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

woahdae

def profile(unit = :M)
  # trying to see where our memory is going
  population = Hash.new{|h,k| h[k] = [0,0]}
  array_sizes = Hash.new{|h,k| h[k] = 0}
  ObjectSpace.each_object do |object|
    # rough estimates, see http://eigenclass.org/hiki.rb?ruby+space+overhead
    size = case object 
           when Array
             array_sizes[object.size / 10] += 1
             case object.size

woahdae

{
  "from": 0,
  "size": 10,
  "sort": [
    {
      "_score": {
        "order": "desc"
      },
      "boost": {
        "order": "desc",

woahdae

{
  "from": 0,
  "size": 10,
  "sort": [
    {
      "_score": {
        "order": "desc"
      },
      "boost": {
        "order": "desc",

woahdae

woahdae

module MyApp
  def self.settings
    Settings.instance
  end

  class MyApp::Settings < BasicObject
    # so we can reference classes w/o appending '::'
    def self.const_missing(name)
      ::Object.const_get(name)
    end