Virtualbox USB 3.0 Support

USB 3.0 (introduced around 2008) unfortunately is not the highest priority for the great Virtualbox VM software. If you need to move quite a truck load of data around in a VM you may use a clever workaround to get USB3.0 speeds in your VM. The credit for this...

PayPal Currency Conversion Madness – Solution

Be aware that PayPal calculates 2.5% on top of a bad (in your favour) currency exchange rate. Example: You want to pay an British Merchant 420 GBP. By default you PayPal does the currency conversion for you. This boils down to a bad exchange rate of: At the same time...

tabblo – Brings tado°® To Your Wrist.

Recently the pebble steel was announced and finally shipped. I received mine late february and missed a functionality to control my tado° the heating app. So after asking tado°’s for a public API I thought to myself, they must already have some sort of API and...

Ruby Header Files OS-X Lion

If you try to install a ruby gem you are likely to receive the following error: ERROR: Error installing caldecott: ERROR: Failed to build gem native extension. /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/bin/ruby extconf.rb mkmf.rb can’t find...

qemu-img error and version madness

The Ubuntu Precise 12.04 qemu version is fairly “outdated” stopping at around 1.0. The current qemu release candiate is 1.3.0.rc2 . So if you are running into a qemu-img: error while reading sector 131072: Invalid argument error while converting images...