<!DOCTYPE html>
<html>
<head>
<title>Webpage Title</title>
</head>
<body>
<h1>Main Heading</h1>
<p>A paragraph text.</p>
</body>
</html>Learn to style web pages.
body {
background-color: #FFF;
font-size: 16px;
}
h1 {
font-size: 2rem;
}
p {
font-family: Verdana,sans-serif;
}Learn to build interactive web pages.
<button onclick="demoFunc()">Click Me!</button>
<script>
function demoFunc() {
let p = document.getElementById("p");
p.textContent = "You changed this text!";
p.style.fontSize = "20px";
p.style.color = "blue";
}
</script>Learn to build fast and scalable server-side applications with Node.js.
const express = require('express');
const app = express();
app.get('/', (req, res) => {
res.send('Hello Express.js!');
});
app.listen(3000, () => {
console.log('Server running on port 3000');
});
Learn to build dynamic web content.
<?php
echo "Hello, I'm a PHP script!";
function demoFunc()
{
echo "It works.";
echo "Today's date is " . date('Y-m-d');
echo "Have a great day!";
}
demoFunc();
?>Learn to manage and manipulate relational and NoSQL databases efficiently.
-- Retrieve active users
SELECT userID,
CONCAT(firstName, ' ', lastName) AS name,
email,
registrationDate
FROM users
WHERE status = 1;
-- End of query
-- Output: userID, name, email, registrationDateLearn to develop diverse software with simplicity and readability.
def greet():
return '''Welcome to Python!
It's easy to learn.'''
message = greet()
print(message)Learn to create cross-platform applications and enterprise software.
public class Greet {
static String greet() {
return "Welcome to Java!";
}
public static void main(String[] args) {
System.out.println(greet());
System.out.println("It's easy to learn.");
}
}<%@ page contentType="text/html; charset=UTF-8"%>
<html>
<head>
<title>Quick JSP Demo</title>
</head>
<body>
<p>Hello, I'm a JSP script!</p>
<% out.println("Today's date is " + new java.util.Date()); %>
</body>
</html>Learn to create systems software and understand low-level computing.
#include<stdio.h>
int main()
{
printf("First C Program.\n");
return 0;
}Learn to create systems software with object-oriented capabilities.
#include <iostream>
int main()
{
std::cout<<"First C++ Program.";
std::cout<<std::endl<<"Its easy to learn.";
}Learn to structure and exchange data efficiently with JSON and XML.
{
"user": {
"name": "User name",
"active": true
}
<user>
<name>User name</name>
<active>true</active>
</user>
Learn about Docker images, their purpose, and how to create, manage, and use them efficiently in containerized applications.
Learn how to install Docker on Windows, macOS, and Linux. Follow step-by-step instructions to set up Docker and verify its installation on your system.
Learn what Docker is and why it is essential for modern application deployment. Understand the basics of containerization and how Docker simplifies software development.
Learn how to resolve merge conflicts in Git with simple steps. Understand why conflicts happen and how to fix them using Git commands and best practices.
Learn about the Git lifecycle, including working directory, staging area, local repository, and remote repository. Understand how changes move through these stages for efficient version control.
Learn the essential Git commands for version control. This tutorial covers initializing a repository, staging, committing, branching, merging, and pushing changes.
Learn how to install Git on Windows, macOS, and Linux with this step-by-step guide. Set up Git and start managing your code efficiently.
Learn how to implement JWT authentication in an Express.js application using MongoDB, Mongoose, bcryptjs, and jsonwebtoken. This tutorial walks you through user authentication with hashed passwords and token-based access control.
Learn how to use the HTML <input> pattern attribute to validate user input with regular expressions. Enhance form validation and user experience with custom patterns.
Secure your Express.js app with JWT authentication. This tutorial covers setup, token generation, verification, and protected routes using Node.js.
Learn how to use environment variables in Express.js to manage configuration settings securely. Explore the .env file, process.env, and best practices for handling sensitive data.
Discover how to integrate MySQL with Express.js to build dynamic web applications. Learn setup, CRUD operations, and best practices.
Discover how to connect Express.js to MongoDB, perform CRUD operations, and build database-driven web applications using Node.js and MongoDB integration.
Learn how to implement API versioning in Express.js using URI, header, and query parameter strategies. Ensure backward compatibility and manage API changes seamlessly.
Learn how to build a REST API with Express.js. This tutorial covers setting up routes and implementing CRUD operations using HTTP methods like GET, POST, PUT, and DELETE.
Learn how to convert text to speech in Python using pyttsx3. Explore examples for voice customization, saving audio files, and controlling playback.
Discover how to fetch, analyze, and visualize historical stock data using Python and the yfinance library. Build financial models, track performance, and conduct data-driven analyses with this step-by-step guide.
Learn how to create a contact management system in Python. Use JSON for persistent storage, manage contacts with CRUD operations, and build programming skills.