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1, Crawling through the Chinese poetry net import re import requests def handler_url(url):     header={         "User-Agent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.87 Safari/537.36"     }     reponse=requests.get(url,header)     text=reponse.text     titles=re.findall(r'<div\sclass ...

Key knowledge points: Maven's assembly plug-in implements custom packaging deployment (including dependent jar packages) At present, there are several common deployment methods of spring boot project. 1. Use the docker container to deploy, build the application of springboot into a docker image, and then start the image through the containe ...

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Recently I learned the integrated development of SSM framework. Now I try to develop an employee management system by myself. I hope I can skillfully use SSM framework in the process of writing BUG. The development of B/S end is adopted in this system, and the tools used are ideas, 019, navicat and mysq ...

Link to mycat:Mycat official websiteMycat download linkOfficial documents of Mycat，Baidu online disk official document download link, extraction code: f9nq. Mycat short document Before you start, read the brief Mycat documentation to get a general idea of it. Note: MyCAT supports a variety of database access, including mongodb, oracle, sqlser ...

I have a TextView that I want to add black borders along its top and bottom borders. I try to put android:drawableTop and android:drawableBottom into textview, but this will only cause the whole view to turn black. <TextView android:background="@android:color/green" android:layout_width="fill_parent" android:layout_height="wra ...

Button class component (radio button and check box) Radio button Radio button: usually a circular icon, with some descriptive text beside it. In most cases, radio buttons appear in groups. Only one radio button in a group can be selected at the same time. In the activity main.xml file, use the Rad ...

Needs and problems Core demands Existing system, no reconstruction Spring version 3.x, do not plan to upgrade or introduce Spring Boot It is expected to realize some functional enhancements on the premise of less code changes For example, make a unified log for the whole site, add the summary of ...

Read and parse json type data 1. What is JSON?   JSON(JavaScript Object Notation) is a lightweight data exchange format that uses a language-independent text format. It is the ideal data exchange format, and JSON is the native JavaScript format. Ideal for interaction between server and JavaScript ...

Spring IOC container IOC container: Spring container is a core component of spring framework. It will create objects, connect them, configure them, and manage their whole life cycle from creation to destruction. IOC container is a container with the function of dependency injection. It can create o ...