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«Kernighan's witty remarks provide a clue: In #programming, as soon as you work at your current level, you will automatically end up in a situation where you have to work beyond your current level. By means of this very fortunate mechanism, you will leverage several basic human drives (honour, pride, stubbornness, curiosity) into providing the motivation necessary for improvement.» #quote #link https://www.linusakesson.net/programming/kernighans-lever/index.php

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True. #link: https://www.vox.com/first-person/21450739/coronavirus-covid-19-school-remote-online-learning #faux_plague

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Ah, online kindergarten, an underappreciated facet of the fuckery that is distance learning. Most painful, most useless, and completely optional!

 ‎· kaznacheev 4
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@dma: канадец хуле

 ‎· kaznacheev 2
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«Based on the [B4] benchmark, we can predict the size Yjs document representing the complete editing history of the Linux kernel: 864 MB. The size of the Git repository is currently 1.1 GB. So Yjs [based on operational transform] has better encoding.» #bizarre #computers #link https://news.ycombinator.com/item?id=24189435

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except... "If you would load the the Yjs document containing the editing history of the Linux kernel in-memory, you would use about 13.8 GB of memory"

 ‎· oleksandr_now 2
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@oleksandr_now: Because JS :-\ But this an implementation problem, not algorithmic.

 ‎· 9000
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@oleksandr_now: в ссср было такое ругательное инженерное выражение «если абстрагироваться от трудностей практической реализации, <тут похвала>», означавшее примерно «сделать это нельзя»

 ‎· appropriately aged 5
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@adworse: Не думаю, что трудности практической реализации тут столь уж огромны (ну напр. "переписать на C++/ Rust"), но они точно вносят много неопределённости в оценку.

 ‎· 9000
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It's sort of fun when a major media outlet states the obvious which used to be tacit so far: «[American] Atheists Are Sometimes More Religious Than Christians» #link: https://getpocket.com/explore/item/atheists-are-sometimes-more-religious-than-christians (The Atlantic, Pocket avoids the paywall.)

«As it turns out, “American ‘nones’ are as religious as—or even more religious than—Christians in several European countries, including France, Germany, and the U.K.»

I long assumed that the social justice holy wars on Twitter and other social media, mostly waged by American users, are religious in nature. Similarly, pop / rock concert ecstasy and sports fans ecstasy seem similar to religious ecstasy (no, not the chemical one). There's a ton of socially accepted and widespread behavior which one normally would associate with organized religion, happening without any reference to the supernatural. «It’s #religion, minus all the God stuff.»

It's sort of fun when a major media outlet states the obvious which used to be tacit so far: «[American] Atheists Are Sometimes More Religious Than Christians» #link: https://getpocket.com/explore/item/atheists-are-sometimes-more-religious-than-christians (The Atlantic, Pocket avoids the paywall.)

«As it turns out, “American ‘nones’ are as religious as—or even more religious than—Christians in several European countries, including France, Germany, and the U.K.»

I long assumed that the social justice holy wars on Twitter and other social media, mostly waged by American users, are religious in nature. Similarly, pop / rock concert ecstasy and sports fans ecstasy seem similar to religious ecstasy (no, not the chemical one). There's a ton of socially accepted and widespread behavior which one normally would associate with organized religion, happening without any reference to the supernatural. «It’s #religion, minus all the God stuff.»

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«Something like Schrondinger's equation is a PDE where the number of dimensions is the number of observables so it can get very high dimensional very fast. Classical methods don't necessarily scale that well in high dimensions (curse of dimensionality: cost is exponential in dimensions), but using neural networks does very well. This gives rise to the physics-informed neural network and deep backwards stochastic differential equation approaches» https://news.ycombinator.com/item?id=23907612 #link #rapprochement

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@mujawwad, I remember you didn't like the PDE legwork of science.

 ‎· 9000
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^ PDE legwork of physics, maybe; but actually, once you go into purely geometric things which deal with PDE systems and differ from them because they carry some exotic structures like the boundary conditions that do not matter (in the sense that there are infinitely many solutions to them), you can find an extremely surprising way of applicable reasoning - the possibilities of purely algebraic solutions and the "incorporations" of them into another, more pure, "genuine" solutions - that's what h-principle is about, the deformations of possible solutions. So I kinda want to say that it's not the limitations of classic methods that is disturbing (I admit that I may not be a fan of them from the personal point of view), but it doesn't mean you can't dig into and find something cool or whatever (like with homotopy principle)

