Justin Tadlock: Beyond Prefixing: A WordPress Developer’s Guide to PHP Namespaces (WP Tavern)
Prefixing is one form of “namespacing,” which is just a fancy way of saying that names in this space belong to a specific project. However, prefixing (and suffixing, which is less common) is a hack from a time when no solution existed for the PHP language.
PHP 5.3 introduced an official method of namespacing, so the standard has existed for years. Because WordPress 5.2 bumped the minimum PHP requirement to 5.6, it is time for developers to shed their old habits and catch up to the rest of the PHP world.
WordPress Caching: All You Need to Know (Delicious Brains)
This is a very helpful overview.
Caching in WordPress is often misunderstood. In this post, learn more about some of those misconceptions & get a little clarity on the minefield that is WordPress caching.
Ever wonder what's running under the hood here at CSS-Tricks? Well, it's been a while since we last shared the WordPress plugins used here on the site, and
“Tumblr2WP makes it super simple to transfer your Tumblr content to your own, self-hosted WordPress install. This tool will create a WXR (WordPress eXtended RSS) file from your tumblr site which can be imported into WordPress.”