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Links to the original text: https://www.mk2048.com/blog/blog.php?id=1ij1hckhj&title=%E7%A7%BB%E5%8A%A8Web%E5%BC%80%E5%8F%91%E6%8A%80%E5%B7%A7--%E4%B8%8A META correlation 1. Title (IOS) added to the home screen <meta name="apple-mo ...

Before writing express delivery, there were only examples of php and. net on the official website, and I used the relevant functions of python package to trample a lot of holes before I came out and shared my method.Firstly, the picture above shows the results. For technical documents, please refer to Express Bird's official website api: Free Q ...

Four basic algorithms of phpMany people say that the algorithm is the core of the program, a program is better than bad, the key is the quality of the program algorithm. As a phper, it has little exposure to algorithmic aspects. But for the four basic algorithms of bubble sort, insert sort, select sort and quick sort, I think we still need to m ...

What is two-step verification? _Two-step authentication means that when a user logs into an account, besides entering a username and password, the user is required to enter a dynamic password, which adds an extra layer of protection to the account. This dynamic password is either dedicated hardware or provided by the user's mobile phone APP. Ev ...

Original Link: https://my.oschina.net/u/1772925/blog/600871 Using the MySQL database, you first install the MySQL database, and all the SQL scripts in this article are tested and execu ...

Installation of docker First, let's look at what docker is. Docker is a virtualization technology based on the Linux kernel, which encapsulates and isolates processes. Because the isolated processes are independent of the host and other isolate ...

When you want to monitor a Linux machine, you have many choices. Although there are many product quality monitoring schemes (such as Nagios, Zabbix, Zenoss), they have gorgeous UI s, extensible monitoring, easy-to-understand reports, etc., these ...

Substrate is a rapid development framework for developing application specific block chain. Compared with DApp based on public chains such as ETF, the application of specific block chains is a special block chain built around a single application, so it has the greatest flexibility and the least restrictions. This article describes in detail ho ...

Linux Command Tool w(who),nomn,ncdu,iftop,findmnt,htop,ccze,glances For the original picture, please see the original Mipu blog: Linux Command Tool   1,w (who) Yes, you're right. It's the w command. It's used in a similar way to who. Using ...

Notes on the rabbitmq dead letter queue used in development Application scenarios for delayed queues 1. Cancellation of unpaid orders on time 2. Timely cleaning of cached objects, idle connections, etc. 3. Within 30 minutes after successful placing of the order, notices should be sent at different time intervals (1 min, 3 min, 10 min once). 1. ...