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  • iOS 5.0 AVAudioPlayer Error loading audio clip: The operation couldn’t be completed. (OSStatus error -50.)

    - by Jason Catudal
    So I'm trying to test out the audio player on the iPhone, and I went off Troy Brant's iOS book. I have the Core Audio, Core Foundation, AudioToolbox, and AVFoundation frameworks added to my project. The error message I get is in the subject field. I read like 20 pages of Google search results before resorting to asking here! /sigh. Thanks if you can help. Here's my code, pretty much verbatim out of his book: NSString *soundFilePath = [[NSBundle mainBundle] pathForResource:@"Yonah" ofType:@"caf"]; NSLog(@"%@", soundFilePath); NSURL *fileURL = [NSURL URLWithString:soundFilePath]; NSError *error; audioPlayer = [[AVAudioPlayer alloc] initWithContentsOfURL:fileURL error:&error]; if (!error) { audioPlayer.delegate = self; //audioPlayer.numberOfLoops = -1; [audioPlayer play]; } else { NSLog(@"Error loading audio clip: %@", [error localizedDescription]); } EDIT: Holy Shinto. I figured out what it was. I changed NSURL *fileURL = [NSURL URLWithString:soundFilePath]; to NSURL *fileURL = [NSURL fileURLWithPath:soundFilePath]; to the latter and I was getting a weird error, weirder than the one in the subject BUT I googled that and I changed my OS input device from my webcam to my internal microphone and guess what, it worked under the fileURLWithPath method. I'll be. Damned.

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  • UIPageControl in a ITableViewCell gets shoved to the top left corner

    - by Danny Tuppeny
    I'm trying to put a UIPageControl inside a cell (there's nothing else in the cell), but I have two problems: The dots are aligned at the top-left of the cell, so you only see the bottom-right quarter of the first dot, and the bottom half of the other dots (like the first dots center is 0, 0). Unless you tab the cell to select it (goes blue), you can't see the dots at all. Other controls I've put into a cell have filled the whole area as wanted. How do I tell the UIPageControl to fill the whole cell (and align in the middle) How do I change the colours so the dots can be seen? I tried calling [pageControl setBackgroundColor] but it didn't seem to do anything. Here's the code I'm using: // Create a page control UIPageControl *pageControl = [[[UIPageControl alloc] init] autorelease]; // Set the number of pages to match the images [pageControl setNumberOfPages:[imageFilenames count]]; [pageControl setCurrentPage:1]; // Create the cell and add the paging control UITableViewCell *cell = [self getCell:tableView withIdentifier:@"ImagePager"]; [cell addSubview:pageControl]; //[[cell textLabel] setText:@"ADD PAGING CONTROL"]; return cell;

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  • django-mptt fields showing up twice, breaking SQL

    - by Dominic Rodger
    I'm using django-mptt to manage a simple CMS, with a model called Page, which looks like this (most presumably irrelevant fields removed): class Page(mptt.Model, BaseModel): title = models.CharField(max_length = 20) slug = AutoSlugField(populate_from = 'title') contents = models.TextField() parent = models.ForeignKey('self', null=True, blank=True, related_name='children', help_text = u'The page this page lives under.') removed fields are called attachments, headline_image, nav_override, and published All works fine using SQLite, but when I use MySQL and try and add a Page using the admin (or using ModelForms and the save() method), I get this: ProgrammingError at /admin/mycms/page/add/ (1110, "Column 'level' specified twice") where the SQL generated is: 'INSERT INTO `kaleo_page` (`title`, `slug`, `contents`, `nav_override`, `parent_id`, `published`, `headline_image_id`, `lft`, `rght`, `tree_id`, `level`, `lft`, `rght`, `tree_id`, `level`) VALUES (%s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s, %s)' for some reason I'm getting the django-mptt fields (lft, rght, tree_id and level) twice. It works in SQLite presumably because SQLite is more forgiving about what it accepts than MySQL. get_all_field_names() also shows them twice: >>> Page._meta.get_all_field_names() ['attachments', 'children', 'contents', 'headline_image', 'id', 'level', 'lft', 'nav_override', 'parent', 'published', 'rght', 'slug', 'title', 'tree_id'] Which is presumably why the SQL is bad. What could I have done that would result in those fields appearing twice in get_all_field_names()?

