2009 1122

Wikipedia excerpt over DNS service

One of 2009's coolest web mashup is David Leadbeate's Wikipedia DNS service. What it does is very simple: it returns an excerpt from a Wikipedia article in a TXT DNS record.

- What? Dynamic contents in a DNS text record? From Wikipedia?
- Yes!

For example, all you need is love PHP.

  // dns_get_record is a built in PHP function
  $knowledge = dns_get_record( 'trentemoller.wp.dg.cx' );
  var_dump( $knowledge );
See it on a test page:

This service is very sympathetic, because you don't need to install any piece of code and the world's knowledge is just a query away.

See the creator's page here: https://dgl.cx/wikipedia-dns
And check out his presentation: https://dgl.cx/2008/11/wpdns-pres/

Category: Programming - Tags: php wikipedia dns - 1 Read more
2009 1122

Structure Synth experiments

Structure Synth experiments Besides Context free, my other favorite toy is Structure Synth. It also uses a very similar code grammar like Contect free, but you are able to manipulate things on the Z axis.

Here are some of my first experimental images that I magaged to render.

Category: Generative arts - Tags: structure-synth renders - 3 Read more
2009 1119

How to write drag and drop code from scratch?

How to write drag and drop code from scratch? Drag and drop is a very cool feature in the browsers too, if really needed. Most JS libraries has this functionality, from jQuery to MooTools. But how they do it?

Well, it's not black magic, actually really simple.


The idea
You need to combine two different mouse events: mouseDown and mouseMove, then track the mouse position, update an elements position, finally cancel the mouseMove event on mouseUp.

The goal
Create a freely movable window that you can move with a handle.

Click "read more" to see the codes.

Category: Programming - Tags: javascript tutorial drag-and-drop - 2 Read more
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Briefing

Me myself and I
I love coding, especially for the web. I'm in the online industry for 6 years. My favourite toys are:
JavaScript, PHP, XHTML, MySQL, Canvas, Flash
Váltás magyar nyelvre

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