force you to use the same IoC container in your application. You can use ...Rawr: Rawr 4.0.17 Beta: Rawr is now web-based. The link to use Rawr4 is: http://elitistjerks.com/rawr.phpThis is the Cataclysm Beta Release. More details can be found at the following link http://rawr.codeplex.com/Thread/View.aspx?ThreadId=237262 and on the Version Notes page: http://rawr.codeplex.com/wikipage?title=VersionNotes As of the 4.0.16 release, you can now also begin using the new Downloadable WPF version of Rawr!This is a pre-alpha release of the WPF version, there are likely to be a lot of issues. If you...Squiggle - A Free open source LAN Messenger: Squiggle 2.5 Beta: In this release following are the new features: Localization: Support for Arabic, French, German and Chinese (Simplified) Bridge: Connect two Squiggle nets across the WAN or different subnets Aliases: Special codes with special meaning can be embedded in message like (version),(datetime),(time),(date),(you),(me) Commands: cls, /exit, /offline, /online, /busy, /away, /main Sound notifications: Get audio alerts on contact online, message received, buzz Broadcast for group: You can ri...VivoSocial: VivoSocial 7.4.2: Version 7.4.2 of VivoSocial has been released. If you experienced any issues with the previous version, please update your modules to the 7.4.2 release and see if they persist. If you have any questions about this release, please post them in our Support forums. If you are experiencing a bug or would like to request a new feature, please submit it to our issue tracker. Web Controls * Updated Business Objects and added a new SQL Data Provider File. Groups * Fixed a security issue whe...PHP Manager for IIS: PHP Manager 1.1.1 for IIS 7: This is a minor release of PHP Manager for IIS 7. It contains all the functionality available in 56962 plus several bug fixes (see change list for more details). Also, this release includes Russian language support. SHA1 codes for the downloads are: PHPManagerForIIS-1.1.0-x86.msi - 6570B4A8AC8B5B776171C2BA0572C190F0900DE2 PHPManagerForIIS-1.1.0-x64.msi - 12EDE004EFEE57282EF11A8BAD1DC1ADFD66A654mojoPortal: 2.3.6.1: see release notes on mojoportal.com http://www.mojoportal.com/mojoportal-2361-released.aspx Note that we have separate deployment packages for .NET 3.5 and .NET 4.0 The deployment package downloads on this page are pre-compiled and ready for production deployment, they contain no C# source code. To download the source code see the Source Code Tab I recommend getting the latest source code using TortoiseHG, you can get the source code corresponding to this release here.Parallel Programming with Microsoft Visual C++: Drop 6 - Chapters 4 and 5: This is Drop 6. It includes: Drafts of the Preface, Introduction, Chapters 2-7, Appendix B & C and the glossary Sample code for chapters 2-7 and Appendix A & B. The new material we'd like feedback on is: Chapter 4 - Parallel Aggregation Chapter 5 - Futures The source code requires Visual Studio 2010 in order to run. There is a known bug in the A-Dash sample when the user attempts to cancel a parallel calculation. We are working to fix this.NodeXL: Network Overview, Discovery and Exploration for Excel: NodeXL Excel Template, version 1.0.1.160: The NodeXL Excel template displays a network graph using edge and vertex lists stored in an Excel 2007 or Excel 2010 workbook. What's NewThis release improves NodeXL's Twitter and Pajek features. See the Complete NodeXL Release History for details. Installation StepsFollow these steps to install and use the template: Download the Zip file. Unzip it into any folder. Use WinZip or a similar program, or just right-click the Zip file in Windows Explorer and select "Extract All." Close Ex...New Projectsabcdeffff: aaaaaaaaaaaaaaaaaaaaaaaaaaAutomating Variation: This project help you to automate the Site Variation in SharePoint 2010BAM Converter: DEMO Project showcasing several functionalities of Windows Phone 7 - Isolated Storage, Web Service Access, User Interface.cstgamebgs: Project for wp7DFS-Commands: A PowerShell module containing functions for manipulating Distributed File System (DFS). This allows admins to carry out DFS tasks using PowerShell without resorting to external commands such as dfsutil.exe, dfscmd.exe or modlink.exe.Disk Usage: Disk Usage is a small WPF tool to analyze the drive space on Windows. It can plot pie charts of the folder size. EPiServer Filtered Page Reference Properties: The EPiServer Filtered Page Reference properties provide you with the ability to restrict the pages in which an EPiServer can pick. The assembly once depoyed to your projects bin folder will add two new properties: -FilteredPageReferenceProperty -FilteredLinkCollectoinPropertyExample Ajax MVC address-book: This is an example application in PHP, using no framework but PHP only, utilizing MVC, SQLite, jQuery and Ajax. It is fully SOA. FlyMedia: FlyMedia is a simple music player written in C/C++ based on FMOD and Gdiplus. It aims to fly your media at a touch!Global String Formatter: The Global String Formatter library allows developers to deal with conditional string formatting in an elegant fashion. Developers specify a predicate and a corresponding string output function for each case of the formatting. The library plays well with DI frameworks.JS Mixer: JS Mixer is a simple UI over the YUI Compressor for .Net Library. It allows you to merge and minimize javascript files easily.LAPD: Lapd (Location and Attendance to Dependant People) make care-dependent people's life easier, improving the communication between their care providers and them. It is developed in C# over .NET Compact Framework 3.5motion10 SharePoint Twitter Status Notes Control: Change the normal SharePoint Status control to the motion10 SharePoint Twitter Status Notes Control and you can send your tweets to Twitter! Music TD: Music TD is a Tower Defence project by Cypress Falls High School programming team. It is our first game, made in XNA.OJDetective: a win32 project for detecting your submissons on OJOpalis System Center VMM Extended Integration Pack: A Opalis Integration Pack for VMM with extended Functions to the offical IP from Microsoft.Opalis Virsto Integration Pack: A Opalis Integration Pack for Managing VirstoOne Hyper-V Storage (http://www.virsto.com) Pimp My Wave: It will be both an open source implementation of Multiloader / Kies firmware flasher and modding tool like changing boot screens directly. RESTful Connector for SharePoint 2010: This is a reusable custom connector for Business Data Connectivity Serivces in SharePoint 2010. It uses a RESTful service as a data source and XPath to map the propeties.SCWS: SCWS - XML web service for Microsoft System Center Operations Manager (AKA SCOM / OpsMgr). Developed in C# and .Net 3.5 with Visual Studio 2010. Can be used to get information on MonitoringObjects and to control maintenance mode. Ideal for integration with SCCM / ConfigMgr.somelameaspstuff: see titleSQLMap: Projeto com um Atlas do Mundo e suas divisões, salvos em tabelas no SQL Server, usando o seu módulo SpatialStackOverflow Google Chrome extension: Shows StackOverflow and StackExchange questions in new tab window in your Google ChromeSupMoul: Moulinette pour noter les supTodayTodo: This is software for manage every day tasks (one todo list for day). Silverlight (OOB), NoSQL, FullText Search for all task history

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  • SWT Layout for absolute positioning with minimal-spanning composites

    - by pure.equal
    Hi, I'm writing a DND-editor where I can position elemtents (like buttons, images ...) freely via absolute positioning. Every element has a parent composite. These composites should span/grasp/embrace every element they contain. There can be two or more elements in the same composite and a composite can contain another composite. This image shows how it should look like. To achive this I wrote a custom layoutmanager: import org.eclipse.swt.SWT; import org.eclipse.swt.graphics.Point; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Control; import org.eclipse.swt.widgets.Layout; public class SpanLayout extends Layout { Point[] sizes; int calcedHeight, calcedWidth, calcedX, calcedY; Point[] positions; /* * (non-Javadoc) * * @see * org.eclipse.swt.widgets.Layout#computeSize(org.eclipse.swt.widgets.Composite * , int, int, boolean) * * A composite calls computeSize() on its associated layout to determine the * minimum size it should occupy, while still holding all its child controls * at their minimum sizes. */ @Override protected Point computeSize(Composite composite, int wHint, int hHint, boolean flushCache) { int width = wHint, height = hHint; if (wHint == SWT.DEFAULT) width = composite.getBounds().width; if (hHint == SWT.DEFAULT) height = composite.getBounds().height; return new Point(width, height); } /* * (non-Javadoc) * * @see * org.eclipse.swt.widgets.Layout#layout(org.eclipse.swt.widgets.Composite, * boolean) * * Calculates the positions and sizes for the children of the passed * Composite, then places them accordingly by calling setBounds() on each * one. */ @Override protected void layout(Composite composite, boolean flushCache) { Control children[] = composite.getChildren(); for (int i = 0; i < children.length; i++) { calcedX = calcX(children[i]); calcedY = calcY(children[i]); calcedHeight = calcHeight(children[i]) - calcedY; calcedWidth = calcWidth(children[i]) - calcedX; if (composite instanceof Composite) { calcedX = calcedX - composite.getLocation().x; calcedY = calcedY - composite.getLocation().y; } children[i].setBounds(calcedX, calcedY, calcedWidth, calcedHeight); } } private int calcHeight(Control control) { int maximum = 0; if (control instanceof Composite) { if (((Composite) control).getChildren().length > 0) { for (Control child : ((Composite) control).getChildren()) { int calculatedHeight = calcHeight(child); if (calculatedHeight > maximum) { maximum = calculatedHeight; } } return maximum; } } return control.computeSize(SWT.DEFAULT, SWT.DEFAULT, true).y + control.getLocation().y; } private int calcWidth(Control control) { int maximum = 0; if (control instanceof Composite) { if (((Composite) control).getChildren().length > 0) { for (Control child : ((Composite) control).getChildren()) { int calculatedWidth = calcWidth(child); if (calculatedWidth > maximum) { maximum = calculatedWidth; } } return maximum; } } return control.computeSize(SWT.DEFAULT, SWT.DEFAULT, true).x + control.getLocation().x; } private int calcX(Control control) { int minimum = Integer.MAX_VALUE; if (control instanceof Composite) { if (((Composite) control).getChildren().length > 0) { for (Control child : ((Composite) control).getChildren()) { int calculatedX = calcX(child); if (calculatedX < minimum) { minimum = calculatedX; } } return minimum; } } return control.getLocation().x; } private int calcY(Control control) { int minimum = Integer.MAX_VALUE; if (control instanceof Composite) { if (((Composite) control).getChildren().length > 0) { for (Control child : ((Composite) control).getChildren()) { int calculatedY = calcY(child); if (calculatedY < minimum) { minimum = calculatedY; } } return minimum; } } return control.getLocation().y; } } The problem with it is that it always positions the composite at the position (0,0). This is because it tries to change the absolute positioning into a relative one. Lets say I position a image at position (100,100) and one at (200,200). Then it has to calculate the location of the composite to be at (100,100) and spanning the one at (200,200). But as all child positions are relative to their parents I have to change the positions of the children to remove the 100px offset of the parent. When the layout gets updated it moves everything to the top-left corner (as seen in the image) because the position of the image is not (100,100) but (0,0) since I tried to remove the 100px offset of the partent. Where is my error in reasoning? Is this maybe a totally wrong approach? Is there maybe an other way to achive the desired behavior? Thanks in advance! Best regards, Ed

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  • Finding all the shortest paths between two nodes in unweighted directed graphs using BFS algorithm

    - by andra-isan
    Hi All, I am working on a problem that I need to find all the shortest path between two nodes in a given directed unweighted graph. I have used BFS algorithm to do the job, but unfortunately I can only print one shortest path not all of them, for example if they are 4 paths having lenght 3, my algorithm only prints the first one but I would like it to print all the four shortest paths. I was wondering in the following code, how should I change it so that all the shortest paths between two nodes could be printed out? class graphNode{ public: int id; string name; bool status; double weight;}; map<int, map<int,graphNode>* > graph; int Graph::BFS(graphNode &v, graphNode &w){ queue <int> q; map <int, int> map1; // this is to check if the node has been visited or not. std::string str= ""; map<int,int> inQ; // just to check that we do not insert the same iterm twice in the queue map <int, map<int, graphNode>* >::iterator pos; pos = graph.find(v.id); if(pos == graph.end()) { cout << v.id << " does not exists in the graph " <<endl; return 1; } int parents[graph.size()+1]; // this vector keeps track of the parents for the node parents[v.id] = -1; // there is a direct path between these two words, simply print that path as the shortest path if (findDirectEdge(v.id,w.id) == 1 ){ cout << " Shortest Path: " << v.id << " -> " << w.id << endl; return 1; } //if else{ int gn; map <int, map<int, graphNode>* >::iterator pos; q.push(v.id); inQ.insert(make_pair(v.id, v.id)); while (!q.empty()){ gn = q.front(); q.pop(); map<int, int>::iterator it; cout << " Popping: " << gn <<endl; map1.insert(make_pair(gn,gn)); //backtracing to print all the nodes if gn is the same as our target node such as w.id if (gn == w.id){ int current = w.id; cout << current << " - > "; while (current!