后端工程师亲述 Claude 实战用法：不只生成代码，更要它解释推理过程，值得每一个用 AI 写代码的人学习。
For a while, I treated Claude like a fancy autocomplete — ask a question, paste the answer, move on. That approach worked, but it wasn't until I slowe…
15分钟搭一个MCP服务器：数据库+配置+令牌，手把手搞定AI工具的自定义数据通道。
Most MCP tutorials hand you a Node project. You install an SDK, write a tool handler, wire up stdio, and end up with something that runs on your lapto…
从真实支付延迟案例切入，讲透API可观测性与普通监控的本质区别，并给出落地实践路径。
Khả năng quan sát API (API observability) là khả năng hiểu vì sao API hoạt động như hiện tại dựa trên dữ liệu đo lường (telemetry) mà API phát ra: met…
输入网址后发生了什么？一文讲透DNS、HTTP与服务器响应全流程，后端入门必读。
Every day we open a browser, type a website address, and within a few seconds a webpage appears. It feels almost magical, yet behind that simple actio…
深度解析支付API幂等性，11年经验告诉你为何必须从第一天就实现
There's a version of this story that plays out at almost every fintech startup I've worked with: the team ships a payment API, it works in testing, it…
教你用Node.js调用Telnyx AI助手API，快速搭建AI聊天后端端点，步骤清晰易上手。
Article URL: https://old.reddit.com/r/Telnyx/comments/1ukn7n3/how_to_build_an_ai_chat_endpoint_in_nodejs_with/ Comments URL: https://news.ycombinator.…
从只盯着正常流程到重视异常路径，这是后端开发者认知升级的关键一课。
One thing that backend slowly taught me... When I started learning backend, my focus was always on the happy path. I used to think, user sends the cor…
把OpenAPI规范一键变成有状态的模拟后端，接口开发联调更省心
Article URL: https://github.com/enricodeleo/crudio Comments URL: https://news.ycombinator.com/item?id=48726455 Points: 2 # Comments: 0
请求进 Spring Boot 后到底走了哪些路？这个交互式可视化工具把生命周期一步步拆给你看，后端调试不再靠猜。
Every Spring tutorial teaches you the annotations — @RestController , @Service , @Repository — but almost none show you the journey a single HTTP requ…
让AI写后端代码，功能能跑但安全呢？作者亲测后发现了惊悚真相——安全不是靠"能运行"来衡量的。
Then I Ran a Security Audit. Artificial Intelligence has completely changed how I build software. Today I can ask an AI assistant to generate: REST AP…
通俗拆解REST API核心设计原则，从资源表示到实践细节，适合开发者快速掌握规范
Re presentational S tate T ransfer is an architectural style used for designing the network applications. Instead of relying on complex protocols REST…
避免Vibe Coding的陷阱？用Swagger Editor明确API规范，支持OpenAPI标准，从源头减少返工和bug
Vibe coding is intoxicating. You describe what you want in plain language, the AI writes the code, and ten minutes later you have a working endpoint. …
一文揭示MCP服务器写入工具静默丢失请求体的关键Bug，附排查与修复思路，后端开发者必读
If you have built a Model Context Protocol server with a passthrough tool, the kind that lets the model call any endpoint, there is a real chance its …
5分钟实现NestJS JWT认证，简洁高效，开发必备实战指南
NestJS Authentication in 5 Minutes 🔐 Authentication in NestJS sounds complicated at first… But the actual flow is surprisingly simple 👇 User Login ↓ V…
arXiv新研究揭示LLM代理在后端代码生成中面临"约束衰减"问题，系统脆弱性令人警醒。
Article URL: https://arxiv.org/abs/2605.06445 Comments URL: https://news.ycombinator.com/item?id=48256912 Points: 4 # Comments: 0
深入解析API设计中异步模式的实用指南，结合Request-Response局限性与现代异步方案，适合开发者提升架构设计能力
In this article, we will look at each of these patterns in detail, along with their advantages.