(xxxiv) stackoverflow ruby report

This is the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2013-01-13 07:51:44 GMT

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1. SECURITY WARNING: No secret option provided to Rack::Session::Cookie - [33/2]
2. Advice on the implementation of a real-time trading system - [19/0]
3. Rails 3.2 - cache_control - [8/1]
4. What does *:: (asterisk double colon) do in Ruby? - [7/1]
5. What Ruby based mobile cross-platform solution to use? - [7/3]
6. Expand array with preferred default - [5/3]
7. Aggregate Event cost by month when Event ranges more than one month (in rails 3) - [5/1]
8. Writing a simple Windows 7 GUI app in Ruby - [4/2]
9. Parsing a date that can be in several formats in python - [4/3]
10. SQL sum of column value, unique per user per day - [4/2]