via Passing parameters from PHP to Javascripts in plugins » Otto on WordPress.

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This has been done many times by others, but just a quick tip on how to add or remove www. from your website’s address. This is helpful for URL canonicalization and user experience consistency. You can also achieve SEO-friendly canonicalization using rel="canonical". Oh boy, I’m getting too technical

Here’s the juicy part:

Add the following to the .htaccess file in your website’s root folder (often named public_html or www). If there’s not a file named .htaccess, you may create it. If you are creating the .htaccess file, set the permissions to 644. For security reasons, you don’t want others to be able to write to this file.

Note: These snippets are for http:// only, not secure https:// URLs.

Add www.

Options +FollowSymlinks
RewriteEngine on
RewriteCond %{HTTP_HOST} ^example.com/?(.+)?$
RewriteRule ^(.*)$ "http\:\/\/www\.example\.com/$1" [R=301,L]

Remove www.

Options +FollowSymlinks
RewriteEngine on
RewriteCond %{HTTP_HOST} ^www\.(.*) [NC]
RewriteRule ^(.*)$ http://%1/$1 [R=301,NC,L]

This will work with the majority of web hosts in my experience, but not all.

Additional resources

For more .htaccess information, and great follow-up reading on .htaccess, check out corz.org’s tutorial and second tutorial on some of the most-used .htaccess tricks.

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If you want to disable the WordPress plugin WP-DownloadManager‘s download-css.css file from being loaded, add the following code to your functions.php file:

remove_action('wp_print_styles', 'downloads_stylesheets');

Alternatively, if you would just like to use your own stylesheet, you can add a file named download-css.css to your theme’s directory, and the plugin will automatically load your stylesheet instead.

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