REST API – Create, Update or Delete posts using Basic Auth and HTTP API

Begin with REST API – Display others blogs latest posts

How to Configure Self-Hosted Updates for Your Private Plugins

Previous Next Post Navigation for Multiple Post Types at once

How to Combine AJAX load more button with AJAX filters

How to Add Images to Media Library after Uploading them in PHP Programmatically

Add ID and Parent Comment ID Columns to the Comments Table in /wp-admin

How to use Select2 for your Meta Boxes. Creating AJAX-based Posts Dropdown with Search.

Filter Posts and Media Files by a Custom Date Range in Admin Area with no plugins

Weather Forecast Widget / Shortcode

Comment Submission Without Page Refresh. No Plugins Used.

Load More Posts with AJAX. Step by Step Tutorial. No plugins.

Day 4. WordPress Secure Administration

Day 3. Protect your WordPress Files and Dirs Carefully