Who is the developer of ios?
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What do you mean by rest?
What is difference strong and weak reference ? Explain.
What is difference between shallow copy and deep copy in ios ? : IOS Architect
What devices will support ios 7?
When dealing with property declarations, what is the difference between atomic and non-atomic?
What is ios realm?
Explain which all events will perform an ios application in background
What are all the newly added frameworks iOS 4.3 to iOS 5.0?
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?
What happens when you invoke a method on a nil pointer?
Differentiate between release and pool drain?
What are the different store migration options? When are they used? How do they work? What is mapping model?