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  • establishing a socket connection from iPhone to MAC/PC

    - by user319572
    Hello, I just started getting into XCode and Co. What I am trying is to send accelerometer data via WLAN to a PC or MAC over a Socket connection. I am trying at the moment with the iPhone simulator, on the other site a netbook with a JAVA program shall receive a test string for starters. Unfortunately my socket will not initialize. What am I doing wrong? NSString *recStr = @"192.168.0.5"; //String with receiver IP NSHost *hoster = [NSHost hostWithName:recStr]; //create a host NSOutputStream *sendData; //create an output stream [NSStream getStreamsToHost:hoster port:8000 inputStream:nil outputStream:&sendData]; [sendData retain]; [sendData setDelegate:self]; [sendData open]; A warning says NSStream may not respond to '+getStreamsToHost:inputSream:outputStream:' So I guess parameters are wrong. But why and how to do it right? The program starts but I don't think I can send anything as long as this warning shows up (have not tried though). Thank you in advance, Andreas

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  • Restarting explorer from a batch file only opens an explorer window

    - by Ben Hooper
    In one part of a batch file (kind of), I need to restart Explorer. I use the following method to accomplish this: taskkill /f /im explorer.exe >nul explorer.exe :: I have also tried: %winDir%\explorer.exe :: start %winDir%\explorer.exe :: start /b %winDir%\explorer.exe :: start /d %winDir%\explorer.exe (as suggested by panda-34) :: :: I've even tried delaying the above commands with: ping localhost -n 11 >nul Then this happens: explorer.exe is successfully terminated (denoted by the lack of taskbar and desktop) An explorer window opens, which I am left with indefinitely (see Image 1) I can only then restart explorer by manually starting a new process from Task Manager (Win + R doesn't respond), even though explorer.exe is actually already in the process list, strangely enough.. (see Image 2)   Now, I say "kind of" as I'm running the batch file from a self-executing SFX archive, created with WinRAR. When executed, the contents of the archive are extracted to %temp% and a user-defined bootstrapper (in this case, my batch file) is run upon successful extraction. The strangest thing about it, though, is that if you manually extract the contents of the archive and run the batch file then explorer restarts correctly. It only ever glitches when called from an SFX. I'm experiencing this glitch on Windows 7 x64.   Link to an SFX archive demonstrating this, if anyone wants it: https://dl.dropbox.com/u/27573003/Social%20Distribution/restart-explorer.exe Image 1: Image 2:

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  • Jeditable Datepicker onblur problem

    - by Shobha Deepthi
    Hi, I am using inline editing using Jeditable and datepicker. I have a column in my table which displays Date as a hyperlink. When I click on this it shows me the datepicker. And when a particular date is selected its updated in the backend and the cell now is updated with the changed value. However, am having problem with onblur event while changing month or years. This event gets triggered when I click on "Prev" or "Next" buttons on the datepicker control. This causes an exception when the date is selected. This works fine as long as the date selected is in the current month. I tried all possible solutions listed here: stackoverflow.com/questions/2007205/jeditable-datepicker-causing-blur-when-changing-month If settimeout the control does not change back to a normal hyperlink on closing the datepicker or on a true onblur event. Here's my code, $.editable.addInputType('datepicker', { element : function(settings, original) { var input = $(''); if (settings.width != 'none') { input.width(settings.width); } if (settings.height != 'none') { input.height(settings.height); } input.attr('autocomplete','off'); $(this).append(input); return(input); }, plugin : function(settings, original) { var form = this; settings.onblur = function(e) { t = setTimeout(function() { original.reset.apply(form, [settings, self]); }, 100); }; $(this).find('input').datepicker({ changeMonth: true, changeYear: true, dateFormat: 'dd-M-y', closeAtTop: true, onSelect: function(dateText) { $(this).hide(); $(form).trigger('submit'); } }); }, submit : function(settings, original) { } }); $(function() { $('.edit_eta').editable('update_must_fix_eta.php', { id: 'bugid', name: 'eta', type: 'datepicker', event: 'click', select : true, width: '50px', onblur:'cancel', cssclass : 'editable', indicator : 'Updating ETA, please wait.', style : 'inherit', submitdata:{version:'4.2(4)',tag:'REL_4_2_4',qstr:1} }); }); I tried hacking jeditable.js as mentioned on this link: http://groups.google.com/group/jquery-dev/browse_thread/thread/265340ea692a2f47 Even this does not help. Any help is appreciated.

