Codeminer42's Engineering Blog
Ruby on Rails
How Far Can AI Self-Validate Rails Code?
A few weeks ago, I wrote Stop Reading AI Code, Start Measuring It: A Rails Playbook. The idea there was that if you stop hand-reviewing every line of AI-generated code,…
Mastering Derived Tables in Rails
Hey fellow Rails developers! Ever found yourself wrestling with complex SQL queries that involve aggregations, subqueries, or needing to join against computed results? Today, we're diving into one of the…
[Dev Weekly #98] GLM-5 Goes Fully Agentic, Qwen-Image-2.0 Rivals Human Creativity, the “Death” of Heroku, and TypeScript 6.0
HELLO EVERYONE!!! It’s February 13th 2026, and you are reading the 98th edition of Codeminer42’s tech news report. Let’s check out what the tech world showed us this week! An…
Everything you should know about Background Jobs with ActiveJob
Orchestrating background tasks (or "jobs," as they are often called) is common in web development. Any application that deals with time-consuming operations, such as sending emails, processing images, or integrating…
How To Build An AI Agent For Talent Matching – Part 2
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 problem. What is the problem?…
