Backup and restore hard drive with “dd”

Look for the hard drives device with mount or sudo fdisk -l and unmount it. In my case it's going to be sda.

Backup uncompressed image:

sudo dd if=/dev/sda of=/home/sda.bin bs=1024

Sort an array of objects in PHP by field

function cmp($a, $b)
{
    return strcmp($a->name, $b->name);
}

usort($your_data, "cmp");

Or the shorter version using closures:

usort($your_data, function($a, $b)
{
    return strcmp($a->name, $b->name)…

Symfony2 routing: Allow dots in URL

I have one route in my app that must have a text and a dot followed by a format. For example:

Use sudo without being asked for your password

Run in a terminal:

sudo visudo

The sudoers file will be opened with your default editor. There add this line at the end of the file:

username ALL=(ALL) NOPASSWD: ALL

Then save and exit.

Fix Netbeans fonts after installing Wine

As I wasn’t going to use Wine that much and broking my fonts pissed me off I decided to completelly uninstall it.

sudo apt-get remove ttf-mscorefonts-installer
sudo apt-get remove wine1.6 wine1.6-i386 wine-mono0.0.8 wine1.6-amd64…