(lxii) stackoverflow ruby report

This is the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2013-07-27 21:00:40 GMT

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1. Is it still possible to use test-unit in rails 4? - [7/1]
2. How does ruby keep track of variables - [5/1]
3. Sending keyboard shortcuts to chrome with Selenium and Ruby - [5/0]
4. Why is Rails middleware overhead so high when nginx is used as a proxy? - [4/1]
5. N+1 query with rails polymorphic association - [4/2]
6. Couldn't find file 'jquery-ui' - [4/2]
7. The ampersand operator with parameters - [4/2]
8. ruby 2.0 undefined method ObjectSpace.trace_object_allocations - [4/1]
9. Stop accepting input on pipe but read buffered data - [4/1]
10. Is there an equivalent in Javascript/Coffeescript/jQuery to Ruby's send? - [3/3]