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• How does a virtual machine work?

  - by Martin

  I've been looking into how programming languages work, and some of them have a so-called virtual machines. I understand that this is some form of emulation of the programming language within another programming language, and that it works like how a compiled language would be executed, with a stack. Did I get that right? With the proviso that I did, what bamboozles me is that many non-compiled languages allow variables with "liberal" type systems. In Python for example, I can write this: x = "Hello world!" x = 2**1000 Strings and big integers are completely unrelated and occupy different amounts of space in memory, so how can this code even be represented in a stack-based environment? What exactly happens here? Is x pointed to a new place on the stack and the old string data left unreferenced? Do these languages not use a stack? If not, how do they represent variables internally?

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• Microsoft BizTalk Server vNext (after 2009 R2) - Feature Request

  - by Saravana Kumar

  All, This post is not a question; it’s more of asking for feed back and future request. The product team is always looking for feed back to facilitate the future direction of the product. Some of us as BizTalk Server MVP’s/partners get that privilege to work with the product team closely to give our feedback regularly based on our real world experience. But I believe there is a much wider BizTalk community out there working on closed door project that tests the strength of the product to extreme levels. I would like those passionate people to come forward and put their feature request. Let’s use the power of StackOverflow to help us here. We can vote up and down on each feature request, and see what's going to top the chart. I hope this will be a useful exercise. Updated 24th Feb: If you got more than one request, please post it as separate answers. So, its easy to vote against them.

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• Insert string between two markers

  - by user275074

  I have a requirement to insert a string between two markers. Initially I get a sting (from a file stored on the server) between #DATA# and #END# using: function getStringBetweenStrings($string,$start,$end){ $startsAt=strpos($string,$start)+strlen($start); $endsAt=strpos($string,$end, $startsAt); return substr($string,$startsAt,$endsAt-$startsAt); } I do some processing and based on the details of the string, query for some records. If there are records I need to be able to append them at the end of the string and then re-insert the string between #DATA# and #END# within the file on the server. How can I best achieve this? Is it possible to insert a record at a time in the file before #END# or is it best to manipulate the string on the server and just re-insert over the existing string in the file on the server?

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• How to "smart resize" a displayed image to original aspect ratio

  - by Paul Sasik

  I have an application in which end-users can size and position images in a designer. Since the spec calls for the image to be "stretched" to the containing control, the end user can end up with an awkwardly stretched image. To help the user with image sizing I am thinking of implementing a smart resizer function which would allow the the user to easily fix the aspect ratio of the picture so that it no longer appears stretched. The quick way to solve this is to actually provide two options: 1) scale from width 2) scale from height. The user chooses the method and the algorithm adjusts the size of the picture by using the original aspect ratio. For example: A picture is displayed as 200x200 on the designer but the original image is 1024x768 pixels. The user chooses "Smart Size from width" and the new size becomes ~200x150 since the original aspect ratio is ~1.333 That's OK, but how could I make the algorithm smarter and not bother the user by asking which dimension the recalculation should be based on?

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• Render tooltip on disabled HTML Button.

  - by giulio

  I have a HTML button. I have tried to render a tooltip on it based on the "title" attribute of the button and it doesn't render. Mainly because it's disabled. I then tried wrapping the button in a span and setting the "title" attribute of the span. Hovering over the button that is wrapped in the span still has no effect. The tooltip will render on any other part of the span that is not part of the button tag. Like if i put some text in the span as well as the button, hovering over the text produces the tooltip, but if you hover over the button it will not render. So: how can I display a tooltip for a disabled button?

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• Session timeout issue

  - by Kumar

  I have a role based ASP.NET C# web application in which I am putting the menu object inside a session and I have a session timeout configured in the web.config as below: <forms defaultUrl="Home.aspx" loginUrl="Login.aspx" name=".ASPXFORMSAUTH" timeout="10"></forms> I first logged into the system as an employee and waited until the session expires and then when I click a link in the menu I am being rightly redirected to the login page with the ReturnUrl parameter. Now when I try to login to the system as an administrator I am still seeing the employee menu and not the admin menu. The method which loads the menu 1st checks to see if the menu session object is not null if so loads the menu from the session if not then it builds the menu and put it into session. So when the system timesout the menu session object is not being cleared. How can I fix this?

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• Determining actual args an Excel UDF was called with.

