razorcd

pg_restore -vwc -U postgres -d database_name file.dump

razorcd

#spec/support/model_helpers.rb
# use like this:
# it { is_expected.to have_validation ValidDatePresenceValidator,
#                                     :on => :start_date,
#                                     :options => [:allow_blank, :allow_nil]
#                                     }
RSpec::Matchers.define :have_validation do |validator, params|
  match do |model|
    my_validators = model.class.validators.select { |v| v.class == validator and v.attributes.include? params[:on] }
    my_validators = validators.select { |v| params[:options].all? { |po| v.options.any? { |vo| vo == po } } } if params[:options]

razorcd

#app/models/validators/valid_date_presence_validator.rb
 class ValidDatePresenceValidator < ActiveModel::EachValidator
  include DateHelpers

  def validate_each(record, attribute, value)
    unless valid_date? value
      record.errors[attribute] << ('is not a valid date')
    end
  end

razorcd

bm = ->(counter=1) {
  Benchmark.measure do
    counter.times do |i|
      Sponsorship.joins(:sponsor, :orphan).
                  where("sponsor_id = ?",1).
                  select("orphans.name as orphans_name, orphans.date_of_birth as orphans_date_of_birth, orphans.gender as orphans_gender").
                  to_a
      # puts i
    end
  end

razorcd

<!--
    HTML5 data- attributes using RESTful approach
    HTML5 specifies extensible attributes like data-foo=“bar” (or as in Twitter Bootstrap data-toggle=“modal”), which poses two problems for Rails.
    
    First, if you’re using symbol notation in link_to (for instance) to specify attributes, this fails (dash is not a valid symbol character), so:
-->
    <% link_to('Edit', '../main.html', :class => "btn", :data-toggle => "modal") %> <!-- INVALID!! -->

<!--
    There are two solutions: