Github user AhyoungRyu commented on the issue: https://github.com/apache/zeppelin/pull/1842 When I enable zero or only one vizualization, <img width="980" alt="screen shot 2017-01-12 at 12 13 32 am" src="https://cloud.githubusercontent.com/assets/10060731/21853851/fd09d836-d85b-11e6-99ee-4320e309676c.png"> I didn't no that there is reordering feature. It'll be better to show some messages in this case as well so that ppl can know about this. What do you think? And when I tried to reorder the icons, it doesn't work `left -> right`. It only works `right -> left` like below. 
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