Wlad Lisowski lisovskyvlad

Functional software developer

lisovskyvlad / ololo_task.js

Created August 26, 2019 18:37

	const counterIncrement = (collector, char) => {
	const lastItemIndex = collector.length - 1;

	if(lastItemIndex === -1) {
	return [[char, 1]];
	}

	if(collector[lastItemIndex][0] == char) {
	collector[lastItemIndex][1] += 1
	} else {

lisovskyvlad / promise_playground.js

Created March 18, 2019 17:49

Learning of promises

	const f = (wait_count, string) => (
	new Promise((res, rej) => (setTimeout(() => res(string), wait_count)))
	);

	async function sequence() {
	const a = await Promise.all([
	f(2000, '2000 wait'),
	f(500, '500 wait'),
	f(1000, '1000 wait')
	]);

lisovskyvlad / titanic.json

Created February 11, 2019 11:30

Response from http://www.omdbapi.com/ for titanic

	{
	"Title": "Titanic",
	"Year": "1997",
	"Rated": "PG-13",
	"Released": "19 Dec 1997",
	"Runtime": "194 min",
	"Genre": "Drama, Romance",
	"Director": "James Cameron",
	"Writer": "James Cameron",
	"Actors": "Leonardo DiCaprio, Kate Winslet, Billy Zane, Kathy Bates",

lisovskyvlad / middle_rate.rb

Last active July 29, 2018 08:15

Ruby solution for the task mentioned in the article http://grishaev.me/why-clj

	class MiddleRate
	attr_reader :data

	def initialize(data)
	@data = data
	end

	def call
	# age rates got { 18 => [30, 15], 50 => [35] }
	age_rates = data.each_with_object(memory_hash) do \|data_item, acc\|

lisovskyvlad / gitlab-ci.yml

Created January 15, 2018 17:17

lisovskyvlad / tries.rb

Created January 8, 2017 18:15

	class Trie
	Node = Struct.new(:char, :children, :is_complete_word)

	attr_reader :root

	def initialize
	@root = Node.new('', {}, false)
	end

	def add_word(word)

lisovskyvlad / download-url-to-file.rb

Created February 29, 2016 15:52 — forked from johnjohndoe/download-url-to-file.rb

Ruby script to download a number of files from individual URLs via HTTP/HTTPS/FTP specified in an external file.

	#!/usr/bin/env ruby
	#
	# Ruby script to download a number of files
	# from individual URLs via HTTP/HTTPS/FTP
	# specified in an external file.
	#
	# Author: Tobias Preuss
	# Revision: 2013-04-18 16:26 +0100 UTC
	# License: Creative Commons Attribution-ShareAlike 3.0 Unported

lisovskyvlad / Dockerfile

Created December 22, 2015 09:33

Good example of dockerfile for ruby in drone.

	FROM ruby:2.2

	RUN gem update --system && gem install bundler
	RUN sed -i 's/deb http:\/\/httpredir.debian.org\/debian jessie main/deb http:\/\/httpredir.debian.org\/debian jessie main non-free/' /etc/apt/sources.list
	RUN sed -i 's/deb http:\/\/security.debian.org jessie\/updates main/deb http:\/\/security.debian.org jessie\/updates main non-free/' /etc/apt/sources.list
	RUN curl -sL https://deb.nodesource.com/setup_4.x \| bash - && apt-get install -y nodejs unrar && npm install -g phantomjs

lisovskyvlad / application.js

Created November 23, 2015 23:56 — forked from lexmag/application.js

Rails streaming

	//= require jquery
	//= require jquery_ujs

	$(function() {
	var source = new EventSource('/stream');
	source.addEventListener('counter', function(e) {
	$('body').after(e.data + '<br />');
	});
	});

lisovskyvlad / counter.rb

Created November 23, 2015 23:56 — forked from lexmag/counter.rb

Terribly simple Sinatra streaming

	require 'sinatra'
	set server: :thin

	get '/' do
	erb :welcome
	end

	get '/stream', provides: 'text/event-stream' do
	stream do \|out\|
	loop do