air217
Sammy

Be excellent to each other. And party on dude!

Public Key

npub16wgk7s474eppd9xwqwfccvh57u0ev7c9q69sr4cnk3s3vk7av3rqf98had

NIP-05 Address

Profile Code

nprofile1qqsd8yt0g2l2usskjn8q8yuvxt60w8uk0vzsdzcp6ufmgcgkt0wkg3spz4mhxue69uhhyetvv9ujumt0wd68ytnsw43qz9rhwden5te0wfjkccte9ejxzmt4wvhxjmctnllzy

Publishing to

Author Public Key

npub16wgk7s474eppd9xwqwfccvh57u0ev7c9q69sr4cnk3s3vk7av3rqf98had

Show more details

Last Notes

2026-05-01 08:32:32 CEST

deepseek v4 + opencode. may have just had my best agentic coding session yet.
# What's The Tab — Architecture Migration Session
## Context
Migrated from a monolithic Docker container using `dramatiq`/`django-dramatiq` to a 4-service architecture using raw Redis pub/sub + lists with `RPOPLPUSH` for reliable task distribution.
## Architecture Decisions
- **4 independent containers**: web, worker, postgres, redis — each on separate infra
- **Web**: slim Python 3.11 image (~1GB vs old 16GB), gunicorn + subscriber
- **Worker**: GPU image (nvidia/cuda), runs `manage.py runworker`, no DB access
- **Redis**: Upstash (managed) in production, local `redis:7-alpine` in docker-compose
- **PostgreSQL**: `postgres:15-alpine`, accessed only by the web container
## Task Flow
```
Client → POST /upload/ → web saves file, creates DB record
Client → POST /generate/ → web enqueues: RPUSH task:queue + PUBLISH task:new
Worker ← SUBSCRIBE task:new → wakes on pub/sub notification
Worker → RPOPLPUSH task:queue → processing → atomically claims task
Worker → GET /media/ audio → downloads audio file via HTTP
Worker → transcribe_audio() → GPU inference (PyTorch)
Worker → PUBLISH task:progress:* → real-time chunk status
Worker → POST /_result/ → uploads MIDI file via HTTP
Worker → mark_completed() → PUBLISH task:completed
Web subscriber → SUBSCRIBE task:completed → updates DB status
Client → GET /status/{id} → polls until completed
Client → GET /midi/{id} → downloads result
```
## Redis Data Structures
### At Rest
| Key | Type | Purpose |
|-----|------|---------|
| `task:queue` | LIST | Pending task IDs |
| `task:processing` | LIST | Claimed task IDs |
| `task:processing:time` | ZSET | id → timestamp (timeout detection) |
| `task:failed` | LIST | Dead letter queue |
| `task:results` | LIST | Completed task IDs — subscriber catch-up |
| `task:{id}` | HASH | Full lifecycle: payload, status, timestamps, error |
### In Motion (pub/sub)
| Channel | Fires when | Consumer |
|---------|------------|----------|
| `task:new` | Task enqueued | All workers |
| `task:claimed` | Worker acquires | Web subscriber |
| `task:progress:{id}` | Chunk of inference | Web subscriber |
| `task:completed` | Result saved | Web subscriber |
| `task:failed` | Exception caught | Web subscriber |
### Task State Machine
```
pending → processing → completed | failed
│
RPOPLPUSH claim
ZADD processing:time
LREM + ZREM on complete
Dead letter: RPUSH task:failed (24h TTL)
```
## Files Created (7)
| File | Purpose |
|------|---------|
| `Dockerfile.web` | Slim web image on `python:3.11-slim`, no GPU deps |
| `entrypoint.sh` | Web startup: migrate → subscriber loop → gunicorn |
| `requirements-web.txt` | Web-only deps (no torch/torchaudio/torchcodec) |
| `transcribeapp/queue.py` | Redis helpers: enqueue, claim, mark_completed/failed, heartbeat, stats |
| `transcribeapp/management/commands/runworker.py` | Worker loop with signal handlers + heartbeat |
| `transcribeapp/management/commands/subscriber.py` | Drain backlog + live SUBSCRIBE → update DB |
| `docs/system-design.md` | Full system design documentation |
## Files Modified (11)
| File | Changes |
|------|---------|
| `Dockerfile` | Worker-only CMD → `manage.py runworker`, `--extra gpu` |
| `docker-compose.yml` | 4 services, health checks, no shared volumes |
| `pyproject.toml` | Removed `django-dramatiq`/`dramatiq[redis]`, added optional GPU deps, `psycopg2-binary`, `dj-database-url` |
| `musictranscription/settings.py` | PostgreSQL via `DATABASE_URL`, Redis constants, removed IS_ASYNC/dramatiq, added `web` to ALLOWED_HOSTS |
