bob
@bob.feed.hella.cheap.ap.brid.gy
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📝 2211
semiotics engineer 🌉 bridged from ⁂
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there's actually nothing in FAR part 103 preventing you from making a self-launched sailplane that takes off using JATO bottles
about 24 hours ago
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you can just plug a solar panel into some bricks. you will not regret just plugging a solar panel into some bricks
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Winter is Coming: Build a Solar Powered Foot Stove
This guide explains how to construct an electric heating device powered by a small solar panel. Thanks to its heat storage, the heat cube retains its warmth for hours after sunset.
https://solar.lowtechmagazine.com/2025/11/winter-is-coming-build-a-solar-powered-foot-stove/
1 day ago
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how to repurpose your old phone into a web server
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farphone
farphone is a website running on a repurposed smartphone
https://far.computer/how-to/
1 day ago
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a vocal version of this would slap. it's basically a shaker round already, just arranged for synths https://eodtracks.bandcamp.com/track/dream-in-sacred-smoke
#np
1 day ago
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you ever think about whether the bee movie copypasta counts as a single utterance
2 days ago
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there's a type of post you see a lot of now (especially in legacy media and places like huffpo and blogs whose names start with the word "the") where they start identifying a real trend which has problematic aspects, and then do this sleight of hand where they equate the opposite of those […]
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Original post on feed.hella.cheap
https://feed.hella.cheap/@bob/statuses/01KAPJ3WS357EDZRZ5N3ASVJW2
2 days ago
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read Foucault's Pendulum: a novel about the consequences of doing a grift writing computer generated conspiracy slop written in 1988
2 days ago
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say I want a space efficient way of representing documents as sets of terms, where I want to be able to efficiently see if a query is a subset of a document (ie all the terms in the query are in the document). I can easily see if two sets are equal by assigning each possible term a prime number […]
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Original post on feed.hella.cheap
https://feed.hella.cheap/@bob/statuses/01KAP4RGCCQP08XVW91JY3TF7G
2 days ago
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free idea for any IP lawyers: go around to open source developers and get them to put the code equivalent of
trap streets
in their code. make sure they do it in a way that will show up in build artifacts. then download all the apps from the app stores, find any that match, and send C&D letters
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Trap street - Wikipedia
https://en.wikipedia.org/wiki/Trap_street
3 days ago
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apparently valve is using turnip, not qualcomm's proprietary driver, in the frame
https://www.igalia.com/2025/11/helpingvalve.html
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助力Valve提升Steam设备性能
Helping Valve to power up Steam devices (www.igalia.com) 01:29 ↑ 140 HN Points
https://www.igalia.com/2025/11/helpingvalve.html
3 days ago
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LMAO
https://github.com/ocaml/ocaml/pull/14369
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DWARF support for macOS and Linux by joelreymont · Pull Request #14369 · ocaml/ocaml
DWARF v5 Debugging Support for OCaml Native Compiler This PR adds DWARF v5 debug information to the OCaml native compiler, allowing proper source-level debugging in GDB and LLDB. What's Impleme...
https://github.com/ocaml/ocaml/pull/14369
3 days ago
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konfabulator/dashboard applets but they're palmos applications
4 days ago
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reposted by
bob
lucie lukas "minute" hartmann
4 days ago
my fantasy is that all apps from all old architectures should be able to be run on a modern linux desktop for preservation's sake, and not be confined to non-interoperating full machine emulators only. we can do this with windows and android apps already. i can play x86 steam windows games on my […]
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Original post on mastodon.social
https://mastodon.social/@mntmn/115585141335056859
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jet turbines in parking lots are running 24/7 to bring you this
4 days ago
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NVDA just lost all the gains it made from the earnings results yesterday, for those playing along
4 days ago
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this is really good information design from the
breezy weather
app. I'm delighted
4 days ago
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how common is it for mobile apps to use sqlite extensions? if you're a mobile dev, and I gave you an extension .dylib or .so file, would you know what to do with it?
4 days ago
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the ocaml equivalent to .unwrap() is Result.get_ok which I don't think I've ever seen used
5 days ago
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let's see how things are going in zig land, maybe they do a better job of error handling
https://bsky.app/profile/wffl.ihatereality.space/post/3m5yp6m47yk24
5 days ago
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reposted by
bob
Liam Proven
6 days ago
Latest Servo release hints at a real Rust alternative to Chromium https://www.theregister.com/2025/11/18/servo_002_arrives/ As Mozilla stumbles into 'AI everywhere,' you might be glad of a non-Google browser engine <- by me on
@theregister
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Servo 0.0.2 hints at a real Rust alternative to Chromium
: As Mozilla stumbles into 'AI everywhere,' you might be glad of a non-Google browser engine
https://www.theregister.com/2025/11/18/servo_002_arrives/
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Cloudflare was down Why? Edge web servers were restarting Why? They failed to handle filter rule files being over a certain size Why? The code was calling .unwrap() and not handling the error case Why? That code path had never been exercised before Why? The rule file was trusted input and […]
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Original post on feed.hella.cheap
https://feed.hella.cheap/@bob/statuses/01KAEJFYS0EWB0VZZTRNNXPMJ3
5 days ago
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I often use python to debug and write unit tests for C code, and so I have a workflow where I'm constantly: making a change to the C code, rebuilding the C extension, running a python script or doing something in the ipython console, repeat. every year it feels like python's build tooling is […]
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Original post on feed.hella.cheap
https://feed.hella.cheap/@bob/statuses/01KACGX15B3NGCVTK7GSM45MT6
6 days ago
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where is your system on the
Chomsky hierarchy
? the answer may surprise you
https://blog.cloudflare.com/details-of-the-cloudflare-outage-on-july-2-2019/
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Chomsky hierarchy - Wikipedia
https://en.wikipedia.org/wiki/Chomsky_hierarchy
6 days ago
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what if there's just enough time between the AI crash and climate change mass migration (which requires huge amounts of production of new technologies; off grid solar, etc) that everyone forgets how to do production ramp for new things
6 days ago
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https://www.bbc.com/news/articles/cwy7vrd8k4eo
6 days ago
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san francisco is so, as the kids say, cooked
7 days ago
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what happened in 2024 that made moerno and bitcoin de-correlate?
