bbum questions

bbum answers

• multiple parameters in @selector in Objective-C
• Does @property(retain) need a release?
• How much overhead is associated with @synchronized(self)?
• objectForKey stringValue crashing my app?
• NSString retainCount is 2147483647 [duplicate]
• Memory management for UIKit in tight loops under ARC
• Why is a pointer on an ivar bad in Objective-C?
• Mixing garbage collected framework with normal code
• Am I really leaking memory?
• Is there anything like an NSSet that allows retrieving by hash value?