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shagie
searching PlanetScale…
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37 ms
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481.
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shagie
11mo ago
> "One modern idea that O’Neill did not consider is to move server farms in space, where power is cheap and you can dump heat into space with a black piece of metal." Minor quibble - radiators are white in the visible spectrum.
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shagie
11mo ago
For 24/7 solar... you are either in a sun synchronous orbit or in a very high orbit. The sun synchronous are polar orbits ($$$) that are preferred for earth observation (so that the sun is casting the same shadows). As these are polar
483.
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shagie
11mo ago
I'd be most curious to see what type of processing power they would put on such a data center. For example, the JWST uses a RAD750 ( https://en.wikipedia.org/wiki/RAD750 ) which is based on a PowerPC 750 running a
484.
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shagie
11mo ago
> It feels like we (and I specifically mean the left) has decided ... I'm going to invoke Murc's law ( https://en.wikipedia.org/wiki/Murc%27s_law ) here and call out that this is an example of ascribing al
485.
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shagie
11mo ago
PBS Space Time has a hoodie for that... (the T-shirts are sold out). https://crowdmade.com/collections/pbsspacetime/products/pbss... Why Antimatter Engines Could Launch In Your Lifetime https://y
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shagie
11mo ago
Not easily. The tricky part is also in the relative numbers. The Voyager 1 data (and New Horizons data now) is in heliocentric velocity. The bit with NH being the fastest was with Earth centric velocity. Another part in this is the &qu
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shagie
11mo ago
That legacy of the Pale Blue Dot has been something that has been repeated to remind us again. I personally like the Cassini one - https://science.nasa.gov/science-research/earth-science/23ju... There's also
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shagie
11mo ago
It might have from time to time... but it had limited ability to track. As I type this, DNS Now is currently receiving data from Voyager 1. https://eyes.nasa.gov/apps/dsn-now/dsn.html https://imgur.c
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shagie
11mo ago
https://space.stackexchange.com/questions/33338/why-is-the-o... is a neat question that addresses this issue. And yes, the transmitters will need to be powerful enough be a distinct signal over the background of t
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shagie
11mo ago
Voyager 1 is traveling at 16.9 km/s. New Horizons (which has the distinguishing feature of being the fastest human-made object ever launched from earth https://www.scientificamerican.com/blog/life-unbounded/th
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shagie
11mo ago
More of the background of the project. The original register was a custom written C program running in DOS. It was getting harder and harder to find C programmers. The consultancy that had part of the maintenance contract with it was also
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shagie
11mo ago
One of the neat things that I've stumbled across is https://thinkzone.wlonk.com/SS/SolarSystemModel.php Make the model scale to be 10000000 (10 million). The sun is a chunky 139 meters in diameter. Earth is 15 k
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shagie
11mo ago
POS stands for Point Of Sales in this context. It was a linux running on (year appropriate) https://www.hp.com/us-en/solutions/pos-systems-products.html... - and add on all the peripherals. The POS software was s
494.
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shagie
11mo ago
Elsecomment I explained this more... It is as low risk as trying to use Windows and Microsoft Word with a keyboard and mouse mirrored to a Linux machine running Open Office and expecting the same results. You can't run the two systems
495.
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shagie
11mo ago
After thinking back on it, I think this was earlyish October. The code hadn't frozen yet, but it was getting increasingly difficult. We were in the "this was deployed to about 1/3 of the stores - all within an 8 drive of th
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shagie
11mo ago
Our reading of PCI DSS was that there was no development code in a production build. Having a --dry-run flag would have meant doing that. You could do "here is the list of skus for transaction 12120112340112345 - run this through the
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shagie
11mo ago
> I liked the humble, “lessons learned” tone of the post. > > every feature you add is a feature you maintain forever. ... until it becomes a security flaw. Log4shell (IIRC) goes back to a feature to do an indirect lookup of a stri
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shagie
11mo ago
PCI itself is Payment Card Industry. PCI DSS as noted is the Data Security Standard. https://en.wikipedia.org/wiki/Payment_Card_Industry_Data_Sec... The time it was in the transition between 2.0 and 3.0 (its been refi
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shagie
11mo ago
Not easily when issues of PCI get in there. Things like the credit card reader (and magnetic ink reader for checks), different input device (sending the barcode scanner two two different systems), keyboard input (completely different screen
500.
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shagie
11mo ago
> If you need to make a national payroll, you have to use it for a small town with a payroll of 50 people first, get the bugs worked out, then try it with a larger town, then a small city, then a large city, then a province, and then and
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shagie
11mo ago
> chatGPT definitely knows a ton about myself and recalls it when i go and discuss same stuff. In ChatGPT, bottom left (your icon + name)... Personalization Memory - https://help.openai.com/en/articles/8590148-m
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shagie
11mo ago
The six segment one... if you get going with it, it's not too difficult to read. There are some odd ones there, but it's surprisingly readable (some are easier than some of the seven segment letterforms).
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shagie
11mo ago
Andrew Glassner's Notebook: Recreational Computer Graphics is a really neat book (I especially like the tiles that can add numbers). The author's site is https://glassner.com/computer-graphics/ Chapter 6 i
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shagie
11mo ago
Saying "google them yourself" removes the ability for people to refute you and your stated position here. A surgical mask is most often used not to protect the surgeon but rather the patient from transmission from the surgeon
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shagie
11mo ago
No, it doesn't. It does serve as an ok proxy for "if I eat 600 calories, will I be hungry in an hour?" The people who are buying pizza or McDonald's aren't after healthy food. They know it isn't healthy. The
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shagie
11mo ago
The cost of time is something that's discounted ... and for some households, there isn't time (parents working two jobs type thing). One of the calculations in there is the dinner for 4 section of xkcd 980 https://xkcd.
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shagie
11mo ago
That's the idea behind meal prep Sunday... and you get things like https://www.reddit.com/r/MealPrepSunday/comments/1p365m1/ten... or https://www.reddit.com/r/MealPrepSunday
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shagie
11mo ago
It does seem a little bit high... but "two (large) coffees" comes in at $5.20 each and a large soda is $3.20 https://www.mac-menus.com/#McCafé-Coffees - that's not California prices though. Without additiona
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shagie
11mo ago
The per person time commitment and food options for cooking for one is difficult. I would contend it's harder to cook a balanced meal for one person than it is for a family of four. Buying things with portions for single servings ha
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shagie
11mo ago
In my sibling comment, I linked the chat session where I prompted ChatGPT for possible answers and reasoning. https://chatgpt.com/share/6920b9e2-764c-8011-a14a-012e97573f... Given the following riddle, identify t
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