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    <p>You can also install use <strong>rbenv</strong> to install and manage different versions of Ruby.</p> <p><strong>Note:</strong> I don't have anything against rvm. I simply noticed that installing various Rubies is a constant source of questions, both in Stack Overflow and also at work!</p> <p><strong>Requirements</strong></p> <ul> <li>Here I'm assuming that you have <a href="http://mxcl.github.com/homebrew/" rel="nofollow">Homebrew</a>. (If you haven't installed that yet, make sure your permissions are correct on <code>/usr/local/</code> after installation is complete, or you can run into mysterious-looking errors that should not be preventing you from installing Ruby.)</li> <li>Run <code>rvm implode</code> before installing rbenv. This will destroy rvm.</li> </ul> <p><strong>To install rbenv using Homebrew</strong></p> <ol> <li><p>Update Homebrew.</p> <pre><code>$ brew update </code></pre></li> <li><p>Install rbenv.</p> <pre><code>$ brew install rbenv </code></pre></li> <li><p>Install ruby-build.</p> <pre><code>$ brew install ruby-build </code></pre></li> <li><p>Follow the instructions listed after installing these formulae in order to make it available correctly in your shell.</p></li> </ol> <p><strong>To install Ruby 1.9.3</strong></p> <ol> <li><p>See what versions of Ruby you can install.</p> <pre><code>$ rbenv install </code></pre></li> <li><p>Install one. The lastest as of this post is <code>1.9.3-p194</code>.</p> <pre><code>$ rbenv install 1.9.3-p194 </code></pre></li> </ol> <p><strong>To use Ruby 1.9.3</strong></p> <pre><code>$ rbenv global 1.9.3-p194 </code></pre> <p><strong>To rehash rbenv</strong></p> <p>Sometimes you need to run <code>rbenv rehash</code>, like when you install a gem that has native extensions for your operating system.</p> <pre><code>$ rbenv rehash </code></pre> <p>There are lots of other things you can do with rbenv, like use a particular Ruby in a particular directory, or a particular ruby in the shell. See the appropriate docs for more info!</p>
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    1. POInstalling Ruby 1.9.3 on Mac
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    1. USKevin Dickerson
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Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

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