- To enable this feature: defaults write com.apple.dashboard devmode YES
- To disable this feature: defaults write com.apple.dashboard devmode YES
- To move a widget start to mode it so it is attached to your mouse and then press F12. This works it both ways.
In fact I just had the problem that a dashboard widget was on my desktop and I did not know how to remove it again (move it back to the dashboard) since I completely forgot about this feature. This blog entry is the reminder for next time.
:-)