 ‎· mujawwad 1
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and perhaps I have to reiterate again that everything that sounds like "well PDE is boring as hell and should not exist" is more of a half-meme in mathematical community; there is no doubt some part of the camp mindset but neither I nor anyone I know (except for some extreme cases) actually thinks this way, because if taken seriously, the interconnections of mathematical knowledge are hardly explored (in the sense "it's hard, much harder than mathematics itself sometimes"). there are levels to metaknowledge somehow resembling n-level voters frameview from voting theory, but one also could think about it pairwise: there are (meta)levels of mathematical knowledge, and each level of its complexity carries its own levels hierarchy of "inner" complexity

 ‎· mujawwad 2
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@mujawwad: PDEs should exist, they are an important tool! But anything that makes solving them easier, numerically or analytically, is useful, I hope. This is one such thing. (And I like the idea " harder than mathematics itself" and the levels.)

 ‎· 9000
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«Scrum is all process, but few of them. XP has fewer processes than Scrum, but way more practices. Practices, by the way, that I've heard asserted more than once are the difference between a successful or a failed Scrum team - that successful Scrum teams are using half of XP. In other words, Scrum is simply underreporting the number and variety of success factors, making it look much simpler than it really is.» #programming #quote #link https://news.ycombinator.com/item?id=23909934

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«Learn confidence and humility by mastering a common physical skill like an instrument, singing, or performing monologues, etc. Not stupid tricks, but something where other people are objectively way better than you are and plan to be embarrassingly bad at it for at least a decade.» #quote #link https://news.ycombinator.com/item?id=23760849

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"Embrace the suckage. Revel in it. Endure it. And by enduring, grow stronger."

 ‎· юдж 1
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what's wrong with stupid tricks, some of them take even longer to master, fuck op

 ‎· пердотвратетль 1
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@mudak, глупость вещь относительная!

 ‎· юдж 1
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Our virtual reality will likely feel dream-like, possibly because its details will be dreamed up by non-human neural networks. #link: https://research.fb.com/blog/2020/07/introducing-neural-supersampling-for-real-time-rendering/
The idea is #brilliant: render low-res image and make an NN infer the hi-res picture. That is, make it do the same work our imagination did for computer games since 1980s. #bizarre #computers

Our virtual reality will likely feel dream-like, possibly because its details will be dreamed up by non-human neural networks. #link: https://research.fb.com/blog/2020/07/introducing-neural-supersampling-for-real-time-rendering/
The idea is #brilliant: render low-res image and make an NN infer the hi-res picture. That is, make it do the same work our imagination did for computer games since 1980s. #bizarre #computers

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«Глубина глубина я не твой»

 ‎· for hysterical raisins 10
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и обязательно каждому своё, что показания расходились

 ‎· пердотвратетль 3
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A nice rhyme (with pictures): upsampling images in "python". http://www.pyrunner.com/weblog/2016/05/26/compressed-sensing-python/

 ‎· 9000
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«Hydrogen leaks in an oxygen atmosphere (like the one here on earth) are pretty dangerous, as they are effectively invisible in daylight, due to almost all the energy going directly to infrared. Due to that NASA test engineers used to walk with a broom in front of them in areas where hydrogen leaks could happen. If the broom suddenly caught fire, there was a burning hydrogen leak in front of the engineer! A picture of this can be seen here: https://spinoff.nasa.gov/spinoff1997/ps1.html» #bizarre #technology #picture #link https://news.ycombinator.com/item?id=23523063

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A fully electric commuter airplane for $40k: http://sustainableskies.org/sas-2019-gabriel-devaults-clean-commute-electric-adventures/ Unfortunately, not yet selling. #link #aircraft #cyberpunk

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«The pianist Lang Lang is known for his theatrical gesticulations at the keyboard. Turns out that’s a good strategy. Both novices and experts did a better job of predicting the winners of a juried piano competition when they watched videos of the performances with the sound off» (#link via pocket to avoid paywall: https://getpocket.com/explore/item/the-five-universal-laws-of-success) #human_condition

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«This is an asynchronous chat that sends + receives messages in the browser with no reloads and no javascript.» #bizarre #link https://github.com/kkuchta/css-only-chat

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*gulp*

 ‎· юдж
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Now it's a pure CSS (no JS) implementation of Minesweeper: https://github.com/propjockey/css-sweeper The trick to have stateful CSS is explained in the README.

 ‎· 9000
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«For the vast majority of uses, you should probably use a hash table instead.There are still niche uses for both linked lists and trees, but the sad fact is that the relative time it takes to chase a random pointer compared to doing *literally anything else* keeps getting worse, and is already at the point where frequently linearly copying kilobytes of arrays is almost always faster than using a linked list.» #computers #hardware #link https://news.ycombinator.com/item?id=22392246

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(почесывая седую бороду об терминал VT220) милок, да хдеж я хешь-таблицу возьму, у меня только sys/queue.h есть, а хешь, так-скть, херь!