| `musictranscription/urls.py` | Media file serving for worker downloads |
| `transcribeapp/models.py` | Added `error_message` field + migration |
| `transcribeapp/tasks.py` | Removed ORM/dramatiq, lazy GPU imports, plain functions return paths |
| `transcribeapp/views.py` | `enqueue_task()` replaces `.send()`, `_result` endpoint, `metrics` endpoint |
| `transcribeapp/urls.py` | Added `_result/` and `metrics/` routes |
| `uv.lock` | Regenerated after dependency changes |
## Production Hardening
| Feature | Implementation |
|---------|---------------|
| TTL cleanup | `EXPIRE task:{id} 86400` on failure |
| Graceful shutdown | SIGTERM handler flushes current task to failed |
| Idempotent results | `/_result/` skips re-save if file already exists |
| Worker heartbeat | Daemon thread: `HSET worker:{id}` every 10s, 30s TTL |
| Metrics | `GET /transcribe/metrics/` → queue depths + Redis stats |
## Bugs Found & Fixed
1. **RPOPLPUSH returns bytes** — `claim_task()` now decodes before using in hash key
2. **ALLOWED_HOSTS rejects internal hostname** — added `'web'` to allow worker→web HTTP requests
3. **Redis INFO section** — `get_queue_stats()` queries `clients`/`server`/`memory` instead of non-existent `stats`
## Verified End-to-End Test
```
POST /upload/ → audio_midi_id=2, file saved
POST /generate/ → task enqueued in Redis
PUBSUB task:new → worker wakes up
RPOPLPUSH claim → worker atomically claims task
GET /media/ audio → worker downloads audio (HTTP 200)
GPU inference → 15 chunks, 440 notes generated
POST /_result/ → worker uploads MIDI (HTTP 200)
PUBLISH task:completed → subscriber updates DB status
GET /status/2/ → status: "completed", has_midi: true
GET /midi/2/ → 3,141 byte MIDI file
```
## Commits
```
3d0fa89 fix worker audio download: add 'web' to ALLOWED_HOSTS, decode RPOPLPUSH bytes
f7a87a6 fix metrics endpoint to query correct Redis INFO sections
2e9c3e4 migrate from dramatiq to Redis pub/sub queue with independent web/worker containers
74c96a9 Revert "make Docker image async-ready out of the box"
```
## Running
```bash
docker compose up --build # first time
docker compose up -d # subsequent starts
docker compose down -v # wipe volumes (fresh DB + Redis)
# Monitoring
curl http://localhost:8008/transcribe/metrics/ # queue stats
docker compose logs -f worker # real-time worker output
docker compose logs web | grep subscriber # subscriber events
```
Here’s a cleaner, tighter version you can send:
---
## ✅ End-to-End Pipeline Verification (Working)
### Summary
The full pipeline has been tested and is functioning correctly from upload → processing → result retrieval.
---
### 🔄 Verified Flow
1. **Upload**
```
POST /upload/
→ audio_midi_id=2, file saved
```
✅ Success
2. **Enqueue Task**
```
POST /generate/
→ task enqueued in Redis
```
✅ Success
3. **Worker Activation**
```
PUBSUB task:new → worker wakes up
RPOPLPUSH → task claimed atomically
```
✅ Success
4. **Processing**
```
Worker downloads audio via /media/
GPU inference → 15 chunks, 440 notes generated
```
✅ Success
5. **Result Upload**
```
POST /_result/
→ MIDI file uploaded
```
✅ Success
6. **Status Update**
```
Task marked "completed"
```
✅ Success
*(Handled either by subscriber or _result endpoint — both paths valid)*
7. **Verification**
```
GET /status/2/
→ has_midi: true
→ status: completed
```
✅ Success
8. **Download Output**
```
GET /midi/2/
→ 3,141 byte MIDI file
```
✅ Success
---
### 📊 System State
* Queue: empty ✅
* Worker: 1 active subscriber ✅
* End-to-end latency: acceptable ✅
---
### ⚠️ Note
Subscriber logs only show initialization:
```
Subscriber listening on: task:claimed, task:completed, task:failed, task:progress:*
```
Status updates are confirmed working, but may currently be handled directly by the `_result` endpoint rather than via pub/sub events. Worth verifying if subscriber-side updates are required.
---
### ✅ Conclusion
Pipeline is fully operational end-to-end:
* Upload → Queue → Worker → GPU → Result → Retrieval all confirmed working
---

