Top "Uuid" questions

A UUID (Universally Unique IDentifier) is an identifier that is created with the intent of being, as the name suggests, universally unique.

Check that the SPP UUID 00001101-0000-1000-8000-00805F9B34FB exists on server

I'm using Windows 7 PC as Server. Code: public class PCSPPServer { //start server private void startServer() throws IOException{ //Create a UUID …

android bluetooth uuid spp
Best practices for SessionId/Authentication Token generation

I have seen people using UUID for authentication token generation. However, in RFC 4122 it is stated that Do not assume …

authentication uuid sessionid
Django migration with uuid field generates duplicated values

I have a uuid field (not a primary key). The generated migration is: from __future__ import unicode_literals from django.…

python django uuid django-migrations
Shortening java UUID while preserving the uniqueness

I'm trying to make the java UUID shorter while preserving the same uniqueness as the UUID has. I wrote the …

java uuid base62
UUID Primary Key in Postgres, What Insert Performance Impact?

I am wondering about the performance impact of using a non-sequential UUID as the primary key in a table that …

database performance postgresql indexing uuid
Generating a unique ID in PHP

I'm trying to generate a unique ID in php in order to store user-uploaded content on a FS without conflicts. …

php guid unique uuid identifier
How do I identify a blank uniqueidentifier in SQL Server 2005?

I'm getting a uniqueidentifier into a Stored Procedure that looks like this 00000000-0000-0000-0000-000000000000. This seems like a …

sql-server sql-server-2005 uniqueidentifier uuid
Android: Use UUID as primary key in SQLite

My app needs to get synced with other app users (on there own devices). I also want to support offline …

android performance sqlite primary-key uuid
UUID library for C?

I'm looking for a UUID library for programming in C, that has a reasonable probability of being installed (or at …

c linux uuid pkg-config