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Rescooped by ibrahimahmed from JavaScript for Line of Business Applications
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Making Dashboards with Dc.js - Part 1: Using Crossfilter.js

Making Dashboards with Dc.js - Part 1: Using Crossfilter.js | Photography | Scoop.it

Dc.js is a JavaScript library used to make interactive dashboards in JavaScript. By clicking and selecting different events in graphs, you can filter the entire dashboard to drill into a particular event.

In order to do this, DC.js relies on two other JavaScript plugins/libraries: D3.js and Crossfilter js.

With this first art we're going to start off with how Crossfilter works because most of the actual dashboard code is manipulating the data for the charts. Once you have a good understanding of how that works, the actual graphing is pretty simple. I'm going to try to cover several different scenarios, so you can hopefully avoid some of the pitfalls as you start to use it.


Via Jan Hesse
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Rescooped by ibrahimahmed from JavaScript for Line of Business Applications
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Build a real-time polls application with Node.js, Express, AngularJS, and MongoDB

Build a real-time polls application with Node.js, Express, AngularJS, and MongoDB | Photography | Scoop.it
Build a polling application that updates in real-time as votes roll in. The app I created has a simple architecture that uses JavaScript for everything. Node.js and Express power the back-end, and MongoDB stores the app's data.

I chose to use JazzHub to manage the source code for my project. Not only does it give me a full version control system for my code, but it also has an online IDE for editing my code in the cloud, and abundant agile features for project management. JazzHub also integrates easily with Eclipse, which has plug-ins to enable one-click deployment to platforms like BlueMix or Cloud Foundry.


Via Jan Hesse
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Rescooped by ibrahimahmed from JavaScript for Line of Business Applications
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Why I love JavaScript and Meteor.js

When you write in one universal language, development speed is increased because you focus on one language and you don't have to learn another. And you bet JavaScript is universal language. You can write Windows 8 apps, mobile apps (Phonegap/Cordova), server side apps (NodeJS) and even operating systems.

There are lots of great JavaScript frameworks. Client side: Angular, Backbone, Ember,... and server side: Express, Sails, Geddy, Meteor... and many more. When I just took a quick look at the frameworks I fell in love withMeteor. It was love at first sight. My first Meteor project is http://todotoday.meteor.com and it's quite fast. And realtime.


Via Jan Hesse
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