Sometimes you don't want your Mac OS X Mountain Lion powered computer to go to sleep, here's a nice little trick how to temporary prevent a Mac from going into a sleep mode.
The Popup Message behavior displays a JavaScript alert with the message you specify. In this lesson I will show you how to put an alert with a warning message on the website.
VMware player is a great free tool for creating virtual machines and desktops. For instance, you can create a new virtual computer to install and test the new Windows 8 Consumer Preview.
In this lesson I will show you how to cut the video with the help of Set In and Set Out points. This tool is very useful if you want to cut the video more accurately.
If you are on a certain data plan on your mobile provider, and don't want to exceed it, you can set data usage warning and a limit which can help you save some of your money.
One of the more important features of any mobile phone, let me show you how to set an alarm so it will only ring on the specific days and not on weekends when you need your sleep the most.