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Why we use delegates in swift?

Question Posted / dinesh kumar

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What is a delegate in swift?

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What is swift? How is it different from objective-c?

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Consider the following code: var defaults = NSUserDefaults.standardUserDefaults() var userPref = defaults.stringForKey("userPref")! printString(userPref) func printString(string: String) { println(string) } Where is the bug? What does this bug cause? What’s the proper way to fix it?

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Is swift like python?

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Difference in classes and structures in swift?

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Explain what is Swift Programming Language?

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What is final class in swift?

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How proficient are you in objective-c and swift? Can you briefly describe their differences?

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Explain grand central dispatch (gdc).

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What is the difference between function and method in swift?

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