mrcactu5

5 ms·

1.
by mrcactu5 6y ago
There's a random shuffle function. Instead of writing one out using an algorithms textbook. Lots of data types get randomly shuffled during coding. Shuffles arrays and lists. https://numpy.org/doc/stable/ref
2.
by mrcactu5 6y ago
has anyone seen "The Stacks Project" ? it's very technical but it's nice and collaborative https://stacks.math.columbia.edu/
3.
by mrcactu5 6y ago
here's a Linear Algebra course from Columbia University with a bit of computer science emphasis. https://tonydear.github.io/teaching/coms3251
4.
by mrcactu5 6y ago
there are lists of math and physics textbooks on github. maybe these are helpful https://github.com/carlosal1015/Books
5.
by mrcactu5 7y ago
what are the good freshmen level chemistry textbooks these days ?
6.
by mrcactu5 7y ago
Everybody drinks soda misses the garbage can, so these people are making the bottle and can recycling market more efficient.
7.
by mrcactu5 7y ago
if all I want to to is build a Super Mario clone is the knowledge of the 6502 assembly language still necessary ?
8.
by mrcactu5 7y ago
Here's a scissor's congruence app on github https://dmsm.github.io/scissors-congruence/
9.
by mrcactu5 7y ago
last year's US Sudoku Team Qualifier was held online at some point. Possibly in May or July. http://wpc.puzzles.com/ussq2019/
10.
by mrcactu5 7y ago
is Levenshtein distance a "metric" in the sense of "metric spaces"? For example, the TaxiCab metric. https://en.wikipedia.org/wiki/Taxicab_geometry https://en.wikipedia.org/wiki&#x2
11.
by mrcactu5 7y ago
This shows the thrown ball (from Freshman physics) should follow a parabolic arc rather than a straight line. https://en.wikipedia.org/wiki/Principle_of_least_action
12.
by mrcactu5 7y ago
how does this compare to Fast Fourier transform ? https://en.wikipedia.org/wiki/Fast_Fourier_transform Or the Discrete Cosine Transform ? https://en.wikipedia.org/wiki/Discrete_cosine_transform Or
13.
by mrcactu5 7y ago
He does a numerical computation of the complex powers of 10 (to five decimal places) and they still are on the unit circle. And this was done in 1963.
14.
by mrcactu5 7y ago
http://mathworld.wolfram.com/PerpendicularBisector.html
15.
by mrcactu5 7y ago
https://regexper.com/
16.
by mrcactu5 7y ago
Robert Ghrist has written an colorful and innovative calculus text. https://www.math.upenn.edu/~ghrist/calculus.html https://www.math.upenn.edu/~ghrist/notes.html https://sites.math.was
17.
by mrcactu5 7y ago
what motivates all these esolangs? these fractals tend to be coding exercises. https://en.wikipedia.org/wiki/Hilbert_curve https://en.wikipedia.org/wiki/Dragon_curve
18.
by mrcactu5 7y ago
these are called "Janus words" or self-antonyms. Such as "flammable" and "inflammable". https://en.wikipedia.org/wiki/Auto-antonym
19.
by mrcactu5 7y ago
does the United States have any such programs?
20.
by mrcactu5 7y ago
i got into a nice college, and they even gave us financial aid. the job market was unforgiving.
21.
by mrcactu5 7y ago
i've always wondered how web and functional programming interact. there's, for example TypeScript and Elm. These are not designed for mathematical proofs. https://www.typescriptlang.org/ https://elm-l
22.
by mrcactu5 7y ago
here are some pages that might be relevant https://ncatlab.org/nlab/show/tensor+network https://ncatlab.org/nlab/show/string+diagram
23.
by mrcactu5 7y ago
Here's some notes from Harvard on how to count Rubik's Cube positions with Group Theory The number is: 2^(12) 3^8 8!*12! http://www.math.harvard.edu/~jjchen/docs/Group%20Theory%20an...
24.
by mrcactu5 8y ago
a simple arithmetic computation shows that Europe has 750 million people, and the world has 8 billion people. That's 1/10 of the population. We neglect about 90% of people in... anything. South America has 500 million people, s
25.
by mrcactu5 8y ago
Flow Machines is an AI music generator http://www.flow-machines.com/
26.
by mrcactu5 8y ago
why did they pick Clojure to do probabilistic programming? btw, Python programmers have the option of pymc3 https://docs.pymc.io/
27.
by mrcactu5 8y ago
at least on StackOverflow "computer science" and "computer programming" get different pages: https://cs.stackexchange.com/ https://softwareengineering.stackexchange.com/
28.
by mrcactu5 8y ago
Machine Learning Algorithms are severely racist towards defendants. We know, for example, that AI algorithms mistake Black people for primates... but they are no more racist than the criminal justice system at large. And they have a bette
29.
by mrcactu5 8y ago
github says 407 bytes... how is he doing that?? my HTML / CSS is nowhere near that level
30.
by mrcactu5 8y ago
if you are Amazon you don't have time to read all the reviews carefully. How do you detect such artificial "gaming" behavior? It's natural behavior for the sellers to try to boost their reviews (at the consumers expens

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