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moab commented on Alien: Braun Aromaster KF 20 Coffee Makers (2012)   alienexplorations.blogspo... · Posted by u/exvi
moab · a month ago
Let me use the discussion of coffee to plug what I believe is the most beautiful and long-lasting espresso machine currently out there (you'll hand it down to your grandkids): https://coffeegeek.com/reviews/firstlooks/cafelat-robot-espr...

I've pulled a few thousand cups of long espresso from this guy since we bought it two years ago. Much, much nicer and lower maintenance than a boiler machine. If one wants, you can go deep down the rabbit hole of heat control, etc. but even as a "just boil water and make espresso" machine it works great, with no fuss.

Unfortunately, after buying this thing I can't justify buying other coffee objects that are beautiful but would probably make worse coffee than the robot, e.g., the Moccamaster and other drip machines.

moab commented on The Mammoth Pirates – In Russia's Arctic north, a new kind of gold rush   rferl.org/a/the-mammoth-p... · Posted by u/ece20
potato3732842 · a month ago
A summer away from one's family, doing hard work in the mud, eating highly processed food from cans and drinking tons of alcohol sounds like a real blast of a time for young men if not for the mosquitoes and questionable economics of it all.

It sucks that they'd destroying the land and the rivers but that's not new. Hopefully they find some equilibrium that legalizes what they're up to that maximizes the upside and minimizes the damage like more mature resource extraction industries do.

moab · a month ago
This is a bad take. The article makes it clear that most of them will lose money on the venture, and the reason the prices are high are due to status-mining chinese elites and traditional-medicine paranoiacs in vietnam. It's a pretty dismal situation.
moab commented on How uv got so fast   nesbitt.io/2025/12/26/how... · Posted by u/zdw
jeeeb · 2 months ago
> That feels like cargo-culting the toolchain instead of asking the uncomfortable question: why did it take a greenfield project to give Python the package manager behavior people clearly wanted for the last decade?

This feels like a very unfair take to me. Uv didn’t happen in isolation, and wasn’t the first alternative to pip. It’s built on a lot of hard work by the community to put the standards in place, through the PEP process, that make it possible.

What uv did was to bring it all together.

moab · 2 months ago
The point stands that it's less about the language than doing said hard work in any reasonable programming language.
moab commented on Reflections on AI at the End of 2025   antirez.com/news/157... · Posted by u/danielfalbo
akomtu · 2 months ago
The fault is well known: chatbots are bootlickers. They always praise users and never criticize them, so chatbots are quickly promoted to the personal advisor position. The AI of Sauron of technological age.
moab · 2 months ago
This is a very real worry for the AI rollout for the general population. But are folks here using AI to blow smoke up their asses as a sibling comment stated? I'd like to believe we're using it to ask questions, prototype, and then measure... not just blow smoke up there...
moab commented on Performance Hints   abseil.io/fast/hints.html... · Posted by u/danlark1
SeanSullivan86 · 2 months ago
I'm aware of this to an extent. Do you know of any list of what degree of parallelization to expect out of various components? I know this whole napkin-math thing is mostly futile and the answer should mostly be "go test it", but just curious.

I was interviewing recently and was asked about implementing a web crawler and then were discussing bottlenecks (network fetching the pages, writing the content to disk, CPU usage for stuff like parsing the responses) and parallelism, and I wanted to just say "well, i'd test it to figure out what I was bottlenecked on and then iterate on my solution".

moab · 2 months ago
Napkin math is how you avoid spending several weeks of your life going down ultimately futile rabbit holes. Yes, it's approximations, often very coarse ones, but done right they do work.

Your question about what degree of parallelization is unfortunately too vague to really answer. SSDs offer some internal parallelism. Need more parallelism / IOPS? You can stick a lot more SSDs on your machine. Need many machines worth of SSDs? Disaggregate them, but now you need to think about your network bandwidth, NICs, cross-machine latency, and fault-tolerance.

The best engineers I've seen are usually excellent at napkin math.

moab commented on Influential study on glyphosate safety retracted 25 years after publication   lemonde.fr/en/environment... · Posted by u/isolli
delichon · 2 months ago
I live in an extremely high wildfire risk area. I also have an extreme rodent problem. Keeping the vegetation low around structures is indicated.
moab · 2 months ago
You can do that by mowing, fyi.
moab commented on Influential study on glyphosate safety retracted 25 years after publication   lemonde.fr/en/environment... · Posted by u/isolli
GaryBluto · 2 months ago
How about letting him do what he wants with his own land and not insulting his ideal home?
moab · 2 months ago
You're entitled to your own opinion, but imo the point of posting anything on HN is to subject yourself to feedback. That's what I gave. Feedback.
moab commented on Influential study on glyphosate safety retracted 25 years after publication   lemonde.fr/en/environment... · Posted by u/isolli
delichon · 2 months ago
I can feel the pull of glyphosate. I want to kill the weeds right around my house, but that's where my dog sleeps and rolls and eats the grass. Roundup is the popular weed killer and I've got a bottle in the garage. So I look up its effects on pets, and it says "manageable with precautions", particularly waiting for the fluid to dry before letting the dog on it.

I'm not very comfortable with that so looking around for other solutions I see a guy on Youtube telling me how to manage weeds with vinegar. I figure that must be safe, so I buy a bottle of the recommended concentration, but for the hell of it look up its safety for dogs before applying it. They say hell no, this is way too strong for pets and can cause burns, etc. I would need to dilute it quite a bit, making it a lot less effective.

So I ended up using glyphosate, but I'm looking for something better.

moab · 2 months ago
How about not killing the weeds? One doesn't need to live a perfectly manicured pesticide-ridden hellscape.
moab commented on Cache-Friendly B+Tree Nodes with Dynamic Fanout   jacobsherin.com/posts/202... · Posted by u/jasim
thesz · 4 months ago
One would be better off implementing cache-oblivious lookahead array [1] or even log-structured merge trees.

[1] https://www3.cs.stonybrook.edu/~bender/newpub/BenderFaFi07.p...

Both structures exploit the fact that most of the data does not change much and can be packed as tight as one wishes. Even prefixes (and suffixes) can be factored out.

moab · 4 months ago
Do you know of important real-world use-cases where cache-oblivious data structures are used? They are frequently mentioned on HN when relevant discussions like this one pop up, but I would love to hear about places where they are actually used in production.

u/moab

KarmaCake day774June 14, 2014
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