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How will modern civilization end?
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>>7652434
the answer starts with n
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>>7652437
Nukes?
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>>7652440
the second letter is i
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good people of /sci/ i need some coding help. i'm working on a project and i will be using trees, but i have some problem in my code i can't debug
typedef char labeltype;
typedef struct __celltype {
labeltype label;
struct __celltype *first_child;
struct __celltype *next_sib;
struct __celltype *last_child;
int zadnji;
} celltype;
typedef celltype *node;
typedef celltype *Tree;
node lambda;
lambda->zadnji=100; //ERROR
#define LAMBDA lambda
my compiler says that there is an error in the above marked line but i don't understand why. it says expected '=', ',', ';', 'asm' or '__attribute__' before '->' token|
||=== Build failed: 1 error(s), 0 warning(s) (0 minute(s), 0 second(s)) ===|
any help would be apreciated
17 Posts / 3 Images
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>>7652405
Have you tried moving the define to above where you first use it?
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>>7652415
yeah :/ exact same error
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>>7652405
>i
loser
>node lambda;
>lambda->zadnji
lambda is struct, not a pointer to a struct. To access data use "lambda.zadnji" or "(&lambda)->zadnji" not "lambda->zadnji"
Let's scientifically discuss logistics.
What math/algorithms are used? How do they predict arrival times? What do they do to handle fluctuations in demand (Amazon easily gets 10x normal orders around Christmas)?
11 Posts / 2 Images
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how can you predict when you land at airport XX although you've changed flights 5 times?
>scientifically discuss logistics
>scientifically discuss
>scientifically
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honestly there are just factories of people that sort shit for trucks 3-4 times a day, and then a preload in most places, some nodes along the way are automated, some are post air mail, the point is each mode of transportation is a puzzle piece with a logical numeric value, and useing all of your pieces you
A. Have a computer plot out the best possible route( UPS implemented this for small brown trucks), and international node transfers alike.
B. You operate in a more domestic capacity, and have each mail truck play zone defense on the mailboxes.
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>>7652344
Also theres a fucking ton of auto scans along the way so your logistics division can just mainline data livefeed, generate a plan of action based on the past, and future trends.
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>school gets $40,000,000 in tax dollars
>doesn't spend it on new academic facilities, better teachers, new learning aids, etc
>spends every cent on a fucking stadium for 15 year olds in pads to run into each other for 3 hours for 6 friday nights out of the 52 in a year
why is this allowed?
97 Posts / 12 Images
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Because it will turn a larger profit
See ya later
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>>7652288
If it turns a profit, why did the city need to pass a new tax to support it?
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>>7652283
That's a really neat looking stadium though.
Also nepotism.
The guy actually has a good point. Geometry is not Empirical.
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>>7651803
Obviously.
sage
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That’s what math is— wondering, playing, amusing yourself with your imagination. For one thing, the question of how much of the box the triangle takes up doesn’t even make any sense for real, physical objects. Even the most carefully made physical triangle is still a hopelessly complicated collection of jiggling atoms; it changes its size from one minute to the next. That is, unless you want to talk about some sort of approximate measurements. Well, that’s where the aesthetic comes in. That’s just not simple, and consequently it is an ugly question which depends on all sorts of real-world details. Let’s leave that to the scientists. The mathematical question is about an imaginary triangle inside an imaginary box. The edges are perfect because I want them to be— that is the sort of object I prefer to think about. This is a major theme in mathematics: things are what you want them to be. You have endless choices; there is no reality to get in your way.
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>>7651803
No shit, retard. None of math is empirical. Science and math are different things and Math is vastly superior because it relies solely on priori truths.
Have fun doing repetitive lab experiments for the rest of existence.
blackbird
Navier-Stokes Solution? 2015-11-11 02:39:22 Post No.7651800
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Navier-Stokes Solution? 2015-11-11 02:39:22 Post No.7651800
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Hello!
I am sharing draft of Navier-Stokes Existence and Smoothness problem solution:
navier-stokes.ateravis.com
Any feedback is much appreciated!
BB
56 Posts / 8 Images
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>>7651800
Oh look its this guy again
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>>7651800
Is this a legit attempt or did you seriously waste time writing 80 pages of bullshit?
