kopylovvlad

require_relative './event_emitter_core'

# class for users
class User
  attr_reader :first_name

  def initialize(first_name)
    @first_name = first_name
  end
end

kopylovvlad

require_relative './event_emitter_core'

class EventEmitter
  include EventEmitterCore
end

event_emitter = EventEmitter.new

# the code should be executed when event will be triggered
ring_bell = lambda do |event_name, object|

kopylovvlad

# the module can be included to any class
module EventEmitterCore
  # turn on the event
  # @param event_name [String, Symbol]
  def on(event_name)
    events[event_name.to_sym] ||= []
  end

  # turn off the event
  # @param event_name [String, Symbol]

kopylovvlad

Tags

Hash:
Hash<KeyType, ValueType>
Hash{KeyTypes=>ValueTypes}

how to doc hash in arguments
<%
# @param [Hash] opts the options to create a message with.

kopylovvlad

$MY_FILE_PATH = File.expand_path(File.dirname(__FILE__))
content = File.open("#{$MY_FILE_PATH}/#{__FILE__}").read
puts content
puts 'end of script'

kopylovvlad

------------------------------
********************
 CONFIDENT RUBY
********************
------------------------------

каждый метод может состоять максимум из 4 частей
1 Collecting input
2 Performing work
3 Delivering output

kopylovvlad

require 'time'

# thread pool class
# it takes pool size
class ThreadPool
  attr_reader :result, :number, :size

  def initialize(size)
    @finish = false
    @result = nil

kopylovvlad

require 'time'

module HashGenerator
  # calculating hash for string "#{string}#{number}"
  def self.call(string, number)
    # for macOS
    return `echo '#{string}#{number}' | sha2 -256`
      .gsub('SHA-256 ((null)) = ', '')
      .gsub(/\n/, '')
    # for Linux

kopylovvlad

# thread pool class
class ThreadPool
  def initialize(size)
    @size = size
    @jobs = Queue.new
    @pool = Array.new(@size) do |i|
      Thread.new do
        Thread.current[:id] = i
        catch(:exit) do
          loop do

kopylovvlad

require 'socket'

# run on localhost:3000
server = TCPServer.new('localhost', 3000)

loop do
  Thread.start(server.accept) do |socket|
    request = socket.gets
    method, path = request.split
    sleep_time = rand(5)