汇聚 V2EX、Hacker News、掘金等 IT 社区的热门讨论与精华内容。
Hacker NewsHacker News技术讨论「【经翻译】在 Raspberry Pi Pico 2 W 上用 Rust 实现 Matter Wi-Fi 灯泡」的核心内容是：这个仓库包含面向 Raspberry Pi Pico 2（RP2350）开发板的示例，使用 Rust 和 Embassy 异步框架编写。其中包括通过 Embassy 从 HS3003 传感器读取温度和湿度数据。Renesas HS3003 是一款高性能温湿度传感器；外部来源：github.com。 外部正文摘录（经翻译）：这个仓库包含面向 Raspberry Pi Pico 2（RP2350）开发板的示例，使用 Rust 和 Embassy 异步框架编写。其中包括通过 Embassy 从 HS3003 传感器读取温度和湿度数据。Renesas HS3003 是一款高性能温湿度传感器。
Hacker NewsHacker News技术讨论「【经翻译】Show HN：Lathe，用大模型学习新领域，而不是跳过学习过程」的核心内容是：这是一个用大模型教你学习，而不是替你思考的实验。Lathe 可以按需生成多部分、动手型技术教程，并通过技能配置让内容更容易理解。随后你需要在本地界面里亲手完成这些教程；外部来源：github.com。 外部正文摘录（经翻译）：这是一个用大模型教你学习，而不是替你思考的实验。Lathe 可以按需生成多部分、动手型技术教程，并通过技能配置让内容更容易理解。随后你需要在本地界面里亲手完成这些教程。
Hacker NewsHacker News技术讨论这条外部内容围绕「【经翻译】Show HN：I Derived a Pancake」展开，重点关注软件供应链安全、恶意包投递、数据外传和依赖治理；外部来源：absurdlyoptimized.com
Hacker NewsHacker News技术讨论这篇论文量化智能体软件工程中的 Token 消耗分布，讨论提示、工具调用、上下文、执行反馈和评估环节分别产生多少成本，适合用来分析 AI 编程工具的真实使用成本；外部来源：arxiv.org
Hacker NewsHacker News技术讨论OpenAI 这篇文章讨论智能体优先环境中的工程支架建设，重点是如何用 Codex 改造测试、评估、自动化和开发流程，让智能体更稳定地参与工程交付；外部来源：openai.com
Hacker News精华Hacker News技术讨论这条外部内容围绕Spring Boot 数据库访问性能优化、SQL/索引/连接池/ORM 查询效率和系统瓶颈排查展开，适合关注相关实现、产品取舍和社区反馈的读者；外部来源：。 外部正文摘录：The compromises allowed the hackers to take over the person's entire Instagram and any linked accounts, including obtaining contact information, dates of birth, and profile information, as well as the ability to access the person's posts, direct messages, and account activity, the notice reads. Meta's notice confirmed …
Hacker NewsHacker News技术讨论这条外部内容围绕模型公司全栈化、欧洲 AI 基础设施、算力布局和企业落地路径展开，适合关注相关实现、产品取舍和社区反馈的读者；外部来源：cnbc.com。 外部正文摘录：A Google Cloud spokesperson told CNBC by email that the deal was made "to ensure we have bridge capacity to meet surging customer demand for our 智能体 platform, Gemini Enterprise, which has been even higher than we expected.
Hacker News精华Hacker News技术讨论原文摘录：Most of us were amused when DALL-E and its peers went mainstream, and we were quick to point out the obvious flaws. Then ChatGPT hit the scene and again, many of us dismissed it as a parlor trick that would never amount to much. Using LLMs for coding initially was a only small step up from basic code completion, and a …
Hacker NewsHacker News技术讨论文章围绕 Spring Boot 场景下的数据库访问性能优化展开，重点关注 SQL 执行效率、索引设计、连接池配置、ORM 查询和并发增长后的系统瓶颈排查；外部来源：0xkato.xyz。 外部正文摘录：I’ll cover the core mechanisms inside modern transformer-based LLMs, without all that sticky math stuff. Most modern LLMs share the same transformer-family skeleton. That conversion step is called tokenization. A tokenizer takes a string and produces a sequence of integers, where each integer points to an entry in a fi…
Hacker NewsHacker News技术讨论这条外部内容围绕Spring Boot 数据库访问性能优化、SQL/索引/连接池/ORM 查询效率和系统瓶颈排查展开，适合关注相关实现、产品取舍和社区反馈的读者；外部来源：fb.watch。 外部正文摘录：Ed Catmull, Pixar co-founder, former president of Walt Disney Animation, and one of the true pioneers of computer graphics.