 ‎· the nonsense rat 4
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неловко напомню, что вначале надо хотя бы определиться, мы оптимизируем под iteration performance (short/long term), runtime performance, coldstart, hot, bandwidth или latency (и для латенси еще какие percentiles)

 ‎· oleksandr_now 2
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«During the first Jobsian era at #Apple, I used to joke that Steve Jobs cared deeply about Apple customers from the moment they first considered purchasing an Apple computer right up until the time their check cleared the bank. Of course, in later years, the check was replace by a credit card, and check clearance was replaced by the 15-day return period, but Steve’s and Apple’s focus remained the same.» #ux #quote #link https://asktog.com/atc/the-third-user/

(Bruce “Tog” Tognazzini. «During his 14 years at Apple, he designed Apple’s first human interface and wrote eight editions of the Apple Human Interface Guidelines.»)

«During the first Jobsian era at #Apple, I used to joke that Steve Jobs cared deeply about Apple customers from the moment they first considered purchasing an Apple computer right up until the time their check cleared the bank. Of course, in later years, the check was replace by a credit card, and check clearance was replaced by the 15-day return period, but Steve’s and Apple’s focus remained the same.» #ux #quote #link https://asktog.com/atc/the-third-user/

(Bruce “Tog” Tognazzini. «During his 14 years at Apple, he designed Apple’s first human interface and wrote eight editions of the Apple Human Interface Guidelines.»)

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Внезапно обнаружил https://nitter.net/, который позволяет разумно читать твиттер; разница особенно заметна на мобиле. Преобразование просто: e.g. twitter.com/squadette → https://nitter.net/squadette; оттуда же доступен RSS. #nifty #link

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Заодно перечитал свой твиттер, который я когда-то на пробу завёл; нашёл два стоящих поста. (1) «Реализуется 1% от задуманного. Чтобы он был заметен, задуманное должно быть колоссальным.» (2) «Discounts found to follow hyperbolic geometry and thus to add up as velocities in special relativity. Billing at Yandex is a fun place to work at.»

 ‎· 9000 2
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^ вот прямо сейчас это зримо не единственный вариант. а так-то ничто не вечно. надеюсь, и твиттер в его нынешнем виде постепенно исчезнет.

 ‎· 9000
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Use to improve your #website #authority and #backlink profile: Lost #Link #Recovery #Competitor #backlink #audit Relation #building http://www.prowessgroups.com/digital-marketing-course.php #digitalmarketing #seo #backlinks #Optimization #training #Course

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I find this honest, disturbing, and important:
«YouTube may terminate your access, or your Google account’s access to all or part of the Service if YouTube believes, in its sole discretion, that provision of the Service to you is no longer commercially viable.»
If you stop to be a profitable product, the free-as-in-beer service may be denied to you, because it just, like, makes sense.
#internet #link https://www.youtube.com/t/terms?preview=20191210#ae7e8c059d

I find this honest, disturbing, and important:
«YouTube may terminate your access, or your Google account’s access to all or part of the Service if YouTube believes, in its sole discretion, that provision of the Service to you is no longer commercially viable.»
If you stop to be a profitable product, the free-as-in-beer service may be denied to you, because it just, like, makes sense.
#internet #link https://www.youtube.com/t/terms?preview=20191210#ae7e8c059d

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This is why I have Youtube Premium. Now I consider to start buying GMail (as "google apps"), and maybe eventually stop using Photos.

 ‎· 9000
15 more comments
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Я вот помню, как в нулевых, когда было популярно слово “мастдай”, все ждали, что сейчас M$, как его тогда называли, запрёт пользовательские данные под замок и перейдёт на почасовую оплату с дифференциацией по функциям. Так, похоже, и выходит, но только не у MS.

 ‎· Стадо овец 3
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That's how you do a startup elevator pitch: «One of the startup ideas I've had is to modernize death» #bizarre #mot #link https://news.ycombinator.com/item?id=21484127

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MS collect suspicious binaries from machines running Windows and then run them inside MS to analyze their behavior. «It is quite common that even in isolated environments, many of the Microsoft IP address ranges are whitelisted to make sure systems will stay up to date» + «Make your spyware collect & encrypt data into a (new and unknown) binary and execute it, relying on the fact that Microsoft will exfiltrate it for you. When that binary itself is run (within MS' premises) it will then reach out to you with its embedded data.» #security #link https://news.ycombinator.com/item?id=21180019

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Hey, it's a rather notable event: RMS resigns from the FSF office. https://www.fsf.org/news/richard-m-stallman-resigns + https://news.ycombinator.com/item?id=20990583 #link

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The (trivial) conclusion: if you are a public figure, you may not touch the American religion, which quite Christian by now, but in many is as strong as in the Mayflower days.

