nathan-cruz77

defmodule Run do
  def in_parallel(n) do
    1..n
    |> Enum.map(fn(i) ->
      Task.async(fn -> :timer.sleep(i * 1_000) end)
    end)
    |> Enum.map(&Task.await/1)
  end

  def serial(n) do

nathan-cruz77

# Sample usage:
#
#   iex(1)> Calculator.calculate('123 + 27')
#   150
#   iex(2)> Calculator.calculate('123 - 27')
#   96
#   iex(3)> Calculator.calculate('123 * 27')
#   3321
#   iex(4)> Calculator.calculate('123 / 27')
#   4.555555555555555

stevewithington

Find & Replace within an Entire Directory or Git Repo with sed

If replacing within a directory:

grep -rl 'apples' /dir_to_search_under | xargs sed -i 's/apples/oranges/g'

Or, within an entire git repository: