woahdae

Usage:

  polymorphic :commentable do
    belongs_to :post
    belongs_to :comment
    belongs_to :product
  end

Adds validations that only one is set, and an accessor ('commentable' from above) that gets and sets the polymorphic relation.

woahdae

# leaves around a pointer to the root mapping after use

def indexes(name, options = {}, &block)
  @_mapping_pointer ||= @mapping
  @_mapping_pointer[name] = options
  if block_given?
    previous = @_mapping_pointer
    @_mapping_pointer[name][:type] ||= 'object'
    @_mapping_pointer = @_mapping_pointer[name][:properties] = {}
    yield

woahdae

module Tire
  def self.inverted_aliases
    aliases.inject({}) do |acc, (index, aliases)|
      aliases.each do |als|
        acc[als] ||= SortedSet.new
        acc[als] << index
      end
      acc
    end
  end

woahdae

Process:         ruby [80361]
Path:            /usr/local/rvm/rubies/ruby-1.9.2-p290/bin/ruby
Identifier:      ruby
Version:         ??? (???)
Code Type:       X86-64 (Native)
Parent Process:  ruby [80349]

Date/Time:       2011-11-14 16:42:57.491 -0800
OS Version:      Mac OS X Server 10.7 (11A2061)
Report Version:  9

woahdae

# Relevant for http://local.seomoz.org:3000/campaigns/1/rankings

Keyword.all.each do |keyword|
  [ Week.current.previous,
    Week.current.previous.previous,
    Week.current.previous.previous.previous ].each  do |week|

    GA::KeywordMetric.create({
      "google_analytics_connection_id"=>2,
      "google_analytics_engine_id"=> 96,

woahdae

require 'formula'

class RApp < Formula
  # i386 or x86_64
  ARCHS = "x86_64"
  # Leopard, Leopard64, SnowLeopard
  SYSTEM = "SnowLeopard"

  url 'http://cran.r-project.org/bin/macosx/Mac-GUI-1.36.tar.gz'
  homepage 'http://cran.r-project.org/bin/macosx/'

woahdae

# If I have two named scopes with a :having clause, ex:
# 
# class Product < ActiveRecord::Base
#   named_scope :qty_ordered_gt, lambda { |number|
#     { :group  => "products.id",
#       :joins  => :line_items,
#       :having => ["SUM(line_items.qty) > ?", number]}
#   }
#   named_scope :revenue_gt, lambda { |number|
#     { :group  => "products.id",

woahdae

#!/usr/bin/env ruby

require 'net/smtp'
require 'socket'

class MemoryMonitor
  def bloated_processes
    # the '$11 $12 $13 $14 $15 $16' thing is an ignorant solution for something like '$11 *'
    # 'grep -v packet_worker_runner' ignores backgroundrb
    `ps auwx | grep -v packet_worker_runner | awk '{ if ($6 > 500000) print $2 "##" $6 "##" $11,$12,$13,$14,$15,$16}'`

woahdae

class MemoryProfiler

  # Memory profiler from Ryan Davis
  # http://www.zenspider.com/~ryand/memory_profiler.rb
  # 
  # Just fire it up as MemoryProfiler.profile or use it with a block
  # of code:
  # 
  #   MemoryProfiler.profile do
  #     # ...

woahdae

require 'benchmark' 

# Example:
#
# bm = MemBench.new
# bm.before_each {require File.dirname(__FILE__) + '/config/environment'}
# bm.benchmark("find") do
#   Product.find(:all, :limit => 1000, :include => [:variants =>
#                                                     :variant_descriptors])}
# end