Retarded questions thread

isn't eugenics a better argument for the advancement of man when the take the feelings out of the argument? wouldn't any child want to be born smarter and stronger?

can any type 3 etc civilization ever be benevolent? or does it require domination and violence, and ruthless adherence to logic? does our intangible ''humanity'' make us human? is it holding us back?

There aren't "infinite multiverses."

There isn't a multiverse where earth is just a gigantic ball of human semen.

Why does everyone hate on C++ so much?

>>8298042
because it's un-orthogonal, which means there are a LOT of tools and ways to get the same thing done. this means that people WILL use it wrong constantly, and the average inept programmer will fuck shit up big time with it.

up from the very elegant C, it's a powerup that comes with huge ugliness, and down from an actual OOP language like C#, it's a confusing mess.

you really need to know what you're doing if you're going to be using C++.

>>8297980
Why don't my parents love me?

>>8298068
cuz u succ
git gud

>>8298055
Thanks, been wondering about that for a while. My first/last programming class was in C++, so I have no reference. Will be moving on to C and MATLAB next. Any advice for the transition?

>>8298075
for C, not really. C is a very simple, small language. the standard reference is "The C Programming Language", blue C over white background. coming from C++ it should be easy, and feel familiar.

for MATLAB, it's a very specialized language dealing with symbolic computation and high-level concepts. for example, expressions can be parsed as variables, functions are objects you can manipulate, etc etc. but the interface for the programmer in this kind of language is usually simple, especially if you're going to be using it for a class. just make yourself familiar with the MATLAB equivalent of the things you knew in C++ (conditionals, loops, variables, functions) and you're golden, you're basically going to have to learn specific MATLAB functions and know how to use them (for solving linear systems for example, this kind of language has a huge database of library functions for mathematical manipulation)

>>8298055
>this means that people WILL use it wrong constantly

>my way is objectively right and everyone else must conform!

>>8298081
Thanks!

>>8298042
Because it's very easy to be caught "copy and paste" cheating when use it. Brainlets in CS will of course hate it.

>>8298090
there are a few right ways to use a language, and a lot of terribly stupid ways to do so

File: Mount-Stupid.gif (31KB, 500x664px)

31KB, 500x664px

>>8298042

People love to mindlessly repeat things they've heard but don't fully understand.

>8298055
>C more elegant than C++
>C# more powerful than C++

8/8, gr8 b8 m8

does free will exist?

>>8298110
>8298055

what did he mean by this?

>8298113
doesn't even deserve (you)s

>>8298105
wasn't the original a little bit different?

the sentencea bout the civil war...

>>8298113
I lol'd, I'll give you one.

>>8298117
i like this meme

i call it the non quote meme

@8298123
i like the twitter meme better

File: ca.png (402KB, 450x484px) Image search: [Google]

402KB, 450x484px

>>8297980
It doesn't really change the probability one way or the other but since we don't know the probability, having an infinite multiverse allows the probability of life to be infinitely small while still making life on this planet a realistic possibility. With only one universe you wouldn't consider the probability to be extremely small since we exist.

"8298131"

I liked the Twitter one better

>I like to freestyle

>>8298075

To move from C++ to C, you just need to make your code uglier and more fragile.

>const size_t size=50;
>int* a = new int[size];
>delete [] a;
>a=nullptr;
becomes
>#define size 500
>if(size<=UINT_MAX/sizeof(int))
>int* a = (int*) malloc(size*sizeof(int));
>free(a);
>a=0;

>>8298081
>using loops
>in Matlab

Nigger, step away from the computer now!

>>8298014
Yes there is.

how is (1-x)^2 = (x-1)^2 ?
or (1-x)=(x-1)
1=x-1+x
1=2x-1
2=2x
x=1
1-1=1-1
What the fuck

>>8298161
factor out the -1
square it

>>8298164
oh shit duh. thanks

I did really well on the SAT at the time, how much studying does the GRE require?

>>8298152
> using arrays and not vectors
> using new...ever

>>8298186
>using vectors and not std::arrays
>using malloc ever

If you're going to use a C style allocater, then at least use calloc

I get the feeling I'm forgetting something from probability and my searches turn up nothing.

Suppose for a certain trial P(A) = 0.1
If I repeat the trial 15 times, the chance of at least one successful trial is 1.5, right?

I'm certain I'm forgetting something about there still being a chance that they all fail, so the probability tends towards 1 but never reaches it. pls halp

>>8298245
How on earth would the probability ever be greater than 1? At least one success is the complement of no successes at all, which is (0.9)^15. Therefore, the chance of at least one success is 1-(0.9)^15.

>>8298271
Thanks, I knew I was being stupid somewhere. What do I search to see this explained more formally?

>>8298245
At least once = not never.
Probability it doesn't happen at all = .9^15 = 0.205891132094649
Probability it happened at least once = 1-0.2 = .8

>>8298287
all you need is some common sense. draw a tree with the possibilities:

Trial 1:
0.1 chance (0.1 total) succeeds
0.9 chance (0.9 total) fails and goes to 2

Trial 2 (came here with probability 0.9):
0.1 chance (0.9 * 0.1 = 0.09 total) succeeds
0.9 chance (0.9*0.9 = 0.81 total) fails and goes to 3

Trial 3 (came here with probability 0.81):
0.1 chance (0.81 * 0.1 = 0.081 total) succeeds
0.9 chance (0.81*0.9 = 0.72 total) fails and goes to 4

and so on. as you see the chance of 3 failing is 0.72, meaning that the chance of one in three suceeding is already 0.28, not 0.3

>>8298271
>>8298294
Ok, but 1.5 would be the expected value for successful trials?

>>8298287
If you want a formal course on the subject, look up probability theory. Otherwise, an introductory course on probability and statistics might be what you're looking for.

>>8298299
No that would be 1/p = 10

>>8298299
Yes, but that's a very different question.

>>8298308
shit nigga what are you doing

>>8298308
That would be number of trials until the first success, not expected number of successes in 15 trials (.1*15).

>>8298305
Care to recommend one? I searched and didn't see anything helpful.

>>8298309
Cool. Seems primarily I just plain forgot about the distinction between EV and probability.

>>8298338
Can't help you too much, I took a college course on it and my textbook wasn't particularly great. Haven't watched this one, but MIT is usually a safe bet:
https://www.youtube.com/playlist?list=PLw1fyPVTTowrkyhzkc_PiItPm-S58_UQ1

>>8297980
>that gif
why is it missing the best part

>>8297980
>Retarded questions thread

How do cells "know" that they have to specialise? How is a blob of stem cells organised enough to get a very complex body right?

Is majoring in (E)CE the logical route in advancing society?

>>8297980
If there's an infinite amount of possible universes shouldn't there be a universe that destroys all other universes?

>>8298613
Anything that it acts upon would be part of the same universe by definition.