(xxiv) stackoverflow ruby report

This is the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2012-11-04 07:28:47 GMT

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1. benchmarks: does python have a faster way of walking a network folder? - [20/2]
2. What does <%== %> do in rails erb? - [15/2]
3. How do string literals in ruby bypass new/initialize, and is there a way to instrument this? - [7/1]
4. Ruby weirdness: x == y && [x, y].uniq == [x, y] - [7/3]
5. Will UUID as primary key in PostgreSQL give bad index performance? - [6/1]
6. Rails: Validation in model vs migration - [5/1]
7. Why x = x does not raise an error even if x is undefined - [5/1]
8. rails ActiveRecord::Observer in plugin - [5/1]
9. Testing that rails model validates date with RSpec - [5/1]
10. in Ruby, how to extract a key from the Hash having the value - [5/4]