Here I summarized some tips about Octopress:

• Easy setup by following Octopress Setup
• Nice deploy by following Deploying to Github Pages
• Simple configuration by following Configuring Octopress
• Beautiful post by following Blogging Basics
• Programmer oriented, see Sharing Code Snippets and Plugins

One drawback:

• May need to upgrade or downgrade to a specific jekyll version to generate posts correctly, that’s why it is called ‘A blogging framework for hackers’

One convenient tool to write markdown post is Mou. Try it!