- https://github.com/thoughtbot/guides/tree/master/style
- https://github.com/styleguide
- https://developer.mozilla.org/en-US/docs/Mozilla/Developer_guide/Coding_Style
- https://google.github.io/styleguide/htmlcssguide.xml
- http://www.w3schools.com/html/html5_syntax.asp
- https://contribute.jquery.org/style-guide/html/
- http://google.github.io/styleguide/javascriptguide.xml
- https://contribute.jquery.org/style-guide/js/ (Recommended)
- http://sass-guidelin.es/#syntax--formatting
- https://css-tricks.com/sass-style-guide/ (Recommended)
- http://primercss.io/
- http://google-styleguide.googlecode.com/svn/trunk/htmlcssguide.xml
- https://github.com/JuanitoFatas/ruby-style-guide/blob/master/README-zhCN.md#源代码排版 (Recommended)
- https://ruby-china.org/wiki/coding-style (与上一个相同的内容，但是 host 在 Ruby China 上)
- https://github.com/styleguide/ruby
- http://rails-bestpractices.com/ (Recommended)
- https://ruby-china.org/wiki/rails-stye-guide (Recommended)
- http://stylesror.github.io/
- http://guides.rubyonrails.org/asset_pipeline.html#asset-organization (Rails 中静态资源的文件组织约定，强烈建议前端的同学阅读)
- http://guides.rubyonrails.org/asset_pipeline.html#coding-links-to-assets (Rails 中直接引用图片、字体等静态资源的方式，同样建议前端同学阅读)
- http://betterspecs.org/zh_cn/ (Recommended)