kperryua questions

kperryua answers

• Garbage collection of Core Foundation objects
• _OBJC_CLASS_$ Errors While Unit Testing Custom Classes In iOS 4.2
• Performance hit incurred using NSMutableDictionary vs. NSMutableArray>
• How to dispatch a block with parameter on main queue or thread
• How to trace a program from its very beginning without running it as root
• Why most block use argument for iteration continue flag instead of return value?
• Release, Dealloc, and the Self reference
• No results in Spotlight in searches against kMDItemPath
• How do I get the representedObject from a view in an NSCollectionViewItem?
• NSZombies are eating my app's brain!