anchor.diff:      gaugeData = new google.visualization.DataTable();
       gaugeData.addColumn('number', 'Temperature');
       gaugeData.addRows(1);
  -    gaugeData.setCell(0, 0, 28);
  +    gaugeData.setCell(0, 0, <%= @weather.last.temperature %>);
   
       gauge = new google.visualization.Gauge(document.getElementById('temperature_gauge'));
       gauge.draw(gaugeData, gaugeOptions);
  
positive.code:   <%= @log.content %>
  </div>
  
  <% if @weather.present? %>
  <div id="temperature_gauge"></div>
  
  <script type="text/javascript" src="https://www.gstatic.com/charts/loader.js"></script>
  
negative.code:   }
  })();
  </script>
  
  <div id="weather_chart"></div>
  
  <script>
  