Scaling Node.js applications can be a challenge. JavaScript’s single threaded nature prevents Node from taking advantage of modern multi-core machines. For example, the following code implements a bare bones HTTP server, which listens on the port number passed in from … Continue reading
A Quick Status Update on Me
It’s been a while since I’ve written on here. I’ve actually been quite busy. In a previous post, I was reaching out to JavaScript writers about an upcoming SitePoint niche site. At the time, I wasn’t able to provide the … Continue reading
Attention JavaScript Writers!
The SitePoint Network is sourcing authors for a new site focused solely on JavaScript. As you may know, I’m a (somewhat) regular writer for SitePoint. I’m happy to announce that I have been named the managing editor for their upcoming … Continue reading
Finding Yourself Using Geolocation and the Google Maps API
I recently published an article titled “Finding Yourself Using Geolocation and the Google Maps API” in the Association for Computing Machinery’s Student Magazine, XRDS. As the title implies, the article focuses on the geolocation API and Google’s Maps API. I … Continue reading
Creating a JavaScript Parser
I recently decided to implement a JavaScript parser. To be more specific, I implemented an ECMAScript 5.1 parser. This post describes the process in detail, including the roll of parsers in compiler design, and various design decisions and hurdles which … Continue reading
Passing Arguments to External JavaScript Files
This post covers the topic of passing arguments to external JavaScript files. I want to say up front that there doesn’t seem to be a 100% bulletproof way of doing this. If there is, I don’t know about it (so … Continue reading
Introducing the helper.js Library
I have decided to put together my own JavaScript utility library, named helper.js. This is an idea I’ve been tossing around for a while, but today I decided to actually sit down and start coding. I want something that I … Continue reading
Truthy and Falsy in JavaScript
In JavaScript, any variable can be used in a logical context, such as the condition of an “if” statement or loop. Conditional expressions can be quite complex, but should ultimately evaluate to a single Boolean value. If the result of … Continue reading
The Server Side of Server-Sent Events
Server-sent events are an underutilized API for implementing push technology. Server-sent events transmit data to clients as a continuous stream, referred to as an event stream, over a connection which is left open. By maintaining an open connection, the overhead … Continue reading
WebSockets in Node.js 0.8.6 for Windows 7
NOTE: This is an update of my previous post on configuring WebSockets on a Windows 7 installation of Node.js. One of the lesser known features of HTML5 are WebSockets. This is mainly due to a lack of browser support and … Continue reading
