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Managing database evolutions
When you use a relational database, you need a way to track and organize your database schema evolutions. Typically there are several situation where ...
分类:数据库   时间:2015-04-22 13:37:18    阅读次数:221
数据库作业
create database 作业use 作业--创建学生表create table Student(Sno char(3) primary key not null,Sname char(8) not null,Ssex char(2) not null,Sbirthday datetime ....
分类:数据库   时间:2015-04-22 13:32:45    阅读次数:226
Logging configuration
The Play logger is built onLog4j. Since most Java libraries use Log4j or a wrapper able to use Log4j as a backend, you can easily configure logging th...
分类:其他好文   时间:2015-04-22 13:29:16    阅读次数:233
Use a cache
To create high-performance systems, sometimes you need to cache data. Play has a cache library and will useMemcachedwhen used in a distributed environ...
分类:系统相关   时间:2015-04-22 13:21:43    阅读次数:213
CodeIgniter 错误: In order to use the Session class you are required to set an encryption key
CodeIgniter SESSION 第一次用 session 遇到这个错误 ,说是要加一个密钥才可以使用,加就加吧,打开 config.php 找到以下代码/*|-------------------------------------------------------------------...
分类:其他好文   时间:2015-04-22 13:19:01    阅读次数:146
Linux下mysql相关设置
在Linux下安装完mysql之后,通常需要作如下修改才能比较方便地使用1. 添加一个远程连接用户通常我们需要从外部远程连接mysql数据库,mysql数据库默认是没有设置允许远程连接的用户的,我们需要自己添加。可以先查看当前mysql数据库中已存在的用户:use mysql;select host...
分类:数据库   时间:2015-04-22 13:14:28    阅读次数:223
Manage application.conf in several environments
When you work in a team, different developers will use different configuration keys in theirapplication.conf. For example, the log level, some databas...
分类:移动开发   时间:2015-04-22 13:14:09    阅读次数:122
Validating HTTP data with Play
Validations ensure that the data has certain values or meets specific requirements. You can use validation to verify that your models are correct befo...
分类:Web程序   时间:2015-04-22 13:08:30    阅读次数:208
MySQL下添加用户以及给予权限的实现
在mysql中添加用户的方法如下:1 使用root用户登录mysql -u root -p2 选择mysql数据库use mysql3 添加用户insert into user(Host,User,Password) values("localhost","你的用户名",password("你的密码...
分类:数据库   时间:2015-04-22 13:05:16    阅读次数:174
Sending e-mail
E-mail functionality uses theApache Commons Emaillibrary under the hood. You can use theplay.libs.Mailutility class to send e-mail very easily.A simpl...
分类:其他好文   时间:2015-04-22 13:03:22    阅读次数:232
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