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| require 'csv' | |
| def memstats | |
| size = `ps -o size= #{$$}`.strip.to_i | |
| end | |
| memstats #4900 | |
| CSV.open('visitors.csv', headers: true) do |csv| | |
| visitors = csv.each # Enumerator | |
| memstats # 5164 | |
| visitors.count{|v| v['Geolocation'] =~ /San Francisco/} | |
| end | |
| memstats #5164 |
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from episode 42 streaming of rubytapas