paneq

module Mailing
  singleton_class.class_eval do
    attr_accessor :engine
    delegate :add, :clear, :each, :deliver, :to => :engine
  end
end

paneq

ruby-1.9.2-p290-fastrequire :017 > o.inspect
 => "#<Object:0x9b517fc>" 
ruby-1.9.2-p290-fastrequire :018 > (o.object_id*2).to_s(16)
 => "9b517fc" 

paneq

class SkipAutoloadingAllHelpersController < ActionController::Base
  # Fuck you, rails!
  def self.helper(*params)
    if params.include?(:all)
      Rails.logger.warn("Rejected :all")
      params.reject!{|p| p == :all}
    end
    super
  end

paneq

class PapersController < ApplicationController

  def create
    @paper = Paper.new(params[:paper])

    if @paper.save
      redirect_to @paper, notice: "Talk proposal submitted" # notice: I18n.t(:paper_created_flash_message)
    else
      flash[:alert] = "An error occurred while submitting a proposal"
      render action: :new

paneq

class PapersController < ApplicationController

  def create
    @paper = Paper.new(params[:paper])

    if @paper.save
      redirect_to @paper, notice: :created
    else
      flash[:alert] = :invalid
      render action: :new

paneq

<%= form_for(@user) do |f| %>

    <fieldset>
    <div class="clearfix <%= @user.errors[:login].present? ? :error : nil %>">
      <%= f.label :login %><br />
      <div class="input">
        <span class="help-block">
          Your login. You know... login.
        </span>

paneq

<% @user.errors[:login].each do |err| %>
  <span class="help-block">
    <p><%= error_message(err) %></p>
  </end>
<% end%>

paneq

class User < ActiveRecord::Base

  validate :login_length

  private

  def login_length
    return if login.size >= 2 && login.size <= 10
    errors.add(:login, {
      code: :INVALID_LENGTH,

paneq

class InvalidLengthError
  attr_accessor :min, :max, :current
  private :min=, :max=, :current=

  CODE = "INVALID_LENGTH"
  DESCRIPTION = "Invalid length"

  def initialize(min, max, current)
    self.min = min
    self.max = max

paneq

class InvalidLengthError
  attr_accessor :min, :max, :current
  private :min=, :max=, :current=

  CODE = "INVALID_LENGTH"
  DESCRIPTION = "Invalid length"

  def initialize(min, max, current)
    self.min = min
    self.max = max