Viewing profile — pixcavator
pixcavator
HN member- Joined
- Tue, Feb 27, 2007, 8:54 PM UTC
- HN karma
- 396
- Public activity
- 345 items
- HN profile
- View on Hacker News ↗
About pixcavator
My relations with HN are complicated and are described here: http://inperc.com/wiki/index.php?title=Hacker_News.
http://www.hackernewsers.com/users/pixcavator.html
http://hnofficehours.com/profile/pixcavator/
Recent public activity
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Comment #3325749
>"economists asserting the difference between modeling human behavior vs. the behavior of physical objects" Is it really that different? Try to attach an object to several springs …
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Comment #3245361
And Amazon.
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Comment #3211064
Start big: "scientific research needs to be disrupted!" (a trendy word) How? At the bottom: "government agencies funding research should require that those submitting papers must p…
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Comment #3188329
>>Half a mil to learn about Poetry Writing. Sorry, but that's just silly. Except it's payed for by your taxes. Who is silly here?
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Comment #3187957
>>This is largely a topological problem: If you're surrounded by mountains... Topological or topographical? It's kinda both in your example.
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Comment #3183326
They can't give course credit or award degrees. There was a relevant quote posted recently by "tokenadult": “the diligence of public teachers is more or less corrupted by the circu…
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Comment #3180124
But it's OK for doctors, lawyers and their clients to do that?
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Comment #3179998
I find this kind of reports very encouraging. I think the future of education is professors becoming free agents in a free market. Really, why can a lawyer set up his own firm or a…
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Comment #3173422
>>My cofounder, Ryan, has spent the past couple of years helping developers at Columbia learn how to apply their theoretical computer science skills to actually programming. He’s t…
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Comment #3171950
>>if it was funded by someone else (e.g. the public) then my view is that everyone who contributed to funding that research should have the ability to access and use the results. I…
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Comment #3134530
Non profit != no charge
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Comment #3133053
Why would it be more impressive? Because paying customers vote with their money. Money is a better validation than "you're great!".
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Comment #3132825
I'd be much more impressed it these (or at least a part of them) were paying customers.
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Comment #3120567
I'd take a good book over this any day.
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Comment #3103555
>>a list of people's heights isn't going to follow the distribution. Try centimeters.
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Comment #3098605
Here's a relevant image: http://inperc.com/wiki/index.php?title=A_common_view_of_digi... .
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Comment #3097062
It's actualy the latter, followed by the former -- on paper.
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Comment #3097035
Here’s a “Russian” problem: find the largest projection on the plane of a box with sides a, b, c.
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Comment #3063647
"European"? Are you ashamed of your nationality?
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Comment #3008655
Anything that requires extra work from students is no-go.
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Comment #2996077
Two pieces are rotated, that doesn't make the whole thing symmetric.
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Comment #2996070
I understand that they are "equivalent" in a certain sense, but "symmetric"?
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Comment #2993407
Did it ever occur to you that maybe you were able to handle PCA, CG, portfolio theory, etc because "Hefferon was my textbook for 2 full semesters"?