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end_collection
2008 Jan 01
7
in_vertical_groups_of
...night I decided I really needed this vertical grouping,
so ...
module ActiveSupport
module CoreExtensions
module Array
module Grouping
def in_vertical_groups_of(number, fill_with = nil, &block)
collection = dup
per_column = (collection.size.to_f / number).ceil
new_collection = []
(0...per_column).each do |i|
(0...number).each do |multiplier|
offset = i + (per_column * multiplier)
new_collection << (offset < collection.size ? collection
[offset] : (fill_with != false ? fill_with : nil))
end
end
return new_co...