How can you make your custom function my_function() pluggable?

which function is use for display usermeta information ?

What does the 'RPC' in name 'XML-RPC' stand for? ('XML-RPC' is used by WordPress to connect to external resources such as a mobile WordPress application)

You can create a custom post type:

WordPress stores your uploads by default following which folder structure?

What is used to get values from custom fields

Which define constant needs to be set in wp-config.php to Force SSL on the Admin Panel?

WordPress supports many-to-many relationship by default.

How does one add a cron schedule recurrence?

The action hook to save post meta on is called:

When constructing a URL with query parameters (?test=1, for example), what is the correct expression to add the query parameters to the URL?