PawEng

There are a number of tools available for mounting a CD or DVD image (like an ISO file) as a disk under windows. This is useful for accessing CD / DVD images for example on a laptop without an optical drive, or for accessing multiple disks at once without having to swap CDs or DVDs [...]

Slashdot asked their readers to write about useful tricks for Unix, Vim, and Emacs. It makes for some interesting reading.

(Useful) Stupid Unix Tricks?
(Useful) Stupid Vim Tricks?
(Stupid) Useful Emacs Tricks?

Update on 11/10/2008: Slashdot posted another one: (Useful) Stupid Regex Tricks?