If you want to manually check if e-mail delivery works on a machine by sending an e-mail you...
Note: ActiveRecord::Base#becomes has a lot of quirks and inconsistent behavior. You probably want to use ActiveType.cast instead.
There is a nasty bug in all version of Rails 2 and some versions of Rails 3.x where two...
Bryan talked about the differences between imperative and declarative scenarios. In my opinion, both styles have benefits and should be...
Within an event handler, there are multiple methods to cancel event propagation, each with different semantics. event.preventDefault() Only prevents the...
When using ActionMailer, you can set an array of email addresses as recipients. If this array is generated by e.g...
The information in this card is only relevant for Rails 2.3-era apps. This note gives a quick introduction into...
Note that you cannot currently use Ruby 1.9.2 with Rails 2 applications that use RSpec, so don't upgrade if...
Sometimes you can make your life easier by not allowing a record attribute to be changed after the record was...
ActiveRecord comes with a method touch which sets the updated_at timestamp to the current time. Unfortunately it also runs...
blueprint is DevStructure’s workhorse tool that looks inside popular package managers, finds changes you made to configuration files, and...
Specify these gem versions in your Gemfile: gem 'cucumber', '~> 1.3.0' gem 'cucumber-rails', '= 0.3.2' # max version for Rails 2
I don't like those buttons inside the header area of a message that Thunderbird 3 put there. Though the...
Cucumber scenarios that are tagged with @javascript so they run with Selenium are very slow. You might not want to...
If you plan to insert an existing PDF into a new LaTeX document that you will compile to PDF, you...
Merging .po-files with Git is painful. There have been attempts of making Git more clever when trying to merge...
The shell variable PS1 holds your bash prompt. You might want to change it to serve your needs best. Here...
Add deprecation warnings and their solution or link to available solutions. Global access to Rake DSL methods is deprecated. Please...
If in your application your users pass along params that result in filenames, like invoices/generated?number=123. This could be...
Pie sometimes does not properly redraw elements upon changes. This often happens when the change comes from somewhere further up...
JavaScript Garden is a growing collection of documentation about the most quirky parts of the JavaScript programming language. It gives...
The attached RSpec matcher exist_in_database checks if a given record still exists in the database and has not...
When you need to insert many records into the same table, performance may become an issue. What you can do...
We are maintaining some vintage projects with tests written in Test::Unit instead of RSpec. Mocks and stubs are not...