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나중에 다시 봐도 유용한 기술 관련 링크를 저장하기 위한 실용적인 체크리스트

개발자의 하루에는 링크가 끊임없이 쌓인다. 공식 문서, GitHub 이슈, 릴리스 노트, API 레퍼런스, Stack Overflow 답변, 마이그레이션 가이드, 모니터링 대시보드, 디자인 명세, 사내 런북까지 종류도 다양하다. 문제는 링크를 한 번 찾는 일이 아니다.

  • Store technical links with reason, version, environment, and context.
  • Categorize links as original, practical, or temporary data.
  • Double-check external links before storage for current URL and content.

Why Your LangGraph ToolNode Tests Are Failing (And How to Fix Them)

You wrote a clean unit test for your LangGraph tool. It worked fine for months. Then you upgraded your dependencies and got this: ValueError: Missing required config key 'N/A' for 'tools'.

  • LangGraph 1.0.2 introduced required runtime parameter to ToolNode internals.
  • Three unresolved issues from October 2025 change persist in 1.2.11.

¿El tamaño importa?

Al inicio de mi carrera todo lo resolvía con un VPS. Unos años después estaba convencido de que cualquier proyecto serio necesitaba microservicios, multi-tenancy y un orquestador.

  • Author builds IoT system on single VPS for constant data, risk of losing data
  • Designs multi-tenant ERP with microservices, orchestrated via ECS
  • Final stage uses containerized VPS with nginx, balances simplicity and scalability

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