Gabriel gabrielperales

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Node.js Best Practice Exception Handling

Code examples from this stack overflow answer.

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'];

Contract Killer 3

Un fork del popular contrato open source para diseñadores y desarrolladores creado por Stuff & Nonsense

Publicado: 05/02/2014
Entrada original

Entre nosotros [nombre de la compañía]

The introduction to Reactive Programming you've been missing

(by @andrestaltz)

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.

Export HTML table to Excel in AngularJS

myApp.factory('Excel',function($window){
		var uri='data:application/vnd.ms-excel;base64,',
			template='<html xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:x="urn:schemas-microsoft-com:office:excel" xmlns="http://www.w3.org/TR/REC-html40"><head><!--[if gte mso 9]><xml><x:ExcelWorkbook><x:ExcelWorksheets><x:ExcelWorksheet><x:Name>{worksheet}</x:Name><x:WorksheetOptions><x:DisplayGridlines/></x:WorksheetOptions></x:ExcelWorksheet></x:ExcelWorksheets></x:ExcelWorkbook></xml><![endif]--></head><body><table>{table}</table></body></html>',
			base64=function(s){return $window.btoa(unescape(encodeURIComponent(s)));},
			format=function(s,c){return s.replace(/{(\w+)}/g,function(m,p){return c[p];})};
		return {

	(ns express_sample
	(:require [cljs.nodejs :as node]))

	(def express (node/require "express"))
	(def app (. express (createServer)))

	(defn -main [& args]
	(doto app
	(.use (. express (logger)))
	(.get "/" (fn [req res]

	//-------------------------------------------------------------
	//
	// Hypothesis:
	//
	// Promises/A is a Monad
	//
	// To be a Monad, it must provide at least:
	// - A unit (aka return or mreturn) operation that creates a corresponding
	// monadic value from a non-monadic value.
	// - A bind operation that applies a function to a monadic value

	//BASIC PIECES, 3 functions: unit, bind and the bind argument
	//function unit(value)
	//function bind(monad, function(value))
	//all three functions return a monad

	/* The unit function is a constructor (returns a monad object)
	* The magic is in the bind function
	*
	* There are AXIOMS:
	* bind(unit(value)), f) === f(value)

	/! normalize.css v2.1.3 \| MIT License \| git.io/normalize /

	/* ==========================================================================
	HTML5 display definitions
	========================================================================== */

	/**
	* Correct `block` display not defined in IE 8/9.
	*/