jeremy-rifkin

#!/bin/python3
from scapy.all import *
import binascii

conf.checkIPaddr=False

display = False

def run_dhcp_transaction(requestMAC, hostname, interface="eth0"):
    localmac = get_if_hwaddr(interface)

jeremy-rifkin

# Filter black and white images from a directory
# walk the photos/ directory and copy bw photos
# to the bw/ directory.
# Runs in parallel to help with analyzing large
# batches of photos.

import colorsys
import multiprocessing
import os
import shutil

jeremy-rifkin

# definition recursive ackermann
def A(m, n):
	if m == 0:
		return n + 1
	elif n == 0:
		return A(m - 1, 1)
	else:
		return A(m - 1, A(m, n - 1))

# non-recursive ackermann

jeremy-rifkin

#!/usr/bin/python
import os
import shutil
import sys
import random

def pick_random(src, dest, N):
	all_files = []
	for path, dirs, files in os.walk(src):
		for f in files:

jeremy-rifkin

#!/bin/python

# Script to parse minecraft server logs and add up users' playtime.
# Usage: python3 playtime.py path/to/logs
#
# Rifkin 2020

import datetime
import gzip
import os

jeremy-rifkin

import os
import sys

def main():
	filedict = {}
	for path, dirs, files in os.walk(sys.argv[1]):
		for f in files:
			full_path = os.path.join(path, f)
			l = full_path.lower()
			if l not in filedict:

jeremy-rifkin

Include "memory_tracker.h" in every source file where you want to track allocations.
The memory tracker header should come after all other includes.
Include -DMEMORY_DEBUG in the build to enable memory tracking.

jeremy-rifkin

// 137 char mandelbrot code golf
// collaboration by myself and others on a programming discord server
y=40,x;main(i){for(;y--;puts(""))for(x=170;x--;printf(L" .'-+=%@#"+i/12))for(typeof(0.i)z=i=0;cabs(z)<2&i++<99;z=z*z-x/50.+y/20.i+1+1i);}
// 130 char, lower-detail:
y=40,x;main(i){for(;--y;puts(""))for(x=170;x--;printf(L" *"+i/99))for(typeof(0.i)z=i=0;cabs(z)<2&i++<98;z=z*z-x/50.+y/20.i+1+1i);}

// compiler: gcc, may need -lm

jeremy-rifkin

// brainf interpreter code golf
// collaboration by some folks on discord and myself
#include <stdio.h>
#define r(c) ;i++;goto w;case c:
i;t[99];s;p=1024;char b[2048];main(int j,char**a) {
	fread(b,1,p,fopen(a[1],"r"));
	w: switch(b[i]) {
		r(45) b[p]--
		r(43) b[p]++
		r(60) p--

jeremy-rifkin

#include <cmath>
#include <cassert>
#include <type_traits>

template<typename T> int sign(T t) {
	return t < 0 ? -1 : 1;
}

template<typename T> class range {
	typedef typename std::make_signed<T>::type ST;