When running bundle install you get the following error: Could not verify the SSL certificate for https://rubygems.org/.

It's not as simple as you might think checking that you've got an up-to-date version of...

If you're seeing spec failures, e.g. FooController PUT update when unsuccessful renders edit' FAILED expected "edit", got nil

This took lots of figuring out, so I'm going to document it here. Install debugging gems on vagrant server...

if you want to see how quick/slow a command is in irb you can paste or mixin the following method...

If you'd like to switch to the Rubygems server, please see our installation instructions.

Rails 3.2 support is available to all subscribers on a Startup, Standard or Enterprise plan. To swap out the official...

When comparing a date or time that has come from the database there may be slight differences that are not...

A good article which explains how to add sprockets to Rails 2.3 to provide asset pipeline functionality.

when upgrading from Rails 3.2 to 4.0 I encountered an issue trying to run the app: /var/lib/gems/1.9.1/gems/actionpack-4.0.13/lib/action_dispatch/middleware/stack.rb:107:in `delete...

From Draper v1.0 your decorators need to inherit from Draper::Decorator so: class BookingDecorator < Draper::Decorator instead of: class BookingDecorator...

While trying to upgrade from Rails 3.2 to 4.0 I had this problem when starting the app: NoMethodError: undefined method...

While trying to upgrade an app from Rails 3.2 to 4.0, when trying to run the app I got the...

Issue when upgrading from Rails 3.2 to Rails 4.0, having run bundle update rails...

...to update Rails and other gems...

It may also be possible to upgrade higher according to this post: http://blog.lucascaton.com.br/index.php/2014/02/28/have-a-rails-2-app-you-can-run-it-on-the-newest-ruby/

If you get errors such as error:14090086:SSL routines:SSL3_GET_SERVER_CERTIFICATE:certificate verify failed while accessing...

...and...