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HTML code:
<%= link_to_if_authorized l(:field_search_title), {:controller => 'books', :action => 'search', :project_id => @project, :title => @title} %>
<%= text_field_tag 'title', @title, :size => 30, :onchange => "#{@title} = this.value" %>
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class Array
def uniq_by
seen = {}
select{ |x|
v = yield(x)
!seen[v] && (seen[v]=true)
}
end
end
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---- ChangeStr.rbÄÚÈÝ ------------------------------------------
def change_str(num)
str = num.to_s
nil while str. ......
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