  - by Frederick

  I'm adding a user defined function to Excel with varargs-based signature in C++: XLFUNCTIONIMP(MyFunction)(...); When Excel calls MyFunction, it passes it 30 arguments regardless of how many the user entered in the sheet. The extraneous ones are blank strings. MyFunction, however, is designed to accept empty string arguments. As a result, I cannot tell valid empty strings apart from the extraneous ones sent by Excel. A solution could be to obtain the contents of the actual cell where the user entered the function. However, I can't find a way of doing that from within the implementation of my function. Could someone please suggest a way out?

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• Javascript and CSS Popups

  - by user183315

  Hi all, I've got a question about CSS based popup windows, like those generated by jQuery UI's dialog system, or Colorbox. If I use those (or something like them) to open a popup window to an HTML page and that page has Javascript in it, does the Javascript in the popup window run in its own context, or does it become part of the context of the Javascript in the parent window that opened it? I ask so that I can write the Javascript on both pages (parent and popup) so there is no namespace collision. Thanks in advance! Doug

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• server side Adobe AIR apps

  - by Robbie

  This might sound like a really stupid question, but is there anyway to run an Adobe AIR application in a headless server side mode on a non-UI server (i.e. Linux)? I'm trying to build server side bots to interact with an API (grapevinetalk.com) and I want to use existing code to do that without having to re-write all the data munging etc for a new application. The application I'm trying to port is essentially a jQuery based AIR desktop app that I want to reuse for server side interactions. I've tried Rhino with envjs.com, but am having some issues so am looking at alternatives. Thanks Robbie

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• iTunes Apple Events API

  - by jldupont

  I'd like to control iTunes through Objective-C ( I just can't get Python appscript installed correctly on my OS/X 10.6.3 system ... that would have been my first choice ). From what I gather, the IPC on Cocoa is based on Apple Events : is there either: Online documentation on iTunes / Apple Events API ? Instrospection mechanism to get to iTunes API? I know about Applescript Editor / Open Dictionary functionality but I can't figure out how to translate the information I see into IPC calls. Note: I have already tried working out a solution through PyObjC but the main function I am after is track searching which I can't figure out. Disclaimer: OS/X super-newbie here.

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• Ruby on Rails Join Table Associations

  - by Eef

  Hey, I have a Ruby on Rails application setup like so: User Model has_and_belongs_to_many :roles Role Model has_many :transactions has_and_belongs_to_many :users Transaction Model belongs_to :role This means that a join table is used called roles_users and it also means that a user can only see the transactions that have been assigned to them through roles, usage example: user = User.find(1) transactions = user.roles.first.transactions This will return the transactions which are associated with the first role assigned to the user. If a user has 2 roles assigned to them, at the moment to get the transactions associated with the second role I would do: transactions = user.roles.last.transactions I am basically trying to figure out a way to setup an association so I can grab the user's transactions via something like this based on the roles defined in the association between the user and roles: user = User.find(1) transactions = user.transactions I am not sure if this is possible? I hope you understand what I am trying to do.

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• Which is the best PDF library for PHP?

  - by Darryl Hein

  I'm wondering which is the best PDF creation library for PHP, mainly for creating PDFs from scratch (not as much HTML to PDF)? I have worked with FPDF for quite a while now, but it's getting quite old and hasn't had much for updates. I found TCPDF the other day (thanks you another question on SO). It seems very good and is based on FPDF so I don't think it'd be a big transition. FPDI also supports TCPDF which is nice as I have used it before and found it be useful. I have also seen DOMPDF but it too hasn't had many updates for quite some time and is lacking a lot of functionality for general PDF generation. Zend (Zend_Pdf) as well as many other libraries have their own PDF libraries or extend another one, but you often have to setup the entire library, which for existing projects can be a problem. What other libraries are there and what have your experiences with them been with the above or other libraries?

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• Make compiler copy characters using movsd

  - by Suma

  I would like to copy a relatively short sequence of memory (less than 1 KB, typically 2-200 bytes) in a time critical function. The best code for this on CPU side seems to be rep movsd. However I somehow cannot make my compiler to generate this code. I hoped (and I vaguely remember seeing so) using memcpy would do this using compiler built-in instrinsic, but based on disassembly and debugging it seems compiler is using call to memcpy/memmove library implementation instead. I also hoped the compiler might be smart enough to recognize following loop and use rep movsd on its own, but it seems it does not. char *dst; const char *src; // ... for (int r=size; --r>=0; ) *dst++ = *src++; Is there some way to make the Visual Studio compiler to generate rep movsd sequence other than using inline assembly?

