Define 'atomic' keyword?
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Who calls the dealloc strategy?
What are different instruments xcode supports for app profiling?
What is lazy loading?
Difference between nil and Nil.
What is arc in ios?
Which JSON framework is supported by iOS?
What's fast enumeration?
Define 'retain' keyword?
What is viper code?
Functionality of accelerometer of an iphone
Explain how app delegate is declared by Xcode project templates?
Difference between iOS 3 , iOS4, iOS 5, iOS 6, iOS 7 and iOS 8 (What are the new features)