Re: finding time when url was modified
From: Jeremy Bowers (jerf_at_jerf.org)
Date: 09/28/04
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Date: Tue, 28 Sep 2004 03:41:43 GMT
On Tue, 28 Sep 2004 12:57:45 +1000, Ajay wrote:
> thanks
> it was mostly out of curiousity. I have an interchange where the servers
> would send a policy and request a resource. the other server would
> evaluate the policy and respond accordingly.
I would recommend going a little more deeply into the HTTP standards, and
then examining what the capabilities of your servers are. I have no
experience with mobile devices.
In particular, take a look at the E-Tags field; if you have support for
it, that will pretty much do exactly what you want with nearly no work on
your part if I am reading your requirements correctly; all you have to do
is catch the HTTP result code and do the right thing with it.
A shocking number of people re-implement large chunks of HTTP in the HTML,
which is painful and often ineffective. HTTP is pretty cool, if you use it
to the full and not just as a glorified file, ignoring the headers.
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