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potatochup

491 karma · joined January 22, 2019

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potatochup··on Microsoft to build energy efficient, heat-producing data centre in Finland
I first discovered the GIL in python when I tried to peg all 8 cores on my laptop using threading to heat my bed in the winter.
potatochup··on The Migration Of Engine ECU Software From Single-Core To Multi-Core
CPUs in the automotive space are primarily chosen for being cheap, and with the right number/kind of IO. If you do enough stuff¹, it's certainly possible to reach the CPU load limits of a single core CPU, and it might cheaper to upgrade to a dual core than put in another ECU (also, faster ECUs with the same IO/arch might not be available).

I've also seen arrangements where the dual-cores have separate memory spaces, and one core acts like a safety processor/monitor while the other is the main compute module.

1: examples of CPU intensive stuff include active damping, active aero (spoilers), active rear steering, steer by wire, etc. You may think these things are irrelevant w.r.t. an engine ECU, but if the engine ECU is responsible for producing torque, then systems like traction control, stability control and etc are all directly related to torque production

potatochup··on Israel passes law denying naturalization to Palestinian spouses
There are a couple of arguments that might be presented to explain how affirmative action is different to apartheid.

1) affirmative action does not remove any rights of those groups not targeted by affirmative action. It is possible to argue that by supporting one group, you are implicitly disadvantaging the out-group, but usually this distinction is important. E.g. having a "ladies night" at a bar is generally more acceptable than a "men pay double price" night.

2) affirmative action policies tend to target education and employment. The right to vote is typically is given higher priority when it comes to balancing different rights.

3) Affirmative action can be seen as targeting equal outcomes, not equal treatment[1]. My country offers free breast cancer screening to all women above a certain age. Men can certainly catch breast cancer, but it's far more dangerous to women, so a gender-blind outcome of "we want less people to die of breast cancer" has a gender-aware policy implementation. Most people wouldn't say that this policy is "medical apartheid" on the basis of gender. Similarly, you could say that affirmative action is about getting disparate groups to have equal outcomes in terms of whatever metric you care you measure (educational attainment, income, etc)

[1] not everyone agrees with this. Some people argue that preferential treatment should be given to groups that were historically persecuted (e.g. land confiscation), as remediation.

