Working with multiple desktops and full-screen applications on a Mac, the Dashboard can be annoying. But there is a way to disable the Dashboard.
Just open the Terminal and copy & paste the following command:
defaults write com.apple.dashboard mcx-disabled -boolean YES
Restart the Dock process (owning the Dashboard) by killing it with
To enable the Dashboard again just type the command:
defaults write com.apple.dashboard mcx-disabled -boolean NO
Kill the Dock again and the Dashboard is re-enabled.