What is delegate?
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Which is the super class of all view controller objects?
What is cocoa framework in ios?
What is nsfetchedresultscontroller? How do you turn on content monitoring?
How can you respond to state transitions on your app?
What is strong in ios?
How are non-atomic and atomic properties different? Which one is the default property for synthesized properties?
What is difference between 'protocol' and 'delegate'?
Can a static library (.a) contain assets like pictures, sound documents and so on.?
What size is 1x and 2x?
What is meant by delegate in ios?
What is block in ios swift?
What is ios selector?