anchor.diff:                      <span class="content-rating right">
                           <div class="ratings">
                               <div class="rating-box">
  -                                <% (1..@rating.star).each do |star| %>
  -                                    <span class="fa fa-stack"><i class="fa fa-star fa-stack-1x"></i></span>
  -                                <% end %>
  -                                <% (1..(5-@rating.star)).each do |star| %>
  -                                    <span class="fa fa-stack"><i class="fa fa-star-o fa-stack-1x"></i></span>
  -                                <% end %>
  +                                <%= raw stars(@rating.star) %>
                               </div>
                           </div>
                       </span>
  
positive.code:                 <span class="content-rating right">
                      <div class="ratings">
                          <div class="rating-box">
                              <% (1..rating.star).each do |star| %>
                                  <span class="fa fa-stack"><i class="fa fa-star fa-stack-1x"></i></span>
                              <% end %>
                              <% (1..(5-rating.star)).each do |star| %>
                                  <span class="fa fa-stack"><i class="fa fa-star-o fa-stack-1x"></i></span>
                              <% end %>
                          </div>
                      </div>
                  </span>
  
negative.code:                         <i class="fa fa-trash-o"></i>
                      </a>
                  </span>
                  <% end %>
              </div>
              <div class="content-title">
                  <p><%= rating.content %></p>
  