skysight-inc/HackerNews huggingface dataset:
The minute that you have customers paying any amount at all, you set yourself up for possible competition undercutting you on price. The truth is, whether you have a great or poor relationship with your customers, unless you have legal protections you have very little control over whether competitors will eventually enter your market or not. So you need to always operate as if there is competition breathing down your neck.

Pricing strategy has little to do with customer happiness in aggregate. Every price will make some customers happy, and other customers feel gouged, because different customers extract different amounts of value from your product. The key to protect yourself from competition isn't to spend time worrying about how pricing affects your aggregate customer volume, but about whether your customers are happy. Maybe some customers are unhappy because they feel gouged. Maybe you could make them happier by reducing prices. But maybe, you're better off letting them go, if they represent a small minority of your users, and instead focus on what a majority of your users might appreciate more - better service, relevant features, etc. which make them happier.
Increase it how? That's like asking if faster ethernet is going to increase thunderbolt speed. No, it's a totally different way of sending data over wires.

A theoretical Thunderbolt 4 that's twice as fast could easily be fed with a PCIe 3 connection. It could even be fed with a PCIe 2 connection!
It makes sense in terms of feeling out the market as well. If this version of the service takes off it validates the decision to proceed with a more complex/scalable version and it gives them more customer feedback. Standard MVP best practices.

The downside is that a lot of their products lack polish which sucks. On the flip side even when they are launched with minimal features, they do tend to be reliable, durable and secure, which is important when it comes to data related services.
I believe we have very different personal experiences with this sort of thing. I'm jealous of you! I am constantly surprised at how many people are very much not serious about a subject -- even when they think they are -- because they are more interested in winning than learning.

I am, of course, guilty of this all the time. The nuanced difference is when the individual no longer cares about correcting that vice (I know because, well, they've said so).

You're right, I am exaggerating the danger. I will assert, however, that the danger is nonzero and deserves more than dismissal. Mostly I urge thought about how the weight of these sorts of jokes can subtly affect the perceptions of people rather than insisting on the triviality of a single event.
I'm John Allspaw, Ask Me Anything about Incident Analysis/postmortems
> We can't conclude "O is true, therefore H"

Definitely, but if O had been false we might have learned something. More interestingly though:

> another thing to consider is fallout incorporated into tobacco and then smoked

That's an interesting thought, I'd never considered that.

My expectation for beta and gamma emitters is that they would be unlikely to cause cancer specifically in the lungs, because lungs aren't very dense and would have a pretty low interaction cross section for such penetrating radiation. For comparison, I-131 -- a beta emitter common in fallout -- is a significant risk for thyroid cancer only because iodine is biologically concentrated in the thyroid.

However, if there were significant fallout of alpha emitters, which were deposited in tobacco, this could conceivably deliver a significant localized dose to the lungs. Alpha emitters are more or less only dangerous internally, but smoke particulates that become lodged in the lungs could do the job. There appears to be a fair amount of literature on this -- Naturally occurring Po-210 is apparently still considered a danger today [1], and has been known to the cigarette companies since the 60s [2]. Some apparently comes from decay of natural U (via a few intermediaries) in phosphate fertilizer.

A figure in one paper I was able to find [3] suggests up to 100 pCi/kg Pu-239 and Pu-240 (both alpha) in leaves and grass in Finland circa 1963, declining to less than 5 pCi by 1967. The modern Po-210 alpha activity in tobacco appears to be much higher than either of these values (perhaps several hundred pCi/kg in dry tobacco, if not more), but I couldn't find good data on variation over time. For Pb-210 (beta) there is more data, but seems to be a lot of scatter and not so much of a clear trend through time [4].

[1] https://scienceblog.cancerresearchuk.org/2008/08/29/radioact...
[2] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2509609/
[3] https://www.osti.gov/biblio/5271041
[4] https://doi.org/10.1016/j.jenvrad.2011.01.005
Twitter. Stripe.
I remember reading this. I also remember reading a compelling argument that the conclusions drawn by those studies were wrong, and that the actual cause for the difference in walking speed is age. People in big cities tend to be younger (due to urban migration, and whatnot), and with lower age comes faster walking speed.

I can't remember where that argument was made, and I never fact checked it, so take it with a grain of salt. However, it seems much more convincing than the 'pace of life' argument.
Snowflake Archeology: Early computer animation (1960s) for the DEC PDP-1
I'm aware, but I'm more talking about theoretical computer science than practical software and systems engineering. Methods for formal verification and design of software are of course interesting, but quite different from formal verification of theory. What I wanted to point out is that even a very formal field (advanced, pure math) is still plagued by very mundane and very human logical errors. Further, these errors are not easily spotted by machine, at least not with current technology.

