mzemel

test "/index returns a list of contacts" do
  contacts_as_json =
    %Contact{name: "Gumbo", phone: "(801) 555-5555"}
      |> Repo.insert
      |> List.wrap
      |> Poison.encode!

  response = conn(:get, "/api/contacts") |> send_request

  assert response.status == 200

mzemel

defmodule Math do
  def times_three(n), do: n * 3
  def odd?(n), do: rem(n, 2) != 0
end


Enum.sum(
  Enum.filter(
    Enum.map(1..100_000, &(Math.times_three/1)), &(Math.odd?/1)))

mzemel

defmodule Recursive do
  def sum([head | []]), do: head
  def sum([head | [head2 | tail]]), do: sum([head + head2 | tail])
end

Recursive.sum([1,2,3]) # => 6

mzemel

# Functions can put assignment logic in the arguments

[head | tail] = [1, 2, 3]

head
# => 1

tail
# => [2, 3]

mzemel

defmodule D do

  def add(a, b, c), do: a + b + c  # Arity 3
  def add(b, b), do: 3 * b         # Pattern matching
  def add("i", b), do: "#{b}i"     # Pattern matching
  def add(a, _), do: a + a         # Strange default, but we'll go with it
  def add(_), do: IO.puts "Can't add one number, silly"

end

mzemel

# Basic function

defmodule A do
  def add(a, b) do
    a + b
  end
end

A.add(1, 2)
# => 3

mzemel

# imports and basic notebook setup
from cStringIO import StringIO
import numpy as np
import scipy.ndimage as nd
import PIL.Image
import sys
from IPython.display import clear_output, Image, display
from google.protobuf import text_format

import caffe

mzemel

# imports and basic notebook setup
from cStringIO import StringIO
import numpy as np
import scipy.ndimage as nd
import PIL.Image
from IPython.display import clear_output, Image, display
from google.protobuf import text_format

import caffe

mzemel

require 'open-uri'

puts "URL: " + (url_string = "http://www.xeno-canto.org/164#{rand(100..999)}/download")

begin
  File.open("sound.mp3", "wb") do |f|
    open(url_string) do |url|
      url.each_line {|u| f.write u}
    end
  end

mzemel

class NotObject
  def initialize(obj)
    @obj = obj
  end

  def method_missing(method, *arguments)
    [email protected](method, *arguments)
  end
end