brweber2

  def magic(nbr) do
    a = ~x(a1b2c3d4)
    b = ~x(d4c3b2a1)
    c = ~x(a1b23c4d)
    d = ~x(4d3cb2a1)
    case nbr do
      ^a -> %Pcap.Global.MagicNumber{ magic_number: nbr, swap_fields: false, nanoseconds: false }
      ^b -> %Pcap.Global.MagicNumber{ magic_number: nbr, swap_fields: true, nanoseconds: false }
      ^c -> %Pcap.Global.MagicNumber{ magic_number: nbr, swap_fields: false, nanoseconds: true }
      ^d -> %Pcap.Global.MagicNumber{ magic_number: nbr, swap_fields: true, nanoseconds: true }

brweber2

    # this is using sweet_xml
    xml_string = File.read!("some_file.xml")
    try do
      Logger.info(self()) # it does not work without this ... wat?
      {:ok, xml} = Parser.parse(xml_string)
      process_xml(conn, xml_string, xml)
    rescue
      e ->
        Logger.info("ignoring unparseable XML file: #{inspect xml_string}")
        render(conn, "empty.json")

brweber2

defmodule WhatHappensIn_1_3 do

  def some_func() do
    receive do
      {from, message} -> 
        send from, "hello #{inspect message}"
        some_func()
      _ ->
        IO.puts "quittin' time"
    end

brweber2

# Create a variable has_seen_star_wars and set it to true.
has_seen_star_wars = true

# Write code that prints "Ready for class" if you have seen at least one Star Wars movie (has_seen_star_wars).
if has_seen_star_wars do
  IO.puts "Ready for class"
end

# Flip has_seen_star_wars to false.
has_seen_star_wars = false

brweber2

characters = [
  %{name: "Han",        type: :human,   rebel: true,    weight: 185},
  %{name: "Jabba",      type: :hutt,    rebel: false,   weight: 2200},
  %{name: "Chewie",     type: :wookie,  rebel: true,    weight: 350},
  %{name: "r2d2",       type: :droid,   rebel: true,    weight: 250},
  %{name: "Luke",       type: :human,   rebel: true,    weight: 140},
  %{name: "Boba Fett",  type: :human,   rebel: false,   weight: 175},
]

# Note that there is more than one correct answer for all of these!

brweber2

# Use this code and data to answer the questions.

defmodule Millenium.Falcon do
  def rebel?(c = %{rebel: true}) do
    c.type != :droid
  end

  def rebel?(_), do: false

  def fill_ship(characters) do

brweber2

Question 1

• Add module documentation to redpull and generate the html files

Question 2

• Add function documentation to redpull and generate the updated html files

@doc """

brweber2

Generate a new mix project.

mix new myproj

Create a release for the project.

cd myproj

Add the exrm dependency

brweber2

def ex2(characters, type), do: ex2h(characters, type, [])

  def ex2h([head = %{type: type} | tail], type, result) do
    ex2h(tail, type, [head | result])
  end
  def ex2h([head | tail], type, result), do: ex2h(tail, type, result)
  def ex2h([], _type, result), do: Enum.reverse(result)

brweber2

defmodule JavaClassVersion do

  def read_class_file(file) do
    file
    |> File.read!()
    |> java_major_minor()
    |> java_version()
    |> IO.inspect()
  end