Regarding Dijkstra, I personally consider TCS to be a branch of applied math or maybe applied logic. What most programmers do in practice, however, is more akin to engineering (or I'd say, is a type of engineering).
Lol no.

Startups pay a lot. So do smaller companies located in SF. You have to: otherwise you lose employees fast.
Exactly, this probably isn't targeting you. A few mb of data? Host an instance? Use sqlite? Atlas can run 3-5k/month as the minimum. This is going to be 10x cheaper (which amazon seems to try and shoot for).
Also makes you wonder about the mistakes we're making when things get truly ancient, but cannot be proved to be wrong. This vase is only 4,000-5,000 years old and the mistake was ostensibly very obvious. By contrast we have made a variety of statements, generally taken as true fact, about prehistoric humans tens of thousands of years past.

Funny to think that one day we'll be that 4,000-5,000 year old ancient civilization. Modern 'archaeologists' will be quite lucky in this regard. Digital records don't leave much room for ambiguity, and there are already countless organizations working on preservation as a purpose in and of itself, and other organizations working on data preservation for less idealistic reasons.

There will probably 4 tiers of history. Prehistory, glyphic history, written history, and finally digitized history. Well that's making the probably bad assumption that there's no tech beyond digital that we cannot even yet conceive of. Even to the smartest man of the pre-electric era, the notion of digital data storage and transmission would just be literally inconceivable.
This is the reason I created the startup checklist (https://github.com/leonar15/startup-checklist)... so founders could know step by step what needs to be done to set up their companies.

Since you'll eventually have to understand all the legal aspects of operating a business, you might as well start off that way.
I didn't realize there was that much of a backstory behind nano's name! Thanks for sharing!
There are far more interesting cities in the US and the world than MTV. Berlin is one of them. In the US I like Austin and San Diego.
Some people here try to find the bug. It's a gotcha culture in action.
Oops, you're right -- the license change was more recent than that. I don't know why I was thinking that it was two years ago.
I also always found it amusing that people thought API design was not creative and protectable.

Like, “how many ways can you do a date api”, and then turn around to look at the original java Date api, the Calendar api, JodaTime and JSR310.
Pretty impressive.

From the Figure in on page 2 https://arxiv.org/pdf/1707.01836.pdf#page=2

> Figure 2. Deep Neural Network architecture. Our deep neural network consisted of 33 convolutional layers followed by a linear output layer into a softmax. The network accepts raw ECG data as input (sampled at 200 Hz, or 200 samples per second), and outputs a prediction of one out of 12 possible rhythm classes every 256 input samples. The first and last layer are special-cased due to the pre-activation residual blocks.

^^^ 33 convolutional layers --- wow that's pretty deep for 1-D input.
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I think it would be interesting to see not just the average but also the distribution of walking speeds. I posit the effect might just be “number of people walking to/from work or arrival time sensitive activity.”, with “average age” and “adoption of mass transit” as significant factors.

(Mass transit because you’re more likely to see commuters! Outside big cities you will measure fewer people walking to work, because they drove).

So, strongly correlated with economic activity and cultural factors around timeliness, but no deep psychological explanation required.

I walk fast in the city when I’m going to/from work or trying to get somewhere on my break.

I don’t walk as fast on the weekends, and tourists in the city certainly seem to be in no particular hurry (at least, it seems that way when stuck behind them clogging up the footpath).
Fleshlight
I think Boston is ahead culturally, but I am not sure about affordability of living close to downtown.

Not sure about cachet... SF might have more of it in sense of having more "here a famous 60's musician shot acid" landmarks and movie references, but as far as things to do today that don't involve networking with scooter-riding techbros (stepping over the heroin-shooting homeless optional) even Austin so far seems to be ahead. And given how bad traffic on 101 is, I can drive to either Dallas or Houston, which have pretty good museums in not that much more time it takes to get to SF from the corner of San Jose where I lived.

Granted, my definition of culture isn't everyone's cup of tea either. But what's wrong with winter?! After a couple of years I found it very irritating that when I wake up and look in the window, I have no idea if it is June or January.
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And in contrast to these startups with their "success" AWS is printing cash for amazon which releases surprisingly few "metrics" beyond $ in and $ out.
Each of these cities has their own niche in nightlife and culture offerings. It's quite possible you didn't explore them in many of these aspects. They have more differences than just scale.
I can't think of any light rail systems that beat a reasonably fit cyclist. This is true even when you compare biking to SF's Muni Subway systems.

People just take light rail since few want to bike places, let alone at "workout pace"
It demotivates me because I never win any.
QA have moved into data scrapping and cleaning for big data experts.

We don't have QA because customer service marketing and engineering do all QA. Correcting each other's mistake through a discourse.

Most of that design is created by UX/UK expert then fronted guys follow exactly that.

