mnutt

Instrument Anything in Rails 3

With Rails 3.0 released a few weeks ago I've migrated a few apps and I'm constantly finding useful new improvements. One such improvement is the ability to log anything in the same way that Rails internally logs ActiveRecord and ActionView. By default Rails 3 logs look slightly spiffier than those produced by Rails 2.3: (notice the second line has been cleaned up)

Started GET "/" for 127.0.0.1 at Mon Sep 06 01:07:11 -0400 2010
  Processing by HomeController#index as HTML
  User Load (0.2ms)  SELECT `users`.* FROM `users` WHERE (`users`.`id` = 3) LIMIT 1
  CACHE (0.0ms)  SELECT `users`.* FROM `users` WHERE (`users`.`id` = 3) LIMIT 1

Rendered layouts/_nav.html.erb (363.4ms)

oleganza

/*
In Gitbox (gitboxapp.com) there is a stage view on the right where you can see
a list of all the changes in the working directory: untracked, modified, 
added, deleted, renamed files. Each change has a checkbox which you can click
to stage or unstage the change ("git add", "git reset").
When the change staging finishes, we run another task to load all the changes 
("git status").
When the loading task is completed we notify the UI to update the list of changes.
All tasks are asynchronous.

tmm1

# load balancing
#   send incoming requests to one of 10 backends running on ports 5000-5009
HttpProxyMachine.start do
  { :host => 'localhost', :port => 5000 + rand(10) }
end

# host based routing
#   send requests for media.server/file to localhost:3000/media/file
#   all other requests are unmodified
HttpProxyMachine.start do |request|

sstephenson

window.addEventListener "DOMContentLoaded", ->
  body        = $ "body"
  canvas      = $ "#canvas"
  chalkboard  = $ "#chalkboard"
  close       = $ "#close"
  ledge       = $ "#ledge"
  lightswitch = $ "#lightswitch"
  output      = $ "#output"
  shade       = $ "#shade"
  share       = $ "#share"

igrigorik

require 'rubygems'
require 'rack'

class Object
  def webapp
    class << self
       define_method :call do |env|
         func, *attrs = env['PATH_INFO'].split('/').reject(&:empty?)
         [200, {}, send(func, *attrs)]
       end

igrigorik

module Selectable
  def recieve?; false; end
  def send?; true; end
end

class Channel
  include Selectable

  def recieve
    'hai'

sstephenson

var detectBackOrForward = function(onBack, onForward) {
  hashHistory = [window.location.hash];
  historyLength = window.history.length;

  return function() {
    var hash = window.location.hash, length = window.history.length;
    if (hashHistory.length && historyLength == length) {
      if (hashHistory[hashHistory.length - 2] == hash) {
        hashHistory = hashHistory.slice(0, -1);
        onBack();

mojombo

# Convert an array of nested key parts into a nested Hash and convert the
# value to a proper Ruby object.
#
# keyparts - An Array of String parts of the nested Hash. For instance, the
#            list ['a', 'b', 'c'] would lead to a nested hash that looks like
#            {'a' => {'b' => {'c' => X}}}.
# val      - The String value that will be converted into the proper Boolean,
#            Integer, or String.
#
# Returns the nested Hash.

erica

REMOTE REQUESTS:
com.sadun.airflick
RequestType := show-photo | play-media | screenshot
MediaLocation := 
    <url string> | <local file path string> | <array of local file path strings for slideshow>
Rotation := 0 | 1 | 2 | 3 (0 ^, 1 <, 2 v, 3 >)
Transition := SlideRight | Dissolve
SlideDuration := 2 | 3 | 5 | 8 | 10 (Use strings. Incorrect durations default to 5)
 
// Single Slide

tmm1

This is now obsolete. Upgrade to Propane 1.1.2 and use https://gist.github.com/825404 instead.

Screenshots

Use it

Propane 1.1.0