What argument do you pass to WP_Query to limit the number of posts shown on each page?

Which template tag should you use to output the post title inside the loop?

What is the best way to add plugin functionality to a theme template without breaking the theme if the plugin is not installed? (Example plugin: Foo)

Since WordPress 2.7.0 you can perform HTTP GET and POST requests with the following methods

When another site links to your article, you receive a notification in your dashboard called a:

The WordPress Codex is editable by:

Which capability is required to edit menus?

How many times a minute can spawn_cron() run?

WordPress Codex site is built on?

which function will return current site URL

Which WordPress function is used to get the content of a post after the <!--more--> tag?