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Posts by Deb Sahu

Ohh no, another one I will be skipping. Feels like they ask for feedback - we all say that infra at Asilomar is dated and it’s just ignored. Love the people, community and science - don’t love the conference grounds.

1 day ago 1 0 1 0

Hopefully it’s not in ASILOMAR! What’s the location?

1 day ago 0 0 1 0

Agree!

1 week ago 1 0 0 0

Never meant for consumer use, usually these are flashed with openwrt or something equivalent. That’s what these are used for. That being said most routers have backdoor for recovery mode, where one can do firmware dump or even flash with custom firmware.

1 week ago 0 0 1 0

No need to hack it, leverage the open source community. All of prusa design, electronics and software is free!

2 weeks ago 0 0 0 0
Nuclear Magnetic Resonance (NMR) Director

Nuclear Magnetic Resonance (NMR) Director, The University of Colorado Boulder, Colorado jobs.colorado.edu/jobs/JobDeta... #NMRjobs #NMRchat 🧲

1 month ago 2 2 0 1
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ChatGPT

2 months ago 0 0 0 0
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DeepSeek

2 months ago 0 0 1 0
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Kimi K2.5 Thinking

2 months ago 0 0 1 0
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Perplexity

2 months ago 0 0 1 0
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Gemini

2 months ago 0 0 1 0
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Claude without thinking

2 months ago 0 0 1 0
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Claude with Extended thinking

2 months ago 0 0 1 0

I asked bunch of LLM: Should I walk or drive to wash my car at the car wash that is only 100m away from my house?

2 months ago 1 0 2 0

Amazing videos… side note I’ve personally used that Magritek’s earth field NMR in the background of these videos. It’s really cool to understand basic NMR/MRI concepts. However, it took me a week to figure out why I wasn’t getting any signal because the building I was in was a Faraday cage!

2 months ago 2 1 0 0

Visited Toronto for the first time, 540 miles #EV round trip on my #Mach-E, solely relying on #Tesla #supercharging #network, averaging about $0.21/mile - not bad at all for winter driving.

3 months ago 2 0 0 0

This hits #RHEL 9, #AlmaLinux 9, #Rocky 9, #CentOS Stream 9: all the same under the hood, all the same headache.
Check your limits.conf BEFORE your next upgrade. You'll thank yourself later.
#NMR #Bruker #TopSpin #ScientificComputing #LabIT

4 months ago 1 0 0 0
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The fix is annoyingly simple once you know:

Add to /etc/security/limits.conf:

* soft memlock unlimited
* hard memlock unlimited

Reboot. That's it. You're done.

4 months ago 0 0 1 0

What happened: #RHEL9 slashed the memory locking limit to a measly 8 MB in the name of "security hardening." Real-time scientific software needs way more than that to function. Shimming your magnet? Not anymore.

4 months ago 0 0 1 0

PSA for NMR labs: If #Bruker #TopShim suddenly dies with "std::bad_alloc" after upgrading to #RHEL 9 or #AlmaLinux 9, your spectrometer is fine. Red Hat broke it for you.

4 months ago 3 1 1 0
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Biomolecular NMR Facility Manager Position Title: Biomolecular NMR Facility Manager Job Group: Professional & Scientific Required Minimum Qualifications: Bachelor’s degree and 5 years of related experience Preferred Qualifications...

Iowa State University is seeking a Biomolecular NMR Facility Manager to support the operation, maintenance, and research activities of its high-field NMR instrumentation isu.wd1.myworkdayjobs.com/IowaStateJob... #NMrjobs #NMRchat 🧲

4 months ago 2 2 0 0
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After 4 years, the brushes are finally out again. Painting on a 4x4 ft giant canvas, with tiny hands adding their magic along the way 🎨

Canvas made by @debashishsahu.com

#abstractart #tinyartist #canvasyvibes #modernart #acrylicpainting

4 months ago 4 1 0 0

Anyone looking into it, here’s a useful resource: wiki.serversatho.me/nextcloud

4 months ago 1 0 0 0

Today I decided to enable Nextcloud Office on my Nextcloud instance - WITHOUT HELP FROM AI!!! Let me tell you, it took me 2+ hrs to figure it out after reading documents and dealing with SSL issues on Cloudflare. Now it’s all set up, it will replace Office 365 in a heartbeat!

4 months ago 1 0 1 0

Released espidf-nats v1.1.0

Now with WebSocket transport support! Connect your ESP32 to NATS servers via ws:// and wss:// - perfect for networks where raw TCP isn't available.

components.espressif.com/components/d...

#ESP32 #IoT #NATS #embedded

4 months ago 2 0 0 0
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GitHub - debsahu/espidf-nats: A shallow port of arduino-nats to the ESP-IDF framework A shallow port of arduino-nats to the ESP-IDF framework - debsahu/espidf-nats

Now on the ESP-IDF Component Registry:

idf.py add-dependency "debsahu/espidf-nats^1.0.2"

Header-only, works with ESP-IDF 4.4+, supports ESP32/S2/S3/C3.

PRs welcome!

github.com/debsahu/espidf-nats

4 months ago 0 0 0 0
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The Claude workflow was wild - I'd describe a NATS feature, Claude would implement it, we'd iterate on edge cases.

Went from ~200 lines to 2000+ lines of header-only C++. All the JetStream API complexity handled in clean callbacks.

4 months ago 1 0 1 0

Perfect for IoT:

• KV Store → device config, sensor calibration, device twins
• Object Store → OTA firmware updates, log uploads
• JetStream → guaranteed delivery for critical sensor data
• Offline buffering → handles spotty WiFi gracefully

4 months ago 0 0 1 0

More reliability features:

• NATS 2.0 Headers (HPUB/HMSG)
• Request timeouts with callbacks
• Async non-blocking connect
• Message buffering when offline
• Exponential backoff reconnect
• Connection metrics & error codes

4 months ago 0 0 1 0