Tammo Freese questions

Tammo Freese answers

• NSOperationQueue and background support
• After initializer change 'alias_method' undefined method 'current_user' for class 'ApplicationController'
• Why does the ARC migrator say that NSInvocation's -setArgument: is not safe unless the argument is __unsafe_unretained?
• Lifetime of weak local variables with ARC
• Game Center: addRecipientsWithPlayerIDs... How does it make sense?
• Why can't the address of an ivar be passed to an "id __autoreleasing *" argument under ARC?
• Release an object in a non-ARC project, object is declared in an ARC library
• APNS token collision, stored in Postgres
• NSString isEqualToString: doesn't work
• Shared UITableViewDelegate