Daniel Feldman
@d_feldman
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Security engineering at Stealth Co. Always trying new things. Good takes are mine alone. Bad takes are someone else's. Fun web site:
Minneapolis
Joined November 2010
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Champions
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Pinned Tweet
Welcome new followers! Apparently the Cake of Fear has gone viral again. I think it lurks on Instagram and then occasionally reemerges and sweeps through Twitter.
Do you bake your cakes with butger and vedk? Then you might like my new site .
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Does anyone else feel like maintaining a house is an entire second, very expensive full-time job
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In 2020 Apple deleted Fortnite, which was literally paying them billions a year in IAP. They’d delete Twitter without blinking.
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I know no one's reading the article, but the woman featured makes $72,000 a year in a state job and still can't get an apartment near Seattle
I don’t think it’s ever been clearer just how much work we have to do to rebuild an actual society.
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Reminds me of the woman who played Tetris on her childhood Gameboy, nearly every day, well into her 30s
Then she entered a tournament and discovered she was the best in the world
Just chatted w/ someone who, a few years ago, started regularly playing foosball w/ a random group of guys at a nearby bar. He started off playing poorly but over time became decent. One day they told him he should play tournaments...
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A lawyer used ChatGPT to do "legal research" and cited a number of nonexistent cases in a filing, and is now in a lot of trouble with the judge 🤣
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in cities skylines 2, if you don't build enough low-income housing, people start moving into tents
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I've been told (many times) that "the good employees never get laid off." I hope this recent wave puts this to rest. Microsoft literally laid off the co-creator of DOM who had been with the company 28 years.
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I heard of a guy who was fired from a company and had a grudge
So he wrote fake Glassdoor reviews that were unrealistically POSITIVE
Overly high salaries, absurd benefits, fancy perks
They had trouble hiring for YEARS because candidates thought they were being lowballed!
i once worked at a company with bad glassdoor reviews so the CEO made us all go on glassdoor & write good reviews
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1990: The Internet is a magical distributed system that instantly routes around any instability, surviving lines being cut, servers crashing, and even nuclear war.
2021: Three companies own the internet and one of them broke.
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Only one person ever has tasted plutonium. It got on his face during an experiment gone wrong at Los Alamos, he had his stomach pumped and his breath tested as slightly radioactive for the rest of his life. He also was forbidden from working in a lab again. But he died at 87.
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In which a blogger finds the private key used to sign Hyundai car software updates … by googling it. They used a key pair from a popular tutorial. 😂😂😂
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fun fact: 79% of computer science grad students in the US are on F1 visas
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My friend in college rented a house owned by a kooky physics professor who did all the wiring himself
All the outlets were 240V with standard US plugs 😂
He warned guests not to plug anything in, ever!
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If you've ever installed a program using "curl XYZ | sh" don't worry about what's in the vaccine
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my favorite theory is
1) elon switched the site to prevent viewing from non-logged-in-users
2) the JS front end gets an error message if you're not logged in, and makes hundreds of repeat requests
3) elon misinterprets that as bot activity and adds strict rate limits
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exactly one person gets to call himself a rockstar developer
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Fortnite also had more monthly players than Twitter has accounts (and a good percentage of Twitter accounts are inactive)
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Aerospace engineering: We make a new plane every 25 years or so
Civil engineering: We build about new bridge a decade
Mechanical engineering: The principles of our field were all figured out by 1973
Software engineering: Have you switched to FooSnark yet? It came out on Monday
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On the left is GPT-3.5. On the right is GPT-4.
If you think the answer on the left indicates that GPT-3.5 does not have a world-model....
Then you have to agree that the answer on the right indicates GPT-4 does.
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Don't forget their page on e=mc^2
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FAANG is dead. Now it’s just Meta Alphabet Microsoft Amazon (MAMA)
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Microsoft: We have world class AI research
Google: We have world class AI research
Meta: We’re one or two steps behind in AI research
Apple: We’re not talking, but we have a bunch of AI research
Amazon: You bought a toilet seat last week, do you want a toilet seat this week?
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every software engineer's dream is to get rich, buy that goat farm in the country, and then retire to the server room in the basement of the goat farm so they can actually finally write code
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If you feed AI an MRI, it will happily write a detailed and very convincing diagnosis...
even if the patient is a dead salmon.
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The Etak was the first car "GPS" system, in 1985
GPS wasn't ready yet. So it used dead reckoning, combined with snapping to known roads.
It used an 8080 CPU, vector CRT, tape storage, and car wheel sensors
They had to make their own maps!
The cost was $1,400 ($4,000 today)!
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Bluetooth has a latency of about 1/4 second
So when you're watching a video, the computer measures the latency, then delays the video playback by that amount so lips and speech stay in sync 😱
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Interviewed a full stack developer and he couldn’t even write a program to detect if another program would ever halt or not. I mean come on. He’s so dependent on running the program and seeing if it halts, he was totally lost without it
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They could also gradually escalate, for example deranking in the App Store, disabling in Europe where Twitter is likely no longer GDPR compliant, or disabling Apple login
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Duolingo has been around for more than 10 years. Has anyone actually really learned a language from it?
