C# Socket TCP 2 heartbeat protocol + anti-stain packet + proactively disconnect from the server

In the previous code, a C# .net TcpClient implemented the full-duplex communication protocol_tcpclient protocol_Green Lemon 676’s Blog-CSDN Blog We have implemented the heartbeat of TCP and introduced the full-duplex communication protocol. Today we will take you to understand what TCP packet immersion is and how TCP prevents packet immersion. So let’s make a long story […]

MATLAB connects to the MYSQL database and performs addition and deletion operations

I recently built an experiment management system. The new UI interface of matlab is relatively interactive and user-friendly. I am new to mysql and have never touched a database before, so I will make a record. 1. Environment installation 1. Make sure that matlab has database toolbox installed, which can be queried through the ver […]

Kubernetes connects to external Ceph

Kubernetes connects to external Ceph kubernetes environment Ceph environment Method 1 (manually created) kubernetes node node configuration ceph Install ceph-common (note that the versions must be consistent) Copy the /etc/ceph/ file under the ceph cluster admin node to the kubernetes node. Ceph cluster creates pool pool and rbd Pod is mounted directly Prepare to test […]

Vue uses websocket to implement real-time data push and publish, subscribe and reconnect single sign-on functions.

Requirements: Use websocket to implement publishing, subscribing, network disconnection and reconnection, and account squeezing after single sign-in without using plug-ins. 1. Single sign-on (only one of the same account is online at the same time, multiple user logins are prohibited) Implementation: After the user logs in, the token token is obtained and stored locally. It […]

Springboot2.x integrated lettuce connection redis cluster reports timeout exception Command timed out after 6 second(s)

Original/Zhu Jiqian Background: Recently, I was doing a stress test on a newly developed Springboot system. I found that when I first started the stress test, I could access data from the redis cluster normally. However, after a few minutes of pause, and then when I continued to use jmeter to perform the stress test, […]

Analysis and application of connection pool in Python

Connection Pool (Connection Pool) stores network connections as objects in memory during system initialization. When the user needs to connect, an established empty connection object is taken from the connection pool and the connection is not closed after use. , put the connection back into the connection pool without having to frequently create and close […]

How does SmargGBD (GB28181 device access module) connect to wvp-gb28181-pro

Technical background When we connect to SmartGBD (GB28181 device access module), in addition to the conventional national standard platforms such as Hikvision Dahua Univision, some companies will choose wvp-gb28181-pro. As we all know, WEB VIDEO PLATFORM is an out-of-the-box network video platform based on the GB28181-2016 standard. It is responsible for implementing the core signaling […]