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The introduction to Reactive Programming you've been missing

(by @andrestaltz)

So you're curious in learning this new thing called (Functional) Reactive Programming (FRP).

Learning it is hard, even harder by the lack of good material. When I started, I tried looking for tutorials. I found only a handful of practical guides, but they just scratched the surface and never tackled the challenge of building the whole architecture around it. Library documentations often don't help when you're trying to understand some function. I mean, honestly, look at this:

Rx.Observable.prototype.flatMapLatest(selector, [thisArg])

Projects each element of an observable sequence into a new sequence of observable sequences by incorporating the element's index and then transforms an observable sequence of observable sequences into an observable sequence producing values only from the most recent observable sequence.

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<?php
/**
 * SchemateBehavior - Somewhat ActivRecord'ish for CakePHP.. 
 *
 * @author Kjell Bublitz
 * @link http://cakealot.com
 * @license MIT
 */
class SchemataBehavior extends ModelBehavior {
	

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# Lighter -- Campfire from the command line
# usage: ruby lighter.rb subdomain "Main Room" macournoyer@gmail
require "rubygems"
require "tinder"
require "readline"
require "highline/import"

class Lighter
  def initialize(room)
    @room = room

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attwenger = [
  { :year => 1991, :tracks => 18, :title => "Most"         },
  { :year => 1992, :tracks => 10, :title => "Pflug"        },
  { :year => 1993, :tracks => 17, :title => "Luft"         },
  { :year => 1997, :tracks => 5, :title => "Song"         },
  { :year => 2002, :tracks => 15, :title => "Sun"          },
  { :year => 2005, :tracks => 14, :title => "dog"          },
  { :year => 2006, :tracks => 17, :title => "dog2 remixes" },
  { :year => 2007, :tracks => 8, :title => "die Kia"      }
]

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#!/usr/bin/env ruby
#
# A hook script to verify that only syntactically valid ruby code is commited.
# Called by git-commit with no arguments.  The hook should
# exit with non-zero status after issuing an appropriate message if
# it wants to stop the commit.
#
# Put this code into a file called "pre-commit" inside your .git/hooks
# directory, and make sure it is executable ("chmod +x .git/hooks/pre-commit")
#

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Backends

i18n_backend_database
Database Backend for Rails I18n

UIs

i18n_db_admin
Demo application including admin interface for Rails translations using i18n_db

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/*
  As of version 1.1.2, Propane will load and execute the contents of
  ~Library/Application Support/Propane/unsupported/caveatPatchor.js
  immediately following the execution of its own enhancer.js file.

  You can use this mechanism to add your own customizations to Campfire
  in Propane.

  Below you'll find two customization examples.

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This allows you to use the following video streaming services outside of the US from your Mac without having to use a proxy or VPN, so no big bandwidth issues:

• Netflix
• Hulu / HuluPlus
• CBS
• ABC
• MTV
• theWB
• CW TV
• Crackle

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#!/usr/bin/env ruby
require 'net/telnet'

cache_dump_limit = 100
localhost = Net::Telnet::new("Host" => "localhost", "Port" => 11211, "Timeout" => 3)
slab_ids = []
localhost.cmd("String" => "stats items", "Match" => /^END/) do |c|
  matches = c.scan(/STAT items:(\d+):/)
  slab_ids = matches.flatten.uniq
end

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module Abyss
  ROUNDTRIP = {}.tap { |abyss| abyss.default = abyss }.freeze
  def to_abyss(obj = self)
    case obj
    when Hash
      obj.inject({}) { |h,(k, v)| h.update k => to_abyss(v) }.tap { |h| h.default = ROUNDTRIP }
    when Array
      obj.map { |e| to_abyss(e) }
    else
      obj