skysight-inc/HackerNews huggingface dataset:
Well done, log scale, rebased to common starting point - the best way of depicting international comparisons so far.

Zeit.de has an interactive version of these (in German), which adds a rectangle for "days since numbers last doubled", a good indicator of how severe the situation in a country is.

Scroll down past the map to the third graph with international data, click on "Todesfälle" (deaths): https://www.zeit.de/wissen/gesundheit/coronavirus-echtzeit-k...
The cool thing about timescaledb is that timescale not Postgres controls the partitions, so who says they all have to be done the same way?

In my use cases I have got recent partitions that are upsert heavy, so row-based works best. But as the partitions age, column-based would be better. What every DB seems to force me to do is use the same underlying format for all partitions. What I’d like is a storage engine that automates everything; instead of me picking partition size, it picks on the fly and makes adjustments. Instead of me picking olap vs oltp, it picks and migrates partitions over time etc.
Kind of like the what3words approach to GIS

[1] https://what3words.com/about-us/
It's a very, very minimal implementation. The diff algorithm they use does not really have the necessary optimizations implemented.
Since January, Google Meet video-conferencing product has surged by 25X
Expect to see more of these as fewer and fewer people use Firefox and web developers simply don't try their websites on this browser. And as more websites stop working correctly on Firefox, they will lose more market share. Some kind of spiral, you know?

I was thinking that a rendering bug (which is what one expects from a browser compatibility bug) is not that bad, but when we are talking privacy and security, now that's a problem.
Responses in order: No, USCIS has not yet extended this grace period or relaxed expiration/departure dates but it might. There's no change of employer; this would be a new TN application with your new employer. But of course there are travel restrictions in place now that could impact your departure from and return to the US.
Ask HN: Good software for virtual trade shows?
I'm wondering how's the current state of the art in web conferencing. I don't mean Skype-style conferencing (i.e. with people you already know), but something more like a trade show, where expositors can showcase their products and you can randomly meet other visitors. Around the year 2010 there was interest in this field, but it's been decreasing since then. I found VenueGen (https://en.wikipedia.org/wiki/VenueGen) but it seems abandoned. Do you have any idea why this software failed?

I would expect that something like VenueGen, browser-based and multiplatform will have a lot of success in the current times.
> Now, you'd want to set both values in the same transaction for obvious reasons. But, since Postgres uses MVCC, the two tuples that are added to the database both contain the same transaction ID (XID), so there's the connection between user and vote again.

The simple solution is that at each change, you rewrite the whole election, not just the new votes, and clear out all outdated tuples (basically, that you make the "periodic and manual" process you are currently doing automatic and integrated with the "real" transactions rather than additional side process.)

Alternatively, you don't do the changes in the same database transaction but in the same business domain transaction which is managed outside the database, and where any database artifacts related to the management of the business transaction are deleted and vacuumed after the transaction is completed.
Or switch to HERE that is much cheaper than Google
Then that ban only applies to those applying for visas or green cards from outside the US. You still can pursue a green card in the US because you are in the US.
People are looking for some rays of hope in these dark times, so perhaps the publication can be forgiven to hype up some local researcher's work.
FavCode54 2020 x IBM Canada
Wear a mask: it may be our best weapon against coronavirus
No downside at all to switching and no impact on the outcome of an EB1A petition - same chances whether you are in H-1B or O-1 status.
> 80% sounds bad but the chance of two launches failing is 4%, which means a 96% chance overall success rate.

I don't disagree but I also don't think it's always as straightforward as probability theory would make us believe. One can imagine situations where a certain amount of QA leads to a certain semi-predictable amount of failures that allows for calculated risks to be taken, but one can also imagine situations where paying 2X leads to better solutions and processes and not paying 2X leads to failure on both the first and second launches.
It's really hard to say but I don't think until the summer or even fall although USCIS could bring it back piecemeal, maybe starting with I-140 petitions and certain visa classifications.
I'm not sure if any of their content is still relevant, but mithril makes some bold claims for >React performance: https://mithril.js.org/framework-comparison.html#react

"Generally speaking, React's approach to performance is to engineer relatively complex solutions.

Mithril follows the less-is-more school of thought. It has a substantially smaller, aggressively optimized codebase. The rationale is that a small codebase is easier to audit and optimize, and ultimately results in less code being run."

