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James D. McCaffrey

Personal blog · jamesmccaffrey.wordpress.comaiprogrammingmath

James D. McCaffrey's personal blog at jamesmccaffrey.wordpress.com covers ai, programming and math. Since 2017, 5 different Hacker News readers have linked it 7 times. It is still writing: the last post was on 2026-11-02, and you can follow it by feed.

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7mentions?
5HN people?
2017–2025first – last linked?
Links on Hacker News per year · peak 2 in 2019

Too few sampled comments (2) to say how often HN recommends it.?

Why HN links it

Linked for a worked example of implementing a custom neural-network layer, in a 2021 post. The comments cite it as a code example and do not judge the writing.

Summarised by Claude from a sample of 2 HN comments that link here. Each comment is marked recommending, critical or neutral (citing without judging); how this works.

Software Research, Development, Testing, and Education

What Hacker News says?

  1. I know this is a dead horse, but I think R seriously shot itself in the foot with its data structures[1]. I don't really see a solution for this, as fixing it would never be backward compatible. I'll always pick Python over R because the data structures actually make sense to me as a programmer (objects that look like lists, dicts, matrices, etc. or any combination of the above, and they all behave in very predictab…

    Comment linking /2016/05/02/r-language-vectors-vs-arrays-vs-lists-vs-matrices-vs-data-frames/

    on “What's Next for R?”
  2. Submitted Understanding AI Large Language Model Transformers: An Analogy for Mere Mortals as a story · 3 points

    HN discussion
  3. Implementing a custom layer isn't hard[0], that said if it were me I'd rather add it in the runtime, e.g. via a TensorRT plugin. [0] e.g. https://jamesmccaffrey.wordpress.com/2021/09/02/example-of-a...

    Comment linking /2021/09/02/example-of-a-pytorch-custom-layer/

    on “VkFFT: Vulkan/CUDA/Hip/OpenCL/Level Zero/Metal Fast Fourier Transform Library”
  4. Submitted Bayesian Search for Sunken Objects (2017) as a story · 2 points

    HN discussion
  5. Submitted Geometry puzzle as a story · 2 points

    HN discussion
  6. Submitted Benford's Law and the Ahlstrom Conjecture as a story · 1 points

    HN discussion
  7. Submitted Preparing Text for an LSTM Recurrent Neural Network as a story · 1 points

    HN discussion

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