March 2018
Intermediate to advanced
244 pages
6h 10m
English
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Message Delivery Guarantees
Good developers often associate certain words with particular pitfalls or techniques for avoiding them. Large dataset aggregation suggests the map-reduce pattern; immutability may suggest functional languages. In this section, we’ll build another association. Whenever you consider events, you should also consider message delivery guarantees.
Consider a simple welcome email that you might want to send each time a user creates an account. You could do so asynchronously with the Task module, but if the client fails or the server abruptly terminates, the email won’t be sent. Maybe you are willing to live with the consequences—if the email contained the user confirmation token, they can always request a new one later. ...
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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.