(xxiii) stackoverflow ruby report

This is the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2012-10-27 20:06:02 GMT

---

1. Ember.js or Backbone.js for Restful backend - [14/3]
2. Why is a string key for a hash frozen? - [9/4]
3. Efficient ways to duplicate array/list in Python - [7/2]
4. Rails invalid datetime on model results in nil - [6/1]
5. Devise Rspec registration controller test failing on update as if it was trying to confirm email address - [6/1]
6. God starts too many processes - [6/0]
7. All versions of Ruby as online-services - [6/3]
8. Ruby on Rails Database Deployment with Gerrit - [6/1]
9. Thinking in Ruby - [5/1]
10. exception_notification gem raises ActionView::Template::Error (code converter not found (UTF-8 to UTF-16)) only on Heroku production mode - [5/1]