October 2017
Intermediate to advanced
566 pages
14h 31m
English
Content preview from Drupal 8 Module Development
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Overrides
We saw that configuration exists in the database but actually belongs in neatly-organized and well-described YAML files. In order for the configuration from the YAML files to be used, they need to be imported--either via synchronization or upon module installation for those provided by modules. So, this means that the database still holds the active configuration.
To make things more dynamic, the configuration API also provides an override system by which we can, at various levels, override on the fly the active configuration. In Drupal 7, that was done via the global $conf variable, but that was also a way to unfortunately leak the overrides into the actual configuration pool. This is no longer the case in Drupal 8 and we also ...
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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.