Mastering Derived Tables in Rails
by 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 …
Category: Posts
From Zero Code to AI-Generated Assets in Just 4 Days
by 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
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
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 OllamaHow I built (and iterated on) a production‑ready AI agent that actually works with real data
by 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
by 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
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
by 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
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 …
Women in Tech: Margaret HamiltonThe woman responsible for helping put men on the Moon
by "I guess I should delay graduate school again because I’d like to work on this program that puts all these men on the Moon." When …