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Claude Opus 5

https://www.anthropic.com/news/claude-opus-5
1069•alvis•4h ago•570 comments

Nvidia, Microsoft, Meta warn against overregulating open-weight models

https://www.cnbc.com/2026/07/24/nvidia-microsoft-meta-open-weight-ai-models.html
387•louiereederson•8h ago•192 comments

Postgres LISTEN/NOTIFY actually scales

https://www.dbos.dev/blog/postgres-listen-notify-scalability
117•KraftyOne•2h ago•17 comments

My security camera shipped a GitHub admin token in its login page

https://hhh.hn/hanwha-github-token/
452•hhh•9h ago•160 comments

India's first privately-developed rocket reaches orbit on dramatic debut launch

https://arstechnica.com/space/2026/07/indias-first-privately-developed-rocket-reaches-orbit-on-dr...
409•sohkamyung•4d ago•126 comments

Fil-C: Garbage In, Memory Safety Out [video]

https://www.youtube.com/watch?v=5F-2Y1LPRek
71•Bootvis•1d ago•50 comments

Designing an Ethernet Switch ASIC

https://essenceia.github.io/projects/ethernet_switch_asic/
26•random__duck•4d ago•4 comments

Gsxui – Shadcn-style components for Go

https://ui.gsxhq.dev/
44•jackielii•3h ago•4 comments

Marimo Now Runs in PyCharm

https://marimo.io/blog/pycharm
36•cantdutchthis•2d ago•4 comments

Half-Life 2 running natively on HaikuOS

https://discuss.haiku-os.org/t/haiku-nvidia-porting-nvidia-driver-for-turing-gpus/16520?page=18
233•m0do1•8h ago•42 comments

An old patent inspired the new "Y-zipper", a three-sided fastener

https://news.mit.edu/2026/three-sided-y-zipper-design-0504
67•crescit_eundo•2d ago•20 comments

What If We Made Advertising Illegal?

https://simone.org/advertising/
19•gurjeet•1h ago•8 comments

If coding has been solved, why does software keep getting worse?

https://ptrchm.com/posts/nothing-works-and-everyone-is-euphoric/
343•pchm•12h ago•278 comments

The Secret Origins of Amazon's Alexa

https://www.wired.com/story/how-amazon-made-alexa-smarter/
14•Anon84•3d ago•1 comments

Unitree As2-W

https://www.unitree.com/As2-W/
71•MehrdadKhnzd•5h ago•31 comments

Kimi K3 exploited the latest Redis server

https://twitter.com/fried_rice/status/2080059356322918777
83•Alifatisk•1d ago•19 comments

Programming language file extensions that match ISO 3166-1 alpha-2 country codes

https://www.bruh.ltd/blog/programming-language-file-extensions-that-match-an-iso-3166-1-alpha-2-c...
27•speckx•9h ago•12 comments

Visualizing the Artemis II Mission

https://foxglove.dev/blog/visualizing-the-artemis-ii-mission
4•intrepidsoldier•4d ago•0 comments

Don't Take the Black Pill [video]

https://www.youtube.com/watch?v=zLZwpH5lCD4
80•signa11•5h ago•45 comments

Extending Polars with Rust Expression Plugins

https://fenic.ai/blog/extending-polars-with-rust-expression-plugins
43•cpard•3d ago•0 comments

The footprints of every building in NYC

https://www.beautifulpublicdata.com/the-footprints-of-every-building-in-nyc/
29•jonathanmkeegan•4d ago•3 comments

Preventing line breaks in <code> elements

https://alexwlchan.net/2026/non-breaking-code/
11•surprisetalk•7h ago•18 comments

Firefox Containers Preview

https://blog.mozilla.org/en/firefox/firefox-containers-preview/
162•twapi•3d ago•65 comments

So Bright the Vision (1956) – a story about machines writing instead of humans [pdf]

https://s3.us-west-1.wasabisys.com/luminist/EB/S/Simak%20-%20So%20Bright%20the%20Vision.pdf
12•marysminefnuf•3d ago•1 comments

I got into YC Startup School by hacking it

https://obaid.wtf/jotbook/2026/07/18/how-i-got-into-yc-by-hacking-it.html
81•speckx•3h ago•54 comments

Hitchcock and Herrmann: The friendship and film scores that changed cinema

https://www.lrb.co.uk/the-paper/v48/n13/jonathan-coe/where-was-the-drum-kit
15•mitchbob•4d ago•0 comments

