Define cocoa?
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Can you please explain the difference between frame and bounds?
What is the difference between atomic and nonatomic properties?
What is nsuserdefaults?
What is a protocol in objective-c programming language?
Which programming languages are used for ios development?
What coding language is used for ios apps?
What is block in ios objective c?
What is the difference between copy and retain?
Assume that system is running low on memory. What can system do for suspended apps?
Explain difference between coredata & sqlite?
Why is delegate weak in ios?
What is the purpose of reuseidentifier? What is the benefit of setting it to a non-nil value?