Travel Note Template: Capturing the Journey
A starter template and layout guide for travel notes. Copy this directory as a starting point for your next travel article.
Yongjie Xue · Full Stack & AI Engineer · Austin, TX
Engineering with a writer’s eye.
Based in Austin, Texas. A public record of thinking through systems, language, career, technology, and ordinary life.
Sections
Database Guru
64posts
News, reports and best practices from the database industry.
Cloud-Exiter
61posts
Cloud economics, cloud-exit and self-hosting like a pro.
PostgreSQL Mage
112posts
PostgreSQL development, operations, internals and tuning.
AI Explorer
67posts
Agents, LLMs, AI coding, AI4DB and DB4AI.
Travel Notes
1posts
Trips, hikes and things seen along the way.
Miscellaneous
24posts
Essays, notes and miscellaneous writing.
Recent Posts
A starter template and layout guide for travel notes. Copy this directory as a starting point for your next travel article.

Anthropic's threat report, OpenAI's soap opera, the closure of the $200 subscription tier, and rising GPU and memory prices—all of this week's events tell the same story.

pgsql.cc is live, with Chinese documentation for all 11 PostgreSQL major versions from 10 through 20, a redesigned mirror of the official website, and better full-text search. Kept in sync with …

Buying 10 AI subscriptions is easy. The real bottleneck is turning tokens into useful output—and using automation to scale your time, attention, and ability to judge the results.

As Astra began rolling out, Tibo announced one banked reset per day for paid users still waiting for access. I'm stocking up for when Astra arrives.

People often ask: how do I ensure quality when AI writes the code? My answer has four parts: documentation-driven development, adversarial review, brute-force testing, and complexity penalties.

Snowflake blames the lakehouse's governance gaps on multiple engines and turns the Catalog into a new billing layer. But the core of an Iceberg Catalog is just a metadata-pointer CAS; the real …

AWS bought the people who build the duck and left the duck itself to the foundation.

No teaser, no rumors—the website simply changed. For local AI, this may be the most important machine of the year.