What are different instruments xcode supports for app profiling?
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What is oops in ios?
When is an app said to be in active state?
What is the use of 'dynamic' keyword?
Explain app bundle?
What is the difference between 'assign' and 'retain' keyword?
Explain why delegates and notifications are different.
What is arc and how is it different from autorelease?
What are the different store migration options?
What is cocoa framework in ios?
Explain the options and bars available in xcode 4.x workspace window in iOS operating system
What is ios architecture?
Explain "private", "protected" and "public"?