skysight-inc/HackerNews huggingface dataset:
From https://jeffe.cs.illinois.edu/teaching/algorithms/hwex.html#...

>Please do not ask me for solutions. With very rare exceptions, I will say no, even if you are an instructor. I recognize that my stance limits the utility of these materials, especially for self-learners, but I'm trying to optimize the learning experience of my own students at Illinois. The point of homework is not to solve that particular homework problem, but to practice solving a type of problem and get honest feedback on your progress. I've found that when solutions are available, my own students are much more likely to rely on them, rather than trying to figure out the problems themselves, which means they get both less practice and less honest feedback, which means they do worse on exams and in the course overall.

Interesting. I was asked multiple times for solutions to my self-pub ebooks that I relented. I didn't add them initially as I wanted readers to solve by themselves or ask for help if needed (and I did get a few mails, saw one of them asked on stackoverflow as well).

See also https://github.com/tayllan/awesome-algorithms for more learning resources, practice problems, visualizations, etc.
Atlassian software hit by Hezbollah-backed hackers
In time or in space? Even 'at the same time' has a pretty strange meaning when looked at at these distances.
Yes, my first thought was &nbsp;
People are delighted by the more accurate ads!
So you think on Reddit it might be possible that different groups try to manipulate the public oppinion by utilizing bots to upvote content? Even if that would be the case how is it worse in comparison to Facebook, where a single entity is manipulating the public oppinion?
Why PWA Is the Future
For the small number of people that are truly beyond rehabilitation (say they have some compulsion to keep murdering people because of some problem with their brain), what do you propose if not some sort of confinement (i.e. prison)?
Integrating SysIntegrity to Check Whether Devices Running Your App Are Secure
Where to solicit feedback on a system design?
I've seen lots of recent posts sharing resources for system design interviews. But is there a good forum for getting feedback on a practice (read: unfinished) design?

Essentially, I spent thirty minutes fleshing out the design for a practice problem ("how to build a search engine") to prepare for an engineering interview and I'm looking for feedback on it...and ideally other problems that I haven't started yet. Any suggestions on where to go? Show HN seems to be more for finished products or prototypes while stack exchange is explicitly focused on questions with definite answers. And I'm not really interested in paid for interview coaching.

Is this a pain point that I'm experiencing alone or are there other out there like me?

Links to the Recent Posts I mentioned:

- https://news.ycombinator.com/item?id=25647025&utm_term=comment

- https://news.ycombinator.com/item?id=25987664&utm_source=hackernewsletter&utm_medium=email&utm_term=books
Google Sheets Budget Templates for Everyday Use
If the semantics of margin really are a problem as the article suggests why not use a css grid with a gap? Surely creating a JS component just to add a small gap is a more egregious semantic violation? I would argue that the icon is a visual only element and so the element should render correctly with no icon and the icon should add the necessary space to separate itself from the text.
Solar system sized intergalactic spacecraft.
s/4chan/slashdot/
I've seen this hypothesized and studied before as how homosexuality exists in the face of evolution. That is, some combination of (a) without children of their own homosexuals are better able to help raise their other family members, (b) homosexuality is strongly correlated to higher fecundity of female family members, and (c) homosexuality is just a fluke in sexuality in general, similar to how other complex biological processes often have birth reflects related to some failure in each step of those processes.

While the "fertile siblings" theory and evidence make a lot of sense to me, I also find it somewhat depressing, as if being gay is just kind of a fluke byproduct to help your other family members.
Anti-trust regulation is basically dead in the US at this point. And you can bet your top dollar that Zuck/Cook/Bezos/Pichai are only going to continue trying to cripple it more. So I don't think such lawsuits are a credible threat or deterrent. Just some minimal ongoing cost of doing business.
The details of the competition aren't available yet (what's the scoring criteria?) but one would presume that planting trees is a viable candidate.
DASUNG makes far and away the best E Ink monitor at present:

https://dasung-tech.myshopify.com/
Fees on other chains like Binance Smart Chain(EVM compatible), Terra and others are quite low now(around 0.2 - 1 USD per transaction). PancakeSwap is a Uniswap alternative on BSC and TerraSwap is a Uni alternative on the Terra blockchain.
This is some shit! wow
I had the opposite experience, though I agree that YMMV. I return to the chapter on Dynamic Programming every time I need to prepare for an interview.
Don’t worry, the market will take care of it?
Respectfully - no need to have a study on Tesla to come to conclusions you've made. Just critical thinking and some math to do P/E and P/L.

