https://ruby-china.org/jc851105 en-us <p>调用什么函数可以实现重启电脑的功能啊</p> jc851105 Thu, 07 Mar 2013 10:57:22 +0800 https://ruby-china.org/topics/9206 https://ruby-china.org/topics/9206 <p>如何查询一个键的某个 value 是不是存在啊</p> jc851105 Tue, 26 Feb 2013 14:07:51 +0800 https://ruby-china.org/topics/8939 https://ruby-china.org/topics/8939 <p>想要调用 wmi 进行操作，请问 ruby 如何去调用啊</p> jc851105 Mon, 25 Feb 2013 10:12:51 +0800 https://ruby-china.org/topics/8904 https://ruby-china.org/topics/8904