mmalc questions

mmalc answers

• What's the best way to find out the installed version of the iPhone SDK?
• What is the cost of using autorelease in Cocoa?
• Is there a better way to find midnight tomorrow?
• NSMutableArray destruction
• Modifying NSDate to represent 1 month from today
• Save CoreData-entities in NSUserDefaults
• What does @synthesize window=_window do?
• Do I need to release xib resources?
• In Cocoa do you prefer NSInteger or int, and why?
• Where to place the "Core Data Stack" in a Cocoa/Cocoa Touch application