Handling PDF in Java With Apache PDFBox

Apache PDFBox is a Java tool for working with PDF documents. In this post, we’ll introduce how to use Apache PDFBox to handle PDF files. The

Web Application Environment Installation

I. Basic conceptsPackage Management on Operating SystemsDebian/Ubuntu Package ManagementAdvanced Packaging Tool – APT apt-get is a comm

In this post, we’ll cover how to configure CORS in a Spring Boot project. If you want to understand how CORS works, you can check out the ar

How to allow CORS requestsTo allow CORS requests, You need to add the following headers to your HTTP response Access-Control-Allow-Origin:

What is SSL CertificateAn SSL Certificate is essentially an X.509 certificate. X.509 is a standard that defines the structure of the certifi

Elasticsearch Java APIJava Low Level REST client Since 5.6.x 12345<dependency> <groupId>org.elasticsearch.client</groupId

Development of new software productsBuild the basic framework of the project. Developing new features for existing applications. (refer to t

Sometimes we need to redirect to our other websites without login again. In addition to single sign-on, we can also add a URL parameter to a

Content Types, Values, and Variables Expression, Statement, Functions Objects, Classes Arrays Sync JavaScript in Web Browsers Modules Expr

Single sign-on (SSO) is an authentication method that allows users to sign in using one set of credentials to multiple independent software