nemesis wrote:

> is learning not useful?

Depends on your point of view.

On the one hand, knowing stuff always holds the possibility that one day 
it'll somehow be useful.

On the other hand, what possible purpose could there be to knowing how 
to build an RS Flip-Flop from two NOR latches? I mean, unless I actually 
get hired by an IC design firm (which will never, ever happen), it's 
useless knowledge. It has no practical use of any kind. Hell, even 
learning to use regular expressions is theoretically more useful!

http://xkcd.com/208/

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