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2024_reading.md

Things I might read in 2024.

  • Antoine de Saint-Exupéry, Richard Howard (translator) - The Little Prince
  • Sayaka Murata, Ginny Tapley Takemori (translator) - Convenience Store Woman (via)
  • Jorge Luis Borges - Tlön, Uqbar, Orbis Tertius (in Labyrinths)/ printed (via)
  • Franz Kafka - The Metamorphosis (via)
  • William Olaf Stapledon - Star Maker/ audio, go to 12m35s to skip past the introduction spoilers

Lectures/videos

Interactive fiction

unplanned notable things read

unplanned and abandoned

  • Ichiro Kishimi, Fumitake Koga - The Courage to Be Disliked/ audio
  • Matt Dinniman - Dungeon Crawler Carl/ audio
  • Charles Eisenstein - The More Beautiful World Our Hearts Know Is Possible/ audio
  • Geoff Smart - Who: The A Method for Hiring/ audio
  • Genki Kawamura - If Cats Disappeared from the World/ audio
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ivan commented Jul 15, 2024 •
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✔️ No AI

https://pikimov.com/

How long you have been working on this?

It's a side project I started early 2023

https://x.com/pikilipita/status/1807521206435721467

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ivan commented Jul 15, 2024 •
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winning is easy. just don’t context switch for 10 years

https://x.com/shauseth/status/1679566177771872256
via https://x.com/shauseth/status/1806653222276534500

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ivan commented Jul 16, 2024

One idea I have not seen much, but which would be useful as automation is added, is a concept of ‘negative tags’ or ‘anti-tags’: asserting that an item is definitely not a tag.

Tags are typically presented as a two-valued binary variable, but because the default for tag systems is typically to be untagged, and because most tag systems are incomplete, that means that errors are highly skewed towards errors of omission rather than commission. An item with tag x but not tag y, is almost always indeed an instance of x; however, it will often be y too. So the absence of a tag is much less informative than the presence of a tag. But there is no way to distinguish between “this item is not tagged y because no one has gotten around to it” and “because someone looked closely and it’s definitely not y”.

https://gwern.net/design

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ivan commented Jul 16, 2024

I don't understand the economics of this.

How is it even possible to sell an 85" for less than a grand? QLED no less... I understand it's no premium TV, but I just can't fathom it.

https://slickdeals.net/f/17622405-tcl-85-q6-series-120hz-qled-4k-tv-2024-best-buy-amazon-899-99

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ivan commented Jul 16, 2024

i kinda think the real reason that homelabbers like the Monoprice slim ethernet cables so much is that, from a distance, they look kinda like fiber

https://x.com/mycoliza/status/1804205897557905674

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ivan commented Jul 16, 2024

• Our year numbering system is Christian
• Our month names are Roman
• Our day of week names are Norse
• Our 7 day week system is Babylonian
• Our 24 hour days are Egyptian
• Our 60 minute hours are Persian
• Our 60 second minutes, Persian
• Our use of base 60 is Sumerian

https://x.com/alangrow/status/1805644793508491646

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ivan commented Jul 16, 2024

Ask HN: What happens when I click "request for quote" on your SaaS?

I've been part of the team that sets up this process at a few SaaS's, and I've done SaaS procurement for a while, so I clicked that button often (if I didn't know anyone at the company).

1. It gets added to a list of marketing website leads, which is owned by SDRs/BDRs who are there to filter and qualify leads. These are usually early-career people, with a base salary + quota for qualifying leads. The website is many times their least preferred channel of leads due to the quality, but they can't ignore it because sometimes good customers do come through there.

2. The SDR will either work over email or on a call; their goal is to identify if you're a real potential customer (vs shopping for prices, vs confused about what we sell), write up notes, and identify which customer segment you belong to (geography + business type + business size).

3. You will then speak to a salesperson (with varying titles "Account Executive", "Sales Director", "Regional VP of Enterprise Sales", or whatever inflated title makes sense for that sales organization). Their goal is to confirm they're speaking to the right person in your organization (or wasting their time), if your use case is meaningful enough for the "enterprise plan" (they can't sign too small deals), what your budget is, what your usage will be like, etc.

