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If you ever find yourself needing to read or save data from a program, but don't want to go to the effort of handling XML, then YAML might be a worthwhile option. It is especially good for configuration files, as it's very human readable, unlike XML. Blog Elmholdt has published a short article on getting YAML going under Python...

The May edition of Linux Gazette is out, and this month, there's a column on using PostgresQL's stored procedures.

I've been playing around with distributed version control systems like Mercurial and Git, recently, and while they work well, I'll freely admit that I've been having a bit of trouble seeing the advantage of using them rather than a centralised model such as that used by Subversion. Fortunately InfoQ have come to the rescue, with a detailed guide to distributed VCS systems, including a good comparision of the leading three open source systems.

Ars Technica takes a detailed look at the latest release of Troll Tech's gui toolkit.

When I think about video processing, I will freely admit that python wouldn't be the first language that springs to mind; however this comprehensive tutorial from Simon Yuill certainly puts python to work in this field...

xml.com have published the first article in a new series on using httplib2, python's http access library.

Another article in the Developerworks series on grails, the groovy-based web framework, this time covering many-to-many relationships within data models.

A guide to writing python plugins for authentication in squid.

O'Reilly have published part six of their guide to the Dojo AJAX library.

(See also parts one through five).

Cory Matthews has written a two part guide to using Java's java.util.LinkedList class (part one and part two).

There's been a couple of Django related articles and tutorials lately, so it makes sense to group them all together in one post.

Firstly, 42topics has an interview with Malcolm Tredinnick, one of the core Django contributors, with some details about the Queryset-refactor branch of the software.

Frank Wierzbicki has written some articles on running Django under Jython (part one and part two), and finally, there is also news that Google's Summer of Code program is going to sponsor a similar effort.

The Database Programmer weblog has been running a long series on database design, starting from the basics and now moving right up to advanced topics such as resolutions.

If you're looking at using Amazon's S3 web service platform for hosting your data, you might be interesting in this article from perl.com on accessing it from perl.

O'Reilly OnLAMP have published a guide to Python's filecmp module.

informIT have published an interview with Bjarne Stroustrup, the creator of C++, covering a number of issues including the C++09 standard and Stroustrup's new book "Programming: Principles and Practice using C++".