https://developer.huawei.com/consumer/cn/forum/topic/0202775562683000448[......]
Flink双流join原理
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Author Archives: coder4
短信验证服务
https://sms-activate.org/[......]
如何找到含有字符串A同时不含字符串B的文件
find . -type f -name "*.c" \( -exec grep -q "A" {} \; ! -exec grep -q "B" {} \; \) -print
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将大量文件分别移动到多个文件夹
LISTFILESCMD='ls *.jpg'
FQUANTITY=3000
FOLDERLIST=`seq -w 1 10`
for FOLDER in $FOLDERLIST; do mkdir $FOLDER; mv `$LISTFILESCMD | head -n $FQUANTITY` $FOLDER; done
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