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Understanding the asynchronous notification I/O model Synchronous and asynchronous The key of synchronization is the call and return time of function, as well as the start and completion time of data transmission. Data transmission starts at the moment when the send function is called, and the data transmission is completed at the moment ...

1. Preface Steps: analyze Android global Java obfuscator, analyze TCP private protocol, and write socket script to realize data capture The analyzed app is here https://wwo.lanzouy.com/ifKPbytn9mh password:fhj0 This analysis process is limited to learning and use. Do not use it for illegal purposes. If the reader uses it for illegal purpo ...

introduction This is my first blog. My writing is limited. I hope you will forgive me. Based on my final comprehensive experiment, I will tell you what routing and switching technology teaches and what we should learn. This comprehensive experiment is based on Huawei ENSP Completed. Experimental requirements The topology diagram is as f ...

Transmission model hierarchical model Description of each layerOSI seven layer network modelTCP/IP four layer network modelCorresponding protocolStandard interface for network communication of operating system or applicationapplication layerapplication layerTelnet,FTP,SMTP,DNS,HTTPConvert different coding methods into standard forms used ...

background In our AS projects, we often refer to multiple modules and many people participate in project development. Under this background, we will often encounter version conflicts and different compilesdkversions, resulting in larger packages and longer project running time. Therefore, the only way to optimize a project is to unify the depen ...

reflex Reflection is one of the characteristics of Java programming language. It allows running Java programs to check themselves, or "self audit", and can directly operate the internal properties and methods of the program. Some classes of reflection Field class: represents the object properties obtained in reflection Constructor ...

catalogue 1 Introduction 2 Genetic Algorithm 2.1 basic concepts of genetic algorithm 2.2 characteristics of genetic algorithm 2.3 program block diagram 3 Python code implementation 3.1 source code implementation 3.2 genetic algorithm package sko GA  3.2.1 case 1 3.2.2 case 2 4 reference 1 Introduction Genetic algorithm (GA ...

WeChat Public Number: Operations and Maintenance Development Story, Author: wanger demand For those who regularly maintain their website, they often have to deal with https certificates. Typically, an https certificate is valid for one year. Once the certificate expires, the company will lose a lot. Last year NetEase mailbox was a typical c ...

WebSocket Background: The HTTP protocol has a flaw: communication can only be initiated by the client. This one-way request is doomed to be very troublesome for the client to know if the server has continuous state changes. We can only use "Polling" : every once in a while, send a query to see if the server has any new information. ...

TCP three handshakes and four waves Quoted articles: (32 messages) the whole process of tcp three handshakes and four handshakes and why three handshakes_ Rock owl blog - CSDN blog_ tcp the whole process of three handshakes and four waves https://blog.csdn.net/spade_Kwo/article/details/119464901 What is TCP protocol? TCP It is a host ...