Viewing profile — mackman
mackman
HN member- Joined
- Wed, Feb 10, 2016, 1:11 PM UTC
- HN karma
- 917
- Public activity
- 124 items
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About mackman
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Recent public activity
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Comment #48707357
In theory the parsing could run at a low privilege level subprocess. Root/admin is only needed to get the bytes.
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Comment #47824303
The other interesting trick is you need a separate RNG for visual only affects such as particles than the one you use for the physics simulation. Depending on the game during repla…
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Comment #47824286
One of the hardest determinism bugs I had to solve on the PlayStation three was that the PPU and the SPU actually used a different instruction set and had a different internal floa…
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Comment #47824268
Instant replays that require long-term deterministic behavior have to be bit perfect in a way that is dramatically hard harder to implement if trying to also do network synchroniza…
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Comment #47777461
E13 was a great, simple, good looking WM I used for years. Eventually moved to Fluxbox then back to macOS when it went Unixy.
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Comment #47726148
You are comparing orbiting earth in a shuttle to a lunar flyby in a pod. Very different risk profiles.
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Comment #47719091
Messaging platforms where people receive and promptly respond to messages are more successful in the long run. That's why SMS overtook email. If you own a messaging platform there …
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Comment #46915051
OK who is gonna turn this into a functional terminal emulator for me?
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Comment #46178704
I was down there recently on a helicopter-based expedition and they set up a forward base of operations with a few days of emergency rations in case of unexpected weather that prev…
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Comment #45719377
The transit version of a turducken.
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Comment #45413813
As best I can tell we've never sold the same product twice. Product roadmap is "whatever the last person I spoke to asked for." And tech debt maintaining a grab bag of 5,000 almost…
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Comment #45082494
> It is possible to create threads by using the OS syscalls bypassing completely the requirement of pthead. (Un)fortunately, I couldn’t find any popular libraries that implement th…
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Comment #44961250
Is this just a case of waiting to stay private while still giving current employees some liquidity?
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Comment #44184610
Yeah I thought LIDAR was used for actual focus and depth map was then computed from the multi-camera parallax.
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Comment #43772009
CORE only works on kernels that support BTF. This post introduces one workaround which is to generate BTF data for kernels without it. That's still only half the problem though. Yo…
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Comment #43149558
As someone who studied physics and electronics for many years, I still appreciate an article like this for reminding me how profoundly weird science is. Working day to day with the…
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Comment #42405221
GitHub pissed me off recently by giving us a one month reminder of our renewal, but having required two months notice to reduce our number of seats. As a result, we are ending up p…
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Comment #41857423
If you exceed the inheritance tax exemption then you are taxed on the $10k so LTCG would be double taxing. You could argue that the inheritance tax should have a much lower exempti…
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Comment #41740043
Listen. If it’s never supposed to happen then you definitely want a customer to tell you if it happens. Best way to make sure that happens is to insult their mum. It’s just good en…
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Comment #41733679
The physics game sim step had to be hardcoded but you could vary the graphics rendering independently. That did mean you needed to use a different RNG for sim objects and graphics-…
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Comment #41733640
I implemented a debug replay system for an American Football game when I worked at Sony. The AI hierarchy and all animation and physics state was recorded and game could be rewound…
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Comment #41384010
"Smallest earnings beat"
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Comment #41119559
What industries/verticals are you looking in?
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Comment #41119547
> The Fed is independent of the Executive in the United States. That was high on Trump's list of things to change.
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Comment #40677325
Yep, all valid. When I started on it we had to do everything ourselves. But by the time I did serious dev on it our engine team had already build vector/matrix libraries that worke…