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• comparator with null values.

  - by pvgoddijn

  Hi, We have some code wich sorts a list of addresses based on the distance between their coordinates. this is done through collections.sort with a custom comparator. However from time to time an adress without coordinates is in the list causing a NullPointerException. My initial idea to fix this was to have the comparator return 0 as dististance for addresses where at least one of the coordinates is null. I fear this might lead to corruption of the order the 'valid' elements in the list. so is returning a '0' values for null data in a comparator ok, or is there a cleaner way to resolve this.

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• problem with adding tool bar to UITableView

  - by chnet

  I'm writing a Navigation-Based iPhone app, and I'd like to have a UIToolBar docked at the bottom of my screen, with a UITableView scrolling between the tool bar and the navigation bar. I used [[self navigationController] setToolbarHidden:NO] and - (void)setToolbarItems:(NSArray *)toolbarItems animated:(BOOL)animated to set the UIToolBar. UIToolBar correctly shows in current view. If I drill down into a detail view using the button on navigation bar, i cannot return back to previous view. Before I add the tool bar, it can return back. I am wondering is there anything else should be noted when use UIToolbar?

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• How does Alpha Five Version 10 Rate for Web App Development

  - by Gary B2312321321

  I came across this RDMS via the advert on stackoverflow. Seems to be in the vein of MS Access / Filemaker / Apex database development tools but focused on web based applications. It quotes rave reviews from EWeek and a favourable mention from Dr Dobbs regarding its ability to create AJAX web applications without coding. The Eweek review, apparently written by an ASP.NET programmer, goes on to proclaim the ease at which apps can be extended using the inbuilt XBasic language and how custom javascript can easily be added without wading through code. Has anyone here built a web app with Alpha 5? Does anyone have comments on the development process, the speed of it or limitations they encountered along the way? To me it seems Oracle APEX comes closest to the feature set, has anyone programmed in both and have any comments?

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• debug javascript in release mode with yui compressions

  - by mickyjtwin

  In our build scripts, we are using YUI compressor to minify/compress javascript and css files. As this combines the js into one file, it needs to be referenced in the Master Layout script, e.g. First question is what is best way to use both, so that if we are developing (in debug mode) it will reference each js file individually? Second question, is once on production, would there be any steps/solution to debugging the javascript on the production server, i.e. conditionallly load the javascript files based on setting a "debug=true" setting in either js or .net?

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• Content type with workflow and lookup column

  - by Sachin

  Hi All, I have a requirment where I want to upload a document based on category and subcategory. I have added this columns as an lookup column which pulls data from category and subcategory list. Now want the document should be passed from series of approval so I have attached SharePoint out of the box Approval workflow to this document library. Now I want to create a content type which contains these two lookup column and approval workflow. So that I can user these setting for rest of the document library. Can any one tell me how to create a content type with workflow and lookup column. Thanks in advance Sachin

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• HTML text-area editor for code that traps TAB key

  - by Cristi Cotovan

  Hello, I have looked for months now, for JavaScript-based HTML editor I can embed onto my web pages to replace a TEXTAREA, but to enable me to edit CODE in a friendly, closer to a real editor, way. All editors I've tried (RadEditor from Telerik, FCKEditor, TinyMCE, etc etc), do not trap the TAB key, very useful when editing HTML code onto a page, to help format the code properly. I'm not talking about syntax highlighting, as that would be an awesome plus. But I am mainly wondering if there is such an editor. I'd appreciate being pointed in the right direction.

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• Regex - Modifying strings except in specified enclosures - PHP

  - by Kovo

  I have found similar answers to my current needs on SO, however I am still trying to grasp modifying strings based on a rule, except in certain enclosures within those strings. Example of what Im trying to accomplish now: preg_replace("/\s*,\s*/", ",", $text) I found the above in many places. It will remove spaces before and after all commas in a string. That works great. However, if I want to exclude modifying commas found within " ", I am not sure how that rule has to be modified. Any help? Thanks! EDIT: I want to clarify my question: I would like all whitespace before and after the commas in the following sentence removed, except commas found in double or single quotes: a, b , c "d, e f g , " , h i j ,k lm,nop Expected result: a,b,c "d, e f g , ",h i j,k lm,nop

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• Core Location question....

