How to Create Accessible Modals and Pop-ups Using HTML, CSS, and Minimal JavaScript
Creating pop-ups and modals on your site can be a complicated process. And it often requires a lot of boilerplate code to get started. But the real challenge comes when you want to make that modal or Fuente: Artículo original
How to Evaluate AI Agents with an LLM-as-a-Judge Harness in Python
In this tutorial, I’ll show you how to evaluate a local AI agent with a simple, repeatable evaluation harness. The harness runs the agent against a set of test cases, checks the results with both rule Fuente: Artículo original
How to Build a RAG Chatbot for Your Docs with Node.js, Google Gemini, and pgvector
I was helping a team that had a 200-page API documentation PDF. Every new engineer spent their first two weeks Ctrl+F-ing through it, asking the same questions in Slack, getting redirected to the same Fuente: Artículo original
How I Used Harness Engineering to Make Our Company AI-Native
Most companies say they want to “adopt AI”. In practice this usually means a chatbot bolted onto a website. Meanwhile, engineers using AI coding tools hit the opposite wall. The AI writes code fast, b Fuente: Artículo original
Why “It Worked on My Machine” Still Happens in 2026
Every engineering team has said it at least once: “It works on my machine.” The phrase has become a running joke in software, but it’s rarely funny when it happens in production. A feature passes ever Fuente: Artículo original
How to Build a Shadcn Sheet Component in React: Cart and Filter Panel Examples
A Sheet is a panel that slides in from the edge of the screen instead of popping up in the center like a modal. You’ve likely used one when you’ve opened a shopping cart on an e-commerce site or tappe Fuente: Artículo original
How to Integrate AI Agents in .NET Environments for Faster Development
Generative AI agents are transforming .NET development by helping developers automate repetitive coding tasks, generate unit tests, assist with debugging, document code, and accelerate CI/CD workflows Fuente: Artículo original
How to Build and Schedule Local AI Assistants for Daily Tasks
Most AI agents are reactive as they wait for us to ask something. In this tutorial, I’ll show you how to build local AI assistants that run on a schedule, handle the tasks you care about, and generate Fuente: Artículo original
How an LMS Software Helps Technical Teams Upskill Faster
Technology changes faster than almost any other industry. The half-life of technical skills continues to shrink. Frameworks, cloud platforms, AI tooling, and cybersecurity practices evolve so quickly Fuente: Artículo original
How to Turn a Postman Collection into a Maintainable pytest Suite
A Postman collection is a great place to explore an API. But it’s a poor place to keep your tests. Most teams find this out the slow way. Someone exports the collection, converts the requests into tes Fuente: Artículo original