matsuda shinsuke xhackjp1

## for_sample.rb
for num in 3..5 do
  print(num, "¥n")
end

## inner_join.sql
-- based on answer https://stackoverflow.com/a/7745635/808921

SELECT a.id, a.name, b.name
  FROM books as a
    INNER JOIN authors as b
      ON a.author_id = b.id;

## OnClick.html
<!DOCTYPE html>
<html lang="en" dir="ltr">
  <head>
    <meta charset="utf-8">
    <title></title>
  </head>
  <body>
    <p>Hello World!</p>
    <button type="button" name="button" onclick="sample()">Click Me!</button>

## matrix
<!DOCTYPE html>
<html lang="en" dir="ltr">

<head>
  <meta charset="utf-8">
  <title></title>
  <canvas id="q"></canvas>
</head>

<body>

## matrix.js
<!DOCTYPE html>
<html lang="en" dir="ltr">

<head>
  <meta charset="utf-8">
  <title></title>
  <canvas id="q"></canvas>
</head>

<body>

## rotate-p5js.html
<!DOCTYPE html>
<html lang="en" dir="ltr">

<head>
  <meta charset="utf-8">
  <title></title>
  <script src="./p5.js" charset="utf-8"></script>
</head>

<body>

## fillrect.html
<!DOCTYPE html>
<html lang="ja">

<head>
  <meta charset="utf-8" />
  <title>Canvas tutorial template</title>
  <script type="text/javascript">

    function init() {
      draw1();

## color-change.html
<!DOCTYPE html>
<html lang="ja">

<head>
  <meta charset="utf-8" />
  <title>Canvas tutorial template</title>
  <script type="text/javascript">

    var n = 0;
    var canvas = document.getElementById('tutorial');

## gist:d6b2d0469a5bb87a2ab20352d7d6fb77
<!DOCTYPE html>
<html lang="ja">
  <head>
    <meta charset="utf-8" />
    <title>Canvas tutorial template</title>
    <script type="text/javascript">
    const NUM = 500;
    const WIDTH = 800;
    const HEIGHT = 800;
    const PI_2 = Math.PI * 2;

## ver1.html
<!DOCTYPE html>
<html lang="ja">

<head>
  <meta charset="utf-8" />
  <title>Canvas tutorial template</title>
  <script type="text/javascript">
    const WIDTH = 800;
    const HEIGHT = 800;
    const PI_2 = Math.PI * 2;
	-- based on answer https://stackoverflow.com/a/7745635/808921

	SELECT a.id, a.name, b.name
	FROM books as a
	INNER JOIN authors as b
	ON a.author_id = b.id;
	<!DOCTYPE html>
	<html lang="en" dir="ltr">
	<head>
	<meta charset="utf-8">
	<title></title>
	</head>
	<body>
	<p>Hello World!</p>
	<button type="button" name="button" onclick="sample()">Click Me!</button>
	<!DOCTYPE html>
	<html lang="ja">

	<head>
	<meta charset="utf-8" />
	<title>Canvas tutorial template</title>
	<script type="text/javascript">

	function init() {
	draw1();