The post is a true web-log. Someone logged something they learned and put it on the web.

I first heard of it from Jeff Atwood in 2012, loads of fun concepts here I reference often. Favorite must be "shrug report"

https://blog.codinghorror.com/new-programming-jargon/

I was working with the Torque Game Engine in like 2008 which had a scripting language where almost all data was strings. Vectors? String of three numbers with spaces in between. Looking back I think it was kind of TCL inspired. But I definitely heard it called "stringly typed".

xkcd has a relevant take on this: https://xkcd.com/1053/

TLDR, we should totally be celebrating learning in public

That's not just a take, that's the origin of the phrase OP used :)

In a beautiful meta moment, you are one of today's 10k about the origin of 10k :D

I'm witnessing...something!