cutalion

def empty?(s)
  return s.size == 0
end


class B
  def ==(s)
    "not boolean"
  end
end

cutalion

Nice gems

• racksh - console for Rack apps, like rails c or merb -i

cutalion

Rails.application.config.database_configuration
Rails.application.load_generators
Rails.application.load_seed
Rails.application.paths['db/migrate'].to_a
Rails.application.railties.all
Rails::Engine.find(ENGINE_PATH)
Rails.env
Rails.env.development?
Rails::Generators::SessionMigrationGenerator.start [ ENV['MIGRATION'] || 'add_sessions_table' ]
Rails.root

cutalion

Notes for Rails Meetup - Jan 2013

Rerun/Reload app

• hot-key
• hook on save
• watch
• Rack::Reloader
• guard/autotest/shotgun/etc

cutalion

source :gemcutter
source 'http://gems.github.com'

gem 'rails', '3.2.7'
gem 'rake', '0.9.2.2'

gem 'foreman'
gem 'sidekiq', '= 2.4.0'
gem 'sinatra', require: false
# Database and data related [Putting pg to the end because of a weird bug with Lion, pg and openssl]

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# spec/support/carrierwave.rb

class TestStorage < CarrierWave::Storage::File
  def store!(file)
  end

  def retrieve!(identifier)
    identifier
  end
end

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# encoding: utf-8

def gas(name = "", acct = "")
  url = "http://sevgaz.com.ua/index.php?option=com_content&view=article&id=52"
  data = `curl -F "afam=#{name}" -F "peracc=#{acct}" "#{url}" 2>/dev/null`

  data.scan(%r{Адрес.*?<tr><td>(.*?)</td>\s*<td>\s*<strong>(.*?)</strong>}).flatten
end

def water(name = "", acct = "")

cutalion

class FirstController < ApplicationController
  def edit
    prepare_model_for_form
  end

  def update
    current_user.attributes = params[:user]
    current_user.validates_email!

    if current_user.save

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describe SomeController do
  context "if user is not logged in" do
    specify "GET 'show' should redirect to login page" do
      get :show
      response.should redirect_to login_path
    end

    specify "PUT 'update' should redirect to login page" do
      put :update
      response.should redirect_to login_path

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Вопросы от Ивана Линько.

1. Интересно было бы послушать чем отличается переезд с хероку от обычного деплоя на новый сервер, если чем-то отличается.

• перенос БД (mongodump/mongorestore)
• изменение способа хранения настроек
• настройка почты (Google Apps)