title: no such file to load -- nokogiri
body: <p>I have followed this instructions (for Macosx):
  <a href="http://nokogiri.org/tutorials/installing_nokogiri.html" rel="nofollow">http://nokogiri.org/tutorials/installing_nokogiri.html</a></p>
  
  <p>GemFile</p>
  
  <pre><code>gem 'nokogiri'
  </code></pre>
  
  <p>Controller's code:</p>
  
  <pre><code>require 'rubygems'
  require 'nokogiri'
  require 'open-uri'
  </code></pre>
  
  <p>I use Rails 3.1.3</p>
  
  <pre><code>LoadError in ScriptsController#tv2db
  
  no such file to load -- nokogiri
  </code></pre>
  
  <p>If i use "irb", it's ok</p>
  
  <pre><code>&gt;&gt; require 'nokogiri'
  =&gt; true
  </code></pre>