Backend Development16 min
Idempotency Keys for a Node.js API with Postgres (2026)
Make POST and PATCH retry-safe. Build a production idempotency-key layer in TypeScript on Node 24 with Fastify 5 and Postgres 18: atomic claims, 409s, replays.
Technical Blog
Expert tutorials & guides for modern developers
685 posts · Page 17 of 58
Backend Development16 min
Make POST and PATCH retry-safe. Build a production idempotency-key layer in TypeScript on Node 24 with Fastify 5 and Postgres 18: atomic claims, 409s, replays.
Cloud & DevOps11 min
Authenticate GitHub Actions to Google Cloud with Workload Identity Federation: pool, provider, attribute conditions, and a keyless Cloud Run deploy (2026).
OpenAI's June 2026 GPT-Rosalind update beats GPT-5.5 on drug-discovery benchmarks while using fewer tokens, adds Codex plugins, and partners with Novo Nordisk.
Frontend Development16 min
Validate URL search params in TanStack Router with Zod: defaults, fallbacks, search middlewares, and the Zod 4 adapter gotcha. Runnable 2026 guide.
Build 2026 turns Windows into an AI agent platform: MXC sandboxing, OS-enforced agent identity, Aion 1.0 on-device models, plus new dev tools and hardware.
AI & Machine Learning13 min
Build a Model Context Protocol (MCP) client in TypeScript with @modelcontextprotocol/sdk: connect over stdio, list and call tools, and handle errors correctly.
Microsoft launched seven in-house MAI models at Build 2026, led by MAI-Code-1-Flash in GitHub Copilot and the MAI-Thinking-1 reasoning model. Specs inside.
Gemini Omni is Google's new world model that turns text, images, audio, and video into AI video you edit by conversation. Specs, pricing, access, and Veo.
Backend Development16 min
Build a durable NATS JetStream worker in TypeScript on Node 24: create a stream, a pull consumer with explicit acks, backoff retries, and a dead-letter queue.
Frontend Development13 min
Production Next.js 16 Cache Components tutorial for multi-tenant SaaS: tenant-scoped cache keys with use cache, per-tenant cacheTag, and cacheLife.
AI & Machine Learning14 min
SubQ from Subquadratic launches with a 12M-token context, a claimed 300x cost reduction on RULER 128K vs Claude Opus, and a wave of researcher skepticism.
News12 min
Anthropic closed a $65B Series H at a $965B post-money valuation on May 28, 2026, passing OpenAI's $852B. Inside the round, $47B ARR, and the path to IPO.