Skip to content

Instantly share code, notes, and snippets.

View cflems's full-sized avatar

Carson Fleming cflems

9 followers · 5 following
View GitHub Profile
@cflems
cflems / rate_limiter.py
Last active June 13, 2025 17:56
Post-interview clarity :/
import time
class ListNode:
def __init__(self, v=None, next=None):
self.v = v
self.next = next
class LinkedList:
def __init__(self):
self.head = None
@cflems
cflems / opendkim-deformatter.py
Created April 28, 2025 20:03
OpenDKIM produces generated keys in an annoying format, so this undoes that formatting
#!/usr/bin/python3
i = []
while True:
try:
i.append(input())
except EOFError:
break
parts = ''.join(i).split('"')
print(''.join([parts[i] for i in range(1, len(parts), 2)]))
@cflems
cflems / unity-chbg.sh
Created December 15, 2023 06:57
Change Unity-Greeter background
#!/bin/sh
xhost +SI:localuser:lightdm
sudo -u lightdm gsettings set com.canonical.unity-greeter draw-grid false
sudo -u lightdm gsettings set com.canonical.unity-greeter draw-user-backgrounds false
sudo -u lightdm gsettings set com.canonical.unity-greeter background $1
@cflems
cflems / pathcompressor.py
Created January 9, 2023 17:55
Script for compressing and relativizing SVG paths
def strfloat(f):
return str(round(f, 3))
f = open('path.txt', 'r')
path=f.read().split(' ')
f.close()
i = 0
x, y = 0, 0
while i < len(path):
if path[i] not in ['M', 'L', 'A', 'Q', 'Z']:
@cflems
cflems / eml.js
Created December 28, 2022 12:56
Simple-JS email protection scheme to prevent harvesting (when not running Cloudflare, which has this built in already.)
const key = 0x90;
function protect_email(email) {
bytes = []
for (char of email) {
bytes.push(String.fromCharCode(char.charCodeAt(0) ^ key));
}
return btoa(bytes.join(''));
}
@cflems
cflems / obfuscator.js
Last active December 12, 2022 10:01
Obfuscate JavaScript code into having zero readable characters; I want to improve this not to use eval at all but I'll have to write a JS tokenizer for that.
const zero = '+[]'; // 1
const one = '+!![]'; // 1
const two = '('+ one + one +')'; // 2
const three = '('+ one + one + one +')'; // 3
const four = '('+ one + one + '<<' + one +')'; // 3
const five = '('+ four + one +')'; // 4
const six = '('+ one + one + one + '<<' + one +')'; // 4
const seven = '('+ six + one +')';
const eight = '('+ one + one + '<<' + one + one +')'; // 4
const int_lits = {0: zero, 1: one, 2: two, 3: three, 4: four, 5: five, 6: six, 7: seven, 8: eight};
@cflems
cflems / base32_decode.js
Created July 15, 2022 06:11
Portable and compact JavaScript base32 encoding/decoding functions that I found on the internet
function decode(s) {
const len = s.length;
const apad = 'abcdefghijklmnopqrstuvwxy1234567z';
let v,x,r=0,bits=0,c,o='';
s = s.toUpperCase();
for(i=0;i<len;i+=1) {
v = apad.indexOf(s.charAt(i));
if (v>=0 && v<32) {
@cflems
cflems / getopt.c
Created October 20, 2020 01:06
How to use getopt_long to parse a standard argument list in C.
#include <unistd.h>
#include <getopt.h>
#include <stdio.h>
const struct option longopts[] = {
{"chdir", no_argument, NULL, 'd'},
{"noclose", no_argument, NULL, 'n'},
{"log-stdout", required_argument, NULL, '1'},
{"log-stderr", required_argument, NULL, '2'},
{0, 0, 0, 0}
@cflems
cflems / boost.rb
Created July 10, 2019 18:11
Boost 1.69.0 brew formula
class Boost < Formula
desc "Collection of portable C++ source libraries"
homepage "https://www.boost.org/"
url "https://dl.bintray.com/boostorg/release/1.69.0/source/boost_1_69_0.tar.bz2"
sha256 "8f32d4617390d1c2d16f26a27ab60d97807b35440d45891fa340fc2648b04406"
head "https://github.com/boostorg/boost.git"
bottle do
cellar :any
end
@cflems
cflems / fwgc.pro
Last active December 13, 2021 14:41
Solution to the farmer/wolf/goat/cabbage problem in Prolog.
cross(w, e).
cross(e, w).
execmove([F, W, G, C], 0, [NF, NW, NG, NC]) :- F = W,
cross(F, NF),
cross(W, NW),
NG = G,
NC = C.
execmove([F, W, G, C], 1, [NF, NW, NG, NC]) :- F = G,
cross(F, NF),