Using Bootstrap tooltip on disabled buttons

I've been trying to get a tooltip on a disabled button in bootstrap. Well that didn't work. So here is the trick: overlay the disabled buttons with a div:

Here is the JSFiddle

Bootstrap Tabs and Google Charts

Today I've encountered an interesting problem. It seems that when an object is hidden, it breaks the properties of width and height. Very annoying. Using Bootstrap I had a set of tabs. Each tab contained a graph of some sort. The chart on the initial tab was being displayed just fine. However for all the...