You can add multiple desktops to the Mac OS X Mountain Lion by using Mission Control, formerly known as Spaces. Can be really useful if you are a busy multi-tasker.
A simple Dreamweaver HTML tutorial where we change the shape of a mouse pointer/cursor on a link or image rollover on a website using a CSS style property.
You have more people using one computer and you don't want them to be able to shut it down using a shutdown button on Windows logon screen, this is how you remove it.
Use the Open Browser Window behavior to open a page in new window. We will insert an image in a document, than we will set a value to the image to open new window by clicking on inserted image.
Pretty useful trick in Adobe Photoshop, where we will change the setting for showing dimensions in pixels instead of centimetres while making selections.
Simple yet very useful Gimp tutorial where we make a detail or an object in a Photo bigger and more visible by resizing it and adding a white rounded square frame around it.