0scarB’s gists

0scarB / main.c

Last active September 5, 2024 18:58

Simple testing framework in C. Easily extensible; easily translated to other languages.

	/*
	* (c) 2024. This work is openly licensed via CC BY 4.0.
	* Give credit by linking to the original Gist or https://github.com/0scarB/dev-ref/blob/main/ref-impls/c_test_framework/main.c.
	*/

	#define _POSIX_C_SOURCE 1

	#include <stdbool.h>
	#include <stdio.h>
	#include <stdlib.h>

0scarB / stringConcatBench.js

Last active June 25, 2024 19:42

JavaScript large string concat benchmark (v8 + NodeJS)

	#!/usr/bin/env node

	const { Buffer } = require('node:buffer');

	function main() {
	console.log(`NodeJS version = ${process.versions.node}`);
	console.log(`V8 version = ${process.versions.v8}`);
	console.log("---------------------------------------------------")
	measureStringConcat();
	}

0scarB / find_image_urls_in_markdown.py

Last active September 12, 2023 13:58

Quick and dirty function to extract image URLs from markdown.

	from collections.abc import Iterable
	import urllib


	def find_image_urls_in_markdown(s: str) -> Iterable[str]:
	context = ""
	alt_text_chars = []
	url_chars = []
	for char in s:
	if context == "":

0scarB / dfs.py

Created August 25, 2022 15:18

DFS returning path

	def dfs(graph, start, goal, path=None, visited=None):
	path = path or []
	visited = visited or set()

	path.append(start)
	visited.add(start)

	if start == goal:
	return path

0scarB / bfs.py

Last active August 24, 2022 17:35

BFS returning path

	from collections import deque


	def bfs(graph, start, goal):
	# initialize state
	queue = deque()
	explored_vertex_to_path = {}

	# utility functions
	def mark_as_explored(vertex, parent=None):

0scarB / watch_files.py

Created June 25, 2022 19:41

Simple file watcher

	#!/usr/bin/env python3
	from functools import lru_cache
	import sys
	import os.path
	import time


	WATCH_INTERVAL = 1
	SCHEDULER_POLL_INTERVAL = 0.1
	PURGE_OLD_UIDS_INTERVAL = 100 * WATCH_INTERVAL

0scarB / paper_js_trees1.js

Created December 28, 2018 13:30

paper.js sketch that generates trees with branches of varying length.

	var width = view.size.width;
	var height = view.size.height;
	var averageLengthFac = 0.7;
	var angleInc = Math.PI/4;
	var iterations = 12;


	function drawLine(x1, y1, x2, y2, color) {
	var line = new Path(new Point(x1, y1));
	line.strokeColor = color;

0scarB / fractal_decorator.py

Last active June 4, 2018 22:54

decorator for generating fractals

	from functools import wraps


	def _run(iter_n, func, initial_args, initial_kwargs):
	current_iter_params = [(initial_args, initial_kwargs)]
	for _ in range(iter_n):
	next_iter_params = []
	for args, kwargs in current_iter_params:
	next_iter_params.extend(
	next_iter_func_params for next_iter_func_params in func(args, *kwargs))

0scarB / AttrDict

Last active May 29, 2018 11:37

Python data structure for working with a dict via attributes or keys

We couldn’t find that file to show.

Oscar Butler-Aldridge 0scarB