zackthehuman’s gists

zackthehuman / gist:1677420

Created January 25, 2012 17:21

Locale-based short date formatting

	var getShortDateFormat = (function() {
	var pattern = undefined,
	defaultPattern = "M/d/yyyy",
	localeFormatMappings = {
	"en-us": "M/d/yyyy",
	"ja-jp": "yyyy\u5E74 M\u6708 d\u65E5"
	};

	return function(date, locale) {
	var m, d, y;

zackthehuman / gist:1702978

Created January 30, 2012 06:59

SharePoint 2010 "Personal Actions"-like menu markup

	<div class="ms-MenuUIPopupBody ms-MenuUIPopupScreen" style="position:absolute;">
	<div class="ms-MenuUIPopupInner" style="overflow-x: visible; overflow-y: visible; ">
	<div class="ms-MenuUILarge">
	<ul class="ms-MenuUIUL">

	<li class="ms-MenuUIULItem">
	<div class="ms-MenuUIULItem">
	<a class="ms-MenuUIULLink">
	<span class="ms-MenuUIIconLarge" style="white-space: nowrap;">
	<img class="ms-MenuUIULImg" width="32" height="32" src="/_layouts/images/blank.gif" alt="" title="" />

zackthehuman / hexagons.js

Created February 20, 2012 03:46

Drawing a hexagonal grid with HTML canvas

	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="utf-8" />
	<title>Canvas Hexagonal Map</title>
	<style type="text/css">
	canvas {
	border:0;
	display:block;
	margin:0 auto;

zackthehuman / fibs.js

Created March 29, 2012 06:03

Fibonacci using recursion and iteration

	// These functions assume that fib(0) = 0, fib(1) = 1
	// In other words, 0 and 1 are the seeds of the sequence.

	function recursiveFib(n) {
	if(n < 0) {
	throw "Negative numbers are not allowed.";
	}

	if(n < 2) {
	return n;

zackthehuman / cycle.frag

Created November 11, 2012 10:02

Color/palette cycling using GLSL (example in SFML)

	uniform sampler2D texture;
	uniform sampler2D colorTable;
	uniform float paletteIndex;

	void main()
	{
	vec2 pos = gl_TexCoord[0].xy;
	vec4 color = texture2D(texture, pos);
	vec2 index = vec2(color.r + paletteIndex, 0);
	vec4 indexedColor = texture2D(colorTable, index);

zackthehuman / gist:5762171

Created June 12, 2013 00:59

JavaScript object difference using Underscore

	var objectA = { a: '1a', b: '1b', c: '1c' };
	var objectB = { a: '2a', b: '2b', d: '2d' };

	function objectDifference(minuend, subtrahend) {
	var firstIntersection = _.omit(minuend, _.keys(subtrahend)),
	secondIntersection = _.omit(subtrahend, _.keys(minuend));

	return _.extend(firstIntersection, secondIntersection);
	}

zackthehuman / QuadTree.scala

Created June 9, 2014 13:32

Working generic quadtree written in Scala

	case class Identifier(id: Long)
	case class Rectangle(x: Int, y: Int, width: Int, height: Int)

	object QuadTree {
	private val MAX_OBJECTS = 2
	private val MAX_LEVELS = 5

	private val PARENT_NODE = -1
	private val TOP_RIGHT = 0
	private val TOP_LEFT = 1

zackthehuman / bit.cpp

Created December 17, 2015 23:47

bit function constexpr

	#include <iostream>

	constexpr auto bit(std::size_t index) {
	return 1ULL << index;
	}

	int main() {
	std::cout << bit(0) << "\n" << bit(1) << "\n" << bit(5) << std::endl;
	return 0;
	}

zackthehuman / application.controller.js

Last active March 21, 2016 18:18

limiting properties

	import Ember from 'ember';

	export default Ember.Controller.extend({
	appName: 'Ember Twiddle',
	queryParams: {
	'number': '_number'
	},
	_number: 1,
	totalPages: 5,
	number: Ember.computed('_number', {

zackthehuman / rot.js

Created April 4, 2016 16:50

JavaScript 2D array rotations

Zachary Mulgrew zackthehuman