December 2025
Intermediate to advanced
452 pages
9h 7m
English
Content preview from Layered Design for Ruby on Rails Applications - Second Edition
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4
Rails Anti-Patterns?
In this chapter, we will touch on the hot topic of “the Rails way” controversy. Being almost a 20-year framework, Ruby on Rails has faced its share of criticism (it would be unrealistic to expect software used by millions to get only positive feedback). We will select the most debated Rails features and discuss how to make friends (not foes) with them. We will start by discussing Action Controller and Active Record callbacks. Then, we will move on to Rails concerns. Finally, we look at different examples of using global state in Rails applications.
We will cover the following topics:
- Callbacks, callbacks everywhere
- Concerning Rails concerns
- On global and current states
This chapter teaches you how to use these debated ...
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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.