Knowledge Base

Slick Knowledge Base brings you dozens of articles from various topics. Web design, programming, operating systems, software, hardware. Explore and enjoy!

Knowledge is the biggest treasure of humanity. I believe that by sharing my experience from IT sector and big passion to it, I will be able to wake up creativity inside you.


  • This table contains complete list of all MIME types to use while working with .htaccess files.

  • qTranslate is quite good plugin which allows your WordPress to handle multiple languages. Unfortunately author of this plug-in implemented it in the way that particular version of qTranslate will work only with particular version of WordPress. It causes an annoying issue when new version of WordPress will be released and author of qT won’t prepare… read more

  • Queryloader issue There is no doubt, that Gaya Kessler did an awesome plugin called QueryLoader. Unfortunately, while gathering all images to be preloaded with this plugin, Gaya’s script will crash on graphic elements created with CSS3. Function is crawling for all background images and img tags with src attribute. When it will reach for example… read more

  • Midnight Commander is a very popular file manager for Linux operating systems. In this article I will tell you how to install MC in version 4.8.11 on Ubuntu OS. First of all check if you already have MC installed (and if yes, what is its version). If your current version is older, remove it. Open… read more

  • Sometimes you will have to check which version of currently installed package you have. In various distributions of Linux you can achieve this in the same way. Ubuntu will be an example. To get this information, simply open terminal and type this command: As an example I will check which version of Midnight Commander I… read more

  • Due to the Ubuntu’s policy about non free formats on default, this operating system comes with no support to media like MP3 (which can be required to deal with FFmpeg) and DVD, Flash Player or Java. Despite of that, You can still get support of this features by installing third party package. Installation Open terminal… read more

  • Natively Xubuntu (as well as any other version of *ubuntu) does not support fingerprint reader. To enable this feature and use it as an alternative way of authentication, you have to install additional package. One of them is called Fingerprint GUI and it supports several fingerprint reader devices. First of all open terminal and check… read more

  • You won’t find this feature in the default phpBB3 installation. To display number of new posts since last visit you just have to edit small piece of 3 files: Open: and try to find line: After this line add: Note that line you need to look for may look a little bit different. In the… read more

  • In my previous article about FFmpeg I’ve described a method of removing sound from the surce video stream. Today I will present some general examples of how to use FFmpeg. That includes conversion from one format into another, setting specific bitrate (quality determinant) and other minor settings. (Check this article from time to time, because… read more

  • Typical process of creating bootable USB using previously downloaded ISO image with OS is pretty easy but with Debian it’s tricky. Using Startup Disk Creator in my case thrown an error: Below I will show you nice workaround that works perfectly and requires no additional programs to deal with. 1. Prepare your USB Make sure,… read more