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Codeminer42’s Engineering Blog

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Tag: Software Development

Everything you should know about Background Jobs with ActiveJob

Everything you should know about Background Jobs with ActiveJob

Lucas Geronby Lucas GeronFebruary 12, 2026February 13, 2026

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 …

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 …

The Journey to Modern Software Engineering Software Engineering - Origin, Purpose and a reference from history

The Journey to Modern Software Engineering

Software Engineering - Origin, Purpose and a reference from history

William Spadaby William SpadaJanuary 15, 2026February 12, 2026

Legacy of the Future: Software Development Computer Generations The first generation of computers (1940–1956) appeared during World War II, when there was an urgent need …

Finite State Machines and how to build any step by step flow in React From theory to practice

Finite State Machines and how to build any step by step flow in React

From theory to practice

Luiz Felipe Dinizby Luiz Felipe DinizNovember 12, 2025November 12, 2025

I was working as a frontend developer at an event platform. One day, a task came up to redesign the ticket purchasing flow, where the …

Codeminer42 Dev Weekly #61

Codeminer42 Dev Weekly #61

Gabriel Quaresmaby Gabriel QuaresmaMay 16, 2025May 16, 2025

HELLO EVERYONE!!! It’s May 16th 2025 and you are reading the 61th edition of the Codeminer42’s tech news report. Let’s check out what the tech …

Codeminer42 Dev Weekly #55

Codeminer42 Dev Weekly #55

Gabriel Quaresmaby Gabriel QuaresmaMarch 1, 2025April 4, 2025

HELLO EVERYONE!!! It’s April 4th 2025 and you are reading the 55th edition of the Codeminer42’s tech news report. Let’s check out what the tech …

Colors on websites: Beyond Aesthetics (Part II) Finding out why website color palettes are probably way more important than you think.

Colors on websites: Beyond Aesthetics (Part II)

Finding out why website color palettes are probably way more important than you think.

Iasmim Cristinaby Iasmim CristinaJuly 10, 2024July 10, 2024

Creating a cool but simple color palette can be very difficult, right? Designers often focus on UI and UX to get it right. But how …

Upgrading Rails: Steps to a Smooth Transition Rails Renewed: Strategies for Safely and Efficiently Upgrading Your Application

Upgrading Rails: Steps to a Smooth Transition

Rails Renewed: Strategies for Safely and Efficiently Upgrading Your Application

Fabio Leandroby Fabio LeandroDecember 20, 2023January 8, 2026

Upgrading a Ruby on Rails application may sound like a daunting task, but fear not! This guide presents a strategic approach to handling a Rails …

Increase Performance with Sidekiq and Redis How about using asynchronous services to improve your system performance

Increase Performance with Sidekiq and Redis

How about using asynchronous services to improve your system performance

Fabricio Albarnazby Fabricio AlbarnazMarch 31, 2023

We know that performance is one of the biggest factors that drive a system to success. But even using the most optimized algorithms, some tasks …

Mastering Git workflow – Part 1/2 git-stash for when you get interrupted

Mastering Git workflow – Part 1/2

git-stash for when you get interrupted

Edy Silvaby Edy SilvaAugust 9, 2022May 26, 2023

Hi guys. In today’s post, will talk about git. At this point, you probably already know that all the usual commands (e.g git-add, git-checkout, git-commit) …

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