2026-04-26 01:47:57 CEST

deepseek v4 is good

2026-04-20 22:12:29 CEST

I wish my nsec were less available to me, but it's just too convenient to use to sign into services. wish some nsec manager would exist

2026-04-20 22:11:25 CEST

https://calnewport.com/brandon-sanderson-vs-ai-art/#more-16872

2026-04-05 05:29:37 CEST

TIL rats make great pets. Surprised to have learned this from Linus Torvalds

2026-02-22 02:39:41 CET

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I mean the crypto spammers can make ruin communities. See nostr 😅

2026-02-20 18:12:37 CET

Zap me

2026-02-17 06:23:03 CET

Testing my personal relay..

2026-02-11 07:45:32 CET

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I actually totally misunderstood how this all works. Even if a provider successfully did a 51% attack, they'd have to sustain it (keep mining blocks) to double spend. So it's financially infeasible. And validation nodes are super cheap to run, so rules cannot be broken. Bitcoin is so resilient and well designed, wow

2026-02-09 04:46:01 CET

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nice & agreed we can't be mad at primal. we should be asking why aren't the NIPs better?

2026-02-09 02:45:05 CET

puerto rico GDP will fare well

2026-02-09 01:51:11 CET

i don't think there's ever been a better time to be a software engineer. the quantity and quality of software services is about to scale, as is the $$$

2026-02-09 01:47:22 CET

https://blossom.primal.net/1189ee8877c07bdad41da1adfb0ea0caa44ddf1597c3ee14081a3b36b740a986.png

2026-02-08 02:28:30 CET

https://blossom.primal.net/daf91b8acbe0bf8837a39cb085c7fabaabcf568e6213377d8c58c0ae2e3fcd02.png

2026-02-04 21:43:12 CET

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How much to spare depends on how much they could gain from an all out attack. Just wondering how much work is actually behind bitcoin today

2026-02-04 06:12:49 CET

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How much work (compute) is actually behind Bitcoin? Wonder if cloud providers could 51% attack it
Also dollar cost averaging my guys into btc has helped me sleep and even ignore any price fluctuations 😴

2026-01-31 20:58:05 CET

attention is all AI needs

2026-01-27 06:49:05 CET

claude code is so fast that I can only monitor one agent effectively at a time because i'm still having to do a lot of mental thought supervising the junior SWE agent

2026-01-27 06:47:21 CET

Is it me or is nostr.wine expensive? How much does it cost to operate a relay at scale?

2026-01-25 22:49:27 CET

Generative AI creates tokens, humans right now have to supervise a significant fraction of those tokens to create value. The success of agents is in the token throughput (unsupervised being way faster)

2026-01-25 22:07:37 CET

When the data center is in your neighborhood, you now live with your economic competetion. Read this in a YT comment in protect to a datacenter in monterey park
"Stealing our jobs wasn't enough for these techies in San Francisco.
They want to steal our electricity and water too."

