January 2019
Intermediate to advanced
460 pages
10h 33m
English
Content preview from Hands-On Full-Stack Web Development with GraphQL and React
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GraphQL and WebSockets
In Chapter 1, Preparing Your Development Environment, I explained all the main features that make GraphQL so useful. We mentioned that HTTP is the standard network protocol when using GraphQL. The problem with regular HTTP connections, however, is that they are one-time requests. They can only respond with the data that exists at the time of the request. If the database receives a change concerning the posts or the chats, the user won't know about this until they execute another request. The user interface shows outdated data in this case.
To solve this issue, you can refetch all requests in a specific interval, but this is a bad solution because there's no time range that makes polling efficient. Every user would make ...
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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.