Article
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...
In the early days of the web, data persistence was only possible with a server. Nowadays, through the use of LocalStorage, we can store data on clients like browsers and mobile apps without communicating with a back-end application. In this article, we will discuss how developers can store data on...
Guest Contributor
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...
Allan Mogusu
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...
Tom Kadwill
Once you've written a web application, there are dozens of offerings to get your app online and usable by other people. One well known offering is part of the Amazon Web Services (AWS) platform - Elastic Compute Cloud (EC2). EC2 is a core part of AWS, and a lot of...
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