potatochup··on Ask HN: What are some good keyboards?
Another fan of the freestyle here (although I have the pro)
potatochup··on Magpies have outwitted scientists by helping each other remove tracking devices
As a kiwi, I find their calls to be ugly sounding, but it's highly likely I'm biased against imported species :) I trap and kill all the imported mamallian pests I cone across (mice, rats, possums), but have left the magpies alone for now, although they do complete with native species and are too big to be hunted by local hawks/falcons/etc
potatochup··on U.S. to provide $5B to help states build network of EV charging stations
Pretty much every manufacturer is constrained by cell supply. If you can only sell a smaller amount of cars due to supply issues, then you need to make it up by offering premium models. Only once the supply constraints relieve will someone like ford, GM or Tesla start making cheaper cars.
potatochup··on Light to moderate coffee consumption is associated with lower risk of death
There are generic differences in people's ability to process caffeine, some at a much faster rate which means the effect isn't nearly as long.
potatochup··on Get mock interviews now, pay when you find your next job
I used to do interviews for interviewing.io, and it's a bit different. For my work, I'm not going to give any feedback, and will try leave early if it's not going well. When I was being paid for it via interviewing.io, I would give people fairly detailed feedback on what went well and what went wrong, and also answer any questions the mock candidate had.
potatochup··on Divorce in the rich world is getting less nasty
Not just the USA. New Zealand calls it "de facto marriage" https://www.justice.govt.nz/family/separation-divorce/divide...
potatochup··on NASA: Tonga blast was 10 megatons, more powerful than a nuclear bomb
Only if you're exactly on the opposite side of the world I think?
potatochup··on Show HN: I bought and tested the filtration of every mask on Amazon
on the 3M aura, "made in american". otherwise great site
potatochup··on I now have full remote control of over 20 Tesla’s in 10 countries
Did anyone find any details/proof in the thread?
potatochup··on I quit caffeine
Have you found good decaf anywhere? I drink only espresso and haven't found any decaf that isn't miserably bland.
potatochup··on Ask HN: Which computer keyboard do you use?
Kinesis freestyle pro. Helped a lot with pain, and barely requires adjustment if you switch between that and a standard keyboard.
potatochup··on Omicron at 100% Prevalence, Colorado
Yeah, NZ is going to get Omicron at some point and then we'll catch up with the rest of the world. We had <20 cases the other day, but there are hundreds in quarantine who've arrived from other countries that will bring in Omicron. 2020 and 2021 was mostly totally covid free, so having normal life back again was a real blessing. But it's just a matter of time before we catch up to the rest of the world
potatochup··on Myopericarditis rates in young men after Covid-19 vaccine second dose [pdf]
Yeah, this is the logic and data that I used. I plan on engaging in fairly 'risky' behavior when I can (social dancing), so I'm assuming I'll catch Covid at some stage, so I'd rather catch it with a vaccine (as I think the risk of vaccine+covid is less than unvaccinated covid). At current rates of 20,000 cases/day, everyone in New South Wales will get Omicron in just over a year, so unless you totally isolate yourself from society, it's highly likely everyone will catch it at some point.
potatochup··on Locked-out New Zealanders outraged as visa scheme for rich foreigners resumes
To your first point: yes? This seems fairly reasonable as those expats are also paying taxes to their resident countries, not NZ.
potatochup··on Tesla Light Show xLights Guide
Is it not possible for an individual engineer within Ford to have some creativity? To hack on something they weren't supposed to? Not every output from a company is top-down, corporate-overload, profit maximizing.
potatochup··on Tesla Light Show xLights Guide
Do you really think this was originally a planned feature by Tesla? That some cynical marketing manager sat down ans though "if we do this we'll get X impressions leading to Y new sales, lets allocate 0.7FTE engineers to the task"?

I very much doubt the design requirement for the Model X include a specification for "muat be able to produce Christmas shows". This sure looks like some engineer had a spurt of creativity, which qualifies to "hacking" to me.

potatochup··on Group of monkeys kill over 250 dogs for 'revenge' in Indian town
New Zealand has/had plenty of predators, they were just all avian [0], [1], which hunt by sight, and during the day [2]. Existing/nesting on the ground with good visual camouflage is a adaptation to avoid avian predators. Obviously it doesn't work that well against mammalian predators.

- [0] https://en.wikipedia.org/wiki/New_Zealand_falcon - [1] https://en.wikipedia.org/wiki/Haast%27s_eagle - [2] exception here being the Ruru (an Owl)