4. Pricing could be made up by guessing your price point, but it's rare. It is difficult to consistently make up pricing that works over time and doesn't have many lowball deals that harm the company's revenue long-term, and salespeople often don't understand the technical details well enough to make things up that make sense. Usually, there will be a pricing framework and an internal calculator (very often, a spreadsheet with formulae and VLOOKUPs) that will give them a range. They can then choose what number within that range to offer, based on who they think you are and how far off they are from their quarterly quota.

5. They can then negotiate the number, or the included features, or the payment terms (upfront payment, multi-year contract, exit clauses, etc.) which can be translated into discounts if they're favorable to the seller.

https://news.ycombinator.com/item?id=40726735

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ivan commented Jul 16, 2024

Ask HN: Could AI be a dot com sized bubble?

You might find the recent Verge/Decoder podcast with Cohere's CEO interesting:

https://www.theverge.com/24173858/ai-cohere-aidan-gomez-mone...

The host is clearly trying to push the CEO of Cohere on how all this is going to make money (or just be economic). The CEO is confident, but not in a very specific way. There is a great moment where he is like "we did some proof of concepts with 5 users, and they were pretty good, but when you tell CFOs about the running costs for a full user base, its not viable."

What fascinates me about AI right now is that it seems to have very different economics from traditional software/internet/SaaS businesses. Those business scale super-efficiently. They have some initial startup costs (but still relatively low, especially with cloud providers) and low running costs.

With AI, the initial capital costs to build the model are quite high. And, the running costs to handle queries are also quite high. These companies need to find use cases that generate value significantly in excess of those costs. If those use cases are out there, they must either involve really significant productivity improvements, or the costs have to come down a lot, or both.

All that said, I remember going to a talk by Adobe's founders, in which they pointed out that when they introduced Postscript, the first Apple printer that ran it was only viable because of a last minute drop in memory prices, and when they started building Photoshop, you could fit six (6!) digital images on a powerful computer.

So, I see why the investment is happening, but its a high risk investment right now hoping to identify both high-value use cases and significant cost savings simultaneously.

https://news.ycombinator.com/item?id=40740037

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ivan commented Jul 16, 2024

The author of this has been on a crusade against Apple for years, stemming from an incident that was probably hypochondria. They've outright lied about multiple incidents (see https://twitter.com/shantinix/status/1433297575914971136), and I would very strongly doubt any new claims made. For example, a spot check of one of the claims has them currently saying "Still, Gjovik’s limited testing returned results showing a number of the chemicals in use by Apple at ARIA including Acetone, Acetonitrile, Acetaldehyde, Benzene, 1,2-Dichloroethane, Ethanol, Ethylbenzene, Hexane, Isopropanol, Isopropyl toluene, Methylene Chloride, Toluene, and Xylene."

But, in 2021 (at https://sfbayview.com/2021/03/i-thought-i-was-dying-my-apart...), "I wanted to get some formal data in the brief time before I moved out, so I hired an industrial hygienist to sample the indoor air and some of the topsoil. Despite the $1,555 I had to pay for it, the results were inconclusive."

It's really hard to "catch" these things in the moment. I work in chemical plants and there are tons of huge releases of extremely toxic gases all the time, which I can often smell from my apartment. I know what they are by smell because I manufacture them myself. Proper continuous monitoring for a broad range of chemicals would cost about $1 million per monitoring station and we'd need to build them along the perimeters of each plant so that leaks can be assigned to the offending companies, and they need to be built near housing so that we know how families are being affected. That sounds expensive, but really isn't that much added cost for a $100 million to $10 billion manufacturing site.

I live in the western hemisphere's largest integrated industrial complex (Freeport, TX integrated with the eastern edge of Houston as well). Note that Freeport, TX has ZERO state or federal EPA VOC analyzers which can actually detect which chemical is leaking. They can only detect "this amount of something with either {sulfur, N-O bonds, aromatic carbon rings} -- no clue what precisely though!". This is the same capability of the most advanced atmospheric pollution satellites. Completely fucking useless for an area which manufactures something like 15-20% of all USA domestic chemicals. The technology to measure individual chemicals exists, but the government isn't paying for it or installing it.

