What is meaning of 'atomic' keyword?
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What are b-trees?
what is the use of PO command in Xcode?
From which ios version, arc is supported?
What is category in ios?
What is nonatomic?
Can we adjust the size of photos uploaded from the app?
what is the method for preventing the quicktime player from capturing streaming videos of ios 8 apps on yosemite while screen recording is on?
Differentiate between ‘assign’ and ‘retain’ keyword.
Explain formal protocols?
What is main thread checker?
What is view object in iOS operating system?
What is delegation pattern in ios?