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  • pulling an UIImage from a UITextView or UILabel gives white image

    - by user293139
    Hello all, I need to grab an UIImage from a UITextView or UILabel. I've got a method that will pull an image successfully from other types of views ( [UIViewController view], MKMapView, UIButtons) but I am just getting a white rect for my UITextView. I've been banging my head against the wall for a while and suspect something really, really basic. many thanks! @interface TaskAccomplishmentViewController : UIViewController { MKMapView *mapView; UILabel *timeLeftText; UITextView *challengeText; UIButton *successButton; -(void) setChallangeImageToImageFromChallenge { // works // [currChallenge setChallengeImage:[UIImageUtils grabImageFromView:mapView]]; // [currChallenge setChallengeImage:[UIImageUtils grabImageFromView:[self view]]]; // [currChallenge setChallengeImage:[UIImageUtils grabImageFromView:successButton]]; //doesn't work // [currChallenge setChallengeImage:[UIImageUtils grabImageFromView:timeLeftText]]; [currChallenge setChallengeImage:[UIImageUtils grabImageFromView:challengeText]]; } and the grabImage from a UIView code +(UIImage *)grabImageFromView: (UIView *) viewToGrab { UIGraphicsBeginImageContext(viewToGrab.bounds.size); [[viewToGrab layer] renderInContext:UIGraphicsGetCurrentContext()]; UIImage *viewImage = UIGraphicsGetImageFromCurrentImageContext(); UIGraphicsEndImageContext(); return viewImage; }

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  • Taking "do the simplest thing that could possible work" too far in TDD: testing for a file-name kno

    - by Support - multilanguage SO
    For TDD you have to Create a test that fail Do the simplest thing that could possible work to pass the test Add more variants of the test and repeat Refactor when a pattern emerge With this approach you're supposing to cover all the cases ( that comes to my mind at least) but I'm wonder if am I being too strict here and if it is possible to "think ahead" some scenarios instead of simple discover them. For instance, I'm processing a file and if it doesn't conform to a certain format I am to throw an InvalidFormatException So my first test was: @Test void testFormat(){ // empty doesn't do anything nor throw anything processor.validate("empty.txt"); try { processor.validate("invalid.txt"); assert false: "Should have thrown InvalidFormatException"; } catch( InvalidFormatException ife ) { assert "Invalid format".equals( ife.getMessage() ); } } I run it and it fails because it doesn't throw an exception. So the next thing that comes to my mind is: "Do the simplest thing that could possible work", so I : public void validate( String fileName ) throws InvalidFormatException { if(fileName.equals("invalid.txt") { throw new InvalidFormatException("Invalid format"); } } Doh!! ( although the real code is a bit more complicated, I found my self doing something like this several times ) I know that I have to eventually add another file name and other test that would make this approach impractical and that would force me to refactor to something that makes sense ( which if I understood correctly is the point of TDD, to discover the patterns the usage unveils ) but: Q: am I taking too literal the "Do the simplest thing..." stuff?

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  • Sqlite3 query in objective c

    - by user271753
    -(IBAction)ButtonPressed:(id)sender { const char *sql = "SELECT AccessCode FROM UserAccess"; NSString *sqlns; sqlns = [NSString stringWithUTF8String:sql]; if([Password.text isEqual:sqlns]) { NSLog(@"Correct"); } else { NSLog(@"Wrong"); } NSLog(@"%@",sqlns); } Noob here , At NSLog I am able to print "SELECT AccessCode FROM UserAccess" where as let say the access code is 1234 , which I want . In the appdelegate I Have : /// - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { // Override point for customization after app launch [self createEditableCopyOfDatabaseIfNeeded]; [window addSubview:viewController.view]; [window makeKeyAndVisible]; return YES; } /// - (void)createEditableCopyOfDatabaseIfNeeded { NSLog(@"Creating editable copy of database"); // First, test for existence. BOOL success; NSFileManager *fileManager = [NSFileManager defaultManager]; NSError *error; NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES); NSString *documentsDirectory = [paths objectAtIndex:0]; NSString *writableDBPath = [documentsDirectory stringByAppendingPathComponent:@"UserAccess.sqlite"]; success = [fileManager fileExistsAtPath:writableDBPath]; if (success) return; // The writable database does not exist, so copy the default to the appropriate location. NSString *defaultDBPath = [[[NSBundle mainBundle] resourcePath] stringByAppendingPathComponent:@"UserAccess.sqlite"]; success = [fileManager copyItemAtPath:defaultDBPath toPath:writableDBPath error:&error]; if (!success) { NSAssert1(0, @"Failed to create writable database file with message '%@'.", [error localizedDescription]); } } /// +(sqlite3 *) getNewDBConnection{ sqlite3 *newDBconnection; NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES); NSString *documentsDirectory = [paths objectAtIndex:0]; NSString *path = [documentsDirectory stringByAppendingPathComponent:@"UserAccess.sqlite"]; // Open the database. The database was prepared outside the application. if (sqlite3_open([path UTF8String], &newDBconnection) == SQLITE_OK) { NSLog(@"Database Successfully Opened :) "); } else { NSLog(@"Error in opening database :( "); } return newDBconnection; } Please help :(

