Bing: UID App

Is there any difference between a GUID and a UUID?

Sat, 25 Apr 2026 17:14:00 GMT

I see these two acronyms being thrown around and I was wondering if there are any differences between a GUID and a UUID?

How to generate unique DICOM UID? - Stack Overflow

Sun, 26 Apr 2026 02:25:00 GMT

Multiple algorithms to generate DICOM UID are explained in this answer with their drawbacks. As per DICOM specifications, all UIDs including SOPInstanceUID in question should be unique.

MiFare - Difference between UID and Serial Number of MiFare Card

Thu, 23 Apr 2026 18:14:00 GMT

I found a document of NXP online which says UID and serial number are different. (on page number 3, line number 5) There is an application of OmniKey that reads the serial number of the card, and it also returns UID only. NXP documentation says UID <> Serial Number and a other standard OmniKey application returns UID as Serial Number.

ruby - What is the difference between a Process' pid, ppid, uid, euid ...

Wed, 22 Apr 2026 00:36:00 GMT

uid: The UNIX ID of the user the process is running under. euid: The effective user ID that the process is running under. The EUID determines what a program is allowed to do, based on what the user with this UID is allowed to do. Typically the same as uid, but can be different with commands like sudo.

podman - Mapping of user ids - Stack Overflow

Thu, 23 Apr 2026 10:00:00 GMT

The normal host UID is always mapped to the intermediate UID 0. Note that in the general case there might be more than one range of subuids. There is a similar command-line option --gidmap for GIDs. Update 2022-02-14 I wrote a troubleshooting tip about this in the Podman documentation.

What's the purpose of each of the different UIDs a process can have?

Wed, 15 Apr 2026 10:09:00 GMT

The real uid is the id of the user that launched a process. The effective uid typically is the same as the real uid. It is different only if: the executable had the set-uid bit set, and the executable owner is different than the user calling it or if a set-uid process calls setuid (2). If the process has superuser privileges, any argument to setuid (2) is allowed (but then all *-uids get set ...

How to easily modify the UID of a Mifare Classic Card?

Fri, 24 Apr 2026 02:42:00 GMT

Authentic MIFARE cards UID can't be changed it is protected by NXP, however there are counterfeit MIFARE cards available in the market where you can change the UID of the card. It is not advisable to use counterfeit cards and also one shouldn't just rely on the UID of the card for identification. You can use NXP Tag Info application on android phone to check whether your card is an authentic ...

How to set uid and gid in Docker Compose? - Stack Overflow

Sat, 25 Apr 2026 07:49:00 GMT

Update: The ability to automatically process UID and GID vars will not be added to compose. Reasoning is solidly explained here as a potential security hole in a declarative language. Previously, this was an open but now closed issue.

What do the identifiers PID, PPID, SID, PGID, UID, EUID mean?

Sat, 25 Apr 2026 19:16:00 GMT

Write a C program that prints the following identifiers PID, PPID, SID, PGID, UID, EUID. The assignment then went on to ask What represents each identifier? I have completed the program, but have not found adequate explanations for the identifiers. What do they really represent? Especially what is the purpose of the SID and PGID identifiers?

linux - Difference between EUID and UID? - Stack Overflow

Fri, 24 Apr 2026 03:04:00 GMT

26 UID is the ID of the user that executed the program. EUID (Effective UID) is the user ID the process is executing. Usually both are equal, unless using a program with SetUID to for example increase your privileges. A common case where UID and EUID are different would be executing sudo.