What is the difference between stack and heap?
How to parse xml? Explain
How are non-atomic and atomic properties different?
Explain which all events will perform an ios application in background
What is grand central dispatch ios?
What is nsoperationqueue?
what is the use of PO command in Xcode?
Assume that your app is running in the foreground but is currently not receiving events. In which sate it would be in?
How to fix tableviewcell dequeue issue ?
Explain Apple push notification
What are moments and collections?
What is the difference strong and weak reference?
What is made up of nserror object?
Define decoding or deserialization and encoding or serialization?
What is the methods for unzip file in AFNetworking