> the stock price is a touch detached from reality and will fall the moment people pop out of the Elon Musk dream state.

Well said. It's typical Ponzi scheme - it grows while the master keeps showing new focuses and attract new followers.

Wake up will be painful though.
So, do its main revenue generators (i.e., users) get a share of the profits?
If the image is not displayed and the stack can handle a lot of tcp connections, perhaps a reverse http slowloris attack : you send the image response headers as slow as you can to keep the tcp connection open but to make the receiver waste its time.

If it's a speed test, they will eventually use another image.
I've noticed Rust frameworks are invading the top ranks in the last couple rounds. Of course there was lots of .. controversy over unsafe in actix.

I wonder if the current actix-core is the rewritten/safer one once a bunch of Rusters wrestled/annoyed the original author into handing it over. If so, it's still near the top.
Dynamic Tag Manager: Seamless Ad Conversion Tracking-Huawei Developers
> On chain contracts have lots of use cases in the meantime.

Thanks for responding. Can you suggest a starting point for learning more about what these use cases are, because I'm still struggling to understand what those would be. When I try searching for things like "uses for smart contracts" I'm pointed to things like this page, https://corporatefinanceinstitute.com/resources/knowledge/de..., which honestly is a bunch of pie-in-the-sky bullshit that is not actually technically feasible at present.
This article reminds me of the book “Dreyer's English: An Utterly Correct Guide to Clarity and Style”, one of the best books I’ve read the last couple of years.

English is my second language.
So by your logic, we need to simply increase the number of transactions per minute and that will lower the cost of energy per transaction in kind.
Avoid Errors Caused by an Undefined Variable in a Quick App?-Huawei Developers
Maybe a few years ago this was true. Now it is certainty not. Tesla cash on hand and free cashflow numbers mean they can be cashflow positive and continue to grow.

I didn't invest in Tesla years ago, because of mythology, but because they had the right plan, in the right markets with the right CEO to execute on that plan. That is exactly what happened. There are simply not many markets so large and few companies that ever have shown consistent growth in those markets.

All the claims that people made to disagree with the Bull case simply didn't hold up to actual hold up under investigation.

Analysing their growth and operational leverage their investment were generating indicated that most analysts were totally missing the story, that a lot of the negatives would flip and that the stock would reflect that reality eventually.

I however am surprised how fast and heavy that flip happened.

However Tesla strategy continues to be correct, they are only have the freedom/cash to get into some next generation initiatives and I see a clear path to continued growth for years to come. The team around the CEO is only improving, Tesla is building expertise in literally everything, mining, chemical refining, material science, high speed manufacturing, chip design, various battery technologies like silicon anodes, aluminium die casting, deep learning and so on.

I sold some shares to cover my position, but the bull case is still much better then many people give Tesla credit for. The stock might flatten out again for a while as it did before but there is a lot of upside here. Maybe Tesla will fail to execute, that is true, but that doesn't make it 'desperately risky'. Any company, specially any growth company, might fail to execute. The question is how likely is that and how large is the upside if they do execute.
Anticipate user behavior to implement refined operations.-Huawei Developers
The official rules state that each reflected bottle is its OWN "counted bottle".

I was otherwise rather confused by the "count each bottle only once": there are a few in marquees and such where it's hard to tell if it's a repeat or a new bottle, frankly.
That's about 10% of Pinterest valuation
What's jooby doing with 4 gigs? a massive arena allocation to avoid gc?
It's intuitive if you do it visually. Connect each person to every other person with a piece of string. 10 people each have about 10 connections. 50 people each have about 50 connections. 1000 people each have about 1000 connections.

When you're handing out 250 pieces of string it's easy to tell that something with a 1/365 chance per string is likely.

