what is the difference between Xcode, Cocoa and Objective C?
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What is Process?
What are selectors in objective-c?
What is a model class?
What is the benefit of setting reuseidentifier to a non-nil value?
Which language is used in ios?
What are the differences between categories and extensions?
When was ios invented?
Define decoding or deserialization and encoding or serialization?
Which compiler is used by ios? : IOS Architect
What is category and class extension? How these differ?
What is strong and weak in ios?
Explain about Viewcontroller lifecycle.