There is a classic programming joke where, to my eyes, the Oxford comma is a must: "There are two hard problems in computer science: naming things, cache inval

There is a classic programming joke where, to my eyes, the Oxford comma is a must: "There are two hard problems in computer science: naming things, cache invalidation, and off by one errors." Without the comma it seems weird to me: "There are two hard problems in computer science: naming things, cache invalidation and off by one errors."