What is lazy loading in ios swift?
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What is type aliasing in swift?
What is singleton class swift 3?
Explain some design patterns which we normally use during the app development.
What is $0 in swift?
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?
Is swift object oriented programming?
What is a swift class?
Is swift memory safe?
What does appdelegate swift do?
What is unowned in swift?
Is swift pass by reference?
What are lazy stored properties, and how are they useful?