Programmer Group

Source code for this article: GitHub. Click here || GitEE. Click here 1. Introduction to Fuses The architecture of micro-services is characterized by multiple services, multiple data sources, and supporting system applications.This leads to dependencies between micro-services.If one of these services fails, it may cause the system to shut down ...

Provided through EMQ X Helm chart EMQ X can be easily deployed to Kubernetes Platform. Before you start, make sure you follow Helm Document Guide To install Helm. On Kubernetes Kubernetes is a widely used open source container orchestration platform for automatic deployment, expansion and operation of applications. With Kubernetes, it can quick ...

The introduction of Fork/Join framework can be consulted Fork/Join Framework . There are two core classes of Fork/Join framework: Fork Join Pool, which is mainly responsible for task execution, and Fork Join Task, which is mainly responsible for task splitting and result merging. ForkJoinPool Like ThreadPool Executor, it is also a thread pool ...

Source code for this article: GitHub. Click here || GitEE. Click here I. Iterator Mode 1. Basic concepts Iterator mode, also known as cursor mode, is the behavior mode of objects.Iterator patterns can sequentially access elements in a cluster without exposing the internal representation of the cluster. 2. Pattern Diagram 3. Core Role Iterat ...

SpringBoot e-commerce project mall (20k+star) address: https://github.com/macrozheng/mall abstract Hutool is a Java toolkit that helps us simplify every line of code and avoid duplicating wheels. If you need to use some tools and methods, you might as well look in Hutool, it may be. This article will introduce the common tools and methods in H ...

At present, the project uses Nuxt SSR to complete server rendering. In order to meet the needs of SEO, non-first-screen content is also requested and served directly, resulting in longer first-screen time (non-first-screen resource requests and component rendering will bring additional overhead). For a large number of users, a small number of ...

Short answer and validation with program 1 What is the essence of game object movement? The essence of the game object movement is to change the coordinates of the game object itself. In game development, we can transform game objects by matrix transformation, such as: public class TranslationScrip ...

Basic concepts Hash Table: Hash Table, also known as Hash Table. Define a keyword k in the data to be stored. Map k to an address through a mapping relationship f. This address is called hash address. Then when searching for the record, it is no longer necessary to search through data comparison, but directly use the keyword k mapping of the re ...

Android Elegant Privilege Request Encapsulation Let's first look at how the code is written without encapsulation. Here we first need to determine whether there is a specific permission. If there is a specific operation, otherwise we need to request permission. The final result of the request can only be processed in onRequest Permissions Resul ...

Preface Sentinel's native version of Rule Management pushes rules to the client through the API and updates them directly to memory, not directly for production environments.Officially, however, there is also a Push mode that extends the Readable DataSource for reading data sources, unifies the Rule Center push, and allows clients to monitor c ...