Call() and Apply()

Call function and assign this.

Appear to be interchangeable?

Call uses list of parameters, apply uses array.

https://stackoverflow.com/questions/10403138/what-is-the-purpose-of-the…

https://www.w3.org/TR/wai-aria/#usage_intro

IPEX product comparison.

Trying to get vim to pretty print html.

Vim php completion. 

Looked intohow to create a style guide in React.

Learning how to create a custom entity in Drupal.

Learning about collaborating with the open source community to implement some Drupal Commerce features.

Learning how to hook into Commerce transactions to apply additional business logic. Need to learn about Events and EventSubscriber class (from Symfony).