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head.ready(function() {
	if(navigator.userAgent.match('CriOS')) head.feature("chrome-ios", true);
	else head.feature("chrome-ios", false);
});

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Hardening WordPress

Change file permissions

Run the following commands:

find /path/to/your/wordpress/install/ -type d -exec chmod 755 {} \;

find /path/to/your/wordpress/install/ -type f -exec chmod 644 {} \;

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<?php
/*
 * Validate Facebook URL field
 * URL field must be named "facebook_video_url" or you can change is in the filter below.
 * Source: https://www.advancedcustomfields.com/resources/acf-validate_value/
*/
function acf_validate_facebook_url( $valid, $value, $field, $input ){
  // If already not valid, then exit
  if( !$valid ) {
    return $valid;

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<?php
/**
* Wrap with Link if URL passed
*/
function wrap_if_linked($text, $url) {
 if($url) {
   echo('<a href="' . $url . '">' . $text . '</a>');
 } else {
   echo($text);
 }

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Common Commands

Apache (Ubuntu)

apache2ctl configtest - Configtest before restarting Apache.

service apache restart - Restart Apache.

service apache restart - Restart MySQL.

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# Redirect to homepage
RewriteEngine on
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule .? http://example.com/ [R=301,L]

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Restore Trash

Run the following commands in shell:

rm -rf ~/.Trash/
mkdir ~/.Trash/

Then relaunch the Finder to apply permissions: Command + Option + Esc and Relaunch Finder.

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AL : Alabama
AK : Alaska
AS : American Samoa
AZ : Arizona
AR : Arkansas
CA : California
CO : Colorado
CT : Connecticut
DE : Delaware
DC : District of Columbia

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<?php
/**
 * Build a name
 */
function build_name($prefix, $fname, $lname, $suffix) {
    $name = $fname . ' ' . $lname;
    if($prefix) $name = $prefix . ' ' . $name;
    if($suffix) $name = $name .= $suffix;
    return $name;
}

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<?php
/**
 * Build Comma-Separated String
 * Won't add a hanging comma if there's only passed value
 */
function comma_separated($array) {
    $string = implode(', ', $array);
    if (preg_match("/, $/", $string)) { // if it ends in a comma, remove the comma
        $string = substr($string, 0, -2);
    }