Theme hooks vs module hooks
Some hooks can be used in themes.
#Development
Resources
Wim Leers
Wim Leers' blog.
Grav CMS for Drupal developers
This article maps Drupal concepts to Grav. Grav is a lightweight CMS that uses flat files instead of a database.
YAML for config...
Friday 5: 5 Command Line Tools You Should Use NOW
Brief intro to 5 useful tools. My eyes popped a few times after seeing how useful these are.
J-P Stacey
Blog by a freelance Drupal developer. Great articles!
Tips
Alter dummy content created with Devel Generate
Use this pattern with entity hooks to check if the entity is created with Devel Generate.