What is made up of nserror object?
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What is atomic and nonatomic in iOS operating system? What is run loop in iOS ?
What’s the difference between an “app id” and a “bundle id” and what is each used for?
What is inactive state in ios?
Where can you test Apple iPhone apps if you don’t have the device?
What is variable in ios?
How do you stop apps running in the background on ios?
An app is loaded into memory but is not executing any code. In which state will be in?
What is polymorphism in ios?
What is difference between 'protocol' and 'delegate'?
What is UIApplication?
Why do all model object attributes get marked with @dynamic and not synthesised?
Explain commonly ios libraries