For developers

PostgreSQL

Generate UUID v7 with PostgreSQL 18, set a primary-key default, extract timestamps, and store application-generated IDs on older servers.

Bash

Bash

Explore different commands that can be used in Bash to generate UUID, including the uuidgen command and using the /proc/sys/kernel/random/uuid file.

C#

C#

Generate UUID v4 with Guid.NewGuid() and UUID v7 with .NET 9 or later. Choose a text format and verify the embedded timestamp.

JavaScript

Learn how to generate UUID in Javascript using two popular methods: the uuid package and the crypto module.

TypeScript

Discover two commonly used methods for generating UUID in Typescript: the crypto module and the uuid package.