Architecture direction - build a multi module single architecture

If you need to practice the single architecture or need to build a single multi module, this article can serve as a reference 1. Construction of the outermost layer of the project 2, Module building Common dependency module 2.2 public module pom modification 3. Calls between modules 1. Constru ...

Posted on Sun, 07 Jun 2020 02:55:10 -0700 by varasurf

Tomcat startup process (how to accept the connection)

Let me take a look at the whole structure related to the connection part: Through the previous introduction, the server.xml Through the Digester to create the structure of the entire container, we will review the previous content. Some contents in the createStartDigester method (here create a Connec ...

Posted on Sat, 06 Jun 2020 01:37:27 -0700 by Jacquelyn L. Ja

Organization code and unified social credit code verification rules and java verification tool class

Organization code Edit coding rule 1. The national organization code consists of eight digit (or capital Latin letter) body code and one digit (or capital Latin letter) verification code. The ontology code adopts the sequential coding method of series (i.e. partition segment). The check code is calcula ...

Posted on Thu, 04 Jun 2020 19:09:11 -0700 by pieychpi

Kafka cluster construction and necessary knowledge and meeting

Kafka cluster deployment and startup In this article, we will start by demonstrating how to build a Kafka cluster, and then briefly introduce some basic knowledge points about Kafka cluster. However, this paper only introduces the cluster, and does not explain the basic concept of Kafka too much. It is assumed that the reader has some basic kn ...

Posted on Thu, 04 Jun 2020 18:21:26 -0700 by Stonewall

Hadoop example: calculating the total amount of stock transactions

The optional Cloud Computing and Big Data Overview final job requires a stock case study with the following specific requirements: Case: Attachment Document TextData.txtThe file (shown in Fig. 1) shows the trading data of the daily stocks from 2011-1 to today, the trading data of the daily stocks, the t ...

Posted on Thu, 04 Jun 2020 11:54:49 -0700 by poppy

Nagios monitoring server of three swordsmen

Blog directory 1, Nagios 1. Nagios introduction 2. Main functions of Nagios 3. The role of Nagios 4. Nagios common monitoring status 5. The principle of Nagios 2, Install LAMP environment 3, Install Nagios 1. Install Nagios components 2. Configure Apache to support Nagios 3. Configure SendMail messages 4, Nagios monitoring Linux client 1. Ins ...

Posted on Wed, 03 Jun 2020 21:28:04 -0700 by hostseller

[Centos] deploy the helpingscheduler from scratch

1. Environment configuration Install JAVA 1.8 / MySQL 5.7 / ZooKeeper 3.5.8 1.1 installing JAVA 1.8 Check whether there is an installation. If there is one, delete it first rpm -qa | grep java # java-1.7.0-openjdk-1.7.0.71-2.5.3.1.el7_0.x86_64 rpm -e --nodeps java-1.7.0-openjdk-1.7.0.71-2.5.3.1.e ...

Posted on Tue, 02 Jun 2020 19:45:11 -0700 by dsjoes

Spring07_ Pure annotation and spring integration Junit

For the source code of this tutorial, please visit: tutorial_demo In spring04_ In IOC and DI, we use XML configuration and Apache Commons DbUtils to implement single table CRUD operation. In this tutorial, we use pure annotation and Apache Commons DbUtils to implement single table CRUD operation. 1, Requirements and technical requirements 1.1 ...

Posted on Wed, 27 May 2020 22:53:16 -0700 by hatching

Sensitive Field Mask Processing in System Logs

For the development of financial business, many interfaces need to use user information, and there will inevitably be some sensitive fields in user information, such as user name, bank card number and so on.Therefore, when users save sensitive information and log printing, they cannot save sensitive inf ...

Posted on Wed, 27 May 2020 17:36:58 -0700 by auday1982

Spring04_IOC and DI in action

For the source code of this tutorial, please visit: tutorial_demo Before learning this tutorial, you need to know (use it if you want) the following: Database connection pool c3p0; Apache Commons DbUtils. Learning without practicing is false. Next, we use the knowledge of IOC and DI learned before to combine Apache Commons DbUtils to implem ...

Posted on Mon, 25 May 2020 08:51:45 -0700 by squiblo