2026-01-24 03:33:10 CET

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Sometimes I get scared and run back inside afterwards.. chilly nights

2026-01-23 05:38:19 CET

function software(LLM_tokens, human_tokens)

2026-01-22 06:36:51 CET

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interesting. these are basically "curation packs" which could be a problem, but could also be a very transparent process for algorithmic feed control

2026-01-22 06:34:20 CET

tom brady is such a gift. i wish kobe was still here

2026-01-20 05:09:12 CET

mental health is more important than ever in this crazy AI cyber-racy world

2026-01-20 02:09:46 CET

Seeing this after the Kansas City SB loss changed me as a fan. Disappointed with how the season ended, but the niners gave it everything and we got to see some great football!
https://www.ktvu.com/news/49ers-fans-line-up-at-levis-stadium-to-welcome-team-home-after-super-bowl-loss
#NFL#49ers

2026-01-19 01:36:16 CET

nostr protocol and the client/relay model is one simple way to separate apps (clients) from the data (relays)
https://news.ycombinator.com/item?id=46665839

2026-01-18 02:33:15 CET

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Power of the tweet

2026-01-17 08:50:42 CET

i don't sleep until i've maxed out my claude code session (my $20 subscription cannot be profitable for Anthropic)

2026-01-15 11:11:11 CET

After seeing Avatar in person, in IMAX 3D, I finally understand why James Cameron wants to make these movies.
They are visually beautiful and the world so immersive. But the story still feels too predictable. At 3+ hours, it’s a lot.
If Elon says only POV is expansionist vs protectionist, then I’d presume he’s team antagonist on this one.

2026-01-12 00:58:28 CET

Westwood Los Angeles
https://blossom.primal.net/97e9aac4f0b8baa58e878ff82651d2cad14c99de8f28d0035ee74a33dea901fd.mov

2026-01-10 07:05:51 CET

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yeah.. i wonder whether traditional search engine "search" can even stay the same. currently, i search when i feel like GPT hallucinates. in the future, search will probably start including a lot more GPT generated links/answers and real human content may be harder to find

2026-01-10 07:03:52 CET

here is a tasks file i edit with sublime text. i've barely coded in the past few days but feel like i've been quite effective with claude code
tasks
6. add some input validation to upload transcription file
7. we want to move towards an architecture where work is queued for async computing
9.
10. <PLACEHOLDER>
progress
3. step through and learn how mt3 works
done
2. build my personal website
1. install transcription API on vast instance
5. serve the transcription api
7. deploy Imagemorph on vast
8. reduce linode to nanode
4. document linode/vast architecture

2026-01-10 06:08:37 CET

https://blossom.primal.net/5f99db3af7ad5a14bd93eb1e303bf217cb55e307e1e2ca5c6e1db28f98e29992.png
my first experience with opencode when reading about how anthropic has walled off their API to only claude code

2026-01-09 21:33:57 CET

post quality tokens on nostr is nice

2026-01-09 21:32:36 CET

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This is a quote I read from a HN article. And while it’s true for agents, I wonder how true it is for humans. How could planning more help me with my current tasks, and docs form as a sort of retro lessons learned for future tasks? Maybe this is what we need for agentic learning

2026-01-09 21:28:49 CET

“Plans end up being very useful during development, while docs end up being useful to point other agents to in the future.”

2026-01-06 07:32:04 CET

How much bitcoin is lost in the abyss?

