visionmedia/express — pull request #1016 by tstrimple (2012-02-18 23:25:34+00:00)
Title: Added the ability to force the install of express scaffolding to a non-empty directory.

I have used this to successfully install scaffolding using a local copy (non-global) of express into the same directory that express was installed from. Cloud9 does not give you the opportunity to say yes to the empty directory warning, so this was used as a workaround.

npm install express
node node_modules/express/bin/express -f