(xiii) stackoverflow ruby report

This is the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2012-08-19 07:36:01 GMT

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1. How to add RDoc documentation for a method defined using class_eval? - [5/1]
2. lambda's method? Mats' example code confuse me . - [5/2]
3. where to put helper methods for controllers only? - [5/5]
4. Does Ruby have atomic variables? - [5/3]
5. Why does ruby let me use #$$ to print the PID in a string? - [5/1]
6. What is the proper way to use methods that return an enumerator in Ruby array? - [4/2]
7. Should I run tests with Ruby 1.9.2 if they pass in 1.8.7 and 1.9.3? - [4/1]
8. Top level constant referenced by warning for Mongoid model - [4/0]
9. is there anyway to undo a an activerecord delete in rails console? - [4/2]
10. How do you model "Likes" in rails? - [4/4]