Write Software, Well (Page 16)

Up and Running with Minitest

I love minitest. Minitest is simple. There’re a few ways to write tests, and they are so intuitive. I learned it last year, when

1 min read

Ruby Shortcut to Call a Method with Each Array Item as Parameter

As a Ruby programmer, you probably know the &: shortcut to call a method on each item in an array. For example, this snippet will

Ruby Gems 2 min read

How to Manage Environment Variables in Rails

Now you might think it’s so easy to access them using the ENV hash. Why do we need a different way? Well, a very

1 min read

Useful Linux Commands

Learning the Linux command line, like becoming an accomplished pianist, is not something that we pick up in an afternoon. It takes years of practice.

3 min read

Running a Single Test with Spaces in Minitest

In Rails, if you want to run a specific test without the others in the file, you can pass the method’s name to the

1 min read

How to Convert a Ruby Object to Hash

Let’s say you have a Product object with properties @name = "Table" & @price = 10. What’s the best way in Rails to

1 min read

Useful Ruby Gems

Although Rails provides great defaults out-of-the-box, you can easily extend it with Ruby gems. Here are some gems that I find myself using every time

2 min read

How to Access Route Helpers from Rails Console and Models

This post shows a simple way to check the output of URL and path helpers directly from the Rails console. We will also see how to access these helpers in your models.

2 min read