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)

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

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

SomeClass.extend WithLogger

Roman2K

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

Roman2K

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

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

From 3014a599a158c7ef1332bf3dbc6ca25c015c618e Mon Sep 17 00:00:00 2001
From: Roman Le Negrate <roman.lenegrate@gmail.com>
Date: Mon, 22 Dec 2008 22:30:20 +0100
Subject: [PATCH] only include acts-like-git specific modules when versioning gets configured

---
 lib/acts_like_git.rb                        |    7 +------
 lib/acts_like_git/active_record_ext/base.rb |    4 ++++
 2 files changed, 5 insertions(+), 6 deletions(-)

Roman2K

some.code(before)
eval(Pathname(__FILE__).dirname.join('_bar.pdf.prawn').read)
some.code(after)

Roman2K

def show
  # ...
  send_file_headers! \
    :disposition => 'attachment', :filename => "foo-#{@foo.to_param}.pdf",
    :type => Mime::PDF, :length => false
end

Roman2K

bounding_box [100, 600], :width => 200 do
  text "The rain in spain falls mainly on the plains " * 5
  stroke do
    line bounds.top_left,    bounds.top_right
    line bounds.bottom_left, bounds.bottom_right
  end
end