=v.id){ current = parents[current]; cout << current << " -> "; } cout <<endl; } if ((pos = graph.find(gn)) == graph.end()) { cout << " pos is empty " <<endl; continue; } map<int, graphNode>* pn = pos->second; map<int, graphNode>::iterator p = pn->begin(); while(p != pn->end()) { map<int, int>::iterator it; //map1 keeps track of the visited nodes it = map1.find(p->first); graphNode gn1= p->second; if (it== map1.end()) { map<int, int>::iterator it1; //if the node already exits in the inQ, we do not insert it twice it1 = inQ.find(p->first); if (it1== inQ.end()){ parents[p->first] = gn; cout << " inserting " << p->first << " into the queue " <<endl; q.push(p->first); // add it to the queue } //if } //if p++; } //while } //while } I do appreciate all your great help Thanks, Andra

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  • CodePlex Daily Summary for Sunday, April 01, 2012

    CodePlex Daily Summary for Sunday, April 01, 2012Popular Releasesxyzzy+: April 1, 2012: SHA1: 6a07f0ed8d8006f26936a5bb45cf85405d8de8a4 WarningThis release is not for daily use, just for fun. keymaps are broken. (For example, C-g, #\TAB and #\RET will not work in minibuffer) dialogs are completely broken. Usual xyzzy+class lisp_object; typedef lisp_object *lisp; lsymbol *p = ldata <lsymbol, Tsymbol>::alloc (); Today's xyzzy+ref class lisp_object; typedef lisp_object ^lisp; lsymbol ^p = gcnew lsymbol (Tsymbol); PrerequisitesMicrosoft Visual C++ 2010 SP1 Redistributable Pack...VidCoder: 1.3.2: Added option for the minimum title length to scan. Added support to enable or disable LibDVDNav. Added option to prompt to delete source files after clearing successful completed items. Added option to disable remembering recent files and folders. Tweaked number box to only select all on a quick click.MJP's DirectX 11 Samples: Light Indexed Deferred Rendering: Implements light indexed deferred using per-tile light lists calculated in a compute shader, as well as a traditional deferred renderer that uses a compute shader for per-tile light culling and per-pixel shading.Extended WPF Toolkit: Extended WPF Toolkit - 1.6.0: Want an easier way to install the Extended WPF Toolkit?The Extended WPF Toolkit is available on Nuget. What's in the 1.6.0 Release?BusyIndicator ButtonSpinner Calculator CalculatorUpDown CheckListBox - Breaking Changes CheckComboBox - New Control ChildWindow CollectionEditor CollectionEditorDialog ColorCanvas ColorPicker DateTimePicker DateTimeUpDown DecimalUpDown DoubleUpDown DropDownButton IntegerUpDown Magnifier MaskedTextBox MessageBox MultiLineTex...ScriptIDE: Release 4.4: ...Media Companion: MC 3.434b Release: General This release should be the last beta for 3.4xx. If there are no major problems, by the end of the week it will upgraded to 3.500 Stable! The latest mc_com.exe should be included too! TV Bug fix - crash when using XBMC scraper for TV episodes. Bug fix - episode count update when adding new episodes. Bug fix - crash when actors name was missing. Enhanced TV scrape progress text. Enhancements made to missing episodes display. Movies Bug fix - hide "Play Trailer" when multisaev...Better Explorer: Better Explorer 2.0.0.831 Alpha: - A new release with: - many bugfixes - changed icon - added code for more failsafe registry usage on x64 systems - not needed regfix anymore - added ribbon shortcut keys - Other fixes Note: If you have problems opening system libraries, a suggestion was given to copy all of these libraries and then delete the originals. Thanks to Gaugamela for that! (see discussion here: 349015 ) Note2: I was upload again the setup due to missing file!LINQ Extensions Library: 1.0.2.7: Append and Prepend extensions (1.0.2.7) IndexOf extensions (1.0.2.7) New Align/Match extensions (1.0.2.6) Ready to use stable code with comprehensive unit tests and samples New Pivot extensions New Filter ExtensionsMonoGame - Write Once, Play Everywhere: MonoGame 2.5: The MonoGame team are pleased to announce that MonoGame v2.5 has been released. This release contains important bug fixes, implements optimisations and adds key features. MonoGame now has the capability to use OpenGLES 2.0 on Android and iOS devices, meaning it now supports custom shaders across mobile and desktop platforms. Also included in this release are native orientation animations on iOS devices and better Orientation support for Android. There have also been a lot of bug fixes since t...SQL Server Reporting Services MSBuild Tasks: Beta Release 1.1.15427: This update beta release base on feedback from a user. Also a coding error was corrected. The updates are as follows: Remove