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The controller handles incoming requests and puts any data the client needs into a component called a model. When the controller's work is done, the model is passed to a view component for rendering.

The Observer Pattern is the foundation of Model View Controller (MVC) development. In this article, you'll learn how to use it by building a simple email application. The Observer Pattern is one of ...

How to unit test view model validation, focusing on the controller when the model is bound to a controller action. Welcome to part 4 in the TDD for ASP.NET MVC series. This time, I'll cover how to ...

I'm working on a single window cocoa application, containing four tabs for displaying / changing data, and a bunch of sheets / modal windows for creating data and editing things. I thought I had a ...

The user interface often contains a lot of cluttered code primarily because of the complicated logic it needs to handle. The presentation patterns are design primarily with one objective in mind, ...