Nick Sarafa nicksarafa

This article has been given a more permanent home on my blog. Also, since it was first written, the development of the Promises/A+ specification has made the original emphasis on Promises/A seem somewhat outdated.

You're Missing the Point of Promises

Promises are a software abstraction that makes working with asynchronous operations much more pleasant. In the most basic definition, your code will move from continuation-passing style:

getTweetsFor("domenic", function (err, results) {
 // the rest of your code goes here.

OS X Screencast to animated GIF

This gist shows how to create a GIF screencast using only free OS X tools: QuickTime, ffmpeg, and gifsicle.

Instructions

To capture the video (filesize: 19MB), using the free "QuickTime Player" application:

Each of these commands will run an ad hoc http static server in your current (or specified) directory, available at http://localhost:8000. Use this power wisely.

Discussion on reddit.

Python 2.x

$ python -m SimpleHTTPServer 8000

#Setting up Nginx on Your Local System ###by Keith Rosenberg

##Step 1 - Homebrew The first thing to do, if you're on a Mac, is to install homebrew from http://mxcl.github.io/homebrew/

The command to type into terminal to install homebrew is:

ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"


	h scroll left
	j scroll down
	k scroll up
	l scroll right
	gg scroll to top of the page
	G scroll to bottom of the page
	f activate link hints mode to open in current tab
	F activate link hints mode to open in new tab
	r reload

	<!--

	Use this snippet to add a google map location chooser to your form

	Step 1: Get a google map api key and insert it in the first javascript tag
	Step 2: In your html form, create two hidden elements, one for latitude, and one for longitude. Give the elements ids and set the LATITUDE_ELEMENT_ID and LONGITUDE_ELEMENT_ID to the appropriate variables
	Done!

	-->

	# I book marked some sites with useful Linux commands i found.
	# then i noticed they were down, so i loaded them via google cache, and copied here.
	# source: http://blog.urfix.com/
	# source: http://www.pixelbeat.org/cmdline.html
	# Enjoy!

	# How to run process as background and never die
	#
	# nohup means: Do not terminate this process even when the stty is cut off.
	# > /dev/null means: stdout goes to /dev/null (which is a dummy device that does not record any output).

	/**
	* Return a timestamp with the format "m/d/yy h:MM:ss TT"
	* @type {Date}
	*/

	function timeStamp() {
	// Create a date object with the current time
	var now = new Date();

	// Create an array with the current month, day and time

	" Use Vim settings, rather then Vi settings (much better!).
	" This must be first, because it changes other options as a side effect.
	set nocompatible

	" ================ General Config ====================

	set number "Line numbers are good
	set backspace=indent,eol,start "Allow backspace in insert mode
	set history=1000 "Store lots of :cmdline history
	set showcmd "Show incomplete cmds down the bottom

	var Y = function(proc) {
	return (function(x) {
	return proc(function(y) { return (x(x))(y);});
	})(function(x) {
	return proc(function(y) { return (x(x))(y);});
	});
	};

	var factgen = function(fact) {
	return function(n) {