You got a .rar file and you don't how to open it, some one asked you to send him "a rar file" or you just need a good archiving software? Download and install WinRAR.
Google by far isn't only a search service or an e-mail provider. I will introduce you to their Google Docs service which you can use as your very own office in the cloud.
TinEye is a great reverse image search online service, that can tell you where an image came from, find different sizes of the image and you can find out if someone is using your image without your permission.
In this lesson I will show you how to create a web link on specific part of the picture and how to define a link that opens when a user clicks the hotspot area.
Select database queries with Inner, Left and Right Join represent an important part of SQL syntax and come in very handy when you want to make more advanced queries.