To redirect the URL addresses of your domain from HTTP to HTTPS, add the following code at beginning in the .htaccess file.
- It is a 301 redirect, good for SEO. 
Options +FollowSymLinks
RewriteEngine On

RewriteCond %{HTTP:X-Forwarded-Proto} !https
RewriteCond %{HTTPS} off
RewriteRule (.*) https://%{HTTP_HOST}%{REQUEST_URI} [R=301,L]

Make URL address without www

If you also want to make all the URL addresses of your website without www, add the following code in .htaccess.
- Replace "domain_name" with the name of your domain. 
RewriteCond %{HTTP_HOST} ^www.domain_name.net
RewriteRule ^(.*)$ https\:\/\/domain_name.net\/$1 [R=301,L]
- Make sure that the links in the pages of your website are with the New Address.

Daily Test with Code Example

HTML
CSS
JavaScript
PHP-MySQL
Which tag renders as emphasized text, displaying the text oblique?
<strong> <pre> <em>
<p>Web development courses: <em>CoursesWeb.net</em></p>
Which CSS property defines the space between the element border and its content?
margin padding position
h3 {
  padding: 2px 0.2em;
}
Click on the method which returns the first element that matches a specified group of selectors.
getElementsByName() querySelector() querySelectorAll()
// gets first Div with class="cls", and shows its content
var elm = document.querySelector("div.cls");
alert(elm.innerHTML);
Indicate the PHP variable that contains data from a form sent with method="post".
$_SESSION $_GET $_POST
if(isset($_POST["field"])) {
  echo $_POST["field"];
}
htaccess - Redirect URL address from HTTP and WWW to HTTPS

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