Why waste additional money on QA.
It would seem your idea of the day to day life in China is one entirely written by US news networks - it’s much the same idea that the average American has to dodge bullets from active shooters once a month, which is quite a common idea outside the US.
Thanks, just a random grey beard guy with too much free time between builds. :)
This is one of the most patronizing and boneheaded comments I've read here. I strongly suggest you read this if you want to get a more complete picture: https://uapress.arizona.edu/book/revolt
Yes, you can get fat on rice, but it's much easier to get fat on sugar. Sugar messes with your body's signaling causing you to consume more than if you were just eating carbs. If we outlawed sugar today, I would place all my savings on the obesity rate declining.
It's not just about "neighbours harboring disease". Pigeons are the B-17 of animal kingdom, they carpet bomb everything with their excrement as they fly. You start feeding them, and suddenly the entire block has to clean their balconies and cars every day.
The study contains no comparison with competing algorithms, so I don't see what supports the claim that

If confirmed in clinical settings, this approach could reduce the rate of misdiagnosed computerized ECG interpretations and improve the efficiency of expert human ECG interpretation by accurately triaging or prioritizing the most urgent conditions.
That depend on where you are. This started about how it is in Europe, where it is common to first fill your tank, then go inside to pay if you want to pay with cash
My guess is the random that helps. Noisey hill climbing is a technique (simulated annealing) to address local optima.
Airbnb, Stripe, Twitter, Tesla, Docker...I can go on and on. Please go on with your narrative of poor start ups and keep on validating your life choices.
When I was fooling around with JS, I made Conway's Game of Life.

http://n5dux.com/life/
because they run a good document-database-as-a-service

Spoiler: they do not
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Airbnb, Stripe, Twitter, Tesla, Docker.
You != The rest of the world.
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Medical intervention based on “eat less, exercise more” has a success rate around 2%

So yes, it really
is that hard.

And mostly because it isn’t as simple as the calories in/calories out model. Lots of things contribute in various way. And if anything dieting and exercise can actually make things worse if done wrong. In the “biggest loser” approach, f.ex, all contestants, ended up with a lower metabolic rate, and of course all but one ended up gaining more weight than before the show.
>relationship with weight gain

Yes. An Inverse one. There is no getting around the fact that a 16oz coke has 300 calories, and diet has zero. Believing those tailored studies apply to the obesity use case is being ignorant, and reading the abstract, not the body of the study.

Sweeteners can confuse you into being more hungry vs no sweeteners. That does not mean sweeteners making you a tiny bit more hungry, and you eating an extra bite of food to reflect that, is worse than the 300 calories from the coke. Also, if someone is not overweight but actually obese, this does not effect them at all.

overweight people - as in no stomach hanging over the belt, but no visible abs stop eating when they stop being hungry, but don't burn all those calories. Aspartame will be worse for them vs having no sweetener OR sugar. But if you have to have something sweet, of course the sweetener is better - it's 300 calories less, and tens of extra calories from the extra bite of food.

Obese people - sweeteners don't effect them in any way at all vs no sweetener. They don't just not do enough physical activity to burn off the calories. They also keep eating once they're full. And then they eat some more. Them feeling hungry for an extra 5 minutes does nothing to change the time they stop eating - which is 30 minutes after they stopped being hungry. Shit be tastin' goo boo.

Now, I eat complete crap. I eat pizza before bed, and always have desert. I'm 40, 5'11 at 170lb, 6% bodyfat. I've been this way all my life. Food tastes good, and I like to have lots of muscles, so I use up all the calories.

So to summarize, you as well as the OP with his talk of exercise, are completely wrong.
Does anyone know if bubble images are “true color”?
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In the article, the image is stated to be 665 megapixels and the width of the galaxy is given as 60,000 light years.

Under the simplifying assumptions that the image is square and encompasses the exact galaxy width, that's about 22 trillion km (or ~11,000 VY Canis Majoris) per pixel. So I guess we're not seeing individual stars (edit: in the target galaxy) - or my math is also off somewhere.
holy shit, this is literally hot off the presses as of 2 days ago. Thanks for the heads-up!!

https://medium.com/impossible-foods/how-we-know-youll-like-v...
Hi. I am one of the Linuxbrew maintainers. I understand that this may seem contradictory.

Linuxbrew has existed since a few years now (https://github.com/Linuxbrew). We just merged the linux part of the code into the main brew repo.

https://github.com/Linuxbrew/homebrew-core, where the formula reside, is still a separate project. But we all work closely together. The 4-5 linuxbrew maintainers joined the homebrew team and we are now a single team.

This does not add too much work for the initial homebrew maintainers.

The scope has grown a little bit, but nothing to be worried about. And the windows part is "just" Linux running on Windows, so actually there is not much difference there. That part is not so well tested though, because we do not have so many users on Windows, but we hope to be able to improve this part if needed.

