Archive for October, 2009

The car steering wheel usability exercise

Saturday, October 24th, 2009

Apologies if this post shows up twice for anyone using feed readers. Windows Live Writer screwed things up a bit...With today’s cars having more and more functionality – stereos, built-in navigation, the engine computer metrics etc. – the steering wheels start to have more and more buttons. Sometimes it’s on ...

Did you think your site validated input properly? Think again!

Wednesday, October 21st, 2009

You’ve written a PHP based web app, and you’ve made sure it doesn’t cause errors if the user submits unexpected values via any URLs or forms. But there’s something you quite likely forgot to test: What if the data that’s expected to be a singular value happens to be ...

Is commenting your code useless?

Thursday, October 15th, 2009

James Carr has written a well argumented post about comments. To sum it up shortly, he says comments are the lowest form of communication, and that commenting freshly written code is not a good idea. I tend to disagree, and here’s why.

Going to review Zend Framework 1.8 Web Application Development

Monday, October 12th, 2009

I was contacted by Packt Publishing to review a new Zend Framework book, Zend Framework 1.8 Web Application Development. I have previously reviewed Object-Oriented JavaScript, also published by Packt, which was a quality title so I’m looking forward to reading this ZF book. The book is written by Keith ...

Common programming errors and how to avoid them

Thursday, October 8th, 2009

Back in august, I introduced the error tracking challenge. While it didn't get as much participation as I had hoped for, I did manage to collect some results. In this post, I'll go through the most common ones, and suggest some approaches to avoiding them. Suggest your own errors and tips ...