nickponline

# https://adventofcode.com/2024/day/23
import networkx as nx, re

graph = nx.Graph()

with open('2024-23.in') as f:
    graph.add_edges_from([(source, target) for source, target in re.findall(r'(\w+)-(\w+)', f.read())])

cliques = list(nx.enumerate_all_cliques(graph))

nickponline

# https://adventofcode.com/2024/day/22
def step(secret):
    secret ^= (secret << 0x6) & 0xFFFFFF
    secret ^= (secret >> 0x5) & 0xFFFFFF
    secret ^= (secret << 0xB) & 0xFFFFFF
    return secret

def steps(secret, k=2000):
    for _ in range(k):
        secret = step(secret)

nickponline

#https://adventofcode.com/2024/day/21
from functools import cache
import collections

NUM_BOTS = 25
K = collections.defaultdict(list)
K.update({('7', '8'): ['>'], ('7', '4'): ['v'], ('7', '9'): ['>>'], ('7', '5'): ['>v', 'v>'], ('7', '6'): ['>>v', '>v>', 'v>>'], ('7', '1'): ['vv'], ('7', '2'): ['>vv', 'v>v', 'vv>'], ('7', '3'): ['>>vv', '>v>v', 'v>>v', '>vv>', 'v>v>', 'vv>>'], ('7', '0'): ['>vvv', 'v>vv', 'vv>v'], ('7', 'A'): ['>>vvv', '>v>vv', 'v>>vv', '>vv>v', 'v>v>v', 'vv>>v', '>vvv>', 'v>vv>', 'vv>v>'], ('8', '7'): ['<'], ('8', '4'): ['<v', 'v<'], ('8', '9'): ['>'], ('8', '5'): ['v'], ('8', '6'): ['>v', 'v>'], ('8', '1'): ['<vv', 'v<v', 'vv<'], ('8', '2'): ['vv'], ('8', '3'): ['>vv', 'v>v', 'vv>'], ('8', '0'): ['vvv'], ('8', 'A'): ['>vvv', 'v>vv', 'vv>v', 'vvv>'], ('4', '7'): ['^'], ('4', '8'): ['>^', '^>'], ('4', '9'): ['>>^', '>^>', '^>>'], ('4', '5'): ['>'], ('4', '6'): ['>>'], ('4', '1'): ['v'], ('4', '2'): ['>v', 'v>'], ('4', '3'): ['>>v', '>v>', 'v>>'], ('4', '0'): ['>vv', 'v>v'], ('4', 'A'): ['>>vv

nickponline

# https://adventofcode.com/2024/day/21
import networkx as nx
from functools import cache
import collections

# NUM_BOTS = 2
NUM_BOTS = 25

KK = [
    ['7', '8', '9'],

nickponline

# A Primel Solver

# Sieve of Eratosthenes
N = 100000
primes = [True] * N
for i in range(2, N):

    if not primes[i]:
        continue

nickponline

# Author: Nicholas Pilkington, 2015
# Blog Post: https://nickp.svbtle.com/sudoku-satsolver

import pycosat

N = 9
M = 3

def exactly_one(variables):
    cnf = [ variables ]

nickponline

(gdb) thread apply all bt

Thread 14 (Thread 0x7f89f7067700 (LWP 23443)):
£0  0x00007f89ff922d5c in LZWDecode ()
   from /home/ubuntu/tilemill/node_modules/mapnik/lib/binding/libmapnik.so
£1  0x00007f89ff90bffd in TIFFReadEncodedStrip ()
   from /home/ubuntu/tilemill/node_modules/mapnik/lib/binding/libmapnik.so
£2  0x00007f89f9534165 in GTiffDataset::LoadBlockBuf(int, int) ()
   from /home/ubuntu/tilemill/node_modules/mapnik/lib/binding/mapnik/input/gdal.input
£3  0x00007f89f9536586 in GTiffRasterBand::IReadBlock(int, int, void*) ()

nickponline

ubuntu@ip-10-182-57-31:~/tilemill$ which node
/usr/bin/node
ubuntu@ip-10-182-57-31:~/tilemill$ gdb /usr/bin/node core
GNU gdb (Ubuntu 7.7-0ubuntu3.1) 7.7
Copyright (C) 2014 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".

nickponline

// Receive status from drone.
{
	source: 'drone',
	destination: 'gcs',
	name: 'status'
	data: {
		'mode' : 'manual'
		'latitude' : '2324.2434',
		'longitude' : '2324.2434',
		'altitude' : '2324.2434',

nickponline

#!/bin/bash

sudo rm /etc/apt/sources.list.d/*mapnik*
sudo rm /etc/apt/sources.list.d/*developmentseed*
sudo rm /etc/apt/sources.list.d/*chris-lea*
sudo rm /etc/apt/sources.list.d/*ubuntugis*

# Add bleeding edge PPAs
echo 'yes' | sudo apt-add-repository ppa:chris-lea/node.js
echo 'yes' | sudo apt-add-repository ppa:mapnik/v2.2.0