arturopie

Rules for building Domain Events

Rule #1: Naming is hard - really hard

A Domain Event is:

Something that has already happened, and therefore should be named in past tense It should be named in business language (Ubiquitous Language) Represents a state change Something that will never change (the record is written once and never edited afterwards)

arturopie

require 'aws-sdk'

# Return only a single running instance with the Name tag specified

class EC2Helper
    def self.GetIdFromName(name)
        instances = Array.new
        # Filter the ec2 instances for name and state pending or running
        ec2 = Aws::EC2::Resource.new(region: ENV['AWS_DEFAULT_REGION'])
        ec2.instances({filters: [

arturopie

posts = IndexQueryBuilder.query Post, with: filters do |query|
  query.filter_field [:comments, :text], contains: :comment_text
  query.order_by "view_count DESC"
end

arturopie

conditions_strings = []
conditions_params = {}

unless filters[:comment_text].blank?
  conditions_strings << "comments.text ILIKE :comment_text"
  conditions_params[:comment_text] = "%#{filters[:comment_text]}%"
end

conditions = (conditions_params.empty? ? "" : [conditions_strings.join(" AND "), conditions_params])

arturopie

Keybase proof

I hereby claim:

• I am arturopie on github.
• I am arturo_nulogy (https://keybase.io/arturo_nulogy) on keybase.
• I have a public key whose fingerprint is D0EA 60F3 EA18 4418 33CC 970C 5F5D 1814 E167 2015

To claim this, I am signing this object:

arturopie

unless File.exist?('Gemfile')
  File.write('Gemfile', <<-GEMFILE)
    source 'https://rubygems.org'
    gem 'rails', github: 'rails/rails'
    gem 'arel', github: 'rails/arel'
    gem 'rack', github: 'rack/rack'
    gem 'i18n', github: 'svenfuchs/i18n'
    gem 'sqlite3'
  GEMFILE

arturopie

# setup: gem install observr
# usage:
# observr run_js_specs.rb 

watch('spec/.*_spec.js') { |_| run_all_tests }
watch('client/.*.js') { |_| run_all_tests }

def run_all_tests
  puts "RUNNING ALL TESTS"
  system 'xvfb-run --auto-servernum node_modules/karma/bin/karma start karma.amd.conf.js --single-run'

arturopie

# First, install gem faker:
# $ gem install faker
# Usage:
# $ ruby file_generator.rb > file.in

require 'faker'

NUM_OF_WORDS = 1000

NUM_OF_WORDS.times do

arturopie

Starting Zeus server
[ready] [crashed] [running] [connecting] [waiting]
boot
└── default_bundle
    ├── development_environment
    │   └── prerake
    └── test_environment
        ├── test_unit
        ├── acceptance_test
        └── rspec

arturopie

  $require_level = []
  alias :orig_require :require
  def require(file)
    puts "#{$require_level.join}#{file}"
    $require_level << "-"
    r = orig_require(file)
    $require_level.pop
    r
  end