dlmanning’s gists

dlmanning / index.html

Last active August 29, 2015 14:15

d3 minimap with draggable minimap window

dlmanning / vanishing-closure.js

Created January 22, 2015 04:06

The mysterious case of the vanishing outer closure

	zip();
	zap();
	zoom();

	function zip () {
	var a = 1;

	(function () {
	// v8 will remove the outer closure
	debugger;

dlmanning / stream-class.js

Created August 8, 2014 16:59

	var { Transform } = require('stream'); // use require for non-ES6 Node modules

	class MyStream extends Transform {
	constructor (options) {
	super({
	lowWaterMark: 0,
	encoding: 'utf8'
	});
	}

dlmanning / node-forecast-proxy.js

Last active August 29, 2015 13:57

simple api proxy that queues requests when cached data is out of date.

	var request = require('request');
	var moment = require('moment');
	var http = require('http');
	var colors = require('colors');

	var latLong = "45.5330,-122.6894";
	var apiKey = "a75c248d7b83806b66b281dd33e96e36";
	var url = 'https://api.forecast.io/forecast';

	url += '/' + apiKey + '/' + latLong;

dlmanning / main.js

Last active August 29, 2015 13:57

	requirejs.config({
	baseUrl: '/js',
	paths: {
	'backbone': 'lib/backbone',
	'underscore': 'lib/underscore',
	'jquery': 'lib/jquery',
	'hbs': 'lib/require-handlebars-plugin/hbs',
	'templates': '../templates'
	}
	});

dlmanning / package.json

Created January 18, 2014 22:07

	{
	"name": "knode.github.io",
	"version": "0.0.1",
	"description": "knode.github.io ===============",
	"main": "index.js",
	"scripts": {
	"test": "echo \"Error: no test specified\" && exit 1",
	"postupdate": "echo \"Updated...\" && exit 0"
	},
	"repository": {

dlmanning / gist:7741148

Created December 1, 2013 21:35

Solutions to one of the javascript koans

	it("given I'm allergic to nuts and hate mushrooms, it should find a pizza I can eat (imperative)", function () {

	var i,j,hasMushrooms, productsICanEat = [];

	for (i = 0; i < products.length; i+=1) {
	if (products[i].containsNuts === false) {
	hasMushrooms = false;
	for (j = 0; j < products[i].ingredients.length; j+=1) {
	if (products[i].ingredients[j] === "mushrooms") {
	hasMushrooms = true;

dlmanning / ifFilesExist.js

Created November 12, 2013 03:29

A function to asynchronously confirm the existence of every file in an array.

	function ifFilesExist (files, cb) {
	var numberOfFiles = files.length
	, returnsChecked = 0
	, existancesConfirmed = 0;

	for (var i = 0; i < numberOfFiles; i++) {
	fs.exists(files[i], next);
	}

	function next (e) {

dlmanning / addressbook.js

Created November 7, 2013 03:22

Sample code for a PCS exercise

	var fs = require('fs');
	var read = require('read');

	var myBook = [];

	var data = fs.readFileSync(__dirname + '/data.json', { encoding: 'utf8', flag: 'a+' });
	if (data) {
	myBook = JSON.parse(data);
	}

dlmanning / watch.js

Last active December 23, 2015 09:59

Possible regression between 0.10.16 and 0.10.17 related to libuv patch

	Running watch.js on node 0.10.17 and OS X 10.8.5 gives the following when editing (in Sublime Text) and saving file in the same directory:

	change : a.txt
	rename : .subl319.tmp
	change : a.txt
	rename : .subl69d.tmp

	etc...

	Doing the same on 0.10.18 gives:

David Manning dlmanning