<http://webisa.webdatacommons.org/prov/261295432>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/272498490> .
<http://webisa.webdatacommons.org/272498490>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/272498490>	<http://www.w3.org/ns/prov#value>	"I have heard some people say that using pointers in Objective-C is a matter or experience, i.e. some classes demand that you use pointers, others don't." .
<http://webisa.webdatacommons.org/272498490>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<stackoverflow.com> .