New

The latest blog posts to take off on Hacker News. 6,153 posts.

Any topic
2022
2882

Beating the Averages (2001)

April 2001, rev. April 2003 (This article is derived from a talk given at the 2001 Franz Developer Symposium.) In the summer of 1995, my friend Robert Morris and I started a startup called Viaweb . Our plan was to write software that would let end users build online stores. What was novel about this software, at the…

2883

Postgres 15 improves UNIQUE and NULL

Postgres 15 beta 2 was released recently! I enjoy Beta season... reviewing and testing new features is a fun diversion from daily tasks. This post takes a look at an improvement to UNIQUE constraints on columns with NULL values . While the nuances of unique constraints are not as flashy as making sorts faster (that's…

2892

Triangle Grids

Grids are great for tactical gameplay of turn-based games because they allow discrete movement steps. That means that you can bind positioning to other resources such as movement points, action points, food, etc. Grids divide the infinite variety of movement options into a few specific ones, which can be considered…