Construyendo Interfaces Conversacionales. Parte 1

Introducción: El Diálogo como Interfaz Primaria En el capítulo anterior, establecimos una comunicación unidireccional y transaccional con la IA: enviamos un prompt, recibimos una respuesta estructurada. Este es un patrón potente, pero fundamentalmente análogo a una llamada a una API REST tradicional. Sin embargo, el verdadero poder de los Modelos de Lenguaje Grandes (LLMs) se…

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useMemo, useCallback, React.memo — What Optimizations Actually Work

The Myth That’s Costing You Performance Here’s a confession: I used to wrap nearly every callback in useCallback and every computed value in useMemo. I thought I was being a “performance-conscious” developer. Turns out, I was making my apps slower. After profiling dozens of production React applications—from Slack-like chat platforms to complex project management dashboards—I’ve…

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AWS open source newsletter, #213

Edition #213- August 2025 Welcome to the August edition (#213) of the AWS open source newsletter, the newsletter where I try and provide you the best open source on AWS content. As always, this edition has more great new projects to check out. In this edition, we have a nice selection of projects that help…

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LinkedIn Profile Deep Research with Insights + Bright Data Agent Analysis + n8n with Google Gemini

n8n and Bright Challenge: Unstoppable Workflow This is a submission for the AI Agents Challenge powered by n8n and Bright Data Download Workflow LinkedIn Profile Deep Research with Insights + Bright Data Agent Analysis with Google Gemini What I Built: The LinkedIn Deep Research + Gemini-Powered Workflow is an end-to-end automation pipeline designed to extract,…

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The Power of “^” in package.json

If you’ve ever peeked into your package.json file when working with Next.js (or any JavaScript framework), you’ve probably noticed something like this, At first glance, it’s just a version number with a little caret ^. Seems harmless, right? But that tiny symbol can determine whether your app runs smoothly in production or suddenly breaks after…

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