How to handle concurrency problems in core data?
Explain the difference between stack and heap memory?
What is nonatomic in ios?
Define fast enumeration?
What is ios viewwillappear?
What is Automatic Reference Counting (ARC) in iOS operating system?
What are extra features added in ios 9?
What is appdelegate in xcode?
What is nspersistentstore?
What is wildcard app ids?
What is an iphone app?
What is clean architecture ios?
How do you usually persist data on ios? : IOS Architect