如何使用linux脚本从1-500生成大小为1mb的随机文件。for i in {001..500}; for j in {001..001};
do dd if=/dev/urandomof=/home/h2h/pickup/AGENT_CH_${j}/AG_${j}_File${i}.csv bs=1M count=1
我在Red Hat Enterprise Linux Server版本6.7 (圣地亚哥)上安装了postfix和sendmail,我尝试按如下方式发送邮件:postdrop: warning: public/pickup is not a socketetc]# echo "Hello world" | mail ns906g@att.com
[root@mcsc
我正在试图找到一种在Bigquery中执行以下命令的更短的方法。select * from `taxirides.historical_taxi_rides_raw` and dropoff_latitude <=90 and dropoff_latitude >=-90
and pickup_longitude <=180 and pickup_longitud
SELECT count(*), MONTH(tpep_pickup_datetime)||'-'||DAYOFMONTH(tpep_pickup_datetime) AS dates, AVG(total_amount) AS avg_amountGROUP BY MONTH(tpep_pickup_datetime)||'-'||DAYOFMONTH(tpep_pickup_date