What is retain counts?
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Explain which all events will perform an ios application in background
Explain me app bundle?
Explain the difference between nil and nil?
What is messaging? How does the runtime handle message passing? What is message forwarding?
When was ios invented?
Garbage collector in iphone?
What is context in core data ios?
Explain app bundle?
what is universal Application?
Explain the difference between viewdidload and viewdidappear?
What does @dynamic mean?
Explain me how to parse json?