Verify that the user name exists -- using jQuery
1. Database mysql
The user name already exists in the database.
2. html Page
<form name="regForm" action="dologin.jsp" method="post">
Posted by splitinfo on Fri, 17 Jul 2020 16:26:13 +0200
1. Scenarios for use
In general, there are test environments and formal environments for our development.Of course, databases are also separate.If you could use phpmyadmin to directly access mysql on both servers.This is the need.
1. Find under the phpmyadmin folderConfig.sample.inc.php, renamedConfig.inc.php.
2. OpenConfig. ...
Posted by DanArosa on Wed, 15 Jul 2020 17:45:45 +0200
First, for mysql databases, the default character is latin1
This latin1 is the culprit that we can't write in Chinese.The solution, then, is to change the character set to UTF-8
The easiest way to do this is to modify the windowMy.iniProfile),My.iniWhere and how to modify it to UTF-8 is as follows: https://www.cnblogs.com/Ray-xujianguo/p/332 ...
Posted by htcilt on Sun, 12 Jul 2020 17:34:44 +0200
Download address: https://dev.mysql.com/downloads/mysql/
Select the version you need to install, where my computer is CentOS7.3 64 bit
Then download RPM Bundle, a collection of several programs.
Then start downloading...
2. Unzip the installation package
Unzip mysql-5.7.20-1.el7.x86_64.rpm-bundle ...
Posted by cdwhalley.com on Thu, 09 Jul 2020 18:16:54 +0200
Linux version: CentOS 6.5 64-bit
1. Download MySQL
[root@localhost mysql]# tar -xvf mysql-5.7.20-1.el6.x86_64.rpm-bundle.tar
Posted by phpMitch on Fri, 03 Jul 2020 17:18:54 +0200
Python Tool Library Installation xlwt and xlrd Installation under 1.1win7
1.1.1 Method 1: Download and Install
1. From http://pypi.python.org/pypi/xlwt Download xlwt-1.0.0.tar.gz;
2. From http://pypi.python.org/pypi/xlrd Download xlrd-0.9.4.tar.gz;
3. Unzip the package;
4. Run under win7.
[plain] view plain copy
Posted by SystemOverload on Thu, 02 Jul 2020 17:02:27 +0200
For the mybatis framework. It seems to be used in copy all the time. For mybatis caching. There is no accurate cognition. Take advantage of the holiday. Learn the cache of mybatis. This article mainly studies the first level cache of mybatis.
In fact, we have been working for a long time, and we know that many bottlenecks ar ...
Posted by yelvington on Sat, 27 Jun 2020 09:29:25 +0200
Distributed transaction solution -- Seata -- Implementation
Seata version selection
1. Problem description
2. Problem location
Seata is an open source distributed transaction solution, which is committed to providing high-performance and easy-to- ...
Posted by matstuff on Fri, 26 Jun 2020 10:14:12 +0200
JdbcTemplate is an object provided in the spring framework, which functions as QueryRunning and is a simple encapsulation of the original Jdbc API object. The spring framework provides many template classes that are facing different database types.
Operational relationship data:
Posted by ramus on Fri, 26 Jun 2020 05:12:02 +0200