Ruby Metaprogramming Course 6th Batch: Learn to Think in Ruby

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After the huge success of the first five “Ruby Metaprogramming” batches, RubyLearning now announces the sixth batch from 4th Dec. 2010.

What’s Ruby Metaprogramming?

Paolo Perrotta has this to say:

As a Ruby programmer, you already know how much fun it is. Now see how to unleash its power, digging under the surface and exploring the language’s most advanced features: a collection of techniques and tricks known as metaprogramming. Once the domain of expert Rubyists, metaprogramming is now accessible to programmers of all levels – from beginner to expert.

Paolo goes on to say the following in a recent interview:

I realized that metaprogramming sits at the very heart of the language, and when you understand metaprogramming, that’s the moment you start “thinking in Ruby”.

Who’s It For?

Anyone who has some background in Core Ruby can make the most out of this course.


The course starts on 4th Dec. 2010 and runs for 2 weeks. You first need to register on the site and then enroll into the course.

Early Bird Registration Discounts

  • For the first 10 registrations, Course Fee: US$ 9.95 per participant.
  • For the next 30 registrations, Course Fee US$ 14.95 per participant.
  • After the first 40 registrations, Course Fee US$ 19.95 per participant.

The course fee goes towards maintaining RubyLearning and helps provide quality content to you.

What Will I Learn?

The brief outline of this course is:

First Week:

  • Review the object model of Ruby itself:
    • read-only variable self
    • singleton class
    • scope of variables
  • Learn a lot of methods:
    • eval
    • instance_eval
    • class_eval (aka: module_eval)
    • class_variable_set
    • class_variable_get
    • class_variables (Try it out: instance_variables)
    • instance_variable_set (Try it out: instance_variable_get)
    • define_method
    • const_set
    • const_get (Try it out: constants)
    • (Try it out:
    • binding (Try it out: lambda)
    • send (Try it out: method)
    • remove_method
    • undef_method
    • method_missing
    • include
    • extend
    • included
    • extended
  • Do the following five exercises and discuss them in the forum.
    • Exercise 1: Get the values from outside the class.
    • Exercise 2: Add your code to display ‘I like metaprogramming!’
    • Exercise 3: Show lots of ways to define singleton method.
    • Exercise 4: Glance inside Ruby with binding method.
    • Exercise 5: Define a class without class and def.

Second Week:

  • Practice with assignments on how to write a tiny app with Ruby Metaprogramming techniques. The assignments are being prepared.

For Newbies

We will give you short study notes. You can learn the following and discuss the same in the course forum.

  • Instance variables, Methods and Classes
  • Calling a method
  • Useful methods in Ruby Metaprogramming
  • Ruby Blocks and Bindings
  • Solved Problems (two examples)

For Intermediate Participants

We willl open the discussion forum with some advanced topics like “Compare Ruby Callable Objects” (Yugui’s blog posts) etc.

Who is conducting this course?

The course teacher is Satoshi Asakawa from Japan with 24×7 help from the mentors at RubyLearning. Satoshi is a Japanese Ruby enthusiast.

So hurry, registrations have started.

By the end of the course, and to reiterate what Paolo Perrotta said, you will understand metaprogramming and that’s the moment you will start “thinking in Ruby”.


7th Oct. 2010: So far, the registered participants are from:

Charting Software

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