What is fast enumeration?
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What is retain in ios?
Define autorealease pool?
What is a background thread?
What are b-trees?
Explain app bundle?
What is wildcard app ids?
What is the purpose of using ibaction and iboutlet?
What is the use of controller object UIApplication?
What design patterns do you use in ios? : IOS Architect
Who calls the main function of you app during the app launch cycle?
What is the difference between 'assign' and 'retain' keyword?
What are the different store migration options? How do they work?