What is notification in iOS?
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Explain the options and bars available in xcode 4.x workspace window in iOS operating system
What is UITableView?
Explain code signing in ios?
When a nsfetchrequest fetches an entity object from store, does it fetch all of its data at once?
What kind of database is realm?
What is meaning of 'retain' keyword?
What is reference count in ios?
What are layers?
What is closures in ios?
Define autorealease pool?
What does exc_bad_access mean?
What is categories in iOS?