$ gem install meat_sauce

$ meat_sause

$ meat_sauce show_links --url http://www.yahoo.co.jp

$ meat_sauce scraping --url http://www.yahoo.co.jp --tag h2

$ meat_sauce show_source --url http://www.yahoo.co.jp

$ meat_sauce capture --url http://www.yahoo.co.jp --file-path ~/yahoo.jpg

bundle install --without production

bundle config --global without production

bundle config
Settings are listed in order of priority. The top value will be used.

without
Set for the current user (~/.bundle/config): "production"

vim ~/.bundle/config
---
BUNDLE_WITHOUT: production

10.times.inject(0) {|sum, (i, j)| sum + i } # => 0から9までを足して、結果は45

10.times.with_index(1).inject(0) {|sum, i| p i }

# =>
[0, 1]
[1, 2]
[2, 3]
[3, 4]
[4, 5]
[5, 6]
[6, 7]
[7, 8]
[8, 9]
[9, 10]
[
    [0] 9,
    [1] 10
]

10.times.with_index(1).inject(0) {|sum, (times_count, index_count)| sum + index_count } # => 55

class Image < ActiveRecord::Base
  belongs_to :imageable, :polymorphic => true
end

class Company < ActiveRecord::Base
  has_many :images, :as => :imageable
end

class User < ActiveRecord::Base
  has_many :images, :as => :imageable
end

rake notes

app/controllers/news_controller.rb:
  * [  9] [TODO] お知らせ一覧データの有効期限の実装を行う

app/controllers/users_controller.rb:
  * [174] [TODO] デバッグ用、後で消す。

set :deploy_via, :copy
set :copy_cache, true

set :deploy_via,    :copy_bundled

executing locally: "cd /var/folders/dl/n1zf4q750msgc9jcd99hdq3c0000gn/T/20130422015014 && bundle package --all"
Error loading RubyGems plugin "/Users/gogosakrua/.rvm/gems/ruby-1.9.3-p385@global/gems/rubygems-bundler-1.1.0/lib/rubygems_plugin.rb": Could not find rubygems-bundler (>= 0) amongst [actionmailer-3.2.12, actionpack-3.2.12, active_decorato
r-0.3.4, activemodel-3.2.12, activerecord-3.2.12, activeresource-3.2.12, activesupport-3.2.12, arel-3.0.2, builder-3.0.4, cancan-1.6.9, chronic-0.9.1, chunky_png-1.2.7, coffee-rails-3.2.2, coffee-script-2.2.0, coffee-script-source-1.6.1,
compass-0.12.2, compass-colors-0.9.0, compass-rails-1.0.3, compass_twitter_bootstrap-2.2.2.2, country_select-1.1.3, erubis-2.7.0, execjs-1.4.0, fssm-0.2.10, gruff-0.3.7, haml-4.0.0, haml-rails-0.4, hike-1.2.1, i18n-0.6.4, jbuilder-1.0.2,
journey-1.0.4, jquery-rails-2.2.1, json-1.7.7, kaminari-0.14.1, libv8-3.11.8.13-x86_64-darwin-12, log4r-1.1.10, mail-2.4.4, mime-types-1.21, multi_json-1.6.1, pg-0.14.1, polyamorous-0.5.0, polyglot-0.3.3, rack-1.4.5, rack-cache-1.2, rack-
mini-profiler-0.1.23, rack-ssl-1.3.3, rack-test-0.6.2, rails-3.2.12, rails3_acts_as_paranoid-0.2.5, railties-3.2.12, rake-10.0.3, ransack-0.7.2, rdoc-3.12.2, ref-1.0.2, rjb-1.4.6, rmagick-2.13.2, rubyzip-0.9.9, sass-3.2.6, sass-rails-3.2.
6, seed-fu-2.2.0, settingslogic-2.0.9, simple_form-2.1.0, sprockets-2.2.2, therubyracer-0.11.4, thor-0.17.0, tilt-1.3.4, treetop-1.4.12, turbo-sprockets-rails3-0.3.6, tzinfo-0.3.36, uglifier-1.3.0, whenever-0.8.2] (Gem::LoadError)
    command finished in 3794ms

undefined method `with_clean_env' for Bundler:Module (NoMethodError)

class Hoge
  def call_with_args(message)
    p messge
  end

  def call_without_args
    p "引数なしのメソッド"
  end
end

hoge = Hoge.new
method = bol ? [:call_with_args, "引数あり" ] : [:call_without_args]
hoge.send(*method)

class ApiController < ActionController::Base
  rescue_from Exception, with: :system_error

  def system_error(ex)
    logger.error(ex.message)
    logger.error(ex.backtrace)
    render json: @data , :status => 500
  end
end