using gists (inc w sublime) and markdown

gistfile1.txt

Start here
  http://opentechschool.github.io/social-coding/extras/gists.html

Formatting gists, best of the bunch
  http://gist.io/  
  for example 
    http://gist.io/3135754


With Sublime
  http://aspirecode.com/create-and-open-github-gists-from-sublime-text/

Social gists
  http://gistflow.com/tags/rails
  for example this
    http://gistflow.com/posts/865-install-xubuntu-under-virtualbox-and-prepare-it-for-development-with-ruby-on-rails-rubymine

Markdown basics
  http://daringfireball.net/projects/markdown/basics