Day June 6, 2026

Gemini Model Management: Ending Inefficiency – How Model Registry Tripled Our Cost Tracking Speed Managing our Gemini model system had become a real headache. Model versioning was a mess, and tracking costs for each AI task was incredibly inefficient. I…

最近发布了 xlt-token@1.0.0-rc.1，一个为 NestJS 设计的 Token 鉴权库，灵感来自 Java 生态的 Sa-Token。 仓库：github.com/xiaoLangtou/xlt-token 功能列表看起来不复杂——登录、登出、踢人、权限校验、会话存储——但动手实现时，每个”理应如此”的能力背后都有几个不那么显然的选择。这篇文章想聊聊其中几个，主要是为了自己复盘，也希望对做类似设计的人有参考价值。 为什么不直接用 Passport？ @nestjs/passport 几乎是 NestJS 鉴权的默认答案，但它本质上是个 strategy 调度器——你提供策略（local / jwt / oauth2），它负责调度。它不解决的问题包括： 同账号在第二台设备登录时，第一台应该被踢还是共存？用户被踢下线后，前端拿到 401，怎么区分”token 过期”和”管理员强制下线”？用户连续操作 24 小时不该被踢，但闲置 30 分钟应该自动登出——这两种过期机制怎么同时支持？除了 loginId，还想存最近 IP、设备 ID 等数据，且与 token 同生命周期。 这些是业务侧每次都要重新发明的轮子。Sa-Token 在 Java 生态把它们统一封装好了，我希望…

` A hands-on guide to one of the most powerful algorithmic patterns you’ll use every week — with real code in Java, Python, and C. ✍️ Written for developers who want to level up · ⏱ ~25 min read The…

I built 342 browser-native dev tools — here’s why everything runs client-side Over the last few months I quietly built ZeroServer.tools — a suite of 342 free developer utilities. JSON formatter, Base64 encoder, hashing, JWT decoder, regex tester, image compressor,…

Most code health scores are vibes. A number goes up, a number goes down, and nobody checks whether the files it flags are the files that actually break later. I wanted to know if the score I built does better…

A fresh edition of Java Annotated Monthly has landed! The world of software development keeps moving at full speed, and this month’s selection helps you keep up without drowning in tabs. Inside, you’ll find hand-picked articles, podcasts, videos, and thought-provoking…

Most programming languages follow a familiar trajectory: early experimental releases, rapid iteration, and then – at some point – a 1.0 version that signals stability and the potential for serious adoption. Zig hasn’t followed that well-trodden path. What could be…