rubysolo

unless defined?(Rails)
  # minimum viable implementation of Rails
  class Rails
    class << self
      def root
        Pathname.new(File.expand_path('../..', __FILE__))
      end

      def env
        'test'.tap do |e|

rubysolo

Keybase proof

I hereby claim:

• I am rubysolo on github.
• I am rubysolo (https://keybase.io/rubysolo) on keybase.
• I have a public key whose fingerprint is DAC3 8223 1D35 4CF9 65F4 DB74 4392 7357 9969 D06E

To claim this, I am signing this object:

rubysolo

defrecord Card, suit: nil, rank: nil

defmodule Cards do
  def create do
    lc suit inlist [:H, :D, :C, :S],
       rank inlist [:A, 2, 3, 4, 5, 6, 7, 8, 9, 10, :J, :Q, :K] do
      Card.new suit: suit, rank: rank, points: score(rank)
    end
  end

rubysolo

falafel = require 'falafel'
fs      = require 'fs'

raw    = process.argv[2]
cooked = raw.replace(/\.js$/, '-trace.js')

counter = 0

src     = fs.readFileSync(raw, encoding: 'utf8')
tracied = falafel src, (node) ->

rubysolo

module Enumerable
  def remove(other)
    base = self.dup
    other.each { |i| base.delete_at(base.index(i) || base.length) }
    base
  end
end

irb(main):008:0> [1,1,2,3].remove([1,2])
=> [1, 3]

rubysolo

# inside config.before(:suite)
 
ActiveRecord::Base.subclasses.each do |model_class|
  columns = model_class.columns.map { |c| c.name.to_sym }
  missing = columns - model_class.instance_methods
 
  missing.each do |column|
    model_class.send(:define_method, column) { |*args| super(*args) }
  end
end

rubysolo

defmodule Ring do
  def run(member_count, loop_count, message) do
    log(:ringleader, "building ring with #{ member_count - 1 } more nodes...")
    next_pid = spawn_link(__MODULE__, :build_ring, [member_count - 2, self])

    log(:ringleader, "sending initial message to #{ inspect(next_pid) }...")
    next_pid <- {:message, message, loop_count}

    message_loop(next_pid)
  end

rubysolo

collection = [:a, :b, :c]

collection.each_with_index.each_with_object({}) do |(item, index), hash|
  hash[item] = index
end

# => {:a=>0, :b=>1, :c=>2}

rubysolo

# An experiment in higher-order (?) messages in Ruby.
class Message
  attr_reader :name
  attr_reader :arguments

  def initialize(name, *arguments)
    @name      = name
    @arguments = arguments
  end

rubysolo

SELECT d.day, s.description, SUM(1) AS count
  FROM (SELECT current_date - days.day AS day FROM generate_series(0,
         (SELECT CAST(EXTRACT(epoch FROM NOW() - DATE(MIN(start_date))) / 86400 AS integer) FROM pivotal_tracker_story_histories)
        ,1) AS days(day)) d INNER JOIN pivotal_tracker_story_histories h ON d.day BETWEEN h.start_date AND COALESCE(h.end_date, current_date)
       INNER JOIN pivotal_tracker_story_statuses s ON s.id = h.status_id
 GROUP BY d.day, s.description
 ORDER BY d.day, s.description