摘要：
壹Try胜仟言别忘了 import scala.util.matching._scala> var s = "a_b_c_d_e"s: String = a_b_c_d_escala> val regex = new Regex("^([^_]*)_([^_]*)_([^_]*)_(.*)$")re... 阅读全文
摘要：
在spark-shell中将数据保存到cassandra：var data = normalfill.map(line => line.split("\u0005"))data.map( line => (line(0), line(1), line(2))) ).saveToCassandra( ... 阅读全文