tiegz

My solutions to http://adventofcode.com/2016/

tiegz

Keybase proof

I hereby claim:

• I am tiegz on github.
• I am tiegz (https://keybase.io/tiegz) on keybase.
• I have a public key whose fingerprint is 0D92 1FF5 1FB8 69AB 5B84 469D BDFF 2F6F 0895 870F

To claim this, I am signing this object:

tiegz

require 'json'
require 'pp'

class UniqloProductFetcher
  attr_accessor :json

  # eg 135779 is pocketable shorts
  def initialize(product_id: "135779") 
    @product_id = product_id
  end

tiegz

# http://sztyled.en.made-in-china.com/product/SqUmJxylhbhK/China-24-Key-Infrared-RGB-Manual-Flash-Controller-APA-1616-.html
# or 
# http://www.dhgate.com/store/product/advanced-micro-control-unit-24-keys-rgb-led/128629434.html
IR Receiver Notes

F700FF BRIGHT HI
F7807F BRIGHT LO
F7408F OFF
F7C03F ON
F720DF R1

tiegz

require 'benchmark'

GC.disable

x = {:a => 1}

ms1 = 1000 * Benchmark.realtime { 1_000_000.times { x.dup } }
ms2 = 1000 * Benchmark.realtime { 1_000_000.times { x.clone } }

puts [

tiegz

# config/initializers/profile_assets_middleware.rb
Kickstarter::Application.config.middleware.insert_before "Ksr::AuthenticatedRaindrops",
  "ProfileAssetsMiddleware"

tiegz

get_size = ->(memo,val) {
  memo + case val 
  when String
    val.bytes.size
  when Hash 
    val.map { |k,v| get_size[0, k] + get_size[0, v] }.sum
  when Array
    val.map { |v| get_size[0, v] }.sum
  when nil, true, false, Fixnum, Symbol
    0

tiegz

# There could likely be some false positives from this
Rails.application.routes.routes.select do |r|
  name = r.defaults[:controller].to_s.classify + "Controller"
  klass = name.constantize rescue nil

  if klass.nil?
    name = r.defaults[:controller].to_s.classify.pluralize + "Controller"
    klass = name.constantize rescue nil
  end

tiegz

> ((((Nokogiri::HTML(open("http://en.wikipedia.org/wiki/The_Expendables_(film_series)#Cast_and_characters").read) / "#Cast_and_characters").first.parent.next_element) / "tr")[1..-1].map { |tr| (tr / "td").map { |td| td['colspan'].to_i > 0 ? ([td.text] * td['colspan'].to_i) : td.text  } }).map(&:flatten).tap { |a| (0..2).map { |i| a.map { |row| row[i].blank? ? 0 : 1  }.sum }.tap { |a| puts "1->2: #{(a[1] - a[0]) / a[0].to_f}%"; pus "2->3: #{(a[2] - a[1]) / a[1].to_f}%" } } nil

1->2: 0.0
2->3: 0.26666666666666666

tiegz

module ObjectSpace
  def self.profile(&blk)
    require 'objspace'

    enable_gc = GC.disable
    ObjectSpace.trace_object_allocations(&blk)
    objs = Hash.new(0)
    ObjectSpace.each_object { |o|
      if (file = ObjectSpace.allocation_sourcefile(o)) && (line = ObjectSpace.allocation_sourceline(o))
        objs["#{file}:#{line}:#{o.class.name}"] += 1