What is nsmanagedobjectcontext? What are the different concurrency types?
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Define encoding or serialization??
Explain me does ios support multitasking?
What is core data?
What is uikit in ios?
What is callback in ios?
Explain the difference between 'protocol' and 'delegate'?
How to download xcode for iphone development?
How can you respond to state transitions on your app?
Why is iboutlet weak?
what is Xcode?
Assume that an app is not in foreground but is still executing code. In which state will it be in?
What is the full meaning of ios?