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  • Having problems with uploading photos to TwitPic using OAuth in Objective C on the iPhone

    - by M. Bedi
    I have been working on an iPhone app that has a feature of uploading photos to TwitPic. I have it working with basic authentication. I am trying to get it working with OAuth. I am getting authentication errors. I have studied very carefully the TwitPic documentation. I am authorising the app by displaying a UI Web View and the it returns a PIN value. I enter the PIN value in the app and request the token. I am able to upload status updates to Twitter but not photos. My code is based on some example code from here: Example iPhone app using OAuth Here is my code: NSString *url = @"http://api.twitpic.com/2/upload.json"; NSString *oauth_header = [oAuth oAuthHeaderForMethod:@"POST" andUrl:url andParams:nil]; NSLog(@"OAuth header : %@\n\n", oauth_header); ASIFormDataRequest *request = [ASIFormDataRequest requestWithURL:[NSURL URLWithString:url]]; [request addRequestHeader:@"User-Agent" value:@"ASIHTTPRequest"]; request.requestMethod = @"POST"; [request addRequestHeader:@"X-Auth-Service-Provider" value:@"https://api.twitter.com/1/account/verify_credentials.json"]; [request addRequestHeader:@"X-Verify-Credentials-Authorization" value:oauth_header]; NSData *imageRepresentation = UIImageJPEGRepresentation(imageToUpload, 0.8); [request setData:imageRepresentation forKey:@"media"]; [request setPostValue:@"Some Message" forKey:@"message"]; [request setPostValue:TWITPIC_API_KEY forKey:@"key"]; [request setDelegate:self]; [request setDidFinishSelector:@selector(requestDone:)]; [request setDidFailSelector:@selector(requestFailed:)]; [request start]; Here is the OAuth Header: OAuth realm="http://api.twitter.com/", oauth_timestamp="1275492425", oauth_nonce="b686f20a18ba6763ac52b689b2ac0c421a9e4013", oauth_signature_method="HMAC-SHA1", oauth_consumer_key="zNbW3Xi3MuS7i9cpz6fw", oauth_version="1.0", oauth_token="147275699-jmrjpwk3B6mO2FX2BCc9Ci9CRBbBKYW1bOni2MYs", oauth_signature="d17HImz6VgygZgbcp845CD2qNnI%3D"

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  • General Web Programming/designing Question: ?

    - by Prasad
    hi, I have been in web programming for 2 years (Self taught - a biology researcher by profession). I designed a small wiki with needed functionalities and a scientific RTE - ofcourse lot is expected. I used mootools framework and AJAX extensively. I was always curious when ever I saw the query strings passed from URL. Long encrypted query string directly getting passed to the server. Especially Google's design is such. I think this is the start of providing a Web Service to a client - I guess. Now, my question is : is this a special, highly professional, efficient / advanced web design technique to communicate queries via the URL ? I always felt that direct URL based communication is faster. I tried my bit and could send a query through the URL directly. here is the link: http://sgwiki.sdsc.edu/getSGMPage.php?8 By this , the client can directly link to the desired page instead of searching and / or can automate. There are many possibilities. The next request: Can I be pointed to such technique of web programming? oops: I am sorry, If I have not been able to convey my request clearly. Prasad.

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  • .NET Fingerprint SDK

    - by Kishore A
    I am looking for a comparison of Fingerprint reader SDKs available for .NET (we are using .Net 3.5). My requirements are 1. Associate more than one fingerprint with a person. 2. Store the fingerprints it self. (So I do not have to change the Database for my program.) 3. Work in both event and no-event mode. (Event Mode: Give notification if someone swipes a finger on the reader; No-Event mode: I activate the reader in synchronous mode). 4. Should provide API for either confirming a user or Identifying a user. (Confirm API: I send the person's ID/unique number and it confirms that it is the same person; Identifying API: The sdk sends the person's ID after it looks up the person using the fingerprint) I would also like to get a comparison of Fingerprint readers if anybody knows of one available on the internet. Hope I was clear. Thanks, Kishore.

