Programmer Group

1.springmvc is essentially the encapsulation of servlet s. When a user sends a request, the working principle of springmvc is as shown in the figure: The process is as follows: 1. The user sends the request to the front-end controller dispatcher servlet. 2. The dispatcher servlet receives the request to call the HandlerMappin ...

I. create the spring boot project 1.File->New->Project image.png 2. Select Spring Initializr, then select the default url and click [Next]: 2.jpg 3. Modify project information 3.jpg 4. Select the template of the project 4.jpg 5.jpg 5. Fill in Project name and project location, and then click Fin ...

Preface We wrote the foundation of spring yesterday, and continue to write the knowledge related to web today The use of spring web Import dependency first <dependency> <groupId>org.springframework</groupId> <artifactId>spring-core</artifactId> <version& ...

The call scenario of jetty is: in order to support the annotation mode in the Servlet specification (so that it is no longer necessary to describe the deployment of the Servlet in the web.xml file and simplify the development process), jetty will scan the class and lib packages when it starts, register the Servlet and Listener declared in the a ...

Machine distribution hadoop1 192.168.56121 hadoop2 192.168.56122 hadoop3 192.168.56123 Preparing the installation package jdk-7u71-linux-x64.tar.gz zookeeper-3.4.9.tar.gz hadoop-2.9.2.tar.gz Upload the installation package to the / usr/local directory of three machines and extract it Configure hosts echo "192.168.56.121 hadoop1" >> /etc/ ...

Dlib technology comes from the paper of some college Daniel. It uses 68 feature points such as eyes, facial contour, bridge of nose, eyebrows and mouth to represent facial features. import cv2 import face_recognition as fr from PIL import Image, ImageDraw import numpy as np facial_features = ['chin', 'left_eyebrow', 'right_ey ...

Recently, I am working on the object pose recognition program, and I have read many related papers. However, it can't be mastered just by looking at it. It is found that there is implementation of linemod in opencv. I'm going to look at this method first. I'll talk about the specific implementation process in the future and see ...

The interface after static loading is as follows. The two fragments are located on the left and right of an activity respectively:     There is a Fragment on the left and a Fragment on the right, which just fills the whole activity. There can be multiple fragments in an activity. The meaning of fragments is that the interface can be divided int ...

The interface of Eureka server can be customized, and the method is relatively simple. Let's take a look at the modification method. In some companies, the interface of service registration center may need to be completely customized. It needs to carry some company features and elements. If so, the content of this chapter can help you, and the ...

The first step is to download tomcat and configure the multi tomcat running environment; ① download tomcat, extract two copies to D:\tomcats directory, and rename them: tomcat_8080 tomcat_8090 ② replace the Catalina home in startup.bat and catalina.bat under the bin directory of tomcat_withcatalina home ③ replace the Catal ...