Generally, you will add a git remote for your Heroku app during the Heroku app creation process, i.e. heroku create. However, if you are working on an existing app and want to add git remotes to enable manual deploys, the following commands may be useful. Note: This article began as…

Consider the following coding challenge: Return the sum of all multiples of 3 or 5 that are below a number N, where N is an input parameter to the function When writing software, there is no single correct answer. The author of the article below explores six different solutions to…

How can learning about the String#delete method in Ruby help us understand Boolean Algebra? It starts with a misuse of gsub I cannot tell you how many times have I written code like 'abc-de'.gsub('-','') when I could have just written 'abc-de'.delete('-') Fortunately, Stack Overflow was there to educate me. Not only is delete more semantic and concise…

Note: This article sat in my drafts folder for a long time. I recently had to look up how to determine the weekday-ness of a date, so I decided to finally give this a publish. 1. To use Date objects in Ruby, you must require the ‘date’ library. # ruby-2.5.0 >…

I love Factory Bot. It allows for simple, repeatable creation of objects for testing, as well as semantic naming. You can have an invitation factory, a pending_invitation factory, and an accepted_invitation factory, and immediately you have some context about the object you’re working with. Faker really takes FactoryBot to the…

One of the things I love about Ruby is nil. It can represent nothing and, since every expression in Ruby has a return value, nil is also a useful proxy for certain behavior. For example, nil can represent that a variable was never assigned a value, or that a method…

I had been working on a new React project, and setting up our ESLint linter, when I came across an irksome linter error: error ‘enzyme’ should be listed in the project’s dependencies, not devDependencies — import/no-extraneous-dependencies I am importing shallow and mount from enzyme, but they are certainly not runtime…

A programmer’s text editor is a very personal choice. I will always look back fondly on the time Sublime Text and I spent together, but eventually we grew apart. Now there’s a new text editor in my life, and I couldn’t be happier. Before Sublime, I didn’t know what I was missing Writing Ruby in Sublime Text 2 was…

I’ve been programming in Ruby for almost two years now, and sometimes I forget how hard it was for me to wrap my head around the Ruby approach to solving problems. Finally, Tyler Mcginnis has given me the vocabulary to describe the paradigm shift I experienced — Imperative vs Declarative…