A quick work-around to get rake assets:precompile to work when using the jruby-complete.jar.
If you're giving a workshop, I recommend checking out Vagrant, VirtualBox, and puppet or chef for creating the workshop development environment.
Email clients all seem to display HTML mails differently. Here are a few tools I've used to make implementing Rails email templates a bit less painful.
If you're frustrated by startup delays in Ruby on Rails, try Zeus.
ActiveRecord's query interface is very powerful, but sometimes it will not generate the SQL you expect. Here's one approach to overriding this.
I recently found out that IE can't handle more than 4,095 selectors in a single CSS file. Here's my work-around.
Using warbler-exec, we can use the .war file itself to run the migrations without needing to transfer another copy of the rails app for this purpose.
If you're developing a Ruby on Rails application on OS X, you'll need this workaround to keep Font Awesome from crashing capybara-webkit.
After much experimentation, I’m actually happy with how my Rails project is being tested with TeamCity.
With a few changes to our Capistrano configuration, we are able to deploy directly from the source code repository.
Pry has great support for plugins. Here are some that I've found most useful.
Rails does a lot of magic to parse the data browsers submit into a meaningful, complex Ruby object. Here's how it does it.