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  • Forms authentication, ASP.NET MVC and WCF RESTful service

    - by J F
    One test webserver, with the following applications service.ganymedes.com:8008 - WCF RESTful service, basically the FormsAuth sample from WCF Starter Kit Preview 2 mvc.ganymedes.com:8008 - ASP.NET MVC 2.0 application web.config for service.ganymedes.com: <authentication mode="Forms"> <forms loginUrl="~/login.aspx" timeout="2880" domain="ganymedes.com" name="GANYMEDES_COOKIE" path="/" /> </authentication> web.config for mvc.ganymedes.com: <authentication mode="Forms"> <forms loginUrl="~/Account/LogOn" timeout="2880" domain="ganymedes.com" name="GANYMEDES_COOKIE" path="/" /> </authentication> Trying my darndest, a GET (or POST for that matter) via jQuery's $.ajax or getJson does not send my cookie (according to Firebug), so I get HTTP 302 returned from the WCF service: Request Headers Host service.ganymedes.com:8008 User-Agent Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.1.8) Gecko/20100202 Firefox/3.5.8 (.NET CLR 3.5.30729) Accept application/json, text/javascript, */* Accept-Language en-us,en;q=0.5 Accept-Encoding gzip,deflate Accept-Charset ISO-8859-1,utf-8;q=0.7,*;q=0.7 Keep-Alive 300 Connection keep-alive Referer http://mvc.ganymedes.com:8008/Test Origin http://mvc.ganymedes.com:8008 It's sent when mucking about on the MVC site though: Request Headers Host mvc.ganymedes.com:8008 User-Agent Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.1.8) Gecko/20100202 Firefox/3.5.8 (.NET CLR 3.5.30729) Accept text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 Accept-Language en-us,en;q=0.5 Accept-Encoding gzip,deflate Accept-Charset ISO-8859-1,utf-8;q=0.7,*;q=0.7 Keep-Alive 300 Connection keep-alive Referer http://mvc.ganymedes.com:8008/Test Cookie GANYMEDES_COOKIE=0106A4A666C8C615FBFA9811E9A6C5219C277D625C04E54122D881A601CD0E00C10AF481CB21FAED544FAF4E9B50C59CDE2385644BBF01DDD4F211FE7EE8FAC2; GANYMEDES_COOKIE=D6569887B7C5B67EFE09079DD59A07A98311D7879817C382D79947AE62B5508008C2B2D2112DCFCE5B8D4C61D45A109E61BBA637FD30315C2D8353E8DDFD4309 I also put the exact same settings in both applications' web.config files (self-generated validationKey and decryptionKey).

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  • iOS5: Confusion with loadview and init and instance variables

    - by user743550
    I'm new to iOS5 and storyboarding. I noticed that if I declare an instance variables inside my viewcontroller .h file and set the values inside my init of .m file of my viewcontroller, whe the view of the viewcontroller is displayed, my instance variables show null inside viewDidLoad. In order for me to get myvariables, I'd need to do [self init] inside viewDidLoad. My questions are: @interface tableViewController : UITableViewController { NSMutableArray *myvariable; } @end @implementation tableViewController -(id)init { myvariable = [[NSMutableArray alloc]initWithObjects:@"Hi2",@"Yo2",@"whatsup2", nil]; } - (void)viewDidLoad { NSLog(@"%@",myvariable); // DISPLAYS NULL [super viewDidLoad]; } Why isn't my variables available in viewdidLoad when I declared and implemented in my .h and .m files? If that's the case, is viewDidLoad or viewWillAppear the common places to load the data for the viewcontroller? It looks like even if you instantiate a viewcontroller, the init function gets called but the viewDidLoad doesn't necessarily have the variables to be displayed. Where's the right place/methods to load the model(data) for my viewcontroller? Thanks in advance

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  • Wpf Mvvm ComboBox

    - by 2Fast4YouBR
    Hi All, I am new in the Wpf world, so I created a couple of views and all of them have at least one ComboBox, as I am using the MvvM pattern, I get my self re-typing all the time the same line of codes to fill the Combo and to get the SelectedItem (creating properties, privates for fill and other to get). Is there some kind of framework that can improve this part ? or hack/trick ??? as I see too much repetitive code... maybe I am doing something wrong, take a look: XAML: <ComboBox name= "cbDepartments" DisplayMemberPath="DepartmentName" SelectedValuePath ="PrimaryKey" ItemsSource="{Binding Path=Departments}" SelectedItem="{Binding Path=DefaultBranch,Mode=TwoWay}" > ViewModel: private Department defaultBranch; public Department DefaultBranch { get { return this.defaultBranch; } set { if (this.defaultBranch != value) { this.defaultBranch = value; this.OnPropertyChanged("DefaultBranch"); this.saveChangeCommand.RaiseCanExecuteChanged(); this.UserMessage = string.Empty; } } } private ObservableCollection<Department> departments; public ObservableCollection<Department> Departments { get { return this.departments; } set { if (this. departments!= value) { this. departments = value; this.OnPropertyChanged("Departments"); } } }

