What is the _snowman param in Ruby on Rails 3 forms for?

What is the _snowman param in Ruby on Rails 3 forms for?

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Rails hidden field undefined method 'merge' error

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Labels for radio buttons in rails form

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Rails: How do I use hidden_field in a form_for?

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Why is the first element always blank in my Rails multi-select, using an embedded array?

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Ruby on Rails: Submitting an array in a form

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Rails 3. How to display two decimal places in edit form?

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Rails: Multi-submit buttons in one Form

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accepts_nested_attributes_for with find_or_create?

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In Rails when a resource create action fails and calls render :new, why must the URL change to the resource's index url?

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How to edit a Rails serialized field in a form?

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Multiple objects in a Rails form

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Submit POST data from controller to another website in Rails

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How to keep a checkbox and label on the same line in a Rails form?

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