Falcon 9 Milestones Vindicate SpaceX’s ‘Dumb’ Approach to Reuse

As SpaceX’s Starship vehicle gathered all of the attention this week, the company’s workhorse Falcon 9 rocket continued to hit some impressive milestones. Both occurred during relatively anonymous launches of the company’s Starlink satellites but are nonetheless notable because they underscore the value of first-stage reuse, which SpaceX has pioneered over the past decade. The…

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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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