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  • UITouch Event Propagation To Background UIViews

    - by drewww
    I'm having troubles getting any UIView that's not the foreground UIView to receive UITouch events. I'm building an all-Core Graphics-app, so I'm not using any built in UIViews or IB or anything - everything is programmatically constructed and drawn into. Here's my view hierarchy: Root View Type A Container Type A View Type A View Type A View Type B Container Type B View Type B View Type B View The containers are just vanilla UIView objects that I create programmatically and add instances of Type A and B to when they're created. I did this originally to make hitTesting easier—Type A objects can be drag-and-dropped onto Type B objects. Type A objects receive touch events fine, but Type B objects (which are contained by Type B Container which is behind Type A Container) don't receive touch events. Both containers occupy the entire screen; they're basically just convenience containers. If I pull Type B Container to the front (eg [self.view bringSubviewToFront:Type B Container]) it receives events properly, but then the Type A Container doesn't get events. How do I propagate events from the view that's on top? Both views occupy the entire screen, so it makes sense that the top-most view is catching the events, but how should I get it to pass those events on to Type B Container? I could inject some code in the container that passes the touch events back to the main ViewController which can pass them on to Type B Container but that feels really messy to me. Is there a nicer way to not have the Type A Container stop propagation? What's the best practice here?

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  • How to call PopOver Controller from UITableViewCell.accessoryView?

    - by Vic
    Hi, First I would like to say that I'm really new to ipad/ipod/iphone development, and to objective-c too. With that being said, I'm trying to develop a small application targeting the iPad, using Xcode and IB, basically, I have a table, for each UITableViewCell in the table, I added to the accessoryView a button that contains an image. Here is the code: UIImage *img = [UIImage imageNamed:@"myimage.png"]; UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom]; CGRect frame = CGRectMake(0.0, 0.0, img.size.width, img.size.height); button.frame = frame; // match the button's size with the image size [button setBackgroundImage:img forState:UIControlStateNormal]; // set the button's target to this table view controller so we can interpret touch events and map that to a NSIndexSet [button addTarget:self action:@selector(checkButtonTapped:event:) forControlEvents:UIControlEventTouchUpInside]; button.backgroundColor = [UIColor clearColor]; cell.accessoryView = button; So far, so good, now the problem is that I want a PopOver control to appear when a user taps the button on the accessoryView of a cell. I tried this on the "accessoryButtonTappedForRowWithIndexPath" of the tableView: UITableViewCell *cell = [myTable cellForRowAtIndexPath:indexPath]; UIButton *button = (UIButton *)cell.accessoryView; //customViewController is the controller of the view that I want to be displayed by the PopOver controller customViewController = [[CustomViewController alloc]init]; popOverController = [[UIPopoverController alloc] initWithContentViewController: customViewController]; popOverController.popoverContentSize = CGSizeMake(147, 122); CGRect rect = button.frame; [popOverController presentPopoverFromRect:rect inView:cell.accessoryView permittedArrowDirections:UIPopoverArrowDirectionUp animated:YES]; The problem with this code is that it shows the Popover at the top of the application View, while debugging I saw the values of "rect" and they are: x = 267 y = 13 so I think it is pretty obvious why the PopOver is being displayed so up on the view, so my question is, how can I get the correct values for the PopOver to appear just below the button on the accessoryView of the cell? Also, as you can see, I'm telling it to use the "cell.accessoryView" for the "inView:" attribute, is that okay?

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  • trying to delete a song from a list UITableView sigbart error - addMusic Example

    - by Pavan
    hi im trying to implement a delete feature into the addmusic example this is the code ive added it doesnt work, i cant get my head around whats wrong. can someone please tell me whats wrong and what i need to do to make sure it works. - (void)tableView:(UITableView*)tableView willBeginEditingRowAtIndexPath:(NSIndexPath *)indexPath { } - (void)tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath { // If row is deleted, remove it from the list. if (editingStyle == UITableViewCellEditingStyleDelete) { MainViewController *mainViewController = (MainViewController *) self.delegate; NSUInteger index = [indexPath row]; MPMediaItem *itemToDelete = [mainViewController.userMediaItemCollection mediaItemAtIndex:index]; if ([itemToDelete isEqual:mainViewController.musicPlayer.nowPlayingItem]) { [mainViewController.musicPlayer skipToNextItem]; } MPMediaItemCollection *newCollection = [mainViewController.userMediaItemCollection collectionByDeletingMediaItemAtIndex:index]; mainViewController.userMediaItemCollection = newCollection; NSUInteger indices[] = {0, index}; NSIndexPath *deletePath = [NSIndexPath indexPathWithIndexes:indices length:2]; [tableView deleteRowsAtIndexPaths:[NSArray arrayWithObject:deletePath] withRowAnimation:UITableViewRowAnimationFade]; I also get these warnings when i compile the program and run it: heres the image: http://www.freeimagehosting.net/uploads/6e42f166b9.png Any ideas and help appreciated.

