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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-...
25•mbitsnbites•3d ago•1 comments

Show HN: Browser based state machine simulator and visualizer

https://svylabs.github.io/smac-viz/
7•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•47m ago•1 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
45•momciloo•6h ago•9 comments

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

https://github.com/sandys/kappal
44•sandGorgon•2d ago•17 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: If you lose your memory, how to regain access to your computer?

https://eljojo.github.io/rememory/
362•eljojo•1d ago•217 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: 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: 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•5h ago•1 comments

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

https://github.com/artifact-keeper
155•bsgeraci•1d ago•65 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•6h 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•8h 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•10h 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•11h ago•2 comments

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

https://divvyai.app/
3•pieterdy•11h ago•1 comments

Show HN: Horizons – OSS agent execution engine

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

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: I Hacked My Family's Meal Planning with an App

https://mealjar.app
2•melvinzammit•13h ago•0 comments
Open in hackernews

Show HN: Typing Tennis

https://typingtennis.com
5•twalichiewicz•2w ago
Hey HN,

Here’s a quick weekend project: tennis, but played by typing. Try it out!

Comments

SwiftyBug•2w ago
Love the concept, but I couldn't figure out how to play. I can't hit the ball back even though I'm typing the right word. I keep getting a hint that says that I should type the return word and press enter, which I do, but nothing happens.
twalichiewicz•2w ago
I've added a few onboarding messages and made the HINT more forgiving. Let me know if that helps!
teach•2w ago
I LOVE the style, but it's currently unplayably buggy!

* I type "hit" to serve (note: for consistency you should require ENTER on this word, too)

* Ball slowly travels, CPU returns it

* Return word appears

* I type the return word and press ENTER

* No matter what I do, once the ball gets close to my side, the "HINT" pops up and won't go away until I start typing the return word again

* Whether I type the word correctly or not, my guy fails to return the ball

Latest Firefox on MacOS.

Hope you get this sorted out -- it looks fun

frizlab•2w ago
Wait a bit, the hint word is actually a hint. Next you’re told you have to type the return word and type enter.
dunb•2w ago
I'm not sure if it's working right for me on Orion Version 1.0.3 (142), WebKit 624.1.2.19.2. I type my word, hit "Enter," and I still get the hint to press "Enter."

It would also probably be more effective to not change the mechanics between the starting hit and subsequent ones. Instead of automatically starting after typing "hit," the user should have to hit "Enter" as well.

twalichiewicz•2w ago
I'll look into what's going on with some of the other browsers.

To clarify, the game actually runs a quick validation when the timer runs out to check if your word is valid. If it is, the ball returns automatically—so you don't have to hit Enter or Space, but doing so early gives you a speed bonus.

As for getting rid of Enter/Space entirely, auto-submitting can be tricky with compound words (e.g., should it submit 'REGULAR' or wait for 'REGULARLY'?).

Aken•2w ago
Like the other comments, it took me a lot of losing to figure out that my return word is my choice. I kept trying to type a word I was being given, and wondering why I kept getting hints and stuff.

Fun way to waste 10 minutes, though! :) I like the 8-bit look and sound. Would be nice a little bigger!

eggy1•2w ago
Took a second to figure out. I ended up going to the Itch page and reading that you had to enter a second word to hit it back. Once I figured that out it was a blast to play. I'll be showing my students this next time I see them. Maybe more complete instructions on the game page would be helpful though!
frizlab•2w ago
Fun but too easy! Once you have understood it is up to you to give the return word, just type “exceptional” for every returns, the computer loses every time.

EDIT: After winning the second game it’s not as easy.

twalichiewicz•2w ago
Thanks for all your feedback!

I was suspicious when I first coded this that it needed a better way to introduce the rules. I've gone ahead and buffed the HINT so that time doesn't resume until you get a chance to type out your first word. I also added a background hint on the return phase instead of just leaving it blank.

Another comment mentioned that the instructions that I put on itch.io made it clearer (and forgot to post on HN, whoops!) so I've pasted them below.

-------------------

HOW TO PLAY

1. Type HIT to serve

2. Type your opponent's word to line up your character with the ball, then type your word to send a volley back

3. Submit your word before the time runs out. The faster you submit your word, the faster your hit!

RULES

1. Words must be 3 letters or longer

2. No repeated words in the same rally

SCORING

1. Tennis rules: 15-30-40-Game

2. Best of 3 games wins the match

CONTROLS

Desktop: Type and press Enter or Space to submit

Mobile: On-screen keyboard