(ix) stackoverflow ruby report

This is the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2012-07-22 08:02:51 GMT

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1. Rails, how to migrate large amount of data? - [7/0]
2. Should all ruby files have a module structure that matches the folder structure? - [6/2]
3. how to do number to string suffix - [5/2]
4. Including a module in other module - [5/2]
5. ActiveRecord query: where a field is not true - [5/2]
6. ruby module_function vs including module - [5/2]
7. Is there any expression in python that similar to ruby's ||= - [5/4]
8. How does the "#map(&proc)" idiom work when introspecting module classes? - [4/2]
9. Setting hash equal to another hash in Ruby - [4/4]
10. Check if a hash's keys include all of a set of keys - [4/3]