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  • CCSprite: setTexture doesn't work when the sprite is rendered using a CCSpriteSheet

    - by srikanth rongali
    My code is in cocos2d. I am getting this error in my code. To get the fast animation I used CCSpriteSheet CCSpriteSheet *danceSheet = [CCSpriteSheet spriteSheetWithFile:@"new1.png"]; [self addChild:danceSheet]; CCSprite *danceSprite = [CCSprite spriteWithTexture:danceSheet.texture rect:CGRectMake(0, 0, 119, 320)]; [danceSheet addChild:danceSprite]; danceSprite.position = ccp(danceSprite.contentSize.width/2,danceSprite.contentSize.height/2); CCAnimation *danceAnimation = [CCAnimation animationWithName:@"dance" delay:0.1f]; int frameCount = 0; for (int x = 0; x < 13; x++) { // create an animation frame CCSpriteFrame *frame = [CCSpriteFrame frameWithTexture:danceSheet.texture rect:CGRectMake(x*119,0,119,320) offset:ccp(0,0)]; [danceAnimation addFrame:frame]; frameCount++; NSLog(@"frameCount value: %d", frameCount); if (frameCount == 13) break; } CCAnimate *danceAction = [CCAnimate actionWithAnimation:danceAnimation restoreOriginalFrame:NO ]; [danceSprite runAction:danceAction]; But when I touched the screen it is giving the error CCSprite: setTexture doesn't work when the sprite is rendered using a CCSpriteSheet

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  • Change find method in database search so that it isn't case sensitive in Rails app

    - by Ryan
    Hello, I am learning Rails and have created a work-in-progress app that does one-word searches on a database of shortcut keys for various programs (http://keyboardcuts.heroku.com/shortcuts/home). The search method in the Shortcut model is the following: def self.search(search) search_condition = "%" + search + "%" find(:all, :conditions => ['action LIKE ? OR application LIKE ?', search_condition, search_condition]) end ...where 'action' and 'application' are columns in a SQLite table. (source: https://we.riseup.net/rails/simple-search-tutorial) For some reason, the search seems to be case sensitive (you can see this by searching 'Paste' vs. 'paste'). Can anyone help me figure out why and what I can do to make it not case sensitive? If not, can you at least point me in the right direction? Database creation: I first copied shortcuts from various website into Excel and saved it as a CSV. Then I migrated the database and filled it with the data using db:seed and a small script I wrote (I viewed the database and it looked fine). To get the SQLite database to the server, I used Taps as outline by the Heroku website (http://blog.heroku.com/archives/2009/3/18/push_and_pull_databases_to_and_from_heroku/). I am using Ubuntu. Please let me know if you need more information. Thanks in advance for you help, very much appreciated! Ryan

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  • UISearchDisplayController "shouldReloadTableForSearchString return NO" reloads table

    - by Jeena
    Why does my UISearchDisplayController show "No results" even if the shouldReloadTableForSearchString method returns NO? Shouldn't it just do nothing and stay black? How can I prevent it from doing so? #import "RootViewController.h" #pragma mark Table view methods - (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView { return 1; } // Customize the number of rows in the table view. - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section { if (tableView == self.searchDisplayController.searchResultsTableView) { return 0; } return 10; } // Customize the appearance of table view cells. - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { static NSString *CellIdentifier = @"Cell"; UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier]; if (cell == nil) { cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier] autorelease]; } // Configure the cell. cell.textLabel.text = [NSString stringWithFormat:@"row %d", indexPath.row]; return cell; } #pragma mark SearchController stuff - (BOOL)searchDisplayController:(UISearchDisplayController *)controller shouldReloadTableForSearchString:(NSString *)searchString { return NO; } - (void)dealloc { [super dealloc]; } @end

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  • WCF and Unity - Dependecy Injection

