atom shortcuts clinic

atom-workshop.rb

# Basic Core Atom Features

# Plugins to install:
# Monokai Theme
# Fancy New File
# Icons
# Gist it
# Emmet (quickly write html)


# Commands:
# cmd + , ==> will open Atom settings
# cmd + (number)  ==>  move to different tabs
# cmd + direction ==>  move cursor quickly
# cmd + control + direction ==> move an entire line somewhere else
# cmd + l ==> highlight an entire line (keep clicking for more lines)
# cmd + / ==> comment things out quickly
# cmd + \ ==> toggle tree view
# alt/option + h ==> delete to beg of word
# alt + f ==> move to end of word

require 'pry'
require 'benchmark'
array = []

1_000_000.times do
  array << rand(1000)
end

def merge_sort(array)
  return array if array.length <= 1

  half = array.size / 2
  left_array = array.take(half)
  right_array = array.drop(half)

  sorted_left = merge_sort(left_array)
  sorted_right = merge_sort(right_array)

  return merge_a(sorted_left, sorted_right)
end


def merge_a(left_array, right_array)
  result = []
  until left_array.empty? || right_array.empty?
    if left_array.first <= right_array.first
      result << left_array.shift
    else
      result << right_array.shift
    end
  end
  return result.concat(left_array).concat(right_array)
end
puts Benchmark.measure {puts merge_sort(array)}