What is shared instance in ios?
What does @dynamic mean?
Explain interfaces?
What is retain counts?
What is ios application life cycle?
Explain differences between foundation and corefoundation
what are fetched properties?
What design patterns do you use in ios? : IOS Architect
What is nonatomic?
Does ios have garbage collection?
What is messaging? What is message forwarding?
What manual memory management ? How it work?
How to send your device id to an iphone developer?