Programmer Group

spark shell is only used to test and validate our programs. In production environment, programs are usually programmed in IDE, then packaged into jar packages and submitted to the cluster. The most commonly used method is to create a Maven project to manage the dependencies of jar packages by Maven. First, edit Maven project on ...

Compiler: Intellij IDEA System environment: MAC OS Related technologies: Maven, tomcat 7, jdk8 1. Create projects First, create a web Application project (we're going to use maven to introduce Jersey's related jar package, so we don't need to create a restful project directly, because the restful project will download Jersey related jar package ...

When multi-terminal (WEB/mobile) needs common business logic, RESTful-style services are generally constructed for multi-terminal use. To reduce the cost of frequent communication with the corresponding terminal development team, we will initially create a RESTful API document to record all interface details. However, as the project progresse ...

According to POM 4.0.0 XSD, the build element is conceptually divided into two parts: BaseBuild (including the common parts of poject build and profile build, see below) and some advanced features included in poject build. <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instan ...

Spring Data Neo4j is divided into two main components. 1. OGM SUpport 2. Spring Data Repository Support 3. maven 3.1 SDN connects neo4j via BOLT driver <dependency> <groupId>org.springframework.data</groupId> <artifactId>spring-data-neo4j</artifactId> </dependency> ...

Java parsing OFFICE(word,excel,powerpoint) and PDF implementation scheme and bit-by-bit sharing in development Here, I share my experience and feelings before writing this article. All my feelings are condensed into one word: pit. If there are two words, it is "huge pit"=> because this demand is not the same at the beginning, and l ...

Service Registry Service registry can achieve service external unification through specific protocols. Dubbo mainly provides the following types of service registries: Multicast Registry Zookeeper Registry Redis Registry Simple Registry In this paper, ZK is used as the service registry, and the construction of ZK environment is not i ...

Get other sister chapters of a Document object from a URL:Simulated Browser: Getting Web Page Data Simply (1)Simulated Browser: post Simulated Log-in to Get Web Page Data (2)Simulated Browser: Use of Jsoup Tool Class and retry Strategy for Failed Retries (3) Tool class: As the name implies, it is a tool for others to use as a tool. It only pro ...

If you like to read Wechat, you can also pay attention to my Wechat public number: learn java well and get high quality learning resources. Finally, I have time to do java. Today, I use IDEA to build a multi-module aggregation project based on maven. After many attempts, I finally succeed! Note: ** This is an improved version based on the ori ...

I haven't written a blog for a long time, mainly because I've been busy lately. Today, I have a piece in my busy schedule. ================ I am a gorgeous partition line============== Micro-service architecture is a distributed architecture. Micro-service system is divided into service units according to business. A micro-service often has m ...