Creating Forms with Ruby on Rails

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HTML Editor or Rich Text Editor for Your Ruby on Rails Apps
fieldWithErrors
Graeme Nelson

How to fix Rails’ form markup so that error fields are wrapped in a span, as they should be, rather than a div, as the Rails code does.
Ajaxariffic autocomplete with scriptaculous
Amy Hoy
Creating Variable Number of Models in One Form
Ryan Bates

How to create a form that allows users to add multiple copies of a model, using RJS.
Updating Select Controls with Ajax
Kevin Olbrich

Simple method for implementing dependent select controls, using the KRJS plugin.
Select helper methods in Ruby on Rails

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Links

Documentation (106)
- How to use collection_select with HABTM
  Documents the simple but obscure syntax to make a multiple-select select widget work properly with a HABTM association.
Screencasts (136)
Software (171)
- WYM on Rails
  Plugin for integrating the WYM editor into Rails.
- Pretty Accessible Forms
  Rails plugin to implement the pretty accessible forms design from A List Apart.
Cheat Sheets (11)
- Ruby on Rails Cheatsheets
  Nice cheatsheets for various aspects of Rails, including Active Record validation errors, migrations, form helpers, and Action Mailer.

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