paul

{
  [
    {
      "_type":        "ServerError",
      "name":         "RuntimeError",
      "parameters":   {
  "format": null,
  "registered_template_id": "242",
  "action": "show",
  "id": "1727",

paul

class Exceptions < Application
  provides :sscj1
  
  # handle NotFound exceptions (404)
  def not_found
    standard_error if content_type == :sscj1
    render
  end

  # handle NotAcceptable exceptions (406)

paul

class Exceptions < Application
  provides :sscj1
  
  # handle NotFound exceptions (404)
  def not_found
    if content_type == :sscj1
      standard_error
      Merb.logger.info _template_for(:standard_error, :sscj1, controller_name, nil).inspect
      render :standard_error
    else

paul

# Turn [[WikiLinks]] into internal links.
# add the `wikiwords` filter to your list of filters, then you can write
# links to other pages in your webby app like this [[OtherPage]] and it will 
# automatically link that to "/OtherPage.html"
module WikiLinkHelper

  def linkify_bracketed_phrases(string)
    string.gsub(/\[\[([^\]]+)\]\]/) do
      begin
        link_to_page($1)

paul

irb(main):002:0> require 'uuidtools'
=> true
irb(main):003:0> id = UUID.random_create
=> #<UUID:0x-243e2990 UUID:2ed4542b-52ec-4f8e-b166-1514874bb169>
irb(main):004:0> things = {}
=> {}
irb(main):005:0> things[id] = "foo"
=> "foo"
irb(main):006:0> things[id]
=> "foo"

paul

irb(main):002:0> require 'uuidtools'
=> true
irb(main):003:0> u = UUID.random_create
=> #<UUID:0x-24390924 UUID:961537fc-4670-4088-a25d-814723d998e1>
irb(main):004:0> [u]
=> [#<UUID:0x-24390924 UUID:961537fc-4670-4088-a25d-814723d998e1>]
irb(main):005:0> [u].hash
RangeError: bignum too big to convert into `long'
irb(main):006:0> u.hash
=> 199494373121591421883459330646478526689

paul

irb(main):009:0> id = 2 ** 256
=> 115792089237316195423570985008687907853269984665640564039457584007913129639936
irb(main):010:0> things[[id]]
=> nil

irb(main):014:0> id = UUID.random_create
=> #<UUID:0x-2422d154 UUID:dc6d7b50-5720-425f-933d-6c9eb005208e>
irb(main):015:0> things[[id]]
RangeError: bignum too big to convert into `long'
        from (irb):15:in `hash'

paul

class PostgresAdapter

  def translate_attribute(attribute)
    case attribute 
    when Numeric
      attribute.value
    when String
      quote_string(attribute.value)
    when Array
      attribute.value.map { |v| translate_attribute(v) }.join(',')

paul

class DataMapper::Property

  # translate the value from external source to expected object
  def typecast(value)
    value
  end

  # translate the value from the primitive to expected object
  def load(value)
    value

paul

paul=# CREATE TABLE test (name VARCHAR(5));
CREATE TABLE
paul=# INSERT INTO TEST (name) VALUES ('123456');
ERROR:  value too long for type character varying(5)