January 2002
Beginner
480 pages
13h 15m
English
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jabber:x:delay
Messages are sometimes sent to
entities that aren’t available at that particular
moment. If they are stored offline, they are timestamped, in the
jabber:x:delay namespace, so that when they are
finally received, the recipient can use this information to determine when
they were originally sent:
RECV: <message to='sabine@yak/Work' from='yak'>
<subject>Weekend at last!</subject>
<body>Don't forget Father's Day on Sunday!</body>
<x xmlns='jabber:x:delay' from='yak/announce/motd'
stamp='20010615T09:00:01'>Announced</x>
</message>
In this Message-Of-The-Day (MOTD) announcement, we see that, as well as
the stamp attribute showing that the announcement
was sent out on the Friday morning before Father’s Day, a short
text description, “Announced”, is included.
The namespace is also used by the xdb component to
timestamp various fragments of data stored in the user’s records on the
server. Here, we see that Sabine updated
her user registration details (using a jabber:iq:register
query during her session) at the beginning of March:
<query xmlns='jabber:iq:register' xdbns='jabber:iq:register'> <name>S. Reitz-Adams</name> <email>sabine@reitz-adams.org</email> <x xmlns='jabber:x:delay' stamp='20010302T12:15:42'>updated</x> </query>
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.