Adaptive image loading based on network speed

In this article, we'll explore a concept based on Network Information API, Service Workers and Cloudinary to enable web applications to serve lower quality images (if necessary) in order to speed up the perceptual load time of the web app.

Sharing a MongoDB connection in Node.js/Express

This article covers how to share a MongoDB database connection in a Node.js/Express application in the right way.

RESTful API Design - POST vs PUT vs PATCH

Featured

In this blog post we'll not only explore these differences but also discuss idempotent and safe HTTP methods.

RESTful API Design - The basics

Featured

In this article, we'll take a look at some of the basics of REST APIs and design such APIs, in the context of Node.js and Express.

Use Angular Custom Element in Vue.js

In this article, we'll now see how to use such custom elements outside Angular and in a supposedly competing framework, Vue.js.

Create and use Custom Elements with Angular

In this article, we'll take a look at the new custom elements feature in Angular6. We will see how to create a custom element as well as how to reuse it in a simple application.

res.json() vs res.send() vs res.end() in Express

In this article we are discussing the differences between the json(), send() and end() methods available as part of Express response object.

Introduction to GraphQL

In this article, we'll take a look at GraphQL and go through a basic example while exploring why it's a great supplement for REST APIs.

Concurrent HTTP connections in Node.js

Browsers, as well as Node.js, have limitations on concurrent HTTP connections. It is essential to understand these limitations because we can run into undesired situations whereby an application would function incorrectly. In

Why shouldn't JSONP​ be used?

JSONP is could be considered to be a useful way to avoid CORS errors however it has more cons than pros - this article discusses the most important factors.