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Posts by nhuck

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Mobile Telephony Fraud and Institutional Failings My Story Fighting Insurance Fraud

I have been receiving 1500 calls from insurance fraud call centers per month. That's one call every 6 minutes.

I tried to rely on American institutions for defense. I discovered that every institution was ineffective.

Read my experience with fraud and institutions here
substack.com/home/post/p-...

3 months ago 2 4 0 0
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I am really enjoying this book "How to Read a Book" by Mortimer Adler.

In it, he discusses that proper reading of suitable material should involve more than acquisition of new information.

Proper reading involves struggling to understand new concepts and applying those new concepts to new and old.

1 year ago 6 0 0 0
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The latest version of hardcover IETF RFCs have gutter margins! They are finally in a state that I'm happy with!

They are now available for purchase!
physicalfiles.com

1 year ago 6 1 0 0

Yeah it's definitely useful for starting new projects. I've found it helpful for things like

- "Write the CMake file"
- "Write a GitHub CI yml"
- "Write tests for this class"
- "Update this function with X"

It really shines if you can give it a straightforward task with a narrow scope.

1 year ago 2 0 0 0

My trick is to write out a project skeleton with interfaces then ask for implementations.

I.e. most of the design work falls to you, but the implementation is done by the LLM.

I've also found that the model matters a lot. The paid versions of ChatGPT and Claude are necessary for bigger projects.

1 year ago 2 0 1 0
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I've been learning to paint!

I see a lot of progress in these photos!

1 year ago 3 0 0 0
Physical Files Printing Service We print RFCs and other open source documentation for developers.

My RFC printing store is finally up and running!

physicalfiles.com

We are selling hardcover RFCs.

We currently have 5 RFCs listed:
- RFC 4271: BGP
- RFC 3261: SIP
- RFC 3550: RTP
- RFC 2328: OSPF
- RFC 5280: X.509

1 year ago 5 0 1 0
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I added some color to my math animation!

1 year ago 5 0 0 0

This is with cycles.

For the second question it's complicated because I didn't know what I was doing.

I click a button in blender which uploads the .blend file to S3. The render farm downloads and renders that file.

It sounds like a universal scene description file would be less error prone.

1 year ago 1 0 0 0
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$4

1 year ago 1 0 1 0
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1 year ago 0 0 0 0
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More animations from last night!

These are combinations of the sphere embedding R^2 -> R^3 with different wave patterns R^2 -> [-1, 1] scaling the radius

1 year ago 2 0 1 0

$0.00016 per second per GPU with 4 GPUs for 1050 seconds of execution time

1 year ago 2 0 1 0
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I've been playing with my serverless render pipeline. I rendered this animation for $0.67 in 15 minutes.

1 year ago 1 0 3 0
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I bought a used copy of Blaise Pascal's book.

I found a bonus item inside! Someone's homework from 60 years ago!

I hope they got an A!

1 year ago 5 0 1 0
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1 year ago 2 0 0 0
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My computer kept overheating while rendering Blender animations.

Instead of giving up, I built a GPU-enabled serverless render farm on runpod + GCS.

It took a few weekends to create the full pipeline.

I present to you: a very mediocre animation of the moon's orbit.

1 year ago 8 0 1 0

Exactly.

Toddlers develop a symbol for "thing exists but is not present" around age 2.

It's not a far jump to "thing does not exist but maybe could".

Those two symbols are the basis for human planning.

Early humans probably benefited a lot from cooperative manipulation of imagined scenarios.

1 year ago 1 0 1 0
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This book asserts that invention is an evolutionary process created by market and social factors.

This process expresses itself on the medium of humans like a painter expresses himself on a canvas.

1 year ago 5 0 1 0
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I'm reading about petri nets, they're super cool!

If you can understand the 2nd example, you'll understand why they're cool.

The idea is that a square cannot execute until all incoming circles contain dots.

Incoming dots must equal outgoing dots.

Super useful for distributed computing!

1 year ago 7 1 0 0

Yeah, I've reached out to the IETF Trust before about this. They said I'm free to print things so long as I don't use their logo.

My main issue is that the RFCs are 8.5x11 by default. That page size makes an unpleasant book.

They probably have them printed out somewhere.

1 year ago 3 0 1 0

They were originally for personal use, but I'm considering making them available for purchase.

The conversion process needs a little more work before I'd feel comfortable selling them.

That said, I'm not sure which RFCs to focus on. Let me know if you have any suggestions for specific RFCs.

1 year ago 3 0 1 0

IETF is a standards organization that governs internet protocols.

An RFC is a document specifying a protocol.

These documents are provided in a digital-only format. I am converting them into hardcover books.

So far I've converted these RFCs:

OSPFv2
SIP
RTP
BGP-4
X.509 PKI
SMTP
NTPv4
TLSv1.3

1 year ago 5 0 1 0

Wow! This is seriously impressive.

Do you have plans to use this as a component in a larger project?

1 year ago 3 0 1 0
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linux/arch/arm/lib/backtrace-clang.S at master · torvalds/linux Linux kernel source tree. Contribute to torvalds/linux development by creating an account on GitHub.

I'm a little late to the party, but this reminds me of dumping stack saved registers during kernel panics for clang-compiled ARM kernels.

There's a fun trick to find the function prologue by parsing the bytecode of the instruction before the saved LR.

github.com/torvalds/lin...

1 year ago 2 0 1 0
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I significantly improved the printing process for my IETF RFC books!

They are much easier to read now! Check out the new vs old.

1 year ago 21 2 7 0
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I've been playing with GIS. I made an elevation mesh of Central Park.

Apparently NASA has a public S3 bucket containing their satellite topography data.

www.earthdata.nasa.gov/data/instrum...

1 year ago 16 0 2 0

Interesting. Advertising an effective interest rate seems intentionally confusing.

If I need a loan, why not advertise the interest rate that makes the computations most accurate?

1 year ago 1 0 0 0
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My current software pipeline is fairly involved. It requires reflowing paragraphs to fit the new column width.

It also tracks section anchors after resizing and updates the table of contents.

1 year ago 4 0 0 0

The screenshot is an application that I wrote in Rust :D

I looked at XML and PDF before writing this.

Only newer RFCs are available in XML. IIRC XML is unavailable for RFCs before 2016.

PDF is unsuitable because I specifically want 6"x9" page size. Scaling results in unreadable text sizes.

1 year ago 4 0 1 0