NSCoder is an abstractClass which represents a stream of data. They are used in Archiving and Unarchiving objects. NSCoder objects are usually used in a method that is being implemented so that the class conforms to the protocol. (which has something like encodeObject and decodeObject methods in them).
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With Storyboards, all screens are stored in a single file. This gives you a conceptual overview of the visual representation for the app an...
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Object Oriented programming is a programming style that is associated with the concept of Class, Objects and various other concepts revolvi...
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Providing Counts for the Picker View – numberOfComponentsInPickerView: – pickerView:numberOfRowsInComponent: Delegate - Setting the Dim...