Article
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, and...
Tom Kadwill
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 with...
Allan Mogusu
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 Relational...
Josh Simpson
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 will...
Janith Kasun
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: Java: String....
Scott Robinson
NPM, or the Node Package Manager, is a powerful tool that allows you to easily manage dependencies, run scripts, and organize project metadata. Its 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...
For much of JavaScript's life, it was a browser-only programming language and could not run on the server-side like it can now. Because of this, JS has a lot of built-in functions that are specific to browser-side functions, like encoding strings for use in URLs. Some of the most commonly...
Defining and calling functions are key practices for mastering JavaScript and most other programming languages. Usually, a function is defined before it is called in your code. Immediately-Invoked Function Expressions (IIFE), pronounced "iffy", are a common JavaScript pattern that executes a function instantly after it's defined. Developers primarily...
There are numerous free hosting services available for getting your Node.js applications up and running publicly. One of these services is Heroku, that allows you to deploy, manage and scale your applications on the web. In this article we'll be building a simple Node and Express.js application that...
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