On Fri, Apr 26, 2002 at 02:48:17PM -0700, Terrel Shumway wrote:
> On Fri, 2002-04-26 at 09:39, Kendall Clark wrote:

> DELETE is idempotent (once it is gone, it is gone), but charging a
> credit card is not.

Yeah, it really is. Each GET has the same effect: to charge the same amount
on a credit card. That over the course of N GETs the *total* charge is N *
amount is no different than that, over the course of N GETs, a hit counter
is incremented N times.

> Thank you, Kendall, for helping me to clarify this in my mind.
> Idempotence is not the issue, safety is.

They are both issues, but, yes, GET and DELETE are both supposed to be
idempotent, but GET is supposed to be safe, too.

And yr welcome.

Kendall


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