anchor.diff:            <% @subcomments = Note.find_all_by_parent_id comment.id %>
             <% @subcomments.each do |subcomment| %>
               <% @subsubcomments = Note.find_all_by_parent_id subcomment.id %>
  -            <% @subsubcomments_count = @subsubcomments.count %>
  +            <% @subsubcomments_count = @subsubcomments.length %>
               <tr>
                 <td class="blank"></td>
                 <td colspan = "3"><%=h subcomment.user %>: <%=h subcomment.body %></td>
  
positive.code: 
  
       <% @comments = Note.find_all_by_parent_id note.id %>
       <% @comments_count = @comments.count %>
  
     <tr>
      <td>
  
negative.code: 
      <% @comments.each do |comment| %>
        <% @subcomments = Note.find_all_by_parent_id comment.id %>
        <% @subcomment_count = @subcomments.length %>
        <tr>
          <td colspan ="3"><%=h comment.user %>: <%=h comment.body %></td>
          <td align="right" width="125px">
  