lexun

def pairs(participants)
  pairs = participants.shuffle.each_slice(2).to_a

  if pairs.last.size == 1
    loner = pairs.pop
    pairs.last << loner.first
  end

  pairs
end

sentientmonkey

class FriendlyGuid
  attr_reader :mask

  def initialize(mask)
    @mask = mask
  end

  def guid(id)
    (id.to_i ^ mask).to_s(36)
  end

georgebrock

namespace :deploy do
  PRODUCTION_APP = 'myapp'
  STAGING_APP = 'myapp-staging'

  def run(*cmd)
    system(*cmd)
    raise "Command #{cmd.inspect} failed!" unless $?.success?
  end

  def confirm(message)

JangoSteve

class MyObject
  
  def block_depth=(value)
    Thread.current[:block_depth] = value
  end
  
  def block_depth
    Thread.current[:block_depth] || 0
  end
  

martinhawkins

#date_convert.rb
require 'date'
require 'active_support/core_ext'

Date::DATE_FORMATS.merge!({british: "%d/%m/%Y"})

class DateConvert
  # usage:
  #   date_of_next( day_name, date) where day_name is a string or symbol representation of a full weekday name, e.g. :saturday
  #   and date is either a valid Date object or a string representation  of a date

albus522

def forked!
  ActiveRecord::Base.connection.reconnect!
  Rails.cache.instance_variable_get(:@data).reset
  Mongoid.config.master.connection.close
  load File.join(RAILS_ROOT, 'config/initializers/mongoid.rb')
end

def run(job)
  runtime = Benchmark.realtime do
    fork do

jamestyj

#!/bin/bash
#
# This script is triggered by crontab every 5 minutes.
# Logs to /var/log/ui-server/<host>-rails_check.log.

log_dir=/var/log/my_rails_app
mkdir -p $log_dir
log_file=$log_dir/$(hostname)-rails_check.log

# Limits in MB

TheEmpty

module ControllerFormAttributes
  @@types = {}
  
  # form_params_accessors(:user, :email, :password, :password_confirmation)
  def form_params_accessors(type, attributes)
    @@types[type] = attributes
  end
  
  # user.update_attributes(form_params_for(:user))
  def form_params_for(type)

olegykz

namespace :deploy do
  namespace :assets do
    task :precompile, :roles => :web, :except => { :no_release => true } do
      begin
        from = source.next_revision(current_revision) # <-- Fail here at first-time deploy because of current/REVISION absence
      rescue
        err_no = true
      end
      if err_no || capture("cd #{latest_release} && #{source.local.log(from)} vendor/assets/ app/assets/ | wc -l").to_i > 0
        run %Q{cd #{latest_release} && #{rake} RAILS_ENV=#{rails_env} #{asset_env} assets:precompile}

davewongillies

On Mac OS X:

• Install puppet 3.0.2, facter 1.6.17 and hiera 1.1.2
• create /etc/puppet/puppet.conf
• configure launchd puppet daemon
• initial puppet run