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mysql: select tablename.from from tablename;postgresql: select "from" from tablename;sqlserver: select [from] from tablename;我那个脑残同事把列名写成了from。 阅读全文
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http://www.aichengxu.com/article/Java/18368_2.htmlhttps://blogs.oracle.com/poonam/entry/understanding_cms_gc_logshttp://www.theserverlabs.com/blog/201... 阅读全文
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http://www.cnblogs.com/zeroone/archive/2010/05/05/1727659.htmlUNIX_TIMESTAMP() UNIX_TIMESTAMP(date) 返回一个Unix时间戳(从'1970-01-01 00:00:00'GMT开始的秒数,date默认... 阅读全文
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http://crashmag.net/disable-filesystem-check-fsck-at-boot-timeDisable the filesystem check (fsck) at boot time11/08/2012 crashmag Leave a comment ... 阅读全文
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api docs说的很清楚,不需要去搜索, org.quartz 类 CronExpressionjava.lang.Object org.quartz.CronExpression所有已实现的接口:java.io.Serializable, java.lang.Cloneablepublic ... 阅读全文
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apt-get install ntpdatentpdate 133.100.9.2[root@10.10.10.74 /data]$ lsof -i:123COMMAND PID USER FD TYPE DEVICE SIZE NODE NAMEntpd 5003 ntp 16u IPv4 10... 阅读全文
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watch tail -n 50 debug.log 阅读全文
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-Dorg.eclipse.ecf.provider.filetransfer.excludeContributors=org.eclipse.ecf.provider.filetransfer.httpclient-Dhttp.proxyPort=8080-Dhttp.proxyHost=mypr... 阅读全文
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http://xeseo.blog.163.com/blog/static/56324316201162861734908/ 阅读全文
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http://staff.ustc.edu.cn/~sycheng/sst/exp_crack/ELF.pdfhttps://refspecs.linuxbase.org/elf/TIS1.1.pdfhttp://www.ibm.com/developerworks/cn/linux/l-excut... 阅读全文