Explain what is iphone reference library?
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Explain parent-child context setup. What are the advantages?
What is the difference between weak and strong?
What is a weak var?
What is meaning of 'retain' keyword?
What is nonatomic?
What is swift and what is objective-c?
How would you create your own custom view?
What is core data?
What is synchronous web request and asynchronous ?
What’s the difference between not-running, inactive, active, background and suspended execution states?
Explain the difference between developer and enterprise developer accounts?
What is meaning of 'readonly' keyword?