For this situation, if you put 50 thousand people in a room then they each have 50 thousand ways to pair up, so you're looking at over a billion opportunities to have a one-in-a-billion coincidence. (50k * 50k / 2 = 1.25 billion)
I thought this was a parody post.
Wow this is how they grow.

but you can find a better alternative here

https://geekever.com/best-free-online-movie-streaming-sites-...
Interview: Arti Lalwani, Practice Lead for ISO Services, A-LIGN
I took a look at the apk and noticed this in the manifest.
"com.blockeq.stellarwallet.WalletApplication"
Stellar Lumens is a fairly popular crypto currency.
I wonder if the app has built in support for crypto transactions. If not, maybe it's malware to mine crypto coins.

https://i.imgur.com/o8DllVd.png
> There's everything from logging and metrics to databases to pipelines and task managers to physical hardware and networking tools.

Sure, but nobody in marketing is bothering you to use Javascript-framework-du-jour on the backend so they can put it on their sales slide.

You can write the backend in totally boring technology and no one will ever know or care.
I’m guessing this is ecc memory so likely correcting for bad data.
It does indeed, with the dot on خ being the central dot (repeated once per rotation).
Have you thought about hosting it on https://writefreely.org/?
Music VAE – Understanding of Google’s work for interpolating long music sequence
I would buy
I've found the model-minority myth to be toxic in so many ways. Here's one thing I can attest to personally: we're not all East Asians. I grew up in section-8 housing, then moved next to a meth house raided by the FBI, attended vocational schools in the inner city where I had friends killed and imprisoned, personally had a gun pointed at me, twice, slept on a sofa my entire childhood, in a dysfunctional bankrupt abusive family. I'm also a first-generation immigrant and political refugee, with my dad having spent half a decade in a hard-labor camp, my mom homeless and nurturing my brother with only rice water, who has since died of a rare digestive cancer, and our assets decapitalized by communists multiple times.

Eventually, I ended up at Google and for all the talks of diversity, inclusion and "unconscious bias", people from my background are left out of the conversation. I've found the worst perpetrators of the Unconscious Bias to be Asian-Americans. It's hard believing we can be stewards of "we are not our users" when we can barely understand we are not our colleagues, who aren't all from privileged middle class backgrounds who had their parents pay for SAT prep classes. It's really ironic because these people tend to be the loudest about calling out privilege.

Last month, I left behind the high-flying salaries and moved to Japan. The quality of life here is so much higher, even though my income is 1/4th as much. Practically everyone wears a mask and there's just a higher level of regard for society at large. Basket-of-goods analysis don't account for being triggered by people refusing to wear masks in New York. Mind you, I've spent 90% of my life in the states and have considered myself American, first and foremost. 2020 really made me reassess my identity as an Asian-American and the place of Asian-Americans in America. Without going further into the hypocrisy of politics, Asians are just a politically inconvenient truth.

What is happening in the Bay Area is happening in New York, where I lived, too. 90% of my friends have experienced harassment passively, aggressively, and in a few instances violently. There was the 89 year old woman set on fire [1]. Then there was the woman who had acid thrown on her [2]. NYC governance threw together a hate-crime Task force, but I'm cynical it has accomplished anything other than trying to fundraise. Bill De Blasio has literally turned his back on Asian business owners after showing up for the photo op [3]. People barely realize the poverty rate of Asian-Americans in New York City hover around 25% [4].

[1] https://abc7ny.com/woman-set-on-fire-elderly-attack-89-year-...

[2] https://nypost.com/2020/04/06/brooklyn-woman-burned-outside-...

[3] https://www.independent.co.uk/news/world/americas/bill-de-bl...

[4] https://www1.nyc.gov/site/opportunity/news/004/some-good-new...
ever since facebook acquired, then liberated Parse [0], it kind of fulfills this role.

You can roll any subsystem of it and use off-the-shelf providers for other subsystems (we pay a service to host the server, but we run our own dashboard server to poke into it, others run their own database and use just the API server, etc), but I suppose it's easiest if you run the whole parse backend as a whole.

