anchor.diff:  
   # Etc...
   
  -{% endhighlight %}
  -
  -</div>
  -
  -<div data-lang="Java SDK">
  -
  -{% highlight java %}
  +```
  +  </div>
  +  <div data-tab="Java SDK" data-lang="java">
  +```java
  +
   import com.google.common.collect.ImmutableMap;
   import io.prediction.Event;
   import io.prediction.EventClient;
  
positive.code: */
  {% endhighlight %}
  
  </div>
  
  <div data-lang="REST API">
  
  {% highlight rest %}
  
  # Set the 4 properties for a user
  
  
negative.code: You can send these data to PredictionIO Event Server in real-time easily by
  making a HTTP request or through the `EventClient` of an SDK.
  
  <div class="tabs">
    <div data-tab="Python SDK" data-lang="python">
  ```python
  import predictionio
  
  client = predictionio.EventClient(
  