title: save an active records array
body: <p>I have an array like this</p>
  
  <pre><code>a = []
  
  a &lt;&lt; B.new(:name =&gt; "c")
  a &lt;&lt; B.new(:name =&gt; "s")
  a &lt;&lt; B.new(:name =&gt; "e")
  a &lt;&lt; B.new(:name =&gt; "t")
  </code></pre>
  
  <p>How i can save it at once?</p>