Something that I found both helpful and unhelpful, and at the same time amusing, is that Irrlicht's functions can be given too much documentation. That is really helpful on how to use a function, but VS2013's intellisense decides to display it ALL AT ONCE, in a single tooltip. I'm still going through the tutorials, and I keep having to scroll through the code so the tooltip is out of the way so that I can see the other documentation. It gets really funny when you use a function like createCollisionResponseAnimator() and have a single tooltip covering half the screen like this:
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