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1.检测是否已经安装了mysql rpm -qa | grep mysql 如果安装了就将其卸载,命令:rpm -e --nodeps 软件名 比如:rpm -e --nodeps mysql-libs-5.1.71-1.el6.x86_64 2.下载mysql 下载地址:https://dev.m 阅读全文
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Job JobDetail JobBuilder JobStore Trigger TriggerBuilder SimpleTrigger CronTrigger ThreadPool Scheduler Calendar JobListener TriggerListener Scheduler 阅读全文
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参考: http://www.diggerplus.org/archives/3110 http://www.cnblogs.com/jimmy-muyuan/category/820075.html https://blog.csdn.net/samxx8/article/details/4741 阅读全文
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ubuntu系统常用命令: https://www.cnblogs.com/ENU7/p/12163573.html 节点间复制文件 1.拷贝整个目录: scp -r /usr/local/test/ admin@hostname:/usr/local/ 2.拷贝单个文件: scp [-P port 阅读全文
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SELECT DISTINCT * FROM t[,t1] WHERE condition GROUP BY column HAVING conditions ORDER BY column [ASC|DESC] LIMIT N,M; AND,OR,LIKE LIMIT M OFFSET N;con 阅读全文
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1. @Controller @Service @Repository @Component 2. @Value 主要功能获取取配置文件中值注入到指定属性上,可以使用的地方:字段上,set方法上,方法入参上,当作元注解 @Autowired @Qualifier @Resource 3. @Scop 阅读全文
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哈哈哈。 package One; import java.util.Arrays; import java.util.Random; import java.util.Scanner; public class Main { public static Random r = new Rando 阅读全文