Explain usage of struct?
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How to silent the noisy keyboard?
When a nsfetchrequest fetches an entity object from store, does it fetch all of its data at once?
What is arc in ios?
Explain retain counts
What is the use of controller object UIApplication?
What is gcd in ios swift?
What are the App states in iOS operating system? Explain them
What is the difference between delegates and notifications in iOS operating system?
Can viewdidload be called multiple times?
How does the runtime handle message passing? What is message forwarding?
What are extra features added in ios 9?
What is ios closure?