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Move over, flat earthers. Roll over, moon landing hoaxers. There's a conspiracy theory that's somewhow even more insane.
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The original plan for food delivery apps was that they'd get so much volume, they'd be able to drive many meals per trip, and even be able to cook centrally to cut costs
But that never actually happened -- typically you're just buying an Uber ride for your food
What went wrong?
it costs $36.06 to get tofu pad thai on doordash, I don’t know how anyone affords this (and that’s with $9.24 saved by having “Dash Pass”!)
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most people who are homeless have jobs
most don't live in tents, they live in cars, motels, friends' homes, and other day-by-day situations
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We now know that the Titan submersible's carbon fiber hull basically exploded
You probably know that carbon fiber is prone to randomly shattering
So WHY did they use it for the Titan?
Fortunately, they wrote an article about why!
It starts with this guy:
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every house should have 2 dishwashers
just keep all the dishes in the dishwasher, and alternate clean and dirty dishwashers
a dishwasher is actually cheaper than an equivalent wood cabinet so the cost is not high
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$84,999 for a simple desktop computer in Joe Biden's America.
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fun fact: into the 1980s, the word “layoff” meant a temporary unpaid time off from a job, for example if a factory had overproduced and needed some time for demand to catch up
there was no word for mass firing of thousands of people, because that was not a thing that happened
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China's ICBC is the 3rd-largest bank in the world.
Their entire network was taken over by ransomware.
But they got back online quickly -- because their trading system used a Novell Netware server that the ransomware didn't understand.
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Ok this is slightly insane. OpenType (the common font format) actually supports simple scripts inside the font for complex characters and such. So a guy WROTE AN ENTIRE GAME INSIDE A FONT called Fontemon that you play by typing letters on the keyboard.
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If you stop and think about it, it’s really weird that every ISP and social media company and cloud provider and search engine work together to stop me from sharing illegal copies of Harry Potter, but credible death threats against specific people are easy to spread.
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an indian friend told me "americans don't hire maids and drivers and cooks because you believe in the dignity of work"
no, our inequality is low enough that a normal professional can't afford to hire maids and drivers and cooks 🙃
It really is insane how egalitarian the US is. The Indian scenario seems unthinkable because the percentage of Americans who can afford to hire even the poorest Americans for dedicated service work is so small *precisely* because the income floor is so high in America
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After publishing obviously AI-generated articles, Wikipedia no longer considers CNET a reliable source
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The kernel had a bug where it would crash on boot one time in every 1000
And this guy found it via bisection
Incredible
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Asked DALL-E 3 for the ingredients to make a cake.. the more you look the better this gets
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a company with this logo is now one of the most valuable in the world
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Rescinding job offers is really, really bad behavior. People move, turn down other offers, give up the opportunity for benefits, etc. based on having a signed job offer. It’s not illegal but it’s about the most unethical behavior I’ve seen from a large established employer.
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The problem with trying to sell developer tooling is that developers have no purchasing authority
Salesperson needs to spend $1000? No big deal.
Finance needs to spend $100,000? No big deal.
Engineer wants to buy a $50 book? They need forms signed from their VP in triplicate.
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A search for 'site: "as an AI language model"' yields some fun results!
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At a Unicode meeting in 2016, a mouse fell out of the ceiling and was added to the meeting agenda
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Google: We have the best AI in the world, we can show examples but you can’t have it
Tesla: We have an AI supercomputer but it doesn’t work
Facebook: We had 10k AI engineers but they all quit
IBM: Our AI works! We promise! Wink wink
Microsoft: Want some AI? That’ll be $26
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This turned out to be useful later on when he bought a whole restaurant kitchen at auction and used the basement as a soup kitchen to feed the homeless
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Is there a word for a person who is an introvert, but can fake being an extrovert for a short period of time, at the cost of being completely exhausted like they just ran a marathon over hot coals barefoot?
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there is probably at least one 25 year old who got a FAANG job in early 2020, then moved in with parents in a small town so they had zero living expenses when the pandemic hit, saved all the money, then just took a large severance package and is now permanently retired
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once I had a lyft driver who was an older guy
when he picked me up, he asked if he could get out and stretch for a minute -- i said yes
when we were in the car, he said he had been driving for 14 hours
he said "you just have to drive and drive until the app tells you to stop"
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I’ve used mean. I’ve used median. I’ve never, ever had to use a mode. Is this just a fake thing they invented so there would be 3 things to remember?
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True story:
I once had a Spotify account
It somehow got hacked and sold (I don't know how, I use strong unique passwords)
On Spotify, if two devices are signed into the same account, then they play the same songs simultaneously... so I had a way to communicate with the hacker
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Netflix seems pretty simple. It shows a web site with a bunch of movies, you click one, it plays it? How hard could that be? Shouldn’t take more than two engineers in a basement and a case of Jolt.
