What is shared instance in ios?
how you can delete a smart group created in Xcode?
What are the application lifecycle in ios?
What is xib?
How to add an iphone os user to your team as a tester?
What is the biggest change with ios 7?
What is the first responder and responder chain?
What are extra features added in ios 9?
What is the protocol in ios?
What is iphone architecture?
What is nspersistentstore? Is it thread safe?
What is nspersistentstore?
How to start a selector on a background thread.
What is difference between shallow copy and deep copy in ios ? : IOS Architect
What is @synthesize in objective-c ?