What is latest ios version?
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An app is loaded into memory but is not executing any code. In which state will it be in?
Is there any garbage collector concept available in iOS?
When is an app said to be in active state?
What is the difference between atomic and non-atomic properties? Which is the default for synthesized properties? When would you use one over the other?
When an app is said to be in active state?
How do you check if your code has memory leaks?
What is use of uiapplication class?
What is 1x 2x?
Explain how an autorelease pool works at the runtime level
What is appdelegate in xcode?
What is gcd ios?
How to start a selector on a background thread.