'Re: [Zope] html2pdf'

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List:       zope
Subject:    Re: [Zope] html2pdf
From:       "Jonathan Hobbs" <toolkit () magma ! ca>
Date:       2004-06-30 11:06:32
Message-ID: 001301c45e92$4cfcf960$647ba8c0 () jhdesktop
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From: "trashMan" <trashman@httconsulting.com>
> I've a big problem with html2pdf.
> I've a zpt with an image "myimage.jpg". The content of "myimage.jpg"
changes
> every time.
> When i call the script html2pdf on the page the pdf is generated correctly
> but....if i recall subsequently the page I have always the first
> "myimage.jpg".
> It seems the image "myimage.jpg" is cached (i don't know where! I haven't
> set anything about cache).
> how can I  resolve this problem?

To make sure you are not storing a version in the browser cache use the ctrl
+ F5 (IE, I don't know what the NN equivalent is) to reload the page.  ctrl
+ F5 will cause the browser to request a version of the page from the server
(not serve up the page from the browser cache - which is done if the
timing/caching paramaters in the page header indicate that the page has not
expired).

You can also try embedding timing/caching parameters in the page header:

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
<meta http-equiv="Content-Language" content="en-ca">
<meta http-equiv="expires" content="Sat, 01 Jan 2001 00:00:00 GMT">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="pragma" content="no-cache">
</head>

HTH

Jonathan

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