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Show HN: A luma dependent chroma compression algorithm (image compression)

https://www.bitsnbites.eu/a-spatial-domain-variable-block-size-luma-dependent-chroma-compression-...
26•mbitsnbites•3d ago•2 comments

Show HN: I saw this cool navigation reveal, so I made a simple HTML+CSS version

https://github.com/Momciloo/fun-with-clip-path
48•momciloo•7h ago•9 comments

Show HN: Browser based state machine simulator and visualizer

https://svylabs.github.io/smac-viz/
8•sridhar87•4d ago•3 comments

Show HN: Django-rclone: Database and media backups for Django, powered by rclone

https://github.com/kjnez/django-rclone
2•cui•1h ago•1 comments

Show HN: Look Ma, No Linux: Shell, App Installer, Vi, Cc on ESP32-S3 / BreezyBox

https://github.com/valdanylchuk/breezydemo
294•isitcontent•1d ago•39 comments

Show HN: Kappal – CLI to Run Docker Compose YML on Kubernetes for Local Dev

https://github.com/sandys/kappal
44•sandGorgon•2d ago•20 comments

Show HN: If you lose your memory, how to regain access to your computer?

https://eljojo.github.io/rememory/
362•eljojo•1d ago•218 comments

Show HN: I spent 4 years building a UI design tool with only the features I use

https://vecti.com
374•vecti•1d ago•171 comments

Show HN: Witnessd – Prove human authorship via hardware-bound jitter seals

https://github.com/writerslogic/witnessd
2•davidcondrey•2h ago•1 comments

Show HN: PalettePoint – AI color palette generator from text or images

https://palettepoint.com
2•latentio•3h ago•0 comments

Show HN: Smooth CLI – Token-efficient browser for AI agents

https://docs.smooth.sh/cli/overview
97•antves•2d ago•70 comments

Show HN: R3forth, a ColorForth-inspired language with a tiny VM

https://github.com/phreda4/r3
85•phreda4•1d ago•17 comments

Show HN: Artifact Keeper – Open-Source Artifactory/Nexus Alternative in Rust

https://github.com/artifact-keeper
156•bsgeraci•1d ago•65 comments

Show HN: I built a <400ms latency voice agent that runs on a 4gb vram GTX 1650"

https://github.com/pheonix-delta/axiom-voice-agent
2•shubham-coder•6h ago•1 comments

Show HN: BioTradingArena – Benchmark for LLMs to predict biotech stock movements

https://www.biotradingarena.com/hn
29•dchu17•1d ago•12 comments

Show HN: Slack CLI for Agents

https://github.com/stablyai/agent-slack
55•nwparker•2d ago•12 comments

Show HN: Stacky – certain block game clone

https://www.susmel.com/stacky/
3•Keyframe•7h ago•0 comments

Show HN: A toy compiler I built in high school (runs in browser)

https://vire-lang.web.app
3•xeouz•7h ago•1 comments

Show HN: Gigacode – Use OpenCode's UI with Claude Code/Codex/Amp

https://github.com/rivet-dev/sandbox-agent/tree/main/gigacode
23•NathanFlurry•1d ago•11 comments

Show HN: ARM64 Android Dev Kit

https://github.com/denuoweb/ARM64-ADK
18•denuoweb•2d ago•2 comments

Show HN: Nginx-defender – realtime abuse blocking for Nginx

https://github.com/Anipaleja/nginx-defender
3•anipaleja•9h ago•0 comments

Show HN: Micropolis/SimCity Clone in Emacs Lisp

https://github.com/vkazanov/elcity
173•vkazanov•2d ago•49 comments

Show HN: MCP App to play backgammon with your LLM

https://github.com/sam-mfb/backgammon-mcp
3•sam256•11h ago•1 comments

Show HN: I'm 75, building an OSS Virtual Protest Protocol for digital activism

https://github.com/voice-of-japan/Virtual-Protest-Protocol/blob/main/README.md
9•sakanakana00•12h ago•2 comments

Show HN: Horizons – OSS agent execution engine

https://github.com/synth-laboratories/Horizons
27•JoshPurtell•1d ago•5 comments

Show HN: I built Divvy to split restaurant bills from a photo

https://divvyai.app/
3•pieterdy•12h ago•1 comments

Show HN: Daily-updated database of malicious browser extensions

https://github.com/toborrm9/malicious_extension_sentry
14•toborrm9•1d ago•8 comments

