What is managed object context and what are its functions?
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What is use of uiapplication class?
What is a retain cycle?
What is id in ios?
What is viper code?
Whats the difference between NSArray and NSMutableArray?
Explain about Viewcontroller lifecycle.
What is the use of appdelegate in ios?
What are the app states in ios?
are you using charlesproxy ? Why/why not ?
Is uikit thread safe?
Which object is create by uiapplicationmain function at app launch time?
What is mvc and mvvm in ios?