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Model–view–controller

Model–view–controller
Model–view–controller (MVC) is a software pattern for implementing user interfaces. It divides a given software application into three interconnected parts, so as to separate internal representations of information from the ways that information is presented to or accepted from the user.[1][2] The central component, the model, consists of application data, business rules, logic and functions. A view can be any output representation of information, such as a chart or a diagram. Multiple views of the same information are possible, such as a bar chart for management and a tabular view for accountants. The third part, the controller, accepts input and converts it to commands for the model or view.[3] Component interactions[edit] A typical collaboration of the MVC components In addition to dividing the application into three kinds of components, the Model–view–controller (MVC) design defines the interactions between them.[4] Use in web applications[edit] History[edit] See also[edit]

http://en.wikipedia.org/wiki/Model%E2%80%93view%E2%80%93controller

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Zend Framework & MVC Introduction - Zend Framework Quick Start Zend Framework Zend Framework is an open source, object oriented web application framework for PHP 5. Zend Framework is often called a 'component library', because it has many loosely coupled components that you can use more or less independently. But Zend Framework also provides an advanced Model-View-Controller (MVC) implementation that can be used to establish a basic structure for your Zend Framework applications. This QuickStart will introduce you to some of Zend Framework's most commonly used components, including Zend_Controller, Zend_Layout, Zend_Config, Zend_Db, Zend_Db_Table, Zend_Registry, along with a few view helpers. Using these components, we will build a simple database-driven guest book application within minutes.

Learning JavaScript Design Patterns Design patterns are reusable solutions to commonly occurring problems in software design. They are both exciting and a fascinating topic to explore in any programming language. One reason for this is that they help us build upon the combined experience of many developers that came before us and ensure we structure our code in an optimized way, meeting the needs of problems we're attempting to solve. Design patterns also provide us a common vocabulary to describe solutions. This can be significantly simpler than describing syntax and semantics when we're attempting to convey a way of structuring a solution in code form to others. In this book we will explore applying both classical and modern design patterns to the JavaScript programming language.

JavaScript MVC Once a bit player, JavaScript increasingly takes center stage. Its footprint—the space it takes up on our servers and in our development schedules—continues to grow. So how can we make our JavaScript more reusable and easier to maintain? Perhaps MVC will offer some clues. Article Continues Below Mixins in game development Programmers tend to think in the Object Oriented Programming paradigm all the time. We create complex class hiercharies that describe every single entity on the game. Thats what we learn at school, we are programmed (deeply into our firmware) to do that, but there is a whole world of different pradigms and approaches we can use, and the scripting languages are bringing the dynamic style into the game.

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Unified Modeling Language UML logo The Unified Modeling Language (UML) is a general-purpose modeling language in the field of software engineering, which is designed to provide a standard way to visualize the design of a system.[1] It was created and developed by Grady Booch, Ivar Jacobson and James Rumbaugh at Rational Software in the 1990s.[2] In 1997 it was adopted by the Object Management Group (OMG), and has been managed by this organization ever since. In 2000 the Unified Modeling Language was accepted by the International Organization for Standardization (ISO) as an approved standard. Since then it has been revised to cover the latest revision of UML.[3]

MVVM (Model View ViewModel) MVVM facilitates a clear separation of the development of the graphical user interface (either as markup language or GUI code) from the development of the business logic or back end logic known as the model (also known as the data model to distinguish it from the view model). The view model of MVVM is a value converter[4] meaning that the view model is responsible for exposing the data objects from the model in such a way that those objects are easily managed and consumed. In this respect, the view model is more model than view, and handles most if not all of the view’s display logic (though the demarcation between what functions are handled by which layer is a subject of ongoing discussion[5] and exploration). The view model may also implement a mediator pattern organising access to the backend logic around the set of use cases supported by the view.

Backbone.js Wine Cellar Tutorial — Part 1: Getting Started One of the challenges when building nontrivial Web applications is that JavaScript’s non-directive nature can initially lead to a lack of structure in your code, or in other words, a lack of… backbone. JavaScript is often written as a litany of free-hanging and unrelated blocks of code, and it doesn’t take long before it becomes hard to make sense of the logic and organization of your own code. Backbone.js is a lightweight framework that addresses this issue by adding structure to JavaScript-heavy Web applications.Self-contained building blocks Backbone.js provides several classes (Model, Collection, View, Router) that you can extend to define the building blocks of your application. To build an app with Backbone.js, you first create the Models, Collections, and Views of your application.

Mixin Mixins encourage code reuse and avoid well-known pathologies associated with multiple inheritance.[1] History[edit] Definition and implementation[edit] Python QT - Complete PyQt GUI Course Python QT Complete PyQt GUI Course Discussion in 'Plugins developement QT' started by storm shadow, Mar 15, 2015. storm shadow Techbliss Owner AdminIda Pro ExpertDeveloper you can find the code for the tuts here Found this awsome beginners gui to GUI programming PyQt Gui Feel free to discuess anything related to the series. Share This Page

Create, read, update and delete Another variation of CRUD is BREAD, an acronym for "Browse, Read, Edit, Add, Delete". DRULAB is also a variation, where "L" stands for Locking the access to the data (Delete, Read, Update, Lock, Add, Browse). This concept is mostly used in context with data protection concepts. Database applications[edit] The acronym CRUD refers to all of the major functions that are implemented in relational database applications.

Single-page application A single-page application (SPA) is a web application or web site that fits on a single web page with the goal of providing a more fluid user experience akin to a desktop application. In a SPA, either all necessary code – HTML, JavaScript, and CSS – is retrieved with a single page load,[1] or the appropriate resources are dynamically loaded and added to the page as necessary, usually in response to user actions. The page does not reload at any point in the process, nor does control transfer to another page, although modern web technologies (such as those included in the HTML5 pushState() API) can provide the perception and navigability of separate logical pages in the application. Interaction with the single page application often involves dynamic communication with the web server behind the scenes.

Journey Through The JavaScript MVC Jungle When writing a Web application from scratch, it’s easy to feel like we can get by simply by relying on a DOM1 manipulation library (like jQuery412) and a handful of utility plugins. The problem with this is that it doesn’t take long to get lost in a nested pile of jQuery callbacks and DOM elements without any real structure in place for our applications. In short, we’re stuck with spaghetti code3. Fortunately there are modern JavaScript frameworks that can assist with bringing structure and organization to our projects, improving how easily maintainable they are in the long-run.

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