January 2018
Intermediate to advanced
336 pages
7h 22m
English
Content preview from Node.js 8 the Right WayBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Publishing and Subscribing to Messages
ØMQ supports a number of different message-passing patterns that work great in Node. We’ll start with the publish/subscribe pattern (PUB/SUB).
Recall the code we wrote in Chapter 3, Networking with Sockets, when we developed a networked file-watching service and a client to connect to it. They communicated over TCP by sending LDJ messages. The server would publish information in this format, and any number of client programs could subscribe to it.
We had to work hard to make our client code safely handle the message-boundary problem. And we created a separate module dedicated to buffering chunked data and emitting messages. Even so, we were left with questions like how to handle network interrupts and ...
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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.