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Duplicate? Yes. Accidental? I'm not sure. It's possible the answers that the first one was getting weren't helping, so it was asked again in a new, slightly different, way.
reasonable question... If it hadn't already been answered, I would have answered it
Exactly! That's my point in a nutshell. I too, almost fell for the bait. It was just about an interesting enough question that, upon reading it, I began to think about how best to answer it. When I saw the existing replies, one or two of them already covered the points I'd have made, so I held back. Then I saw the other nearly identical post, which started me thinking about this whole phenomenon.
doesn't look like homework.
You're right. It didn't at first to me either. It took the second post for me to recognize it as such.
'Trolling' already means something else.
Okay, perhaps there's a better word. Or maybe in the context of PerlMonks, and all that entails, 'Troll' can have a specific, different other meaning, as I've suggested above.
dmmYou can give a man a fish and feed him for a day ...
Or, you can teach him to fish and feed him for a lifetime