What is a weak var?
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What are layer objects and what do they represent in iOS operating system?
Define content offset?
Difference b/w collectionView & uitableview?
Whats a struct?
Why iphone apps are popular?
Explain collections in iOS
What happens when you invoke a method on a nil pointer?
Explain iglistkit?
What NSAutorelease pool
What persistent storage used in mobile apps - ios?
What is storyboard?
Are ios developers in demand?