March 2018
Intermediate to advanced
244 pages
6h 10m
English
Content preview from Adopting ElixirBecome 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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Supervisors
Most new Elixir developers tend to think of supervisors in terms of fault tolerance because they provide the restart strategies that are the essential part of building reliable systems. Supervisors are so much more. They form the backbone of Elixir applications.
Ultimately, supervisors are responsible for how our processes start and shut down, whether an application is crashing and restarting or simply starting. Restarting of processes is optional, while starting and stopping them is essential. Let’s explore startup flow by addressing a bug in our PathAllocator implementation defined in Use GenServer as a Coordinator.
Starting a supervisor is a matter of defining all of its child specifications and then calling start_link. A child ...
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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.