mungruby

fields = [:switch, :sha_ind, :dtdm, :utdm, :ttdm, :actual]

def create_struct name, fields
  Struct.new(name, *fields)
end

def create_singleton_struct name, fields
  if Struct::const_defined? name
    Struct.const_get name
  else

cypriss

How we upgraded UserVoice, a Rails 2.3.14 app, to Ruby 1.9.3.

Blog post here

tsabat

Prereq:

apt-get install zsh
apt-get install git-core

Getting zsh to work in ubuntu is weird, since sh does not understand the source command. So, you do this to install zsh

wget https://github.com/robbyrussell/oh-my-zsh/raw/master/tools/install.sh -O - | zsh

mattdenner

class Thing < ActiveRecord::Base
  # This named scope is supposed to take in an instance of Owner so that it can be used.  Normally people would start
  # writing `Thing.something(Owner.first).first` but ...
  named_scope :something, lambda { |owner|
    # Something here using 'owner'
  }
end

class Owner < ActiveRecord::Base
  # ... this association uses the method_missing behaviour of associations to cheat the appearance of something.  In 

adamcrown

require 'rubygems' unless defined? Gem # rubygems is only needed in 1.8

def unbundled_require(gem)
  loaded = false

  if defined?(::Bundler)
    Gem.path.each do |gems_path|
      gem_path = Dir.glob("#{gems_path}/gems/#{gem}*").last
      unless gem_path.nil?
        $LOAD_PATH << "#{gem_path}/lib"

patmcnally

# load libraries
require 'rubygems' rescue nil
require 'wirble'
#require 'json'

alias q exit

class Object
  def local_methods
    (methods - Object.instance_methods).sort