Im having trouble using the @unionOfSets on my core-data objects. I have a subclass of nsmanagedobject called list. There is a to-many relationship from list to listElements. and each listElement has a one-to-one relationship with a file. NSLog(@"%@", [NSApp valueForKeyPath:@"delegate.mainWindowController.sidebarViewController.arrayCon...
Hello, I am trying to use CFNetwork in my app so I tried adding CFNetwork.framework from the Edit Target dialog in Xcode. The interesting thing is that CFNetwork is not visible in the dialog box at all. Am I missing anything? Do I have to add/install CFNetwork in some other way? Screenshot - Thanks in advance. ...
Hi, I have a Tableview on AppDelegate That calls a SecondView (dvController) when DidSelectRowAtIndexPath using: [self.window addSubview:[dvController view]]; On SecondView I defined a button linked to IBAction that should go back to previous view. It works great but when row selected but, How could then go back to previous view if mai...
This problem follows on from a previous question. When I run the following line of code: NSEntityDescription *outputCellEntityDescription = [NSEntityDescription entityForName:@"OutputCell" inManagedObjectContext:[[self document] managedObjectContext]]; I get the followin...
I have read numerous times that Build and Analyze is not perfect. When I run it, it does turn out some useful information and has definitely improved my code, but it also gives results that are not necessary problems. At the minute I'm changing my code to try and get rid of all the Analyzer results, whether they are a problem or not. Is ...
I'm using Eclipse Carbon now and I have some installed Plugins. How to move to Eclipse Cocoa 64-bit without losing the plugins and settings?? ...
It seems dead simple, as to create an NSURLConnection I usually do this: NSURL *theURL = [NSURL URLWithString:urlString]; NSURLRequest *req = [NSURLRequest requestWithURL:theURL]; NSURLConnection *connection = [NSURLConnection connectionWithRequest:req delegate:self]; But how can I get the URL back in the delegate methods? Short of ha...
Is there any Carbon/Cocoa/C API available on Macs that I can use to enumerate processes? I'm looking for something like EnumProcesses on Windows. My goal is to check from code whether a process is running (by name). Thanks! ...
I have a little popup window used for selecting images sorted by groups, and I would like to add a selection box around whatever image is being hovered over. I am trying to this by overriding the mouseMoved event for the window but it seems that a window that has a border-less style mask receives no mouseMoved events even if you have se...
Hello world, I've grown tired of the built-in open Mac OS X command, mostly because it runs programs with your actual user ID instead of the effective user ID; this results in the fact sudo open Foo opens Foo with its associated application with your account instead of the root account, and it annoys me. So I decided to make some kind o...
My application contains more than 200 images each with size approx. 15 KB. I want to flip these image one by one. Is there will be any time lag for loading images? Is there any alternate method for doing that? Anyone please help! ...
I would like to tile a CGImage across a CALayer, but it seems to only want to stretch it. The example code: self.background = [UIImage imageNamed: @"Background.png"]; [documentDisplay.layer setContents: self.background.CGImage]; I would like to avoid subclassing if I could. ...
Hi, How can one image be rotated with axis of rotation as image centre using NSAffineTransform. ...
Hi all, What is the main difference between frame work and dynamic library ...
I'm playing with Objective-C Distributed Objects and I'm having some problems understanding how memory management works under the system. The example given below illustrates my problem: Protocol.h #import <Foundation/Foundation.h> @protocol DOServer - (byref id)createTarget; @end Server.m #import <Foundation/Foundation.h> #import ...
Hi, I have drawn an object on NSView subclass. How can the object know that mouse over is done on it when mouse passes over it. ...
Sorry if the question isn't correct, I'm very new in Objective-C. I understand why this code throw the Warning: "warning: passing argument 1 of 'initWithObjectsAndKeys:' makes pointer from integer without" NSDictionary *dictNames = [[NSDictionary alloc] initWithObjectsAndKeys: 3, @"", 4, @"", 5, @"",nil]; Keys and Value...
Is it possible to disable Expose programmatically? ...
I have an XML schema that defines my data model. I would now like to have Objective C source files generated from the XML schema. Does anyone know how to accomplish this? ...
I have an NSBitmapImageRep that is created like this: NSBitmapImageRep *imageRep = [[NSBitmapImageRep alloc] initWithBitmapDataPlanes:NULL pixelsWide:waveformSize.width pixelsHigh:waveformSize.height ...