2025-06-28

22 篇热帖

2. IDF officers ordered to fire at unarmed crowds near Gaza food distribution sites (www.haaretz.com)

IDF Officers and Soldiers Told Haaretz They Were Ordered to Fire at Unarmed Crowds Near Food Distribution Sites in Gaza, Even When No Threat Was Present. Hundreds of Palestinians Have Been Killed, Prompting the Military Prosecution to Call for a Review Into Possible War Crimes Netanyahu, Katz Reject Claims, Call Them 'Blood Libels'

4. Facebook is starting to feed its AI with private, unpublished photos (www.theverge.com)

Facebook users opting to upload their photos for “cloud processing” are inadvertently giving Meta AI access to their entire camera roll, including photos that have not been uploaded to Facebook’s servers.

5. US Supreme Court limits federal judges' power to block Trump orders (www.theguardian.com)

Ruling to limit nationwide injunctions could see president’s order to ban birthright citizenship partially implemented

7. We ran a Unix-like OS Xv6 on our home-built CPU with a home-built C compiler (2020) (fuel.edby.coffee)

[Thanks for many comments and votes on Hacker News! ] It’s been two years since I started working as a software engineer. I sometimes tell my colleagues about a student project I did in my junior year of university, and it’s so well-received that I’m writing this post. 1 Now, let me ask you a question. Have you ever designed your own ISA, built a processor of that ISA on FPGA, and built a compiler for it? Furthermore, have you run an operating system on that processor? Actually, we have.

8. Project Vend: Can Claude run a small shop? (And why does that matter?) (www.anthropic.com)

We let Claude run a small shop in the Anthropic office. Here's what happened.

9. Unheard works by Erik Satie to premiere 100 years after his death (www.theguardian.com)

Pianist Alexandre Tharaud performs previously lost material by experimental French composer on a new album

10. The Plot of the Phantom, a text adventure that took 40 years to finish (scottandrew.com)

Gnarled JavaScript warlock, musician, cartoonist, dilettante.

12. I built something that changed my friend group's social fabric (blog.danpetrolito.xyz)

一个Discord机器人如何重塑朋友间的社交互动

核心问题

作者的朋友因生活变动分散全球,疫情期间转向通过Discord进行游戏和社交。然而,通过Signal群聊协调游戏时间的方式效率低下,关键信息容易被淹没。

解决方案:开发Discord通知机器人

为了解决协调问题,作者开发了一个Discord机器人。该机器人的核心功能是:

  • 触发机制:监听on_voice_state_update事件,当成员加入语音频道时自动触发。
  • 通知逻辑:在服务器的第一个文本频道发送通知消息,并设置delete_after参数,使消息在短暂显示后自动删除,保持频道整洁。
  • 数据记录:将每次加入事件(包括服务器、成员信息和时间戳)记录到由Supabase托管的PostgreSQL数据库中,为后续分析奠定基础。

机器人最初部署在fly.io,后迁移至作者自托管的服务器(使用Coolify管理)。

社会影响与效果

  1. 从工具到社交催化剂:机器人不仅解决了游戏协调问题,更意外地成为了朋友间的“社交信号灯”。超过60%的加入行为仅为了简短聊天,而非游戏。它鼓励了更随意、频繁的线上互动。
  2. 社交习惯的改变:朋友群体的交流模式从以文本为主,转变为每晚在Discord上语音聊天,类似于过去打电话闲聊的体验。这对包括作者在内的“奶爸”们尤其宝贵,让他们能在育儿间隙快速与朋友联系。
  3. 积极的接纳过程:尽管起初有人怀疑,但朋友逐渐发现其价值,认为它能有效促成即时社交。
  4. 可量化的影响:记录的数据显示了持续的增长和极高的使用频率:
    年份 加入次数 使用天数
    2022 2374 318
    2023 3181 345
    2024 3503 352
    2025 (截至6月) 1378 171
  5. 有趣的衍生文化:基于收集的数据,作者为朋友群体创建了年度“Discord年度回顾”,包括排行榜和个人使用统计,成为一项有趣的群体活动。

未来计划

作者计划扩展机器人功能,例如:

  • 增加基于互动的“成就”系统。
  • 追踪在线时长。
  • 开发一个物联网设备(RGB桌面灯),当指定朋友上线时亮起特定颜色,并考虑将其产品化。

核心成功因素

此方案有效的关键在于:它通过即时、明确的动作通知(某人已上线并处于可用状态),取代了模糊的口头邀约(如“我马上到”),从而显著提高了社交协调的效率和确定性。

13. Normalizing Flows Are Capable Generative Models (machinelearning.apple.com)

Normalizing Flows (NFs) are likelihood-based models for continuous inputs. They have demonstrated promising results on both density…

14. James Webb Space Telescope Reveals Its First Direct Image of an Exoplanet (www.smithsonianmag.com)

Researchers identified the likely planetary candidate’s infrared light after blocking out its host star’s overwhelming glare

15. Sirius: A GPU-native SQL engine (github.com)

Contribute to sirius-db/sirius development by creating an account on GitHub.

16. Rust in the Linux kernel: part 2 (lwn.net)

In 2023, Fujita Tomonori wrote a Rust version of the existing driver for the Asix AX88796B em [...]

18. A brief history of children sent through the mail (2016) (www.smithsonianmag.com)

In the early days of the parcel post, some parents took advantage of the mail in unexpected ways

19. SymbolicAI: A neuro-symbolic perspective on LLMs (github.com)

A neurosymbolic perspective on LLMs. Contribute to ExtensityAI/symbolicai development by creating an account on GitHub.

20. Graph Theory Applications in Video Games (utk.claranguyen.me)

A detailed look at Graph Theory and how it can be applied to video games.

21. Parsing JSON in Forty Lines of Awk (akr.am)

A single-function JSON parser for the POSIX shell.

22. When Did Nature Burst into Vivid Color? (www.quantamagazine.org)

Scientists reconstructed 500 million years of evolutionary history to reveal which came first: colorful signals or the color vision needed to see them.