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1 set the syntax format of html file xsd file Write xsd file according to the properties of POJO. for example <?xml version="1.0" encoding="UTF-8" ?> <schema xmlns="http://www.w3.org/2001/XMLSchema" targetNamespace="http://www.zhangyh.com/schema/user" elementFormDefault="qualified"> <element name="user"> ...

Given a string, please find out the length of the longest substring that does not contain duplicate characters. Example 1: Type: "abcabcbb" Output: 3 Explanation: because the longest substring without repeating characters is "abc", its length is 3. Example 2: Enter: "bbbbb" Output: 1 Explanation: because t ...

I. Preface This article will describe Spring Security's custom login authentication verification username and password, custom password encryption, and authentication failure or successful processing of returned json format data in the case of front-end and back-end separation. Warm Tip: Spring Security has the default password encryption and l ...

In the previous article, we analyzed step 2 of doCreateBean() in detail: instantiating bean s, and then we analyzed step 4 of doCreateBean() called "cyclic dependency processing", which is populateBean() method. First, review the main process of Bean loading: In the case of singleton mode, get the BeanWrapper instance object from t ...

Cattle and Passenger Network & Huawei Computer Test & Coordinate Moving code implementation #include<iostream> #include<string> #include<vector> #include<cctype> using std::cin; using std::cout; using std::endl; using std::string; using std::vector; int main() { str ...

pandas is a software package of Python language. When we use Python language for machine learning programming, it is a very common basic programming library. This article is an introduction to it. pandas provides a fast, flexible and expressive data structure, which aims to make the work of "relation" or "mark" data simple ...

This is the first article introduced and used by gin. I. brief introduction Gin's official statement is as follows: Gin is a web framework written in Go (Golang). It features a martini-like API with much better performance, up to 40 times faster thanks to httprouter. If you need performance and good productivity, you will love Gin. Official ...

PageOffice's storage mechanism is to save data first and then files, so clicking the Save button once can save both data and files at the same time. But there is a need to save files or data separately. The following is a demonstration of the implementation process. I. Core Code poCtrl.setSaveDataPage("SaveData.jsp");//Set up the page to save ...

Demand: Excel files need to be parsed, uploaded to a table in the database and downloaded. Technology: ElementUI for front-end vue, spring boot for back-end, mybatis Achieving results:   Upload implementation: 1) Field type selection The field type used to store files in the database is BLO ...

Whether on the pc side or the mobile phone side, there are similar categories on the left side, clicking on the right side to switch the content of the functional page. To achieve this function, the first step is to master the method of left and right layout. Left and right layout Flexible Layout is recommended .parent { display: flex; } ...