The other day I was experimenting with PostgreSQL under Windows and I was very confused setting a locale in the command line when initializing the database cluster. If I didn’t specify a locale in the –locale option of initdb, then the locale that was used was: Greek_Greece.1253. Well, I needed to initialize the cluster with…
This post is a step-by-step tutorial on how to extend the expiration date of your GPG keys or reset it in case the keys have already expired. But, before we go through how to change the date, I’d like to write a few things about why setting an expiration date on your GPG keys is…
It has become common nowadays that Python projects provide their documentation in “source form“. The documentation is split into multiple files, written in restructured text, and is shipped together with some other configuration and media files for Sphinx. The user is meant to use the provided Makefile to export the documentation in various formats. This…
It was brought to my attention by a message in our forums that the download methods described in the “Use wget or curl to download from RapidShare Premium” article are no longer valid. Rapidshare has introduced a new API for account and file management. After a quick read of the Rapidshare API documentation, it was…
Although the full content of the posts is available in the website feed, until today I had been limiting the content (to just the post’s summary) that would be retrieved by UniversalFeedParser, which is the user agent string the PlanetPlanet software uses. This was done so that any buttons or ads do not appear in…
This tutorial contains information about the preparation of the system in order to run dnsmasq and also detailed instructions about how to configure it as a caching DNS server. A full configuration file is also provided as a drop-in replacement for the default dnsmasq.conf.
I needed to make some changes to the website layout this afternoon, so I turned off WP-Super-Cache for a while. As you can clearly see in the following graph the CPU time consumed by php-cgi processes increased by 2-4 times when caching was turned off between 14:00-17:00. And this increase was caused by a single…
Web applications that add unnecessary HTTP headers or meta tags and links in the HTML HEAD section of my web pages usually make me nervous. Today, WordPress, once again, made me spend my free time trying to find which filters add such useless data in my web pages and try to remove it. Removing the…
Okay. It’s been five years since I started this website and I feel I want to share with you one or two things about it. In this post I’ll try to go back in time and write about why I started it and what this web journal has accomplished so far. I also post some…
The rules make the game. You take out the rules, the game goes up in smoke. I think it’s still fine if someone takes advantage of any inconsistencies between the rules to win the game, but cheating is completely unacceptable.