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# Rules: A lamda always has 1 parameter, nothing more, nothing less
# Useful Content: https://en.wikipedia.org/wiki/Church_encoding

# Identity lambda
IDENTITY = ->x { x }

# True, returns the first argument
TT = ->x { ->y { x } }

# False, returns the last argument

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# Ruby Class Variable Examples without @@
# http://www.sitepoint.com/class-variables-a-ruby-gotcha/

class Foo
  def self.talk
    puts 'Hey! I\'m talking'
  end
end

class Bar

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(defn split-words
  [phrase]
  (clojure.string/split phrase #"\s"))

(defn count-words
  [phrase word]
  (let [words (split-words (clojure.string/lower-case phrase))
        lower-case-word (clojure.string/lower-case word)]
    (loop [head (first words)
           tail (rest words)

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(def vowels [\a \e \i \o \u])

(defn convert-to-num [letter]
  (if (= (some #{letter} vowels) letter)
    1
    0)))

(defn count-vowels [phrase]
  (reduce + (map convert-to-num (clojure.string/lower-case phrase))))

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// How To Use
// var categories = CategoryModule.Category.all();
// var categoryComposite = new CategoryModule.CategoryComposite('CategoryComposite', categories.categorias, null);
//
// var categoryComposities = categoryComposite.findByName('Bar');
//
// var originalCategories = categoryComposities.map(function(item) {
//   return item.original;
// });

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class Sample
  attr_accessor :protected_attribute, :private_attribute
  protected :protected_attribute=
  private :private_attribute=

  def initialize
    self.protected_attribute = 'some protected value'
    self.private_attribute = 'some private value'
  end
end

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// Using callbacks to retrieve Weather Data
var RestClient = require('restler')

var getURL = function(city){
  return 'http://api.openweathermap.org/data/2.5/weather?q=' + city;
};

var dateOne = new Date();

RestClient.get(getURL('London')).on('complete', function(data1){

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/*
Chai - Add CustomMatchers

usage: 
var CustomMatchers = require('./support/friendly_news_path_matcher');
chai.use(CustomMatchers);

expect('/materia/FooBar').to.be.a.friendlyNewsPath();
*/

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def first_function(something, &block)
  puts "First - Do I have a Block? #{block_given?}"
end

def second_function(&block)
  puts "Second - Do I have a Block? #{block_given?}"
end

puts "USING: {}"
first_function second_function { 'YEAP' }

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// Source => http://www.adafruit.com/forums/viewtopic.php?f=25&t=34567
//code https://gist.github.com/1804108 20121125 @ 1339

//led for visualization (use 13 for built-in led)
int ledPin = 13;

//speaker connected to one of the pwm ports
int speakerPin = 9;

//tone frequencies http://home.mit.bme.hu/~bako/tonecalc/tonecalc.htm