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Main features of pm2 Built in load balancing (for the use of Node cluster cluster module and subprocesses, please refer to Chapter 9 of Park Ling's "getting to the bottom of node.js") Thread guard, keep alive 0 second shutdown and heavy load, no need to shut down for maintenance and upgrading Now Linux (stable) & Mac OS X ...

There are not only many modular projects in the work, but also only one or two activity pages similar to filling in information to participate in activities. At this time, you can return to the previous three swordsman mode, and reference vue.js in index.html for development. Key points: Babel Polyfill needs to be introduced to transform the c ...

Function Description: There is a message function in the interface. Click message to view the message list. Regularly send the request interface to the server to obtain the latest messages, and display the number of messages in the form of corner marks to the message function, Thus, users can intuitively know that they have received several m ...

Environment: 2 VM virtual machines centos7 x86? 64 bit system Configuration environment requirements: I. two virtual machines need to turn off iptables, turn off firewalld, turn off selinux and turn on time synchronization parameters to ensure that the time of the two virtual machines is consistent2. The sshd service of the two virtual machine ...

Two systems of the company. Our A system should send A business contract application to B system. After receiving the data, system B will process it asynchronously and send A notice to our system A after signing. The interface document indicates that the asynchronous notification is sent through the post request of http protocol, and the me ...

Preface The text and pictures in this article are from the Internet. They are for study and communication only. They do not have any commercial use. The copyright is owned by the original author. If you have any questions, please contact us in time for processing.Author: Effort and effort Crawl qq music artist data interface data ...

Realistic demand In the project, sometimes the field equipment fails, which needs to be known by the remote personnel. In addition to the way of email, the way of wechat applet is also very good. Try it today and make a demo version. 1. Wechat applet application production front end 1.1 lists file (use template and data bind ...

Why log backup is needed KubeSphere log system uses the log collection and storage scheme of Fluent Bit + ElasticSearch, realizes the life cycle management of Index through the cursor, and cleans the long-term logs regularly. For scenarios with log audit and disaster recovery requirements, the default 7-day log retention policy of KubeSphere is ...

1.json introduction json is less descriptive than XML, but its data volume is smaller and its transfer speed is faster The writing format of json data is "Name: value pair", for example: "Name" : "John" //name For name,The value pairs are"john"Character string The value pair types are divided into: Number (in ...

Function self calling In general, the purpose of taking a function as a parameter is to obtain the asynchronous operation results inside the function The following code is an example of synchronization function add (x + y) { // Function method return x + y } add(10, 20) // Calling function The following code is an asynchronous function ...