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HTML5 canvas and javascript fireworks tutorial

Learn to make a fireworks display with HTML5 Canvas and JavaScript. In this demo, the pixel sized rockets launch from the bottom of the screen automatically, and by the click of your mouse. You can also click and drag to launch multiple fireworks.

The tutorial covers keeping track of and looping over objects contained in arrays, tracking mouse clicks and coordinates, animating fireworks to specific target coordinates, and making beautiful particle explosions through the use of randomly generated values.

Feel free to play with the config variables in the JS code to have fun with the experiment.

This was made by: https://twitter.com/jackrugile

郵便局のHPからken_all.zipをダウンロード(Download zipcode CSV file "ken_all.zip"):

$ wget http://www.post.japanpost.jp/zipcode/dl/kogaki/zip/ken_all.zip

ZIPを解凍(Extract KEN_ALL.CSV from ken_all.zip):

$ unzip ken_all.zip

	/*
	* SPDX-FileCopyrightText: 2024 M5Stack Technology CO LTD
	* SPDX-License-Identifier: MIT
	* M5Stack LLM Module で日本語対話。Serial MonitorでBoth BL&CRを設定するとよいです。
	*/
	#include <Arduino.h>
	#include <M5Unified.h>
	#include <M5ModuleLLM.h>

	M5ModuleLLM module_llm;

	# Apache License 2.0
	# 使用法は gist のコメントを見てください
	import time
	import argparse
	import os
	import json
	import tomli
	import traceback
	from typing import Any, Dict, List, Optional, Union, Iterator

	# Script for converting a HF Diffusers saved pipeline to a Stable Diffusion checkpoint.
	# Only converts the UNet, VAE, and Text Encoder.
	# Does not convert optimizer state or any other thing.
	# Written by jachiam

	import argparse
	import os.path as osp

	import torch

	require 'typhoeus'
	require 'ethon'

	resolve = Ethon::Curl.slist_append(nil, "example.com:443:1.2.3.X")

	r = Typhoeus::Request.new(
	"https://example.com",
	resolve: resolve,
	# verbose: true,
	)

	defmodule Common.FinderFunctions do
	@moduledoc """
	Certainly not a perfect replication of Rails' finder methods, but at least gives Rails developers
	some sense of home with Ecto. This does not reach into associations, nor is it huge-db friendly.

	## Usage:
	0. Don't. Just learn Ecto.
	1. In your given module that implements Ecto's schema, let it
	`use Common.FinderFunctions, repo: MyApp.Repo`. This also assumes there
	is a changeset function on your model.

	function tableToJson(table) {
	var data = [];

	// first row needs to be headers
	var headers = [];
	for (var i=0; i<table.rows[0].cells.length; i++) {
	headers[i] = table.rows[0].cells[i].innerHTML.toLowerCase().replace(/ /gi,'');
	}

	// go through cells

	#!/bin/bash

	# https://cloud.google.com/compute/docs/faq#find_ip_range
	# nslookup -q=TXT _cloud-netblocks.googleusercontent.com 8.8.8.8

	myarray=()
	for LINE in `dig txt _cloud-netblocks.googleusercontent.com +short \| tr " " "\n" \| grep include \| cut -f 2 -d :`
	do
	myarray+=($LINE)
	for LINE2 in `dig txt $LINE +short \| tr " " "\n" \| grep include \| cut -f 2 -d :`