Ricardo Tomasi ricardobeat

ricardobeat / Tube.jsx

Last active July 21, 2025 13:50

	import React, { useState } from 'react';
	import { Select, Table } from './components'; // Assuming third-party components

	const App = () => {
	const [selectedLine, setSelectedLine] = useState('bakerloo');
	const { data: lines } = useDataSource('https://api.tfl.gov.uk/line/mode/tube/status', []);

	const {
	data: tubeStations,
	loading,

ricardobeat / ui-controls.js

Last active March 31, 2025 22:35

Thanks Claude


	// UI Controls Generator
	(function() {
	// Create a container for our controls
	const container = document.createElement('div');
	container.id = 'ui-controls-container';
	container.style.cssText = `
	position: fixed;
	top: 20px;
	right: 20px;

ricardobeat / shape-extract.mjs

Last active July 3, 2024 13:07

Extract SVG shapes from a draw.io mxlibrary file

	import fs from 'node:fs'
	import path from 'node:path'

	let opts = {}
	process.argv.forEach(function (val, index, array) {
	if (val.startsWith('--')) {
	opts[val.slice(2)] = process.argv[index+1]
	}
	});

ricardobeat / calc.html

Last active March 17, 2025 16:35

	<!doctype html>
	<body>
	<input :bind="interval" />
	<input :bind="users" />
	<p><span :text="interval"></span>s</p>
	<p><span :text="((1/interval) * 60 * 60 * 24 * 30 * users / 1_000_000)\|0"></span>M requests / month</p>
	<script>
	const $ = (s) => document.querySelector(s)
	const $$ = (s) => Array.prototype.slice.call(document.querySelectorAll(s), 0)

ricardobeat / sequential-test.js

Created March 8, 2024 09:35

Sequential test based on Evan Miller's


	function sequentialTest(control, treatment, sample) {
	if (treatment - control >= 2.25 * Math.sqrt(sample)) {
	return 'treatment wins'
	} else if (control - treatment >= 2.25 * Math.sqrt(sample)) {
	return 'control wins'
	} else if (treatment + control >= sample) {
	return 'stop test. no winner'
	}
	return 'continue testing'

ricardobeat / assignment-FNV-multi-variant.js

Last active April 8, 2024 12:14

Experiment assignment for Cloudfront

	const BUCKETS = 120 // multiple of 3 for correct split on 3-variant experiments
	const seed = '8fc40cab' // random seed, change to reallocate users

	function hashFNV(s, h = 0x811c9dc5) {
	for (let i = 0; i < s.length; i++) {
	h ^= s.charCodeAt(i);
	h += (h << 1) + (h << 4) + (h << 7) + (h << 8) + (h << 24);
	}
	return h >>> 0;
	}

ricardobeat / lodash-group-by-unrolled.js

Created December 19, 2023 21:53

lodash 'simple group by'

	// https://github.com/lodash/lodash/blob/4.17.15/lodash.js#L9393C5-L9399C8
	var groupBy = createAggregator(function(result, value, key) {
	if (hasOwnProperty.call(result, key)) {
	result[key].push(value);
	} else {
	baseAssignValue(result, key, [value]);
	}
	});

	// https://github.com/lodash/lodash/blob/4.17.15/lodash.js#L4818C5-L4825C6

ricardobeat / Brewfile

Last active October 25, 2022 14:32

Mac CI runner

ricardobeat / index.html

Created September 10, 2018 09:21

Inline event attributes benchmark

ricardobeat / task.js

Last active November 4, 2020 18:02

Taks sample

	const { task, read, write } = require('taks')
	const _postcss = require('postcss')
	const _rollup = require('rollup')
	const _uglify = require('uglify-es')

	const postcss = task.plugin(async function (input, output, options) {
	let opts = Object.assign({ from: undefined, plugins: [] }, options)
	let src = await read(input)
	let { css } = await _postcss(opts.plugins).process(src, opts)
	return write(output, css)