mchung

require 'benchmark/ips'

class SelfRuby
  attr_accessor :foo
  def initialize
    self.foo = 1
  end
end

# SLOWEST!

mchung

require 'benchmark/ips'

class A
  def test
    10.times do
      yield
    end
  end
end

mchung

require 'hashie'
require 'ostruct'
require 'benchmark/ips'

class PORO
  attr_reader :foo, :bar, :baz

  def initialize attrs = {}
    attrs.each do |attr, value|
      instance_variable_set "@#{attr}", value

mchung

(byebug) hello = instance_double("Planet")
#<InstanceDouble(Planet) (anonymous)>

# Using RSpec block syntax to specific a return value.

(byebug) allow(hello).to receive(:world) { "hello, world" } 
#<RSpec::Mocks::VerifyingMessageExpectation #<InstanceDouble(Planet) (anonymous)>.world(any arguments)>

mchung

// Example lifted from https://github.com/google/protobuf/blob/master/src/google/protobuf/timestamp.proto
//
// Example 6: Compute Timestamp from current time in Ruby
//
//    [1] pry(main)> now = Time.now
//    => 2016-05-20 00:33:04 -0700
//    [2] pry(main)> seconds = now.to_i
//    => 1463729584
//    [3] pry(main)> nanos = now.nsec
//    => 204053000

mchung

# Example of using callbacks with Python
#
# To run this code
#   1. Copy the content into a file called `callback.py`
#   2. Open Terminal and type: `python /path/to/callback.py`
#   3. Enter

def add(numbers, callback):
    results = []
    for i in numbers:

mchung

require "io/console"
require "socket"
require "net/http"
require "uri"
require 'cgi'

SSDP_ADDR = "239.255.255.250";
SSDP_PORT = 1900;
SSDP_ST = "roku:ecp";

mchung

# Setup the Service::Api
Service::Api.set(:environment, :production)
Service::Api.set(:root, Service.root)
Service::Api.set(:service, Service::Provider.new)

mchung

build_package_patched() {
  # These three patches are included when RVM builds REE
  cd source
  wget 'https://github.com/wayneeseguin/rvm/raw/master/patches/ree/1.8.7/tcmalloc.patch'
  wget 'https://github.com/wayneeseguin/rvm/raw/master/patches/ree/1.8.7/stdout-rouge-fix.patch'
  wget 'https://github.com/wayneeseguin/rvm/raw/master/patches/ree/1.8.7/no_sslv2.diff'
  patch -p1 < tcmalloc.patch
  patch -p1 < stdout-rouge-fix.patch
  patch -p1 < no_sslv2.diff
  cd ..

mchung

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