seemikehack’s gists

seemikehack / gist:ed605093b531fbb051fe

Created July 3, 2014 13:38

RequireJS Dependencies and Automatic Script Loading

seemikehack / index.html

Created September 17, 2014 04:55

// source http://jsbin.com/jekoce/42

	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="utf-8">
	<title>JS Bin</title>
	</head>
	<body>
	<script src="http://cdnjs.cloudflare.com/ajax/libs/bluebird/1.2.2/bluebird.js"></script>
	<script src="https://rawgithub.com/keithwhor/audiosynth/master/audiosynth.js"></script>
	<script id="jsbin-javascript">

seemikehack / toUTF8Array.js

Created April 22, 2015 18:28

Convert from UTF-16 to UTF-8

	// Source: http://stackoverflow.com/a/18729931
	function toUTF8Array(str) {
	var utf8 = [];
	for (var i=0; i < str.length; i++) {
	var charcode = str.charCodeAt(i);
	if (charcode < 0x80) utf8.push(charcode);
	else if (charcode < 0x800) {
	utf8.push(0xc0 \| (charcode >> 6),
	0x80 \| (charcode & 0x3f));
	}

seemikehack / generateUUID.js

Created April 22, 2015 18:30

Generate a v4 UUID, with seeding

	// Source:
	// http://stackoverflow.com/a/2117523 and
	// http://stackoverflow.com/a/8809472
	function generateUUID() {
	var d = new Date().getTime();
	var uuid = 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {
	var r = (d + Math.random()*16)%16 \| 0;
	d = Math.floor(d/16);
	return (c == 'x' ? r : (r&0x7\|0x8)).toString(16);
	});

seemikehack / AssertException.js

Created April 22, 2015 18:32

Simple assertion library

	// custom assertion library
	function AssertException(msg) {
	this.msg = msg \|\| 'AssertException';
	};
	AssertException.prototype.toString = function () {
	return 'AssertException: ' + this.msg;
	};
	function assert(exp, msg) {
	if (!exp)
	throw new AssertException(msg);

seemikehack / Queue.js

Created April 22, 2015 18:33

Standard FIFO Queue, implemented with two stacks.

	/**
	* Standard FIFO Queue, implemented with two stacks.
	* @typedef {Object} Queue
	* @property {function} enqueue - add an item to the back of the queue
	* @property {function} dequeue - remove an item from the front of the queue
	* @property {function} isEmpty - check whether or not the queue is empty
	*/

	/**
	* Standard FIFO Queue, implemented with two stacks.

seemikehack / color-rule.js

Created April 29, 2015 19:55

Draw lines on the screen at absolute offsets

	// draw a colored rule across the page
	function drawRule(label, offset, options) {
	// setting global color enum, step counter, and index
	window.crColors = window.crColors \|\| ['#000', '#f00', '#0f0', '#00f', '#ff0', '#0ff', '#f0f', '#fff'];
	window.crStep = window.crStep \|\| 0;
	window.crOffset = window.crOffset \|\| 0;
	window.crOffsetScale = 200;
	window.crIndex = window.crIndex \|\| 9001

	// set defaults or compute values

seemikehack / killEvent.js

Created May 5, 2015 04:22

Absolutely, positively squash an event in the most cross-browser-compatible way imaginable (thanks, IE8).

	// see http://www.quirksmode.org/js/events_order.html for a fun read
	// if you're wondering why all the type-coercion b.s., why not, since this function has to exist in the first place
	function killEvent(e) {
	e = e \|\| window.event;
	e.cancelBubble = true;
	e.returnValue = !true;
	return !!(e.stopPropagation && (e.stopPropagation() \|\| e.preventDefault()));
	}

seemikehack / out.md

Created September 30, 2015 19:34

Expected SQL Output

id	childId	groupId	sort	type	name
1	0	0	1	text	Top field
2	0	0	2	mastergroup	Child 1
3	0	2	3	text	First Name
4	0	2	4	text	Last Name
2	1	2	2	childgroup	Child 2
3	1	2	3	text	First Name
4	1	2	4	text	Last Name
2	2	2	2	childgroup	Child 3

seemikehack / linLogMapper.py

Created January 25, 2018 20:41

Calculate constants for use in mapping a linear scale to a logarithmic scale

Michael Atkinson seemikehack