Douglas F Shearer questions

Douglas F Shearer answers

• remove "empty" elements from multidimensional array
• Really destroy acts_as_paranoid objects
• When would you NOT want to use memcached in a Ruby on Rails app?
• In MATLAB, how do I change the background color of a subplot?
• Finding lines in a text file matching a regular expression
• Database-safe Concurrency in ROR
• Generating graphs in a RubyOnRails application
• How to deserialize JSON objects
• Rails 3. Get most recent update
• "undefined method" for a rails model