The ENTIRE east side of Houston metropolitan area is dedicated to or "next door" to massive chemical manufacturing. This is an industrial area nearly equal to the area encompassing all of Seattle+Bellevue+Redmond+Renton+Tukwila. That's not including nearby housing - that's just how big the manufacturing facilities themselves are! This massive area has only THREE air quality monitors which test for these kinds of chemicals[0]. During huge major events like the ITC fire[2], they typically show no increased pollution at all, which proves that it's woefully inadequate even during big emergencies that very obviously affect breathing air quality. I lived next to leaks every day and because I worked in the plants I knew the smells - one day acrylates, next day thiols, next day hydrocarbons, etc. But all 3 monitoring sites (over 10 miles from me) showed nothing at all.

Here is the one "correct" monitoring station near the chemical plants of Houston: [0]... but several of its analyzers are often offline/broken/pending maintenance. Here's a map of all the other ones: [1] Generally single/dual color dots mark "not-useful" monitoring sites which might measure only PM2.5 or Ozone, for example. The 4+ color dots are generally useful, they measure specific (large) families of chemicals so you can see very roughly what is leaking, even if it doesn't have "soot" in it.

The data used by ProPublica[3] is actually far worse than the woefully inadequate data collected by TCEQ/EPA air monitoring stations -- because what ProPublica used was "self-reported" data from the chemical plants. But I know from working in them and living next to them that many leaks are never reported and many leaks are never even known internally! Our government's data collection is a travesty. ProPublica couldn't use the real air quality measurements because having 2-3 points across 1000 mi^2 is completely useless for the wind models they wanted to apply to the problem. We don't actually have any data. The government is failing us.

ITC fire which blanketed houston's sky in smoke: [2]

1: https://tceq.maps.arcgis.com/apps/webappviewer/index.html?id...

2: https://abc13.com/deer-park-fire-2019-itc-houston-air-qualit...

3: https://www.propublica.org/nerds/visualizing-toxic-air

https://news.ycombinator.com/item?id=40773252

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ivan commented Jul 16, 2024

Sen. Mitch McConnell Booed at Republican National Convention

Dude delivers conservatives’ wet dream by helping appoint 3 justices that overturned Roe and he still is hated by Trump’s rabid mob. Hilarious really.

Mitch is the probably the single greatest factor in how the GOP became what it is today. Because of that, I can’t stand him. But it’s hilarious that the MAGA GOP doesn’t recognize his contributions to their ideology. He should be worship as a hero by them, but he very occasionally disagreed with Trump and is now universally recognized as a villain.

I mean look in history to see what happened to some of those party loyalists in Soviet Russia, Nazi Germany, and communist China that fell out of favor. Leon Trotsky, Nikolai Bukharin, Grigory Zinoviev, Ernst Röhm, Gregor Strasser, Heinrich Himmler, Gao Gang, Peng Dehuai, and Lin Biao to name a few prominent examples. All party loyalists and important figures that were subsequently executed, assassinated, imprisoned, exiled, or committed suicide to avoid worse punishment. The fact that the party mob wanted to hang VP Pence and is now booing McConnell (despite him doing, as you said, the most to advance their agenda) should be alarming to everyone. This is not the behavior of a healthy party but rather behavior that closely resembles 3 of the bloodiest parties in history

https://old.reddit.com/r/politics/comments/1e464ec/sen_mitch_mcconnell_booed_at_republican_national/

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ivan commented Jul 16, 2024

If you think you're enlightened try finding a parking spot downtown on a one way street when you're late for your meeting and there's plenty of cars waiting behind you

this just in: I'm nowhere near as chill as I'd like to believe, I'm just really good at avoiding driving and other stuff that stresses the hell out of me

