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class Sample
  DUMMY_IMPL = proc { |*| }
  def self.only(method_name)
    return unless const_get(:FLAG, false)
    singleton_class.__send__ :remove_method, method_name
    singleton_class.__send__ :define_method, method_name, DUMMY_IMPL
  end
end

class SampleA < Sample

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$ cat Envfile
your-heroku-app-name:
  LANG: ja_JP.UTF-8
$ heroku config -a your-heroku-app-name
=== your-heroku-app-name Config Vars
LANG: en_US.UTF-8
$ ruby path/to/heroku_config.rb # dry run
I, [2015-09-04T19:13:17.972419 #14090]  INFO -- : your-heroku-app-name
I, [2015-09-04T19:13:17.972511 #14090] INFO -- : C LANG=ja_JP.UTF-8

miyucy

# Luhnアルゴリズム
# https://ja.wikipedia.org/wiki/Luhn%E3%82%A2%E3%83%AB%E3%82%B4%E3%83%AA%E3%82%BA%E3%83%A0
def luhn(digits)
  raise if digits.to_s =~ /[^\d]/
  sum = digits.each_char.map(&:to_i).reverse_each.with_index.reduce(0) do |r, (digit, idx)|
    if idx.odd?
      n = digit * 2
      n = n > 10 ? n - 10 + 1 : n
    else
      n = digit

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require 'mongo/functional/logging'

module Mongo
  module QueryTracer
    CLEANER = ActiveSupport::BacktraceCleaner.new.tap do |cleaner|
      cleaner.add_silencer { |line| line !~ /\A#{Regexp.escape Rails.root.to_s}/ }
    end
    DEPTH = (0...ENV.fetch('MONGO_QUERY_TRACE_DEPTH', 3).to_i)

    def log_operation(name, payload, duration)

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var a = (function (txt) {
  var R = /(?:https?:\/\/)?(?:[a-z0-9][a-z0-9\-]{1,61}[a-z0-9]\.)+[a-z]+[a-z0-9#%&+,-./;=?_~]*/i;
  var P = function(txt, ary) {
    var m = R.exec(txt);
    if (m) {
      ary.push(txt.substr(0, m.index));
      ary.push(m[0]);
      return P(txt.substr(m.index + m[0].length), ary);
    } else {
      ary.push(txt);

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module Sprockets
  module Cache
    class Local
      def initialize(original)
        @object = {}
        @client = Dalli::Client.new(nil, namespace: "#{::Rails.env}/cache", compress: true)
        @original = original
      end

      # Lookup value in cache

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require 'spec_helper'

class Doc
  include MongoMapper::Document
  one :em_doc
  timestamps!

  ensure_index [['em_doc.foo', Mongo::ASCENDING]]
end

miyucy

Thu, 08 Jan 2015 00:00:00 EST -05:00 : Thu, 08 Jan 2015 05:00:00 UTC +00:00
Thu, 08 Jan 2015 01:00:00 EST -05:00 : Thu, 08 Jan 2015 06:00:00 UTC +00:00
Thu, 08 Jan 2015 02:00:00 EST -05:00 : Thu, 08 Jan 2015 07:00:00 UTC +00:00
Thu, 08 Jan 2015 03:00:00 EST -05:00 : Thu, 08 Jan 2015 08:00:00 UTC +00:00
Thu, 08 Jan 2015 04:00:00 EST -05:00 : Thu, 08 Jan 2015 09:00:00 UTC +00:00
Thu, 08 Jan 2015 05:00:00 EST -05:00 : Thu, 08 Jan 2015 10:00:00 UTC +00:00
Thu, 08 Jan 2015 06:00:00 EST -05:00 : Thu, 08 Jan 2015 11:00:00 UTC +00:00
Thu, 08 Jan 2015 07:00:00 EST -05:00 : Thu, 08 Jan 2015 12:00:00 UTC +00:00
Thu, 08 Jan 2015 08:00:00 EST -05:00 : Thu, 08 Jan 2015 13:00:00 UTC +00:00
Thu, 08 Jan 2015 09:00:00 EST -05:00 : Thu, 08 Jan 2015 14:00:00 UTC +00:00

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module Stripe
  module APIOperations
    module List
      module ClassMethods
        def find_each(filters={}, api_key=nil, &block)
          loop do
            list = all(filters, api_key).tap { |e| e.each(&block) }
            break unless list.has_more
            filters = filters.merge(starting_after: list.data.last.id)
          end

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Backbone.localForage = {}
Backbone.localForage.sync = (prefix) ->
  (method, model, options) ->
    options.success ?= ->
    options.error   ?= ->
    save = (key, options) ->
      localforage.setItem key, model.toJSON(), (err, val) ->
        if err
          options.error err
        else