词频统计 #创建表,只有一列,列名line create table word_count ( line string) row format delimited fields terminated by '\t' lines terminated by '\n'; #导入一篇文章到表里 load data local inpath '/home/dip/test/word_count.txt' #词频统计 select word ,count(*) as cnt from (select ex…
print("世界,你好") var myVariable = 42 myVariable = 50 let myConstant = 42 let implicitinteger = 70 let fffffff = 70.0 let exnfjenb: Double = 80 let changliang: Float = 4 var frewf: Double = 5 print(changliang) let label = "你哦好的" let wid…