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Problem Portal Portal1: Luogu Description For example, give a network diagram, its source and sink points, and find out the maximum flow of its network. Input The first line contains four positive integers \ (N,M,S,T \), which respectively represent the number of points, the number of directed edges, the source point serial number and the sink ...

Introduction: Production failure scenario introduction Three handshakes in TCP connection TCP disconnect four wave process Analyzing source code with Java stack Find the "culprit" in the stack Summary of problem optimization scheme 1. Production failure scenario introduction Business profile: This service mainly provides external p ...

Background MQ component is an indispensable tool in the system architecture. At the design level, it can reduce the system coupling, and high concurrency scenarios can also play the role of peak cutting and valley filling. From single application to cluster deployment scheme, to the current microservice architecture, MQ has been widely recogniz ...

Blog Outline: I. Bridge mode (communication between containers on the same Docker server) 2. Deploy the consumer service to realize cross host communication of Docker container Preface: When you start using docker on a large scale, you will find that you need to know a lot about the network. Docker, as the most popular lightweight containe ...

Reference documents: https://my.oschina.net/u/3754001/blog/1802140Installation and erection process is omitted here I. network environment Remarks: Currently, it is a three node server, which allows one node to be damaged, the cluster state is normal, and normal services can be provided. For example, two nodes are damaged, only one node is le ...

Preface: Recently, I have sorted out some previous study notes (some of them are missing, some of them will be disordered, and I will make up later). In the past, it was stored locally, and this time it was transferred to the network for standby.   cisco SSH Remote Login configuration 0. Configure ip, start port Switch>enable ...

tf.unstack has appeared in the construction of cyclic neural network. It is convenient for you to record here. Function: split the input value according to the specified axis (dimension) (starting from 0), and output the list containing num elements. Num must be equal to the number of elements in the sp ...

Experimental configuration and requirements 1. Configuration address of four hosts PC1: PC1> ip 192.168.100.100 192.168.100.1 Checking for duplicate address... PC1 : 192.168.100.100 255.255.255.0 gateway 192.168.100.1 PC2: PC2> ip 192.168.10.10 192.168.10.1 Checking for duplicate address... PC1 : 192.168.10.10 255.255.255.0 gateway 1 ...

This paper mainly analyzes the command interaction process between Android 4.4 RIL's telephone and modem, but this paper does not focus on telephone.Telephone involves many specific business logic contents, including sim, dail, sms, network, etc., which will be studied and analyzed in the future. RIL's position in Android system:   (A) the ...

Preface Why write this article? Remember clearly that I just got a job at node and talked to the interviewer about the event cycle. Then the interviewer asked how the event happened. Under what circumstances is an event... In which scenarios have Events been applied? Before that, it encapsulated an open source network request framework of RxJa ...