[0]: https://parseplatform.org/
Yep I recently started ordering CNC machined parts from SunPE in China:
http://sunpe.com/

They’re great! They’re quick to respond via email, prices are great, and their turn times are low. Parts look great too.

Any chance you feel like sharing your list? Or some top names you like? I bet I’d get a lot out of it. Thanks!
P/E has been so consistently been horrible indicators for the stock market that it is actually mind blowing that people still use them. Most analyst that relies on them has among the worst rating on Wallstreet.

The same logic was applied to amazon for like 10 years.

I'm sure all those people who invested in amazon regret it now that we had that massive crash and amazon has finally been reviled as a Ponzi scheme.

P.S: Does anybody else hate that the 'Ponzi Scheme' was once a specific thing and now everybody uses it in every situation where people could lose money. Please learn what 'Ponzi scheme' actually means.
If you are arguing defmacro vs. syntax-rules you are indeed correct. The lowest common denominator of the scheme macro world is indeed a pattern substitution one (with hygiene). No procedure application at expansion time allowed.

However, all schemes include a lower level macro system that allows you to break hygiene when you want to, most of them by asking explicitly (explicit renaming macro systems being an exception).

r6rs, a standard that was disliked by some, standardises a lower level macro system called syntax-case that superficially looks the same as syntax-rules but gives you all the power of unhygienic macro systems (in guile for example, the old unhygienic defmacro is implemented using syntax-case. A very trivial thing to do, I might add).

So, to re-hash: syntax-case macros are procedural. They allow for the full power of scheme at expansion time, and allows you to introduce bindings unhygienically using datum->syntax.
Your understanding is incorrect.

It depends on what contaminant you are measuring, but the testing frequency can vary from "every several years" to "continuously monitored and sets off a SCADA alarm if it exceeds a given threshold." The biggies--IIRC, turbidity, pH, and dosages of coagulant and treatment chemicals--are logged every 15 minutes, with more tests happening on hourly 6-hourly, and daily frequencies, followed by yet more contaminants happening largely on monthly or quarterly assessment bases. The issue in question would have shown up in a pH measurement, so there's no reason it shouldn't have been caught within minutes.
It does, but depending on the sauce (or no sauce) you might not taste the difference.
Or also the husband and wife team behind Noise Engineering: https://www.autodesk.com/products/fusion-360/blog/noise-engi...

Kindof an interesting pattern here.
I tried to get UART access in to my kobo ereader. I was starting to get some boot text coming over and then somehow I managed to kill it. Thing was complaining about some file being missing while booting. Wouldn't turn on with my USB uart thing removed as well. Kinda sucks but oh well.
Syrus here, from Wasmer.

Thanks for the kind words!

There are some nice opportunities to bring LLVM compilation times closer to the optimal ones in multithreaded environments.
We are currently working towards that and hope to get something tangible in next releases... stay tuned!
He commented on this in the "What about `gap`?" info box.

I want to add that gap does not work well when you want different gaps between different items; then you have to whip out margins again.
The conversations are all open, and anyone can mine them free of charge, as far as I can tell.
> I don't know where this idea that Microsoft's online services all use .NET

My only knowledge of this happening is when Microsoft took over Hotmail and replaced FreeBSD with Windows. I assumed like the other comments that it would be political suicide to continue to support a non-Microsoft stack
How about some sort of internet blocker where you can just nix the users from your life who bring up whatever random negative crud they have read on Vox every discussion?

Flag on Jevons paradox, or Bitcoin, or random environmental issue they just assume is global warming related, or the thing they don't like so no one should have it.

It's a bit meta I guess, but it should work, get productive discussions going and get at least part of the population supporting real change.

Worst case it'd solve the biggest global warming detriment, annoying people.
I saw their promoted tweet about this contest the night before and primed a tweet for when it aired live. I had a number just pop into my head: 206. Number of bones in the human body, felt good enough for me.

I just checked, and, to my best ability to determine, I believe I was the first legit 206 guess.

