What is meaning of 'retain' keyword?
No Answer is Posted For this Question
Be the First to Post Answer
How to handle concurrency problems in core data?
what are the new features in Xcode 6?
Is it safe to update to ios 13?
Explain the difference between 'protocol' and 'delegate'?
Explain @property ,@synthesize
How to implement "load more" using nsfetchedresultscontroller?
Why do all model object attributes get marked with @dynamic and not synthesised?
What is difference between weak and strong in ios?
Please explain what is difference strong and weak reference?
Arc is compile time or run time feature?
What is the use of double question marks (“??”) ?
Explain what is the stack of autorelease pools. How autorelease pool work under the hood?