chrestomanci:

You've written some very good nodes in the brief time (since Nov of this year; 40-some days)... and your view (above) finds support in the Monastery's guidance (so NO - - ), but, in this case

you're teaching your grandfather how to suck eggs!

Bishop moritz earned his exalted station, too, and has been here enough longer than you to know the local mores.

So why have I troubled myself to reply?

Because moritz' golfed solution, if submitted by a student to satisfy a homework assignment, would reveal itself immediately as work copied from somewhere, not arrived at independently. (In fact, IMO, sometimes in the wake of a particularly lazy question, such a reply is offered in hopes that that lazy one will plagarize and be caught.)

More often, I suspect, such an answer is offered because it can provide a learning opportunity to the diligent student, even if it does no more than inspire that student to de-obfuscate the expert's code.

Update: mis-spelling corrected

In reply to Re^3: OT: Calculate prime factors for a given numer in a perl one-liner by ww
in thread Calculate prime factors for a given numer in a perl one-liner by andmott

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