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def split_in_groups(values, cols=4) 
  cols.downto(1) do |col|
    group_size = (values.size / col.to_f).ceil - 1
...

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<% col_size = (friends.size/4.0).ceil %>
<% friends.in_groups_of(col_size, false) do |group| %>
  <div class=‘list‘>
...

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puts "#{show_value_or_default(@me, "JohnnyBusca",&:name)} is very happy!"

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# this method returns a default when the object does not exist or the value given in the block does not exist.
#
# Example:
...