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How to Use a U2F Key to Secure Your Crypto Accounts


Universal 2nd Factor (U2F) is an open standard for strengthening two-factor authentication. It involves the use of a physical key to reinforce 2FA, hardening your online accounts from attack. In this guide, we’ll explain how to use a Yubikey to lock down your exchange account, email account...

Build a dynamic JAMstack app with GatsbyJS and FaunaDB


In this article, we explain the difference between single-page apps (SPAs) and static sites, and how we can bring the advantages of both worlds together in a dynamic JAMstack app using GatsbyJS and FaunaDB. We will build an application that pulls in some data from FaunaDB during build time...

A Codebase and a Community


I woke up one morning and realized that I had it all wrong. I discovered that code and design are unable to solve every problem on a design systems team, even if many problems can be solved by coding and designing in a dark room all day. Wait, huh? How on earth does that make any sense? Well...

How Big Hydro Power Partners With Bitcoin Miners to Prevent Energy Waste


We are often told that the verification of bitcoin transactions eats a lot of energy. The largely inaccurate comparison to a small country, the size of Ireland or Denmark, is evoked thanks to numerous clickbait headlines. What mainstream media fails to explain, however, is that bitcoin mining...

The practical value of semantic HTML


I love how Bruce steps up to the plate here: If the importance of good HTML isn’t well-understood by the newer breed of JavaScript developers, then it’s my job as a DOWF (Dull Old Web Fart) to explain it. Then he points out some very practical situations in which good HTML brings meaningful...

Build Firefox Faster with Artifact Builds


Working on Firefox DevTools has always been a dream of mine, mostly because it feels like the ultimate way to give back to the development community and those that helped me become a success.  And when I explain who Mozilla is and people ask “Oh, so you work on Firefox?!”, I can finally...

Writing Good Support Requests


My take on trying to be helpful to a support staff. One bit is just as relevant for learning development: Writing out a ticket will help you figure out the problem. Sometimes when you have to take a second to collect your thoughts and explain something, the problem will become clear and maybe even...

Building a RSS Viewer With Vue: Part 1


As I explore, learn, and most importantly, play with Vue.js, I've been building different types of apps as a way to get practice with and improve my use of it. A few weeks ago, I was reading about the shut down of Digg's RSS Reader and while great alternatives exist, I thought it would be fun...

Learning Gutenberg: What is Gutenberg, Anyway?


Gutenberg is the new React-driven SPA editing experience in WordPress. Oh wait, a string of buzzwords doesn't count for a viable explanation of software? We’re going to unpack that string of buzzwords as we explain what Gutenberg is. Article Series: Series Introduction What...

Responsive Knockout Text With Looping Video


Here’s an idea! Let’s make an an HTML <video> play inside the shape of some letters. Like "Knockout Text" except instead of an image behind, it’s video. A live demo will explain more clearly: See the Pen basic pen by Giulio Mainardi (@mgiulio) on CodePen. A key objective here is to develop...

What are Higher-Order Components in React?


If you have been in the React ecosystem for a while, there is a possibility that you have heard about Higher Order Components. Let’s look at a simple implementation while also trying to explain the core idea. From here you should get a good idea of how they work and even put them to use. Why...

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