Rails实用工具

HTML在线http://w3schools.com/html/tryit.asp?filename=tryhtml_intro

                  http://www.w3school.com.cn/tags/tag_a.asp

EC2         https://console.aws.amazon.com/ec2/home?region=us-east-1#s=Instances

ruby帮助  http://ruby.railstutorial.org/chapters/a-demo-app.html?version=3.2#sec-planning_the_application

ruby代码  https://github.com/cantierecreativo/railsyardcms/tree/master/app/cells