  - by Moshe

  This tutorial on mobileorchard.com uses 2 classes (or 2 sets of .h and .m) to implement core location. Can I just use everything there in my existing class? How would I do that? Also, is the - (id) init { self = [super init]; if (self != nil) { self.locationManager = [[[CLLocationManager alloc] init] autorelease]; self.locationManager.delegate = self; // send loc updates to myself } return self; } method the same as the usual initWithNib? I;m trying to quickly implement something based on location information. As much help describing the above linked tutorial would be helpful. Thanks. No - really, Thank You.

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• Android - Convert Color Resource to Color in Domain Object

  - by Steve

  I have a domain object, where I created a method to return a text color based on the internal state of the domain object. I have defined the colors in a color.xml file as resources. The problem I have now, is that I would like to return a Color object instead of a resource ID from the domain object method. This way I can set the text color of a TextView by just calling textView.setTextColor(domainObj.getTextColor()) since it expects a Color object and not a resource ID. Currently, in an Activity, I can call getResources().getColor(domainObj.getTextColorResource()) to convert a resource ID to a color, but I would like this done in the domain object and I am not sure how I would do this when I do not have access to the getResources method. Are there any cleaner options than passing in a Resource object into the method, or domain object? Thanks

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• CodePlex Daily Summary for Tuesday, August 21, 2012

