Articles on JavaScript
Asynchronous JavaScript Testing in Jasmine, Mocha, and Vows
The rise in popularity of JavaScript, especially on the server-side, has introduced more and more developers to asynchronous programming. Asynchronous, event-driven programming also requires a change in testing. In this post, we’ll look at how three popular JavaScript testing frameworks support testing asynchronous code.
Project/Technology Showcase, April 25th
Carbon Five and Good Eggs are joining up to show off some of the projects they’ve recently worked with an emphasis on the technology that made them possible. We want to share what we think is interesting and what we’ve learned along the way. Genetic Symphony – A Genentech, IDEO, and Carbon Five collaboration for …
Tech Talk: Seth Ladd on Dart
Seth Ladd (Google, @sethladd) joined us last week and presented An Introduction to Dart: The structured web development platform. You should check it out, the folks over at Google are doing some interesting things. Dart is young and has potential. Learn more about Dart at http://dartlang.org. Thanks Seth! Looking forward to the next one.
Lunchtime Tech Talk: Tom Dale and Yehuda Katz on Ember.js
On Wednesday, Tom Dale and Yehuda Katz joined us for a lunchtime tech talk. Tom gave a great overview of ember.js, a new JavaScript MVC born out of the work done on SproutCore 2.0. Here’s the video of the presentation and Q&A that followed: Happy JS hacking!
Interactivity in HTML5 Canvas Visualizations
In the last canvas visualization post I discussed the canvas API’s transform functionality and how it greatly simplifies drawing complex visualizations. In this post, I’ll talk a little about making canvas visualizations interactive and about problems you might encounter when mixing transforms and interactivity in a canvas application. Examples: (an HTML5 compatible browser is required …
Taming 2D Transforms in HTML5 Canvas
This is the second post in a series on creating custom interactive visualizations in canvas. The first post is here. The canvas API contains five methods (rotate, scale, translate, transform, and setTransform) used to transform the drawing context. We typically use the transform API when we want to rotate or scale some element of the …
Node.js, Part III: Full Stack Application
In my previous posts, I introduced you to Node.js and walked through a bit of its codebase. Now I want to get a simple, but non-trivial Node.js application running. My biggest problem with Node.js so far has been the lack of substantial examples: if I see one more Hello World or Echo Server, I’ll flip …
Node.js, Part II: Spelunking in the Code
In my last post, I gave a quick overview of Node.js and showed you how to install and smoke test it. Now let’s dive deeper and learn what it provides and how it works.
Node.js Overview
I was a Java guy for 10 years and I’ve been a Rubyist for the last 5 years. Over the years, I’ve tried to develop expertise in a particular area of technology that will both pay the bills and make me happy as a programmer while also watching for upcoming changes in the tech world. …
Visualizing Skillsets in HTML5 Canvas: Part 1
As Courtney chronicled in the d.build journal, Carbon Five recently engaged in a group exercise to create a physical diagram of our skills and interests. The activity was entertaining and produced a rather attractive artifact on the wall, but we soon realized that (aside from noting that some skills were more popular than others) there …