manwe150 (u/manwe150)

manwe150 commented on Tell HN: AI coding is sexy, but accounting is the real low-hanging target · Posted by u/bmadduma

So what you are saying it's that the AI accountant needs to mimick a human well enough to the point people value their relationship with it.

manwe150 · 16 hours ago

No, you need to make the AI endure torture, so that the human has a reason to value it. Say late nights with less power and a little extra heat to stress it. But the usefulness of an AI assistant is that it doesn’t have feelings or consciousness to care about

manwe150 commented on Rivian Unveils Custom Silicon, R2 Lidar Roadmap, and Universal Hands Free riviantrackr.com/news/riv... · Posted by u/doctoboggan

lotsofpulp · 6 days ago

> High-severity accidents might drop, but the industry bleeds money on high-frequency, low-speed incidents (parking lots, neighborhood scrapes). Autonomy has diminishing returns here; it doesn't magically prevent the chaos of mixed-use environments.

This seems like it can be solved with a deductible.

manwe150 · 5 days ago

I think parent might be implying that a 10 mph collision can total a car just as effectively as a 100 mph collision. There might be more left of the occupants, but the car itself might be still a total loss from a cost-to-repair perspective

manwe150 commented on Migrating the main Zig repository from GitHub to Codeberg ziglang.org/news/migratin... · Posted by u/todsacerdoti

victorbjorklund · 20 days ago

Yeah, either this guy's totally insane or it could even be somebody who's an AI skeptic who's just flooding projects with really dumb PRs just to show the risks and get people skeptical about the use of AI in open source (Takes on my folie hat)

manwe150 · 20 days ago

That is a curious take. Open source projects were flooded by dumb PRs before AI too, so what would it prove?

manwe150 commented on Migrating the main Zig repository from GitHub to Codeberg ziglang.org/news/migratin... · Posted by u/todsacerdoti

strix_varius · 20 days ago

Totally agree. For me, the hard part has been figuring out the distinction with junior engineers... Is this poorly thought out, inefficient solution that is 3x as long as necessary due to AI, or inexperience?

manwe150 · 20 days ago

Does it matter? Either way seems to just reflect badly on the junior, who needs to improve their self-review skills and knowledge

manwe150 commented on A time-travelling door bug in Half Life 2 mastodon.gamedev.place/@T... · Posted by u/AshleysBrain

bakugo · 23 days ago

The game has ammo pickups that refill 20% and 50% of whatever your max ammo is, so floats have to be involved in there somewhere.

manwe150 · 23 days ago

Dividing by 5 or 2, respectively, are integers, if the game developers wanted them to be. More so because the actual units of ammo need to be integers if they are to render as full bullets each

manwe150 commented on No Leak, No Problem – Bypassing ASLR with a ROP Chain to Gain RCE modzero.com/en/blog/no-le... · Posted by u/todsacerdoti

manwe150 · a month ago

I’m somewhat curious why GOT and PLT are ever mapped readable these days, when it could have been only mapped readable and then glibc use one of the various API tricks that other JIT (ld.so is obviously a JIT too) often use to write to memory indirectly while maintaining security hardening, such as maintaining a dual mapping for writing at a random address offset from the readonly fixed address section. That way there is never a partial relo vs PIE vs performance vulnerability tradeoff

manwe150 commented on Linear algebra explains why some words are effectively untranslatable aethermug.com/posts/linea... · Posted by u/mrcgnc

drivebyhooting · a month ago

That isn’t a proof. Synonyms can bolster the enumeration sans augmenting novelty.

manwe150 · a month ago

That is the crux of the article premise: each synonym conveys similar denotations (principle component is I think what the article called it), but usually with some difference in connotations (the off axis contributions). You can nudge the languages vectors towards each other by adding enough synonyms and modifiers together, but they are always a little bit off even still

manwe150 commented on I hate screenshots of text parkscomputing.com/page/i... · Posted by u/paulmooreparks

avree · a month ago

OCR is a godsend, 100% agree. Not a fan of the metadata idea personally, 'screenshotting' is done by the operating system, and exposing ways to allow apps to know that they were 'in' the screenshot plus expose some metadata of their choosing (like your examples of GPS coordinates for a maps app, url for browser) sounds like a privacy nightmare, and like something that will make a very reliable core feature much harder to use.

There are companies like Evernote/Zight/CloudApp that at one point tried some things like this, but they never really caught - I think because it's pretty easy to add annotations yourself or some note of your own - and a screenshot not "trying to do everything" is part of what makes them useful & ubiquitous.

manwe150 · a month ago

But apps (most notably Snapchat comes to mind) have been doing exactly that analysis though. Theoretically they could then [offer to] edit the photo immediately afterwards to add context, since they had access to the photo roll or files https://android.stackexchange.com/a/119767

manwe150 commented on How often does Python allocate? zackoverflow.dev/writing/... · Posted by u/ingve

godshatter · a month ago

C gets a lot of crap, sometimes for good reason, but one thing I like about it is that the question of whether C is allocating something is easy to answer, at least for your own code.

manwe150 · a month ago

Python is entirely a C program, ergo by this article, this seems like one of those fallacies C programs believe justifies using C

manwe150 commented on Things you can do with diodes lcamtuf.substack.com/p/th... · Posted by u/zdw

kens · a month ago

The description of forward current and the graph are completely wrong. The graph shows approximately linear current above 600 mV, and the text says "When the threshold is cleared, the diode admits current that’s roughly proportional to the “excess” applied voltage, an ohmic behavior that’s a consequence of the resistance of the material itself".

The current through a diode is exponential with voltage, not "proportional". The graph shows 1.6V applied to a diode yielding 250 mA. In reality, this isn't possible since you'd get a huge current and destroy the diode.

See the Shockley diode equation: https://en.wikipedia.org/wiki/Shockley_diode_equation

I'm surprised that nobody has mentioned that the article is messed up, so am I missing something here?

manwe150 · a month ago

The Wikipedia equation there mentions the formula ignores the contribution of the internal resistance, which would make it proportional. It seems the article assumes that resistance is a significant contribution (possibly even just from their voltage source) while you assume it is not, for any given particular diode being evaluated or measured, either could be right