Install grub when booting from live CD or usb

12 Apr 2012 at 00:00:00 - 0 comment(s)
You need to re-install grub on your drive when booting from usb or live CD. This post is made for you, very straight forward step to do so.

Git: common and useful commands

22 Mar 2012 at 00:00:00 - 0 comment(s)
I use git and literally love it but I have one problem with it, I often forget how to do things meaning I always have to go look for it either on the internet or in the manual. Therefore I have decided to write this post to regroup all the commands I use/need when using git.

How to run glxgears at full speed and not synchronized to vertical refresh?

15 Nov 2011 at 00:00:00 - 4 comment(s)
You normally use glxgears to check performance of your graphic card but you get the same as your monitor refresh rate (60Hz = 60fps). You simply need to override a variable to not run synchronized to the vertical refresh.

catalyst 11.10 / gnome-shell still not usable

01 Nov 2011 at 00:00:00 - 5 comment(s)
In my post about catalyst 11.9, I wrote a rant about the AMD catalyst driver which after 6 months were still not working with gnome-shell. Another month has passed and unfortunately gnome-shell is still not usable with the catalyst driver.

A list of useful regexp

30 Oct 2011 at 00:00:00 - 0 comment(s)
regexp or in other words regular expression is something you have to regularly use in your applications. I've decided to write this post as a placeholder for regexp I believe are common and useful such as regexp for email validation or some you might use to replace characters in a string. I might write some piece of java code but you can use these regular expression in many other languages.

catalyst 11.9 still doesn't work with gnome-shell!

29 Sep 2011 at 00:00:00 - 10 comment(s)
Gnome 3.0 was released on the 6th of April 2011. At the time I write this post, Gnome 3.2 has been released, we are on the 29th of September. Guess what, they have just released catalyst 11.9. I have tried it and gnome-shell still doesn't work properly!! Are they testing their driver goddammit?!

3DES Encryption in Java and DES Encryption in Java

13 Nov 2010 at 00:00:00 - 20 comment(s)
Here is a small post with just code to do 3DES (Triple DES) and DES Encryption in Java. You can simply copy/paste it in a Class you call Encrypter and it's ready to use. The public constructor takes the key and the IV as arguments.

A short introduction to VisualVM and the JVM

03 Nov 2010 at 00:00:00 - 2 comment(s)
While I was reading the comments in my previous post about java 1.7, I realized that there is one thing that Java as which is great: VisualVM. If you don't know it, this is a must read post. You will discover it and see how to use it. I will talk about the Garbage Collector as well, only basic things to be able to understand Visual GC.

Java 1.7 - What's new? Release date, code examples and performance

10 Apr 2010 at 00:00:00 - 324 comment(s)
I have been reading quite a lot about Java 1.7. There are articles about what's new, some code examples, some benchmark to compare performance with previous version of Java and discussion on when it will be released. I have decided to regroup all I have discovered in this article so that I and maybe you, won't have to spend hours surfing the web to find all this information.

Become a friend of Gnome

28 Mar 2010 at 00:00:00 - 0 comment(s)
For those of you who don't know, GNOME offers an easy to understand desktop for your GNU/Linux or UNIX computer. To put it simple, it's a desktop environment and if you are using Ubuntu then that's what you are using the most when you are using Linux. Today they are trying to hire a Sysadmin and they need the help of the community. Maybe you can help?