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Recursion is a programming technique where a function calls itself in order to solve a problem. It can be used to simplify problems that can be broken down into smaller, similar problems. ...
function factorial(n) {
  // Base case: If n is 0 or 1, return 1
  if (n <= 1) {
    return 1;

  // Divide the problem into smaller sub-problems
  var sub_factorial = factorial(n - 1);

Added  Feb 02, 03:13 pm Views 14
Event handling in JavaScript refers to the process of detecting and responding to user interactions with a web page, such as clicking a button, hovering over an element, or submitting a form. I...
<button id="myButton">Click Me</button>

// Get the button element
var button = document.getElementById("myButton");

// Attach a click event handler t...
Added  Feb 02, 03:09 pm Views 15
In JavaScript, you can generate an instrumental sound using the Web Audio API, which provides an interface for controlling audio on a web page. Here's a basic example of how you can generate a simple...
var context = new (window.AudioContext || window.webkitAudioContext)();
var oscillator = context.createOscillator();
oscillator.type = "sine";
oscillator.frequency.value = 440;  // A4 note...
Added  Feb 02, 03:07 pm Views 14
There are several ways to encrypt passwords in PHP, but one of the most widely used and secure methods is using the password_hash() function. This function uses the bcrypt algorithm to gen...
$password = "secret123";

// Create a hash of the password
$hash = password_hash($password, PASSWORD_BCRYPT);

// Store the hash in a database


// Verify a password
Added  Feb 02, 02:26 pm Views 11
You can create a custom 404 error page in PHP by using the following code in your web server configuration file or in the .htaccess file: where "/404.php" is the path to your custom 404 e...
ErrorDocument 404 /404.php
Added  Feb 02, 02:14 pm Views 2
In C++, some operators cannot be overloaded because they have a special meaning in the language. The following operators cannot be overloaded: These operators cannot be overloaded because t...
Added  Feb 02, 03:09 am Views 13
URL rewriting is a technique used to modify the appearance of a URL to make it more user-friendly and SEO-friendly. It is often used to remove file extensions (such as .php or .html) or to...
RewriteEngine On
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^(.*)$ $1.php [L]
Edited  Feb 02, 03:01 am Views 6
You can hide the .html file extension in a URL by using . This can be done using server-side scripting languages such as PHP or Apache mod_rewrite module. The process involves mapping clean, us...
RewriteEngine On
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^(.*)\.html$ $1 [R=301,L]
Edited  Feb 02, 03:03 am Views 17
Here are some of the most surprisingly useful PHP functions:
Edited  Feb 02, 12:11 am Views 13
To insert special characters into a MySQL database, you can use the following steps:- Note: Be sure to wrap the special characters in quotes, as they are considered strings in the SQL sta...
Added  Jan 31, 07:37 pm Views 18
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