I am SHOCKED to discover that getting good at feeling calm and peaceful while sitting and doing nothing does not automatically translate to feeling peaceful while you're out in the world and doing stuff

https://x.com/made_in_cosmos/status/1806253216998318157

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ivan commented Jul 16, 2024

There's an idea in programming language design called Wadler's Law, which is that the majority of discussion is on syntax and not semantics. I imagine this applies to configuration too: the majority of time spent "tinkering" is on layout and coloring and not on changes to the tool's behavior. This is a trap. You get the most value of "configuration" when you use it to improve your workflow.

https://buttondown.email/hillelwayne/archive/keep-perfecting-your-config/

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ivan commented Jul 16, 2024 •
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How To Noclip [in The Witness]

  1. Open the steam console by going to "steam://nav/console" in a browser and then opening in steam.
  2. Copy in download_depot 210970 210971 4660219967587740136 and press enter.
  3. While waiting for the network usage in steam's download in the library to stop, go to "C:\Users\[Your Username]\AppData\Roaming\The Witness" and move all the files out of here somewhere else (this is an old version so it can't read your saves and may corrupt them). Should you want a save with most puzzles completed, all lasers completed, all obelsks activated (but none completed) that is compatable with this version, one can be found here http://www.filedropper.com/witnessnoclipsave.
  4. Go to "C:\Program Files (x86)\Steam\steamapps\content\app_210970\depot_210971" and open either "witness_d3d11.exe" or "witness64_d3d11.exe"
  5. To active noclip, hold down shift, press period (.) then let go of all keys and press "m". To deactivate, click (make sure there's solid ground beneath you), then to reactivate just press m while pressing no other keys.

https://old.reddit.com/r/TheWitness/comments/au30c9/how_to_noclip/

The syntax to the "download_depot" command is as follows: download_depot <appid> <depotid> [<target manifestid>] [<delta manifestid>] [<depot flags filter>] : download a single depot You only need to worry about the first three arguments to it.

https://old.reddit.com/r/Steam/comments/611h5e/guide_how_to_download_older_versions_of_a_game_on/

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ivan commented Jul 17, 2024

"This is not acceptable!" I screamed as Kathy drowned

https://x.com/Horse_ebooks/status/154826371431022592

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ivan commented Jul 17, 2024

wow, they used to agree with me, and now they don't. I can't believe they lost their way.

https://old.reddit.com/r/slatestarcodex/comments/17da5r9/peter_thiel_reflects_on_funding_miri_and_yud/

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ivan commented Jul 17, 2024

The question they set out to answer was "How can humanity create an aligned machine intelligence?" The answer MIRI reached was "We can't." That seems like a totally appropriate/within-scope potential conclusion at which to arrive given that original objective.

https://old.reddit.com/r/slatestarcodex/comments/17da5r9/peter_thiel_reflects_on_funding_miri_and_yud/

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ivan commented Jul 18, 2024

  1. When there were people who actually did something negative to me, I'd do them favors or buy them gifts. This sounds crazy, but it worked quite well, and is precisely the spiritual jiujitsu Christ recommended in his sermons.

In high school I attended an all girls’ boarding school. There was a girl who was absolutely insufferable, not particularly intelligent or nice, tiresome, irritating, and I had several classes with her. One evening I told my mom over the phone that I felt badly because I truly hated this girl, and did not know how to move past it. Hating her made me miserable, I felt small and mean. My mom told me to buy her a candy bar, write an encouraging note and leave it anonymously in her school mailbox. I thought this sounded crazy, and didn’t really want to do it, but I did anyway. And it was incredible, the feeling of hatred I had for this girl completely vanished, almost instantly. Hatred is a heavy thing to bear and I learned more from this experience than perhaps anything else that year.

https://x.com/Rquietlyreading/status/1813733643090633039

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ivan commented Jul 18, 2024

gwern suggests that OpenAI has lost its mojo, along with the key employees that made it extraordinary a few years ago. Plausibly it’s now a zombie cargo ship cruising on momentum.