(Obviously, I'm not claiming the same for this toy example - just that batching updates etc, may not be necessary for performance).
FortressOne: Quake Team Fortress (1996) mod still under active development
Oh my god the closure on that link. You couldn't write satire this good. Bureaucracy distilled.
I have been using this for some time now. 6 months back, while I was trying to cut a 10mins video to extract a section of 2 mins, I had discovered this. It was a real time saver. Quie a gem.
They mention a 94% budget saving but there's no mention of the drop in accuracy (which I'm sure has occurred)?
Show HN: A map of the world's virtual museums
I should move to USA.

Reads the news

I will stay where I live.
Isn't a market a kind of competitive environment?

Given an appropriate reward function, and multiple independent actors seeking advantage, some might converge on an optimal strategy for attaining AGI.

Anyway, that's the way I read it.
She also could accompany you to the US in B-2 visitor status as your non-spouse cohabitating partner and effectively remain in the US as long as you are in TN status.
Getlon.lat
What's the employee's US immigration status?
Show HN: Q&A for Remote Workers
I've been using Avidemux for this purpose for years now, very nice open source tool. It can trim any video from either end without re-encoding. I've also been using it to remove sound from videos without re-encoding too.
My understanding was that chats simply had too easy to guess names.

Would this be solved by generating chat names through a cryptographic hash algorithm?

I have google docs that are edible by anyone with the link and I’m kinda assuming that the link is as hard to guess as logging in with a password.

Am I completely off and in dire need of reevaluating my personal web security?
The time that you are allowed to be in the US in L-1 status doesn't change - get extended - because your entry has been delayed. And yes, the green card process can be started while you are outside the US.
Indeed. I too have resorted to implementing my own plan using temporary tables.

Easier to maintain though? I can't recall ever resorting to this technique and thinking it was a maintenance improvement. When what might have been a single query evolves into a facade to hide the temporary table gymnastics I always feel it's at least a maintenance setback.
> Well done, log scale, rebased to common starting point - the best way of depicting international comparisons so far.

Yeah, its what the Financial Times and many others have been using for quite a while, log graphs with a starting point of the Xth death or Yth case. Its a standard way of presenting this kind of data.
Interesting issue, never thought about xid being used in that way before!

Rather than store the user ID, can you store a bcrypt hash of it?

What’s the attack vector you are addressing? I guess access is given to the database for outside auditing?

I’m just thinking if the db or app server is compromised anyway then someone could install a trigger to log the table changes, or change the app logic to log the vote somewhere else, etc.
So I guess the term on the NDA is 10 years?
So you could sponsor her for a green card and while that application is pending, she could attend school. She wouldn't need an F-1 visa to do so. But consult an attorney before proceeding.
AI Panics (2016)
People are political animals. The only way to avoid politics is to avoid people. Not exactly a workable proposition if you want to change the world with a billion dollar unicorn.
Re "same business transaction": That would probably still allow for correlating the votes with the flags because they'll still be added with some XID, which are monotonically increasing. Of course, it would require more effort and probably even guesswork, but still :)

Rewriting the election in the same transaction sounds smarter than the periodic solution. I need to discuss that with the team, thanks!
Balaji Srinivasan on Tech vs. Journalism in Times of Corona, Handshake Article
I'm signing off now. Thank you again everyone. It's been a pleasure responding to your questions. Stay healthy and safe.
Just give me popcount, and I'm on board!
If I were to design a video conference platform my focus would be usability, video quality, speed.

Because those are the things that matters to end-users; if it gives up some security because there is a server somewhere that decrypts, converts and reencrypt the traffic then that is a trade-off but so be it if the goal is to create a popular widely used platform.
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Mithril Introduction
Has anyone done any quantitative measurement of the BBC's bias? I feel like there must be some way to do it using sentiment analysis and other news sources as references somehow.
Just to mention that staples like grain have indeed much protein, so your sentence actually doesn't make much sense.

The conception of food consisting of vegetable + meat/fish + staple (rice, bread, potato, ..) is an utterly modern one.

All across history in most settled cultures will have lived principally of local plants of some kind, with meat being a rate treat. The exception being fishing villages but even there vegetables/grains will always have been a principal source of calories and nutrients.
So are you saying that you disagree with the current “hmtl as superset” version of markdown? Or are you saying that it’s good that he didn’t go all the way and support markdown-in-html-in-markdown because the halfway point makes it perfectly half usable for the point of having html in the first place?

