Category: Notes (Page 47 of 50)

Accessing a controller asynchronously usually requires writing a respond_to block in the corresponding action but I recently had the need to return a specific value in the same action based on the query string parameters.

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I’m in the process of building a Rails application and needed to introduce some autocomplete functionality on a couple of text fields.

If you’re using Rails 3 and are not working with jQuery and the jQuery UI library, then there is a solid gem you may want to checkout; otherwise, here’s how you can setup autocomplete on a text field using Rails 3, jQuery, and jQuery UI.

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First, create the directory out of which you’ll be running your project. Ultimately, this is going to be the repository:

mkdir project_name

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In previous version of Rails, it was suggested that individual tests could be run like this:

ruby -Itest test unit/test/category_test.rb

Since Rails 3, I’ve been unsuccessful at actually being able to run tests that way. Specifically, the environment dumps out a few errors messages and fails to execute the tests.

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