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:

How do you turn on debugging in WordPress?

How can one determine the post format of the current post in the loop?

What is the preferred way to programmatically make an HTTP API GET request from within WordPress?

which function will return current site URL

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

If pagination is not needed, which should be included in the array of arguments passed to WP_Query()?

If you are writing a custom query that will not be paginated, you should:

Where can the size limit for uploaded files be set?