Explain the difference between copy and retain?
No Answer is Posted For this Question
Be the First to Post Answer
What is nspersistentstorecoordinator?
What is difference between atomic and nonatomic in ios?
What are the different delete rules that a relationship can have? Which one takes ownership?
What is framework in ios?
What is the difference between NSArray and NSMutableArray in iOS operating system?
Which is the state an app reaches briefly on its way to being suspended?
Explain parent-child context setup. What are the advantages?
When a nsfetchrequest fetches an entity object from store, does it fetch all of its data at once?
Can we use ssl to encrypt the app communication?
Explain the difference between frame and bounds?
Which framework delivers event to custom object when app is in foreground?
Why do you generally create a weak reference when using self in a block?