What’s the difference between not-running, inactive, active, background and suspended execution states?
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Explain the significance of autorelease?
What are the App states in iOS operating system? Explain them
How do you setup/initialise a core data stack in your application? Is this activity performed on main thread? If not, why?
What is an NSOperationQueue and how/would you use it in iOS operating system?
What is difference between nsnotification and delegate?
What is the meaning of 'synthesize' keyword?
Can a static library (.a) contain assets like pictures, sound documents and so on.?
Enlist the latest ios development patform?
what’s accessibilityhint?
Is appdelegate a singleton?
Push notification working in ios?
What is the biggest change with ios 7?