Archive for 2009
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 ...
Posted in Programming | 11 Comments »
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.
Posted in Programming | 29 Comments »
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 ...
Posted in Programming | 5 Comments »
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 ...
Posted in Programming | 8 Comments »
Tuesday, September 29th, 2009
Just as a reminder: If you participated in the error tracking challenge and haven't yet mailed your results to me, please do so ASAP. The address is jani at codeutopia net
I will be posting some results next week.
Posted in Programming | 1 Comment »
Thursday, September 24th, 2009
So I got a Google Wave developer sandbox account. If you don't know what Google Wave is, you've probably been living under a rock, and you should go check out the aforementioned link. It has a nifty video demonstrating various parts of it.
I've had time to play with it for ...
Posted in Web | 3 Comments »
Saturday, September 12th, 2009
If you've written code, you've probably used the value null to indicate some variable is not set. This is perfectly good, but did you know there's more to nulls than just the value null?
There is also a null object, which doesn't really have anything to do with the value null, ...
Posted in Programming | 18 Comments »
Monday, September 7th, 2009
Today I'll share a fun story with you. Would you like to get free publicity? Go ahead and make a poor friendly URL implementation, like the Finnish Broadcasting Corporation, or YLE - the national broadcasting company of Finland - did.
YLE had a very naive friendly URL algorithm on their web ...
Posted in Web | 12 Comments »
Tuesday, September 1st, 2009
Peer reviewing is the practice of looking at code written by others to find errors or ways to improve the code. Sometimes also called desktop reviewing, this approach can be useful for various reasons:
If you have a coworker who is more experienced than you, you can learn from him/her
It's often ...
Posted in Programming | 1 Comment »
Friday, August 28th, 2009
You probably know what abstraction means - making a complex process simpler - but do you know what makes an abstraction good, and why it's important?
If you are writing code for a project that lives a bit longer, or has multiple developers working on it, having a good abstraction matters. ...
Posted in Programming | 3 Comments »
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