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The Miners

Codeminer42’s Engineering Blog

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Category: Posts

How we foster the community Empowering people to change the tech scene

How we foster the community

Empowering people to change the tech scene

Talysson Oliveiraby Talysson OliveiraNovember 27, 2025

November was a great month for our commitment to getting closer to the community! We had the first edition of two programs: one that aims …

How MCP Turned Into The AI Agents Lingua Franca Retrospective on AI Agents and MCP after one year of its release

How MCP Turned Into The AI Agents Lingua Franca

Retrospective on AI Agents and MCP after one year of its release

Edy Silvaby Edy SilvaNovember 24, 2025March 1, 2026

In November 2022, OpenAI released ChatGPT, a groundbreaking AI language model that quickly captured widespread attention for its ability to generate human-like text. This release …

Learning Tech with AI: Turning confusion into Confidence

Learning Tech with AI: Turning confusion into Confidence

emerson.arakiby emerson.arakiNovember 21, 2025November 21, 2025

If you’ve ever sat in front of your terminal thinking, “I know this command… I just can’t remember it,” you’re not alone. IT work is …

Introduction to instrumentation with OpenTelemetry for Developers – Key Concepts A (maybe not so) quick introduction to the universe of instrumentation and observability.

Introduction to instrumentation with OpenTelemetry for Developers – Key Concepts

A (maybe not so) quick introduction to the universe of instrumentation and observability.

Jonathan Ribeiroby Jonathan RibeiroNovember 18, 2025

Introduction I’m a Rails web developer, why in the hell should I bother instrumenting my app if I’m already using Honeybadger? Or I could just …

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 …

The Modern Terminals Showdown: Alacritty, Kitty, and Ghostty Comparing Alacritty, Kitty, and Ghostty for Speed, Features, and Customization

The Modern Terminals Showdown: Alacritty, Kitty, and Ghostty

Comparing Alacritty, Kitty, and Ghostty for Speed, Features, and Customization

João Pedro Marquesby João Pedro MarquesNovember 10, 2025November 10, 2025

Did a coworker ever ask you what terminal you use? If they have, they were probably referring to a terminal emulator – but what the …

Setting Up A Free Claude-Like Assistant With OpenCode And Ollama

Setting Up A Free Claude-Like Assistant With OpenCode And Ollama

Edy Silvaby Edy SilvaNovember 6, 2025

I’ve been experimenting with Claude Code for a while, and there is no doubt that it’s a powerful assistant, capable of performing many tasks as …

Understanding GeoTIFFs and Rendering Them in Leaflet

Understanding GeoTIFFs and Rendering Them in Leaflet

Guilherme Araújoby Guilherme AraújoNovember 4, 2025November 4, 2025

Hey there! If you’ve ever explored the world of mapping or spatial data, you’ve probably come across GeoTIFFs. They’re a standard in the industry, with …

Testing Unnatural Prompt Engineering Across Five Large Language Models

Testing Unnatural Prompt Engineering Across Five Large Language Models

Edy Silvaby Edy SilvaOctober 31, 2025November 6, 2025

Like many people, I was fascinated when this whole LLM thing started. It seemed almost magical how these models operate and the wide range of …

Women in tech: Hedy Lamarr Pioneer of modern wireless technology

Women in tech: Hedy Lamarr

Pioneer of modern wireless technology

Kátia Bernardesby Kátia BernardesOctober 30, 2025October 30, 2025

Introduction Most people remember Hedy Lamarr for her beauty. In the golden age of Hollywood, she was the glamorous star whose face defined an era. …

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