griffithac

class ActiveRecord::Base

  # Totals the virtual attributes of a collection
  def self.vsum collection, v_attr
    total = 0
    collection.each { |collect| total += collect.method(v_attr.to_s).call } 
    return total
  end

  # Avarages the virtual attributes of a collection

griffithac

Ruby on Rails production setup on Ubuntu 12.04

System update

# change mirror to ubuntu.osuosl.org first
sudo apt-get update

Install common libraries

sudo apt-get install build-essential libreadline-dev libssl-dev zlib1g-dev libxml2-dev libxslt-dev

griffithac

Add Modules to Your App

Ownership::Model Ownership::Controller

Include Modules in your Model and Controller

class Post < ActiveRecord::Base

griffithac

SSH HTTP Proxy Setup

ssh -C2qTnN -D 8080 gsm

griffithac

# schedule.rb

set :output, "/path/to/log/cron.log"

# Requires that your production server is set to UTC time
# Subclass Time and override self.parse to adjust for timezone offset
class TimeInZone < Time
  def initialize
    super
  end

griffithac

find . -name \*.slim -type f -exec cat {} + | sed '/^\s*#/d;/^\s*$/d' | wc -l

griffithac

defaults write NSGlobalDomain KeyRepeat -int 1
defaults write NSGlobalDomain InitialKeyRepeat -int 10