Install p7zip on Fedora:

Install p7zip on Debian and Ubuntu:

Uncompressing an example.7z 7zip file in Linux.

Creating a 7zip compression file in Linux.

The error is like:

Both JAVA_HOME and PLUGIN_HOME are environment variables. Use the next command:

If you got this error in your firefox browser then the main reason is: Firefox can be set to not accept cookies. The output will give us this:

To fix this error just go at the top of the Firefox window. Click on the Edit menu and select Preferences.… Continue Reading error: …accounts.google.com/CookieMismatch

WebGL is a software library and cross-platform API that extends the capability of the JavaScript programming language. That brings OpenGL to the web as a 3D drawing context within HTML Today we present a simple example of using WebGL. Here, there is an HTML content, javascript, and content of WebGL… Continue Reading Simple WebGL example.

NetBeans IDE is free and open source IDE (Integrated Development Environment). I tested the latest version a few days ago and I am very pleased with him. The main reason is that it integrates very well the Android SDK (Software Development Kit). Let’s try to use this. First, we need… Continue Reading Setup the NetBeans IDE and Android SDK .

XSS attacks allow a user to inject client-side scripts into the browsers of other users. Using Django templates protects you against the majority of XSS attacks. To do this you need to protect your templates this code:

If you need to disable auto-escaping for an individual variable, then use… Continue Reading XSS sanitization on django – variables and templates

I will try to show you briefly how to create Linux OpenGL applications. We check if the graphics card and settings are done correctly, using the command:

As freeglut devel package provides libraries for OpenGL. Let’s install that package.

Then we see if we have the necessary files.… Continue Reading How to create an executable in Linux using OpenGL.

Today I will show how to use the pstats python module. It’s just some simple example, but can be useful for us.

Let’s add some source code to test this python module.

The documentation tells us: A profiler is a program that describes the run time performance of… Continue Reading Using pstats python module .