Using the BeanUtils class to copy the same name property between DToS
In the development, we often encounter such a scenario that all fields are queried from the database, but some fields do not want to be given When the...
Spring MVC file upload
I. step summary Import jar package Configure web.xml Create configuration file mvc.xml in src directory Create the front page fileupload.jsp Create co...
Webpack learning - how it works
Following the last chapter Article This paper introduces the basic concept of webpack, the whole process, and the function of some events broadcast in...
CentOS 7.5 deploy the latest stable version of jenkins and configure ldap authentication
Reference document https://wiki.jenkins.io/display/JENKINS/Installing+Jenkins+on+Red+Hat+distributions https://wiki.jenkins.io/display/JENKINS/LDAP+P...
Talk about registerConsumer and unregisterConsumer of rocketmq
order This paper mainly studies the registerConsumer and unregisterConsumer of rocketmq. MQClientInstance rocketmq-client-4.5.2-sources.jar!/org/apach...
JFreeChart drawing + jsp page display implementation statistics
1 development environment: 1. eclipse (replaceable) 2,jfreechart-1.0.19 2 Description: (1) source directory: it's the source directory of jfreech...
Encapsulate the table component of element UI, and flexibly configure the header to realize the functions of table editing, button, link, etc.
vue-bxz-table 1. Encapsulate the table component of element UI: Define table height full screen Add foreground paging function. Customize the header a...
[big data learning 02] preparation for Hadoop cluster installation
I. connecting virtual machines to the Internet The virtual machine cannot ping the network card. The following settings are required at this time vi ...
Analyze the Gaud map api to obtain the provincial and urban areas, and generate the latest three-level linkage sql table
Preface: In the recent project, the three-level information of provincial and urban areas in China has been used, but the information found on the Int...
JavaScript series blog
JavaScript series blog (5) Preface This blog study js selector to control css and html, use event (hook function) to handle the specified function aft...
Weather forecast microservice: build spring cloud microservice from 0
As usual Project github link This project realizes the process of transforming a simple weather forecast system into a spring cloud microservice syste...
Replacing scheduled tasks with delay queues
§ 1 RabbitMQ delay queue RabbitMQ delay queue is mainly realized by TTL (Time to Live) and dead letter exchange (Dead Letter Exchanges) of messages. I...
Add and query data table with object-oriented idea, JDBC code is super detailed
In this paper, the JDBC program is written with the object-oriented idea, and the java program is used to add the student information to the data tabl...
Learn from me the factory mode of design mode
The Factory mode is widely used. It can be seen everywhere in the JDK underlying source code and major mainstream frameworks. Generally, classes named...
From the 25th day to the 27th day, the countdown begins to tick
Code Now we need to make a slightly complicated thing, as follows: HTML. There is a pile of Select to Select the date and time. After selection, the d...
Custom plug-in of vertical waterfall flow based on jquery
The company's new project has made a plate about pictures. It found some waterfall plug-ins on the Internet that are not very suitable for itself...
Summary of ssm integration -- the first step is to build a web project with maven
The content of this paper comes from: Mountain Silicon Valley. It integrates task 2, task 3 and task 4. http://www.gulixueyuan.com/my/course/50 1 Desc...
Introduction to Scala basic syntax
1. Definition of variables Note: there is no concept of static in scala. All methods and properties in the class decorated by the keyword object are ...
shell training camp Day29
Exercise 86In CentOS 6 system, we can use ntsysv to shut down the services that do not need to be started, of course, we can also use chkconfig tool ...
webmagic crawler's handling of static page, dynamic page and js request mode crawling
webmagic crawls web data. For [page crawling content], see the previous blog post https://segmentfault.com/a/1190000020005655The official documents of...
Componentized Architecture Design: gradle Componentized Configuration, Introduction and Use of APT+javapoet
Blog Home Page Reference resources: Gradle Core (5): Gradle Advanced Customization gradle componentized configuration The configuration of Android com...
[uvvccamera / novice] Android Studio Compiling & stepping on the pit
In the front Android Studio version: 3.2 Operating system (AS): Windows10 Android version: 5.0.2 Camera: USB camera (640 * 480 spicy chicken) Open so...
java multithreading, communication between two threads
Example: two threads execute in turn package com.heima.day25; public class Demo004 { public static void main(String[] args) { Print print = new Print...
springboot: shiro injecting dubbo service null pointer
Problem description When the springboot+dubbo+shiro microservice is set up recently, in the custom shiro's realm component: @Component public cla...
What are the similarities between Python and JS?
Python is a widely used language. It can automate scripts, crawlers, and even in the field of deep learning. As a front-end developer, I also know tha...
SpringBoot practice | using JdbcTemplates to access Mysql
WeChat public number: an excellent wasterIf you have any questions or suggestions, please leave a message in the background. I will try my best to sol...
demo based on UDP sending messages to each other
I. demo function and significance This demo is mainly to demonstrate the application mode based on UDP protocol. It consists of two sections of code:...
Using cxf to write the next part of spring based Web Service
Copyright notice: This is the original article of the blogger. It can't be reproduced without the permission of the blogger. https://blog.csdn.n...
Record a string compression operation
There is a scenario in the project: a batch of data needs to be sent to the APP side, and in the actual application scenario, there is a certain limit...
Interaction between web and APP -- WebView JavaScript Bridge
In the actual project, we often encounter the situation that the web page is embedded in the app (Hybrid), which requires the interaction between the ...