nithinbekal

Ruby’s NotImplementedError exception is often used as a placeholder in abstract classes for methods that should be implemented by subclasses. But did you know that this is not how this exception class was intended to be used?

Here’s a little Ruby puzzle. Imagine you have a Value class that wraps a number, and implements numeric operations. How would you go about implementing the class in a way that lets you do something like 2 + Value.new(3) and returns Value.new(5)? Read on to find out.

We’re only a week away from a new release of Ruby. Here’s a look at what to expect from Ruby 3.3.

In Ruby, method names can be suffixed with !. These are often called “bang” methods. This is used to indicate that it is a dangerous counterpart of the non-bang version of the method.

I had always thought of “dangerous” to mean that the method mutates the underlying object and returns that object. However, these methods can differ from their non-bang versions in other subtle ways, which surprised me recently.

Does Ruby have something similar to Jupyter notebooks? Turns out that you can just use Jupyter notebooks with Ruby if you setup the iruby kernel. This kernel is available as a gem, and the setup is really simple.

Sorbet is a static type checker for Ruby. In this post, we will walk though how we can add sorbet to a new Rails app. Along the way, we will also see a few examples of how sorbet can help you identify and fix bugs in your code.