Define view object in iOS operating system?
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What is grand central dispatch ios?
What is main thread checker?
What is difference strong and weak reference ? Explain.
An app is loaded into memory but is not executing any code. In which state will it be in?
What is retain counts?
Explain steps for using coredata?
Explain the difference between bounds and frame?
Can you please explain the difference between frame and bounds?
What is a category and when is it used?
What is meaning of 'synthesize' keyword ?
What is thread in ios swift?
Differentiate 'app id' from 'bundle id'.