nickav’s gists

nickav / hello.c

Last active May 24, 2024 09:37

WASM from Scratch

	// Types
	#define NULL 0
	typedef unsigned char u8;
	typedef unsigned int u32;
	typedef signed int i32;
	typedef signed long long i64;
	typedef double f64;


	// Imports

nickav / defer.cpp

Created July 14, 2023 15:18

defer macro thing

	#ifndef defer
	// Defer macro/thing.
	template<typename T>
	struct ExitScope {
	T lambda;
	ExitScope(T lambda) : lambda(lambda) {}
	~ExitScope() { lambda(); }
	ExitScope(const ExitScope&);
	private:
	ExitScope& operator =(const ExitScope&);

nickav / LightningLinks.js

Last active May 24, 2023 23:25

Definitely not a cheap knock-off of Turbolinks

	//
	// TODO(nick):
	// - fix back history being lost on page reload
	// - add documentation for options
	// - clean up cache and prefetch configs
	// - add configurable top bar when fetching
	//

	(function() {
	if (typeof window === 'undefined' \|\| typeof document === 'undefined')

nickav / better-fetch.js

Created February 17, 2023 23:11

A nice wrapper around the browser's kind of broken fetch API

	const handleFetchResponse = (resp) => {
	return resp.text().then((text) => {
	let data = text;

	const contentType = resp.headers.get("content-type");
	const isJSON = contentType && contentType.indexOf("application/json") >= 0;
	if (isJSON)
	{
	try {
	data = JSON.parse(text);

nickav / index.html

Created June 20, 2020 18:38

	<!doctype html>
	<html>
	<head>
	<meta charset=utf-8>
	<meta name="viewport" content="minimal-ui, width=device-width, height=device-height, initial-scale=1, maximum-scale=1, user-scalable=no, viewport-fit=cover">
	<meta name="apple-mobile-web-app-capable" content="yes">
	<meta name="mobile-web-app-capable" content="yes">

	<title></title>
	<meta name="description" content="">

nickav / ReadDirectoryChangesW_craziness.cpp

Last active January 18, 2026 22:42

Example of how to poll ReadDirectoryChangesW on Windows

	int main() {
	char *path = "/path/to/my/directory";
	print("watching %s for changes...\n", path);

	HANDLE file = CreateFile(path,
	FILE_LIST_DIRECTORY,
	FILE_SHARE_READ \| FILE_SHARE_WRITE \| FILE_SHARE_DELETE,
	NULL,
	OPEN_EXISTING,
	FILE_FLAG_BACKUP_SEMANTICS \| FILE_FLAG_OVERLAPPED,

nickav / fidget_spinner.html

Created February 29, 2020 20:12

https://cssbattle.dev/play/17

<a><b><c><d><style>*{background:#09042a}body *{position:fixed;padding:30;border-radius:50%;border:10px solid #09042a;margin:14 19}a{margin:104 90;box-shadow:4em 0 #e78481}c{margin:-146 -38}b,c{background:#f5bb9c}a,d{border-color:#e78481

nickav / sqlParams.ts

Last active December 4, 2019 15:50

	// Converts SQL query from named parameters :param to [param]
	export const sqlParams = (
	sql: string,
	params: Record<string, any>
	): [string, any[]] => {
	const matches = sql.split(/([^:]:[A-z]+[A-z0-9])/g);

	let i = 0;
	const nextParams: any[] = [];
	const nextSql = matches.map((str, index) => {

nickav / hello-opengl-glfw.cpp

Created May 8, 2019 18:19

	#include "deps/glfw/include/GLFW/glfw3.h"
	#include <stdio.h>

	void shader_print_errors(GLuint id) {
	GLint success;
	glGetShaderiv(id, GL_COMPILE_STATUS, &success);

	if (!success) {
	GLchar infoLog[1024];
	glGetShaderInfoLog(id, 1024, NULL, infoLog);

nickav / lisp.js

Last active November 15, 2019 19:25

	const isWhitespace = (char) =>
	char === ' ' \|\| char === '\n' \|\| char === '\t' \|\| char === '\r';

	const isParen = (char) => char === '(' \|\| char === ')';

	const getLiteralType = (literal) => {
	if (literal[0] === '"' && literal[literal.length - 1] === '"') {
	return 'string';
	}

Nick Aversano nickav