Do system object delegates in ARC need to be set to nil?...

What is the cause of the zombies in the following code...

Objective-c example code that intentionally messages a deallocated object...

UITapGestureRecognizer Causing Crash With Differing Error Messages...

UIPickerView crashes when scrolling 2 components together...

Need help finding cause of 'object cannot be nil' error message...

How to debug Cocos2d removal of sprite memory issue...

How can I set NSZombiesEnabled in XCode4?...

Overreleasing issue and Zombies...