Nicolas Bachschmidt questions

Nicolas Bachschmidt answers

• Core data - nested sum with where condition
• Where can i find the "Application does not run in background" key
• NSPredicate filter by letter
• Documentation for NSSortStable is ungrammatical -- what is it trying to say?
• Properly subclassing the EKEvent Class
• How to use NSNumberFormatter to insert blank space to NSString?
• applicationShouldTerminate and NSURLConnection
• __VA_ARGS__ Macro expansion
• ARC __bridge cast Block_copy & Block_release
• OS X 3.2.1 CI "pending integration"