jqr

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/usr/local/strobe/bundle/ruby/1.9.1/gems/activesupport-3.0.10/lib/active_support/json/backends/yajl.rb:12:in `parse': input must be a string or IO (Yajl::ParseError)

jqr

# install git
sudo apt-get install -y g++ curl libssl-dev apache2-utils
sudo apt-get install -y git-core

mkdir ~/src
cd ~/src

# download the Node source, compile and install it
git clone https://github.com/joyent/node.git
cd node

jqr

  # Adds rel="nofollow" and auto_link class to all links by default.
  def auto_link(text, options = {}, &block)
    super(text, options.reverse_merge(:link => :all, :html => { :rel => :nofollow, :class => 'auto_link' }), &block)
  end

jqr

  # Returns a link to url with the specified content, automatically adds 
  # rel="nofollow" and the external class to the link.
  def link_to_external(content, url, options = {})
    url = httpify_url(url)
    link_to content, url, options.merge(:rel => :nofollow, :class => "#{options[:class].to_s} external")
  end

  # Just like link_to_external, but uses the dehttpified url as the content.
  def link_to_external_url(url, options = {})
    link_to_external(h(dehttpify_url(url)), url, options)

jqr

# Including this module causes indexing and index removal to occur in 
# DelayedJobs. Requires all automatic index/removal code to be enabled (the 
# default) to work properly. Include this module after calling searchable.
#
#  searchable do      # TODO: automatically enable after calling searchable?
#    text :name
#  end
#  
#  include DelayedIndex
module DelayedIndex

jqr

module FindDuplicates
  # Returns a hash of duplicate values and their counts, select can be 
  # anything that evaluates to a single SQL column.
  # Warning: select and minimum_count are not SQL escaped!
  #
  #  User.find_duplicates(:username)        # { 'jqr' => 2 }
  #  User.find_duplicates(LOWER(city), 5)   # { 'indianaplis' => 25, 'new york' => 201 }
  def find_duplicates(select, minimum_count = 2)
    rows = connection.select_all("SELECT #{select} AS value, COUNT(*) AS count FROM #{table_name} GROUP BY #{select} HAVING COUNT(*) >= #{minimum_count}")
    rows.inject({}) do |acc, row|

jqr

  # Warning: Loses any scope it may have been called on!
  def send_all_in_batches(batch_size, method, *args)
    transaction do
      start_id = first(:order => 'id ASC').id
      end_id = first(:order => 'id DESC').id
      current_id = start_id
      while current_id <= end_id
        send_later :send_to_batch, current_id, current_id + batch_size, method, *args)
        current_id += batch_size
      end

jqr

# See install instructions @ http://github.com/mynyml/harmony

require 'rubygems'
require 'harmony'
$: << '/Library/Ruby/Gems/1.8/gems/harmony-0.5.1/vendor/envjs/lib'

page = Harmony::Page.fetch('http://example.com')
puts page.execute_js('document.title') #=> "Example Web Page"

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# http://rubylearning.com/blog/2010/01/26/rpcfn-fair-distribution-6/

module Enumerable
  def sum
    inject(0) { |acc, v| acc + v }
  end
end

class FairDistribution
  attr_accessor :jobs, :worker_count, :distribution

jqr

# Useful in JRuby environment where Timeout and SystemTimer are not working as expected.
class ThreadedTimeout
  def self.realtime(timeout, options = {})
    resolution = options[:resolution] || 1
    begin
      start = Time.now
      resolution ||= 1
      mutex = Mutex.new
      thread = Thread.new do
        mutex.synchronize do