Be skeptical of OpenAI's rogue hacker agent story

https://www.theguardian.com/technology/2026/jul/24/openai-rogue-hacker
337•rwmj•5h ago•175 comments

Self-host your mail server

https://blog.haschek.at/2026/you-should-selfhost-your-mail.html
79•geek_at•1d ago•71 comments

Government orders GitHub to remove Bluetooth-based chat app Bitchat: Jack Dorsey

https://www.thehindu.com/news/national/government-orders-github-to-remove-bluetooth-based-chat-ap...
308•rootkea•7h ago•234 comments

Flux 3 X Mimic: The Next Generation of Video-Action Models

https://bfl.ai/blog/flux-3-mimic
297•kensai•12h ago•47 comments
Open in hackernews

You can now directly sync Postgres with Redis

https://github.com/redfly-ai-org/redfly.ai
22•vijaymohan1979•1y ago

Comments

yohannparis•1y ago
No Pricing information nor an open-source project. I don't know what to do with this product.
jasonlotito•1y ago
Assuming the link to the repo is correct: it's open source.

https://github.com/redfly-ai-org/redfly.ai/blob/main/LICENSE

bradleyjkemp•1y ago
I believe this is another case of abusing GitHub for visibility, not actually doing anything meaningful open source

The code in the repo just seems to be connection code ("provides a way for anybody to test our Redis synchronization service on demand") rather than the sync service itself

vijaymohan1979•1y ago
https://github.com/redfly-ai-org/redfly.ai/wiki/Q-&-A
maxmcd•1y ago
Since db cache consistency is a complex research space with things like https://readyset.io/ and https://www.usenix.org/system/files/conference/nsdi13/nsdi13... it would be great to hear more specifics about what this is giving up in order to sidestep all that complexity.
_1tem•1y ago
There’s also Polyscale as a service.
vijaymohan1979•1y ago
https://github.com/redfly-ai-org/redfly.ai/wiki/Q-&-A
vijaymohan1979•1y ago
https://github.com/redfly-ai-org/redfly.ai/wiki/Q-&-A
henning•1y ago
It'd be nice to see documentation of how it works. Is it using a replication channel for Postgres? The write-ahead log? It looks like it does schema introspection and then works off that. How does it handle schema changes? How does this work in scenarios where you have multi-master replication? What's the compatibility with popular Postgres extensions like PostGIS? What happens if the database is rebooted or crashes? Yes I realize the source is there.
porridgeraisin•1y ago
> Yes, I realize the source is there

It isn't actually. The codein the repo just seems to be some scaffolding.

vijaymohan1979•1y ago
https://github.com/redfly-ai-org/redfly.ai/wiki/Q-&-A
hangonhn•1y ago
Did you really mean to leave your AES key in the code in RedflyEncryptionKeys?

> public const string AesKey = ...

Also, the way AES is used in the code is not good practice. It seems to be using plain AES ( https://learn.microsoft.com/en-us/dotnet/api/system.security... ), which isn't meant to be used bare like that. It needs to be coupled with a digest algorithm to protect the ciphertext. Maybe use AesGcm instead?

foxyv•1y ago
The reason for this is that AES is not an authenticated algorithm so there is no way to determine if the ciphertext has been modified since encryption. The ciphertext could be modified/corrupted and you wouldn't know.

Also, AES is deterministic and will encrypt the same data the same way every time. This means if you are encrypting a lot of fields you will be able to do statistical attacks. Using an initialization vector with AES GCM is similar to salting a hash. This way there is no statistical method to determine the contents of the ciphertext.

vijaymohan1979•1y ago
https://github.com/redfly-ai-org/redfly.ai/wiki/Q-&-A
solatic•1y ago
Can someone ELI5 where this is going to be valuable?

If you set up Postgres read replicas, make sure your queries are covered by appropriate indexes, and your hot queries are handled by Postgres from RAM anyway - do you really need a separate Redis cache?

I feel like anytime I'm going to pull in Redis for a cache, it's going to be for data that I'm not interested in having guaranteed persistency for, like session tokens, and so it'll be for data that I wouldn't be storing in Postgres anyway?

lotharcable•1y ago
Probably useful for sharing stuff with services that already have access to redis, but you don't want to add SQL client dependencies for and/or don't want to give access to your database.

But you want to be able to store/have single source of authority and update them using a SQL database.

This would then eliminate the need to maintain a separate lambda or cron job or something like that to keep them in sync.

vijaymohan1979•1y ago
https://github.com/redfly-ai-org/redfly.ai/wiki/Q-&-A