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Questions tagged [uuid]

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

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

A UUID is a 16-octet (128-bit) number. In its canonical form, a UUID is represented by 32 hexadecimal digits, displayed in five groups separated by hyphens e.g.

5a0e8422-e29b-41d4-a716-416155440000

UUID is standardised by the Open Software Foundation (OSF) as part of the Distributed Computing Environment (DCE).

Wikipedia page for Universally Unique Identifier

See also:

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Create custom Audio Effect in Android

I'm working on Android 11, and trying to create my own AudioEffect. Some audio effects already exist by default, and are derived from AudioEffect.java base class, like BassBoost. Should I derive my effect from AudioEffect base class? And it seems…
Mian
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Is it possible to get a unique device id for device i am using in nodejs

I am currently using nodejs as backend and I would like to get a unique device id for each device that access my website. Is there any npm package that do that. I tried node-machine-id but it gave me the same device id when i sumbitted the request…
Ahmed
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How To Fix .NativeModules.RNGetRandomValues.getRandomBase64 Error

I am getting the following error when trying to run my react-native app with iOS device and I am unsure why, any ideas? Just a heads up the app works fine on android simulator. ERROR TypeError: null is not an object (evaluating…
Ahmeeya Goldman
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how to UUID create and call?

I am making an app, how can I issue and call UUID when first running the app? I'm using Python, Django . And I have to make a call to the URL for the front. import uuid print uuid.uuid4() 2eec67d5-450a-48d4-a92f-e387530b1b8b How to make it is like…
pydjango
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JavaScript/TypeScript: Convert UUID from most significant bits (MSB)/least significant bits (LSB) representation to string

To save space when passing UUIDs with Protocol Buffers, we send them using the MSB/LSB representation, two 64-bit long values. message Uuid { sfixed64 msb = 1; sfixed64 lsb = 2; } These are simple to go to and from in Java, UUID id =…
rocky
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UUID support for different DB with Spring boot

I am trying to use UUID as the primary key of my table. I am using postgresql for production and h2 for test. I am creating the table using liquibase and set this column type as UUID, which liquibase support the type for both h2 and postgres
user1619397
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liquibase auto generate UUID for multi database

I am trying to use liquibase to auto generate the UUID as the primary key. This post has provided some ideas for postgresql, which I am trying to use. Liquibase - insert rows with uuid
user1619397
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How to generate a Version 5 UUID in Excel

The following code generates a Version 4 UUID. I need to convert it to generate a Version 5 but cannot find any clear documentation on generating a Version 5 UUID using the Microsoft ole32.dll CoCreateGuid function: Private Declare PtrSafe Function…
Donald F. Coffin
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How can I reference content in Alfresco and ensure that the reference is 100% unique

I am working with the Alfresco web service and looking at using it with another web application for content management. Our other web application will need a way to reference content that exist in Alfresco. Are the Reference uuid's that alfresco…
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how to push an object with key using spreador to a new array

I want to add one element to the new array but the bug notification confused me and not work.If user click the color pickerinput and inputtitle and click the Add Colorbutton,one new card will show on the case.This is my expectation. import…
juexu
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not a valid UUID , how to catch wrong UUID?

I am having a validation error when I set a random string in my url as token. How can i catch this validation error? For example: when accesing: https://www.example.com/stream/8e258b27-c787-49ef-9539-11461b251ffad The error is ValidationError at…
deloco
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How to create UUID from bytes when bytes comes from input() in Python

I'm using Python3 to get some useful UUID from string like this: \227L\310\210\r\232MG\2110\221?h$0\313 When I trying to make it manually by placing string to code, all works fine: >>> from uuid import UUID >>>…
A_Vel
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method to generating random UUID using Java

I have a task to generate a unique string, the first thought which came to my mind was to use Java's UUID generator with additional improvements. And so my way of generating a random string looks something like this public static String…
miroana
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Can I make uuid's more random?

I have a program that dispatches messages to separate processes. I need to balance the load, but not in very precise way, almost the same number is ok. Since every message has an uuid field, I want to do it by uuid value. After I tested the uuid…
davyzhang
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The uniqueness of UUID generated using Boost library vs Java

An Android app from my organization needs to assign each users an UUID(version 4) when they first launch the app, currently we're using Boost library 1.58.0 for this purpose, our Android app will use JNI to run the code below for generating…
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