mikecmpbll

Warming up --------------------------------------
               maths    50.286k i/100ms
           slice map    34.402k i/100ms
           multi map    13.137k i/100ms
            original    24.600k i/100ms
                gsub    14.685k i/100ms
           all maths    55.759k i/100ms
            readable    14.009k i/100ms
Calculating -------------------------------------
               maths    663.215k (± 2.9%) i/s -      3.319M in   5.008728s

mikecmpbll

module WithLock
  def with_lock
    lock.owned? ? yield : lock.synchronize{ yield }
  end
end

class Mutex
  prepend WithLock
end

mikecmpbll

W = 10
v = [17, 1, 5, 15, 9, 2, 10, 8, 5, 16, 3, 17, 3, 3, 18, 12, 18, 20, 18, 8]
w = [5,  1, 4,  3, 4, 2, 1,  3, 2, 5,  3, 4,  1, 5,  2,  4,  5,  2,  3, 5]
n = v.size
m = Array.new(n + 1){ Array.new(W, 0) }

n.times do |i|
  W.times do |j|
    m[i + 1][j] =
      if j + 1 < w[i]

mikecmpbll

rsyslog:
  pkg.installed
  service.running:
    - watch:
      - file: /etc/rsyslog.conf

mikecmpbll

newrelic:
  pkg.installed:
    - name: newrelic-sysmond
  service.running:
    - name: newrelic-sysmond
    - enable: True

mikecmpbll

def recursive_merge!(enum, enum2)
  enum2.map do |k, v2|
    v = enum[k]
    enum[k] =
      if v.is_a?(Hash) && v2.is_a?(Hash)
        recursive_merge(v, v2)
      elsif v.is_a?(Array) && v2.is_a?(Array)
        v | v2
      else
        v2

mikecmpbll

import os
import time
from borg.chunker import Chunker

CHUNK_MIN_EXP = 19  # 2**19 == 512kiB
CHUNK_MAX_EXP = 23  # 2**23 == 8MiB
HASH_WINDOW_SIZE = 0xfff  # 4095B
HASH_MASK_BITS = 21  # results in ~2MiB chunks statistically

CHUNKER_PARAMS = (CHUNK_MIN_EXP, CHUNK_MAX_EXP, HASH_MASK_BITS, HASH_WINDOW_SIZE)

mikecmpbll

require 'stringio'

module Meriback
  class Buzhash
    # should be seeding this
    BYTE_HASH = [
      0x589c63e9, 0x118d2c7c, 0x1faecf92, 0x53c9f4d8, 0x6c8cb496, 0x35e0af5a, 0x3a786480, 0x035d8045,
      0x5e6bd8f7, 0x6932ba3b, 0x59221501, 0x59f92f7e, 0x60ed62ad, 0x044a900e, 0x4357a8a6, 0x0bd7d8ef,
      0x7dc25b20, 0x212d52be, 0x033f160f, 0x0cde12b8, 0x400fa76c, 0x26ebec72, 0x59413573, 0x534bdcbb,
      0x2b165e74, 0x25ff262d, 0x61aee04d, 0x07f43f1a, 0x306e498f, 0x5a42f52a, 0x63f5a489, 0x6a713fcf,

mikecmpbll

class Whatever
  attr_accessor :error

  def grava_lead(attrs)
    if some_condition
      @error = "Some error"
      return false
    end
    # ...
  end

mikecmpbll

begin
  require 'bundler/inline'
rescue LoadError => e
  $stderr.puts 'Bundler version 1.10 or later is required. Please update your Bundler'
  raise e
end

gemfile(true) do
  source 'https://rubygems.org'
  gem 'rails', github: 'rails/rails'