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class Post < ActiveRecord::Base
  after_commit :notify_editors,     on: :create
  after_commit :generate_feed_item, on: :create

  private
  def notify_editors
    EditorMailer.send_notification(self).deliver_later
  end

  def generate_feed_item

nburkley

# Get CSR MD5
openssl req -noout -modulus -in my_csr.csr | openssl md5

# Get cert MD5
openssl x509 -noout -modulus -in my_cert.crt | openssl md5
 
# Get Key MD5
openssl rsa -noout -modulus -in my_key.key | openssl md5

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case testvalue do
  n when n in [200, 400] ->
    true
  _ ->
    false
end

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# in test/test_helper.exs 
ExUnit.configure(timeout: :infinity)
ExUnit.start
# ...

# when using ecto change/add ownership timeout in config.exs
config :myapp, MyApp.Repo,
  adapter: Ecto.Adapters.Postgres,     # not important
  username: "mydatabaseuser",          # not important
  database: "myapp_test",              # not important

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defmodule Tester do
  defstruct [:first, :second]

  def foo_to_bar(struct = %{__struct__: struct_module}) do
    updated_list =
      struct
      |> Map.from_struct
      |> Enum.map(&transform_value/1)
      struct(struct_module, updated_list)
  end

nburkley

neovim/neovim#2048 (comment)

• Edit -> Preferences -> Keys
• Press +
• Press Ctrl+h as Keyboard Shortcut
• Choose "Send Escape Sequence as Action"
• Type [104;5u for Esc+

nburkley

 # binding to localhost
 rails s -b 127.0.0.1 -p 3000
 
 # bind to lvh.me
 rails s -b lvh.me -p 3000 

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SELECT
  pgClass.relname   AS tableName,
  pgClass.reltuples AS rowCount
FROM
  pg_class pgClass
LEFT JOIN
  pg_namespace pgNamespace ON (pgNamespace.oid = pgClass.relnamespace)
WHERE
  pgNamespace.nspname NOT IN ('pg_catalog', 'information_schema') AND
  pgClass.relkind='r';

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users_by_locale.each do |locale, locale_users|
  I18n.with_locale(locale) do
     mail(
        bcc: locale_users.map(&:email),
        subject: I18n.t('user_mailer.new_follower.subject')
     )
  end
end

private

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In your compose file, map volum to a local folder that contains the database dump file

db:
  image: postgres:9.4.1
  volumes:
    - tmp:/tmp/dumps

Run the application using docker-compose up