fgalassi’s gists

fgalassi / SplitWithUnion.ts

Created July 20, 2024 20:14

	// This is tricky because you cannot do Str extends `${infer Before}${UnionOfSep}${infer After}` ...
	type Split<Str, UnionOfSep extends string, CurrentWord extends string = "", Output extends string[] = []> =
	Str extends `${infer First}${infer Rest}`
	? First extends UnionOfSep
	? Split<Rest, UnionOfSep, "", [...Output, CurrentWord]>
	: Split<Rest, UnionOfSep, `${CurrentWord}${First}`, Output>
	: [...Output, CurrentWord];

fgalassi / parseUrlParams.ts

Last active June 23, 2024 20:31

Solution to bonus challenge 1 from https://type-level-typescript.com/members/template-literal-types

	/**
	* The `navigate` function takes a `Path` string that
	* can contain parameter names using the `users/:username`
	* syntax. Type it so that the `params` object provided
	* as the second argument always contains a key for each variable
	* in the `Path`.
	*/
	namespace parseUrlParams {
	declare function navigate<U extends string>(
	path: U,

fgalassi / map.js

Created June 8, 2017 14:45

Map in very functional es6 style

	let map = (func, [head, ...tail]) => head === undefined ? [] : [func(head), ...map(func, tail)]
	map(n => n + 1, [1, 2, 3])
	// [2, 3, 4]

fgalassi / square_root.rb

Created June 8, 2015 10:39

fgalassi / game_of_life.m

Last active August 27, 2019 21:01

	% The beauty of the right programming paradigm.
	% Conway's Game of life in 4 lines of Octave code.

	function new = life(board)
	neighbours = conv2(board, [1 1 1; 1 0 1; 1 1 1], 'same')
	new = neighbours == 3 \| (neighbours == 2 & board)
	end

	% Create a 100x100 board and run the game in a GUI

fgalassi / game_test.js

Created May 26, 2014 15:13

	var expect = require("chai").expect

	var gameOrig = "../game"
	var gameGood = "../game.good"

	var capturingConsole = function(action) {
	var log = console.log
	var logs = []
	global.console.log = function(msg) {
	logs.push(msg)

fgalassi / deploy

Created May 20, 2014 14:01

	#!/usr/bin/env bash

	if [ "$1" == "" ]; then
	echo "Usage: deploy <command>"
	echo "Execute <command> in the mirror of the dir you are in under /var/www"
	echo "e.g. deploy php scripts/BusinessKnowledgeImport.php --force --only-external-rules"
	exit 1
	fi

	deploy_dir="/var/www"

fgalassi / gist:4167685

Created November 29, 2012 08:54

test.coffee

	describe "wait after pressButton", ->
	before (done)->
	brains.get "/two-timers-only-the-first-useful", (req,res)->
	res.send """
	<html>
	<body>
	<button id="pressMe">press me</button>
	<script>
	var button = document.getElementById("pressMe")
	button.addEventListener("click", function(ev) {

fgalassi / safe_approach.js

Created November 7, 2012 10:19

	Browser.prototype.isGradeA = function() {
	var browser = this
	browser.on("response", function(res, target) {
	var window = browser.window
	var document = browser.document
	var onMobileInitMakeGradeA = function() {
	if (window.$) {
	window.$(document).on("mobileinit", function() {
	window.$.mobile.gradeA = function() { return true }
	})

fgalassi / gist:3806816

Created September 30, 2012 14:03

	// ====================================
	// Example: Nesting callbacks to produce serial requests

	server.on('request', function(req, res) {
	//get session information from memcached
	memcached.getSession(req, function(session) {
	//get information from db
	db.get(session.user, function(userData) {
	//some other web service call
	ws.get(req, function(wsData) {

Federico Galassi fgalassi