Dan Minshew newswim

The introduction to Reactive Programming you've been missing

This tutorial as a series of videos

If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.

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Permission to use, copy, modify, and/or distribute this software for any purpose with or without fee is hereby granted, provided that the above copyright notice and this permission notice appear in all copies.

THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

Source: http://opensource.org/licenses/ISC

This tutorial uses the "Sample hapi.js REST API" project.

Take a look at: https://github.com/agendor/sample-hapi-rest-api/

##Topics

Introduction
Installing Node.js
Installing MySQL
Setting-up the project

What are we trying to observe? Raw object data.

// Objects
var obj = { id: 2 };
obj.id = 3; // obj == { id: 3 }
 
// Arrays
var arr = ['foo', 'bar'];
arr.splice(1, 1, 'baz'); // arr == ['foo', 'baz'];

	import Control.Applicative
	import Control.Monad.ST
	import Control.Monad
	import Data.STRef

	while ::
	Monad f =>
	f Bool
	-> f a
	-> f ()

	#!/usr/bin/env sh

	# first check to see if mongo service is running. you can't delete any files until the service stops so perform a quick check.
	launchctl list \| grep mongo
	# NOTE: the pipe \| symbol means the commands on the right performs on the output from the left
	# grep is a string search utility. `grep mongo` means search for the substring mongo

	# use the unload command to end the mongo service. this is required to 'unlock' before removing the service.
	# first look for the file to delete
	MONGO_SERVICE_FILE=$(ls ~/Library/LaunchAgents/mongodb)


	var E_PREFIX_RATE = 0.25;

	// All of our word lists:
	var _word_lists = {

	verb : [
	"implement", "utilize", "integrate", "streamline", "optimize", "evolve", "transform", "embrace",
	"enable", "orchestrate", "leverage", "reinvent", "aggregate", "architect", "enhance", "incentivize",
	"morph", "empower", "envisioneer", "monetize", "harness", "facilitate", "seize", "disintermediate",

	; ex. 1:
	(repeat 5 "Odelay!")

	; ex. 2:
	(when-not (re-find #"aura" "restaurant") (System/exit 0))

	; ex. 3:
	(map clojure.string/capitalize ["toast" "cheese" "wine"])

	; ex. 4:

	(ns async-test.timeout.core
	(:require [cljs.core.async :refer [chan close!]])
	(:require-macros
	[cljs.core.async.macros :as m :refer [go]]))

	(defn timeout [ms]
	(let [c (chan)]
	(js/setTimeout (fn [] (close! c)) ms)
	c))