mirakui

module JpegMarkers
  MARKERS = Hash[*%W(
    SOF0  \xff\xc0
    SOF1  \xff\xc1
    SOF2  \xff\xc2
    SOF3  \xff\xc3
    DHT   \xff\xc4
    SOF5  \xff\xc5
    SOF6  \xff\xc6
    SOF7  \xff\xc7

mirakui

# 元の動画をトリミング
ffmpeg -i DSC_3872.avi -vcodec copy -acodec copy -ss '00:00:04.33' -t '00:00:05.48' trim01.avi
# 横幅500px（tumblrの上限）にリサイズしつつ animated gif に変換
convert -resize 500 trim01.avi trim01.gif
# 明るさ・コントラストをいじりつつ63色に減色（クロップ処理後に1MBに収まるように色数調整）
convert -brightness-contrast 40x40 -colors 63 trim01.gif trim01-v3.gif
# 横3x縦2にクロップする（画像同士の間隔は10px）
convert -crop 160x135+0+0     +repage trim01-v3.gif trim01-v3-1.gif
convert -crop 160x135+170+0   +repage trim01-v3.gif trim01-v3-2.gif
convert -crop 160x135+340+0   +repage trim01-v3.gif trim01-v3-3.gif

mirakui

#!/usr/bin/env ruby
require "optparse"

def usage
  STDERR.puts "usage: #{$0} /path/to/unicorn.pid [-t timeout_sec]"
end

timeout = 60

pidfile = ARGV.shift

mirakui

class FooController < ApplicationController
  caches_action :index

  def index
    render :text => Time.now
  end
end

mirakui

# coding: utf-8
class Hoge
  attr_accessor :hoge？
end
hoge = Hoge.new
hoge.hoge？ = true
p hoge.hoge？ # => true

mirakui

% rails -v
Rails 3.2.5
% rails benchmarker -h
Usage: rails benchmarker 'Ruby.code' 'Ruby.more_code' ... [OPTS]
    -r, --runs N                     Number of runs.
                                     Default: 4
    -o, --output PATH                Directory to use when writing the results.
                                     Default: tmp/performance
    -m, --metrics a,b,c              Metrics to use.
                                     Default: wall_time,memory,objects,gc_runs,gc_time

mirakui

$ cat script.txt
grep hoge /var/log/nginx/access.log
$ rop.rb -H 'app-0{01..05}' -f script.txt
/tmp/rop/0522-2306-11/app-001
/tmp/rop/0522-2306-11/app-002
/tmp/rop/0522-2306-11/app-003
/tmp/rop/0522-2306-11/app-004
/tmp/rop/0522-2306-11/app-005

mirakui

#!/usr/bin/env ruby
APP_PATH = File.expand_path('../../config/application',  __FILE__)
require File.expand_path('../../config/boot',  __FILE__)
require 'rails/commands/console'
require APP_PATH
Rails.application.require_environment!

require "arproxy"
module Arproxy
  class Readonly < Base

mirakui

[STDOUT, STDERR].each do |io|
  io.instance_eval do
    def puts_with_format(*arg)
      print "[#{Time.now.strftime("%Y-%m-%d %H:%M:%S")} ##{$$}] "
      puts_without_format *arg
    end
    alias puts_without_format puts
    alias puts puts_with_format
  end
end

mirakui

require "rubygems"
require "rest-client"

OFFSET = 700
STEP = 100

def exist?(url)
  res = RestClient.head url
  res.code == 200
rescue