    - by Michael
    I'm trying to hock up WCF with dependecy injection. All the examples that I have found is based on the assumptions that you either uses a .svc (ServiceHostFactory) service or uses app.config to configure the container. Other examples is also based on that the container is passed around to the classes. I would like a solution where the container is not passed around (not tightly coupled to Unity). Where I don't uses a config file to configure the container and where I use self-hosted services. The problem is - as I see it - that the ServiceHost is taking the type of the service implementation as a parameter so what different does it do to use the InstanceProvider? The solution I have come up with at the moment is to register the ServiceHost (or a specialization) an register a Type with a name ( e.g. container.RegisterInstance<Type>("ServiceName", typeof(Service);). And then container.RegisterType<UnityServiceHost>(new InjectionConstructor(new ResolvedParameter<Type>("ServiceName"))); to register the ServiceHost. Any better solutions out there? I'm I perhaps way of in my assumptions. Best regards, Michael

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  • Publishing toolchain

    - by Marcelo de Moraes Serpa
    Hello all, I have a book project which I'd like to start sooner than later. This would follow an agile-like publishing workflow, i.e: publish early and often. It is meant to be self-publsihed by me and I'm not really looking to paper-publish it, even though we never know. If I weren't a geek, I'd probably have already started writting in Word or any other WYSIWYG tool and just export to PDF. However, we know it is not the best solution, and emacs rules my text-editing life, so, the output format should be as simple as possible and be text-based. I've thought about the following options: 1) Use orgmode and export to PDF; 2) Use markdown mode and export to PDF; 3) Use something similar to what the guys @ Pragmatic Progammers do: A XML + XSLT + LaTeX. More complex, but much more control over the style. Any other ideas / references ? I want to start writting as soon as possible. In fact, I already have a draft in an org-formatted file. However, I do want to have and use the full power of LaTex later on to format it the way I want and make it look fabulous :) Thanks in advance, Marcelo.

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  • UIButton overlapping problem in the UIView?

    - by sai
    im trying to create buttons as ahierarchy, first some buttons are displayed if i click any of the buttons it will navigate to the next viewcontroller displaying some more buttons. But here my problem is butons are overlapped with one another . means the buttons that should not be displayed are also comming along with those should be . my code is for(.................) { butt = [[UIButton alloc] initWithFrame:CGRectMake(...)]; image = [UIImage imageWithData:[NSData dataWithContentsOfURL:[NSURL URLWithString:[arr objectAtIndex:i]]]]; imageView = [[[UIImageView alloc] initWithImage:image] autorelease]; [butt setBackgroundImage:imageView.image forState:UIControlStateNormal]; [butt setTag:i]; [butt addTarget:self action:@selector(onClick:) forControlEvents:UIControlEventTouchUpInside]; [containerView addSubview:butt]; [butt release]; x+=butt.frame.size.width+2*hgap; i+=1; if (i==count+1) //[arr count] { printf("\nIN BREAK BUTTON\n"); break; } } y=y+(butt.frame.size.height+2*vgap); } Thankyou for the solution.

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  • Ninject 2 + ASP.NET MVC 2 Binding Types from External Assemblies

    - by Malkier
    Hi, I'M just trying to get started with Ninject 2 and ASP.NET MVC 2. I have followed this tutorial http://www.craftyfella.com/2010/02/creating-aspnet-mvc-2-controller.html to create a Controller Factory with Ninject and to bind a first abstract to a concrete implementation. Now I want to load a repository type from another assembly (where my concrete SQL Repositories are located) and I just cant get it to work. Here's my code: Global.asax.cs protected void Application_Start() { AreaRegistration.RegisterAllAreas(); RegisterRoutes(RouteTable.Routes); ControllerBuilder.Current.SetControllerFactory(new MyControllerFactory()); } Controller Factory: public class Kernelhelper { public static IKernel GetTheKernel() { IKernel kernel = new StandardKernel(); kernel.Load(System.Reflection.Assembly.Load("MyAssembly")); return kernel; } } public class MyControllerFactory : DefaultControllerFactory { private IKernel kernel = Kernelhelper.GetTheKernel(); protected override IController GetControllerInstance(RequestContext requestContext, Type controllerType) { return controllerType == null ? null : (IController)kernel.Get(controllerType); } } In "MyAssembly" there is a Module: public class ExampleConfigModule : NinjectModule { public override void Load() { Bind<Domain.CommunityUserRepository>().To<SQLCommunityUserRepository>(); } } Now when I just slap in a MockRepository object in my entry point it works just fine, the controller, which needs the repository, works fine. The kernel.Load(System.Reflection.Assembly.Load("MyAssembly")); also does its job and registers the module but as soon as I call on the controller which needs the repository I get an ActivationException from Ninject: No matching bindings are available, and the type is not self-bindable. Activation path: 2) Injection of dependency CommunityUserRepository into parameter _rep of constructor of type AccountController 1) Request for AccountController Can anyone give me a best practice example for binding types from external assemblies (which really is an important aspect of Dependency Injection)? Thank you!

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