摘要:
https://github.com/rbenv/rbenv#installation 安装ruby的第三步 Run ~/.rbenv/bin/rbenv init for shell-specific instructions on how to initialize rbenv to enabl 阅读全文
摘要:
http://stackoverflow.com/questions/4307411/how-to-express-a-not-in-query-with-activerecord-rails I'm using this: Topic.where('id NOT IN (?)',actions) 阅读全文