ischenkodv’s gists

ischenkodv / writable_stream.js

Created March 18, 2017 21:54

Example of writable stream in NodeJS.

	const stream = require('stream');
	const fs = require('fs');

	class EchoStream extends stream.Writable {
	_write(chunk, enc, next) {
	console.log(chunk.toString());
	next();
	}
	}

ischenkodv / fibonacci.php

Created October 28, 2015 08:54

Fibonacci function

	function fibonacci($n) {
	if (is_int($n)) {
	return round(pow((sqrt(5)+1)/2, $n) / sqrt(5));
	} else {
	throw new Exception('Value should be an integer');
	}
	}

ischenkodv / read_files_promises.js

Created August 8, 2015 22:03

	var fs = require('fs');

	var files = ['foo.txt', 'bar.txt', 'baz.txt'];

	var promises = [];

	for (var i = 0; i < files.length; i++) {
	promises.push(readFile(files[i]));
	}

ischenkodv / strings.js

Created April 18, 2015 21:07

Unit tests for lesson 2

	/**
	* This is module to test.
	*/
	module.exports = {
	camelCase: function(string) {
	return string.replace(/-[a-z]/g, function(match) {
	return match[1].toUpperCase() + match.slice(2);
	});
	},
	dashSeparated: function(string) {

ischenkodv / GeolocationSpec.js

Created February 28, 2015 20:28

	describe('findByNavigator()', function() {

	var geolocator, fnDone, fnFail;

	beforeEach(function() {
	geolocator = new Geolocator({language: 'fi'});
	});

	it('can find user location', function() {
	var location, address, components;

ischenkodv / RAFPlugin.js

Created February 28, 2015 20:24

Jasmine plugin to test functions with requestAnimationFrame.

	/**
	* Jasmine RequestAnimationFrame: a set of helpers for testing funcionality
	* that uses requestAnimationFrame under the Jasmine BDD framework for JavaScript.
	*/
	;(function() {

	var index = 0,
	callbacks = {};

	function MockRAF(global) {

ischenkodv / AsyncQueueSpec.js

Created February 28, 2015 20:22

Unit tests for AsyncQueue

	describe('run()', function() {

	var realNextFrame, realCancelFrame;

	beforeEach(function() {
	jasmine.clock().install();
	jasmine.RequestAnimationFrame.install();
	realNextFrame = window.nextFrame;
	realCancelFrame = window.cancelFrame;
	window.nextFrame = window.requestAnimationFrame;

ischenkodv / AsyncQueue.js

Created February 28, 2015 20:17

Asynchronous queue implementation. Functions could be added to queue and executed one by one immediately, or with intervals or in the next frame (using requestAnimationFrame).

	;(function(window) {

	'use strict';

	/**
	* AsyncQueue allows you to create a queue of function to be executed via
	* setTimout that guaranteed to run in order. This can enable to run
	* process-intensive operations without locking up UI.
	*
	* @constructor

ischenkodv / joomla_json.php

Created November 30, 2014 00:35

Return JSON data from action of Joomla controller.

	/**
	* JSON response from controller's action.
	*/
	public function run( )
	{
	JFactory::getDocument()->setMimeEncoding( 'application/json' );
	JResponse::setHeader('Content-Disposition','attachment;filename="progress-report-results.json"');

	$data = array(
	'foo' => 'bar'

ischenkodv / ie_conditionals.html

Created February 11, 2014 21:11

Adding class names depending on Internet Explorer version.

	<!DOCTYPE html>
	<!--[if lt IE 7 ]> <html class="ie6" lang="en"> <![endif]-->
	<!--[if IE 7 ]> <html class="ie7" lang="en"> <![endif]-->
	<!--[if IE 8 ]> <html class="ie8" lang="en"> <![endif]-->
	<!--[if IE 9 ]> <html class="ie9" lang="en"> <![endif]-->
	<!--[if (gt IE 9)\|!(IE)]><!--> <html lang="en"> <!--<![endif]-->

	<body></body>
	</html>

Dmitri Ischenko ischenkodv