This is a fascinating essay from the person who, more than anyone, predicted the dramatic AI progress in 2021-22. That took pretty much everyone outside OpenAI (including me) by surprise, and apparently most of the OpenAI people as well.

https://substack.com/profile/2269869-david-chapman/note/c-60184177

Apropos of Sutskever now having left OA for good, I've gone back to my thinking about the long-term consequences of Altman's coup, and something I began to wonder in 2021 when the news about Anthropic broke: what if "the elves have left Middle Earth"? What if OA has lost its mojo? If so, what would that look like, and how would we know? What's the "rot" narrative?

Maybe I am a bit too easily impressed by how good gpt-4-base and Claude-3.5-sonnet are at poetry compared to the ChatGPTs, but I can't help but wonder if the OA magic has worn off since GPT-4 finished training c. August 2022. What made OA OA in 2020 was that it had taste: it had much less resources than competitors like DeepMind or Google Brain or FAIR, but (thanks to Alec Radford, Ilya Sutskever, Jared Kaplan, and the RLHF-focused safety team like Paul Christiano & Dario Amodei, and fellow-traveler scalers like Andrej Karpathy etc) they bet big on scaling laws & unsupervised learning at the moment those suddenly began to work. Without taste and agility—or you might say, "without its people, OA is nothing"—OA doesn't have that much of a moat.

And most of those people are gone, and the survivors are being policed for leaks to the media, and now know that if they leave, OA management wants to gag them, and has the power to confiscate their vested equity, wiping out all their wealth (an ability they have confirmed and refused to promise to not use); they further have heard the rumors of Altman's mismanagement, lack of candor and broken promises to Superalignment, outside conflicts of interest, ScarJo, and divide-and-conquer management tactics—even if they do not credit this and believe Altman that he had no idea and some rogue lawyer is to blame, the psychological safety

[...]

https://old.reddit.com/r/mlscaling/comments/1djoqjh/ilya_sutskever_launches_safe_superintelligence_a/l9uogp9/

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ivan commented Jul 18, 2024 •
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I’m sorry. NGL, this is ridiculous. @ljharb please stop making this argument on behalf of “security” of the 99.9999% who don’t need this. You’re in search of an immutable JS runtime that doesn’t exist — and so your best/only bet is to save a reference to every possible runtime API, effectively doubling the runtime itself & adding overhead to all function calls. Users of this (and presumably other, given your philosophy) code are suffering from significantly slower & heavier JS. Stuff like this validates the main criticism (and generally, misconception) of JavaScript — that it “is” slow & bloated. It’s not & doesn’t have to be. Given that you’re on TC39 and actively involved in pushing new language features re: simplicity (thank you 🙇‍♂️), I find it especially odd/contradictory that it’s often your modules that do stuff like this, holding onto Node <= 4.x support (security patched ended 6 years ago), etc. This holds the entire ecosystem & language back… while you (and others) are simultaneously trying to improve, simplify, and lean out the language… huh?

You should let actual security audits defend against the bad actors you’re so eager to defend. That will remove offenders at the source instead of duplicating defenses at every node_module fence.

I’d advise you reinvest the passion/effort into tooling that lints for prototypal mutations. With your skill set and influence, i can definitely imagine it becoming some kind of badge / standard that users expect to see when filtering dependencies. The same tool can be used for application audits to protect the userland glue code between libraries. This way everyone has a collection of green check marks instead of a mountain of saved “require time” function references and/or redundant 50kb+ native polyfills simply because they don’t trust their environment nor the 100s of coexisting modules.

