What is active state in ios?
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Assume that an app is not in foreground but is still executing code. In which state will it be in?
What is meaning of 'readonly' keyword?
Can a static library (.a) contain assets like pictures, sound documents and so on.?
What is use of uiapplication class?
What is Automatic Reference Counting (ARC) in iOS operating system?
What is synchronous web request and asynchronous ?
What are different ways that you can specify the layout of elements in a uiview?
What is gcd? How is it used?
Explain ios multitasking?
What json framework supported by ios?
Explain alamofire benefits
What is messaging? How does the runtime handle message passing?