In an one of his articles Michael Reichman claims that he has disproved the theory that depth of field depends on the focal length of the lens. He performs an experiment to prove his claim. In this short response I show why he is wrong.
There are a number of RSS readers for Linux, but not all of them have the ability of filtering feeds. For anyone using RSS feeds on a daily basis, filtering seems must have feature. I found two applications that have this feature: RSSOwl and QuiteRSS.
All the information for a Gentoo full disk encryption configuration is out there somewhere (the Internet), the problem is that there is no one centralized article/resource. So maybe, after all, Gentoo is not that well documented for more advanced setups. Below, I present some resources I found useful. Continue reading Gentoo full disk encryption
Up until now the web preview plugin for Netbeans worked only on Windows platforms. The new release of Netbeans (version 7.3) introduces a lot of new features. One of those features is the support for web preview on all platforms.
In PHP you can generate integer random numbers with the built in function rand(). It is sometimes handy to have a float number generator. Continue reading Float random numbers in PHP
The setViewBox method in the Raphael library enables you to scale and pan the SVG images. However, I have found some bugs with it in the Internet Explorer browsers (IE7, IE8). Continue reading Raphael setViewBox IE fix
The word webmaster is probably derived from the word postmaster (a person in charge of a post office), and up until recent years, it meant a single person in charge of a company website (or many websites). Recently, I’ve noticed that the term is notoriously misused, especially in job offers. Continue reading Webmaster: the meaning of the word
Sitemap Generator is a very useful tool for submitting your website sitemap to any search engine. It’s a Windows application but it works great under Linux, after installing it with Wine. The program is free but it’s not under a GPL license, so the terms might change in the future. The current release is a BETA version.
GPG (GnuPG) is an implementation of the OpenPGP standard for file encryption. In this post I write why to encrypt files, and very briefly write how to do it with GPG.