Kukunin

require 'benchmark'
require 'etc'

Ractor.new { :warmup } if defined?(Ractor)

def fibonacci(n)
  return n if (0..1).include? n

  fibonacci(n - 1) + fibonacci(n - 2)
end

Kukunin

require 'rails_helper'

RSpec.describe 'hierarchy' do
  subject(:hierarchy) { create_hierarchy(per_level: 3, levels: 5) }

  def create_element(type, children)
    { type: type, children: children }
  end

  # Take a pen and piece of paper

Kukunin

const through = require('through2'),
      PluginError = require('gulp-util').PluginError;

module.exports = function myTransformation(options) {
  if(!options) {
    options = {};
  }

  return through.obj(function (file, enc, cb) {
    if (file.isNull()) {

Kukunin

var events = require('events');
var ws = require('ws');

function simulateTcpSocketFromWS(ws) {
  var socket = {};

  socket.remoteAddress = ws._socket.remoteAddress;

  socket.localPort = ws._socket.localPort;

Kukunin

FROM elixir:1.5
MAINTAINER Sergiy Kukunin <sergey.kukunin@gmail.com>

RUN wget -qO- https://deb.nodesource.com/setup_8.x | bash - && \
    apt-get install -y nodejs
RUN mix local.rebar
RUN mix local.hex --force

WORKDIR /app
ENV MIX_ENV prod

Kukunin

# We are in a folder with local git repository
pwd 

# We need to create an empty repo on the server
# We want to checkout another branch because
# git prevents you from pushing to the current checked branch, which is master by default
ssh <user>@<host> 'mkdir repo && cd repo && git init && git checkout -b local'

# Add remote repo
git remote add server <user>@<host>:repo

Kukunin

class MyGrapeAPI < Grape::API
  helpers Pundit
  after { verify_authorized }

  helpers do
    def current_user
      nil # your authentication mechanism
    end
  end

Kukunin

Keybase proof

I hereby claim:

• I am kukunin on github.
• I am kukunin (https://keybase.io/kukunin) on keybase.
• I have a public key ASBOPhHWzAZdYPXlRSQQD3t99sxWUJ2YcOnvIcPZNStyzwo

To claim this, I am signing this object:

Kukunin

begin
  require 'bundler/inline'
rescue LoadError => e
  $stderr.puts 'Bundler version 1.10 or later is required.'
  raise e
end

gemfile(true) do
  source 'https://rubygems.org'
  gem 'rom'

Kukunin

- hosts: workers
  gather_facts: no
  pre_tasks:
    - set_fact: sequence_number="{{ ansible_default_ipv4['macaddress'].split(':')[-1] | int('', 16) }}"
    - set_fact: daemons_count="{{ groups['daemons'] | length }}"
    - set_fact: daemon_i='{{ (sequence_number|int) % (daemons_count|int)}}'
    - set_fact: daemon_host="{{ hostvars[groups['daemons'][daemon_i|int]]['ansible_eth0']['ipv4']['address'] }}"
    - debug: var=daemon_i
  roles:
    - role: worker