[dsego]

Github has this, but better. Instead of just typing delete, you type in the name of the repo you want deleted. As a UX pattern, however, this should be avoided if possible.

Aza wrote about this way back in 2007: http://alistapart.com/article/neveruseawarning

[petervandijck]

"type DELETE" is a big improvement on the old alerts that Aza wrote about. I think it actually fixes the problem.