What is 1x 2x?
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Explain the correct way to manage Outlets memory in iOS.
Who is the developer of ios?
What are the delegate methods of mkmapview?
Why do we override drawrect: method?
Does iOs supports multitasking?
How to use reusable cell in uitableview?
Differentiate ‘app id’ from ‘bundle id.’ Explain why they are used?
What coding language is used for ios apps?
How to delete images in ios?
Is the object retained if I call performSelector:withObject:afterDelay:?
What is the architecture of ios?
What is grand central dispatch ios?