  CodePlex Daily Summary for Tuesday, August 21, 2012Popular ReleasesResX Resource Manager: 1.0.0.1 Visual Studio Extension: Fix: truncated version in VSIX manifest leads to permanent update notifications.MFCMAPI: August 2012 Release: Build: 15.0.0.1035 Full release notes at SGriffin's blog. If you just want to run the MFCMAPI or MrMAPI, get the executables. If you want to debug them, get the symbol files and the source. The 64 bit builds will only work on a machine with Outlook 2010 64 bit installed. All other machines should use the 32 bit builds, regardless of the operating system. Facebook BadgeDocument.Editor: 2013.2: Whats new for Document.Editor 2013.2: New save as Html document Improved Traslate support Minor Bug Fix's, improvements and speed upsSharePoint Dynamic Forms: Version 1.0: Version 1.0 of SharePoint Dynamic Forms Includes 1. List Based Rendering 2. Template Based Rendering 2.1 Supports extensive field validation types including String, Date, Comparison, Content Length, regex etc. 2.2 Support for cross field comparison validation. 2.3 Data entry option for a user who doesn’t have write permission to a list. 2.4 Option to extend the web part by overriding form submission event. 2.5 Option to cancel the form submission and provide custom notification message. 2.6 ...Pulse: Pulse Beta 5: Whats new in this release? Well to start with we now have Wallbase.cc Authentication! so you can access favorites or NSFW. This version requires .NET 4.0, you probably already have it, but if you don't it's a free and easy download from Microsoft. Pulse can bet set to start on Windows startup now too. The Wallpaper setter has settings now, so you can change the background color of the desktop and the Picture Position (Tile/Center/Fill/etc...) I've switched to Windows Forms instead of WPF...HydroDesktop - CUAHSI Hydrologic Information System Desktop Application: 1.5.5 Experimental Release: This is HydroDesktop 1.5.5 Experimental Release We are targeting for a 1.5 Stable Release in August 2012. This experimental version has been published for testing. New Features in 1.5 Time Series Data Import Improved performance of table, graph and edit views Support for online sample project packages (sharing data and analyses) More detailed display of time series metadata Improved extension manager (uninstall extensions, choose extension source) Improved attribute table editor (supports fi...Metro Paint: Metro Paint: Download it now , don't forget to give feedback to me at maitreyavyas@live.com or at my facebook page fb.com/maitreyavyas , Hope you enjoy it.MiniTwitter: 1.80: MiniTwitter 1.80 ???? ?? .NET Framework 4.5 ?????? ?? .NET Framework 4.5 ????????????? "&" ??????????????????? ???????????????????????? 2 ??????????? ReTweet ?????????????????、In reply to ?????????????? URL ???????????? ??????????????????????????????Droid Explorer: Droid Explorer 0.8.8.6 Beta: Device images are now pulled from DroidExplorer Cloud Service refined some issues with the usage statistics Added a method to get the first available value from a list of property names DroidExplorer.Configuration no longer depends on DroidExplorer.Core.UI (it is actually the other way now) fix to the bootstraper to only try to delete the SDK if it is a "local" sdk, not an existing. no longer support the "local" sdk, you must now select an existing SDK checks for sdk if it was ins...Path Copy Copy: 11.0.1: Bugfix release that corrects the following issue: 11365 If you are using Path Copy Copy in a network environment and use the UNC path commands, it is recommended that you upgrade to this version.ExtAspNet: ExtAspNet v3.1.9: +2012-08-18 v3.1.9 -??other/addtab.aspx???JS???BoundField??Tooltip???（Dennis_Liu）。 +??Window?GetShowReference???????????????（︶????、????、???、??~）。 -?????JavaScript?????，??????HTML????????。 -??HtmlNodeBuilder????????????????JavaScript??。 -??????WindowField、LinkButton、HyperLink????????????????????????????。 -???????????grid/griddynamiccolumns2.aspx（?????）。 -?????Type??Reset?????，??????????????????（e??）。 -?????????????????????。 -?????????int,short,double??????????（???）。 +?Window????Ge...AcDown????? - AcDown Downloader Framework: AcDown????? v4.0.1: ?? ●AcDown??????????、??、??????。????，????，?????????????????????????。???????????Acfun、????(Bilibili)、??、??、YouTube、??、???、??????、SF????、????????????。 ●??????AcPlay?????，??????、????????????????。 ● AcDown??????????????????，????????????????????????????。 ● AcDown???????C#??，????.NET Framework 2.0??。?????"Acfun?????"。 ????32??64? Windows XP/Vista/7/8 ??：????????Windows XP???,?????????.NET Framework 2.0???(x86)，?????"?????????"??? ??????????????，??????????： ??"AcDown?????"????????? ...Fluent Validation for .NET: 3.4: Changes since 3.3: Make ValidationResut.IsValid virtual Add private no-arg ctor to ValidationFailure to help with serialization Add Turkish error messages Work-around for reflection bug in .NET 4.5 that caused VerificationExceptions Assemblies are now unsigned to ease with versioning/upgrades (especially where other frameworks depend on FV) (Note if you need signed assemblies then you can use the following NuGet packages: FluentValidation-signed, FluentValidation.MVC3-signed, FluentV...DotNetNuke® Feedback: 06.02.01: Official Release - 17th August 2012 Please look at the Release Notes file included in the module packages or available on this page as a separate download for a listing of the bug fixes and enhancements found in this version. NOTE: Feedback v 06.02.00 REQUIRES a minimum DotNetNuke framework version of 06.02.00 as well as ASP.Net 3.5 SP1 and MS SQL Server 2005 or 2008 (Express or standard versions). This release brings some enhancements to the module as well as fixing all known bugs. Bug Fi...AssaultCube Reloaded: 2.5.3 Unnamed Fixed: If you are using deltas, download 2.5.2 first, then overwrite with the delta packages. Linux has Ubuntu 11.10 32-bit precompiled binaries and Ubuntu 10.10 64-bit precompiled binaries, but you can compile your own as it also contains the source. If you are using Mac or other operating systems, please wait while we try to package for those OSes. Try to compile it. If it fails, download a virtual machine. The server pack is ready for both Windows and Linux, but you might need to compile your ...Coding4Fun Tools: Coding4Fun.Phone.Toolkit v1.6.1: Bug Fix release Bug Fixes Better support for transparent images IsFrozen respected if not bound to corrected deadlock stateWPF Application Framework (WAF): WPF Application Framework (WAF) 2.5.0.7: Version: 2.5.0.7 (Milestone 7): 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 Changelog Legend: [B] Breaking change; [O] Marked member as obsolete WAF: Add CollectionHelper.GetNextElementOrDefault method. InfoMan: Support creating a new email and saving it in the Send b...myCollections: Version 2.2.3.0: New in this version : Added setup package. Added Amazon Spain for Apps, Books, Games, Movie, Music, Nds and Tvshow. Added TVDB Spain for Tvshow. Added TMDB Spain for Movies. Added Auto rename files from title. Added more filters when adding files (vob,mpls,ifo...) Improve Books author and Music Artist Credits. Rewrite find duplicates for better performance. You can now add Custom link to items. You can now add type directly from the type list using right mouse button. Bug ...Player Framework by Microsoft: Player Framework for Windows 8 Preview 5 (Refresh): Support for Windows 8 and Visual Studio RTM Support for Smooth Streaming SDK beta 2 Support for live playback New bitrate meter and SD/HD indicators Auto smooth streaming track restriction for snapped mode to conserve bandwidth New "Go Live" button and SeekToLive API Support for offset start times Support for Live position unique from end time Support for multiple audio streams (smooth and progressive content) Improved intellisense in JS version NEW TO PREVIEW 5 REFRESH:Req...TFS Workbench: TFS Workbench v2.2.0.10: Compiled installers for TFS Workbench 2.2.0.10 Bug Fix Fixed bug that stopped the change workspace action from working.New ProjectsAdaptive modeling interface: Ami will be a framework to simplify scientific model development. Keywords: Modeling, C#AlphaDogDemo: A simple XNA gameDnf: Dnf??eProjectSem3: beginFluentGUI: A Silverlight library that enables composition of a type safe Graphical User Interface.Frontrader-IB: Financial test applicationHART Analyzer: HART Analyzer is a tool to monitor the HART protocol between field devices and your PC. It used Hart Communication Protocol Lite for the communication.Hybrid.Net - Light-weight GPU Computing for .NET: Hybrid.Net enables .NET developers to harness the power of GPUs for data- and compute-intense applications using the simple well-known construct: Parallel.ForLoggerz- A .Net Error Logging framework: A new and hopefully exciting error logging framework that will integrate nicely into any windows/web application. MakersEngine: World of Warcraft Emulator Compiling SoftwareMetro Paint: This is Metro Paint app which is a modern ui app for Windows 8 . To test it in your system you will need Visual Studio Express for Windows 8. Hope you love it.mojomo, a modular design framework for mojoPortal CMS: Mojomo is a modular, front end design framework for mojoPortal CMS. My CSharp reminders: Several simple code examples in C #, used as reminders for my future development in C #.MYCoding Codes: anyone can tell me about this?MyExample: testMyGit: my git source libraryNWebsec: NWebsec is a security library for ASP.NET applications. It's built on the philosophy that security should be simple and maintainable.Private cloud DMS: Cloud document management system with workflow support. Free essential version is destined for small companies or any user groups.proEx: just a testQuantoSharp: A Financial Quant library implemented in C# completely to showcase the power of mathematics and its application, aimed for educational purposes only.SharePoint SlideShow: Sharepoint SlideShow customizable webpart in sharepoint 2010. Slideshow from SP 2010 picture library using jquery. Please leave comments about the project.Tool army building for battle: Helper application to build army list for Warhammer BattleWinRT XAML Calendar: WinRT XAML Calendar control ported from the Silverlight Toolkit's Calendar control for Silverlight 4.????: ????? ??? ???? ??? ?????? ?????. ???? so.cl? ???? API? ???? ????? ????! ? ????? ???? ???? ????. ???? ????!..

