Stories by day-man

The Generative AI Learning Penalty: Evidence from Chinese Secondary Education

Dangerous things should be difficult to do by accident

AI and Productivity: What Firms Are Saying on Earnings Calls

Interactive Raylib with Common Lisp [video]

The Myth of the 'Waterfall' SDLC

Why care about programming languages

Logical Foundations of Prolog

Best EC2 Instance for PostgreSQL

Keys, Essences and Performance

Why Zulip? Efficient communication with organized team chat

What Nobody Explains About Debezium in 2026 (But Should)

Do you need separate systems when you already have Postgres?

AI boom risks global financial crash, warn central bankers

All you need is PostgreSQL

Recruitment and Selection of high performing programmers

Throwing 107 GB and 5B fake rows of order data at DuckDB and Athena

Does AI Adoption Improve Productivity? Effects over the First Three Years

The Rise of Single-Node Processing: Challenging the Distributed-First Mindset

Stretching a point: the economics of elastic infrastructure

Watch These Judges Rip into Lawyers for Citing Cases That Don't Exist

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