I just completed "Playground" - Day 8 - Advent of Code 2025 with Common Lisp!

Not the most efficient at 16 seconds for part 2, but it gets it done.

https://adventofcode.com/2025/day/8

https://github.com/argentcorvid/aoc-2025/blob/main/2025d8.lisp

#commonlisp #common_lisp #AdventOfCode

I just completed "Laboratories" - Day 7 - Advent of Code 2025 with #commonlisp! #common_lisp #AdventOfCode https://adventofcode.com/2025/day/7

https://github.com/argentcorvid/aoc-2025/blob/main/2025d7.lisp

I just completed "Trash Compactor" - Day 6 - Advent of Code 2025 with #commonlisp #common_lisp #AdventOfCode https://adventofcode.com/2025/day/6
https://github.com/argentcorvid/aoc-2025/blob/main/2025d6.lisp

I just completed "Cafeteria" - Day 5 - Advent of Code 2025 #AdventOfCode #commonlisp #common_lisp https://adventofcode.com/2025/day/5 https://github.com/argentcorvid/aoc-2025/blob/main/2025d5.lisp

#aurora in #iowa again. Not as good as last night, glow just barely on the edge of visibility.

#Aurora is heating up in southcentral #Alaska. #NorthernLights

@Sharonybaloney ooh purple!

HOLY @$^@#($!~@#)!!

#Aurora in #iowa at the Chichaqua Wildlife Viewing Area just outside Altoona.

@0x1ac what kind of structure do you use? I've just been doing single files

2025 Component Abuse Challenge: The Ever-Versatile Transistor as a Temperature Sensor

https://hackaday.com/2025/11/05/2025-component-abuse-challenge-the-ever-versatile-transistor-as-a-temperature-sensor/

This shit is bananas.
B-A-N-A-N-A-S!

Hello, friends! After 10(!) years of #AdventOfCode, I've made some changes to preserve my sanity: there will be 12 days of puzzles each December (still starting Dec 1) and there is no longer a global leaderboard. Read more:
https://adventofcode.com/2025/about#faq_num_days
https://adventofcode.com/2025/about#faq_leaderboard

@d6

saw this in my notifications again and came up with :

> $ echo "0001" | sed '{y/0123456789abcdef/fedcba9876543210/ ; s/^/0x/}' | awk -n '{printf("%x\n", $1 + 1)}'

> ffff

the single line printf one is way better though

Kind of amazing to think about how different the world might be today if PayPal had just... failed early on and shut down. You can trace so much nonsense today back to PayPal getting bailed out by eBay.

pcb still not complying, time for a break

@Legit_Spaghetti @marlebean

about 2 and a half hours for an 11 pound (small) turkey! That's about how long it took me to do a large one in the oven!

image from "Microwave cooking, holidays & parties" from the Internet Archive

the book doesn't say what wattage oven they tested on, i assume 750?

So, I guess SOUND OF MUSIC is now about an insufferably woke family.

@mactunag no, that term is in wide use in cryptograpy.

@dfbugs
* Normal Dwarven Behavior