Roman2K

def insert!(model, attributes={})
  attributes = attributes.stringify_keys
  begin
    record = model.new {|r| r.send(:attributes=, attributes, false) }
    def record.callback(*args)
      # inhibit all callbacks
    end
    record.save(false)
  rescue ActiveRecord::StatementInvalid
    if $!.message =~ /Column '(.+?)' cannot be null/

Roman2K

class Post < ActiveRecord::Base
  validates_length_of :title, :minimum => 4
  
  def custom_method
    title.scan(/./).join(' ').upcase
  end
end

Roman2K

def nil_blank_count(object)
  object.attributes.values.select(&:present?).size
end

Roman2K

# Untested
module WithLogger
  attr_writer :logger
  
  def logger
    @logger ||= Rails.logger
  end
end

SomeClass.extend WithLogger

Roman2K

# Test helper for painless record creation. Details at:
#   http://roman.flucti.com/painless-record-creation-with-activerecord
#
def insert!(model, attributes={})
  attributes = attributes.stringify_keys
  begin
    record = model.new(attributes)
    def record.callback(*args)
      # inhibit all callbacks
    end

Roman2K

#!/usr/bin/env ruby

# Sort entries by content size. Usage:
#   sortbysize [<directory>='.']
#
# This script is documented at:
#   http://roman.flucti.com/sorting-directories-by-content-size-with-ruby
#

class Entry < Struct.new(:size, :unit, :name)