On Thu, 03 Aug 2006 21:17:24 +0100
Matthew Wilson <[EMAIL PROTECTED]> wrote:
> Andrey Gromyko wrote:
> > Hi All,
> >
> > In the NewsFox extension I use next lines to download feed(s):
> >
> > var xmlhttp = new XMLHttpRequest();
> > xmlhttp.open("get", feed.url);
> > xmlhttp.setRequestHeader("User-Agent", "Mozilla/5.0
> > NewsFox/0.3.4"); xmlhttp.overrideMimeType("application/xml");
> > xmlhttp.onload = function() { checkFeed(index,
> > xmlhttp.responseXML); } xmlhttp.send(null);
> >
> > Adding the next line before send doesn't help to avoid the use of
> > Firefox's cache: xmlhttp.channel.loadFlags =
> > Components.interfaces.nsICachingChannel.LOAD_BYPASS_CACHE;
> >
> > And that causes problems with some feeds. Does anybody know how can
> > I bypass the cache? Similarly tp the behaviour of the browser when
> > somebody pressed Shift+Reload.
>
> Arguably you should be respecting the cache here. If a feed is set up
> so that newsreaders only refetch it every hour (for example), then
> that's a deliberate strategy to reduce bandwidth, and a well-behaved
> client follow the rules.
There is at least one news-feed I know which has 100+ new entries a day and
Firefox (which, I assume, "respects the cache") doesn't fetch an updated xml
without unless I press Shift+Reload. What would you say about that? (rhetorical
question...)
Regards,
Andrey
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