gus

For each Ruby module/class, we have Ruby methods on the left and the equivalent
Clojure functions and/or relevant notes are on the right.

For clojure functions, symbols indicate existing method definitions, in the 
clojure namespace if none is explicitly given.  clojure.contrib.*/* functions can
be obtained from http://github.com/kevinoneill/clojure-contrib/tree/master,
ruby-to-clojure.*/* functions can be obtained from the source files in this
gist.

If no method symbol is given, we use the following notation:

guenter

Feature: API
	In order to use the service from third party apps
	As a user
	I want to be able to use an API
	
	Background:
		Given a user exists	# Pickle
		And I login as the user using basic auth
	
	Scenario Outline: Get a ticket

hgmnz

Types of index scans

Indexes

Sequential Scan:

• Read every row in the table
• No reading of index. Reading from indexes is also expensive.

dhh

# autoload concerns
module YourApp
  class Application < Rails::Application
    config.autoload_paths += %W(
      #{config.root}/app/controllers/concerns
      #{config.root}/app/models/concerns
    )
  end
end

michiakig

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; Ant sim ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;   Copyright (c) Rich Hickey. All rights reserved.
;   The use and distribution terms for this software are covered by the
;   Common Public License 1.0 (http://opensource.org/licenses/cpl.php)
;   which can be found in the file CPL.TXT at the root of this distribution.
;   By using this software in any fashion, you are agreeing to be bound by
;   the terms of this license.
;   You must not remove this notice, or any other, from this software.

;dimensions of square world

hopsoft

# app/models/user.rb
class User < ActiveRecord::Base
end

# lib/user_logger.rb
module UserLogger
  def self.included(mod)
    mod.send :after_create, :log_creation
  end

joshuaclayton

require "money"

class Decorator < BasicObject
  undef_method :==

  def initialize(component)
    @component = component
  end

  def method_missing(name, *args, &block)

tenderlove

# encoding: utf-8

require 'rubygems'
require 'benchmark/ips'
require 'set'

TRUE_VALUES = [true, 1, '1', 't', 'T', 'true', 'TRUE'].to_set

def original value
  if value.is_a?(String) && value.empty?

coreyhaines

--colour
-I app

tenderlove

diff --git a/activerecord/lib/active_record/relation/finder_methods.rb b/activerecord/lib/active_record/relation/finder_methods.rb
index 416b55f..1ceb194 100644
--- a/activerecord/lib/active_record/relation/finder_methods.rb
+++ b/activerecord/lib/active_record/relation/finder_methods.rb
@@ -217,8 +217,11 @@ module ActiveRecord
       if match.bang? && result.blank?
         raise RecordNotFound, "Couldn't find #{@klass.name} with #{conditions.to_a.collect {|p| p.join(' = ')}.join(', ')}"
       else
-        yield(result) if block_given?
-        result