anchor.diff:  
   <div id="comments">
       <h3>Có <%= @blog.comments.count %> bình luận cho bài viết này</h3>
  -    
  +
       <div class="commentlist">
           <% comments.order('created_at DESC').each do |comment| %>
               <div id="comment-181" class="comment even thread-even depth-1 media">
  
positive.code:                         <div class="media-content row-fluid">
                              <p><%= comment.message %></p>
                              <a onclick="" rel="nofollow" class="right comment-reply-link" href="#reply"
                                 aria-label="Reply to <%= comment.user_name %>"><i class="fa fa-reply"></i> Trả lời</a>                            
                              <% if can? :delete, comment %>
                                  <a class="right favor satis remove-comment"
                                      href="<%= erp_online_store.delete_blog_comment_path(comment) %>"
  
negative.code:     $(document).ready( function() {
          $('.comment_form').validate();
      })
  </script>
  