psykotic

34 ms·

241.
by psykotic 14y ago
If you imagine an idealized light source, where photons come into existence out of nowhere, then there is no conservation of energy (energy is being created). But in a more realistic model where photons are emitted as a result of electron e
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by psykotic 14y ago
That's how I do my bookmarking with Chrome. I sync bookmarks across all devices and only customize the bookmark description (by appending a few tags) if the page title isn't identifiable enough by itself. Then I just search them using the a
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by psykotic 14y ago
> Desktop Macs (iMacs and Mac Pros) are much more difficult to upgrade than Linux/Windows desktops 'Much more difficult' is an exaggeration for Mac Pros. The biggest issue for gaming is the GPU. With Mountain Lion, you have seamless sup
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by psykotic 14y ago
> I think it's wrong when at 50 you write code for someone - not for yourself or your own company. If it's not wrong at 30, why would it be wrong at 50? Not every programmer sees their individual contributions as a stepping stone to bec
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by psykotic 14y ago
> I was actually considering writing a post entitled "4th Grade Writing Level: Why I Should Have Had an Engineering Major Write My YC Application". I still think that would be a good joke. Yes, suggesting that engineers have the writing
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by psykotic 14y ago
I looked at his posting history first before making an effort to communicate. He seems to have an extreme, hostile bias against theory but otherwise comes across as well-intentioned, if misguided.
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by psykotic 14y ago
If you are genuinely interested in examples of its practical utility, I suggest you lay out clear criteria for what would constitute acceptable evidence to you. It might also help to give examples of which non-trivial parts of mathematics y
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by psykotic 14y ago
You seem to have had a traumatic experience trying and failing to learn some mathematics. That sucks for you. Lots of people unfortunately go through that, but you seem to have developed a unique coping reaction. Rather than lay the blame o
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by psykotic 14y ago
> Yes, I implied infinite dimensions is useful. Linear algebra in QM tends to be infinite-dimensional. You don't have to appeal to QM for their usefulness. Function spaces are important in applied and computational mathematics because o
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The Next Twenty Years - Why the closed distribution model of Windows 8 is bad(mollyrocket.com)
2 points by psykotic 14y ago|1 comments
251.
by psykotic 14y ago
I sent in answers to help with your survey, but I'm highly skeptical of the statistical methodology. You are selecting for people who at least think they know the answers. My prediction is that you are going to see a rosy picture of the sta
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by psykotic 14y ago
> we can see from the trival case f(n)=3^n that O(3^n) is not a subset O(2^n) since 3^n > 2^n for all n as n approaches infinity, or there is no k such that is exists an n0, such that all n > n0 implies 3^n < k*2^n, therefor
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by psykotic 14y ago
What does that have to do with _anything_ said by either Chuck Moore or the person to whom you replied? I get that programmers (and I'm no exception) have a mental defect where they try to show how smart they are by compulsively interjectin
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by psykotic 14y ago
> a job with requirements that go on endlessly tops out at about $80,000/year An endless list of job requirements is a sign the company doesn't know what it wants, so it's hardly surprising they don't know how much to pay their programm
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by psykotic 14y ago
> Everyone is trying his best to be PC, but the real takeaway is that you have to be careful not to hire some ultra-sensitive pantywaist thug who publicly cries "racist" at every shitty joke, giving your company weeks of terrible PR to
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by psykotic 14y ago
> How so? The fact that the company is attempting to minimize legal liability doesn't mean that the contractor was truthful. Apparently the contractor was truthful enough to warrant firing four people. What's the likelihood of them thro
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by psykotic 14y ago
> Randian libertarian? To make my point, I was jumping to conclusions based on flimsy evidence. > You know, because I hate minorities and women's rights and I worship Ayn Rand. I don't believe you do any of those things. But I do be
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by psykotic 14y ago
It's a blog post, not a legal document, so what do you expect? I have gotten independent albeit second-hand verification of a few of the episodes. Ignoring that, I still see nothing to warrant accusations of whining and lying. People yellin
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by psykotic 14y ago
> Except for the pendant comment. That's just a case of taking yourself too seriously. Yet another nail in the coffin of his credibility. What nails? You're treating his every statement as suspect by default based on the racial, sexual
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by psykotic 14y ago
>And if you need to "produce" pi just remember pi/4 = 1 - 1/3 + 1/5 - 1/7... This converges too slowly to be practically useful. If you group the consecutive terms in pairs you get that the nth pair sums to 1/(2n + 1) - 1/(2n + 3) = (2n
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by psykotic 14y ago
> If anyone sent me an .rar these days, it would go straight into the Trash. So, a customer sends you a RAR file and it goes straight to the trash? You sound like a swell guy.
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by psykotic 14y ago
> used for things like the track in Mario Kart and F-Zero, or the worldmap in Final Fantasy 6 (while you're in the airship). Even the 3D plane effect in F-Zero and Mario Kart requires an hblank interrupt routine that changes the scale a
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by psykotic 14y ago
> coffee, known to improve insulin sensitivity Known? I've seen interventional studies on the effects of caffeine claiming effects in either direction. Here are two studies showing decreased insulin sensitivity: Effects of Coffee Consu
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by psykotic 14y ago
Dijkstra is cursing us from beyond the grave.
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by psykotic 14y ago
> Therefore, it might make sense to use the look-up table approach for densly populated areas to reduce the search time. Yes, that's my favorite way to apply hierarchical path finding. In the two-level path finding system I wrote for my
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by psykotic 14y ago
> btw, you've edited your response like 6 times now...everytime I try to reply there's new info in there! Sorry! The lack of preview for HN comments is hell for my iterative writing style.
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by psykotic 14y ago
Good luck precomputing all those pairwise shortest paths. Storing the table might not be too bad. But standard algorithms like Floyd-Warshall are O(n^3) in the number of vertices. There are faster algorithms based on fast matrix multiplicat
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by psykotic 14y ago
> OS X is still allowing regular people to install apps from whatever source they want, by default. You must not have used Mountain Lion. By default it won't let you run unsigned apps. You can turn that off in System Preferences under S
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by psykotic 14y ago
It's less of an issue with var declarations because of type inference. The bigger issue is with function signatures. Type signatures are mandatory there and you also have two levels of commas: func(a, b int, c, d bool). When it comes to syn
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by psykotic 14y ago
> Python has this problem too Python has had conditional expressions since version 2.5. Dumb example: def count(xs, p): return sum(1 if p(x) else 0 for x in xs)

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