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The Miners

The Miners

Codeminer42’s Engineering Blog

  • #6982 (no title)
  • #6982 (no title)

Author: Luan Gonçalves

The History of Ruby on Rails: Code, Convention, and a Little Rebellion

The History of Ruby on Rails: Code, Convention, and a Little Rebellion

Luan Gonçalvesby Luan GonçalvesJune 12, 2025July 3, 2025

When Ruby on Rails was first released in 2004, it didn’t just offer a new way to build web applications—it sparked a revolution. Rails, often …

Setting the backstage: Rack and Sinatra Building Web Applications with Ruby, Rack and Sinatra

Setting the backstage: Rack and Sinatra

Building Web Applications with Ruby, Rack and Sinatra

Luan Gonçalvesby Luan GonçalvesApril 8, 2025July 7, 2025

Welcome to this practical guide on how to build web applications using Ruby, Rack, and Sinatra — complete with automated testing using RSpec. This post …

Fundamentals of HTTP and Web Development

Fundamentals of HTTP and Web Development

Luan Gonçalvesby Luan GonçalvesFebruary 18, 2025March 18, 2025

Web development is the backbone of the Internet. Understanding its core concepts is essential for anyone looking to build websites and applications. In this blog …

The Miners’ Guide to Code Crafting: Gearing Up!

The Miners’ Guide to Code Crafting: Gearing Up!

Luan Gonçalvesby Luan GonçalvesJanuary 21, 2025June 17, 2025

The year was 2021. The mines and quarries of Codeminer42 were vast, brimming with untapped veins of innovation, and glittering with the promise of digital …

Setting up ActiveStorage + CloudflareR2 + Quill

Setting up ActiveStorage + CloudflareR2 + Quill

Luan Gonçalvesby Luan GonçalvesApril 30, 2024May 3, 2024

Hello, fellow readers! Today we will do a little hands-on project to implement a Post Editor. Our goal will be to implement a fully functional …

This is the way… the Callable Way

This is the way… the Callable Way

Luan Gonçalvesby Luan GonçalvesDecember 27, 2023April 11, 2024

Hello, fellow readers! Once again, we are here to talk about some neat Ruby features to make your perfect service/operation class. This time, about the …

Ruby and the State of Artificial Intelligence Investigating the Tools and Resources for Artificial Intelligence and Machine Learning around the Ruby Ecosystem

Ruby and the State of Artificial Intelligence

Investigating the Tools and Resources for Artificial Intelligence and Machine Learning around the Ruby Ecosystem

Luan Gonçalvesby Luan GonçalvesSeptember 5, 2023October 17, 2023

Hello, fellow readers! It’s been a while since I showed up here, and today, we’ll talk about a hot topic: Artificial Intelligence (AI) and Machine …

CodeTips#1: Exploring Hashes in Ruby

CodeTips#1: Exploring Hashes in Ruby

Luan Gonçalvesby Luan GonçalvesFebruary 23, 2022September 4, 2024

Hello, fellow readers! Before we can jump right in, we have an announcement! There is a new series of posts here in the blog: CodeTips! …

ActiveRecord Callback Chain: A Cool (and Weird) Edge Case

ActiveRecord Callback Chain: A Cool (and Weird) Edge Case

Luan Gonçalvesby Luan GonçalvesJuly 7, 2021July 4, 2023

Image by jcomp Well, it’s been a while. After a lot of time… I’m back! ( ̄▽ ̄)/ If you haven’t read my last post, give it …

“!” and “?”: Understanding One of Ruby’s Coolest Naming Conventions

“!” and “?”: Understanding One of Ruby’s Coolest Naming Conventions

Luan Gonçalvesby Luan GonçalvesJanuary 29, 2019May 29, 2023

“Well, that’s quite some symbols you got there ♨_♨” – You, after reading this article’s title. It was a calm Friday afternoon here at CodeMiner42, …

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