Simply put, the model is the data (and by extension the HTML content of a website or app), the view is what you see on the screen (defined by the CSS styles of the user interface) and the controller is the logic that ties the two together (often expressed as the JavaScript or other interactive programming).

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By default, an app and a view controller's supported interface orientations are set toUIInterfaceOrientationMaskAll for the iPad idiom and UIInterfaceOrientationMaskAllButUpsideDown for the iPhone idiom.

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The XDJ-AERO also functions as a 24-bit audio interface, MIDI controller for Traktor and HID controller for Virtual DJ software.

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