When I went and did a basic manual count, I came in closer to 216 or 220 or so, but it's really hard to tell, and when I did a painstaking frame by frame count, I came in closer to 221, but there are a few I'm _really_ confused about in terms of being a repeat or not.

And counting the bottles coming out of the trunk was hell... I used the promo tweet where Cena is counting out loud and up to 36 as a shorthand for one of my guesses. In my frame by frame analysis, I counted 45 but 3 are flying out when it first opens up, and then 42 more join in the next cut.

Similarly, on the final look back after the end marquee, there are 2 on the side that I don't know if they're recounts or not, and then the gearshift and flag itself are... two, which put me closer to 224/225. There's one other scene where I wasn't sure about as many as 5 possible dupes, though.

The "don't count the same bottle twice" gimmick is infuriating because it's really difficult to ascertain what's bedrock in the scene. They use the roller coaster example as 3 that persist throughout the entire commercial, so all bets are off.

Here's my notes if you want to insanely check my work:

Car: 4 wheels
License plate: 5

36 opening frame

2nd scene: 47 total

whack a mole: 66 total

birds:..13 actual birds - 5 architectural = 18 = 84 total

overhead car: 1 in cupholder = 85 total

passenger side car: 7 = 92 total

dance hall dog: 13 color changing, 2 ticket booths, 1 necklace = 16 = 108

facing forward car marquee = 5 right neon = 2, roller coaster cars = 3

right parking neon = 3

left building neon = 3 left billboard = 1 left marquee = 3 = 20 = 128

facing car: hood = 5 right marquee = 2 pakace = 1 left box office = 4

passenger holding: 1 = 141

passenger bottle = 1 behind = 8 = 150

key chain: = 1 cena hold = 1 = 152

sunglasses: 2 = 154

cena talking = bg 2 = 156

back of car scene: 8? 5 possible dupes

trunk first open 3 fly out

trunk wide shot right side lit marquees: 7

left neon = 1

building neon = 2

flying out = 45 - 3 flying out already = 42 = 219

final marquee: 2

final look back: 2 on side?

flag post and flag content = 2
My wife is a microbiologist and works in $bigPharma. The latest joke her colleagues seem to be throwing around is the statement: "data is over-rated".

Joking aside, are we really seeing a data-driven approach to dealing with Covid19?

(Un)fortunately we still have our elected politicians holding the levers of power, and they have a habit of wanting to manage the narrative.

> Pregnant parents this year are going to have to go unprotected

I can't quickly find the appropriate data, but would imagine it's worth looking at the pre-Covid19 risk of dying in pregnancy vs dying as a result of Covid19 for an otherwise healthy woman in her 30s.

Data on leading causes of death by age group can be pretty eye-opening, I'd recommend everyone take a look.[0]

When and where on the charts do we think Covid19 is going to end up placing once the 2020/21 data is available?

[0] https://www.cdc.gov/injury/wisqars/LeadingCauses.html
> I went out of my way to avoid paying them any money [...] whilst also saving about 30% per year.

Just curious, how did you go out of your way by saving money?

"going out of your way" is usually associated with being inconvenienced. but saving money is hardly an inconvenience.
Not to mention the barrier of getting past the /r/popular posts rises when you use the new design or mobile app. The breath of fresh air that is old.Reddit.com won’t last much longer I’m afraid.
Arguably the public analysis of the correctness of their methods ought to be done once in a fashion that is usable by all former and subsequent defendants. This is supported by their own claims that such an analysis will be extremely onerous.

If its a multi million dollar affair like they claim its virtually impossible that every defendant will be able to fund such an affair.

In fact in the case that a disastrous flaw is found it may be advantageous to simply drop the case and hope that past and future defendants wont be able to each afford to press the point.
> - internal development and expression of sexuality does not happen at the same pace and at the same amplitude for everybody (some people really are asexual their whole life) and of course the familly, sister/brotherhood, socio-economical environment influence it too

Some people IS asexual. Asexuality it's a valid sexual orientation like being bi/pan/homo or heterosexual. It isn't lack of sexual development or sexual expression or result of family, socio-economical environment influences.

Perhaps, you should inform about it better : https://www.asexuality.org/?q=overview.html