Hacker NewsHacker News技术讨论这条外部内容围绕Spring Boot 数据库访问性能优化、SQL/索引/连接池/ORM 查询效率和系统瓶颈排查展开，适合关注相关实现、产品取舍和社区反馈的读者；外部来源：aoav.org.uk。 外部正文摘录：By analysing media reports between 2015 and May 2026, AOAV identified a repeated pattern where almost 60% of former key military personnel with links to the defence industry were found to have been – at least once – cited in the British media primarily by a reference to their rank … Our report argues that reporting of …
Hacker News精华Hacker News技术讨论这条外部内容围绕Spring Boot 数据库访问性能优化、SQL/索引/连接池/ORM 查询效率和系统瓶颈排查展开，适合关注相关实现、产品取舍和社区反馈的读者；外部来源：dailycal.org。 外部正文摘录：The percentage of failing grades in multiple UC Berkeley computer science classes in spring 2026 is significantly higher than past semesters and marks a departure from the department’s grading guidelines. According to Berkeleytime, 35.3% of CS 10 students and 10.6% of CS 61A students received F’s in spring 2026.
Hacker News精华Hacker News技术讨论这条外部内容围绕AI 平台额度、token 计费换算和推理成本理解展开，适合关注相关实现、产品取舍和社区反馈的读者；外部来源：simonwillison.net。 外部正文摘录：I wrote the other day about Uber blowing its 2026 AI budget in four months, and how that wasn't particularly surprising given they would have set that budget in 2025, before anyone could have predicted how popular token-burning coding agents were about to become. The rideshare giant is limiting all employees to $1,500 …
Hacker NewsHacker News技术讨论文章围绕 Spring Boot 场景下的数据库访问性能优化展开，重点关注 SQL 执行效率、索引设计、连接池配置、ORM 查询和并发增长后的系统瓶颈排查；外部来源：law.stanford.edu。 外部正文摘录：A groundbreaking study led by Stanford Law School Professor Julian Nyarko reveals that law professors overwhelmingly prefer AI-generated answers to student questions over responses written by their fellow instructors—a finding that could reshape how legal education is delivered. The study, titled “Law Professors Prefer…
Hacker News精华Hacker News技术讨论这条外部内容围绕Spring Boot 数据库访问性能优化、SQL/索引/连接池/ORM 查询效率和系统瓶颈排查展开，适合关注相关实现、产品取舍和社区反馈的读者；外部来源：microsoft.ai。 外部正文摘录：It outperforms Claude Haiku 4.5 with better price to performance across coding benchmarks. Coding models are most useful when they perform well in the same environment developers use every day.
Hacker News精华Hacker News技术讨论文章讨论 AI 平台 Credits 与 Tokens 的换算和成本理解，适合关注模型调用计费、额度管理和推理成本控制的读者；外部来源：blog.ammaraskar.com。 外部正文摘录：Just by clicking a link, it’s possible for an attacker to steal a GitHub token that can read and write to your repos, including private ones .com POSTing over an OAuth token to github. The token is not scoped to the particular repo you interacted with , meaning it has full access to every other repo that you have acces…
Hacker NewsHacker News技术讨论这条外部内容围绕企业 AI 许可、用量控制、推理成本和预算治理展开，适合关注相关实现、产品取舍和社区反馈的读者；外部来源：economist.com。 外部正文摘录：Subscribe * * * The Economist Pro * * * Log in * * * Menu Subscribe * * * The Economist Pro * * * Log in * * * Menu * * * * * * The world in brief Catch up on global daily news 1843 Compelling long reads The World Ahead 2026 Future-gazing analysis, predictions and speculation Podcasts Tune into captivating conversation…
Hacker NewsHacker News技术讨论这条外部内容围绕AI 平台额度、token 计费换算和推理成本理解展开，适合关注相关实现、产品取舍和社区反馈的读者；外部来源：github.com。 外部正文摘录：" Student: "My BPE tokenizer is slow. My runtime is currently O(n^2) where n is the number of tokens.
Hacker News精华Hacker News技术讨论这条外部内容围绕算法可视化、计算机科学教育、经典算法概念展示和交互式学习体验展开，适合关注相关实现、产品取舍和社区反馈的读者；外部来源：0xsid.com。 外部正文摘录：Then, they hop on a VPN or proxy close to your city so Instagram's security algorithms don't suspect a thing. The platform hands over a fresh password reset link, granting full ownership to the attacker.
Hacker NewsHacker News技术讨论这条外部内容围绕AI 平台额度、token 计费换算和推理成本理解展开，适合关注相关实现、产品取舍和社区反馈的读者；外部来源：thoughts.hmmz.org。 外部正文摘录：* * * I am trying to think of a list of all the wonderful things I've built with AI: * a speech recognition system in rust * an email archive rendering + quote collapsing tool * a jellyfin desktop clone with gstreamer and qt quick * an invidious clone in python + yt-dlp * a faithful Windows 95 notepad.exe clone in fltk…
