This tag should be used only on questions that are about Objective-C features or depend on code in the language.
This equation swaps two numbers without a temporary variable, but uses arithmetic operations: a = (a+b) - (b=a); How …
c++ objective-c c swapI have a view controller in my app that has a navigation bar dragged on it in the storyboard. It …
ios objective-c uinavigationcontroller uinavigationbar ios7I'm looking to be able to have the debugger break when it reaches a particular string match. As an example, …
objective-c xcode debugging breakpointsHow to change background color of UISearchBar in iOS7? not gray, I want to change color like my uinavigationbar if …
objective-c ios7 uisearchbar background-color uisearchdisplaycontrollerI'm afraid this question is pretty basic, but I think it's relevant to a lot of Objective-C programmers who are …
objective-c memory-management objective-c-blocksI have a UIScrollView to which I added a single tap gesture recognizer to show/hide some UI overlay using: …
ios objective-c uiscrollview uitapgesturerecognizerIs there a way to print out the current thread id on which the current method is executing on? (objective-c …
iphone objective-c cocoa multithreadingI wrote this: if( a == -11 && b == -1 ){ { if( a == -1) AND ( b == -1)... But neither work, and …
objective-c boolean-expressionIs it possible to rename/refactor a class file and have it rename the actual file on disk? If so, …
iphone objective-c xcode refactoring renamingAny good documentation or articles out there about doing device-to-device data transfer?
iphone objective-c bump