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The Miners

Codeminer42’s Engineering Blog

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Category: Posts

From Bugs to Fixes: Tips you must know for Front-end Debugging

From Bugs to Fixes: Tips you must know for Front-end Debugging

Rebecca Martinhoby Rebecca MartinhoDecember 11, 2024July 7, 2025

If you’ve ever spent way too long trying to figure out why something isn’t working, only to realize it was a missing semicolon — you’re …

Codeminer42 Hackathon: a lesson on experimentation

Codeminer42 Hackathon: a lesson on experimentation

Edy Silvaby Edy SilvaDecember 3, 2024December 3, 2024

On November 23rd, Codeminer42 organized its first Hackathon. The goal was quite simple: to encourage the experimentation of new technologies in problems that are a …

Hackathon 2024 – Codeminer42

Hackathon 2024 – Codeminer42

Lucas Geronby Lucas GeronDecember 3, 2024December 3, 2024

This year, Codeminer42 held its first Hackathon, an internal programming event that energized the miners’ weekend and brought a lot of knowledge, learning, networking, and …

Three Functional Programming Concepts To Start Using Today And Make Your Code Better Especially if you don't code in a functional programming language

Three Functional Programming Concepts To Start Using Today And Make Your Code Better

Especially if you don't code in a functional programming language

Edy Silvaby Edy SilvaNovember 13, 2024November 21, 2024

When I first heard about Functional Programming, I thought it was about using functions only. If it was about using functions, I was fine with …

Welcome to the worst form ever! How Cognitive Biases Can Ruin or Improve User Experience

Welcome to the worst form ever!

How Cognitive Biases Can Ruin or Improve User Experience

Luiza Carvalhoby Luiza CarvalhoNovember 5, 2024

Welcome to the worst form ever! I am sure you have seen some bad forms around the internet. Sometimes the inputs are disabled at the …

A Day In The Life of a Ruby Enumerator Let's see what is under the hoods

A Day In The Life of a Ruby Enumerator

Let's see what is under the hoods

Edy Silvaby Edy SilvaOctober 29, 2024October 29, 2024

I spent some time trying to elaborate a good introduction for this post. I wanted to start with a great quote or something like that …

A Noob’s Neovim Journey: Pt. 1 “But Why?” Beginner's Guide to Neovim: Understanding the Basics and Why I'm doing this

A Noob’s Neovim Journey: Pt. 1 “But Why?”

Beginner's Guide to Neovim: Understanding the Basics and Why I'm doing this

João Pedro Marquesby João Pedro MarquesOctober 23, 2024November 25, 2025

Introduction If you’re a programmer, you’ve probably heard of Vim, either from your colleagues who type frantically on their niche mechanical keyboards at the office …

Rails 8.0 is out Rails 8.0.0.beta1 brings simplicity with killer features such as a new authentication system and reduced dependency overhead.

Rails 8.0 is out

Rails 8.0.0.beta1 brings simplicity with killer features such as a new authentication system and reduced dependency overhead.

Edy Silvaby Edy SilvaSeptember 27, 2024

Rails 8.0 has arrived, bringing along many exciting new features that aim to simplify and empower the Rails development workflow. Authentication "The medicine you don’t …

Ruby Enumerators: A Point of View You’ve Never Had When and how to use custom Enumerators

Ruby Enumerators: A Point of View You’ve Never Had

When and how to use custom Enumerators

Edy Silvaby Edy SilvaSeptember 4, 2024September 4, 2024

The 80-20 rule is empirically observed in many human phenomena and activities and it is no different in programming. By understanding a portion of the …

Getting started with Lua It's not rocket science

Getting started with Lua

It's not rocket science

João Victor Voglerby João Victor VoglerAugust 28, 2024

Just like the Moon is constantly influencing planet Earth’s ocean tides, it is likely that, at some point, Lua influenced your navigation over the internet. …

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