Hailei questions

Hailei answers

• How to split a stackpanel like a grid
• How come Xcode doesn't automatically link with QuartzCore when the project uses it?
• cocoa: menu bar item with backspace as key equivalent
• How to cut Selected portion of the sound file using iphone sdk?
• Will IAP non-consumable products keep working if I pull my binary from the AppStore?
• OpenSSL binary distribution: meaning of the char at the end of version
• Initialisation of a CGPoint with { } notation
• Access Settings app in iOS
• Differentiate between applicationDidEnterBackground and applicationWillTermimate
• Objective-C NSString for loop with characterAtIndex