I can give it a try. I don't know much about the quirks of hashtables in GUI, so I wouldn't be the right guy to write that. But I could call it something like "How to wrap your head around hashtables". Have you tried this tutorial?
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HIVE
Antares
deepstrasz
I think I have sometime long ago 
I'll try giving it another go sometime if you say it's easy to understand.
I'll try giving it another go sometime if you say it's easy to understand.