In software testing, a "spy" records how a function is used when it is tested. This includes how many times it was called, whether it was called with the correct arguments, and what was returned.
While tests are primarily used to validate the output of a function,
Heroku is a hosting service that supports Node.js applications. It is easy to use and its functionality can be extended with add-ons. There are add-ons for various things, including messaging/queues, logging, metrics, and of course, data stores. The data store add-ons support popular databases, like PostgreSQL, Redis,
Testing is a fundamental part of the software development process. When creating web applications, we make calls to third-party APIs, databases, or other services in our environment. Therefore, our tests must validate those request are sent and responses handled correctly. However, we may not always be able to communicate
It's not an overstatement to say that information and data runs the world. Almost any application, from social media and e-commerce websites to simple time tracker and drawing apps, relies on the very basic and fundamental task of storing and retrieving data in order to run as expected.
Amazon's
In this article, we will be talking about how JSON Web Tokens works, what are the advantages of them, their structure, and how to use them to handle basic authentication and authorization in Express.
You do not have to have any previous experience with JSON Web Tokens since we
A common operation in many programming languages is to check if a string contains another string. While it's a simple and common task, the method names often differ between programming languages. For example, here is a small sample of the methods used to achieve this in various languages:
String.NPM, or the Node Package Manager, is a powerful tool that allows you to easily manage dependencies, run scripts, and organize project metadata. It's main purpose, however is to help you download and install Node packages from its repository to your project.
Downloading and installing a package is done using
