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.ipynb_checkpoints/
Untitled*

countdown.ipynb

countdown.js

var i = 11;

while ( i-- ){ // exists because 0 is false in JS
    console.log(i)
}

var lowercase_letters = function (cFrom, cTo) {
 
  function cRange(cFrom, cTo) {
    var iStart = cFrom.charCodeAt(0);
 
    return Array.apply(
      null, Array(cTo.charCodeAt(0) - iStart + 1)
    ).map(function (_, i) {
 
      return String.fromCharCode(iStart + i);
 
    });
  }
 
  return cRange(cFrom, cTo);
 
};

var letters = lowercase_letters('a', 'z'),
    i = letters.length,
    letter;

letters.reverse();
while ( i-- ){
    letter = letters[i];
    console.log(letter);
}

// recursive countdown

var countdown = function countdown(x){
    if (x === 0){
        return;
    }
    x -= 1;
    console.log(x);
    return countdown(x);
}
countdown(10);

three_five_mod_sums.ipynb

three_five_mod_sums.rb

integers = [3, 5]
number_range = (0..10)

sum = integers.map {|n| number_range.step(n).to_a}
  .flatten
  .inject(:+)
puts sum

integers = [3, 5]
number_range = (0..10)

sum = integers.map {|n| number_range.step(n).to_a}
puts sum

integers = [3, 5]
number_range = (0..10)

sum = integers.map {|n| number_range.step(n).to_a}
  .flatten
puts sum

integers = [3, 5]
number_range = (0..10)

sum = integers.map {|n| number_range.step(n).to_a}
  .flatten
  .inject(:+)
puts sum

Untitled.txt