Explain the difference between strong and retain.
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Can python apps run on ios?
Explain xctest test case code.
Mention what is the use of po command in xcode?
What is a view controller in ios?
What is messaging? How does the runtime handle message passing?
What is atomic and nonatomic in iOS operating system? What is run loop in iOS ?
What is posing in iOS?
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Explain the characteristics of ios?
Define 'strong' keyword?
What happens when you invoke a method on a nil pointer?
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