Thanks to habits engrained by Rails 2’s link_to_remote and remote_form_for, we expect that Rails 3...
This note describes how to setup a box running Ubuntu to share its Internet connection with another PC.
Terminus is a Capybara driver where most of the driver functions are implemented in client-side JavaScript. It lets you...
CONCAT('foo', 'bar', NULL) = NULL the NULL always wins in MySQL. If you would rather treat NULL as...
Sometimes you inherit a non Rails or non Rack based web app such as PHP, Perl, Java / JEE, etc. I...
If a controller action responds to other formats than HTML (XML, PDF, Excel, JSON, ...), you can reach that code in...
You can now add an :inverse_of option to has_one, has_many and belongs_to associations.... Without :inverse_of...
This returns the name (including path) of your current layout: response.layout => "layouts/admin" # inside views that are using the 'admin' layout...
After switching to Rails 3 you may get a LoadError with the following message when trying to use your application...
You might find that your Passenger ignores all RailsSomething directives in the vhost for your new Rails 3 application. The...
You will need to upgrade to RSpec >= 2 and rspec-rails >= 2 for Rails 3. Here are some hints to...
Be careful when using params.merge as params is a HashWithIndifferentAccess. Why? Usually this should not be an issue but it...
In rare cases you might need something like form_for (for using form builder methods on the resulting block element...
I prefer the application that I'm currently working on to be reachable at http://localhost/. So when I switch...
Be careful when memoizing a method that returns a scope, e.g.: def variants scoped(:conditions => { :name => name }) end memoize :variants...
When using form_for you can give the form's target URL either as a string or an array:
The timepicker addon adds a timepicker to jQuery UI Datepicker, thus the datepicker (jQueryUI) is required for using any of...
If you previously used version 2.x of Thunderbird and upgraded to 3.x (for example through an Ubuntu release...
The ancestry gem allows you to easily use tree structures in your Rails application. There is one somewhat unobvious pitfall...
If you need to look at the list of methods that are called upon certain events (like before/after saving etc...
This can be helpful when you need the latest file inside a directory for processing in a shell script:
If you did file operations inside a shell or for example using Nautilus, it can take quite a while until...
Take care when trying to set attributes to nil in a blueprint. Given the following master blueprint: Story.blueprint do
If you get an ActiveRecord::RecordNotSaved error, a method inside one of your model's callback chains (before_save etc...