On the other side some decisions have been made lately: less from source builds, less options ... this will reduce our workload too.
Why would people go fast in dense cities, then?

"Interestingly, Wiseman clocked some of the quickest feet in Singapore, China, and Brazil — perhaps a reflection of these rising economies."
Musk is technically very clever (have you seen SpaceX rockets landing in tandem?)s o it's likely he has something that comes close to what he's saying.

If so, I expect the real problem with this system will be safety. Sure you might be able to squirt a high density gas or liquid at high enough speed to move this car but then what is that high speed fluid going to hit? Probably it would tear up roads, cut down trees, decapitate passersby and create all kinds of mayhem.

Stick handling this through a government approvals process looks like a non-starter.
Maybe it is that when are isolated long enough, you cease to know what people normally do (not having occasion to observe it) and pop-entertainment reality takes over in your mind.

Isolation does that. And majority of population was never heavy clubbers or keg drinkers. That was always only minority of people despite being shown in movies as norm.
Or you could not follow hollywood movies and be grateful to have your wife back and use your money to move on with life safely and make the most of it.

Added bonus - you won't have to deal with a cowboy accidentally killing someone's son who didn't do it and then having to deal with annoying parents with a dead son suing you.
A number of under the hood elements are being reused. Telepathy still drives the messaging system, and ofono is being used for the modem. The GTK2 UI from Maemo was dead in the water even before the shift to QT when Meego was released, so it makes sense that they would base a new GTK UI on a modern Gnome. A QT UI is available in the form of SailfishOS.

Regardless, the "interesting" work on the Librem 5 sits with none of these levels, but further down the stack, with mainlining the kernel work needed for the device. After that, the userland work provided by Gnome/Plasma Mobile/Ubuntu Touch/Mer all become interchangeable.
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Atlas is $0.03 per server hour, Amazon starts at $0.277

Do I have that right?
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yes, jump to 11 (nearly approaching the 12)
I don’t remember the study but HFCS is no more harmful than regular sugar. It’s just that HFCS causes mitochondrial disturbances in your liver when overfeeding. I’d suspect it would be the same for sugar. Banning and restriction is not the solution, it’s education. Especially when one is poor, one is not educated about the impact food choices have on their health. That’s why there is a high degree of correlation between being poor and obesity.
Unsolicited code review:

system("multimarkdown -s ../#{part}/story.md | sed -E 's/_([^_]+)_/<em>\\1<\\/em>/g' | sed -E 's/<h1 .+<\\/h1>//g' | sed 's/<p>%<\\/p>/<p class=\"section-break\">%<\\/p>/g' > output-#{part}.html")

IMO:

s_<p>%</p>_<p class="section-break">%</p>_g

is easier to read than:

s/<p>%<\\/p>/<p class=\"section-break\">%<\\/p>/g

Any reason to keep the %-sign?

Those sed commands could probably be reduced to one invocation of sed(1) instead of three.

system("cat #{htmls} | #{wkhtmltopdf_cmd} --footer-html footer.html - body.pdf")

No need to use cat.
> I suppose this could be driven partially by the fact that I live in a tropical city (Hong Kong).

Most likely it is. I live in Poland, and there I can walk very fast without visibly sweating, except on the hottest days of the summer, and during winter iff I wear too thick clothes.

Been to HK/Shenzhen in early winter, and what you have there then seems equivalent to our summers :).
College is education, not training. Crucial aspects of working in the real world are learned on the job, things that how to operate in an office environment, how to collaborate, how to write, present and justify your ideas and render them into applied things. These are not things taught in university.
The quote tickles me because in earlier days MongoDB's choice of defaults gave it a reputation as a poor imitation of a reliable document store.
> 2-sided dice

I wasn't sure if this was an allusion to a coin flip.

Turns out there are actual 2 sided die though.

https://boingboing.net/2015/10/01/how-do-you-design-2-sided-...
How I screwed up a potential interview at Google ¯\_(ツ)_/¯
I walk faster in the city because there are more people who are walking faster and if I walk slower, they will walk around me, which is more annoying in the city due to the closeness by which people walk. If people kept a respectable distance behind me regardless of my pace, and didn’t try to push past me, I probably wouldn’t walk faster in the city.
People downvoting one of the guys who worked on DynamoDB at Amazon, somehow thinking they know better. HN in a nutshell.
My gaps are usually 6-12 months long. I have significant in experience in a hot technology, so I’m currently not that worried about getting new contracts. I find them from internet ads only. As for getting referrals via contacts, I get the feeling that my developer colleagues don't like me very much - I don't share the typical philosophies of the field (huge overcomplication, willy-nilly adding technologies to the stack). Managers quite like me I think - they're happy to see a developer who says the job can be done without changing the stack every quarter. However, they tend to stay in a single company for a long time, so are a poor source of referrals.