What is meaning of 'readonly' keyword?
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Mention what is the use of po command in xcode?
What is application lifecycle in ios?
Explain the difference between frame and bounds?
What is arc ? How it works?
An app is loaded into memory but is not executing any code. In which state will it be in?
What is delegate method?
What is the use of controller object UIApplication?
What are the different store migration options?
What is nsuserdefaults?
Explain the usage of struct?
Tell about block and GCD
How do you decide when to use infinite scroll or pagination in ios? : IOS Architect