thijsc

def select_from_chosen(item_text, options)
  field = find_field(options[:from])
  option_value = page.evaluate_script("$(\"##{field[:id]} option:contains('#{item_text}')\").val()")
  page.execute_script("$('##{field[:id]}').val('#{option_value}')")
end

sumskyi

GeoEntity.last

SELECT geo_entities.* FROM geo_entities ORDER BY geo_entities.id DESC LIMIT 1

returns:

County id: 4, eid: nil, pid: nil, ename: nil, etype: 2, created_at: "2011-11-21 06:26:37", updated_at: "2011-11-21 06:26:37"

walterdavis

module Paperclip
  # Converts ogg audio for Firefox
  class Ogg < Processor

    attr_accessor :whiny

    # Creates an Ogg from MP3
    def make
      src = @file
      dst = Tempfile.new([@basename, '.ogg'])

lucasfais

Sublime Text 2 – Useful Shortcuts (Mac OS X)

General

⌘T	go to file
⌘⌃P	go to project
⌘R	go to methods
⌃G	go to line
⌘KB	toggle side bar
⌘⇧P	command prompt

njvitto

<script type="text/javascript">
	FB.api('/', {id: "<%= @url_for_FB %>"} ,function(response) {
		fb_shares = "0";
		if(typeof(response.shares)!=='undefined' && response.shares!=null)
			fb_shares = response.shares;	
			
  		$("FB_shares").update(fb_shares);
	});
</script>

jcasimir

Validations

Data integrity is an underrated part of proper application architecture. Many of the bugs in production systems are triggered by missing or malformed user data. If a user can possibly screw it up or screw with it, they will. Validations in the model can help!

On Syntax

Before we begin, let's talk about syntax. There are two primary syntaxes for writing validations in Rails 3:

validates_presence_of :price

czottmann

worker:     QUEUE=* bundle exec rake environment resque:work 
scheduler:  bundle exec rake environment resque:scheduler

zhengjia

=Navigating=
    visit('/projects')
    visit(post_comments_path(post))

=Clicking links and buttons=
    click_link('id-of-link')
    click_link('Link Text')
    click_button('Save')
    click('Link Text') # Click either a link or a button
    click('Button Value')

vvalgis

set :rails_env, :production
set :unicorn_binary, "/usr/bin/unicorn"
set :unicorn_config, "#{current_path}/config/unicorn.rb"
set :unicorn_pid, "#{current_path}/tmp/pids/unicorn.pid"

namespace :deploy do
  task :start, :roles => :app, :except => { :no_release => true } do 
    run "cd #{current_path} && #{try_sudo} #{unicorn_binary} -c #{unicorn_config} -E #{rails_env} -D"
  end
  task :stop, :roles => :app, :except => { :no_release => true } do 

njvitto

#Deploy and rollback on Heroku in staging and production
task :deploy_staging => ['deploy:set_staging_app', 'deploy:push', 'deploy:restart', 'deploy:tag']
task :deploy_production => ['deploy:set_production_app', 'deploy:push', 'deploy:restart', 'deploy:tag']

namespace :deploy do
  PRODUCTION_APP = 'YOUR_PRODUCTION_APP_NAME_ON_HEROKU'
  STAGING_APP = 'YOUR_STAGING_APP_NAME_ON_HEROKU'

  task :staging_migrations => [:set_staging_app, :push, :off, :migrate, :restart, :on, :tag]
  task :staging_rollback => [:set_staging_app, :off, :push_previous, :restart, :on]