This tag should be used only on questions that are about Objective-C features or depend on code in the language.
Please note that this error message is pretty low level, so it crops up for different reasons in different scenarios. …
ios objective-c xcode7I'm just beginning to work on iPhone apps. How do I know when I should be putting stuff in AppDelegate …
ios objective-c cocoa-touchFirst of all, I found this: Objective C HTML escape/unescape, but it doesn't work for me. My encoded characters (…
iphone html objective-c cocoa cocoa-touchCan I set the attributedText property of a UILabel object? I tried the below code: UILabel *label = [[UILabel alloc] init]; …
ios objective-c nsattributedstringWhat is the maximum value for a UInt32? Is there a way I can use the sizeof operator to get …
ios objective-c uint32If you can't get an object with objectAtIndex: from an NSSet then how do you retrieve objects?
objective-c cocoa cocoa-touch object nssetI'm trying to use the BEncoding ObjC class to decode a .torrent file. NSData *rawdata = [NSData dataWithContentsOfFile:@"/path/to/the.…
objective-c cocoa bittorrentIn observeValueForKeyPath:ofObject:change:context: - why do the docs use NULL instead of nil when not specifying a context …
objective-c cocoa nullI'm using the code below to try and have textField2's text content get updated to match textField1's whenever …
ios objective-c uitextfieldin iOS6 I noticed the new Container View but am not quite sure how to access it's controller from the …
ios objective-c swift uiviewcontroller uicontainerview