crashtech

[2015-08-14 01:29:48] /usr/local/rvm/wrappers/ruby-2.2.2@rubinius/bundle
current path: /usr/local/rvm/src/rbx-head
PATH=/usr/local/rvm/bin:/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin
command(2): /usr/local/rvm/wrappers/ruby-2.2.2@rubinius/bundle install
Don't run Bundler as root. Bundler can ask for sudo if it is needed, and installing your bundle as root will break this application for all non-root users on
this machine.
Using rake 10.4.2
Using daedalus-core 0.5.0
Using redcard 1.1.0
Using rubinius-ast 2.3.2

crashtech

# Transform a possible multi-dementional array into one-dimentional array
# It returns nil if the giver argument is not an array
def flatten(arr)
  return nil unless arr.is_a?(::Array)

  # Store the extracted values in the result
  result = []

  # Iterate over the elements appending or merging the parts
  arr.each do |part|

crashtech

+ 1491966648.266378976 /scripts/cli : __rvm_parse_args()  749 > [[ -z '' ]]
+ 1491966648.271087905 /scripts/cli : __rvm_parse_args()  749 > [[ -n '' ]]
+ 1491966648.275022367 /scripts/cli : __rvm_parse_args()  752 > [[ error == '' ]]
+ 1491966648.278861310 /scripts/cli : __rvm_parse_args()  752 > [[ 0 -eq 1 ]]
+ 1491966648.282690210 /scripts/cli : __rvm_parse_args()  752 > [[ -n '' ]]
+ 1491966648.286148429 /scripts/cli : __rvm_parse_args()  15 > [[ -n use ]]
+ 1491966648.289327313 /scripts/cli : __rvm_parse_args()  17 > rvm_token=use
+ 1491966648.292945688 /scripts/cli : __rvm_parse_args()  19 > ((  1 > 0  ))
+ 1491966648.296664270 /scripts/cli : __rvm_parse_args()  21 > next_token=/home/poc.myadmin.dev/
+ 1491966648.300582448 /scripts/cli : __rvm_parse_args()  22 > shift

crashtech

SELECT "orders"."id"                                                                  AS t0_r0,
       "orders"."customer_id"                                                         AS t0_r1,
       "orders"."vendor_id"                                                           AS t0_r2,
       "orders"."billing_address_id"                                                  AS t0_r3,
       "orders"."shipping_address_id"                                                 AS t0_r4,
       "orders"."status"                                                              AS t0_r5,
       "orders"."partner_order_number"                                                AS t0_r6,
       "orders"."created_at"                                                          AS t0_r7,
       "orders"."updated_at"                                                          AS t0_r8,
       "orders"."description"                                                         AS t0_r9,

crashtech

def cosine_distance(this, that)
  return 1.0 if this === that

  a_vector = Hash.new(0).tap{ |v| this.each{ |e| v[e] += 1 } }
  b_vector = Hash.new(0).tap{ |v| that.each{ |e| v[e] += 1 } }

  a_mag = 0.0
  product = a_vector.inject(0.0) do |total, (key, value)|
    a_mag += value ** 2
    total += value * b_vector[key]

crashtech

SELECT "stories"."id"                     AS "Id",
       "stories"."title"                  AS "Title",
       "stories"."publication_id"         AS "Publication Id",
       "publications"."name"              AS "Publication Name",
       "story_authors"."authors"          AS "Authors",
       "stories"."date"                   AS "Date",
       "stories"."media_type"             AS "Media Type",
       "stories"."url"                    AS "URL",
       "stories"."length"                 AS "Length",
       "stories"."solutions_3"            AS "Solutions 3",

crashtech

Ruby on Rails, from MVC to GraphQL

As a Ruby on Rails developer, I'm always looking for the best tools and practices to apply to my day-to-day development. This framework has a fantastic structure where all its inner parts communicate very well. But, as applications start growing, or developers want to start using more modern technologies, several things start getting out of control.

Recent versions of Rails implemented Webpack, facilitating the use of modern JavaScript frameworks, which added another level of robustness to everyone's applications. Not only is this becoming the new standard, but it also enables bigger code-bases without falling into madness.

Facebook, as the creator of ReactJS (one of these modern JS frameworks and the most popular one) introduced to the world another of its technologies, GraphQL. This tool, like any other tool, can be a great asset, as long as it's in the right hands, meaning that you first need to know what role it plays before exploring how to use it in your RoR appli

crashtech

# app/models/topic.rb
class Topic < ApplicationRecord
  self.table_name = 'topic'
  
  ## Associations
  has_many :posts
  
  ## Validations
  validates :name, presence: true
end

crashtech

CHECKERS = {
  'cats'        => :>,
  'trees'       => :>,
  'pomeranians' => :<,
  'goldfish'    => :<,
}

def find_aunt(criteria, input)
  input.scan(/Sue (\d+): (.*)\n/).find do |(number, data)|
    break number if data.scan(/(\w+): (\d+)/).all? do |(item, value)|

crashtech

Small Crunchy Finger Basket
{"ref":"MenuItem:06129e99-923f-4e0d-8863-f4f295b5f419","id_field":"guid","pos_active":true,"title":"Small Crunchy Finger Basket","price":9.55,"image_url":"https://s3.amazonaws.com/toasttab/restaurants/restaurant-26036000000000000/menu/items/3/item-400000004246731573_1582403485.jpg","description":"3 fingers with 1 sauce and french fries.","tax_rate":15.5,"observation_flags":{"suspend_until_flags":{"sold_out_in_pos":"observed"},"alcohol_problems":{"observed_missing_alcohol_state_from_pos":"observed"}}}

Classic Fries
{"ref":"MenuItem:a9537c02-dc72-45a2-bddd-a8da9af5263d","id_field":"guid","pos_active":true,"title":"Classic Fries","price":4.45,"image_url":"https://s3.amazonaws.com/toasttab/restaurants/restaurant-26036000000000000/menu/items/2/item-400000004249845722_1582410894.jpg","description":"3/8th\" straight cut fries with crispy batter.","tax_rate":15.5,"observation_flags":{"suspend_until_flags":{"sold_out_in_pos":"observed"},"alcohol_problems":{"observed_missing_alcohol_state_f