Switch between light and dark mode automatically
To make your site looks better, or to provide a comfortable reading experience at night, you may consider to use a dark theme. But have you think about how to make a normal light theme switch automatically between light and dark? That’s our topic today.
[HOW TO] Add Secure Header to Your Website

It is important to protect your visitor by securing your own site. Learn how which security headers are suitable for your site.
[GET] Close Tab Methods
Some ways to close the browser tab.
The whistleblowing doctor dies of coronavirus

Don’t ask for whom the knell is ringing, it is for everyone.
[HOW TO] Add A Countup Timer for Your Website
If you want to tell people how long your website live…
记第一次搭建 Minecraft Java 服务器
Build a MC server on a remote server
[HOW TO] HTML Redirect
HTML and JS redirection methods.
[HOW TO] Clear and format a disk to delete confidential documents in Windows
使用 cipher 和 format 命令来确保数据安全。
关于设置 DateTimePicker 中的焦点
DateTimePicker 不会自动让焦点归位至第一个位置,这里是一些奇怪但是有效的解决方法。