Redundant task: CreateDataSubscriptions. Updated CreateSubscriptions To handle both Subscriptions and Data-Driven Subscriptions. Also the change how the CreateSubscriptions works. If the report, for wihch if define for the subscription, already has subscription define then by default all the Subscriptions for that report are not deploy. This can be overr...Circuit Diagram: Circuit Diagram 2.0 Alpha 3: New in this release: Added components: Microcontroller Demultiplexer Flip & rotate components Open XML files from older versions of Circuit Diagram Text formatting for components New CDDX syntax Other fixesUmbraco CMS: Umbraco 5.1 CMS (Beta): Beta build for testing - please report issues at issues.umbraco.org (Latest uploaded: 5.1.0.123) What's new in 5.1? The full list of changes is on our http://progress.umbraco.org task tracking page. It shows items complete for 5.1, and 5.1 includes items for 5.0.1 and 5.0.2 listed there too. Here's two headline acts: Members5.1 adds support for backoffice editing of Members. We support the pairing up of our content type system in Hive with regular ASP.NET Membership providers (we ship a def...51Degrees.mobi - Mobile Device Detection and Redirection: 2.1.2.11: One Click Install from NuGet Changes to Version 2.1.2.11Code Changes 1. The project is now licenced under the Mozilla Public Licence 2. 2. User interface control and associated data access layer classes have been added to aid developers integrating 51Degrees.mobi into wider projects such as content management systems or web hosting management solutions. Use the following in a web form or user control to access these new UI components. <%@ Register Assembly="FiftyOne.Foundation" Namespace="...JSON Toolkit: JSON Toolkit 3.1: slight performance improvement (5% - 10%) new JsonException classPicturethrill: Version 2.3.28.0: Straightforward image selection. New clean UI look. Super stable. Simplified user experience.SQL Monitor - managing sql server performance: SQL Monitor 4.2 alpha 16: 1. finally fixed problem with logic fault checking for temporary table name... I really mean finally ...ScintillaNET: ScintillaNET 2.5: A slew of bug-fixes with a few new features sprinkled in. This release also upgrades the SciLexer and SciLexer64 DLLs to version 3.0.4. The official stuff: Issue # Title 32402 32402 27137 27137 31548 31548 30179 30179 24932 24932 29701 29701 31238 31238 26875 26875 30052 30052 Harness: Harness 2.0.2: change to .NET Framework Client Profile bug fix the download dialog auto answer. bug fix setFocus command. add "SendKeys" command. remove "closeAll" command. minor bugs fixed.BugNET Issue Tracker: BugNET 0.9.161: Below is a list of fixes in this release. Bug BGN-2092 - Link in Email "visit your profile" not functional BGN-2083 - Manager of bugnet can not edit project when it is not public BGN-2080 - clicking on a link in the project summary causes error (0.9.152.0) BGN-2070 - Missing Functionality On Feed.aspx BGN-2069 - Calendar View does not work BGN-2068 - Time tracking totals not ok BGN-2067 - Issues List Page Size Bug: Index was out of range. Must be non-negative and less than the si...YAF.NET (aka Yet Another Forum.NET): v1.9.6.1 RTW: v1.9.6.1 FINAL is .NET v4.0 ONLY v1.9.6.1 has: Performance Improvements .NET v4.0 improvements Improved FaceBook Integration KNOWN ISSUES WITH THIS RELEASE: ON INSTALL PLEASE DON'T CHECK "Upgrade BBCode Extensions...". More complete change list and discussion here: http://forum.yetanotherforum.net/yaf_postst14201_v1-9-6-1-RTW-Dated--3-26-2012.aspxNew Projects.NET Micro Framework - String Extensions: String Extension class library for .NET Micro Framework. This includes basic type conversion from 'byte' to 'string'.AGS: AGSAtlas Engine: Atlas is a game object-component engine using XNA 4 for Windows Phone 7.1. It is currently very early in it's development and is very much a work in progress.Cet Open Toolbox: Public repository for open sources projects brought to you by CET Electronics. Featuring .Net, .Net Micro Framework and several related technologies.ClassM: ClassM is an app that uses Metro Style for Windows 8. This application is intended to facilitate the management of classes taught by a teacher.CommandLineHelp: CommandLineHelp is a framework for simplifying the automated execution of command-line programs and saving their output.Conectayas: Conectayas is an open source "Connect Four" alike game but transformable to "Tic-Tac-Toe" and to a lot of similar games that uses mouse. Written in DHTML (JavaScript, CSS and HTML). Very configurable. This cross-platform and cross-browser game was tested under BeOS, Linux, *BSD, Windows and others.Crudo: CRUDO - The MCG (Model-Controller-Generator) CGF (Code Generation Framework) Visit The Project HomePage: http://adityayadav.com/CRUDO_The_MCG_Model_Controller_Generator_CGF_Code_Generation_Framework.aspx Licenses: 1) GPL v2 2) Commercial (contact us for information)Desafio Dot.Net: Projeto para o Desafio DotNetFurcadia Heimdall Tester: An application that helps Furcadia technicians test the integrity of the game server. It checks for availability of each heimdall, its connectivity to the rest of the system (horton/tribble) and how often it receives a user compared to the rest of them.GS1: D is a 2D game demo written in C++ and using an API : HAPI for the graphic part and the audio part. All the xml files are handled with tinyXML. It is a vertical scrolling shoot'em up where the player controls a dragon flying in Central Park.GS2: In Zombies, you are a wizard, the most powerful wizard in the world, and two days ago, the Devil forces began to attack our world. The only person capable of stopping them is you, this is why the Devil himself came to you and took your powers. You're now alone, without any weaponHeterogeneous Data Centre: The Heterogeneous Data Centre project supersedes the Materials Data Centre, a JISC-funded initiative to build an infrastructure for materials scientists and engineers to publish their experimental data online. The HDC can support data from any discipline, not just engineering.HJJM Adv. Database Project: Advanced database project for Hughes, Johnson, Johnson, and McShannon.Hundiyas: Hundiyas is an open source "Battleship" alike game totally written in DHTML (JavaScript, CSS and HTML) that uses mouse. This cross-platform and cross-browser game was tested under BeOS, Linux, *BSD, Windows and others.IpSpy: IpSpy is a Windows Service Application that checks External IP address and if it changed, IpSpy sends Email with new IP to specified email addressMake calculator in asp.net: create calculator in asp.netMarTech SharePoint Sandboxed Solutions: Microsoft SharePoint 2010 is missing some key functionalities to make sure SharePoint is easy to use. My Sandbox Solutions adds these missing functionalities and makes it easier for consultants to implement the wanted functionalities. By using sandboxed solutions no farm solution has to be installed and every site can have it own solutions. Sandbox solutions gives flexibility to the site administrator without disturbing the farm administrator and security risks.MDS Administration: Master Data Services Administrator. Compare MDS models from the same or different serversmicrostockUploader: Uploads multiple JPEG images with additional files (RAW, EPS) to multiple microstocks. Supports FTP resume. Supports buggy routers which drop FTP connection after some timeout.Min-Mang: A logical game implementation.Multiverse OS: A Cosmos based O.S.N2F Yverdon Database Helper: A class to aid in performing simple database queries within N2F Yverdon. Also provides the capability to store queries for later use.N2F Yverdon Scryle Manager: This extension will provide a way to manage javascript and stylesheet files for inclusion in your templates. Compression, combination and minification are included.OPSM: OPSM Miner & information projectPatternPro Regular Expression Engine: PatternPro RXE is a Regular Expression Engine coded entirely in C# that has some features not offered in the MS implementation. The PatterProRXE project also contains a multi-state text scanner that makes it easy to create multi-state text scanners and parsers.PinBeiWang: PinBeiWangProgram Options: Parse command line optionsrealestateanalytics: Analytics for real estateRegistrationManagement: registration management of our company using asp.netSchool Project 12: SchoolProject12SelfService: Simple self service projectSMVector3: Vector3 class implemented as float array or with SIMD instructions with the same interface so it is transparant whether you decide to use one version or another. You can also change version during the life cycle of the projects.SVNTAGWC - Tag a SVN working copy: SVNTAGWC will help users and configuration managers tag builds of their projects. It will automatically freeze all external revisions and add all unversioned files to a specified copy (or tag).WeiboImage: a weibo image projectweizhi: sina weibo readerWindows Media Autorization: Windows Media Autorizaton PlugIn for windows media 9 WinRtBehaviors: A project for WinRT Attached behaviorswpfPostgres: Started...ZLib: by zapline 278998871@qq.com???????????: ???????? «???????????», ???????????? ? ?????? ?????????????? ??????????? ???????? ?? C#. ???????? ?? C#.

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