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Why Your AI-Powered React Native App Needs a Backend – Even a Tiny One How to Avoid Costly Pitfalls When Building AI Features in React Native

Why Your AI-Powered React Native App Needs a Backend – Even a Tiny One

How to Avoid Costly Pitfalls When Building AI Features in React Native

João Victor Voglerby João Victor VoglerMarch 3, 2026April 11, 2026

Nowadays, it’s easier than ever to spin up a mobile app in hours, even if you don’t have any previous experience with Expo and React …

Mastering Derived Tables in Rails

Mastering Derived Tables in Rails

Anderson Guimarães Mouraby Anderson Guimarães MouraFebruary 26, 2026March 2, 2026

Hey fellow Rails developers! Ever found yourself wrestling with complex SQL queries that involve aggregations, subqueries, or needing to join against computed results? Today, we’re …

From Zero Code to AI-Generated Assets in Just 4 Days

From Zero Code to AI-Generated Assets in Just 4 Days

Edy Silvaby Edy SilvaFebruary 23, 2026February 24, 2026

Codeminer42’s blog had no visual personality. Each author generated their post’s thumbnail, however they could, mostly using ChatGPT or Nano Banana, each with their own …

Why We Accept Bad Code From Humans But Reject Good Code From AI

Why We Accept Bad Code From Humans But Reject Good Code From AI

Edy Silvaby Edy SilvaFebruary 23, 2026April 11, 2026

I’ve been noticing something about how developers talk about AI coding agents. They review agent-generated code with a magnifying glass. They point at a variable …

Vibecoding vs Agentic Engineering: One Ships, the Other Prays

Vibecoding vs Agentic Engineering: One Ships, the Other Prays

Edy Silvaby Edy SilvaFebruary 20, 2026April 11, 2026

I’ve been preparing a talk about AI-assisted development and spent a lot of time reading what developers are saying online, in meetups, in conference hallways. …

Building a Practical AI Agent with RAG, MCP, and Ollama How I built (and iterated on) a production‑ready AI agent that actually works with real data

Building a Practical AI Agent with RAG, MCP, and Ollama

How I built (and iterated on) a production‑ready AI agent that actually works with real data

emerson.arakiby emerson.arakiFebruary 19, 2026March 10, 2026

Introduction Over the last year, “AI agents” went from a buzzword to something people actually try to ship. And if you’ve tried to build one …

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 Sandbox Your AI Agent Using Docker

How To Sandbox Your AI Agent Using Docker

Edy Silvaby Edy SilvaFebruary 3, 2026February 9, 2026

Docker just released a really exciting update to Docker Sandboxes, a feature that allows running AI agents, like Claude Code, in isolated environments. This change …

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 …

Claude Code + Ollama: Stress Testing Opus 4.5 vs GLM 4.7

Claude Code + Ollama: Stress Testing Opus 4.5 vs GLM 4.7

Edy Silvaby Edy SilvaJanuary 26, 2026May 4, 2026

Ollama just made it possible for you to use their models inside of Claude Code. To test Claude Code capabilities and compare top open models …

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