The phrase "a userid" is correct and usable in written English.
It can be used when referring to a unique identifier assigned to a user, typically in the context of computer systems or online platforms.
Example: "Please enter a userid to access your account."
Alternatives: "a user ID" or "a username".
Each message includes a messageID, a userID, the author's number of followers, a timestamp, the current price of the stock, and other record-keeping attributes.
In other words, whoever broke into the app didn't need a userID to access Clinkle's list of testers or their personal information, which seems to be saved on a Clinkle server.
Some developers would even try various tactics to try to identify the user in question, simply to be able to ask more for information – like reverse engineering a UserID to figure out which email was associated with the user's account, for example.
Users can use a single userID and password to access multiple subscribed resource sites.
In MS, the users are assigned hash values as UserID and a lecture content is assigned a unique LessonID.
Furthermore, it is worth noting that MDA is completely based on a technique employing simple userID, password, and hashing.
The userID is hashed and a copy is stored at the cloud server during registration process.
Specifically, when a mobile device wants to send an authentication request to the cloud server, it generates a key T k, using hashed userID and hashed password (Eq. 2).
When the students create new annotations and/or feedback for a particular slide, those are sent (along with UserID and LessonID) to the MS server to be stored.
But an open one, the more that name is used across silos whether by bit.ly-style name resolvers or perhaps a common field for @twittername alongside user name and userid.
It also shows: userid: the unique ID number the cookie has given your browser ad_id: the unique ID of the advert ad_placement_id: the ID of where the advert was seen on the site referral_url: what page you were on when you saw the advert Because it records your IP address, Doubleclick can also make a good guess of your country and town/city, too.
