January 2016
Intermediate to advanced
240 pages
7h 36m
English
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Why Use Rails Validations?
Given the power that check constraints give us, why would we bother with Rails validations at all? The answer is part of why taking a full-stack view of development is so important—the user experience.
Rails validations are an elegant and powerful way to give users a great experience when providing data via web forms. The validations API is incredibly expressive, configurable, and extensible. If you remove the validations from our code and attempt to register with an invalid email, you’ll get an exception—not a good user experience.
This does result in some duplication, which is a chance for inconsistency to creep into our app, but we can fight this by writing tests for each part of the stack (which we’ll do in ...
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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.