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The Miners

Codeminer42’s Engineering Blog

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Category: Posts

How Artificial Intelligence Learns, Adapts, and Decides It's just numbers, guys

How Artificial Intelligence Learns, Adapts, and Decides

It's just numbers, guys

Beatriz Amanteby Beatriz AmanteMay 15, 2025January 8, 2026

First of all, I’d like to welcome whoever reads this to the articles I’ll be writing! I’m excited to be here—and nervous in a way …

Async Code Demystified: Promises, Fetch, and useEffect

Async Code Demystified: Promises, Fetch, and useEffect

Luiza Carvalhoby Luiza CarvalhoApril 29, 2025July 7, 2025

Before we start digging into the world of Promises, Fetch API, and related topics, it is important to understand the difference between synchronous (sync) and …

What’s New in Node.JS 24

What’s New in Node.JS 24

Edy Silvaby Edy SilvaApril 24, 2025May 30, 2025

Node.js is reaching its 24th major version, and it comes with a host of new features and improvements. This release will be the Current release …

Introduction to Relational Databases and SQL An introduction to relational databases - Where do they come from? Where do they live? What do they eat?

Introduction to Relational Databases and SQL

An introduction to relational databases - Where do they come from? Where do they live? What do they eat?

Jonathan Ribeiroby Jonathan RibeiroApril 23, 2025July 7, 2025

Hi! I hope you’re enjoying The Miners’ Guide to Code Crafting series. Today, we’re diving into databases — one of the most essential tools in …

React: First Puzzle Pieces — Your Easy-to-Follow Guide With so much React content out there, it’s easy to feel lost, right? Then, let’s simplify JSX, props, conditional rendering, and more!

React: First Puzzle Pieces — Your Easy-to-Follow Guide

With so much React content out there, it’s easy to feel lost, right? Then, let’s simplify JSX, props, conditional rendering, and more!

Iasmim Cristinaby Iasmim CristinaApril 15, 2025July 7, 2025

React is one of the most popular tools out there… but sometimes, it can feel like a maze, right? Where do you even start? Well, …

Setting the backstage: Rack and Sinatra Building Web Applications with Ruby, Rack and Sinatra

Setting the backstage: Rack and Sinatra

Building Web Applications with Ruby, Rack and Sinatra

Luan Gonçalvesby Luan GonçalvesApril 8, 2025July 7, 2025

Welcome to this practical guide on how to build web applications using Ruby, Rack, and Sinatra — complete with automated testing using RSpec. This post …

Modern Approaches to Styling React Native Apps

Modern Approaches to Styling React Native Apps

Jeferson Britoby Jeferson BritoApril 3, 2025April 11, 2025

React Native is a known framework for building mobile applications with React. In its workspace you will find some similarities with web development, such as …

Linters, Formatters… Same Thing? — Static Analysis Clarified Linters... Formatters... Aren’t they the same thing? And what is this so-called static analysis? More importantly, does it matter to you?

Linters, Formatters… Same Thing? — Static Analysis Clarified

Linters... Formatters... Aren’t they the same thing? And what is this so-called static analysis? More importantly, does it matter to you?

Iasmim Cristinaby Iasmim CristinaApril 1, 2025July 7, 2025

Let’s dive into the importance of static analysis while developing apps. (Because yes, formatters and linters are different, even though both play crucial roles in …

Ruby for the Curious: A Hands-On Guide to Getting Started Ruby Basics to Pro Tips: Learn by Doing!

Ruby for the Curious: A Hands-On Guide to Getting Started

Ruby Basics to Pro Tips: Learn by Doing!

Lucas Geronby Lucas GeronMarch 25, 2025May 27, 2025

If you’ve reached this post, you’re likely discovering and exploring the Ruby language, so, this article was made for you! The idea here is to …

JavaScript Beginner’s Guide Exploring JS fundamentals, including let vs var, functions vs arrow functions, DOM API interaction, and more!

JavaScript Beginner’s Guide

Exploring JS fundamentals, including let vs var, functions vs arrow functions, DOM API interaction, and more!

Iasmim Cristinaby Iasmim CristinaMarch 18, 2025July 7, 2025

JavaScript is one of the first steps for those starting their frontend journey. But what are the basic concepts we need to understand before we …

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