dhtml

I’m working on a little thing which I don’t want to speak about just now, lets see if I can get it to do what I want first before making it public. However for that project I needed to pack several small rectangles of varying dimensions into a bigger one without them overlapping.

At first it seem like an easy task but the more I thought about it the more difficult it was. After a bit of research I found out that until today this seems to be a non resolved problem, there are algorithms which offer a pretty decent approximation to the optimal result though.Read more

For secret reasons I need to usually convert hex strings to decimal notation. This can be easily done with a scientific calculator, like the one supplied with Windows, but it’s slow and I’m usually in a hurry to convert them :)

So I took a look at GreaseMonkey, which is an extension for Firefox which allows to modify a web page once rendered with a simple javascript file.Read more

I just stumbled upon a short yet excellent post on Dean Edwards blog. It shows how to use IE proprietary javascript conditional comments to detect if we’re running on IE in a secure and very short way.Read more

I’ve been working a lot lately with regular expressions in Javascript. Being a really powerful tool it’s quite easy to get shoot on your own feet if you are not careful.

After pushing the Javascript built in regular expression engine to its limits I found it lacking some modern features available in most recent versions of regex engines used in many languages like .Net, C++ Boost, Perl, Ruby or PHP. The feature I miss the most is the ability to use look behind assertions, with JS just supporting look ahead ones.Read more

n an embarrassing attempt to bring some more visits to this blog I’ll start to post about buzzwords. After some months of fighting against it I’ve finally understood that there is no point in teaching people that AJAX, Web 2.0 and the like are just silly buzzwords about quite old technologies. So from now on I’ll get into the bandwagon and start using those buzzwords.

Getting into the stuff that matters, lets start with the basics.Read more