jena-elephas-stats: Could not resolve dependencies for project org.apache.jena:jena-elephas-stats:jar:3.1.1-SNAPSHOT: Failure to find org.apache.jena:jena-ele
phas-mapreduce:jar:tests:3.1.1-SNAPSHOT in https://repository.apache.orgreattempted until the update interval of
我从Firebase手册中得到这段代码,我想知道术语uid,AUTH.auth() here.Is it a variable是什么意思?observeSingleEvent(of: .value, with: { (snapshot) in
let value = snapshot.value as?