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order This paper mainly studies NodeSelector of Elasticsearch RestClient NodeSelector elasticsearch-7.0.1/client/rest/src/main/java/org/elasticsearch/client/NodeSelector.java public interface NodeSelector { /** * Select the {@link Node}s to which to send requests. This is called with * a mutable {@link Iterable} of {@linkplain Nod ...

introduce This article focuses on how to use Spring MVC and Spring Data to implement paging in the RESTful API. Discoverability of REST pages Within the paging scope, satisfying the REST HATEOAS constraint means that the API client can discover the next page and the previous page based on the current page in the navigation To do this, we will u ...

BeanFactory Source Code Analysis for Spring (2) Preface In the previous section, we briefly analyzed the structure of BeanFactory, ListableBeanFactory, HierarchicalBeanFactory, AutowireCapableBeanFactory.DefaultListableBeanFactory, the main core class, gradually separates BeanFactory's functionality by programmatically starting the IOC containe ...

Project environment Srping Boot Version 2.0.6.RELEASE JDK Version 1.8 configuration file Configure Swagger, using the Swagger.java file Swagger.java package com.xxx.xxx.xxx.config; import com.google.common.base.Predicate; import com.google.common.collect.Lists; import org.springframework.beans.factory.annotation.Value; import org.sprin ...

This article is only a summary of your own, if you need detailed information, please go around. Note: yaml files require strict indentation. By default, two spaces are indented at different levels. 1. Create a Deployment resource object using httpd mirroring [root@master ~]# vim lvjianzhao.yaml #Write yaml file kind: Deployment ...

Why interprocess communication is needed When a process accesses critical resources, it is possible for multiple processes to access critical resources at the same time in the same time, resulting in unexpected errors due to the uncertainty of who executes first between processes (which depends on the process scheduling algorithm of the kernel, ...

Beginning The company organizes the examination. Once it gets the examination question, it's Joseph Ring in the algorithm. Think carefully about what the teacher forgot before, or do you think about it package basic.gzy; import java.util.Iterator; import java.util.LinkedList; import java.util.Queue; /** * Joseph Ring number game, for example ...

Project summary: EF operation and Linq writing record 1. Introduction of EF After creating an MVC project, to reference the EF framework, follow these steps: 1), add project in Models 2) select Entity Data Model and fill in the name again 3) after selecting code first, select the connected database and tables, and then generate them. At th ...

Java console input streams System.in and Scanner System.out is commonly used to output data in the consoleSystem.in can input data from the console Step 1: system. In package stream; import java.io.IOException; import java.io.InputStream; public class TestStream { public static void main(String[] args) { // Console input ...

git merge --squash git merge --squash {srcBranch} Often used infeatBranch merge todevThe complex commit logs are compressed to make the merge clear. take srcBranchAhead of the current branch commits Merge to the current branch, and the current branch does notcommit，Allow us to do it manually once the conflict is successfully merged or resolved ...