mac配置ruby on rails环境
mac ror
Icon-blank 1.https://gist.github.com/836679
2.rvm install ruby-1.9.1-p378
3.http://superuser.com/questions/208259/installing-ruby-1-9-1-on-os-x-with-rvm-getting-error-i-cant-make-sense-of
4. 注意: 用以前的ruby-mysql 安mysql driver 会出错 ，问题的原因还没找到
5. 用gem 安装 mysql，有UTF－8 的问题
6. brew mysql.rv 版本
https://github.com/mxcl/homebrew/commits/master/Library/Formula/mysql.rb
装机
Icon-blank https://gist.github.com/836679
http://devbbs.doit.com.cn/archiver/tid-33299.html
http://hearrain.com/2011/01/495 删除mysql
rvm ruby 安装 readline出错
Icon-blank http://superuser.com/questions/208259/installing-ruby-1-9-1-on-os-x-with-rvm-getting-error-i-cant-make-sense-of
rvm
Icon-blank rvm gemset copy 出错
rvm gemset pristine
