Write Software, Well (Page 7)

Understanding the Rails Router: Why, What, and How

The router is the entry point of your Rails application. It acts as the gatekeeper for all incoming HTTP requests, inspecting and sending them to a controller action; even filtering and rejecting them if necessary. In this article, we’ll do a deep dive into the Rails Router to understand it better.

This article is for Members only

23 min read

What is FILE in Ruby?

You must have come across the mysterious term __FILE__ while reading Ruby code. It's a magic variable that returns the name of the current file. This short post shows a few different use cases that I found while reading the Rails source code.

Ruby Gems 1 min read

Prevent Logging Sensitive Data with Rails Parameter Filters

This article explains why you shouldn't log confidential or user-identifiable information and how to filter it using parameter filtering in Rails. We'll also do a deep dive into the Rails source code to learn exactly how Rails implements parameter filters.

Rails Internals 10 min read

💬 Understanding How Rails Environments Work

This post covers the basics of environments in Rails, including what they are, how they work and why they're so important. We'll also take a look behind the scenes and dive into the Rails source code to learn exactly how they're implemented, exploring a few interesting "inquiry" classes in Rails.

Rails Internals 6 min read

Learn to Program Ruby with Me

Any topic, no matter how basic, can be made much more interesting if you dig deep enough, and we can always improve, grow, and extract more out of our education. This post announces a new tutorial on this blog where we'll learn to program in Ruby from the absolute basics. Hope you join me.

Learn to Program 4 min read

How to Process a Turbo Stream Response in JavaScript using Stimulus

It’s common to make HTTP fetch request to get some data from the server. It’s also convenient to update the HTML via Turbo Stream responses. What if you could combine the benefits of them both? This post shows you how to process Stream responses in JavaScript, without mucking around with the DOM.

Clientwork 6 min read

The Rails Config File

You must have used a `~/.bashrc` or `~/.zshrc` file to configure your environment. Did you know Ruby on Rails has a `~/.railsrc` file that configures your Rails applications? Not only that, it lets you pre-configure the gems you want in all your Rails applications. This post shows how it works.

3 min read

See Other After Destroy

This post explains why you should use the 303 See Other HTTP status after destroying a resource, instead of using 302 Redirect.

1 min read

How to Remove Whitespace from a String in Ruby

Often, you want to sanitize a string variable by removing all leading and trailing whitespaces around it. This is usually needed when you receive the string input from a user or an external source. This post shows you how.

Ruby Gems 2 min read

Annual Blog Review: 2023

Every year, I do a personal annual review. This year, I thought why not do the same for my blog, since it has become such an integral part of my life, both personal and professional. This post contains some of the highlights and a list of all the articles I wrote in 2023.

Annual Review 31 min read

Enqueue Multiple Jobs Together with perform_all_later in Rails

Are you still looping over the list of jobs to enqueue them individually? This post explores the new `perform_all_later` method in Rails, which was introduced in Rails 7.1 and lets you enqueue multiple jobs together to reduce the round-trip to the job backend, like Redis or the database.

4 min read

Nested Modules in Ruby

There are two different ways to define nested modules in Ruby. This post explains them both along with the differences between them and how to decide which one to use. We will also learn about the `Module.nesting` method, which returns the list of nesting for a module.

Ruby Gems 3 min read