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...
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...
When using ActionMailer, you can set an array of email addresses as recipients. If this array is generated by e.g...
Back when Steak was first released, Capybara didn’t have any of the nice RSpec helpers it does now. A...
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...
List of global variables available to a Ruby script.
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...
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...
Type looking a little flabby? Overweight? Want to give it a kick in the pants? Take a look at some...
If in your application your users pass along params that result in filenames, like invoices/generated?number=123. This could be...
JavaScript Garden is a growing collection of documentation about the most quirky parts of the JavaScript programming language. It gives...
An overview of common vim commands, including: windows buffers undo/redo navigation bookmarks selection/whitespace clipboard shortcuts search/replace programming external filters