摘要：
照着rubyOnRails的guide编写自己的第一个blog，在 rake db:create数据库时碰到错误：Could not find a JavaScript runtime. See https://github.com/sstephenson/execjs for a list of available runtimes.解决方法：In your Gemfilewrite thisgem 'execjs'gem 'therubyracer'and then runbundle install 阅读全文
