null

From my original dictation to an edited draft and a revised article: why I created a skill that asks AI to wait while I think.

How Postgres evaluates calculations when a value is unknown: three-valued logic, arithmetic and concatenation with NULL, NOT IN, aggregates and window functions, NULL sort order, and Postgres 19 IGNORE NULLS.

Abstract page for arXiv paper 2608.20290: Phantom Gains: Auditing Self-Improvement Against a Measured Null

OpenAI

A single NULL turns NOT IN into a query that silently returns zero rows, and the planner couldn't optimize around it for as long as anyone can remember, until a PostgreSQL 19 patch.

An often heard criticism of null-hypothesis significance testing is that the null is always false. The idea is that average differences betw...

Today I created a virtual web-based null modem so now you can finally play Quake I (from 1996) in multiplayer in the browser with other people online! This we…