Explain commonly used third party libraries
Explain @synchronized ,@dynamic
How to registering your device with the program portal for iphone development?
Explain about design patterns in iOS
What is the difference between 'assign' and 'retain' keyword?
Whats a struct?
What is urlsession?
Is the object retained if I call performSelector:withObject:afterDelay:?
Difference between iOS 3 , iOS4, iOS 5, iOS 6, iOS 7 and iOS 8 (What are the new features)
Why do we override drawrect: method? How to explicitly call it?
is code completion is active by default in iphone development?
Is realm db free?
What is arc ? How it works?