The Ruby “core libraries” are the standard Ruby classes and modules that are always available without loading any extra code.
One peculiarity of Ruby that trips up a lot of programmers migrating from other languages is the fact that while it has true and false types, they don't share a …
A RubyTapas classic, now free: learn how to use Hash#fetch to catch missing hash keys before they do more damage!
Understand object copying in Ruby.
Learn Ruby's exec method by building a tool that starts project-specific Apache instances
Calculating dates in the past or future, without the assistance of ActiveSupport.
In this episode we learn how to asynchronously start child processes.