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The first MEAN Stack meetup - MEAN Stack (London, England March 12 · 6:00 PM This location is shown only to members It is our pleasure to announce the first MEAN Stack meetup ever to be held in London. As this is our first event we are putting a cap on the number of attendees - please make sure you RSVP as soon as possible to book your place. Cubism.js Time Series Visualization foo7.6 bar−6.2 foo + bar1.4 foo - bar14 Cubism.js is a D3 plugin for visualizing time series.

Web Audio API 4. The Audio API 4.1. The AudioContext Interface This interface represents a set of AudioNode objects and their connections. The OpenAjax hub The OpenAjax Hub is a set of standard JavaScript functionality defined by the OpenAjax Alliance that addresses key interoperability issues that arise when multiple Ajax libraries are used within the same web page. A very important part of this specification is the Publish/Subscribe Event Management that founds a framework for building event driven web applications. These services by providing a common and interoperable service for publishing events on a broadcast basis and for script logic to listen (i.e., subscribe) to events fired by other script logic. An implementation of the OpenAjax hub specification

Introduction to the MEAN Stack, Part One: Setting Up Your Tools I’ve received several emails asking for instructions on how to set up a basic MEAN stack app. I’m going to take it one step further and give you guys a two-part post that will walk you through creating your first MEAN stack app- from installing the tools to actually writing the code. In Part One we’ll go through the setup and installation process. Next in Part Two we’ll walk through the steps for building a very simple to-do list. Creating Particles with Three.js Introduction Hello again. So by now you’ve got started with Three.js.

Test-Driven Development with JavaScript To shorten the development cycle of your Web application you need to start testing it on the early stages of the project. It seems obvious, but many enterprise IT organizations haven’t adopted agile testing methodologies, which costs them dearly. JavaScript is dynamically typed interpreted language - there is no compiler to help in identifying errors as it’s done in compiled languages like Java. This means that a lot more time should be allocated for testing for JavaScript Web applications. Build a real-time polls application with Node.js, Express, AngularJS, and MongoDB Recently while lecturing on HTML5 to a large group of students, I wanted to poll them and display their voting results, updating in real-time. I decided to quickly build a polling app for this purpose. I wanted a simple architecture and not too many different languages and frameworks. So I decided to use JavaScript for everything — Node.js and Express for the server-side, MongoDB for the database, and AngularJS for the front-end user interface. “This MEAN stack (Mongo, Express, Angular, Node) may one day surpass the simplicity of the LAMP stack (Linux, Apache, MySQL, PHP) for web application development and deployment.” I chose to use DevOps Services (formerly JazzHub) to manage the source code for my project.

JavaScript Design Patterns Design patterns are advanced object-oriented solutions to commonly occurring software problems. Patterns are about reusable designs and interactions of objects. Each pattern has a name and becomes part of a vocabulary when discussing complex design solutions. The 23 Gang of Four (GoF) patterns are generally considered the foundation for all other patterns. They are categorized in three groups: Creational, Structural, and Behavioral (see below for a complete list). In this tutorial we provide JavaScript examples for each of the GoF patterns. Setting Up a MEAN Stack Single Page Application Beginning an application from scratch can sometimes be the hardest thing to do. Staring at an empty folder and a file with no code in it yet can be a very daunting thing. In today’s tutorial, we will be looking at the starting setup for a Node.js, AngularJS, MongoDB, and Express application (otherwise known as MEAN). I put those in the wrong order, I know. This will be a starting point for those that want to learn how to begin a MEAN stack application. Projects like and are more fully fledged MEAN applications with many great features you’d want for a production project.

JavaScript Style Guide Use JSHint to detect errors and potential problems. Every jQuery project has a Grunt task for linting all JavaScript files: grunt jshint. The options for JSHint are stored in a .jshintrc file; many repositories will have multiple .jshintrc files based on the type of code in each directory. Each .jshintrc file follows a specific format.