What does 2x resolution mean?
What is the difference between cocoa and cocoa touch?
What do you know about home screen of ios?
What is gcd? How is it used?
What is ipad screen size?
What is a thread in ios?
What are b-trees?
What is nspersistentstore? Is it thread safe?
What is the ? In swift?
Is ios written in c?
What is the benefit of setting reuseidentifier to a non-nil value?
Why iphone apps are popular?
Difference between sax parser and dom parser ?
What is difference between 'protocol' and 'delegate'?
What are different ways that you can specify the layout of elements in a uiview?