Show HN: Falcon's Eye (isometric NetHack) running in the browser via WebAssembly

https://rahuljaguste.github.io/Nethack_Falcons_Eye/
7•rahuljaguste•1d ago•1 comments

Show HN: Local task classifier and dispatcher on RTX 3080

https://github.com/resilientworkflowsentinel/resilient-workflow-sentinel
25•Shubham_Amb•2d ago•2 comments

Show HN: Slop News – HN front page now, but it's all slop

https://dosaygo-studio.github.io/hn-front-page-2035/slop-news
22•keepamovin•17h ago•6 comments
Open in hackernews

Show HN: TCP chat server written in C# and .NET 9, used in the terminal

https://github.com/Sieep-Coding/simple-chat-csharp
23•sieep•1mo ago

Comments

DoctorOW•1mo ago
Is this effectively IRC? I know it's not literally compatible but the same basic TCP for chat right?

ETA: Not being dismissive! Cool project!

sieep•1mo ago
Admittedly I don't know a lot about networking or IRC clients, but in practice I believe so. The idea was to implement the simplest possible way for 2 people to communicate via TCP.
dahsameer•1mo ago
love that its single file each for server and client. simple and neat.
sieep•1mo ago
Thank you! I think it goes against Microsoft's C# conventions a bit (i.e. the classes should be separated out more) but I prefer this setup.
tcper•1mo ago
Funny, C# app only tested on Linux
throw__away7391•1mo ago
This is fairly normal these days, no?
exceptione•1mo ago
I remember having seen that Linux is used a lot by Microsoft's .net team.

Linux is the best platform anyways to run your .net core application. With Avalonia you have a good cross-platform solution, albeit that they still depend on X11/Xwayland for Linux.

A shame .net isn't more popular. The MS branding is a problem though. Although .net core is MIT-licensed, most contributions are from MS¹. Still, if MS would ever ditch it (quite unlikely for the foreseeable future), I think the ecosystem will step up.

__

1. F# is an outlier, that is a real community project with lots of contributions from companies and enthusiasts

sieep•1mo ago
I highly recommend trying C# on Linux, it works fantastic. Rider on Linux works amazing as well so hats off to Jetbrains.
arethuza•1mo ago
What happens if the message entered by the user into the Client is more than 4096 bytes?
nlitened•1mo ago
From what I see, the code is incorrect in reading “messages” from TCP socket stream, and will be failing randomly in production with messages longer than 1500 bytes, and also sometimes when even shorter.

Instead, the TCP socket must be treated as a stream of bytes, and use either some delimiter as message boundary (like \n, while escaping any newlines inside JSON), or write message size before the message bytes itself, so that the code knows how many bytes to read until full message is read.

Edit: to clarify, TCP protocol does not guarantee that if you write some bytes in one go, they will be read in one go as well. Instead, they may be split into multiple “reads”, or glued together with the preceding chunk, or both. It’s a “stream of bytes” protocol, it only guarantees that written bytes come one after another in the same order.

So the “naive” message separation used in code above (read a chunk and assume it’s the entire message that was written) will work in manual tests, and likely even in local automated tests, but will randomly break when exposed to real network conditions.

arethuza•1mo ago
Thanks - I had a quick scan through the code and noticed the 4096 byte buffers and wondered how larger messages were handled and couldn't see anything but wondered if I was missing something!
sieep•1mo ago
Good write up, thanks for taking the time to go into detail. I may try to implement your feedback at some point.
r0x0r007•1mo ago
wow, a simple project made by chatGPT reaches hacker news top page. Way to go C# devs! And yes, I am one of them.
DoctorOW•1mo ago
It's a simple project but it doesn't have the usual AI code style to me. It reads instead like someone getting the hang of networking in C#. Incidentally, this is OP's first public C# repo.

https://github.com/Sieep-Coding?tab=repositories&q=&type=&la...

r0x0r007•1mo ago
yeah maybe, I guess it's fine, I meant no disrespect for the person learning. I can see some git issues so probably a new dev showcasing.I just don't understand how the hn posts work. Shouldn't there be some upvoting of stuff to be on the main page, or it was just released so it appeared?
DoctorOW•1mo ago
For what it's worth the HN algorithm is a pretty complex, so I'm still oversimplifying but ti's more about the rate a story gains score than the points themselves. You can get just 5 votes in the first minute you're up and make the front page, which is more or less what this did.
sieep•1mo ago
I used Rider's auto-complete for a lot of the code but it is handwritten.