<http://webisa.webdatacommons.org/prov/47564284>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/402533353> .
<http://webisa.webdatacommons.org/402533353>	<http://www.w3.org/ns/prov#value>	"In general, classes that possess pointers, file handles, and other resources need a user-defined constructor to avoid aliasing." .
<http://webisa.webdatacommons.org/prov/100694388>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/402533353> .
<http://webisa.webdatacommons.org/402533353>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/402533353>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<devx.com> .