What is the difference between NSArray and NSMutableArray in iOS operating system?
What is the methods for unzip file in AFNetworking
How we can execute some code when app is in background?
Can I have relationship between entities in separate stores (in case of configurations)?
What is xcode used for?
What is the difference between viewdidload and viewwillappear?
What is concurrency in ios?
What is reference count in ios?
Differentiate ‘app id’ from ‘bundle id.’ Explain why they are used?
What is synchronous web request and asynchronous ?
In mapKit frame work, how to get current user location
Find the letter count in UItextfield? Including first character?
What is dependency management?