Ruby Standard Library
The Ruby Standard Library is a vast collection of classes and modules that you can require in your code for additional features.
Ruby's Arrays are remarkably flexible and useful data structures, but they aren't always the right choice. Learn how using a data abstraction that enforces uniqueness can prevent bugs, while making …
Now that you've learned how to obfuscate your code with Perl-style special variables, learn how to make it readable again!
Calculating dates in the past or future, without the assistance of ActiveSupport.
Today we learn about how the StringIO class can help us test methods that work with files.
After many passing mentions, StringIO finally gets its own episode!
Today we learn a valuable shortcut for calling C libraries from within Ruby.
In this episode, we'll learn how to call out to C libraries directly from Ruby code.
The Ruby standard library omits a method for wrapping text at word boundaries. Today we'll look at a few different ways to fill this gap.
Today we'll learn how to answer our optimization questions with hard data.