February 2013
Intermediate to advanced
656 pages
21h 26m
English
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Dealing with an Eventually Consistent Query Model
If the query model is designed to be eventually consistent—query model updates are performed asynchronously following writes to the command model store—there will be resulting idiosyncrasies in the user interface to deal with. For example, after a user submits a command, will the next user interface view have the fully updated and consistent data reflected from the query model? It may depend on system load and other factors. But we had better assume not and design for the worst case, where the user interface is never consistent.
One option is to design the user interface to temporarily display the data that was successfully submitted as parameters of the command just executed. This is a bit of ...
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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.