本文从原理到实践系统地分享了如何高效使用AI编程工具。涵盖其底层机制（如Token计算、工具调用、Codebase索引与Merkle ...

Abstract: Code completion refers to automatically generating the missing parts of code based on existing code snippets. Code completion can help programmers improve their coding efficiency and reduce ...

Neetcode 150 is a curated list of 150 LeetCode problems designed to cover all possible patterns & topics in data structures. Mainly practicing in C, C++, Rust, Python ...

Elisp is a lisp-2 with user-defined macros. A simple parser cannot detect if e.g. (foo (let ...)) is a function call with a let expression argument, or a macro call where let means something else.

December 31, 2025 • A few years back, many politicians were raising the alarm about the dangers of "CRT" in schools. Today, the new risk to public education is "DEI." What do both of these moments ...

Sub‑100-ms APIs emerge from disciplined architecture using latency budgets, minimized hops, async fan‑out, layered caching, ...

二维码（Quick Response Code，简称QR码）自1994年由日本电装公司发明以来，因其高密度信息承载能力、快速读取特性及开源标准支持，已广泛应用于支付、身份验证、物流追踪、广告营销等多个领域。特别是在移动互联网普及后，智能手机普遍内置摄像头与扫码功能，使得QR码成为连接物理世界与数字服务的重要桥梁。然而，这一便利性亦被网络犯罪分子迅速利用，演变为新型网络钓鱼载体。 2025年下半年， ...

Every year, a 20-metre Christmas tree from Norway is erected in Trafalgar Square. Image: iStock/stockcam "Trafalgar Square is changed as never before. A 48-ft Christmas tree has sprung up on the west ...

The Christmas tree is a wonderful and historic tradition that we don our homes with every Christmas to fill us with spirit and to lay our gifts underneath. However, it is the birth of our Lord and ...