How to install java plugin in Chrome and Firefox on Ubuntu 12.10

Just after install Java JRE and JDK manually via terminal in Ubuntu 12.10, I’ve realized that I have to install the browsers plugins. After a little research I’ve found that the plugins are already available in one of JRE’s subfolders and I just need to create a symbolic link to that file in a special folder that Chrome and Firefox search for plugins at boot time.

Just execute the command below and restart the browsers:
sudo ln -s /usr/local/java/jre1.7.0_12/lib/i386/libnpjp2.so /usr/lib/mozilla/plugins/libnpjp2.so

Notes:

• Note that you must customize JRE path. The plugins folder should be the same in your computer.
• You can test the plugin installation in this link.
• You can verify installation details in Chrome entering chrome://plugins/ in the url.
• You can verify installation details in Firefox in menu Tools > Add-ons > Plugins.

References:

• How do I manually install the Oracle Java Plugin for Google Chrome and Firefox?

How to create a launcher icon to IntelliJ IDEA on Ubuntu 12.10

On folder /usr/share/applications, create the file intellij.desktop with this content:

[Desktop Entry]
Version=1.0
Type=Application
Terminal=false
Name=IntelliJ Idea
Icon=/opt/idea-IC-123.169/bin/idea.png
Exec=/opt/idea-IC-123.169/bin/idea.sh &
StartupWMClass=sun-awt-X11-XFramePeer

Now, search for “IntelliJ” on Dash Home and drag the icon to the laucher.

Notes:

• The StartupWMClass is there to avoid icon duplication when the application starts because idea.sh is just a laucher script.

References:

• HOW TO CREATE APPLICATION LAUNCHER AND ADD ICON TO UNITY IN UBUNTU 12.10 / 12.04
• How can I remove duplicate icons for “launched” java programs in the launcher?

No-SQL – MongoDB – From introduction to high level usage in C# with NoRM.

Clique aqui para ler a versão original desse artigo em português.

First I would like to apologize in advance for my bad English. This is a translation of my original article in Portuguese. I will be grateful for any corrections.

In this article I’ll try to make an introduction to the No-SQL movement, the document oriented database MongoDB and three ways to use it: via shell, via the C# driver mongodb-csharp and via the NoRM library.

The objective of this article is that the reader becomes aware of what is and the basics of how to use MongoDB. For that, the examples that we will cover are intentionally simple and does not seek to explore the various ways to perform an operation on MongoDB either to demonstrate it’s full capacity.

No-SQL – MongoDB – Da introdução a utilização em alto nível em C# com NoRM.

Click here to read the english version of this article.

Neste artigo tentarei fazer uma introdução ao movimento No-SQL, a base de dados orientada a documentos MongoDB e três formas de utilizá-la: via shell, via o driver para C# mongodb-csharp e via a biblioteca NoRM.

O objetivo deste artigo é que o leitor tome conhecimento do que é e de como utilizar de forma básica o MongoDB, para isso os exemplos de utilização que percorreremos são intencionalmente simples e não visam explorar as diversas formas de se executar uma operação no MongoDB tampouco demostrar toda a sua capacidade.

Abra o prompt de comando direto de uma pasta no Windows Explorer (Windows 2000+).

Essa dica será útil a todos que estão cansados de abrir o command prompt do Windows e ter que navegar manualmente até uma pasta específica para realizar uma tarefa.

Transforme seu laptop com Windows 7 em um Wi-Fi hotspot com o Connectify.

Descobri hoje uma ferramenta excelente, o Connectify.

Esse pequeno aplicativo transformou meu laptop com Windows 7 Ultimate em um ponto de distribuição da minha internet 3G quase como mágica! Agora eu e minha esposa podemos utilizar simultaneamente a internet, cada um em seu laptop.