hoha questions

hoha answers

• Idiom for Initializing UINavigationItem
• Adding compile flags for multiple targets in XCode
• will NSFileSystemFileNumber in iOS always be unique?
• KVO: UITableViewCell observing model property - how to unregister when model deallocs?
• Where is my NSLog output?
• Objective-C sub-classing basics, how to add custom property;
• Is there a way to change Views in iOS without using UINavigationController?
• Ruby - how to handle problem of subclass accidentally overriding superclass's private fields?
• NSCheckingResult Range Property not set to {NSNotfound,0}?
• Why is this tail recursive?