Google's Cloud Functions let developers run their code in production in a scalable way without worrying about the minutiae of server administration. In this article, Subomi shows walks us through building a real-world service using GCF.
OAuth2 is everywhere. From "Login With Facebook" buttons to back-end API authentication. But how does it work? In this article, Diogo Souza will give us a gentle introduction to the big concepts behind OAuth2, then walk us through implementing it in Node.js.
DynamoDB is a NoSQL database offered by AWS. It can be a great way to avoid adding load to your primary database when you need tens of thousands of reads/writes per second. In this article, Julie Kent walks us through the basics of using DynamoDB with Rails.
The #descendants method is part of Rails. It returns all subclasses that inherit from a given class. In this article, Jonathan Miles shows us how to use this method and how it's implemented. It's a great lesson in the ins and outs of Ruby's object model.