<!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 JavaScript iterator helpers to filter, transform, limit, and collect data lazily with clear examples and practical performance guidance.
Learn Python tomllib to read TOML configuration files, handle types and errors, and parse decimal values safely with practical examples.
Learn PHP property hooks to validate, normalize, and compute object properties with practical PHP 8.4+ examples and clear restrictions.
Learn Git worktree to work on multiple branches at once, manage linked working trees safely, and avoid repeated clones with practical commands.
Learn CSS field-sizing to create inputs and text areas that adapt to their content, with constraints, fallbacks, and a runnable example.
Learn the HTML search element to build semantic site searches and filters with accessible forms, JavaScript examples, and best practices.
Learn CSS scroll-state container queries to detect scrollable, stuck, snapped, and scrolled states with practical examples and fallbacks.
Learn Docker build checks to validate Dockerfiles, understand rule violations, fail CI builds, skip checks safely, and test build targets.
Learn Laravel Context to share request metadata with logs and queued jobs using values, stacks, hidden context, and temporary scopes.
Learn REST API conditional requests with ETag, If-None-Match, and If-Match to validate caches, prevent lost updates, and handle safe creation.
Learn REST API Problem Details with RFC 9457, application/problem+json, standard members, validation errors, type URIs, and secure examples.
Learn Laravel Pennant feature flags to control rollouts, scope features, use Blade directives, store values, test flags, and manage releases.
Learn HTML hidden until found to create searchable collapsed content with fragment links, beforematch events, fallbacks, and examples.
Learn Docker Compose Watch to sync files, rebuild images, restart services, configure ignore rules, and improve container development.
Learn CSS @scope to contain component styles, define scope roots and limits, use :scope, handle proximity, and add compatible fallbacks.
Learn Python type hints to annotate variables, functions, lists, dictionaries, optional values, aliases, and improve code clarity.
Learn MySQL generated columns to compute values from expressions using virtual and stored columns, indexes, and practical examples.
Learn HTML dialog element to create native modal and non-modal dialogs with show(), showModal(), close(), forms, and examples.
Learn CSS :has() selector to style parent elements based on child content, form state, and nearby elements with clear examples.