FediMeteo: A €4 FreeBSD VPS Became a Global Weather Service

49 birdculture 2025-12-30 19:23:56 UTC it-notes.dragas.net Llama Share 10

The user created FediMeteo, a weather forecasting service on the Fediverse, using FreeBSD jails, snac, and Open-Meteo API. The service now supports 38 countries and has 7,707 direct followers, demonstrating a simple and efficient solution to online presence without relying on third-party services.

Toro: Deploy Applications as Unikernels

87 ignoramous 2025-12-30 18:15:56 UTC github.com/torokernel Llama Share 48

Toro is a unikernel for deploying microservices as microVMs with a minimalistic architecture. It can be tried with the HelloWorld example using a Docker image and commands like wget and python3.

Electrolysis can solve one of our biggest contamination problems

61 PaulHoule 2025-12-30 18:15:56 UTC ethz.ch Llama Share 11

ETH Zurich researchers developed an electrochemical process to render environmental toxins like DDT and lindane harmless and convert them into valuable chemicals. The method uses cheap equipment and can be used on contaminated landfills, soils, or sludge, promoting a sustainable circular economy.

A Vulnerability in Libsodium

60 raggi 2025-12-30 18:15:56 UTC 00f.net Llama Share 4

Libsodium's goal is to expose simple APIs for cryptography operations, not low-level functions. A recent bug in libsodium's crypto_core_ed25519_is_valid_point function has been fixed, affecting users of versions prior to 1.0.20.

Loss32: Let's Build a Win32/Linux

92 akka47 2025-12-30 17:15:56 UTC loss32.org Llama Share 203

The loss32 project aims to create a free and open-source OS with a Win32 desktop environment running under WINE, combining the Linux kernel with ReactOS userland components. It seeks to improve WINE's usability and stability for power users and creative users.

Show HN: 22 GB of Hacker News in SQLite

92 keepamovin 2025-12-30 17:15:56 UTC hackerbook.dosaygo.com Full Share 35

Reverse Engineering a Mysterious UDP Stream in My Hotel (2016)

111 bayesnet 2025-12-30 16:15:56 UTC gkbrk.com Llama Share 13

The user discovered a hotel's elevator music was being streamed as multicast UDP packets on port 2046, which they analyzed using Python scripts to find the correct offset to extract the MPEG Audio data. The user found the music to be elevator music, not a bug or a sneaky surveillance system, and suggested spoofing the multicast to play other audio.

The British empire's resilient subsea telegraph network

119 giuliomagnifico 2025-12-30 13:15:56 UTC subseacables.blogspot.com Llama Share 32

The British Empire's Red Line cable network was highly resilient with a ring configuration and multiple cables between end points, making it difficult to disrupt. Starlink's satellites have shorter than expected life spans, which may hit its income statement hard due to increased network depreciation and replacement needs.

Everything as Code: How We Manage Our Company in One Monorepo

3 benbeingbin 2025-12-30 20:07:56 UTC kasava.dev Prefix Share 1

Back to Blog Last week, I updated our pricing limits. One JSON file. The backend started enforcing the new caps, the frontend displayed them correctly, the marketing site showed them on the pricing page, and our docs reflected the change—all from a single commit. No sync issues. No "wait, which repo has the current pricing?" No deploy coordination across three teams. Just one change, ...

Igniting the GPU: From Kernel Plumbing to 3D Rendering on RISC-V

39 michalwilczynsk 2025-12-30 17:15:56 UTC mwilczynski.dev Llama Share 5

A PowerVR GPU driver was enabled on a RISC-V SoC, the T-HEAD TH1520, marking a significant milestone in mainline kernel development. The driver required significant enablement work, including implementing platform drivers for power sequencing, clock, and reset controllers, and using a new Power Sequencing framework.

Non-Zero-Sum Games

270 8organicbits 2025-12-30 12:15:56 UTC nonzerosum.games Llama Share 124

Non-Zero-Sum James explores win-win games for a better future through game theory, moral philosophy, and AI. He connects complex problems through non-zero-sum games in categories like ethics and economics.

Approachable Swift Concurrency

122 wrxd 2025-12-30 13:15:56 UTC fuckingapproachableswiftconcurrency.com Llama Share 48

Swift's concurrency model uses async/await, Tasks, and actors to handle waiting and organize code. Isolation domains protect data, and the Sendable protocol ensures safe data sharing between domains, making concurrency safer and easier to reason about.

Times New American: A Tale of Two Fonts

161 firexcy 2025-12-30 13:15:56 UTC hsu.cy Llama Share 100

The US State Department switched back to 14-point Times New Roman after a Biden-era directive to 15-point Calibri, citing professionalism and tradition. However, design experts argue that Times New Roman lacks authority and is often used due to inertia rather than aesthetic excellence.

Show HN: I remade my website in the Sith Lord Theme and I hope it's fun

16 cookiengineer 2025-12-30 18:15:56 UTC cookie.engineer Full Share 5

How to use XDM on ArchLinux with a minimal xconsole login screen and a feh background Read More Tutorial about the concurrency model behind Go's runtime, goroutines, and how to use mutexes without read/write errors. Read More

Postgres extension complements pgvector for performance and scale

87 flyaway123 2025-12-30 14:15:56 UTC github.com/timescale Llama Share 17

pgvectorscale is a high-performance extension for PostgreSQL that improves vector data storage and search. It offers lower latency and higher query throughput compared to Pinecone's storage optimized index.

