mileszs

class Memcached
  def fetch(key, options = {})
    if !options[:force] && value = get(key)
      value
    elsif block_given?
      value = yield
      set(key, value)
      value
    end
  end

mileszs

class Memcached
  def fetch(key)
    if value = get(key)
      value
    elsif block_given?
      begin
        add(key, value = yield)
      rescue Memcached::NotStored => e
        value = get(key) 
      end

mileszs

class Memcached
  class Rails < ::Memcached

    def fetch(key, options = {})
      if value = get(key)
        value
      elsif block_given?
        value = yield
        begin
          add(key, value)

mileszs

# I'll forget this again, so I'm saving it somewhere.
# I needed to remove duplicates from a table.
# Here's how I did it.

category_uniques = Category.all.index_by(&:name).values
Category.all.each { |cat| cat.destroy unless category_uniques.include?(cat) }

# Edit: Reduced to two lines, for fun.

mileszs

# question.rb
class Question < ActiveRecord::Base
  validates_presence_of :body, :summary, :answer
  validates_uniqueness_of :body

  cattr_reader :per_page
  @@per_page = 10

  belongs_to :category

mileszs

def application_packages 
   if deploy_stage == 'production'
      # set up the cron task to reindex
      cron 'rake sunspot:reindex', :ensure => :absent
      cron 'rake cron', 
        :command => "/usr/bin/rake -f #{configuration[:deploy_to]}/current/Rakefile cron RAILS_ENV=#{ENV['RAILS_ENV']}",
        :hour => 5,
        :minute => 0
    end
end

mileszs

  # Failing on line 3 when the cache hits
  def find_categories
    if (@categories = Rails.cache.read('all_categories')).nil?
      @categories = Category.all(:order => 'name ASC')
      Rails.cache.write('all_categories', @categories, :ttl => 1800)
    end
  end

# Solution:
  def find_categories

mileszs

# Used to graph results from autobench
#
# Usage: ruby autobench_grapher.rb result_from_autobench.tsv
#
# This will generate three svg & png graphs

require "rubygems"
require "scruffy"
require 'csv'
require 'yaml'

mileszs

%p
  %span.red This
  ,
  %span.blue that
  ,
  %span.green the other
  .

mileszs

ActionController::Integration::Session.class_eval do
  def generic_url_rewriter
    env = {
      'REQUEST_METHOD' => "GET",
      'QUERY_STRING'   => "",
      "REQUEST_URI"    => "/",
      "HTTP_HOST"      => host,
      "SERVER_PORT"    => https? ? "443" : "80",
      "HTTPS"          => https? ? "on" : "off",
      "rack.input"     => "wtf"