Note: ActiveRecord::Base#becomes has a lot of quirks and inconsistent behavior. You probably want to use ActiveType.cast instead.
Artifice allows you to replace the Net::HTTP subsystem of Ruby with an equivalent that routes all requests to a...
mitmproxy is an SSL-capable, intercepting HTTP proxy. It provides a console interface that allows traffic flows to be inspected...
There is a nasty bug in all version of Rails 2 and some versions of Rails 3.x where two...
If there is some weird margin at the top of your page for no apparent reason, chances are one of...
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...
Google’s Font Directory and API for web fonts could have a transformative effect on how we read the web...
At times, it might be unavoidable to have different CSS rules for Internet Explorer than for sane browsers. Using Sass...
Back when Steak was first released, Capybara didn’t have any of the nice RSpec helpers it does now. A...
The Ubuntu Documentation on LaTeX says, that the packages tetex are no longer supported. You can install the alternative texlive...
Phillip Koebbe from Ruby on Rails suggested inserting following code between the "bootstrap" and "initialize" sections of enviroment.rb. This hack...
The information in this card is only relevant for Rails 2.3-era apps. This note gives a quick introduction into...
If you just upgraded to Bundler 10.0.10 you might get the following error when bringing up Rails: /usr/lib/ruby/1.9.1/psych.rb:148:in...
Note that you cannot currently use Ruby 1.9.2 with Rails 2 applications that use RSpec, so don't upgrade if...
PhantomJS is a minimalistic headless WebKit. It has fast and native support for various web standards: DOM handling, CSS selector...
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...
Sometimes you need to dynamically load an image and do something as soon as its loaded (when for example its...
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...