riioch https://ruby-china.org/riioch en-us "wget -O - http://foo.com",'-O' 后的'-'什么含义? <p>如题请教</p> riioch Fri, 11 Jul 2014 10:13:16 +0800 https://ruby-china.org/topics/20435 https://ruby-china.org/topics/20435 line 189: __rvm_db: command not found on RVM install <p>OSX， Attempting to install with curl piped to bash.</p> <p>Get the following error x5:</p> <p>./scripts/functions/utility_system: line 189: __rvm_db: command not found</p> <p>ANY IDEA ?</p> riioch Sun, 22 Sep 2013 23:09:59 +0800 https://ruby-china.org/topics/14302 https://ruby-china.org/topics/14302 为什么 ruby 版本如此变化? <p><img src="//l.ruby-china.com/photo/de3a96fabdd03633252d4347cdcaae74.png" title="" alt=""></p> <p>见图， <code>rvm list</code> 显示只安装有 2.0.0，而且是默认版本. 但是<code>ruby -v</code>却显示 1.9.3 但<code>bash --login</code>后就变成 2.0.0 了 不知道是怎么回事，希望解释一下。</p> riioch Sat, 27 Jul 2013 15:49:24 +0800 https://ruby-china.org/topics/12825 https://ruby-china.org/topics/12825