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The copyright strike system is not working and people are having fun with it
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the woman in the article did get an apartment at the end of the article
673 square feet for $2,360 a month in Redmond
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you could say her core problem was poor credit rather than lack of $
but they have the same root cause
if there were more housing, landlords would be willing to take people with less-than-perfect credit
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Please only apply for a Senior dev position if your Github looks like this...
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They also used a different key (symmetric) from a NIST reference document
This is not what “industry standard encryption” means 😂
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Figma is like a startup from an alien civilization
"What language is the web app written in?"
"C++"
"What kind of graphics primitives does it use?"
"Oh, we invented new ones."
"How does the massive database work?"
"It's just in postgres."
It's so weird lol
In 2020 Figma started hitting growing pains with their single managed Postgres database.
That means they managed to grow to a $2B company on a single mged instance.
I bet at they hired engineers around this time who grumbled about not picking a more ‘scalable’ tech.
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He eventually did a physics PhD, had a family and started an interior landscape company that was extremely successful, and died of natural causes. All while having a few micrograms of plutonium in his body.
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Need to look up directions but you left your phone at home and only have a dumb terminal? Never fear! You can just telnet to and get a zoomable world map, all in ASCII over telnet.
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this is the most black mirror thing that has happened to me in real life
he thought the computer told him what he had to do
but really he could stop at any time
but he didn't know
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Honestly his life story makes me want to try a little plutonium. Seems to have been an extremely successful guy!
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Every so often I remember that Dwarf Fortress is written in 700,000 lines of C by one math genius who doesn’t believe in libraries or version control and wonder if we’re all doing it wrong
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Early versions of BeOS occasionally crashed. Since they were presenting the system at trade shows, the team needed a quick solution. The answer: a crash screen that made it look intentional.
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This is a traffic light controller.
See the big box with a screen? That's a full Linux server running the lights.
See the smaller box to the right? It's a failsafe. Its only job is to make sure the computer doesn't turn on conflicting greens.
Does your system have a failsafe?
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Kubernetes seems pretty simple. I mean it just parses some YAML, runs Docker to start a couple containers.. how hard could it be? Shouldn’t take more than 3-5 engineers to build.
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"I once thought the aeroplane would end wars. I now wonder whether the aeroplane and the atomic bomb can do it. It seems that ambitious rulers will sacrifice the lives and property of all their people to gain a little personal fame." -- Orville Wright, 1946
Imagine showing this video to the Wright brothers
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Unfortunately, executives are making these decisions on a very short timespan, trying to weigh costs and benefits and avoid a lawsuit by targeting any one group more than any other. It ends up being pretty random
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Twitter is becoming a video-first platform, and also rebranding as X! If you want to search for the best videos, be sure to Google for "X videos" followed by your search terms for great results from Twitter!
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he was very tired
he didn't know you could stop accepting new rides at any time and go home
i wonder if he's still out there
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Digg was one of the most popular sites on the Internet in 2010. By 2012, its users had essentially all left, and the skeleton of the company sold for $500,000.
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I gotta say, while The Line is probably the most idiotic thing a country has ever done that doesn't involve a major war, I kinda hope it works
Latest construction photos of the Line / Neom
Those are going to need to be some hefty foundations if this ends up being 500m tall!!!
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So what happened? Either the monitoring system failed, or it worked and for some reason they didn't ascend in time.
We'll probably never know. And there will probably never be another carbon fiber sub after this disaster.
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AWS Technical Support is in us-east-1, so no one can open tickets
In other news there are no open tickets on today’s outage
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Since we're doing this again...
Feynman wrote about his discovery that John Tukey, a brilliant mathematician (inventor of the FFT), had no internal monologue
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This is a joke everyone! ChatGPT can’t explain how its brain works any more than I can explain how my brain works! Although I’m pretty sure my first ten neurons connect to make a cool S
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This is fascinating
Israel is spoofing GPS so that every receiver thinks its in Tel Aviv -- presumably so missiles will blow up early before hitting the city
A new form of warfare?
"Israel’s using widespread GPS tampering to deter Hezbollah’s missiles". This video seems to show GPS/GNSS spoofing around Israel, with many aircraft suddenly teleporting to a position in northern Israel. Video from
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If you want to work at large tech companies, learn AWS
If you want to work in government or at non-tech companies, learn Azure
If you want to work at cool startups, learn Google Cloud
If you want to work at Oracle, learn Oracle Cloud
If you want to be unemployed, learn IBM Cloud
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My friend sent me these pictures of his trip to Lake Geneva in Switzerland
Look at all these people cycling, sailing, swimming, and enjoying music around a pristine lake right in the middle of a major city
Not a car in sight
Unthinkable in America
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Q: Aren't you worried that with millions of people going into software development, all over the world, there will just be too many programmers?
A: Not really. Each new developer seems to create enough problems for 2 others to solve....
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Oh wow this seems to have hit a nerve. For context I live in a 100 year old house in Minneapolis, where the weather is trying to kill you constantly, and I don’t make the kind of money that would allow just completely renovating everything or paying a manager. Results may vary
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Meta has announced their new social network, Threads
Google has responded with their own new social network, Coroutines
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