What are blocks in ios?
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Will the new design mean I have to completely relearn how to use my phone?
What is use of nsoperation?
How are non-atomic and atomic properties different? Which one is the default property for synthesized properties? When would a user operate one over the other?
What is bridging header in ios?
Who is the founder of ios?
What is gcd? How is it used?
Does iOs supports multitasking?
Mention what is the use of po command in xcode?
What is delegate protocol in ios?
Which object is create by uiapplicationmain function at app launch time?
Is it possible to write a program without using nib file
How to represent layer objects in iOS operating system ?
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