Markdown is great but there are some minor points where it fails spectacularly with only minor tweaks needed to improve it tremendously. Also code ticks at its point to most are just considered part of “standard” markdown.
The pirate bay is your friend.
Physics of Cricket (2005)
How about Jami instead? It is truly peer-to-peer while Jitsi is not (you need Jitsi Videobridge, the XMPP server).
thanks for the assurance Peter! this helps me a good deal in this time of uncertainty when nobody seems to know what to do.
> How do you know that they don't have any payload? Do you have special insight into what SpaceX is doing?

I know that because Musk said so himself several times. His priority is providing the means of transportation - everything else is someone else's job.
P.S.: Another angle to view this from is to consider this a startup.

In US & EU, dumb ideas occasionally turn into startups, then they show up on crowdfunding (or, worst case, find a dumb VC), and then they die in a fire of varying gloriousness.

In China, the startup happens inside of Huawei instead. The ideas are equally dumb, but they don't die as easily, and when they make it out of Huawei they suddenly have the Huawei name attached and the Chinese government behind it. And it falls to the ITU, IETF, IEEE, or whomever else to shut it down.

Don't get confused by the "Ministry of Industry and Information Technology (MIIT)" there either. This isn't "state driven." They're just different faces of the same large blob.

And it's not about subversion either. They can't do that, yet. If you buy Cisco, Juniper, Ericsson, or Alcatel, and you find a backdoor... you just add it to the list of backdoors. But if you find a backdoor in Huawei, can you imagine the shitstorm that's gonna break loose? They seriously can't afford that. They'd lose not only US & EU sales and influence, but Middle East, African and South American too. They can start doing that in 10 years maybe, but not yet.
RFCs are published as plain text with line breaks, which I literally copied without even changing the indentation, so barking up the wrong tree here.
You can use Jami (https://jami.net/ - formerly Ring) if you are concerned.
And they were the very first ones to actually try. Quite a difference to a company that can build upon 80 years of experience.
Do you have actual evidence for any of these?
Plus `mpv` has awesome keyboard controls in case you need to skip back and return to normal speed, or loop a segment etc.
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That video is suitable for non-harmful dust.

It's completely incorrect for infection control.

Donning: He starts by cupping the front of the mask with his bare hand! This is wrong.

Doffing: He starts by cupping the front of the mask with his bare hand! This is wrong. He's touching the infected part of the mask with his bare hands.
While the System Is Down
https://www.remoteteam.com/
Ironically it did, if you are poor you will eat anything to survive imo?
My understanding is there are several different kinds of loans, which is what I've been trying to point out. So it's conceivable that _your_ understanding of CARES Act loans is wrong. Large companies do not get the kinds of loans that can be "forgiven", and government takes equity stake in them to ensure that the loans are paid back. This is particularly chafing to some since equity prices are in the shitter right now.
For starters, org-mode is only fantastic as long as you use it with the org-mode. While there are some basic integrations with other editors none provide what is so fantastic about org-mode, which is extensibility with your own code.

Once you leave Emacs you are left with pretty standard file format with bunch of peculiarities that don't make much sense outside of their intended use.
Ask HN: Viral Infection Inhibitor?
I am no expert.

There is a lot of talk about face masks recently.

However I had an idea and wondered if nasal sprays and/or eye drops that would disrupt the virus contact-infection have been considered in viably fighting an airborne virus like covid19 as well as a scalable preventative measure.

Since soap is said to help against this virus, I'm suggesting there could be something more eye-friendly to disrupt it.
This indeed does snap to keyframes when input seeking is used. On output seeking, it cuts the video at the exact time, but there isn't enough information to rebuild the image as it's still a truncated copy of the stream.

It's possible to reencode a (h264-encoded, at least) video up to the first keyframe; it's discussed in this StackExchange submission: https://video.stackexchange.com/a/23542

Coincidentally, I refined the above approach very recently and posted the result to my own blog: https://csrd.science/blag/2020/trimming-an-h264-video-and-pr...

The gist is to extract and reencode the segment containing the group of pictures to be cut (using the stream segment muxer), then rejoin the subsequent segments and remux the trimmed audio back in afterwards.
Agreed, are they closing down the platform for good? I haven't come across such announcement yet.
This clean air comes at a big price.
Wow, now this really is a forgotten gem of history. They raised every building in Chicago on jacks, with people still inside them!

"One patron was puzzled to note that the front steps leading from the street into the hotel were becoming steeper every day and that when he checked out, the windows were several feet above his head, whereas before they had been at eye level."
>>> “how long will large populations be locked down?” “How many people are going to die?” and “how long until this all happens again?”

