Title text:
It has been −2,147,483,648 days since our last integer overflow.
Transcript:
Transcript will show once it’s been added to explainxkcd.com
Source: https://xkcd.com/3228/
Title text:
It has been −2,147,483,648 days since our last integer overflow.
Transcript:
Transcript will show once it’s been added to explainxkcd.com
Source: https://xkcd.com/3228/
They’re using a signed 32-bit integer which can overflow to negative numbers. An unsigned integer would roll over to just 0, but then the joke wouldn’t work.
Edit: I misread the question and was thinking about the title text