computational geometry, chess, running, programming...

Argument in favor of returning errors instead of raising exceptions.

Sum types in Go with interfaces and runtime type switches.

A short intro to Org Babel

Wow, I didn't know until today that anyone had ever written an OS for the TI-89/TI-92 calculators.

ticacl.org link: https://www.ticalc.org/archives/files/fileinfo/319/31951.html

And someone else has made one too! Called Punix: http://punix-os.blogspot.com/

The author of Punix has also published a skeleton OS for anyone else who wants to play with it: https://www.cemetech.net/forum/viewtopic.php?t=7345&start=0

How to write tiny ELF executables by hand.

Good description of a simple preemptive, single-stack task scheduler for an embedded RTOS.

A comprehensive writeup for a simple Othello engine with cross-platform GUI.

Erasure: only checks types at compile time
Reification: type checking at run-time

Adam Bard started a little web service that now makes $1,000/mo. This is the sort of thing I need to do.

I like these little introductions (at least the few I've read so far)

Python's syntax for nested list comprehensions always seemed backwards to me; here's an explanation for why it is the way it is. I still think nested for-loops are easier to read.

Mr. Squishy re-implemented the Gameboy game Pokemon Red in Minecraft.

Here's an interview and video showing how it works:
https://www.youtube.com/watch?v=H-U96W89Z90

Everything you wanted to know about enumerating states of the game 2048 in one series of posts by John Lees-Miller.

After writing my first small golan program, this all rings true to me.

Steve Losh's tutorial book on Vimscript

This is a nice overview, from the issue of Increment magazine on programming languages.