What is gcd? How is it used?
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What is atomic and non atomic in ios?
What is uitableviewdatasource?
What is managed object context and what are its functions?
What is appdelegate in xcode?
How can we prevent ios 8 app’s streaming video media from being captured by quicktime player on yosemite during screen recording?
What are layer objects in iOS operating system?
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Explain how do I get a call when my ipad rings?
What are all the instruments available in Xcode in iOS operating system?
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What is closures in ios?
Will the new design mean I have to completely relearn how to use my phone?
What is a view controller in ios?
Name the memory management rules and their related methods.