Recent submissions

Comment · 5 months ago
Using a Feistel cipher and base 32 encoding at the boundaries of the system can help catching vibe coded edge code that attempt to decode identifiers in javascript. It also somewhat obfuscate the cardinalities and fill rate of the tables.
Comment · 5 months ago
The finite-memory nondeterminism monad is like a leaky burrito.
Comment · 5 months ago
The test suite did the heavy lifting.
Comment · 10 months ago
Not a word on Palantir. Is this because of the adept wording by the ministry of justice? I highly doubt they are developing this in a vacuum.

As re reminder, In the UK Palantir holds extensive contracts across defense (multi-billion MoD deals for AI-driven battlefield and intelligence systems) and healthcare (7y £330m+ NHS Data Platform). In France, its involvement is narrower but concentrated on *domestic* intelligence.

Comment · 1 year ago
Close floating-point subtraction loses precision: when x >> 1, sqrt(x+1) ≈ sqrt(x), so their difference suffers cancellation and end up rounding to zero. In contrast, sqrt(x+1) + sqrt(x) approaches 2*sqrt(x) smoothly.
Comment · 1 year ago
The interstimulus interval (ISI) for vision is much longer than most flicker rates or frame intervals in displays and projectors. However flicker can be perceived through temporal aliasing. For lighting, even simple motion in the scene can reveal flicker. Waving your spread fingers in front of your eyes is a sure way to detect flicker.

What you're describing is likely saccadic masking, where the brain suppresses visual input during eye movements. It "freezes" perception just before a saccade and masks the blur, extending the perception of a "frame" up to the point in time of the sharp onset of masking. That's how you get a still of a partially illuminated frame instead of the blended together colors.

I’m no expert in this, but if you're curious, check out the Wikipedia pages on interstimulus interval, saccadic masking, chronostasis, and related research.

Comment · 2 years ago
Why not add a pressure relief valve on the quench path with a very loud whistle? That should be enough to take care of such rare and compounded failures.

What does recall means in this context? De-energizing the superconductor and shipping it back? Seems like a waste and a planning nightmare.

Comment · 2 years ago
Speculation: retrieval diminished generation?
Comment · 3 years ago
Implementations usually replace replace the 1 in the denominator with exp(-max(x)) for this reason.
Comment · 3 years ago
Comment · 3 years ago
44 strn?cpy, 287 strlen; SQLite: 20 strn?cpy, 182 strlen in 1.4x C slocs.
Comment · 3 years ago
One approach is to perform the bitstream parsing and Huffman decoding concurrently, while carrying out the LZ77 decoding sequentially. This method does not rely on a specialized encoder, such as pigz, that isolates LZ references into chunks.
Comment · 3 years ago
Comment · 3 years ago
Comment · 3 years ago

    We downloaded libgen sql and zlib sql and exported the necessary data from them.
Where does this "zlib sql" come from? Anna's pilimi-zlib2-index?

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