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for file in $1/* do if [ -f $file ] then SUFFIX=${file#*BK} PREFIX=${SUFFIX%%_*} CURRENT=`date -d -7day +%Y%m%d` if [[ $CURRENT... 阅读全文
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Step 1: Go to Help -> Install New Software -> click on 'Add' Step 2: On pop-up fill these below details: Name: JavaDecompiler Location: http://jd.beno 阅读全文
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The operation cannot be rolled back. DROP and TRUNCATE are DDL commands, whereas DELETE is a DML command. Therefore DELETE operations can be rolled ba 阅读全文
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网上很多使用的是getProperties。说获得系统变量，但是其实不正确。getProperties中所谓的"system properties"其实是指"java system"，而非"operation system"，概念完全不同，使用getProperties获得的其实是虚拟机的变量形如： 阅读全文