potatochup··on It is easier to educate a Do-er than to motivate the educated
Ooooh yeah. After being in national level sports teams, high-performing bands, I took up swing dancing as a hobby. I was garbage at it. After 5 years I'm approximately mediocre at best. Took me a very long time to come to terms with being not at all talented at something. But it's been a wonderful journey of meeting people, humility and learning how to learn something totally new again. I doubt I'll ever be great, but I have no plans on stopping (global pandemic aside).
potatochup··on Discontinue Sourcetrail
Hmm. Hard to monetize I guess. Does anyone know of any code analysis software that looks at dataflow? Specifically for embedded contexts, a lot of code is written in a very non-functional style, where the output of one module is a series of global variables. That variable is then picked up by other modules as an input, and used to calculate that modules output, etc etc. I'd pay big $$$ for any software that would tell me "modifying variable X will affect downstream Y which will affect Z"
potatochup··on Footage of Australian Raven Attacking a Wing Drone in Canberra, Australia
Yeah, I think noise pollution is the most egregious aspect. In my neighbourhood, there is one main thoroughfare that you can drive 50kph/35mph on, and all the remaining roads are intentionally narrow and uncontrolled, so traffic is naturally limited to around ~30kph/20mph. If you move into a place on the main road, you are implicitly accepting the noise that comes with faster moving traffic. Otherwise you have a reasonable expectation of quiet, especially because at 30kph road noise is quite low, so quiet vehicles like EVs/hybrids are almost silent. Drones that make noise everywhere will break those expectations.
potatochup··on Justin Trudeau Vows Two-Year Ban on Foreign Home Buyers in Canada Election
I don't know if the "most people want a single family home" thing is entirely accurate. Hobsonville Point is mostly terraced housing, duplexes and apartments and prices there are well above the surrounding mostly-single-family-home suburbs. I realize there are other reasons for high prices, like local schools, age of housing, etc, but I think it shows that the demand for medium density is there. It's just no one has been building any medium density housing in the last 50 years, and until the recent changes to the Auckland Unitary Plan, it was very difficult to re-develop existing single-family lots.
potatochup··on Justin Trudeau Vows Two-Year Ban on Foreign Home Buyers in Canada Election
It didn't have measurable impact in NZ. NZ has many other, bigger, problems w.r.t. housing affordability though. I think it's a policy worth doing even if it doesn't actually reduce house prices because it removes an obvious scapegoat, and shifts the discussion to other, hopefully more effective solutions.
potatochup··on Australia’s new mass surveillance mandate
The USA is hard to gauge because its much bigger and more diverse. Housing affordability, access to nature etc all vary heaps by region. Culturally Australia has the most in common with the USA, although the general populace in the USA seem less apathetic about politics.

The Netherlands has rubbish weather for 2/3rds of the year and not a single mountain/hill/beach worth mentioning, but is extremely liveable. Income/CoL ratios tend to be higher than the Bay Area for a given quality-of-life, although you might be earning less in absolute terms. Cities and Towns are very well designed, even Amsterdam (outside the center) feels like a cosy village but you still get access to big-city things. Probably more socialist than NZ, with things like this happening https://nltimes.nl/2021/09/02/dutch-cities-want-ban-property...

potatochup··on Australia’s new mass surveillance mandate
It's a little different when you consider that the taxpayer funds everyones healthcare. Most people taking the side of requiring bicycle helmet laws are probably thinking "I don't want my taxes going towards looking after some numpty who was too stubborn to wear a helmet and crashed".

People arguing this position are assuming that requiring helmets will decrease the risk of injury, which I am well aware there is conflicting evidence around.

potatochup··on Australia’s new mass surveillance mandate
My hot take: (lived in NZ, Aus, NL and USA)

Both places are are similar in that:

  - They have good access to nature/beaches
  - Property prices are nuts, most people see property as their primary investment vehicle. This is a big cause of wealth inequality
  - general populace has a relatively easygoing disposition
Aus has better weather (assuming you like warm and sunny), higher salaries and is somewhat less far from the world if you want to travel

NZ has a better human rights record, much cleaner grid, and doesn't seem to have the authoritarian bent that Aus does. It's like the slightly hippie/socialist/woke little sibling.

potatochup··on Sea snakes are washing up on New Zealand’s shores
In case anyone is interested, Katipo bites are extremely uncommon. 2 deaths ever and 1 bite recorded from 1951 to 2012.

> Hornabrook, in his 1951 review of the early literature on katipo spider bites, found a total of 22 cases, including 2 deaths. Since 1951, there has been only one reported case of a katipo bite, involving severe myocarditis in a 22-year-old man, despite katipo spiders inhabiting coastal beach dunes around New Zealand.

[1] https://sciblogs.co.nz/griffins-gadgets/2012/03/09/bitten-by...

potatochup··on The Yoghurt Mafia
I've used this stuff https://www.npselection.com/products/yogurt-starter-cultures...

and also their Bulgarian style. Also available on amazon I believe. Balkan stuff is very neutral, rich. Bulgarian has a bit more tartness to it.

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