7 days ago
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it can only index like 10k documents per second, that's a little disappointing (though I haven't done much tuning yet)
9 days ago
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is anyone working on using bone conducted sound in VR headsets to address VR sickness by directly acting on the vestibular system?
9 days ago
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thinking about the arts and crafts movement and how style might evolve as a reaction to AI slop the way arts and crafts was a reaction to early industrial production. what does "authentic" digital stuff look like?
9 days ago
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if activitypub server A supports i2p and its users follow accounts with @i2p_address.i2p.alt usernames, and a user on server A reposts an i2p post, and a user on server B follows that user, would that break anything? would server B tolerate not being able to resolve any of the i2p addresses?
10 days ago
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the oneida commune became a corporation that makes silverware until they eventually moved all the production to china and sold the brand to a conglomerate
10 days ago
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we don't need an organizational fork of mozilla, mozilla being an Organization is the original sin that led to the current state of affairs. we need everyone sharing patches and building from source (which librewolf did an admirable job lowering the friction of doing). the only way to stop […]
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Original post on feed.hella.cheap
https://feed.hella.cheap/@bob/statuses/01KA23D3S7BBCEG8VG74XS07A2
10 days ago
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you don't need a floating point unit if you just do all your math in GF(2)
10 days ago
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10 days ago
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11 days ago
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NPUs are useful for all kinds of stuff besides neural nets (really anything that involves big matrix multiplications), you just need to learn MLIR or ONNX to program them
11 days ago
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finally switching off thunderbird (to claws) after they opened a popup ad asking for donations, in a foreground window, when thunderbird was minimized
11 days ago
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powerous website
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Home page, Bob Jenkins
https://burtleburtle.net/bob/
12 days ago
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I wrote up the fused random projection thing in a little blog post:
https://notes.hella.cheap/one-weird-hashing-trick.html
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One Weird Hashing Trick
Bag-of-ngrams random projection without computing the bag-of-ngrams or the projection matrix
https://notes.hella.cheap/one-weird-hashing-trick.html
12 days ago
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really clear and thorough picture of the mechanics of AI bubble financing and what it might look like when it blows up
https://publicenterprise.org/report/bubble-or-nothing/
12 days ago
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what are people's favorite prompt injection or other poisoning techniques to deal with AI companies scraping their version control servers? is there a way to inject analytics beacons that will trigger coding agents to connect back to you and tell you who is using the agent?
12 days ago
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using a count-min sketch over ngrams as a markov chain and staring at this, eyes squinting, head turned sideways, trying to decide if it's reasonable
13 days ago
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a crash is going to put a bunch of corporate SaaS companies out of business which means their customers are going to be high and dry which means they'll be looking for replacements as quickly as possible and will want those replacements to be on-prem which is going to create a ton of basically […]
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Original post on feed.hella.cheap
https://feed.hella.cheap/@bob/statuses/01K9TE15DM7HKDN5ANNVTF8ZWE
13 days ago
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the experience of talking to people that swear everything is fixed in the latest LLM that came out six months ago is the same as the experience of talking to people who insist house prices never go down
14 days ago
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The Underwear Fixed Point
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The Underwear Fixed Point
In which I fit a neural embedding to my gotosocial server
https://notes.hella.cheap/the-underwear-fixed-point.html
14 days ago
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reposted by
bob
独楽子@みすけっとB-54
14 days ago
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reposted by
bob
独楽子@みすけっとB-54
14 days ago
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if you cluster tokens by co-occurrence, and you make a count-min sketch of ngram frequencies, then you can do autocomplete as a bounded search problem (where there are a small number of tokens per cluster and you're only considering tokens in the same cluster), and you can do autocomplete on the […]
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Original post on feed.hella.cheap
https://feed.hella.cheap/@bob/statuses/01K9NKZ99SQVTVK14RYRG31E8V
15 days ago
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is there a fast way to do length normalization when your vectors are integer and you don't want to use floating point where normalization is all the vectors sum to some constant not one, obviously if they were normalized to sum to one it would be a binary vector and throw away a ton of […]
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Original post on feed.hella.cheap
https://feed.hella.cheap/@bob/statuses/01K9N6D46CJTNCD26QRHZCJHTD
15 days ago
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