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An Entity of Type : prov:Entity, within Data Space : webisa.webdatacommons.org associated with source dataset(s)

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  • All too often, I found myself writing code like this:if !lead.address.nil? && !lead.address.empty?or this:if lead.contacts.nil? || lead.contacts.empty?In ruby everything is an object even Nil (null in .NETspeak) and everything is open for extension.
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