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获取页面传递字符 String data = req.getParameter("data"); String imageData=data.substring(data.indexOf(",")+2, data.length()-2); //System.out.println(imageData.indexOf("\\")); //String s="\\"; //imageData=imageData.replaceAll(s, " "); image ...
项目中遇到 word动态替换参数,及图片的问题、总结一下 maven pom.xml jar包导入 <!-- poi --> <dependency> <groupId>org.apache.poi</groupId> <artifactId>poi</artifactId> <version>3.12</version> </dependency> <dependency> <groupId>org. ...

java

转: http://blog.csdn.net/zgmzyr/article/details/8267072
public static String decode(String str62) { String[] ss = split(str62, 4); StringBuilder sb = null; for (String s : ss) { s = toDecString(s); if (sb == null) { sb = new StringBuilder(s); } else { ...
StringWriter errors = new StringWriter(); e.printStackTrace(new PrintWriter(errors)); logger.error("downalod exception:"+e.getMessage()+"\t"+errors.toString());

php monitor 发送邮件

    博客分类:
  • php
monitor 脚本需要 crontab 任务设置,定时来执行。
引用 #!/bin/bash ps aux|grep java|grep -v grep|awk '{print "kill -9",$2}'|sh cd /opt/app/ium/bin nohup ./start-web.sh >/dev/null & cd /opt/app/ium_wgh/bin nohup ./start-web.sh >/dev/null &
引用 #!/bin/bash echo `date +%Y-%m-%d` >> ./rmCharlog.log find /opt/app/ium/log/system -mtime +1 -exec rm -rf {} \; find /opt/app/ium_wgh/log/system -mtime +1 -exec rm -rf {} \; find /usr/local/apache/logs -mtime +1 -exec rm -rf {} \; echo "************************************************ ...
MySQL 自4.1版以后开始支持INSERT … ON DUPLICATE KEY UPDATE语法,使得原本需要执行3条SQL语句(SELECT,INSERT,UPDATE),缩减为1条语句即可完成。 例如ipstats表结构如下: CREATE TABLE ipstats ( ip VARCHAR(15) NOT NULL UNIQUE, clicks SMALLINT(5) UNSIGNED NOT NULL DEFAULT '0' ); 原本需要执行3条SQL语句,如下: IF (SELECT * FROM ipstats WHERE ip='192.16 ...
环境介绍:主库 192.168.13.13 从库 192.168.0.115   1、主库创建/etc/my.cnf,修改[mysqld]里边的键值打开   server-id = 1   log-bin=mysql-bin   binlog-do-db=temp_db #同步的表   binlog-ignore-db=test #不需要同步的表   2、主库增加 slave用户给权限,用于从库读取主库日志。   grant replication slave,reload,super on *.* to 'slave'@'%' identified by '12345 ...

linux

[root@localhost ~]# rpm -ivh MySQL-client-community-5.1.58-1.rhel5.i386.rpm error: Failed dependencies:         libncursesw.so.5 is needed by MySQL-client-community-5.1.58-1.rhel5.i386 找一个 ncurses 的 rpm 装上。。 [root@localhost ~]# yum search curses Loaded plugins: fastestmirror, refresh-packagekit, ...
-- 查找表中多余的重复记录(多个字段) SELECT * FROM tb_news1 a WHERE (a.Id,a.TITLE,a.SOURCE,a.DATE) IN (SELECT a.Id,a.TITLE,a.SOURCE,a.DATE FROM tb_news1 a GROUP BY a.Id,a.TITLE,a.SOURCE,a.DATE HAVING COUNT(1) > 1) -- 删除表中多余的重复记录(多个字段),只留有rowid最小的记录 DELETE FROM tb_news1 a WHERE (a.Id,a.TITLE, ...

数据表 去重

-- 查找表中多余的重复记录(多个字段) SELECT * FROM tb_news1 a WHERE (a.Id,a.TITLE,a.SOURCE,a.DATE) IN (SELECT a.Id,a.TITLE,a.SOURCE,a.DATE FROM tb_news1 a GROUP BY a.Id,a.TITLE,a.SOURCE,a.DATE HAVING COUNT(1) > 1) -- 删除表中多余的重复记录(多个字段),只留有id最小的记录 DELETE FROM tb_news1 a WHERE (a.Id,a.TITLE,a.S ...
Struts2,spring工作原理 Struts2工作原理 阐述struts2的执行流程。 Struts 2框架本身大致可以分为3个部分:核心控制器FilterDispatcher、业务控制器Action和用户实现的企业业务逻辑组件。 核心控制器FilterDispatcher是Struts 2框架的基础 ...

tomcat 远程调试

-------------------- tomcat 远程调试 SET CATALINA_OPTS=-server -Xdebug -Xnoagent -Djava.compiler=NONE -Xrunjdwp:transport=dt_socket,server=y,suspend=n,address=7777 在startup.sh开始处中增加如下内容: declare -x CATALINA_OPTS="-server -Xdebug -Xnoagent -Djava.compiler=NONE -Xrunjdwp:transport=dt_socket,serve ...
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