Two ways to create foreign key...

By adding foreign key constraints to the MySQL table fields, the consistency and integrity of the da...

Ajax concepts and advantages

AJAX is mainly used for front-end data interaction and is an essential skill for every website devel...

Three ways to implement ajax

AJAX is an essential skill for front-end data interaction. By using AJAX, page refresh-free access c...

MySQL string interception and ...

The data is processed through some string interception functions that come with mysql. The following...

mysql encryption method

By encrypting the data in the Mysql database, we can make the database more secure, and the informat...

PHP caching mechanism

Here, we use a code example to further understand PHP's own caching mechanism. In future studies, we...

PHP common interview questions

These are interview questions I compiled from the Internet. I hope they will be helpful to you when ...

PHP interview questions (class...

Through my experience and the collection of some information on the Internet, I have compiled some i...

Commonly used magic methods in...

I have compiled some PHP magic methods that are often used during the development process. I hope th...

Java Coding Standards (Commonl...

Below are the Java coding standards I compiled. When writing code, you must follow the coding standa...