Explain what is struct?
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How to animate view with constraint?
What are ios protocols?
How to start a selector on a background thread.
What is use of uiapplication class?
What is block in ios objective c?
How you will store user info (username, password or token) securely in ios?
How to add an iphone os user to your team as a tester?
What is shared instance in ios?
Compare and contrast the different ways of achieving concurrency in os x and ios.
Which JSON framework is supported by iOS?
Tell me the hierarchy of uibutton.
What is the difference between atomic and nonatomic properties? Which is the default for synthesized properties?