dnch

Originally From: http://www.peo.gov.au/multimedia/library/pages/0148.html

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dnch

<form onsubmit="return makeFieldsTheSameValue();">
  
  <!-- 
    It's important that your input fields have unique ID attributes,
    otherwise we won't be able to reference them easily via JavaScript. 
  -->
  <label for="field_one">Field One</label>
  <input type="text" name="field_one" value="" id="field_one">

  <label for="field_two">Field Two</label>

dnch

class Article < ActiveRecord::Base
  # Has attributes: :title, :body, :active

  attr_protected :active
end

class Image < ActiveRecord::Base
  # Has attributes: :title, :filename, :active

  attr_accessible :title

dnch

module ResourcefulRequestHelper
  
  # Iterates through each route defined for the current controller, yielding
  # each one to allow the same set of assertions / expectations to be tested.
  # 
  # Usage:
  # ======
  # describe UsersController do
  #   let(:user) { double('user') }
  # 

dnch

[server] administrator:~$ nc -zvw 1 207.97.227.239 22
github.com [207.97.227.239] 22 (ssh) : No route to host

[server] administrator:~$ nc -zvw 1 207.97.227.239 80
github.com [207.97.227.239] 80 (www) open

dnch

class FancyMiddleware
  def initialize(app)
    @app            = app
    @excluded_paths = []
  end

  def call(env)    
    # env variable may be wrong here
    if @excluded_paths.include(env["REQUEST_PATH"])    
      # do magic

dnch

class User
  include Mongoid::Document

  field :email

  validates_format_of :email, :with => /^[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,6}$/i, :message => "is not a valid email adress."
end

dnch

class FoosController < AbstractController::Base
  def update
    @foo = Foo.find(params[:id])
    
    # If our changed object saves...
    if @foo.update_attributes(params[:attributes])
    
      # Now, we check for changes. In some situations, we might
      # use @foo.notify_changed? but given that update_attributes
      # clobbers the dirty state of your instance, we need to

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  def update
    if @baby.update_attributes(params[:baby])
      if params[:notify] == true
        flash[:notice] = "Done"
      else
        redirect_to(root_url(:host => with_subdomain(@baby.subdomain)), :notice => 'Your baby was successfully updated and everyone has been told the good news.')
      end
    else
      render :action => "edit" 
    end

dnch

# Given a big (~25MB) text file, I want to extract
# and process lines that are prefixed with a certain
# string. In the actual case, known_prefixes is 
# approximately 50 elements long with potential for growth

known_prefixes = %w(aa ab ax fy fx)
regex = "^#{known_prefixes.join("|")} "

IO.foreach(big_ass_text_file).each |row|
  if row =~ regex