January has been a very bad month for Ruby on Rails developers, with two high-severity security bugs permitting remote...
If you worked with a system Ruby before switching to RVM, this system Ruby will be in your way when...
If you use Tempfile and pass your own filename containing an extension, it will just be consumed by the Tempfile...
Use Socket.gethostname. So for a machine whose hostname is "happycat", it will look like this: >> Socket.gethostname => "happycat" That should work...
While you are probably using will_paginate to paginate ActiveRecord scopes, it can actually paginate plain Ruby arrays. The resulting...
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. These helper methods...
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Rarely, you might want to rebuild all gems with native extensions, because they might be compiled against outdated system libraries...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: