(lv) stackoverflow ruby report

This is the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2013-06-09 05:34:46 GMT

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1. Are `save` and `save!` the only methods that persist ActiveRecord objects? - [9/1]
2. Proc.arity vs Lambda.arity - [8/3]
3. Comment on a Facebook post Using Api - [5/1]
4. Is there any Rails Gem for manage web application User Manual? - [5/1]
5. Is there a short way to write `{|x| x}`? - [5/2]
6. Vim slow with ruby syntax highlighting - [4/3]
7. How can I pick coordinate from Google map in rails? - [4/1]
8. Identifying whitespace vs other character runs in a string - [4/2]
9. Models not reloading in development in Rails (3.2.11) project - [4/1]
10. Is there anything in Node.js like scaffold in Rails? - [4/2]