uuid

In this post, we will learn how to authenticate users using session cookies in a Node.js server application. When a user logs into our application, we need to know who they are across all our HTTP methods and routes. One way to do this is to store the users “session”. A session is started once a user logs in, and expires some time after that. Each logged in user has some reference to the session (called a cookie), which they send with their requests....

In this post, we will learn how to authenticate users using session cookies in a Golang server application. When a user logs into our application, we need to know who they are across all our HTTP methods and routes. One way to do this is to store the users “session”. A session is started once a user logs in, and expires some time after that. Each logged in user has some reference to the session (called a cookie), which they send with their requests....

This post will describe UUID v1, v4, and v5, with examples. We will go through their implementation and differences, and when you should use them. Having a unique identifier is an important requirement in many applications today. The “Universally unique identifier”, or UUID, was designed to provide a consistent format for any unique ID we use for our data. UUIDs address the problem of generating a unique ID - either randomly, or using some data as a seed....