About: http://webisa.webdatacommons.org/226415997

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Give a one-line C expression to test whether a number is a power of 2. [No loops allowed ??? it???s a simple test.] if (x && !(x & (x-1)) == 0) (a-1) xor a == 0 ??? What does this do? a is a power of 2.
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.com