COVID-19 data by country

March 28, 2020

COVID-19 Today shows daily stats for the coronavirus. It’s a web app built in React that displays COVID-19 data by country. Here’s the source code.

JWT ECDSA signing in JavaScript

September 8, 2019

How to use JWT ECDSA to provide read-only JSON Web Tokens to a client app. Learn how to sign your tokens in Node.js and read them on the front-end.

Animated Show More toggle in React

April 20, 2019

React Animated Show More is a simple, fully-customizable React component that expands and collapses to show your content.

Express route param validation (Node.js)

March 10, 2019

Express route param validation using Joi via the NPM module express-joi-validate. Validate your API endpoints using the power of Joi in an Express app.

dev domain extension for local development

February 16, 2019

Configure your Apache virtual host to use a custom URL with a .dev domain extension. For example, if your site is, use for local development!

React Rails travel app case study

September 7, 2017

Track countries you visit using this travel app built using React Rails. Choose countries via the interactive map, and share the map with your friends!