📰 Dev.to · Juan Torchia

Compiler says OK. Runtime explodes anyway. Here are the 4 patterns where strict null checks isn't enough: assertion functions, untyped libraries, Prisma ORM, an

El compilador dice OK. Runtime explota igual. Acá están los 4 patrones donde strict null checks no alcanza: assertion functions, librerías sin tipos, Prisma ORM

DeepSeek's API is compatible with the OpenAI SDK — that makes the integration almost trivial. The real problem isn't the plumbing. It's deciding whether the mod

La API de DeepSeek es compatible con el SDK de OpenAI: eso hace la integración casi trivial. El problema real no es la plomería — es decidir si el modelo vale p

Swiper has been the undisputed standard for touch carousels on the web for years. Zero dependencies, official wrappers for React, Vue and Angular, and transitio

Swiper lleva años siendo el estándar indiscutido para carousels táctiles en la web. Sin dependencias, con wrappers oficiales para React, Vue y Angular, y transi

Node.js isn't just "JavaScript on the server." It's a paradigm shift in how we handle I/O. Thirty years in tech taught me to recognize when something genuinely

Node.js no es solo 'JavaScript en el servidor'. Es un cambio de paradigma en cómo manejamos I/O. 30 años de historia con la tecnología me enseñaron a reconocer

Rate limiting is not a dependency you drop into middleware and call it done. It's an abuse policy. Before you copy that snippet, you need to define what asset y

Rate limiting no es una dependencia que se agrega al middleware y listo. Es una política de abuso. Antes de copiar el snippet de turno, hay que definir qué acti

Actuator isn't the problem. The problem is enabling it without a clear exposure policy. A pragmatic guide to using it as an operational tool without turning it

Actuator no es el problema. El problema es habilitarlo sin una política clara de exposición. Una guía prudente para usarlo como herramienta operativa sin conver

The problem with Next.js caching isn't memorizing the flags. It's deciding how fresh each piece of data actually needs to be. A guide to reading revalidate, dyn

El problema con Next.js caching no es memorizar los flags. Es decidir qué tan fresco necesita ser cada dato. Una guía para leer revalidate, dynamic y no-store c

A healthcheck that only says "the process responds" can hide entire business failures. What Docker HEALTHCHECK actually measures, where people overestimate it,

Un healthcheck que solo dice "el proceso responde" puede esconder fallas de negocio completas. Qué mide de verdad Docker HEALTHCHECK, dónde la gente lo sobreest

Sniffnet is a cross-platform network traffic monitor written in Rust. Real UI, real-time charts, no security PhD required to understand what's actually going on

PyTorch showed up in 6 independent awesome lists and the reason is simple: it won. This isn't hype — it's infrastructure. Here's why it made our list and when i

PyTorch apareció en 6 awesome lists independientes y el motivo es simple: ganó. No es hype, es infraestructura. Te cuento por qué está en nuestra lista y cuándo

TensorFlow isn't sexy in 2025, but it's still the serious infrastructure behind deployment at scale. Why it made the list and when you actually need it.

TensorFlow no es sexy en 2025, pero sigue siendo la infraestructura seria detrás de deployment a escala. Por qué está en la lista y cuándo realmente lo necesitá

Rate limiting isn't an npm dependency — it's an abuse policy. Before copying middleware, you need to define what asset you're protecting, what abuse pattern you

Rate limiting no es una dependencia npm: es una política de abuso. Antes de copiar middleware, necesitás definir qué activo protegés, qué patrón de abuso esperá

Adding an npm dependency isn't just installing code — it's taking on its maintenance, its attack surface, and its transitive deps. Here's the checklist I run be