What is a serial queue?
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What is gcd in ios swift?
How to parse json?
What is the purpose of using ibaction and iboutlet?
What is the purpose of reuseidentifier? What is the benefit of setting it to a non-nil value?
Tell about block and GCD
What language is ios based on?
What do you know about home screen of ios?
Garbage collector in iphone?
What is the purpose of reuseidentifier?
What is nsmanagedobjectcontext? What are the different concurrency types?
What are all the newly added frameworks iOS 4.3 to iOS 5.0?
Which programming language is used in ios?