Learn Hard The Code Way: Adding and Concatenating

In 2014 I took a year off from writing code to focus on my family, and decided that 2015 would be the year I do the opposite. Of course, a lot has happened during my hiatus: Node got popular and then unpopular again, Ember.js was introduced, developers started using task runners and build tools to improve their workflow, and Uber started making it easier for people to get around the city.