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jeffharnois/gist:9677637

Created March 21, 2014 01:19
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gistfile1.coffee
arr1 = ['T-GEO-US', 'T-GEO-CA']
arr2 = ['T-GEO-US', 'T-GEO-GA']
targetings = [arr1, arr2]
# we want only T-GEO-US to be returned
# Current:
flatTargetings = [].concat.apply [], targetings
# flatTargetings = ['T-GEO-US', 'T-GEO-CA', 'T-GEO-US', 'T-GEO-GA']
geoTargetings = _.uniq flatTargetings
# geoTargetings = ['T-GEO-US', 'T-GEO-CA', 'T-GEO-GA']
# Should be:
geoTargetings = _.intersection arr1, arr2
# geoTargetings = ['T-GEO-US']
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