sang4lv’s gists

sang4lv / Sync.java

Created March 7, 2017 07:27

	class Callme {
	void call(String message) {
	try {
	Thread.sleep(1000);
	} catch(InterruptedException e) {
	System.out.println("Interrupted. Message is " + message);
	}

	System.out.print("[" + message);
	System.out.println("]");

sang4lv / getCount.js

Created February 23, 2017 03:01

Detect when all requests initiated by scripts have completed. Requires Performance API

	(function(P) {
	var timer = setInterval(function() {
	var requestCount = P.getEntriesByType("resources").filter(res => res.initiatorType === "script" && res.responseEnd === 0).length;

	if (requestCount === 0) {
	// all requests are loaded
	// begin next step here...
	clearInterval(timer);
	}
	}, 16 * 4); // interval set to approx. 100ms

sang4lv / nn.py

Last active January 23, 2017 11:19

sang4lv / merge_sort_2dim.cpp

Created January 22, 2017 07:15

	void merge_sort(vector<int> &a, int left, int right) {
	// base case
	if (left + 1 >= right) {
	return;
	}

	// recursion case
	int mid = (left + right) / 2;
	merge_sort(a, left, mid);
	merge_sort(a, mid, right);

sang4lv / multiply.js

Last active January 12, 2017 03:01

polynomial multiplication

	var LEFT = 0;
	var RIGHT = 1;

	function getZeros(length) {
	return (new Array(length)).join('a').split('a').map(function() { return 0; });
	}

	function padTo(array, length, direction) {
	var result = array.slice(0);
	var args = getZeros(length);

sang4lv / dev-server.js

Last active March 29, 2016 07:49

webpack

	var WebpackDevServer = require('webpack-dev-server');
	var webpack = require('webpack');
	var devConfig = require('../webpack.config.dev');

	var compiler = webpack(devConfig);
	var IPAddress = require('./get-ip')();

	new WebpackDevServer(compiler, {
	contentBase: './src',
	publicPath: '/assets/',

sang4lv / sound.html

Last active October 22, 2015 06:28

Play Audio on iOS Safari

	<!DOCTYPE html>
	<html>
	<head></head>
	<body>
	<button id="btn" style="transform: scale(3); margin: 100px;">touch to play</button>
	</body>
	<script>
	$el = document.querySelector('#btn');
	var myContext = new (window.AudioContext \|\| window.webkitAudioContext)();
	var path = 'ended.mp3';

sang4lv / gist:4fdf83ae340beaf576d8

Created October 17, 2015 03:48

initFromBuffer

	AudioComponent.prototype.initFromBuffer = function(bufferData) {
	this.panner = this.context.createPanner();
	this.gainNode = this.context.createGain();
	this.sourceNode = this.context.createBufferSource();

	this.context.decodeAudioData(bufferData, function(buffer) {
	this.meta.duration = 1000 * buffer.duration; //in milliseconds

	// connect them up
	this.sourceNode = buffer;

sang4lv / gist:67db7ae455658c1357fb

Last active August 29, 2015 14:28

download svg

	$link.setAttribute('download', fileName);
	$link.setAttribute('title', 'download generated logo');

	if(format == 'svg') {
	$link.setAttribute('href-lang', 'image/svg+xml');
	//tried the following
	exportData = 'data:application/octet-stream;base64,' + encodeURIComponent(generator.getSVG());
	//exportData = 'data:application/octet-stream;base64,' + btoa(generator.getSVG());
	//exportData = 'data:image/svg+xml;base64,' + btoa(generator.getSVG());
	//exportData = 'data:image/svg+xml;' + encodeURIComponent(generator.getSVG());

sang4lv / Image.js

Created July 24, 2015 06:30

	(function() {
	'use strict';

	var React = require('react/addons');
	var utils = require('../../javascripts/utils');

	var Image = module.exports = React.createClass({
	getInitialState : function() {
	return {
	imageShown : false

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