(lxi) stackoverflow ruby report

This is the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2013-07-20 21:26:39 GMT

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1. Foo < Bar in Ruby - [8/3]
2. Why do my root nodes end up with themselves as the parent_id with acts_as_tree? - [5/1]
3. Yield all values from another iterator - [5/2]
4. Rubyish way to invert a regular expression - [4/5]
5. Search for an Array element beginning at a given index - [4/1]
6. RSpec2 error codes testing - [4/2]
7. Why is the << operation on an array in Ruby not atomic? - [4/4]
8. Waking up by push notification - [3/1]
9. How to sync the develop environment and tools among Mac machines for RoR - [3/2]
10. Can I create a method-scoped constant in Ruby? - [3/3]