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Why can't the attribute binding label of v-if always be bound when the background data is displayed in vue-for? Servlet gets data from MySQL private void showComment(HttpServletRequest request, HttpServletResponse response) throws Exception { session = request.getSession(); //Get the ...

Preface: Although it is strongly recommended to use domestic open source configuration centers, such as Ctrip's Apollo configuration center and Ali's Nacos Registration & configuration center. However, when choosing the actual architecture, according to the actual project size, business complexity and other factors, some projects will still ...

1. pain spot The emergence of a framework to solve a pain point, I think the following inconvenient operation is often written.Suppose the Car class is a database mapping class:​​ package cn.felord.mapstruct.entity; import lombok.Data; /** * Car * * @author Felordcn * @since 13:35 2019/10/12 **/ @Data public class Car { ...

This article comes from liuyubobobo bobobobo's video tutorial "Playing Data Structures from Initial to Advanced" The list structure is shown below. The list node contains an e attribute and a next attribute. Using java code to implement linked list nodes // struct Node private class No ...

I. Preface It is a common requirement to convert DOM into pictures in project development nowadays. So I decided to use html2 canvas as a plug-in. PS: There are many versions. Here is the latest version. Two, code 1. Installing plug-ins npm install html2canvas --save 2. Use (Picture class="pic" in this page is randomly selected, so t ...

The article was forwarded from the professional Laravel developer community, the original link: https://learnku.com/laravel/t... We are The third part Instead of building a real client, we learn to use Vue routing to get component data. Now we are ready to turn our attention to the ability to create CRUD s for users - this tutorial will focus ...

What is CSRF? Cross Site Request Forgery (Cross Site Request Forgery) is a network attack. It was listed as one of the 20 major security risks of the Internet in 2007. It is also known as "One Click Attack" or Session Riding. It is usually abbreviated as CSRF or XSRF. It is a malicious use of the website, which is known as phishing w ...

Looking at the login middleware, I found that request.user returned a SimpleOject object. Looking down, I turned to LazyObject. I didn't understand the source code for half a day. After searching a lot of information on the Internet to find out what functions lazy loading implements, and then looking back at the source code, we may know the pr ...

Tool class used: org. jeecgframework. poi. excel. Excel ExportUtil The source code is as follows: public class ExcelExportUtil { private ExcelExportUtil() { } /** * @param entity * Table Title Properties * @param pojoClass * Excel Object Class ...

The difference between property and attribute <div id="div1" class="class-div1"> <P id="p1" data-name="p1-data-name">this is p1</P> <P id="p2">this is p2</P> </div> //property var div1 = document.getElementById('div1') console.log(div1.className) div1.className = ...