回调函数（callback）是 JavaScript 中无处不在的编程范式，从数组迭代到异步任务都离不开它。但“看似无害的函数直接用作回调”恰恰是 bug 的温床。本文以 30 Seconds of Code 仓库中的 callback-pitfalls.md为骨架，结合仓库源码逐层拆解 parseInt() 与 Array.prototype.map() 组合 ...

本文是 open-slide 项目中 Vercel React Best Practices 技能集中 JavaScript 性能优化规则 js-set-map-lookups 的深度展开。它解决的是前端 ...

作者 | Nik Kale译者 | 张卫滨核心要点将 MCP 安全视为四个控制层而非单一的协议特性。执行、基础设施管理、出站信任与语义完整性都需要对应的强制执行点。使用网关进行认证、授权与审计，但不要指望它能检测语义滥用或保护管理平面。在注册时对工具 ...

Shallow Size：对象自身占用内存的大小，不包括它引用的对象。JavaScript 对象会将一些内存用于自身的说明和保存中间值。通常，只有数组和字符串会有明显的浅层大小。 Retained Size：这是将对象本身连同其无法从 GC root 到达的相关对象一起删除后释放的内存大小。

IT之家 9 月 7 日消息，在今天的小米秋季旗舰新品发布会上，小米创办人、董事长兼 CEO 雷军发布了玄戒 O100 芯片。 据介绍，玄戒 O100 是 1.22TB/s 高带宽 AI 加速芯片，全球首款 6nm 3D 晶圆级堆叠先进封装，辅以先进混合键合工艺，键合间距逼近物理极限。 IT之家从 ...

I left the DOM castle town of JavaScript and entered the GAS Castle in the Sky.What I did this time was read values from a ...

You can process array elements.

I drove its lattice-mcp tools by hand from a TypeScript client, checked every answer against grep, and hit five gotchas.

Jev, TypeSafe AI's System One decision model is a watershed moment in AGI. How it works, Jev source code in Python, ...

Over the past year, the world’s attention has turned to economic chokepoints—with good reason. Iran has exercised its control over the Strait of Hormuz to gum up the global economy, and China has used ...

To reduce the spread of diseases such as AIDS and hepatitis C, they handed out clean needles. To reduce the toll of overdoses ...