View gzip_swar_life.py
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import os | |
import sys | |
""" | |
This (pure!) python script streams a gzip-compressed YUV4MPEG video to stdout. | |
It easily runs at 1080p60fps on my machine. | |
Pipe it into a media player like this: | |
python3 gzip_swar_life.py | mbuffer | gunzip - | mpv - |
View swar_life.py
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import os | |
import sys | |
""" | |
This (pure!) python script streams a YUV4MPEG format video to stdout. It easily | |
runs at 1080p60fps on my machine. | |
Pipe it into a media player like this: | |
python3 swar_life.py | mpv - |
View periodict_table_golf.py
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import inspect | |
# helper function to visualise the results | |
def print_table(width, height, function): | |
grid = [[" "]*(width + 1) for _ in range(10)] | |
for n in range(1, 118+1): | |
y, x = function(n) | |
grid[y][x] = str(n).ljust(3) | |
for x in range(1, width+1): |
View symbolics.py
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import operator | |
from abc import ABC, abstractmethod | |
class Expression(ABC): | |
type = None | |
@staticmethod | |
def cast(value): | |
if isinstance(value, Expression): |
View stegflate_decode.py
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import zlib | |
import io | |
import sys | |
PNG_MAGIC = b"\x89PNG\r\n\x1a\n" | |
def parse_png_chunk(stream): | |
size = int.from_bytes(stream.read(4), "big") | |
ctype = stream.read(4) | |
body = stream.read(size) |
View match_lambda_hack.py
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from dataclasses import dataclass | |
def lambda_match_wrapper(instance, _locals): | |
return type("MatchWrapper", (), { | |
"__getattribute__": (lambda self, name: | |
type("EqWrapper", (), { | |
"__eq__": (lambda self, o: | |
eval(o, None, dict(_locals, self=instance)) )})() | |
if name == "_lambda" else | |
instance.__getattribute__(name) )})() |
View pi_pico_easteregg.py
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# based on https://github.com/unicorn-engine/unicorn/blob/master/bindings/python/sample_arm.py | |
from __future__ import print_function | |
from unicorn import * | |
from unicorn.arm_const import * | |
# https://github.com/raspberrypi/pico-bootrom/blob/ef22cd8ede5bc007f81d7f2416b48db90f313434/bootrom/bootrom_rt0.S#L441-L445 | |
CODE = bytes.fromhex(""" | |
.byte 0x11, 0x38, 0xc0, 0x7a, 0x00, 0xbd, 0x00, 0xb5 | |
.byte 0x42, 0x40, 0x00, 0x2a, 0x00, 0xf0, 0x02, 0xf8 |
View scratch-desktop-live-reload.js
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// edit this path according to your needs! | |
var projFile = "/Users/david/Sync/programming/python/boiga/test.sb3"; | |
var fs = require("fs"); | |
var vm = document.querySelector("#app")._reactRootContainer.current.child.child.child.stateNode.store.getState().scratchGui.vm; | |
var loading = false; | |
var watcher = fs.watch(projFile, async (event, filename) => { | |
if (!filename || loading) return; | |
var fileContents = await fs.promises.readFile(projFile); | |
if (!fileContents.length) return; |
View aes_fi.ino
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/* https://github.com/kokke/tiny-AES-c */ | |
#ifndef _AES_H_ | |
#define _AES_H_ | |
#include <stdint.h> | |
#include <stddef.h> | |
// #define the macros below to 1/0 to enable/disable the mode of operation. | |
// | |
// CBC enables AES encryption in CBC-mode of operation. |
View bootselfie_solve.c
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#include <stdio.h> | |
#include <stdint.h> | |
#include <math.h> | |
#include <string.h> | |
// charset is [a-z0-9\n\-] | |
// scancodes from https://stackoverflow.com/a/61192565 | |
static const uint8_t CHARSET[] = {30, 48, 46, 32, 18, 33, 34, 35, 23, 36, 37, 38, 50, 49, 24, 25, 16, 19, 31, 20, 22, 47, 17, 45, 21, 44, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 28, 12}; | |
// extracted from the floppy image |
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