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Codeminer42’s Engineering Blog

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Tag: Ruby

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, 2023January 8, 2026

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 …

Codeminer42 Tour 2023 pt 1 (RailsConf and Reactathon) A rundown of our participation in tech events for 2023's first semester

Codeminer42 Tour 2023 pt 1 (RailsConf and Reactathon)

A rundown of our participation in tech events for 2023's first semester

Talysson Oliveiraby Talysson OliveiraMay 10, 2023July 12, 2023

At Codeminer42, we believe that participating in and actively contributing to software development communities are important aspects of our endeavors. Beyond our contributions through blog …

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 …

CodeTips#4: Debugging Ruby applications

CodeTips#4: Debugging Ruby applications

Paty Bastosby Paty BastosAugust 24, 2022September 4, 2024

When our code is behaving unexpectedly, our first attempt is usually trying to understand why it happened, but just thinking about it might not be …

A beginner’s personal journey into automated tests

A beginner’s personal journey into automated tests

Felipe Teixeiraby Felipe TeixeiraMarch 16, 2022April 11, 2024

Like many engineers, I landed into coding kind of by accident. I was programming alone and unsupervised for a decade and my work was mostly …

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! …

Ruby’s Cool Features for Beginners

Ruby’s Cool Features for Beginners

Paulo Eduardoby Paulo EduardoOctober 13, 2021April 11, 2024

Hi, everyone! In this article, we’re gonna cover some features and concepts that differ Ruby from other programming languages, especially from languages that I’ve learned …

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 …

Exploring RSpec – Improving Your Testing Skills

Exploring RSpec – Improving Your Testing Skills

Diego Thomazby Diego ThomazMarch 30, 2021January 8, 2026

Testing our apps has become mandatory these days. For an app to be considered reliable it must have 95% or so of test coverage. Having …

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