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• how to copy a dictionary in python 3.1 and edit ONLY the copy

  - by MadSc13ntist

  can someone please explain this to me??? this doesn't make any sense to me.... I copy a dictionary into another and edit the second and both are changed???? ActivePython 3.1.0.1 (ActiveState Software Inc.) based on Python 3.1 (r31:73572, Jun 28 2009, 19:55:39) [MSC v.1500 32 bit (Intel)] on win32 Type "help", "copyright", "credits" or "license" for more information. dict1 = {"key1":"value1", "key2":"value2"} dict2 = dict1 dict2 {'key2': 'value2', 'key1': 'value1'} dict2["key2"] = "WHY?!?!?!!?!?!?!" dict1 {'key2': 'WHY?!?!?!!?!?!?!', 'key1': 'value1'}

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• SSRS: Report loading external images, image not found, can I hide the image control

  - by Nauman

  My SSRS report loads logo images for each customer from a customer number specific folder on the report server. I write an expression, to form my URL to the image based on th customer number. ..."http://localhost/images/" + iCustomerNumber.ToString() + "/logo.gif" I am able to get this working, but the problem I face is, when a particular customer doesn't has an image, then my report shows a red X mark in place of the logo. In this case, I expect to hide the image control itself. Any thoughts???? The other dirty solution will be to ensure that each customer specific folder has the designated image! even if there is no logo for a customer, I'll place a blank.gif or a spacer.gif of probably a square pixel in dimension!.

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