(lx) stackoverflow ruby report

This is the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2013-07-13 19:28:40 GMT

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1. Ruby 2.0 throws "[BUG] Stack consistency error" - [8/1]
2. Inverting a hash with array values - [7/3]
3. Re-opened nested module anomaly in Ruby - [7/1]
4. Is there a way to know how many parameters are needed for a method? - [6/2]
5. cannot load such file -- 1.9/bcrypt_ext (LoadError) - [5/2]
6. Order of output - [5/4]
7. Getting Dynamically Generated HTML With Nokogiri/Open URI - [4/2]
8. Ruby performance with multiple threads vs one thread - [4/1]
9. Unable to pass command line arguments in Ruby 2.0.0 - [4/0]
10. Group array of hashes by key - [3/1]