`
ainidehsj
  • 浏览: 136003 次
  • 性别: Icon_minigender_1
  • 来自: 长沙
社区版块
存档分类
最新评论
文章列表
eclipsealt+/就失灵,解决方法:在 Window - Preferences - General - Keys 内 1、把word completion的快捷键设置alt+C 2、把Content Assist的快捷键由ctrl+space改成alt+/
1. ORACLE : SELECT 1 FROM DUAL 2. DERBY :   SELECT 1 SYSIBM.SYSDUMMY1
1. JDK安装: 1. 将rpm jdk复制到/usr目录下 2. 到/usr目录下,执行下面命令进行安装:rpm -ivh jdk-6u21-linux-x64-rpm.bin 3. 编写环境变量: export JAVA_HOME=/usr/jdk1.6.0_07 export JRE_HOME=/usr/jdk1.6.0_07/jre export PATH=$PATH:/usr/jdk1.6.0_07/bin export CLASSPATH=./:/usr/jdk1.6.0_07/lib:/usr/jdk1.6.0_07/jre/lib 4. 测试JDK是否安装成功:java –ve ...
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%> <% String path = request.getContextPath(); String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/"; %> & ...
//测试 set @mycnt = 0; set @avgtime=0; select (@avgtime:=1440*60/count(1)) avgtime,count(1) from wbswry;      select (@mycnt := @mycnt + 1) as ROWNUM , DATE_FORMAT(CONCAT(CURRENT_DATE(),' ',SEC_TO_TIME(@mycnt*@avgtime-1)),'%Y%m%e%H%i%s') as tt,gxsj       from wbswry //执行更新 //由于在update中,变量累加需要进行赋值,故添加一 ...
Global site tag (gtag.js) - Google Analytics