How a programmer reads your resume (comic)

People thought it was a comic, so I never corrected them.

Exploiting perceptual colour difference for edge detection

Think colour isn't important in image processing algorithms? Let's try it both ways, and see for yourself.

UMA Questions Answered

A bunch of questions answered about UMA wireless technology.

Four ways of handling asynchronous operations in node.js

Javascript was not designed to do asynchronous operations easily. If it were, then writing asynchronous code would be as easy as writing blocking code. Instead, developers in node.js need to manage many levels of callbacks. Today, we will examine four different methods of performing the same task asynchronously, in node.js.

Copy a cairo surface to the windows clipboard

I just spent several hours debugging clipboard copy of a DIB image. I could copy from my application, and paste into Paint. I could paste into Word. But if I pasted into WordPad, nothing showed up. If I pasted into GIMP, it crashed.

Five essential steps to prepare for your next programming interview

They put you in a room, give you a problem, and stare at you while you fumble around with markers on a whiteboard for 45 minutes. With a little preparation, you'll look like a pro.

Optimizing Ubuntu to run from a USB key or SD card

Fortunately, by following the tips below, you can make your USB or SD card based linux system fly!

Experiment: Deleting a post from the Internet

Once you post something on the Internet, it is hard to get rid of it. As an experiment, I deleted one of my past posts, and I tried to remove all traces of it.

How wide should you make your web page?

Based on 22500 unique IP addresses over the past week.

Pitching to VCs (comic)