An informative plot does not only present the data itself well, but annotates the content in a way that readers will quickly grasp it. One critical element is to always add accurate axis labels. In this tutorial, you'll learn how to add and configure axis labels in matplotlib plots. {{outline} …

A JSON Web Key (JWK) is an important piece in the JWT universe because it represents a cryptographic key using a JSON data structure. Each JWK is represented by key-value pairs, like a typical JavaScript object but in JSON format. Additionally, the JSON Web Key Set is a JSON object …

In our tutorial series on matplotlib, you have learned how create many different plots and how to customize their design. So far, you have looked at the resulting plot by calling .show(). But what if you need to share the plot? For example, if you need to send it in …

When emptying an array in JavaScript/Node.js you’ll surely think of reassigning your array’s value to a new array. There’s another way to reset an array: set the length to zero. Let’s have a look at both ways. {{outline}} Assign an Empty Array A common …

After learning about simple bar plots in the previous tutorial, it's time to take a look at stacked bar plots. Stacked bar plots provide more detail information about every individual bar. Let's dive in! {{outline}} Stacked Bar Plots In the simple bar plot tutorial, you used the number of tutorials …

All the previous tutorials in this series on JSON web tokens used a secret or private key in combination with a signing algorithm to create a token’s signature. But in contrast, the JWT specification also allows unsigned tokens. This supports use cases where a token’s content is secured …

In the first two tutorials in this series, you've learned to create scatter and line plots with matplotlib. In this tutorial, you'll learn more about bar plots, including how to create and theme them. {{outline}} Bar Plots As in the past tutorials, before you can create pretty graphs, you need …

You may know the touch command from your command line which creates an empty file if it doesn’t exist. This tutorial shows you how to implement touch in Node.js. You’ll implement a function that creates an empty file using Node.js. You’ll walk through an asynchronous …