Is the object retained if I call performSelector:withObject:afterDelay:?
Please explain what is difference strong and weak reference?
What is fast enumeration?
Can python apps run on ios?
Explain mutable and immutable types in objective c programming language?
A tableview with while tapping on cell show a popOver. and tapping on it move to another view controller, is it possible if yes? then how?
what is Xcode command line tools package?
What is dynamic typing in iOS operating system?
Explain the different types of ios application states.
Explain the difference between nil and nil?
What is atomic and non atomic in ios?
Explain usage of struct?
What is viper code?