Check if user is sysop
69016
How to check if user is Sysop using Php in Mediawiki?
117081
How can I test the login for an expired session?
42172
Determining user's reputation as of particular date?
84516
Getting the real name of an user
45685
Check if a file is real or a symbolic link
108315
Checking to see if a user has a licence for a managed package
141588
How to get an anonymous user session id?
33564
How to programmatically login/authenticate a user?
6111
Does sys.sql_logins.is_policy_checked mean that the policy has been checked?
31834
Check whether a path is valid
115301
Can I Prevent Enumeration of Usernames?
128678
Is it possible to get the User Id without the authorization?
113966
How do I check the logged-in user username/password/role using a function to validate them?
103277
Can a website know if I am running a userscript?
139546
How to view the user's status?
47865
Check if user is using IE
102806
How to check that a user/password is expired in AIX?