What is delegate pattern in iOS?
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How do you check if your code has memory leaks?
What is the viper?
What is uikit in ios?
Compare and contrast the different ways of achieving concurrency in os x and ios.
What is the methods for unzip file in AFNetworking
What is gcd in ios swift?
How can we use NSOperation queue? what is the advantage of using it ?
What is Process?
Describe the functionality of accelerometer of an iphone ?
What is code signing in iOS operating system?
What is a background thread?
What is @implementation?