Programmer Group

Original link: http://www.cnblogs.com/riasky/p/3464808.html The most important access to the network is the http protocol. The http protocol is simple, but it's important. Directly on the code, which is a code block code block, with whi ...

brief introduction Objective to help oneself understand webrtc to realize end-to-end communication # Usage flow git clone https://gitee.com/wjj0720/webrtc.git cd ./webRTC npm i npm run dev # Visit 127.0.0.1:3003/test-1.html to demonstrate h5 media stream capture # Visit 127.0.0.1:3003/local.html to demonstrate rtc local transmis ...

The flitter widget of Flutter is also very powerful. It can make the magic filter effect you want. Here we will make a ground glass effect in the way of actual combat, and learn the use of Fitler through examples. The effect is as follows: do you know this teacher? Implementation process: I. pre ...

Containers are great for encapsulating software, but sometimes you can go too far by blindly altering the container image to make it as small as possible. We need to find a good balance between "clean" images and images that cannot be debugged. The normal way to see people debugging a running container is to docker exec - it $containe ...

Runloop is a basic component closely related to threads, and it is behind many functions related to threads. This article will summarize runloop from the following aspects: What is runloop The role of runloop The relationship between runloop and thread Detailed introduction of runloop and source code analysis Analysis of runloop principle runl ...

In the second chapter, three roles are deployed on the master, and then node nodes are deployed.Main deployment: kubelet Kube proxy I. environment preparation (the following operations are performed on the master) 1 create directory and copy two components mkdir /home/yx/kubernetes/{bin,cfg,ssl} -p # Both node nodes copy scp -r /home/yx/src/k ...

The ribbon has seven load balancing strategies to choose from: Strategy class name describe RandomRule Stochastic strategy Randomly select server RoundRobinRule round-robin policy Select server s in order (ribbon default policy) RetryRule Retry strategy During a configuration period, if the server is not selected successfull ...

I haven't seen you for a long time. I miss you so much. The article I published earlier has finished the primary stage of Java. Next, Xiaole will continue to talk about Java intermediate stage - Java Web. First of all, let's take a look at the knowledge that the Java Web phase focuses on: Understand C/S and B/S structural modes Understandi ...

Explain:1. Only two topic s are synchronized this time, and subsequent optimization will continue to update...2. Self built cluster CDH5.8, kafka2.1.0; Alibaba cloud cluster Standard Version kafka0.10.xTrample:1. Add the CMM of kafka role instance in cdh, which should not support SSL connection.2. VPC network access. I don't know that the purc ...

Two days ago, we wrote a single task version of crawler, which crawled the user information of treasure net, so how about its performance? We can see from the network utilization. We can see from the performance analysis window in the task manager that the download rate is about 200kbps, which is quite slow. We analyze the design of single tas ...