Chris Gummer questions

Chris Gummer answers

• Possible race condition with ReactiveCocoa in MVVM app with Core Data
• iPhone headphone click detection
• Demystify NSOperation: concurrent vs non-concurrent and async pattern
• How to close an application programmatically when the user taps on a button
• How to monitor MPMoviePlayerController playback progress while not killing a battery?
• Navigation Bar Back Button, text not center alligined
• JPA + Hibernate + autocommit
• iPhone - Add Core Data To existing Project?
• comma separated thousand NSString stringWithFormat
• iOS Background downloads when the app is not active