How can we achieve singleton pattern in iOS?
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How respond to state transitions on your app in ios?
What is nsmanagedobject?
Which programming languages are used for ios development?
Explain the different types of ios application states.
What is nsoperation and nsoperationqueue in ios?
What is appdelegate?
Who calls the dealloc strategy? Would we be able to implement dealloc in arc? In the event that indeed, what is the need to do that?
Difference between nil and Nil.
What is the benefit of setting reuseidentifier to a non-nil value?
What is application lifecycle in ios?
Explain how to hide images in ios?
What is core data?