With the impending release of Ruby on Rails 4, it looks like a lot of developers will be updating their...
I’ve worked on huge applications in Ruby and Rails before. I very much want to believe in DCI, but...
You can define methods in any example group using Ruby's def keyword or define_method method: describe "example" do...
If you ever wondered why a constant wasn't defined or wasn't available where you expected it to be...
Great solution in a GitHub issue.
So you are debugging like a boss and lost track of where you actually are in your code? No problem...
I am talking about development speed. When your application starts growing and you start adding gems, it starts to take...
The gem author Jonas Nicklas highlights in a Google Groups post that the release is not backwards compatible to 1...
The very useful andand gem does not play very nice with Ruby's SimpleDelegator (or vice versa). This following will...
When you have two models in a has_many, has_one or belongs_to association, the :inverse_of option in...
Capybara gives you two different methods for executing Javascript: page.evaluate_script("$('input').focus()") page.execute_script("$('input').focus()")
Rarely, you might want to rebuild all gems with native extensions, because they might be compiled against outdated system libraries...
url = 'http://www.foocorp.com/foo/bar' URI.parse(url).host # => www.foocorp.com Note that this will raise an error if the given argument is...
If you require your Rails models manually, pay attention to the path you use. Unless you have...
The linked slidedeck holds many tips, of which I list the most interesting to me below DATA and END
The __END__ keyword tells Ruby where a file ends – but you don't have to stop there. Any text you...
Ruby's mathn library changes Fixnum division to work with exact Rationals, so 2 / 3 => 0 2 / 3 * 3 => 0...
Simply use OpenStruct#to_h to receive an OpenStruct's hash representation. In older Rubies you need OpenStruct#marshal_dump...
Ever wanted autocompletion for paths from paths.rb in Cucumber? This card lets you write your steps like this:
In a nutshell: return statements inside blocks cause a method's return value to change. This is by design (and...
If you get errors from your development WEBrick that contain unicode salad, you are probably requesting the page via SSL...
With the the Ruby Tempfile class you can create temporary files. Those files only stick around as long as you...
RubyMine: Set specific Ruby version per project
I was experiencing the following problem: It seems your ruby installation is missing psych (for YAML output). To eliminate this...