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def count_between arr, lower, upper
  return 0 if arr.length == 0 || lower > upper
  return arr.length if lower == upper
  range = (lower..upper).to_a
  arr.select { |value| range.include?(value) }.length
end

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def times_table number
  multiplier = 1
  while multiplier <= number
    range = (1..number).to_a
    row = range.map do |x|
      x * multiplier
    end
    puts row.join(' ')
    multiplier += 1
  end

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while true
  line_num ||= 1
  ("%03d" % line_num + ' > ').display
  code = gets
  puts eval(code)
  line_num += 1
end

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Object.prototype.send = function(methodName) {
  args = [].slice.call(arguments);
  args.shift()

  if (this.hasOwnProperty(methodName)) return this[methodName];

  if (args.length > 1) {
    return this[methodName].apply(this, args);
  } else {
    return this[methodName]();  

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def largest_prime_factor num
  factor = 2
  product = 1
  while product != num
    factor += 1
    if num % factor == 0
      product *= factor
    end
  end
  return factor

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Rails.cache.fetch :group_id => group.id, :goal_id => self.id do
  Post.find_by_sql(
    "#{Post.where(:attachment_type => 'UserGoalLog').where(Post.arel_table[:attachment_id].in(user_goal_logs.collect(&:id))).to_sql} 
    UNION 
    #{Post.where(:attachment_type => 'UserGoal').where(Post.arel_table[:attachment_id].in(user_goals.collect(&:id))).to_sql}"
  ) 
end

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// Add #main to the second div.container
@media (min-width: 720px) {
  #main {
    margin-top: 50px;
  }
}

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module Surprisable
  extend ActiveSupport::Concern

  included do
    attr_accessor :this_aint_gonna_work
  end
end

module Wtfable
  extend ActiveSupport::Concern

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require 'benchmark'
require 'delegate'
require 'forwardable'

class Person
  def initialize(name)
    @name = name
  end

  def name

rbishop

Carl Hewitt on Actors

Actor - Fundamental unit of computation, a computation model - not just a form of concurrency

An Actor has three essential elements:

• 1 - Processing - you have to get something done
• 2 - Storage - you have to be able to remember things
• 3 - Communication