Binding is the process of converting a request's JSON body into a Java object (DTO). In this article, I refer to an HTTP status of 200 as acceptance and 400 as rejection.

In-memory data caching can be one of the most effective strategies to improve your overall application performance and to reduce your database costs. Caching can be applied to any type of database ...

What is a remote procedure call (RPC)? RPC is a protocol that allows a computer program to execute a procedure or function on another computer or server, without the need for the programmer to ...

This article presents links to and descriptions of built-in operators and functions for strings and binary types, numeric scalars, aggregations, windows, arrays, maps, dates and timestamps, casting, ...

JSON转Excel是企业级Web系统中高频但易出错的数据导出场景，其本质是将结构化JSON数据按Excel语义（行列、样式、类型、编码）进行保真映射。技术原理涉及JSON扁平化处理、流式内存控制（如SXSSFWorkbook）、前端Blob流式下载与进度反馈等关键环节。该方案兼顾大数据量下的稳定性与小数据量下的响应 ...