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>>7651800
hi my name is Terence tao. This solution is absolutely incorrect. please stop trying to further it
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Yes, it's another free will thread.
Do you think we will ever understand "free will"? Will we ever be able to say whether or not it exists?
23 Posts / 4 Images
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>>7651255
Well I believe time travel to the past is impossible because some events are random, therefor free will (randomness) exists.
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>>7651255
Because we cannot predict the future, even if we decide it to be unchanging and predetermined, predetermined fate is not a constructive thought model.
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http://scitation.aip.org/content/aip/journal/jmp/56/11/10.1063/1.4930800
>A famous pre-Newtonian formula for π is obtained directly from the variational approach to the spectrum of the hydrogen atom in spaces of arbitrary dimensions greater than one, including the physical three dimensions.
Do what do you guys think?
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>>7651211
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>>7651217
>implying there were rocky planets 1e+10 years ago.
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>>7651239
senpai, those early rocky planets are now floating in space as debris from the interstellar wars.
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I have a question about the multiverse theory. How would a species even test for a multiverse? By definition doesn't it mean every universe is completely separate? So here's a multi-part question, feel free to address whichever one you want.
1. How do scientists today test for multiverses? or alternate(higher) dimensions?
2. How would a highly advanced species test for it, like say humanity in 500 years if we advance into space and dont destroy ourselves
16 Posts / 3 Images
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no one has anything to say?
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maybe you guys arent as smart as i thought
I have read before that human legs and the human gait make humans the most efficient land mammals in terms of moving around.
Is this true?
If not, what do you think is?
Also, what do you think is the least efficient land mammal/animal?
41 Posts / 3 Images
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>>7651045
The only animal that can run farther than a human is a horse
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>>7651045
this shows you how poor mammals are when you think about how much more efficient a bike is than our fucking legs.
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>>7651794
Science can't explain Bikes.
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Is there a scientfic reason why code monkeys like Fritos, Tab and Mountain Dew?
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>>7650959
Code monkey very simple man.
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>>7650959
>Mountain Dew?
Lotsa Caffeine
>Fritos,
Need salty to balance sweet.
>Tab
Thatsa myth.
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soda + vending machine
the only food/drink in the building
ITT: We post puzzles and complete proofs/explanations of them. I'll kick us off with an old favorite.
Find all positive integers [math]x,y[/math] such that [math]x^y=y^x[/math].
87 Posts / 9 Images
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>>7650828
If you looked at this picture and thought this was a Pedo and not a father taking his daughter to swim in a lake or river in a park and teach her the beauty of nature, you are a sick fuck and part of the problem in society.
ylogx = xlogy
y/x = logy/logx
something something
z
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I'm a complete amateur so I'm just gonna try to set the thing up. Please correct me if I fuck it up.
P(x) = x^y=y^x
Base case: P(0) = 0^y = y^0
0 = 1;
It fails the base case. Proof by induction?
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>>7650828
2 and 4 are the only solution
I can't prove why that is though
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Was he the smartest man to ever live?
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tesla as for he materialized many smart-mans theories. imho he was a good man too.
but now I can't tell anymore, since theoretic scientist keep redefining what absolute intelligence is...
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>>7650512
Make your own definition.
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>>7650509
Yes, he fucking was.
Now delete this dumb thread
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Newfag here,
how can I get into CAD?
Which Software is the best for a newfag?
35 Posts / 3 Images
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i prefer AutoCAD desu
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Just go for the AutoCad.
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>>7650456
I use TotalCAD. Seven quid from Maplin.
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So everyone is busy discussing the memedrive but what happened to this?
Any news on the lockheed fusion reactor? Will it ever come true? Do fusion reactors violate any laws of physics like the memedrive does?
While travelling in our solar system quickly would be great I think the short-term implications of basically free energy would be a lot bigger.
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>>7650177
I'd be interested in learning how they designed that.
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>>7650177
Don't post such explicit pornography Anon.
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>>7650177
>>Any news on the lockheed fusion reactor?
nope, lockheed doesn't seem to serious.
>>Do fusion reactors violate any laws of physics like the memedrive does?
go outside and look at the sky when it's not cloudy. You will either see one or dozens of fusion reactors.
>>While travelling in our solar system quickly would be great
fusion can do this too.