Rails Cookbook (Cookbooks (OReilly))

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%d date format string option

data access times, speeding up

data integrity, enforcing

data streams, sending to browsers

@data variable

--database=database_type option (rails)

databases

     Active Record, modeling with

     find, retrieving records with

     images, uploading to

     migrations, developing with

     MySQL

     ORM (object relational mapping) and

     pluralization patterns and

     PostgreSQL

     rows nested with acts_as_tree method

     scaffolding, development with

     schema, defining programmatically

     serving images from

     sessions, storing in

     setting up to use rails

     test databases, initializing

datasets, displaying with pagination

date columns

Date object

dates

datetime columns

db directory

db:test:clone_structure task (Rake)

Debian GNU

     mod_fastcgi and

     MySQL, installing

     PostgreSQL, installing

     Pound, installing

DEBUG (benchmark method)

debugging 2nd

     breakpointer and

     -cw option and

     exceptions, emailing

     filtering development logs

     HTTP communication with Firefox extensions

     JavaScript

     logger class, logging with

     object contents, displaying with exceptions

     Rails console, exploring

     ruby-debug and

     writing information to files

decrement_position method

default application layouts

delete helper (Capistrano)

DELETE method

delete method

     testing controllers and

delete statement (SQL)

deploying

     Pound

deployment

     Capistrano

         custom tasks, writing

         mongrel_cluster and

         multiple environments and

:descendant option (assert_tag)

destroy method

development

development mode

development runtime environments

Diceware method

dictlist method (Word class)

disable_web task (Capistrano)

discover command (plugin) 2nd

discrete graphs

div element object

Docbook controller

documentation, finding

DOM (Document Object Model)

     JavaScript, debugging

:domain parameter (ActionMailer::Base.server_settings)

domain specific language (DSL)

dot (.), creating Subversion repositories

download parameter

DRbStore 2nd

DRY (don't repeat yourself)

DSL (domain specific language)

dynamic attribute-based finders in Active Record