Write Software, Well (Page 2)

A Brief Introduction to Rails Initializers: Why, What, and How

At first glance, Rails initializers seem complex, but they're solving a simple, but important problem: run some code after framework and gems are loaded, to initialize the application. This post covers the basics of initializers, including what they are, how they work, and how Rails implements them.

Rails Internals 7 min read

Not-Null Shortcut in Rails 8 Migration Generator

Rails 8 lets you mark a database column as not-null by appending an exclamation mark after the column while generating a migration. It's a nice quality of life improvement. This post also contains a few things I learned after reading the pull request.

2 min read

If You're a WordPress Developer, Learn Ruby and Rails

With the recent WordPress drama, many developers might be concerned about its future. While WordPress isn't likely to go away, now might be the perfect time to invest in learning other tools and technologies. I suggest Ruby on Rails - you won't regret it!

2 min read

How to Count the Number of Commits After a Specific Commit in Git

Counting the number of commits after a specific commit in Git is a common task when you make small but frequent commits and need to squash them before rebasing from the main branch. This post shows one simple way to do this in git. Let me know if you know a better solution.

2 min read

The Rails Router Handbook

For the past few days, I've been trying to learn everything I could about the Rails router. I compiled all of my notes together with the past articles on this blog, and published a handbook on the router. I hope you find it useful and you learn a thing or two about the incredible Rails Router.

4 min read

Routing Concerns in Rails

You must have used concerns in Rails. Did you know you can also use concerns for your routes? They allow you to declare common routes to be reused in other resources and routes. This post covers the basics of routing concerns, including what they are, how they work, and when you might need them.

Router 3 min read

Understanding Shallow Nested Routes in Rails

💡This post is part of my handbook on the Rails Router.The Rails RouterEverything you need to know about the incredible routing system in Rails.

Router 3 min read

Working with Resourceful Routes in Ruby on Rails

The concept of resourceful routing took me a long time to understand, but once it clicked, it changed how I viewed web applications. This post covers the basics: what a resource is, the routes it generates and how resourceful routing provides a nice organizational structure your Rails applications.

Router 7 min read

How to Route an Incoming URL to a Rack Application in Rails

The Rails router can dispatch an HTTP request to a Rack endpoint, either in your application or within a gem. This is useful when you want to provide a well-isolated web UI or front-end to the users of your gem. In this post, we'll learn why you may want to do this, how it works, and how to do it.

Router 7 min read