1, the troubled days of no response sbt installation problem solving (in fact, the network is poor, and replaced with 4G hotspot to download)
2, complete Experiment 5 content, understanding DataFrame, RDD program operation.
1, the troubled days of no response sbt installation problem solving (in fact, the network is poor, and replaced with 4G hotspot to download)
2, complete Experiment 5 content, understanding DataFrame, RDD program operation.