What is difference between delegate and datasource in ios?
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How to parse xml? Explain
What do you mean by rest?
Explain parent-child context setup?
What is context in core data ios?
Explain the difference between developer and enterprise developer accounts?
What is gcd in ios?
Which is the state an app reaches briefly on its way to being suspended?
what is singleton class? Why the whole application creates a single instance?
What is the meaning of 'synthesize' keyword?
What is swift and what is objective-c?
What is background state in ios?
What is latest ios version?