Netflix Open Content

510 tosh 2025-12-30 10:15:56 UTC opencontent.netflix.com Llama Share 95

Netflix developed test titles for prototyping technologies in entertainment, technology, and academia, available under Creative Commons Attribution 4.0 International Public License. Titles include Knights of Sidonia, Flavours of Youth, Godzilla, and others, showcasing HDR, 4K, and Dolby Atmos capabilities.

Hive (YC S14) Is Hiring a Staff Software Engineer (Data Systems)

0 2025-12-30 15:15:56 UTC jobs.ashbyhq.com Llama Share

Hive is a marketing platform for event marketers that helps personalize and automate campaigns. As a Staff Engineer, you'll build a cloud-native big data platform to handle audience data for millions of attendees.

HTTP Strict Transport Security (HSTS)

13 arunc 2025-12-30 18:15:56 UTC hstspreload.org Llama Share 4

Browsers can't know a site's HSTS policy before the first visit, leaving users unprotected. HSTS preloading is not recommended as it provides minimal benefits compared to HSTS.

Go away Python

267 baalimago 2025-12-30 09:15:56 UTC lorentz.app Full Share 261

Lorentz Kinde's personal website. Cloud Engineer sharing insights, projects, and experiments in coding.

A faster heart for F-Droid. Our new server is here

8 kasabali 2025-12-30 19:15:56 UTC f-droid.org Prefix Share 1

Donations are a key part of what keeps F-Droid independent and reliable and our latest hardware update is a direct result of your support. Thanks to donations from our incredible community, F-Droid has replaced one of its most critical pieces of infrastructure, our core server hardware. It was overdue for a refresh, and now we are happy to give you an update on the new server and how it ...

Confessions to a Data Lake

29 kkl 2025-12-30 18:15:56 UTC confer.to Llama Share 9

The author is building Confer, an end-to-end encrypted AI chat service to protect users' private conversations. Confer aims to break the feedback loop of targeted ads and data exploitation.

Show HN: Tidy Baby is a SET game but with words

15 brgross 2025-12-30 17:15:56 UTC tidy.baby Full Share 5

If you know how to play SET you basically know how to play Tidy Baby — the "dimensions" are just: If you don't know how to play SET, we recommend checking out the How To Play page.

Stranger Things creator says turn off “garbage” settings

371 1970-01-01 2025-12-30 00:15:56 UTC screenrant.com Llama Share 654

Ross Duffer advised viewers to turn off TV settings like dynamic contrast, noise reduction, and truemotion to watch Stranger Things season 5 as intended. He stressed preserving the director's vision by disabling features that alter the original look of the content.

Five Years of Tinygrad

120 iyaja 2025-12-30 07:15:56 UTC geohot.github.io Llama Share 52

The company tinygrad has been working on a sovereign software stack for AI since October 2020, with a team of 6 people and a codebase of 18,935 lines. It aims to compete with NVIDIA by focusing on software, not hardware, and has made significant progress in outperforming PyTorch on many workloads.

What Happened to Abit Motherboards

55 zdw 2025-12-30 15:15:56 UTC dfarq.homeip.net Llama Share 43

Abit, a legendary motherboard manufacturer, went out of business in 2009 due to declining quality, loss of key engineers, and a scandal involving questionable accounting practices. Abit motherboards are now prized by collectors and can be used with high-quality capacitor replacements, but their original capacitors were a major weakness.

Show HN: One clean, developer-focused page for every Unicode symbol

142 yarlinghe 2025-12-30 07:15:56 UTC fontgenerator.design Full Share 57

Browse curated Unicode symbols by category: math, arrows, box drawing, block elements, control pictures, tech/UI, and more. Search by name and tap to copy instantly.

Tesla’s 4680 battery supply chain collapses as partner writes down deal by 99%

616 coloneltcb 2025-12-29 20:15:56 UTC electrek.co Llama Share 694

Tesla's 4680 battery supply chain has been severely impacted with a major supplier L&F Co. slashing its contract value by over 99%. This suggests Tesla's Cybertruck, the only vehicle using 4680 cells, is in serious trouble with low demand.

Funes.world

3 notknifescience 2025-12-30 19:15:56 UTC funes.world Prefix Share 0

Everyone thinks that only the classic, famous, old buildings are worth photographing, modeling and telling. But in reality, there are many great stories and significance resting on obscure buildings - and some of them are being remodeled; some of them are hidden in ordinary landscapes that no one cares about; and some of them are decaying and will disappear any day now. The fascinating ...

Concurrent Hash Table Designs

49 signa11 2025-12-30 13:15:56 UTC bluuewhale.github.io Llama Share 5

To make a hash map thread-safe, designers use various strategies such as global locking, lock striping, and sharding, each with its own trade-offs between simplicity, scalability, memory usage, and read/write performance. The most efficient approach, used in ConcurrentHashMap, is to use fine-grained locking and CAS operations to minimize contention and maximize concurrency.

The future of software development is software developers

370 cdrnsf 2025-12-29 20:15:56 UTC codemanship.wordpress.com Llama Share 455

A 43-year computer programmer shares their experience with technology cycles that claim to replace programmers, but ultimately don't. They argue that the hard part of programming is turning human thinking into precise computational thinking, which AI models currently can't do.