August 2000
Intermediate to advanced
816 pages
18h 34m
English
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Cursors
Cursors are used by MSMQ to keep track of an application's place in a queue. An application can maintain and manipulate many cursors simultaneously using the MSMQ Library. The MSMQ ActiveX queue objects maintain a single cursor behind the scenes. Both mechanisms enable messages to be examined and optionally removed as cursors are advanced through the queue. Because several applications can interact with a queue concurrently, cursors might not always point to a message. Such is the case when another application removes a message from a queue after your application has already advanced its cursor to that message, but before your application has a chance to actually remove the message.
Cursors are used only when you are interested in messages ...
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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.