Popcorn Hacks

Thymeleaf Template Hacks

503 error with an interactive element

<!doctype html>
<html xmlns:layout="http://www.w3.org/1999/xhtml" xmlns:th="http://www.w3.org/1999/xhtml" layout:decorate="~{layouts/base}" lang="en">
<head>
  <title>405 error</title>
  <style>
    body {
      background-color: #f8f9fa;
    }
    .error-container {
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      height: 100vh;
    }
    .error-container h1 {
      font-size: 5rem;
      font-weight: bold;
      margin-bottom: 0;
    }
    .error-container h2 {
      font-size: 2rem;
      font-weight: bold;
      margin-top: 0;
    }
    .error-container button {
      margin-top: 2rem;
      padding: 1rem 2rem;
      border-radius: 0.5rem;
      background-color: #007bff;
      color: #fff;
      font-size: 1.5rem;
      font-weight: bold;
      border: none;
      cursor: pointer;
      transition: all 0.3s ease-in-out;
    }
    .error-container button:hover {
      background-color: #0069d9;
    }
  </style>
</head>
<body>
  <div class="error-container">
    <h1>405</h1>
    <h2>Method Not Allowed</h2>
    <p>You may have accidently used an unsupported method.</p>
    <button id="play-game">Leave Page</button>
  </div>

  <script>
    const playGameButton = document.querySelector('#play-game');
    playGameButton.addEventListener('click', () => {
        window.close();
    });
  </script>
</body>
</html>

500 error - Extra

I created a 500 error with a ball that bounces around.

<!DOCTYPE HTML>
<html>
<head>
    <title>500 error</title>
    <style>
        body {
            background-color: #f8f9fa;
            font-family: Arial, sans-serif;
        }

        .container {
            margin: 0 auto;
            max-width: 800px;
            text-align: center;
        }

        h1 {
            color: #dc3545;
            font-size: 4rem;
            margin-top: 2rem;
        }

        p {
            font-size: 1.5rem;
            margin-bottom: 2rem;
        }

        button {
            background-color: #dc3545;
            border: none;
            border-radius: 5px;
            color: #fff;
            cursor: pointer;
            font-size: 1.5rem;
            padding: 1rem 2rem;
            transition: background-color 0.3s ease;
        }

        button:hover {
            background-color: #c82333;
        }

        canvas {
            border: 1px solid #dc3545;
            margin: 2rem auto;
        }
    </style>
</head>
<body>
    <div class="container">
        <h1>500 Internal Server Error</h1>
        <p>The server failed to process your request.</p>
        <button onclick="startGame()">Start</button>
        <canvas id="myCanvas" width="480" height="320"></canvas>
        <script>
            function startGame() {
                var canvas = document.getElementById("myCanvas");
                var ctx = canvas.getContext("2d");
                var x = canvas.width/2;
                var y = canvas.height-30;
                var dx = 2;
                var dy = -2;
                var ballRadius = 10;

                function drawBall() {
                    ctx.beginPath();
                    ctx.arc(x, y, ballRadius, 0, Math.PI*2);
                    ctx.fillStyle = "#dc3545";
                    ctx.fill();
                    ctx.closePath();
                }

                function draw() {
                    ctx.clearRect(0, 0, canvas.width, canvas.height);
                    drawBall();
                    if(x + dx > canvas.width-ballRadius || x + dx < ballRadius) {
                        dx = -dx;
                    }
                    if(y + dy > canvas.height-ballRadius || y + dy < ballRadius) {
                        dy = -dy;
                    }
                    x += dx;
                    y += dy;
                }

                setInterval(draw, 10);
            }
        </script>
    </div>
</body>
</html>

Change to home screen

<!DOCTYPE html>
<html lang="en">
<head>
    <title>Intro</title>
    <style>
        body {
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
        }
        .square {
            display: flex;
            justify-content: center;
            align-items: center;
            width: 50%;
            height: 50%;
            background-color: #f2f2f2;
            border: 2px solid #000;
        }
        h1 {
            text-align: center;
        }
    </style>
</head>
<body>
    <div class="square">
        <h1>Welcome to the Stuidous Backend</h1>
    </div>
</body>
</html>

Controller Hacks

Thymeleaf for interacting with a dog buying api

<!DOCTYPE html>
<html xmlns:th="http://www.thymeleaf.org">
<head>
    <title>Post about a Dog</title>
    <style>
        body {
            font-family: 'Arial', sans-serif;
            background-color: #f4f4f4;
            margin: 0;
            padding: 0;
        }
        .container {
            width: 80%;
            margin: auto;
            overflow: hidden;
        }
        .box {
            background: rgba(255, 255, 255, 0.8);
            color: #333;
            padding: 20px;
            margin-bottom: 20px;
            border-radius: 5px;
            box-shadow: 2px 2px 15px rgba(0, 0, 0, 0.3);
        }
        h1 {
            color: #333;
            text-align: center;
        }
        form {
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        input[type="text"], textarea {
            width: 100%;
            padding: 12px 20px;
            margin: 8px 0;
            display: inline-block;
            border: 1px solid #ccc;
            border-radius: 4px;
            box-sizing: border-box;
        }
        input[type="submit"] {
            width: 100%;
            background-color: #4CAF50;
            color: white;
            padding: 14px 20px;
            margin: 8px 0;
            border: none;
            border-radius: 4px;
            cursor: pointer;
        }
        input[type="submit"]:hover {
            background-color: #45a049;
        }
    </style>
</head>
<body>
    <div class="container">
        <h1 th:text="'Hello, ' + ${dogName} + '!'" />
        <div class="box">
            <form action="#" th:action="@{/post}" method="post">
                <label for="dogName">Dog Name:</label><br>
                <input type="text" id="dogName" name="dogName" th:value="${dogName}"><br>
                <label for="post">Post:</label><br>
                <textarea id="post" name="post"></textarea><br>
                <input type="submit" value="Submit">
            </form>
        </div>
        <div th:if="${!#lists.isEmpty(posts)}">
            <h2>Posts:</h2>
            <ul>
                <li>Test: test</li>
                <li th:each="post : ${posts}" th:text="${post}"></li>
            </ul>
        </div>
    </div>
</body>
</html>

BobTheFarmer / Colin-Blog3

Hacks + Extra #9

Popcorn Hacks

Thymeleaf Template Hacks

503 error with an interactive element

500 error - Extra

Change to home screen

Controller Hacks