A11yance/aria-query#497 (comment)

At the time of this writing installing eslint-plugin-react pulls in a whopping number of 97 dependencies in total. I was curious about how much of these were polyfills and began patching them out one by one locally. After all was done, this brought down the total number of dependencies down to 15. Out of the original 97 dependencies 82 of them are not needed.

https://marvinh.dev/blog/speeding-up-javascript-ecosystem-part-6/

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ivan commented Jul 18, 2024

interesting to me that the "building a second brain" ppl consider the brain's primary activity to be associative information storage and retrieval, and not coordination of a system of sensory impulses

the brain's associative memory functionality might be considered primary only in one special state: dreaming

perhaps they're not building a second brain, but a more perfect dream?

https://x.com/qorprate/status/1814052577396318314

someone please build me a second prefrontal cortex

https://x.com/babarganesh/status/1814064513622405617

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ivan commented Jul 19, 2024

Due to the use of a controversial value in the certificate extension 2.5.29.9, to meet the first point of BR 7.1.2.11.5, we have decided to remove the extension after discussion.

https://bugzilla.mozilla.org/show_bug.cgi?id=1903066

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ivan commented Jul 19, 2024 •
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You will need to do the manual update and change of the file listed in the TA. Its not pretty, I'm looking at about 5,000 machines offline.

[...]

For us, it's thousands of end-user devices geographically distributed all over Australia. All BitLocker protected.

This is probably going to take a week or two to get everyone back up and running.

https://old.reddit.com/r/crowdstrike/comments/1e6vmkf/bsod_error_in_latest_crowdstrike_update/

With cybersecurity like this, who needs criminals?

a comment in https://www.youtube.com/watch?v=0ZZBdGRnScA

Wow, this hits close to home. Doing a page fault where you can't in the kernel is exactly what I did with my very first patch I submitted after I joined the Microsoft BitLocker team in 2009. I added a check on the driver initialization path and didn't annotate the code as non-paged because frankly I didn't know at the time that the Windows kernel was paged. All my kernel development experience up to that point was with Linux, which isn't paged.

BitLocker is a storage driver, so that code turned into a circular dependency. The attempt to page in the code resulted a call to that not-yet-paged-in code.

The reason I didn't catch it with local testing was because I never tried rebooting with BitLocker enabled on my dev box when I was working on that code. For everyone on the team that did have BitLocker enabled they got the BSOD when they rebooted. Even then the "blast radius" was only the BitLocker team with about 8 devs, since local changes were qualified at the team level before they were merged up the chain.

The controls in place not only protected Windows more generally, but they even protected the majority of the Windows development group. It blows my mind that a kernel driver with the level of proliferation in industry could make it out the door apparently without even the most basic level of qualification.

https://news.ycombinator.com/item?id=41007570

The thing that amazes me is how they've rolled out such a buggy change at such a scale. I would assume that for such critical systems, there would be a gradual rollout policy, so that not everything goes down at once.

Lack of gradual, health mediated rollout is absolutely the core issue here. False positive signatures, crash inducing blocks, etc will always slip through testing at some % no matter how good testing is. The necessary defense in depth here is to roll out ALL changes (binaries, policies, etc) in a staggered fashion with some kind of health checks in between (did > 10% of endpoints the change went to go down and stay down right after the change was pushed?).

Crowdstrike bit my company with a false positive that severely broke the entire production fleet because they pushed the change everywhere all at once instead of staggering it out. We pushed them hard in the RCA to implement staggered deployments of their changes. They sent back a 50 page document explaining why they couldn't which basically came down to "that would slow down blocks of true positives" - which is technically true but from followup conversations quite clear that is was not the real reason. The real reason is that they weren't ready to invest the engineering effort into doing this.

You can stagger changes out within a reasonable timeframe - the blocks already take hours/days/weeks to come up with, taking an extra hour or two to trickle the change out gradually with some basic sanity checks between staggers is a tradeoff everyone would embrace in order to avoid the disaster we're living through today.

https://news.ycombinator.com/item?id=41004691

The CEO of Crowdstrike, George Kurtz, was the CTO of McAfee back in 2010 when it sent out a bad update and caused similar issues worldwide.

https://news.ycombinator.com/item?id=41008579

A colleague is dealing with a particularly nasty case. The server storing the BitLocker recovery keys (for thousands of users) is itself BitLocker protected and running CrowdStrike (he says mandates state that all servers must have "encryption at rest").

