What is meaning of 'atomic' keyword?
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What is nsuserdefaults? What type of data can we store there?
Functionality of accelerometer of an iphone
Outline the class hierarchy for a UIButton until NSObject.
What is mvc and mvvm in ios?
What does @dynamic mean?
What are the benefits of swift over objective-c ?
What is the difference between android and ios?
What are “strong” and “weak” references? Why are they important and how can they be used to help control memory management and avoid memory leaks?
Explain the difference between bounds and frame?
Explain about MVC Design patters
What is arc and how is it different from autorelease?
What is the difference between strong and retain.