What type of installation allows for multiple WordPress Sites/Blogs on one WordPress Installation?

The default user role for new user registration

What is the WordPress Codex?

Expert WordPress users often share their insight and knowledge by publishing help articles here.

What is the safest way to customize the look and functionality of your site without losing the changes on updates?

Template file sidebar.php must be included in every theme

A user with role = 'author' can moderate comments, but only on his own posts

Which hook execute-first?

Which hook do you use to enqueue javascript in the admin?

How to change the default gravatar in WordPres?

Which one is NOT a transient time constant?