Creating a custom blockquote wrapper format with nested elements in TinyMCE
How to implement more complicated TinyMCE features without shooting yourself in the foot with a real-life example based on Class Central blog's blockquote style.
Programmatically creating attributes, objects etc in Concrete5
Our compilation of C5's not really documented functionality.
Using private Wordpress repositories with Composer
This article contains details on installing private / premium WP plugins via Composer, including those without composer support.
.. or why you should (almost) always write code that's simple, verbose and completely obvious