Viewing profile — mbell
mbell
HN member- Joined
- Fri, Apr 15, 2011, 5:46 AM UTC
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- 5,270
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About mbell
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Recent public activity
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Comment #43132458
> Rails has started to show its age amid with the current wave of AI-powered applications. It struggles with LLM text streaming, parallel processing in Ruby Not at all my experienc…
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Comment #41905446
Armchair aerospaceing here, but it feels like he's a whole class of positioning sensors in this analysis. It seems to be you only need GPS and related absolute positioning systems …
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Comment #41386722
> Sqlalchemy stands out as a library having probably one of the most complete and pragmatic APIs for database access across all languages. I can't disagree more. Identity map based…
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Comment #40517142
I'm not sure what the current state of things are since I haven't use MySQL recently but this used to be a perfectly valid thing to do. The issue was that MySQL doesn't use a full …
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Comment #39318493
"If addition doesn't work, I have no way of reasoning about anything in a program." Hardware addition is filled with edge cases that cause it to not work as expected; I don't see i…
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Comment #36497972
We used InfluxDB back in the 0.8/0.9 days and it worked really well, scaled nicely with the large number of metrics we were storing. The switch to a tag based architecture in 1.0 c…
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Comment #36145131
I've tried using OpenAPI a few times, it's been...lackluster... I probably won't use it again. Here are my gripes: 1) For me one of the biggest selling points is client code gen ( …
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Comment #35834022
The biggest issue with current attempts at typing in Ruby is the choice of a nominal type system. If there ever was a language that called for structural typing, it's Ruby.
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Comment #33846099
> Our test harness didn't catch it (weird combination of reasons, too long ago for me to remember the details) & it rolled out. This is why I'm pretty dogmatic about variable compa…
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Comment #33835902
(500mi / 6.5mpg) * $5.313 = $408.69 6.5mpg - I just Googled average MPG for a fully loaded Semi, could be wrong. $5.313 - Most recent highway diesel price ( https://www.eia.gov/pet…
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Comment #33365252
Client side validation, regardless of the technology used, is a performance and UX optimization. The backend must always validate and it's this validation that matters for any sort…
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Comment #30981697
> In React 17, React automatically modifies the console methods like console.log() to silence the logs in the second call to lifecycle functions. However, it may cause undesired be…
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Comment #29902271
"Any idiot can build a bridge that stands, but it takes an engineer to build a bridge that barely stands." - Someone
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Comment #29768469
Not with PG. A couple weeks ago I was working on a project that used truncation cleaning, the test suite took 3m40s. I switched it to cleaning with transactions and the the test su…
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Comment #29765253
Truncating the DB between every test is indeed horrifically slow. However it's much faster to wrap the test in a transaction and roll it back at the end. Transaction based cleaning…
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Comment #29697813
I would say that pulse-density modulation is more of an abstract concept and sigma-delta is a particular implementation. Or in other words, sigma-delta is a one technique used to p…
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Comment #28800716
Tablespaces allow you to store tables in defined directories on the file system. What I was talking about is controlling the ordering of the rows within a table on disk. If you are…
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Comment #28778670
Notion seems like an interesting data storage problem. The vast majority of the data is in the `block` entity, which are organized into a sort of nested set, written/updated indivi…
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Comment #28483836
That quote is a bit of a cherry pick resulting a wide interpretation that isn't supported. The actual ruling is something more like "Epic failed to prove that Apple is a monopoly i…
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Comment #28463526
Is there is a solution for using `docker-compose` on mac with podman? I know that podman supports it natively now, and there is `podman-compose`, but I couldn’t find much on gettin…
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Comment #27626254
Regarding Devise + Rails cookie session store: 1. Logging out deletes the cookie, you are really logged out. If your session cookie got stolen, you have other issues but I don't th…
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Comment #27386941
That was true of older systems, most newer adaptive cruise control systems I've used have no issue with stop and go traffic.
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Comment #27143988
What I use for https: $ ruby -r webrick/https -e "WEBrick::HTTPServer.new(Port: 9001, DocumentRoot: '.', SSLEnable: true, SSLCertName: [%w[CN localhost]]).start"
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Comment #26380817
> I just think that this person just spent hours upon hours of their life working around a quirk in our current society. I think this is a truism. Much human activity could fall un…