1.由于导入import导入数据时乱码,一直找不到解决办法,于是就用load导入 LOAD后,发现某些表检查挂起( 原因码为 "1",所以不允许操作 SQLSTATE=57016 ) 解决办法:set integrity for xxxxxx immediate checked 2.表锁定(原因码为7) 解决办法:reorg table xxxx 3.去重 select distinct a.column from table1 as a inner join table2 as b
Java Sting类有个根据byte,字符编码来输出的构造函数.以下为java文档中的解释.public String(byte[] bytes, String charsetName) throws UnsupportedEncodingException Constructs a new String by decoding the specified array of bytes using the specified charset. The length of the new Str
转: java指定编码的按行读写txt文件(几种读写方式的比较) 2018年10月16日 20:40:02 Handoking 阅读数:976 版权声明:本文为博主原创文章,未经博主允许不得转载. https://blog.csdn.net/Handoking/article/details/83095380 输入输出的几种形式 1.FileReader,FileWriter File r = new File("temp.txt") FileReader f = new FileR
JSP代码如下: <%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"
xplanner的readme.txt里有句话“XPlanner has only been tested on mysql 4.x, myslq 5.0, Tomcat 5.x, java 1.4, windows and linux.”不过我用的环境是,JDK1.5+tomcat5.5+mysql5 安装jdk.tomcat.mysql省略...... #mysqladmin -u root password centos # mysql -u root -p Enter password:
GBK: create database test2 DEFAULT CHARACTER SET gbk COLLATE gbk_chinese_ci; UTF8: CREATE DATABASE `test2` DEFAULT CHARACTER SET utf8 COLLATE utf8_general_ci