Is it really the large populations that worry you or is it just the risk that you might be next or even more hypocritic, that your investment portfolio is going south? Very bad and innevitable horrors have been happenning for a while(i.e the war Yemen, Iraq) and the "large populations" that you mention had little to no insomnia.
I think the situation has improved in the last 10 years.

When I got a fraud call and was asked to authorise I told the agent that I didn't trust them unless I had a number to call to verify, so the agent on the phone told me to call the number on the back of my debit card. They give every person the number explicitly now.
reStructuredText is very committed to the plain text visually matching the formatted. For headings, visual underlining makes sense in that context. And code is conventionally indented, so it also makes a lot of sense. (Blockquotes are indented as well, differing from code blocks by the absence of `::` at the end of the preceding paragraph; indentation again matches conventional appearance. But that’s a place where I get where Markdown’s coming from, using > indentation like in emails.)

In more recent times, convenience of writing has become a more important concern to people, because these formats have shifted from niche use by dedicated people in real text editors that would like what they see to match the end result fairly well, to mainstream use in textareas and similar, and sometimes even WYSIWYG editors. That’s what’s driven people to prefer the convenience of code fencing, because indenting each line in a textarea is a pain. Ditto on headings. If reStructuredText were being redone now, I think it’s fair to say that prefix rather than underlined headers would be at least an option. It would just remain to be seen whether they went with `###` meaning level 3 even if there was no `##` or `#`, or whether they’d boost it up to level 1 or title, as appropriate.
I’ll have to try this! I was under the impression that it was lossy in Quicktime X. I’ve been going back to Quicktime 7 for this option (which has apparantly finally stopped working in Catalina, but the Apple downloadable version originally released for Snow Leopard works fine under Mojave still!). I’ve been using Quicktime 7 Pro to do all kinds of things FFMPEG can do, not only cropping losslessly but also removing, extracting and changing the soundstream. It’s simpler for me than having to remember the commands :)
Same for HFT
We moved to Stadia Maps with significant cost reduction, but Stadia matched our use case quite well, I can see others need to stick with Google Maps.

https://www.eventsofa.de/campus/migrating-away-from-google-m...

Shoutout to Stadia Maps CEO who was always very very helpful.
And who do you think makes the trackers?
SEEKING WORK | Product Designer | Remote (GMT+11)

Multidisciplinary designer bringing digital products to life — for fledgling startups and Fortune 500 giants all around the world.

http://damirkotoric.com/
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An unbiased view of bias? Is that even possible?

IMO, the BBC can't be very biased because all sides accuse it of being biased against them!
The attack vector would be an attacker getting their hands at a DB dump including XIDs. Without any particular measures, they'd be able to de-anonymize every vote ever made, which is kind of a worst case scenario for an anonymity-focused app. Granted, since usually there are no dumps including XIDs lying around (e.g. backups don't contain them), this would effectively require an attacker to gain access to the database. When they're that far they could of course do all sorts of bad things, but most of those could probably be fixed with recreating the VM with a backup. Deanonymizing existing votes cannot be fixed :)

We also thought about hashing user IDs, but with any practical number of users in the database it would be possible for an attacker to just hash all existing user IDs and checking them all. So that would be more an obfuscation, making de-anonymization harder, but not impossible.

edit: we considered putting the user's password into that hash as well. that would also enable us to let the user edit their vote later, while still retaining anonymity. But then we'd need to ask them for their PW when voting, or we put a hash of the PW into their session data, and we'd need to restrict changing the PW until the election is over, and it seemed not worthwhile.
Caching responses might be against ToS, at least with Maps API, AFAIR, you are not allowed to cache (some of?) the results.
Demystifying Hoisting in JavaScript
> Candyland isn’t even luck based.

> It is 100% predetermined by the shuffling of the cards

I feel like there has to be a typo somewhere in here. A game being predetermined by the shuffle is what makes it luck based, no?
No, not really. Being able to build and train a talent or skill is all luck. You need time and access and, in general, money to be able to train these things. I'm not sure that a kid that has spotty access to school is lucky enough to build their talent if it doesn't match up with society. Women (and young girls) aren't always even given the opportunity - unless their talents are homemaking and raising children.
This looks super rad and inspires me to whip up my own Jitsi hacks.

I had a Jitsi Meet server kicking around months before coronavirus and now it's seeing more use. I'll give this an install!