Safely Call Superclass Methods from Ruby Modules
In today’s RubyTapas throwback, we tackle a metaprogramming topic. How do you reliably call superclass methods from included modules… when you can’t know for sure if those methods exist, or…
RubyTapas 027: Macros and Modules
In this episode themed after a certain sci-fi television series with the initials “BSG”, we take a look at how to use dynamically generated modules to make metaprogrammed methods open for…
Preventing Recursion in Ruby
A new post on the CodeBenders blog about how to prevent a method from accidentally falling into an infinite recursion.
Defining #method_missing and #respond_to? at the same time
I was reading Eloquent Ruby yesterday morning (buy a copy if you haven’t already), and it got me thinking about one of my “favorite” Ruby gotchas: defining #method_missing without a…
Checking the existence of a super method in Ruby
Ruby gives methods the ability to call up to the superclass definition of themselves. Or it may not be a parent class definition; it might call up to a definition…
Determining Singleton Class Status in Ruby
Q: How do you tell if a given class is an ordinary class or a singleton class? A: Test whether the class is the first element in its own ancestor…