I am considering to buy an investment home recently and so am trying to really understand mortgage. As an engineer, I thought it should be very simple. Indeed, it is quite simple but it eventually spent me couple hours figuring it out on my own. It is a simple high school math problem but I…
Ubuntu has very convenient function to generate screencast. My favorite is gtk-recordMyDesktop. However, my mic isn’t very high quality and my screencast always ends up with annoying background noise. Actually, this noise can be easily removed by denoising tools such as Audacity. One just needs to exact the audio track, denoise it with Audacity, and…
There is an excellent article on how to resize an virtualbox disk.