 ‎· 9000
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«RMS was pointing out inaccuracies in how a deceased colleague who was being accused of a heinous crime might simply have slept with a prostitute, if at all (which turns out probably wasn't the case).» [As I said, touching in any way any religious topic, such as "sex before legal age", is taboo. No matter that the age of consent varies state to state. Not worse than prosecuting teenagers for owning nude pictures of _themselves_ on their phones.]

 ‎· 9000
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Funny stats on programming languages desired by employers, from a recruiting company: https://hired.com/blog/candidates/data-reveals-hottest-coding-languages/ #programming #link

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No wonder that Cobol, I mean, Golang, tops the list. Typescript is no surprise either. I find it funny how Scala and Ruby are well above Python and Java, and Kotlin is on par with Python.

 ‎· 9000
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@9000: испоганили нашу скалку, а раньше-то кормилица была :)

 ‎· DS&T PTSD 2
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^ ерланг и еликсир в помощь! И там, не знаю, пони.

 ‎· 9000
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@9000: ну вот, уже.

 ‎· DS&T PTSD 1
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An obvious #monetization policy for the Library of Babel suggested: «When you can take a few stanzas and say you OWN that music, could someone not just use a computer to generate every possible sequence of notes, slap a copyright on it, and own all future music?» #copyright #link https://news.ycombinator.com/item?id=20800406

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«In the growth period, investing ... is totally rational if it helps improve growth and quality of life now, given that repaying that debt will be easy later. But once #growth slows down, our expectations of #progress must also wane. This is hard for many people to accept because they think that past growth was paid for with past success, when the reality is that it was paid for with current success.» #quote #link https://news.ycombinator.com/item?id=20678552

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если ты понимаешь эту мысль, объясни мне ее простыми словами, пожалуйста

 ‎· legacy bio solution 1
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@random: Да, это просто ловкая формула описания несложного cognitive bias.

 ‎· 9000
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К тредам про демократию и самоуправление я позволю себе процитировать себя же в треде на HN:

«The entire Switzerland's population is 8.5M, about the size of 5 boroughs of New York City. They have twenty six cantons, all with severely different policies, and 2222 municipalities. Of course most voting occurs at municipal level, then cantonal level. To my mind, nowhere in the world any larger state managed to get to the "level of democracy" which is possible and has been demonstrably achieved at smaller scales.»

#link https://news.ycombinator.com/item?id=18877447#18877976

К тредам про демократию и самоуправление я позволю себе процитировать себя же в треде на HN:

«The entire Switzerland's population is 8.5M, about the size of 5 boroughs of New York City. They have twenty six cantons, all with severely different policies, and 2222 municipalities. Of course most voting occurs at municipal level, then cantonal level. To my mind, nowhere in the world any larger state managed to get to the "level of democracy" which is possible and has been demonstrably achieved at smaller scales.»

#link https://news.ycombinator.com/item?id=18877447#18877976

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Проблема демократии, или вообще серьёзного влияния "простых людей" на большие решения в больших странах, кмк, не решена нигде в мире, хотя много где изо всех сил стараются сделать вид. Возможно, решение этой проблемы будет такой же супер-технологией, как преодоление числа Данбара в организации групп, которое, кмк, вывело человека из группы других гоминид и привела к господству над макроскопической биосферой.

 ‎· 9000
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@vinsentru: Именно: на местном уровне шансы что-то сделать ненулевые, чем ниже, тем лучше шансы. Если есть время и энергия на это, то надо пользоваться, или хотя бы голосовать за наименее ужасного депутата в горсовет.

 ‎· 9000
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«CommonCrawl already indexes the top 3B+ pages on the web and makes it freely available on AWS. It costs about $50 to grep over it, $800 or so to run a moderately complex Hadoop job.» #link https://news.ycombinator.com/item?id=20442044
Consumer-grade cloud is not cheap.

«CommonCrawl already indexes the top 3B+ pages on the web and makes it freely available on AWS. It costs about $50 to grep over it, $800 or so to run a moderately complex Hadoop job.» #link https://news.ycombinator.com/item?id=20442044
Consumer-grade cloud is not cheap.

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