Programmer Think

The text and pictures of this article come from the network, only for learning and communication, and do not have any commercial purpose. If you have any questions, please contact us in time for handling. Start body Requests library is the most important and common library in Python crawlers. You must master it Let's meet this library R ...

*The relevant vulnerabilities involved in this paper have been submitted to the manufacturer and repaired. This paper is only limited to technical research and discussion. It is strictly prohibited to use it for illegal purposes, otherwise all the consequences will be borne by itself. What this article shares is that in a vulnerability test, ...

OSPF comprehensive experiment Irregular area of OSPF 1. Non backbone away from backbone 2. Discontinuous backbone Better solution: Multi process two-way republishing; ospf multiple processes: multiple processes on a router. Each process has its own database, calculates routing entries independently, and calculates all non shared; Finally, all ...

1 muduo::net::EchoServer class reference Collaboration diagram of EchoServer: [legend] Public member functionEchoServer (EventLoop *loop, const InetAddress &listenAddr)voidstart () Private member functionvoidonConnection (const TcpConnectionPtr &conn)voidonMessage (const TcpConnectionPtr &conn, Buffer *buf, Timestamp time) Pr ...

WebView brief introduction It is generally used to load some network interfacesAndroid is a high-performance browser with built-in webkit kernel, and WebView is a control encapsulated on this basis. WebView can be simply regarded as a browser control that can be nested on the interface! method WebChromeClient Assist WebView in handling Ja ...

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 ...

1. Preface Notes: Netty teaching based on dark horse, video address: Black horse Netty 2. Network programming (single thread) 1. Block When there is no data readability, including data replication, the thread must block and wait, which will not occupy the cpu, but the thread is equivalent to idleA 32-bit jvm has 320k threads and a 64 ...

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 ...

docker network Docker network can be divided into container network on a single host and network across multiple hosts docker network type View docker's native network [root@docker01 ~]# docker network ls NETWORK ID NAME DRIVER SCOPE 68f4c1f9f020 bridge bridge local ...