What is arc xcode?
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What is inactive state in ios?
Are document objects required for an application? What does they offer?
Explain the difference between stack and heap memory?
What is difference between 'protocol' and 'delegate'?
How is it possible to improve battery life during execution of an application?
What is core data in ios swift?
What are layers?
Differentiate ‘app id’ from ‘bundle id.’ Explain why they are used?
What is Automatic Reference Counting (ARC) in iOS operating system?
What happens when we invoke a method on a nil pointer?
Is the delegate for a CAAnimation retained in iOS operating system?
What is spritekit and what is scenekit?