manewitz

defmodule Cube.RegEx do
  @regex_game_number ~r/Game (\d+)/
  @regex_color_thresholds ~r/(1[3-9]|[2-9][0-9]) red|(1[4-9]|[2-9][0-9]) green|(1[5-9]|[2-9][0-9]) blue/

  @spec count(binary()) :: any()
  def count(filename) do
    File.read!(Path.expand(filename))
    |> String.split("\n", trim: true)
    |> Enum.reject(&match_color_thresholds?/1)
    |> Enum.reduce(0, &sum_game_numbers/2)

manewitz

defmodule AdventOfCode23.Dec01.V2 do
  @number_map %{
    "zero" => 0,
    "one" => 1,
    "two" => 2,
    "three" => 3,
    "four" => 4,
    "five" => 5,
    "six" => 6,
    "seven" => 7,

manewitz

{:ok, spi_ref} = Circuits.SPI.open("spidev0.0", speed_hz: 9_000_000)

off = <<0x72>> <> (<<0::8, 0::8, 0::8>> |> :binary.copy(16 * 16))
red = <<0x72>> <> (<<255::8, 0::8, 0::8>> |> :binary.copy(16 * 16))
green = <<0x72>> <> (<<0::8, 255::8, 0::8>> |> :binary.copy(16 * 16))
blue = <<0x72>> <> (<<0::8, 0::8, 255::8>> |> :binary.copy(16 * 16))
white = <<0x72>> <> (<<255::8, 255::8, 255::8>> |> :binary.copy(16 * 16))

Circuits.SPI.transfer(spi_ref, red)

manewitz

defmodule SieveOfEratosthenes do
  @doc """
  https://www.baeldung.com/cs/prime-number-algorithms

  Naive implementation of the Sieve Of Eratosthenes for finding primes below `number`
  """
  @spec primes(number) :: list
  def primes(1), do: []

manewitz

24 Diner
Arlo
Austin Ale House
Austin Java
Bacon
Bar Chi
Barley Swine
Biscuits and Groovy
Black Sheep Lodge
Black Star Co-op

manewitz

Ruby/Rails Tutorial Resources

Deep breath...

Ruby

• Try Ruby - In-browser Ruby tutorial

• Learn to Program by Chris Pine - The best first guide to programming I've seen. Good intro to Ruby mechanics

manewitz

# Aggregated music 'Likes' from my Facebook Friends list

require 'koala'

# Visit https://developers.facebook.com/tools/explorer 
# and click "Get Access Token", assigning appropriate permissions


@graph = Koala::Facebook::API.new(FACEBOOK_GRAPH_ACCESS_TOKEN)

manewitz

#! /usr/bin/env ruby

require "rubygems"
require "formatador"

styles = [
:bold,
:underline,
:blink_slow,
:blink_fast,

manewitz

class WrongNumberOfPlayersError < StandardError ; end
class NoSuchStrategyError < StandardError ; end

VALID_MOVES = %w{R P S}

def rps_game_winner(game)
  raise WrongNumberOfPlayersError unless game.count == 2

  game.each do |move|
    unless VALID_MOVES.include?(move[1])

manewitz

# The Limit - "She's So Divine" (from CP-721 12" single) (1982)
# Kashif - "I Just Gotta Have You (Lover Turn Me On)" (from CP-728 12" single) (1982)
# Kenton Nix featuring Bobby Youngblood - "There's Never Been (No One Like You)" (from WES 22130 12" single) (1980)
# Mr. Magic - "Magic's Message (There Has to Be a Better Way)" (from POS-1213 12" single) (1984)
# Tia Monae - "Don't Keep Me Waiting" (from CART-320 12" single) (1983)
# Cloud One - "Flying High" (from HS-1010 12" single) (1982)
# Ednah Holt - "Serious, Sirius Space Party" (from WES 22138 12" single) (1981)
# Conversion - "Let's Do It" (from S-12336 12" single) (1980)
# The Monkees - "Mary Mary"* (from More of the Monkees) (1967) Colgems Records
# Wilbur "Bad" Bascomb - "Black Grass"* (from PAS-6048 7" single) (1972) Paramount Records