Using Java driver to operate ArangoDB

I've said how to use the Web, Shell and Restful API of ArangoDB to operate the database. Today, let's see how to use the Java language to operate the ArangoDB database. First, create a Maven project and add the Java driver library of ArangoDB <dependency> <groupId>com.arangodb</group ...

Posted on Sat, 01 Feb 2020 12:26:28 -0500 by safra

How to integrate Hive and HBase

Version Description: HDP: 3.0.1.0 Hive: 3.1.0 HBase: 2.0.0 I. Preface Before learning HBase, we had doubts. Although HBase can store hundreds of millions or billions of rows of data, it is not very friendly for data analysis. It only provides a simple quick query ability based on Key values, and cannot perform a large number of conditional qu ...

Posted on Fri, 31 Jan 2020 14:23:36 -0500 by buck2bcr

CentOS 7 Apache binding domain name and website

CentOS 7 Apache binding domain name and website Applicable scenario A server runs multiple websites. Each website wants users to access it directly through the secondary domain name, rather than through the subdirectory of the same domain name Configuration process Determine the management files of your own Apache server U ...

Posted on Fri, 31 Jan 2020 02:55:48 -0500 by nloding

Java Foundation (8): Send Mail

[Preface] Earlier, there was an urgent function to do, some of which required email notifications; through consulting and experimentation, a function to send emails quickly was written; now organize your notes. [Send Mail] 1. Introducing dependencies in POMS <dependency> <groupId>javax.mail</groupId> ...

Posted on Thu, 30 Jan 2020 12:01:49 -0500 by PhillNeedsHelp

Spark getting started Idea remote submission project to spark cluster

1, Dependent package configuration The related dependency packages of scala and spark. The number of versions underlined after spark package should be consistent with the first two digits of scala version, that is, 2.11 pom.xml <?xml version="1.0" encoding="UTF-8"?> <project xmlns="http: ...

Posted on Thu, 30 Jan 2020 10:39:11 -0500 by max_power

Shiro? Day01 Shiro basic concepts and code

Basic concepts shiro: Security Management Framework Subject: the entity class to be verified also serves as the external interface of shiro framework Security Manager: Security Manager, the core of shiro framework, is responsible for calling other modules for authorization and authentication Authen ...

Posted on Thu, 30 Jan 2020 09:56:56 -0500 by Distant_storm

Talk about the max delivery attempts of artemis

order This paper mainly studies the max delivery attempts of artemis maxDeliveryAttempts activemq-artemis-2.11.0/artemis-server/src/main/java/org/apache/activemq/artemis/core/settings/impl/AddressSettings.java public class AddressSettings implements Mergeable<AddressSettings>, Serializable, EncodingSupport { //...... public static ...

Posted on Mon, 27 Jan 2020 11:13:54 -0500 by AdRock

Help: SSH integration cannot be added, deleted or modified

On the problem that SSH cannot be added, deleted or modified after integration Let's see. My background is integrated with spring, spring MVC and hibernate spring.xml: <?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www. ...

Posted on Mon, 27 Jan 2020 10:11:20 -0500 by tomm098

Detailed explanation of three working modes and directory attributes of Apache (Theory + experiment)

Article directory Preface: 1, An introduction to Apache's working mode 1.1 introduction to Apache working mode 1.2 Apache working mode viewing method 2, event mode 2.1 event working mode 2.2 details of event parameters 3, prefork mode 3.1 introduction to perfork 3.2 working mode of prefork 3.3 d ...

Posted on Mon, 27 Jan 2020 02:09:52 -0500 by Uranium-235

Let's talk about artemis' slowconsumerreperrunnable

order This paper mainly studies the slowconsumerreperrunnable of artemis SlowConsumerPolicy activemq-artemis-2.11.0/artemis-server/src/main/java/org/apache/activemq/artemis/core/settings/impl/SlowConsumerPolicy.java public enum SlowConsumerPolicy { KILL, NOTIFY; public static SlowConsumerPolicy getType(int type) { switch (type) { ...

Posted on Sat, 25 Jan 2020 11:03:01 -0500 by ThunderAI