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Node.js allows you to create apps fast and easily. But due to its asynchronous nature, it may be hard to write readable and manageable code. In this article I'll show you a few tips on how to achieve that. Callback Hell or the Pyramid of Doom Node.js is built in a way that forces you to use asynchronous functions. That means callbacks, callbacks and even more callbacks. You've probably seen or eve
In my previous post on testing I covered the basics of testing with Mocha, Chai, and Sinon -- including asynchronous testing and stubbing methods with asynchronous callbacks (such as methods which make a server request). That's all well and good, but sometimes it's more convenient or natural to synchronously manipulate the JavaScript timer or create fake servers to instantly and synchronously resp
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New version avaialble! Go here for the v7 edition!D3.js can help you make data beautiful.D3 Tips and Tricks is a book written to help those who may be unfamiliar with JavaScript or web page creation get started turning information into visualization. Data is the new medium of choice for telling a story or presenting compelling information on the Internet and d3.js is an extraordinary framework for
This post has been published more than 10 years ago, it may be obsolete by now. Iâve been giving JavaScript & CasperJS training sessions lately, and was amazed how few people are aware of the Functional Programming capabilities of JavaScript. Many couldnât see obvious usage of these in Web development, which is a bit of a shame if you ask me. Letâs take things like map and reduce from the Array pr
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This release of the Koa framework is short but sweet. If anything this is an indication that our design choices with 0.1.0 were pretty solid, we havenât come across any road blocks yet in terms of design, so from now on it should be mostly polish, which means if youâd like to start building real projects with Koa you should be safe! Socket error handlingKoa now handles socket errors for you and re
Getting Started with Gulp This article will make the assumption that you have never used a build tool or command-line interface before and will walk through every step required to get up and running with gulp. The good news is that it is actually pretty simple! I have created five basic steps that walk you through all of the intimidating stuff and introduce you to the core ideas that you will need
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