DEVELOPER NEWS STREAM
Direct logs, engine updates, and framework notifications parsed from curated RSS feeds and announcements, updated hourly.
Juan TorchiaZod on the server and the client: the schema you define once and the three ways it breaks in runtime
Zod sells itself as "define once, validate everywhere." In Next.js 16 with Server Actions, edge middleware, and API routes, that's only partially true. Three concrete failure modes and the pattern that prevents them.
Jonathan Martin PaezLocal-first observability for AI agents, in one command
When an AI agent misbehaves — fails, stalls, or quietly burns tokens — you need to see the steps. But...
Nicolai KilianI Built a TypeScript Object-Graph Database
Originally published on my...
Yuri PeixinhoTypescript: Sobrecarga de Métodos
Introdução Subclasses podem substituir a implementação de métodos herdados usando...
Yuri PeixinhoTypescript: Parâmetros do Construtor
Introdução O construtor é o método chamado quando você instancia uma classe. TypeScript...
Yuri PeixinhoTypescript: Classes Abstratas
Introdução Classes abstratas são contratos parcialmente implementados. Você define o que...
Yuri PeixinhoTypescript: Herança e Polimorfismo
Herança Herança é quando uma classe estende outra e herda seus membros: class...
Yuri PeixinhoTypescript: Sobrecarga de Construtor
Introdução Assim como funções, construtores podem ter múltiplas assinaturas: O...
Diya8 Claude Code skills for NestJS — drop in and use immediately
Working with NestJS daily, I kept writing the same patterns. So I packaged them as Claude Code...
JSON to TSHow to convert a JSON sample to a Valibot schema (and the 3 ways the algorithm diverges from Zod)
A walkthrough of the 3 algorithm choices a JSON-to-Valibot converter has to make differently from a JSON-to-Zod converter: optional wraps not chains, namespace import for tree-shake, and v.union as the only composition path.
Gabriel Anhaiasatisfies vs Type Annotation: The TypeScript Choice That Changes Inference
An annotation widens your config object back to the declared type. satisfies checks it and keeps the narrow one. Here is when each wins.
Juan TorchiaZod en el servidor y en el cliente: el schema que creés una vez y las tres formas en que se rompe en runtime
Zod se vende como 'definí una vez, validá en todos lados'. En Next.js 16 con Server Actions, edge middleware y API routes, eso es solo parcialmente cierto. Tres modos de falla concretos y el patrón que los evita.
Norvik TechLeetCode 2 - Add Two Numbers
Originally published at norvik.tech Introduction An in-depth technical analysis of...
Saurav BhattacharyaYour Agent Logs Are Lying to You: What to Actually Trace in an Agentic System
Here is a debugging session I have watched play out at four different companies now. An agent does...
jason rauchHow I added Solana Pay USDC to a SaaS app — a real implementation, not a tutorial
Most Solana Pay tutorials are synthetic. Here's the actual code running in production on...
Gabriel AnhaiaGeneric Constraints and infer: Reading the Types You Did Not Write
How extends constraints, conditional types, and infer let you pull a type out of another type. Unwrap a Promise, an array, and build a tiny DSL.