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Scott Q&A: How to include a Rails text field without a variable?

The form helpers in Rails are great. But what do you do when you want to collect some data that’s not tied directly to a variable in your model?

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Scott Passing :id When Rendering a Component

For the time being I’ve decided to forgo acts_as_tree and roll my own solution for nested list display. At this point I don’t think I really need to parse and display the entire tree in one fell swoop, it seems more natural to display the top level and retrieve children of a node when the user clicks and expands the node.

Since my “list” action has been doing fine to display list items, I quickly made it context-aware and used it as a component to render the children of a node when an item is expanded. Consulting my rails book I tried to render like this:

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3DM Design is where Scott Drake publishes thoughts on programming web applications in JavaScript and Ruby.