cheeyeo

#!/usr/bin/env ruby

cmd = %q[echo '3...'; sleep 1;
         echo '2...'; sleep 1;
         echo '1...'; sleep 1;
         echo 'Liftoff!']

puts '------ beginning command ------'
output_log = []
IO.popen(cmd).each do |line|

cheeyeo

# blog post: http://blog.slashpoundbang.com/post/1455548868/memcachemodel-make-any-ruby-object-that-persists-in

# No transactions or exceptions (yet).
module MemcacheModel
  def self.included(base)
    base.class_eval do
      extend ActiveModel::Naming
      extend ActiveModel::Translation
      extend ActiveModel::Callbacks
      extend MemcacheModel::ClassMethods

cheeyeo

unless File.exist?('Gemfile')
  File.write('Gemfile', <<-GEMFILE)
    source 'https://rubygems.org'
    gem 'rails', path: '~/code/rails'
    gem 'arel', github: 'rails/arel'
    gem 'rack', github: 'rack/rack'
    gem 'i18n', github: 'svenfuchs/i18n'
  GEMFILE

  system 'bundle'

cheeyeo

#!/bin/sh

usage ()
{
  cat <<EOF
docker-enter -- Enter a running container via boot2docker and nsenter 

Usage: docker-enter <container_name_or_ID> [command]

See https://github.com/jpetazzo/nsenter for details.

cheeyeo

class User
  def similarity_with(user)
    # Array#& is the set intersection operator.
    agreements = (self.likes & user.likes).size
    agreements += (self.dislikes & user.dislikes).size

    disagreements = (self.likes & user.dislikes).size
    disagreements += (self.dislikes & user.likes).size

    # Array#| is the set union operator

cheeyeo

require 'rubygems'
require 'gsl'

users = { 1 => "Ben", 2 => "Tom", 3 => "John", 4 => "Fred" }
m = GSL::Matrix[
           #Ben, Tom, John, Fred
            [5,5,0,5], # season 1
            [5,0,3,4], # season 2
            [3,4,0,3], # season 3
            [0,0,5,3], # season 4

cheeyeo

z = fn
  f -> fn
    x -> f.(fn y -> x.(x).(y) end)
  end.(fn
    x -> f.(fn y -> x.(x).(y) end)
  end)
end

add_squares = z.(fn
  f -> fn

cheeyeo

LDFLAGS: -L/usr/local/opt/freetype/lib CPPFLAGS: -I/usr/local/opt/freetype/include

LDFLAGS="-L/usr/local/opt/freetype/lib -L/usr/local/opt/libpng/lib" CPPFLAGS="-I/usr/local/opt/freetype/include -I/usr/local/opt/libpng/include -I/usr/local/opt/freetype/include/freetype2" sudo pip install matplotlib

cheeyeo

# Expressions
iex> 40 + 2
iex> "hello" <> " world"

#Basic types
iex> 1          # integer
iex> 0x1F       # integer
iex> 1.0        # float
iex> :atom      # atom / symbol
iex> "elixir"   # string

cheeyeo

# You can wire up a cowboy specific websocket handler with the following:

defmodule MyRouter do
  use Phoenix.Router

  dispatch_option "/ws", MyCowboyWebsocketHandler
end

defmodule MyCowboyWebsocketHandler do
  @behaviour :cowboy_websocket_handler