hwatkins

erlang:memory(total).
%% GC all processes
[erlang:garbage_collect(Pid) || Pid <- processes()].

[{K,V / math:pow(1024,3)} || {K,V} <- erlang:memory()].

[{T, ets:info(T, memory)} || T <- ets:all()].

[{T, mnesia:table_info(T, memory)} || T <- mnesia:system_info(tables)].

hwatkins

require 'spec_helper'
feature 'Creating Projects' do
  scenario "can create a project" do
    visit '/'
    click_link 'New Project'
    fill_in 'Name', :with => 'TextMate 2'
    fill_in 'Description', :with => 'A text-editor for OS X'
    click_button 'Create Project'
    expect(page).to have_content('Project has been created.')
  end

hwatkins

require 'rubygems'
require 'nokogiri'
require 'open-uri'

pages= %w[CCIprimers REMprimers WINprimers accurate alliant hodgdon BEBullets HPBullets SPPBullets]
pages.each do |page|
  doc = Nokogiri::HTML(open("http://www.powdervalleyinc.com/#{page}.shtml"))
  
  doc.xpath('//form//table//tr').each_with_index do |row, index|
    next if index < 2 

hwatkins

$ ruby starline.rb
357-SIG-Brass 500 ($98.50) 1000 ($163.50) Available: 04/29/2013
9MM-Brass  
9MMP-Brass  
380-Auto-Brass 500 ($73.00) 1000 ($129.00) Available: 04/16/2013
40-SandW-Brass  
45-Auto-P-Brass  
45-Auto-Brass  

hwatkins

module ActionView
  module Helpers
    class FormBuilder
      # code from rails 3.0
      def submit(value=nil, options={})
        value, options = nil, value if value.is_a?(Hash)
        value ||= submit_default_value
        @template.submit_tag(value, options.reverse_merge(:id => "#{object_name}_submit"))
      end
    end

hwatkins

#Model 

@user.should have(1).error_on(:username) # Checks whether there is an error in username 
@user.errors[:username].should include("can't be blank")  # check for the error message 

#Rendering
response.should render_template(:index)

#Redirecting 
response.should redirect_to(movies_path)

hwatkins

If you want to use multiple dbs at once there are several different ways... 

1) If you want to do this on a per-model level, use .store_in (This is for all threads):

class Band
  include Mongoid::Document
  store_in database: "secondary" # This can be any name you want, no need to put it in the mongoid.yml.
end

class Artist

hwatkins

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

hwatkins

#!/usr/bin/env ruby
require 'iconv'
require 'nokogiri'

# This is a simple script to spider your Netflix paginated "What You've Rated" list.
# It requires an OS X based system with Ruby 1.9+, Safari, and AppleScript
#
# I could not find a way to back up my ratings (for all titles, not just my rental activity)
# without registering for a Netflix API key or handing my Netflix credentials over to someone
# who had an API key, so I decided to take a brute force approach and just parse the HTML for

hwatkins

module ApplicationHelper
  def phone_number_link(text)
    sets_of_numbers = text.scan(/[0-9]+/)
    number = "+1-#{sets_of_numbers.join('-')}"
    link_to text, "tel:#{number}"
  end
end