joalbertg

[]: []
[6]: [1]
[2, 4]: [4, 2]
[1, 1, 1, 1, 1]: [1, 1, 1, 1, 1]
[2, 2, 2, 2, 2]: [16, 16, 16, 16, 16]
[0, 1, 2, 3, 4]: [24, 0, 0, 0, 0]
[0, 1, 2, 0, 4]: [0, 0, 0, 0, 0]
[1, 2, 3, 4, 2]: [48, 24, 16, 12, 24]

joalbertg

# Task executed successfully.

# ---------------------------------
# Input parameters: ("0151-319723")
# Result: No
# OK
# ---------------------------------
# Input parameters: ("(123) 456-7890")
# Result: 1234567890
# OK

joalbertg

# frozen_string_literal: true

# quickstart
#
# ruby count_even_substrings.rb

def count_even_substrings(str)
  j = 0
  size = str.size
  acc = []

joalbertg

# frozen_string_literal: true

class FriendlierUuid
  def initialize(uuid)
    @uuid = uuid
  end

  def encode
    remove_hyphens
    conver_hexadecimal_to_bcd

joalbertg

require 'pry'
require 'pry-nav'

class Application
  def self.call(*args, &)
    new(*args, &).call
  end

  private

joalbertg

<?xml version="1.0"?>
<catalog>
   <book id="bk101">
      <author>Gauthorambardella, Matthew</author>
      <title>XML Developer's Guide</title>
      <genre>Computer</genre>
      <price>44.95</price>
      <publish_date>2000-10-01</publish_date>
      <description>An in-depth look at creating applications 
      with XML.</description>

joalbertg

# frozen_string_literal: true

# Quickstart
#
# Install:
# > gem install rspec --no-document
#
# Run tests
# > rspec -f d property_titles_service.rb
#

joalbertg

Technical Interview

Multiply
0
0
2
2
-1
-1

joalbertg

Observer Pattern

V1
  name:   Fred Flintstone
  title:  Crane Operator
  salary: 30000
35000

joalbertg

Factory Method Pattern

Duck Duck0 says Quack!
Duck Duck1 says Quack!
Duck Duck2 says Quack!
Duck Duck0 is eating.
Duck Duck1 is eating.
Duck Duck2 is eating.