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The Miners

Codeminer42’s Engineering Blog

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  • #6982 (no title)

Category: Ruby

What Puma, Falcon, and Pitchfork teach you about Ruby concurrency

What Puma, Falcon, and Pitchfork teach you about Ruby concurrency

Edy Silvaby Edy SilvaMay 27, 2026

I went on a tour of Ruby concurrency while preparing a RubyConf talk on Ractors. Going in, I knew Puma, Falcon, and Unicorn. Coming out, …

My First Two Weeks as an Agentic Engineer

My First Two Weeks as an Agentic Engineer

Moisés Carvalhoby Moisés CarvalhoMay 19, 2026May 19, 2026

There’s a version of this post where I tell you AI made me 10x more productive, everything clicked on the first try, and I’m now …

Stop Reading AI Code. Start Measuring It. (A Rails Playbook.)

Stop Reading AI Code. Start Measuring It. (A Rails Playbook.)

Paulo Tarsoby Paulo TarsoApril 23, 2026April 23, 2026

So I was scrolling through Twitter the other day — half-reading, not really looking for anything — and this tweet from Uncle Bob caught my …

How To Build An AI Agent For Talent Matching – Part 2

How To Build An AI Agent For Talent Matching – Part 2

Paulo Tarsoby Paulo TarsoJanuary 29, 2026February 9, 2026

In the first post of this series, our great Edy Silva tried multiple approaches for a Talent Matching system that would work for our little …

Rails Multi-Databases and Tenancy: How You Can Do It Today Exploring how to implement multi-databases and tenancy in Rails 8.1 with SQLite and ActiveRecord::Tenanted

Rails Multi-Databases and Tenancy: How You Can Do It Today

Exploring how to implement multi-databases and tenancy in Rails 8.1 with SQLite and ActiveRecord::Tenanted

Miguel Marcondesby Miguel MarcondesSeptember 19, 2025January 8, 2026

Portuguese version here: https://tech-pills.github.io/2025-09-18-Rails-Multi-Databases-e-Tenancy-como-fazemos-isso-em-2025/ Hey everyone! Hope you’re doing well. So, you’re building an application and you’ve reached that moment when you think: "Damn, how …

Database Relationships Explained: From Theory to Rails Implementation From Core Concepts to Building Robust Rails Applications

Database Relationships Explained: From Theory to Rails Implementation

From Core Concepts to Building Robust Rails Applications

Igor Damascenoby Igor DamascenoJune 24, 2025July 24, 2025

Before we dive into the topic of relationships between tables in a relational database, it’s worth revisiting the key concepts we explored in our previous …

What It Takes To Foster A Community Around Rails How Rails Shaped The World And How Codeminer42 Helped With It

What It Takes To Foster A Community Around Rails

How Rails Shaped The World And How Codeminer42 Helped With It

Edy Silvaby Edy SilvaJune 4, 2025January 8, 2026

Rails was launched in 2004 and it was a game changer for web development. It was very disruptive at the time, as it didn’t require …

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Recent Posts

  • [Dev Weekly #113] Claude 4.8 Rewrites Agent Systems | Ruby LSP with Prism | Ruby’s Concurrency Finally Explained
  • O que Puma, Falcon e Pitchfork ensinam sobre concorrência em Ruby
  • What Puma, Falcon, and Pitchfork teach you about Ruby concurrency
  • [Dev Weekly #112] Andrej Karpathy Joins Anthropic to Lead Frontier AI | The Real Cost of Agentic Engineering | When Rails Breaks at Scale
  • Minhas Primeiras Duas Semanas como um Engenheiro Agentic

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