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1. If all integers involved by the keyboard are received: [enter the keyboard to enter the next line, it is normal and normal, and there are no accidents such as error reporting] public static void main(String[] args) { // TODO Auto-generated method stub Scanner sc = new Scanner(System.in); System.out.print("Please enter student number:"); ...

I Introduction to service discovery In the process of microservice development and deployment, each service runs in an independent process. Services communicate with each other through lightweight communication mechanisms (such as RESTful API). How to manage these services? When a user sends a request, which service should be requested to meet ...

1, Background & & roleAbnormal monitoring systemCollection exceptionCollect log information; Interface duration informationTimely warning; Send mailDisplay statisticsHigh cost of code review; Sometimes only syntax or code style problems can be found; There is not much time for deep reading of logical business problemsCompatibility probl ...

Station B haas development tutorial Teaching video link of station B 1. Hardware diagram 2. Read the register value of spi device Case description: This case is a reading and writing test of spi equipment, which uses different functions to complete two reading and writing methods.When reading and writing spi, you need to operate the ...

This article was first published in Nebula Graph Community official account Solution ideas The most convenient way to solve the problem that K8s cannot connect to the cluster after deploying the Nebula Graph cluster is to run the nebula algorithm / Nebula spark in the same network namespace as the nebula operator, and fill in the MetaD domain ...

Hello, I'm Pippi. In fact, the volume of this pandas tutorial is very serious. Cai Ge, Xiao P and others have written a lot of articles. This article is contributed by fans [ancient moon and stars]. They have sorted out some basic materials in their own learning process, sorted them out and written them, and sent them here for everyone to study ...

preface Spring's IoC container is a lightweight container that provides IoC support.  BeanFactory provides two containers: BeanFactory and BeanFactory ApplicationContext.  The inheritance relationship between the two is as follows:     • BeanFactory: the basic IoC container adopts the lazy load strategy by default, that is, only when ...

In Nacos, service invocation is mainly realized through RestTemplate + Ribbon. RestTemplate is the Restful request implementation class provided by Spring, and Ribbon is the client load balancer. Through the Ribbon, you can obtain the specific information (IP and port number) of the service instance, After that, you can complete a service call ...

Official address: https://rocketmq.apache.org/ Installation package download address: https://archive.apache.org/dist/rocketmq/ 1, Introduction to rocketmq RcoketMQ is a message oriented middleware with low latency, high reliability, scalability and ease of use. It has the following characteristics: Support publish / subscribe (Pub/Sub) a ...

Oracle database dmp to mysql format 1, Background The customer of the first project is oracle database, which needs to import a table data to the mysql database of the self research system. Party A has given the dmp file in oracle format! Treatment idea: ① . install Oracle database. ② Import the dmp file in Oracle format provided by Party A i ...