replaid

sh my-fancy-script.sh input.txt > log-file

replaid

...

def check_for_pollution
  tables_with_records = []
  all_tables = ActiveRecord::Base.connection.tables
  all_tables.each do |table_name|
    has_records = (ActiveRecord::Base.connection.select_value("select exists (select 1 from #{table_name} limit 1)") > 0)
    tables_with_records << table_name if has_records
  end
  expected_tables_with_records = ['schema_migrations']

replaid

# Adapted for Rails 4 from http://trevorturk.com/2008/09/20/validating-your-fixtures/
# I put this in test/models/. Trevor put his in test/integration/.

require 'test_helper'

class FixtureValidationTest < ActiveSupport::TestCase

  test "fixtures should be valid" do
    models = ActiveRecord::FixtureSet.all_loaded_fixtures.keys
    models.each do |model|

replaid

  ActiveRecord::Base.connection.tables.each do |table_name|
    ActiveRecord::Base.connection.execute("select * from #{table_name} into outfile '/tmp/datadump-#{table_name}.outfile'")
  end

replaid

components/
  my_bounded_context/
    app/
      presentation/      # This is called the "UI" layer in DDD literature, but it is also 
                         # where things like JSON interfaces live -- any kind of presentation 
                         # or handshake to anything outside. So "presentation" rather than "ui".
        assets/
        helpers/
        mailers/
        views/

replaid

require 'domain'
require 'persist/rom'
require 'persist/users_relation'

rom = ROM.env
p rom

Domain::Repository::User.delegate = rom.relation(:users).as(:user)

replaid

Keybase proof

I hereby claim:

• I am replaid on github.
• I am rep (https://keybase.io/rep) on keybase.
• I have a public key ASCQqLi-yHok4PIouZjkILaJ5jUFRMrj__Ebwe-uaqpKJwo

To claim this, I am signing this object:

replaid

Restaurant Recommendations

We want to demonstrate how easy it is to model a domain as a graph and answer questions in almost natural language.

Graph Based Search and Discovery is prominent a use-case for graph databases like Neo4j.

replaid

class FlattenEnum
  class << self

    # Returns an enumerator that yields the non-enumerable items from within a
    # nested enumerable, in depth-first order.
    #
    # Example:
    #
    # FlattenEnum.create([[1, 2, [3]], 4]).to_a
    # #=> [1, 2, 3, 4]

replaid

irb(main):001:0> module Mixin; end
=> nil
irb(main):002:0> class A
irb(main):003:1> include Mixin
irb(main):004:1> end
=> A
irb(main):005:0> a = A.new
=> #<A:0x007fbaea8a89a8>
irb(main):006:0> a.is_a? Mixin
=> true