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fabric1.4.2 migrated from kafka to raft (command version) See in detail the principles on which implementation depends. https://blog.csdn.net/qq_42750537/article/details/96428765 This article is used to record specific orders and problems encountered. Constructing RatfMetadata Get available confi ...

Introduction: Google language is the most popular programming language in recent years. It is a static, compiled, concurrent programming language developed by Google with garbage collection function. GoLanguage has two characteristics: high development efficiency and high execution efficiency. It is known as C language in the era of cloud compu ...

A large system must be essential for code reuse. It can solve the following problems: Unified Response Processing (Unified Response Object Packaging for Outside) graph LR HTTP-->|HttpRequest|RestController RestController-->|HttpResponse -> JSON|HTTP Unified exception handling (business exceptions can be collected and handled unif ...

Original address Extending kubernetes is the two most commonly used and most needed things to master: custom resources CRD and adminsion web hook. This article teaches you how to master CRD development in 10 minutes. kubernetes allows users to customize their own resource objects, just like deployment stateful settings, which are widely used. F ...

In the Java world, configurations are left to Properties, a module that dates back to the old JDK1.0. "My God, it was 20 years ago and I was still using it Properties.." However, the main character of this article is not Properties, but Yaml.This is a favorite of the microservice architecture in the new era, and Yaml seems a bit wet compare ...

Spring Web MVC DispatcherServlet Use Java configuration or web.xml to declare and map according to the Servlet specification. The Spring configuration is then used to discover the delegate components needed for request mapping, view resolution, exception handling, etc. Servlet configuration public class MyWebApplicationInitializer implements ...

Excel export can be achieved in the background, but if the front desk already has the required data, it can also be exported in the front-end pure js. There are many libraries supporting the operation of excel. This paper introduces the implementation of Excel export function by xlsx. Installation ...

MVC in Asp.net is mainly oriented to Content-Type of "text" type to handle HTTP requests. In addition to file transfer, even json and xml are text types. Therefore, MVC naturally handles input and output of text type very well. Sometimes, however, this does not satisfy us. What happens when we want to transfer binary byte [] ...

1. Building Private registry 1. Regisry Mirror Transfer Test host ip: 192.168.192.225 (Intranet Machine)With the help of other machines that can access the public networkDocker search registry and docker save-o. / registry. tar Copy to 192.168.192.225 machine docker load-i registry.tar to transfer the docker image of registry Label:[root@node1 ...

1. Preparing documents Go to DCloud website by yourself: http://dcloud.io/ Download the official IDE Hbuilder and create an empty uniapp project. uniapp framework comes with optimized vue, we only need to prepare the following three files: Bootstrap.min.css//bootstrap 4 or more. https://unpkg.com/bootstrap@4.3.1/dist/css/bootstrap.min.css boots ...