A review of interesting Drupal tutorials posted this week: September 16 - 23, 2015.
A new plan for Drupal core development, involving feature branches that keep the master branch in a shippable state at all times.
Part 1 takes you through the Drupal side of things, getting Drupal 8 up and running with a REST API that provides blog posts as JSON.
It's still not a simple as it should be, but it's getting close. I'm really looking forward to using Composer for D8 projects.
For Site Builders
Managing changes you make to a Drupal distribution can be a royal pain. Features Override module makes it a bit better...though still a pain.
A good intro to the Corresponding Entity References module.
For Module Developers
Using Traits in PHP
Traits are recent addition to PHP. They allow you to include repeated code blocks in classes, without using inheritance.
A introductory overview of writing media queries to enable responsive designs.