On Apr 16, 2009, at 7:43 PM, Marcel Weiher wrote:
Hi Wagner,
we have rather impressive hardware these days, and Objective-C can
access all that power if you let it.
No kidding.
Incidentally, the - [start timeIntervalSinceNow] you used in your
code is a really clever trick for getting elapsed time, it took me a
while to figure out that it was not a bug :-)
Thanks. To be honest, I didn't (and still don't) know what the
standard way to do it is so I looked at the documentation for NSDate
and, by chance, the first method my eyes landed on was -
timeIntervalSinceNow. It says that if the receiver is an earlier date
than now, the result is negative, so I cooked up the code you saw.
Maybe if I wasn't in a such a hurry, I'd have figured out how to do it
in a less enigmatic way. So, what *is* the standard way to measure
elapsed time?
Wagner
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