Safari stores favicons in a database named ‘WebpageIcons.db’ located in the folder: ~/Library/Safari/Icons. It is possible to disable the creation of this database with the following command:
10.7
Mission Control: Fullsize window previews
In OS X Lion the thumbnail previews of windows from the same app are grouped together. By hovering the mouse over these thumbnails and scrolling up, you can expand the group of windows. It is possible to display these windows in full size.
Activate element inspector in the Mac App store
In the Mac App Store is a hidden element inspector available that lets you view the source of any page or element. It is possible to extract text or images, and adding your own code through the console option.
Enable spring loaded Dock items
Spring-loaded Dock items are supposed to save you time by allowing you to drag a file over the folder/icon. Hover it for a few seconds and the application/folder will open. Use the following command to enable these feature:
Enable the full size window preview in Mission Control
Mission Control groups previews of windows from the same app. By hovering the cursor over a these group and scrolling up, you can see that the group showing more detail in those behind the main window. With the following command you enable to see a full size preview of the contents.
Enable full name display in Twitter for Mac
By default twitter shows only the twitter usernames in their application. With the following command it’s possible to enable to display the full name instead the twitter username.
Display the location path of current wallpaper in OS X
When you have no idea where the original wallpaper image is stored from your background, you can use the following command to display the full path to the currently active desktop image. This would be display directly on the wallpaper itself.