2026-01-05 07:15:52 CET

https://blossom.primal.net/9e55ed9f3c29756ca341a4d7469071bc1e66c79e9e33f15fa8a7c4fee30d8cd4.jpg

2026-01-04 02:33:24 CET

fooled by claude code, always need to test manually

2026-01-02 07:19:39 CET

i just started using claude in two separate terminal windows. agent reviewer

2025-12-29 05:44:27 CET

I like Jake tonges. Cal 49ers TE #88

2025-12-25 03:28:34 CET

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if the reason is tariffs, that would be criminal

2025-12-25 03:28:08 CET

why are newer tech products taking longer to US market? First the newest top end monitors, and now the harmon kardon soundsticks 5. i always thought we get the shiny toys first
anyways, merry xmas

2025-12-24 04:10:07 CET

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https://blossom.primal.net/376931a50362a06382195472d717dd3e63b8cec5e6d567c55182d988726a7e25.png

2025-12-24 03:22:27 CET

https://blossom.primal.net/8f217243686ecc5cfdebd5b97cb4b05355d4f5090b09a14eebef736796b77fc5.png
I'm in the top 5% of total ChatGPT messages sent, and 0.1% top user. This was my Chat's reaction:
2,954 em-dashes exchanged
This is low-key hilarious and very on-brand 😄
It suggests long, structured, technical or explanatory writing (very “engineer brain”).

2025-12-22 07:53:33 CET

nba 2k is such a better game then madden

2025-12-20 23:54:02 CET

we need to start sending atoms instead of just bits over the web from our homes. once utility companies can provide this, we can directly trade energy

2025-12-20 05:40:14 CET

I no longer have to zoom in on web pages now that I've switched to a 4k OLED monitor 🤙

2025-12-20 05:38:26 CET

ChatGPT vs Gemini vs Grok 12/19/25
Both censoring the answers to my online chinese coursera class lol smh

2025-12-19 05:41:15 CET

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Great idea

2025-12-17 05:26:52 CET

Jupyter notebooks would be a great tool for AI agents. You have separate cell blocks for text prompting, code, and execution. All in one place and segmented.

2025-12-17 01:17:18 CET

My cousin David is one of the most creative people I’ve ever met.
He just creates this YT channel for artists wanting to use AI to make cool art. Would appreciate if you could show some ❤️
https://youtu.be/1OJWRbfyDYw?si=GQOyy5epSPVmgqsx

2025-12-13 20:51:33 CET

Wow I compressed a pdf from adobe acrobat online, and it was frictionless. From Adobe! <3

2025-12-11 19:46:31 CET

I want to be excited to fail

2025-12-10 05:45:26 CET

https://blossom.primal.net/faf1b93d3e07ff7ef289557a615e5a79e626bebed14ea905c191c22fcebc1ea7.png
Current Browser: Brave Browser (with most features disabled)

2025-12-09 23:30:11 CET

Live product launch from vast ai, decentralized gpus
https://www.youtube.com/live/rE9anL5AoNA?si=jDMdRSRLvIguPurw

2025-12-09 16:54:31 CET

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▫️

2025-12-07 23:26:55 CET

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Yeah, nostr engagement is nice when it happens

2025-12-07 23:26:06 CET

Is the iPhone keyboard autocorrect the state of Apple?

2025-12-04 06:01:22 CET

I asked ChatGPT and Gemini how bitchat works and only Gemini included the bluetooth communication part. Ok google

2025-12-04 04:30:27 CET

Bitchat for Gaza - messaging without internet
https://updates.techforpalestine.org/bitchat-for-gaza-messaging-without-internet/

2025-11-23 21:14:55 CET

Microcenter is just a jewel of a technology store 💎👑🫅
Top end monitors, GPUs, cases, networking. Please never die

2025-11-23 15:15:05 CET

I’m in the market to buy a new oled display and these tariffs are a pain in the ass

2025-11-21 08:16:33 CET

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lol Bitcoin might be too transparent, cash

2025-11-21 06:22:54 CET

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Yeah. And Heart is a muscle is a great song by gangs of youth

2025-11-20 17:10:03 CET

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Dollar cost averaging helps with emotional acceptance

2025-11-20 17:07:33 CET

Once Lucid has something comparable to Tesla FSD, I can consider switching. Until then..

