HTTP Caching

HTML pages referred static files (images, js and css etc) can be cached in your browser by setting HTTP response header attributes about cac

Chrome DevTools Common Use

ElementsView Event Listeners of HTML ElementsElement -> Event Listeners Ancestors: unchecked All/Passive/Blocking: Blocking Framework li

Spring Boot uses a very particular PropertySource order that is designed to allow sensible overriding of values. Properties are considered i

LambdaOptionalChecking value presence and conditional action 1234567891011SysUser user = new SysUser();SysDept dept = new SysDept();dept.set

BackgroundWhen I execute a SQL script of the dump of a database structure and data, occurs an error “The user specified as a definer 'xx

Max Upload File Size in NginxThe default max upload file size in NginxThe default maximum body size of a client request, or maximum file siz

BackgroundCalling backend API, the status code of the response is 500, but the backend is not throw exceptions. The HTTP response message is

JUnit 5 Improvements JUnit 5 leverages features from Java 8 or later, such as lambda functions, making tests more powerful and easier to mai

Problem DescriptionGiven two integers dividend and divisor, divide two integers without using multiplication, division, and mod operator. Th

In this post, the code examples of Apache POI are based on org.apache.poi v5.0.0 WordWrite Data into WordA basic use example 12345678910publ