His team believes that the recovery key for that server is stored somewhere else, and they may be able to get it back up and running, but they can't access any of the documentation to do so, because everything is down.

https://old.reddit.com/r/crowdstrike/comments/1e6vmkf/bsod_error_in_latest_crowdstrike_update/ldw96jt/

Some guy up there suggested converting [BitLocker recovery keys] into barcodes and to use a barcode scanner. Might save some time.

https://old.reddit.com/r/crowdstrike/comments/1e6vmkf/bsod_error_in_latest_crowdstrike_update/ldx75ph/

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ivan commented Jul 19, 2024

It doesn't even work on newer Dell laptops, you just can't see the drive. Only workaround we had was to run install media and then run it from the command line there, because of Dell drivers.

The windows recovery partition on newer devices does not see the drives because Intel, in their stupidity, decided that most of newer devices should use Intel VMD/RST by default and not AHCI and Microsoft never included that driver in both the install media and recovery partition

https://x.com/SubZeroNexii/status/1814394934616830323

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ivan commented Jul 19, 2024

Imagine living your whole life, from growing up as a baby to a toddler to a child to an adolescent to an adult, gathering all of your experiences, your career, your family and friends, for it all to vanish instantly and you cease to exist because you got mad at a traffic stop. Your entire consciousness vanishing because you got mad over something that doesn’t matter. It’s actually quite mind-blowing to put yourself in those shoes, conceptually.

https://old.reddit.com/r/AllThatIsInteresting/comments/1e7apnz/indianapolis_driver_faces_no_charges_after/ldz0fao/

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ivan commented Jul 20, 2024

C coding tip: if you ever need arithmetic operations without implicit integer promotions, make a one-element vector type: https://godbolt.org/z/9bo648bsh

image

https://mastodon.social/@amonakov@mastodon.gamedev.place/112809365535996420

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ivan commented Jul 21, 2024

The secret to achieving speedups of multiple factors, not just low percentages, is less about applying generic rules or habits like “Don’t create closures inside for-loops”. It’s a common misconception that if you follow all these “best practices” that your code will be fast, because the uncomfortable truth in most instances (read not all) is that it won’t matter much. What makes code truly fast is being aware of what it’s supposed to solve and then taking the shortest path to achieve that goal.

https://marvinh.dev/blog/speeding-up-javascript-ecosystem-part-8/

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ivan commented Jul 21, 2024

console.count()

https://marvinh.dev/blog/speeding-up-javascript-ecosystem-part-5/

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ivan commented Jul 21, 2024 •
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We currently have an interesting bug on the BBC website where some users have a viewport that is, for example, 599.5px wide. So:

@-media (max-width: 599px) {}
@-media (min-width: 600px) {}

These users get no styles from either media query. I'm about to work on a fix.

https://x.com/JoshTumath/status/1801244891151782150

What about

@-media not (min-width: 600px) {}
@-media (min-width: 600px) {}

See the thread. That's effectively the solution.

https://x.com/lukedeentaylor/status/1801594689310617893

@ivan
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ivan commented Jul 21, 2024

Feature Comparison

This is a best-effort feaure comparison between rkyv, FlatBuffers, and Cap'n Proto. This is by no means completely comprehensive, and pull requests that improve this are welcomed.

Feature matrix

Feature rkyv Cap'n Proto FlatBuffers
Open type system yes no no
Scalars yes no yes
Tables no* yes yes
Schema evolution no* yes yes
Zero-copy yes yes yes
Random-access reads yes yes yes
Validation upfront* on-demand yes
Reflection no* yes yes
Object order bottom-up either bottom-up
Schema language derive custom custom
Usable as mutable state yes limited limited
Padding takes space on wire? yes* optional no
Unset fields take space on wire? yes yes no
Pointers take space on wire? yes yes yes
Cross-language no yes yes
Hash maps and B-trees yes no no
Shared pointers yes no no

* rkyv's open type system allows extension types that provide these capabilities

https://rkyv.org/feature-comparison.html

@ivan
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ivan commented Jul 22, 2024

I WANT TO SEE THE STUFF I DIDN'T WANT TO SEE!

a comment in https://www.youtube.com/watch?v=UT2GcoCJh5k

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