python web Development Network Programming TCP/IP UDP protocol

learning from python web development from introduction to mastery 1. TCP/IP protocol Everyone can talk only with the same protocol TCP/IP protocol: Application layer: FTP file transfer, Telnet remote login, DNS domain name system, SMTP e-mail transmission... (providing services for users)Transport layer: TCP transmission control, UDP us ...

Posted by 1bigbear on Tue, 30 Nov 2021 04:43:23 -0800

11 v-if better color, ternary operator

scene The template uses conditional judgment to control the style of the page, which is the most common application. Vue provides two basic methods, one is the ternary operator we have talked about, and the other is v-if. Ternary operators control template styles Let's first look at the use of ternary operators to control the style of te ...

Posted by romano2717 on Fri, 26 Nov 2021 01:49:18 -0800

chrony time synchronization service

brief introduction NTP is the network time protocol, which is used to synchronize the time of each computer in the network. NTP and chrony cannot exist at the same time. You can only use one of them and remove the other mask Chrony is an open source free software, which can help you keep the system clock synchronized with the clock server (NTP ...

Posted by martinco on Sat, 20 Nov 2021 18:53:56 -0800

Network programming (API)

Network programming (API) 1, tcp 1. Server side 1) Create socket int socket(int domain, int type, int protocol); parameter: domain:protocol family,AF_INET type:Communication type,tcp The agreement is SOCK_STREAM protocal:Specific agreement,Generally 0, default protocol Return value: File des ...

Posted by dzoddi on Sat, 20 Nov 2021 07:19:19 -0800

Use Socket in java to complete TCP protocol or UDP protocol communication

Use Socket in java to complete TCP protocol or UDP protocol communication Introduce TCP and UDP Two types of transmission protocols: TCP; UDP TCP is the abbreviation of Tranfer Control Protocol. It is a connection oriented protocol to ensure reliable transmission. Through TCP protocol transmission, we get a sequential error free data stream. ...

Posted by cafrow on Thu, 18 Nov 2021 23:32:15 -0800

TCP UDP for QT Network Communication

The lambada expression is supported in higher versions of QT, but the line "CONFIG += C++11" needs to be added to the file "projectName.pro". The new and old forms are documented below. 1. TCP 1. Complete Project Connections between signals and slot functions in tcpserver.cpp in this project use the connect() function in ...

Posted by vtolbert on Fri, 12 Nov 2021 12:24:24 -0800

Summary of JAVA Chapter 15 network communication

After class questions 1-5 1. How many layers are the network communication protocols divided into? What are the problems solved by each layer? >>OSI layer 7 protocol   OSI seven layer network modelfunctionapplication layerDirectly provide services for the user's application processPresentation layerProvides a standard format for net ...

Posted by studgate on Tue, 09 Nov 2021 12:44:04 -0800

[Java from 0 to architect] SpringCloud - Sleuth, Zipkin, Config

Java from 0 to architect Directory: [Java from 0 to architect] learning record Link tracking component Why link tracking? There are many service units in the microservice architecture. If there are errors and exceptions, it is difficult to locate (a request may need to call multiple services, and the call complexity between internal ...

Posted by garry_224 on Mon, 08 Nov 2021 08:58:58 -0800

Detailed explanation of TCP communication process (matching code, case)

The location is different, and the ip address is different Network protocol is the collection of a group of network rules, which is the agreement or standard we abide by together. Common protocols TCP: UDP: HTTP: Port number: uniquely identifies an application (process) on a host Why layering: The data link layer solves the transmission be ...

Posted by stilgar on Sun, 07 Nov 2021 21:16:34 -0800

Let me introduce you to Hippo4J dynamic thread pool infrastructure

Many partners know that Xiaobian has been submitting Hippo4J dynamic thread pool project since June this year After 200 + Commit, the official version of 1.0.0 will be released soon. Today, I will write an article to formally introduce the project architecture of Hippo4J Hippo4J GitHub: https://github.com/acmenlt/dynamic-threadpool If you ...

Posted by madhu on Sun, 07 Nov 2021 16:35:02 -0800