(li) stackoverflow ruby report

This is the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2013-05-11 20:41:17 GMT

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1. Why are constants from extended module not available in class methods declared with self.? - [8/1]
2. Ruby: Understanding _why's cloaker method - [7/1]
3. Rails application config access slow - why? - RESOLVED - [5/3]
4. schema.rb messed up due to migrations in other branches - [5/1]
5. RVM use list[0] - [5/3]
6. Result of NULL != value in an SQL query (postgres and rails3) - [5/3]
7. Building a lazy sequence out of IO data - [4/2]
8. How to reference ruby regular expressions - [4/4]
9. What is the difference between << and +=? - [4/3]
10. Get common values from table using ruby - [4/2]