roryokane

# encoding: utf-8

3 * 2 * 2 * 2 * 2 #=> 48
3 * (2 ** 4) #=> 48
3.send_repeatedly(4, :*, 2) #=> 48
3.apply_repeatedly(4) { |obj| obj * 2 } #=> 48

BasicObject.singleton_class.superclass # => Class
BasicObject.singleton_class.superclass.superclass.superclass.superclass #=> BasicObject
BasicObject.singleton_class.send_repeatedly(4, :superclass) #=> BasicObject

roryokane

# encoding: utf-8

class HashWithSymbolAccessOfStrings < Hash
	def [](key)
		begin
			self.fetch key
		rescue KeyError
			string_key = key.to_s
			if string_key != key
				self[string_version]

roryokane

# encoding: utf-8

# examples:
nested_hashes = {:a=>{:b=>{:c=>{:more=>"answer"}}}, :num=>42}
path = [:a, :b, :c, :more]
nested_hashes.fetch_recursively(path) #=> "answer"
nested_hashes.fetch_recursively([:num]) #=> 42
# wrong:
nested_hashes.fetch_recursively(:a) # raises NoMethodError; should pass an Array
nested_hashes.fetch_recursively([:num, :something]) # raises NoMethodError; can’t fetch from 42

roryokane

# encoding: utf-8

require 'rubygems' unless defined? Gem

# enables variable-name tab-completion
# I don’t care about the other features in here; I think irbtools already
#  provides them, but there’s little harm in leaving them in
# from http://www.genlinux.org/2008/12/autocomplete-in-irb.html
IRB.conf[:AUTO_INDENT] = true
IRB.conf[:USE_READLINE] = true

roryokane

# encoding: utf-8

class Hash
	def with_new_default(*hash_new_args, &hash_new_block)
		empty_defaulting_hash = Hash.new(*hash_new_args, &hash_new_block)
		
		# using #merge; #replace would also replace the default value
		return empty_defaulting_hash.merge(self)
	end
	

roryokane

#!/usr/bin/env bundle exec ruby

puts "hello"

roryokane

sudo apt-get install -y openssl libreadline6 libreadline6-dev curl git-core zlib1g zlib1g-dev libssl-dev libyaml-dev libsqlite3-dev sqlite3 libxml2-dev libxslt-dev autoconf libc6-dev ncurses-dev automake libtool bison subversion g++ openjdk-6-jre-headless

roryokane

require './main-tester'
puts "done in caller"

roryokane

#encoding: utf-8

# http://news.ycombinator.com/item?id=4086325
# … try to generate a table of how likely it was to get various dice rolls when you rolled 4 6-sided dice and took the top 3.

require 'pp'


def dice_roll(sides)
	rand(sides) + 1

roryokane

import scala.collection.mutable.ArrayBuffer

object Runner {
	def main(args: Array[String]) {
		// printFizzBuzz(20)
		
		val max = 20
		val factorsAndWords = Map(3 -> "Fizz", 5 -> "Buzz")
		printGenericFizzBuzz(max, factorsAndWords)
	}