How to clear the value of [typ...

Due to security mechanism issues, the value of input[type=’file’] cannot be modified using js, so it...

3 ways to make HTML pages auto...

In projects, we often encounter such a function: how to realize the page to automatically jump after...

What is the HTTP vs HTTPS hand...

Today I summarized what the HTTP three-way handshake is, the process of the HTTPS handshake and why ...

How to achieve waterfall flow ...

I will take the time to write another article today, about the effect of waterfall flow. Anyone who ...

How to get keyboard content in...

1 2 document.onkeydown=function(event){ 3 var e = event || window.event || argumen...

js light switch small applicat...

Application of judgment in js [switch light] switch light html, body { margin: 0px; padding: 0px;

What are the commands to view ...

MySQL simple command to view table structure. 1. Briefly describe the table structure, field type de...

A preliminary study on MySQL s...

1. Introduction to storage engines 2. Performance comparison between InnoDB and MyISAM 3. Comparison...

How to configure MyCat

schema.xml covers MyCat's logical library, tables, sharding rules, sharding nodes and data sources

What is the difference between...

I installed mysql all day today, and finally installed it after get off work in the evening. I kept ...