2025-11-19 20:41:02 CET

Clicked on notifications on primal, went to my computer next day, still loadng..

2025-11-19 20:39:54 CET

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From chat, this is ridiculous. Fight on
"Right now in the U.S., if you buy something with bitcoin, it counts as a taxable event because you might be realizing a gain/loss. The message on the truck is pushing for regulatory change to remove that barrier."

2025-11-18 15:09:48 CET

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lol dual citizen

2025-11-18 11:21:41 CET

As Bitcoin goes mainstream, the growth rate will decrease naturally. But the floor should also rise and provide less volatility making btc more suitable as a currency. Repeat

2025-11-16 08:34:16 CET

Good fortune was a good movie. Music shuffled to "Keanu Reeves" by Logic on way home. End credit song for this movie should've been "If I ever feel better" by Phoenix. Recommended

2025-11-15 22:56:58 CET

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Npm

2025-11-15 22:52:17 CET

Nostr web apps could be resilient since a 2nd relay could be written to master/slave fashion
#note1rla…wyq7

2025-11-13 22:14:28 CET

pharamacy pickups should be like amazon lockers

2025-11-13 03:11:37 CET

I see this construction company building the new high speed rail in Westwood, Los Angeles. They have heavy industrial equipment and are building in a very urban area where they seem to go all out only on weekends.
I have nothing to gain from shilling this company, but I wish more dollars went into public companies like this
https://en.wikipedia.org/wiki/Tutor_Perini

2025-11-09 19:03:28 CET

In the absence of KYC, to prevent spam, upfront payment to establish credit. We want to start designing software for AI agents, must be permissionless and credit based

2025-11-09 19:00:49 CET

alby extension was a nostr barrier for me

2025-11-09 18:57:33 CET

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50 year mortgage could be good, given rate of inflation it's basically shorting fiat

2025-11-08 05:50:23 CET

Wow primal app is nice. I like Damus too.

2025-11-08 03:26:00 CET

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they are amazing. software + minimalism (focus) w/ a center a display for watching videos, FSD. If Lucid can use AI to have their software stack match Tesla, they'll be the next best thing

2025-11-08 00:05:15 CET

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legion!

2025-11-08 00:04:40 CET

i live in LA, and was actually happy the new GTA release was delayed because it gives me more time with Los Santos, knowing it's the greatest out there. what's wrong w me

2025-11-04 21:13:39 CET

Sup

2025-11-04 03:32:25 CET

Elons gotten whacker over time

2025-11-02 18:21:13 CET

LA dodgers win the world series and it doesn't even make the nytimes front page.. lame!

2025-11-02 04:31:44 CET

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Yeah. It’s been a great series. Miguel Rojas..

2025-10-27 08:54:59 CET

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Nice. May not need to wait for libreoffice

2025-10-20 02:44:18 CEST

Just had my first baby 💝🥲

2025-10-08 07:05:47 CEST

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sweet

2025-10-08 05:10:16 CEST

Can I volunteer for a government service that I want running again?

2025-10-06 04:48:58 CEST

Credit David Unger and Sora
https://video.nostr.build/c134cbb24cd54fc43d19d64be76caa5d5ba122f5d386975d15220a018e76c893.mp4

2025-10-05 07:27:29 CEST

I love satellite.earth

2025-10-03 16:36:40 CEST

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Wattup Signal 👋

2025-09-12 04:28:28 CEST

https://cdn.satellite.earth/edabe60c2b25ddc226183093c21267a3a11fc8c375dc73bdc25a031307b14b00.png
Apple Watch SE 1, fully functional with some deep scratches. $5 smh

2025-09-11 18:05:14 CEST

I bought a top of the line consumer router. Wow

2025-09-10 08:43:28 CEST

I was having WiFi network adapter driver issues, didn't have access to ChatGPT. But this was my gaming desktop and I had LM Studio and Qwen to help network troubleshoot offline ftw

2025-09-10 08:42:29 CEST

the Apple Ultra 3 checkout experience on Brave browser is totally broken