What is the purpose of using ibaction and iboutlet?
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Explain place holder constraint
When is an app said to be in active state?
In nsfetchrequest can we fetch only a selective few attributes of an entity? How?
. Name the framework that is used to construct application’s user interface for iOS.
Explain Apple push notification
How are non-atomic and atomic properties different? Which one is the default property for synthesized properties? When would a user operate one over the other?
Why we use delegate in ios?
Why do all model object attributes get marked with @dynamic and not synthesised? What does @dynamic mean?
Is the object retained if I call performSelector:withObject:afterDelay:?
What is arc in ios?
How do I open a csv file on my phone?
What are the benefits of ios?