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sampo
searching PlanetScale…
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6 ms
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61.
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by
sampo
9mo ago
This is an interesting question. Dataframes first appeared in S-PLUS in 1991-1992. Then R copied S, and from 1995-1996-1997 onwards R started to grow in popularity in statistics. As free and open source software, R started to take over the
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sampo
9mo ago
Historically 18 years ago, Pandas started as a project by someone working in finance to use Python instead of Excel, yet be nicer than using just raw Python dicts and Numpy arrays. For better or worse, like Excel and like the simpler progra
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sampo
9mo ago
He made a famous career, to being a professor and a director in Stanford University, about meta-research on the quality of other people's research, and critiquing the methodology of other people's studies. Then during Covid he tri
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sampo
9mo ago
Roomba (specifically the brand of the American company iRobot) only added lidar in 2025 [1]. Earliest Roombas navigated by touch (bumping into walls), and then by cameras. But if you use "roomba" as a generic term for robot vacuum
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sampo
9mo ago
In 2023, Balticconnector gas pipeline between Estonia and Finland was broken by a Chinese ship Newnew Polar Bear dragging its anchor in the sea floor. https://en.wikipedia.org/wiki/Balticconnector#2023_damage_in... In
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sampo
10mo ago
This article was helpful: https://www.nytimes.com/2025/12/19/us/mit-professor-shooting... https://archive.is/qypoz
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sampo
10mo ago
> Authorities believe the man ... may also be involved in the recent killing of an MIT professor.
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Brown University Shooting Suspect Found Dead in New Hampshire
(vanityfair.com)
1 points
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sampo
10mo ago
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1 comments
69.
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sampo
10mo ago
> Suppose you pass a parameter, N, and you also would like to pass a tensor, and you would like to specify the tensor's shape (N, N). You can do that, and it might be cleaner and less lines of code that way. But you don't neces
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Air passengers exposed to high levels of ultrafine particles, study
(theguardian.com)
13 points
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sampo
10mo ago
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0 comments
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sampo
11mo ago
> This is highly unlikely Absolutely. But are visitors from other star systems any less unlikely?
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sampo
11mo ago
> have macros for your editors that allow you to convert the "->" into an actual arrow. Or, as suggested here, use language macros: #define → -> https://lists.isocpp.org/std-proposals/2023&#x
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sampo
11mo ago
> More than 20 years ago, I corresponded with famous UFO researcher Stanton T. Friedman. His central claim was that “the evidence is overwhelming that some UFOs are extraterrestrial spacecraft”. I don't believe in UFOs. But if I had
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sampo
1y ago
> If India can have voters vote and tally all the votes in one day, then so can everyone else. In most countries, in the elections you vote or the member of parliament you want. Presidential elections, and city council elections are held
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sampo
1y ago
Wikipedia page doesn't have any estimates on when the contamination event might have started (so products processed before that would be safe). It only tells that the food recall in the US started 2 months ago. https://en.wi
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sampo
1y ago
> Radiation scans revealed at least 22 plants in the industrial zone were contaminated. The Indonesian taskforce did not name the 21 other production facilities, but said they would immediately undergo decontamination procedures conducte
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sampo
1y ago
> this does not track with how rarely I've heard of people with it. Maybe you are not the type of person that people feel comfortable to share their health problems information with.
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sampo
1y ago
As of past 1.5 years, the use of fossil fuels for electricity generation in China seems to have reached a plateau. They are building new coal plants, more new plants than they are retiring old plants. But even with new coal plants, they hav
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sampo
1y ago
> Where did you find this? I put together the pieces mentioned in various places in the first Dune book. Every step sounds good and plausibly science(-fiction)-esque when presented separately, like the book does. Only when you put all th
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sampo
1y ago
Not related to the article, but related to Frank Herbert's Dune: The Dune ecosystem is much less thought out than it appears to be. Herbert drops bits and pieces about the Dune ecology here and there so getting an overall picture is di
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Study of 1M-year-old skull points to earlier origins of modern humans
(theguardian.com)
4 points
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sampo
1y ago
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1 comments
82.
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sampo
1y ago
Maybe Ikea UPPÅTVIND would largely serve a similar purpose, except it maybe doesn't have such a directed outflow of filtered air. https://www.ikea.com/fi/en/p/uppatvind-air-purifier-10498221...
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sampo
1y ago
M. ibericus queens produce ibericus males and ibericus females, so that these can mate and produce more ibericus queens. This keeps the normal sexual reproduction of the species going on. M. ibericus queens produce ibericus × str
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sampo
1y ago
> What else did they leave out? Plants. Fungi.
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sampo
1y ago
> I'm really confused how the female can produce a clone of the male of another species. In normal ants, the queen can produce haploid (single set of chromosomes) unfertilized eggs that hatch into males. Normal ant males are haploid
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Ants that seem to defy biology – They lay eggs that hatch into another species
(smithsonianmag.com)
478 points
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sampo
1y ago
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158 comments
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sampo
1y ago
This September 4 raid happened 12 days ago. It has been in the news daily. It has its own Wikipedia article. But I haven't found any source that would clearly tell whether the workers had valid and legal work visas or not and/or i
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sampo
1y ago
> What "dirty jobs" is China, and now apparently other countries, being purportedly forced to do? In past decades, we had this system that China manufactures goods, they are shipped in ships to US and Europe, and because US and
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sampo
1y ago
In the description text field click "...more" and then "Show transcript".
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sampo
1y ago
> Europe isn’t anti-science. When it comes to GMO plants, Europe is anti-science. European Commission had a Chief Scientific Adviser, but they happened to choose a plant biologist for the role [1]. Then she dared to speak the scientific
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