WordPress get_the_content WITH formatting

global $post;
ob_start();
the_content();
$output = ob_get_contents();
ob_end_clean();

Source: WordPress › Support » get_the_content WITH formatting

How to define a default post thumbnail

add_filter( 'post_thumbnail_html', 'my_post_thumbnail_html' );

function my_post_thumbnail_html( $html ) {

	if ( empty( $html ) )
		$html = '<img src="' . trailingslashit( get_stylesheet_directory_uri() ) . 'images/default-thumbnail.png' . '" alt="" />';

	return $html;
}

Two simple ways to correctly define a default post thumbnail (i.e., featured image) in WordPress.

Source: How to define a default post thumbnail

Post Status Transitions WordPress

function on_all_status_transitions( $new_status, $old_status, $post ) {
    if ( $new_status != $old_status ) {
        // A function to perform actions any time any post changes status.
    }
}
add_action(  'transition_post_status',  'on_all_status_transitions', 10, 3 );

Source: Post Status Transitions « WordPress Codex

How to Disable Post Revisions in WordPress and Reduce Database Size

//add this to wp-config.php

define('AUTOSAVE_INTERVAL', 300 ); // seconds
define('WP_POST_REVISIONS', false );

Simply disable Post Revisions feature in WordPress by following this tutorial and reduce your database size.

Source: How to Disable Post Revisions in WordPress and Reduce Database Size

Setting up a Secure Single Node Elasticsearch server behind Nginx

Source: Setting up a Secure Single Node Elasticsearch server behind Nginx – Dreaming in Data

Securing Elasticsearch using Nginx as a Proxy

An easy way to go about securing Elasticsearch is to wrap it in a Nginx proxy. This post will show you how.

Source: Securing Elasticsearch using Nginx as a Proxy – EagerElk

How to install OpenJDK 8 on 14.04 LTS

sudo add-apt-repository ppa:webupd8team/java -y
sudo apt-get update
sudo apt-get install oracle-java8-installer

Source: java – How to install OpenJDK 8 on 14.04 LTS? – Ask Ubuntu

UpdateDB in Mac

sudo /usr/libexec/locate.updatedb

Upgrading rsync on OS X using Homebrew

Source: osx – Upgrading rsync on OS X using Homebrew – Stack Overflow

templates PHP Eval that evaluates HTML & PHP

function render($script, array $vars = array())
{
    extract($vars);

    ob_start();
    include $script;
    return ob_get_clean();
}

$test = 'one';
echo render('foo.php', array('test' => 'two'));
echo $test; // is still 'one' ... render() has its own scope

I’m messing around with templating and I’ve run into a situation where I need to echo to the browser a template that contains html & php. How do I evaluate the PHP and send it to the browser? So

Source: templates – PHP Eval that evaluates HTML & PHP – Stack Overflow