[jQuery] Know If An Element Exist

Basic syntax:

$('element').length == 0

Example:

if($('div#mydiv').length == 0)
{
    $('body').append('
        <div id="mydiv">hello world!</div>
    ');
}
else
{
    $('div#mydiv').html('hello universe!');
}

[Ubuntu] Virtualbox Fullscreen on Ubuntu 10.10 Won't Work

I use Virtualbox to have the Ubuntu 10.10 (64-bit) version in my unit but the Fullscreen function doesn't work properly. If I go to View > Switch to Fullscreen, then the virtualbox window will have a fullscreen but not the ubuntu itself.

So I've research on how to do it and here's what works for me:

sudo apt-get update
sudo apt-get install build-essential linux-headers-$(uname -r)
sudo apt-get install virtualbox-ose-guest-x11 

Apparently, we need to solve first the Guess Additions Issue on Ubuntu 10.10 for the Fullscreen to take effect.

Enjoy! =D

[Ubuntu] Resize Wubi Disk

If you're wondering what is wubi then let me explain it a bit. Wubi let's you install ubuntu OS via Windows. Although installing ubuntu in a traditional boot-to-CD way still it's more complicated to other non-techie people.

Installing ubuntu using wubi limits your ubuntu drive into 30GB storage disk, not so bad if you're not really using as your primary OS. I, as a web developer and using ubuntu as my primary OS due to my current work, needed to have a larger storage disk but I don't want to backup my file and install ubuntu over again (traditional way). It's a hassle to backup files specially if I need the larger storage right away. So I've done some research and read a lot of articles if it is possible to just resize and extend the storage disk which was installed via wubi. And, yes, I found the solution that works for me.

First, download the wubi-resize_1.5b.sh. Save it on Downloads folder.