what is the use of PO command in Xcode?
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What is xib?
What is latest ios version?
Differentiate ‘app id’ from ‘bundle id.’ Explain why they are used?
Is the object retained if I call performSelector:withObject:afterDelay:?
What is nonatomic in ios?
Explain your process for tracing and fixing a memory leak
What is didreceivememorywarning method in you viewcontroller?
What is the ? In swift?
How to register as a iphone developer?
When an app is said to be in active state?
What are various singleton instances provided by frameworks?
Differentiate 'app id' from 'bundle id'.