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Environmental preparation First, you need to have a complete set of clusters [root@master ~]# kubectl get nodes -o wide NAME STATUS ROLES AGE VERSION INTERNAL-IP EXTERNAL-IP OS-IMAGE KERNEL-VERSION CONTAINER-RUNTIME master Ready master 114d v1.21.0 192.168.59.142 <none> ...

Introduction This number is mainly the sharing of common key technology points and common tool classes of Java; And technology sharing of integration frameworks such as springboot+springcloud+Mybatisplus+druid+mysql+redis+swagger+maven+docker; Technology sharing of big data processing frameworks such as datax, kafka and flink. The article will ...

Come and explore happiness together (complete) This learning note is the learning content of Alibaba cloud Tianchi Longzhu plan machine learning training camp. The learning links are: AI training camp machine learning - Alibaba cloud Tianchi Introduction to the game title (although there is already an introduction to the game title in the a ...

1, kubernetes configure pod to access private harbor When applying the image in the harbor private library from the yaml file, if you do not create a secret, a 401 Unauthorized error will appear. Here, take running nginx pod and downloading nginx images in kubernetes, the private library of harbor, as an example, and list the steps for kubernet ...

1, Design requirements A signal frequency detector is designed with FPGA, which requires: (1) Measuring pulse signal; (2) Frequency measurement 1-10MHz and duty cycle 10% - 99%, accurate to 1%; (3) Display the measured frequency and duty cycle on LCD1602; 2, Design scheme FPGA design is mainly divided into three modules: 1. Measured signal gen ...

WebSocket WebSocket is a protocol for full duplex communication on a single TCP connection provided by HTML5. WebSocket makes the data exchange between the client and the server easier, and allows the server to actively push data to the client. In the WebSocket API, the browser and server only need to complete a handshake, and they can direct ...

MySQL34 homework questions 1. Name of the person who gets the highest salary in each department mysql> select e.ename,t.* from emp e join (select deptno,max(sal) as maxsal from emp group by deptno) t on t.deptno = e.deptno and t.maxsal = e.sal; +-------+--------+---------+ | ename | deptno | maxsal | +-------+--------+---------+ | BLAKE | ...

There are three main situations: It's been a second since I took a look at my beard. The implementation is also very simple. I write casually / too lazy to write After a second, I felt that it would not be realized, so I went to look at other people's code I didn't understand the question A Direct simulation. B Simple math problems + find rul ...

Negative ring: Because the negative ring must be shorter and shorter, but when all points on a graph are selected, it must not be the shortest path. Therefore, we can think about how to deal with negative rings from this point: The only way to deal with negative rings is \ (\ text{SPFA} \), \ (\ text{dijkstra} \) is not available. When we updat ...

target In this chapter, you will learn Find objects in images using template matchingFunction: cv2.matchTemplate(), cv2.minMaxLoc() theory Template matching is a method used to search and find the location of template image in large image. To this end, OpenCV implements a function cv2.matchTemplate(). It just slides the template image onto ...