Sometimes you’ll end up having to deal with a DVD which has video recorded on it but the author neglected to finalize the disc. This can be a bit troublesome, because until the disc is finalized it doesn’t contain the necessary data to make it compatible with the DVD standard. Most consumer DVD players and PC based DVD drives rely upon this information to make sense of the data content on the DVD, so if it isn’t finalized most systems won’t open the disc. Either it will open a blank explorer window, or it won’t mount this disc at all. What to do?
I stumbled across a little program called rarcrack yesterday, which provides brute-force cracking of password protected archives. I decided to give it a try and make some general observations about it.
Happy Valentines Day!
A few years ago I created a little valentines day project, shown in the video at the end of this post. It’s basically just a multi-vibrator circuit with two groups of LEDs, arranged as an inner and outer heart:
Adding USB Devices in a Windows Virtual Machine with VirtualBox
One of the most confusing things for me when I first experimented with VirtualBox was the question of how to add USB devices. I run Linux (Ubuntu) as my main OS now, but sometimes I need to dig around in Windows (e.g. work related stuff) so for those cases I run it in a virtual machine. I recently needed to add a data acquisition device for use in the virtual machine on Windows, so I thought I’d document the procedure here.