本文以 StarRocks 官方文档《Arrow function》为核心骨架，系统讲解 json_object_expr -> json_path 这一 JSON 路径查询运算符的语法、参数、返回值与典型用法。通过本文，你将掌握如何用比 json_query 更简洁的 -> 语法从 JSON 列、PARSE_JSON 构造的 JSON 对象中提取嵌套元素，理解 ...

文章浏览阅读140次。2026年9月1日到11日，海内外7家头部模型厂商迭代了新模型。过去大模型的升级周期以年计算，后来缩短到几个月，如今已经开始以周为单位。据OpenRouter平台数据，DeepSeek V4.1 Flash在发布24小时内被处理了约1万亿Token。当模型迭代进入“周更时代”，一个越来越尖锐的工程问题浮出水面：你的应用架构，跟得上这个节奏吗？

Passing "VIP" gives a 1,000 yen discount, but passing new String("VIP") results in 0 yen. Both strings have the same content.What we are fixing this time is this discrepancy. We will use a small ...

Just displaying "Hello, World!" on the screen. It was supposed to be the very first, simplest ritual you do in programming.

05.Data Types and Variables.md 06.Operators in Java.md 07.Static Methods in Java.md 08.Non-Static Methods in Java.md 09.Method Access Method.md 10.Business Logic Class (BLC) and Executable Logic Class ...

OpenTelemetry Java agent 2.32.0 is the release candidate for 3.0, previewing new telemetry conventions, capture settings, and ...

"A personal collection of Data Structures and Algorithms (DSA) implementations in Java. Covers arrays, linked lists, trees, recursion, sorting, searching, and more. Includes notes and solved p ...

Discover MCP Toolbox Java SDK v1.0: secure, type-safe agent orchestration for enterprise Java, with decoupled auth and AlloyDB & Spring Boot support.

We’re over the age of 25; we deserve some fluffy comforters and plush rugs, dammit.

Mitigations are no longer mitigating, and patching is now the only method of defense.

LLMs can dynamically generate error-handling strategies in real time, tailored to specific runtime contexts such as error ...

Spread the loveVisual Studio Code, often simply called VSCode, has become the go-to code editor for developers worldwide. Its flexibility and powerful features make it a favorite among programmers.