Dylan Markow questions

Dylan Markow answers

• Formatting a float to a minimum number of decimal places
• Best way to find a hash that contains a key, in an array of hashes in ruby?
• Ruby: 1.8.7: How do I find the indexes in an array where elements are not nil?
• Passing multiple parameters with Cucumber and Capybara
• actionmailer "from" setting
• sprintf broken in RubyMotion
• Given a list of strings, how can I determine what the shortest length of differentiation is?
• Why do my time-related unit tests break every day at 4pm?
• Rails 3.1 assets precompile questions
• ruby on rails has_many :through association which has two columns with same model