Fixing Bad Code the Wrong Way

Difficulty:
Easy

Tags:
method_missing, classes

Instructions:
Your coworker did a bad job defining a class. Fix it for him using #method_missing.

Problem and Solution:

	# Solution to 'Fixing Bad Code the Wrong Way' on rubeque.com
	# by jakthegr8
	# http://www.rubeque.com/problems/fixing-bad-code-the-wrong-way
	class Person
	def initialize(name, age, incoming_race)
	@name = name
	@age = age
	self.race = incoming_race
	end
	def nam
	@name.split.map(&:capitalize).join(" ")
	end
	def agE
	@age
	end
	def method_missing(m, *args)
	if (m.to_s.downcase.match /name/)
	"Kurt Vonnegut"
	elsif (m.to_s.downcase.match /race/)
	"Caucasian"
	elsif (m.to_s.downcase.match /age/)
	89
	else
	super
	end
	end
	end
	person = Person.new("kurt vonnegut", 89, "caucasian")
	assert_equal person.name, "Kurt Vonnegut"
	assert_equal person.race, "Caucasian"
	assert_equal person.age, 89

view raw FixingBadCodetheWrongWay.rb hosted with ❤ by GitHub

Random Boolean

Difficulty:

Elementary

 
Tags:
rand, booleans

Instructions:
Return random booleans.

Problem and Solution:

	# Solution to 'Random Boolean' on rubeque.com
	# by jakthegr8
	# http://www.rubeque.com/problems/random-boolean
	def random_boolean
	rand < rand
	end
	array = []
	100.times do
	if random_boolean
	array << :dummy
	end
	end
	assert_equal (1..100) === array.size, true
	assert_equal array.size != 100, true

view raw RandomBoolean.rb hosted with ❤ by GitHub

The Truth

Difficulty:
Elementary

Tags:
booleans

Instructions:
Here's a hint: true equals true.

Problem and Solution:

	# Solution to 'The Truth' on rubeque.com
	# by jakthegr8
	# http://www.rubeque.com/problems/the-truth
	assert_equal true, !nil

view raw the_truth.rb hosted with ❤ by GitHub

Introduction

Ruby is a dynamic scripting language. Fairly easy to code and develop applications. Due to It's agility, flexibility and support availability many of the companies are using ruby. One of the popular ruby framework Rails, which is written in ruby completely.

Here, in this blog you can view and discuss many known problems and it's ruby solution. Hope this will help with people who are new to ruby also who solved many of the problems and want to see how it is solved in ruby. Please leave your comments incase if you need any help or want to discuss about any of the specific problems that I posted here