adambair

# use instead of rails console
pry -r ./config/environment.rb 

# for debugging in code put this anywhere:
binding.pry

# then check your console (rails server window) and type:
help

# win

justinko

# In spec/support/callback_disabler.rb
module CallbackDisabler
  def self.store_callbacks(model, filters)
    model = constantize(model)
    
    filters.each do |filter|
      model.send("_#{filter}_callbacks").each do |callback|
        stored_callbacks[model] << {
          filter: filter, kind: callback.kind, raw_filter: callback.raw_filter
        }

jackdempsey

class Foo < ActiveRecord::Base
  include Models::Scopes::Order

  default_scope recently_updated # didn't realize you could do this
end

jcasimir

Ruby Debugger

Most of the time simple output statements using warn, raise, or a logger will help you find your issue. But sometimes you need the big guns, and that means ruby-debug.

Ruby-Debug

The ruby-debug package has had some rocky times during the transition from Ruby 1.8.7 to 1.9.2 and beyond. But now, finally, the debugger is reliable and usable.

Installation

minhajuddin

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

leshill

# Add this to more_web_steps.rb
# Selenium docs: http://code.google.com/p/selenium/wiki/RubyBindings#Javascript_Alert/Confirm today!

When /^I (accept|dismiss) the "([^"]*)" alert$/ do |action, text|
  alert = page.driver.browser.switch_to.alert
  alert.text.should eq(text)
  alert.send(action)
end

visnup

mikhailov

# NOTICE: to get Nginx+Unicorn best-practices configuration see the gist https://gist.github.com/3052776

  $ cd /usr/src
  $ wget http://nginx.org/download/nginx-1.2.1.tar.gz
  $ tar xzvf ./nginx-1.2.1.tar.gz && rm -f ./nginx-1.2.1.tar.gz

  $ wget ftp://ftp.csx.cam.ac.uk/pub/software/programming/pcre/pcre-8.30.tar.gz
  $ tar xzvf pcre-8.30.tar.gz && rm -f ./pcre-8.30.tar.gz

  $ wget http://www.openssl.org/source/openssl-1.0.1c.tar.gz

dnagir

# RSpec 2.0 syntax Cheet Sheet by http://ApproachE.com

# defining spec within a module will automatically pick Player::MovieList as a 'subject' (see below)
module Player
	describe MovieList, "with optional description" do
		  
	  it "is pending example, so that you can write ones quickly"
	  
	  it "is already working example that we want to suspend from failing temporarily" do
		pending("working on another feature that temporarily breaks this one")

cmilfont

#!/usr/bin/env bash

sudo apt-get install sed grep tar curl
sudo apt-get install zlibc zlib1g zlib1g-dev zlib-bin ssh perl openssl subversion libcurl3 expat
sudo apt-get install git libxml2 libxml2-dev ruby-dev libxslt1-dev
sudo apt-get install mysql-server libmysqlclient-dev imagemagick librmagick-ruby libmagick++3 libgraphicsmagick3 libgraphicsmagick1-dev libmagick++-3 libpng3
sudo apt-get install libopenssl-ruby libssl-dev libssl0.9.8

sudo apt-get install libreadline5-dev