jordigh

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421.
by jordigh 7y ago
C-S-backspace C-y C-y That's simple by Emacs standards. :-) If you need it simpler, write and save a keyboard macro.
422.
by jordigh 7y ago
So the slides say... > Concurrency safety isn’t an accident. So far,only Rust has a good story on concurrency thanks to its type system. Is that really true? I've really enjoyed concurrency in D. http://jordi.inversethoug
423.
by jordigh 7y ago
It's a bit old and abandoned, by ymacs is another approach: http://www.ymacs.org/
424.
by jordigh 7y ago
> I feel like many of the text-mode browsers have failed to keep up with changing web standards Yeah, web standards such as images and video and audio. Not keeping up with those standards is kind of the point.
425.
NESert Golfing: mouse-compatible NES game(rainwarrior.itch.io)
1 points by jordigh 7y ago|0 comments
426.
by jordigh 7y ago
> git log --graph; not sure what the mercurial equivalent is, `hg log --graph` works
427.
by jordigh 7y ago
Please follow the links to answer your questions. That should help.
428.
by jordigh 7y ago
Behold the tremendous amount of effort for Mercurial: https://www.mercurial-scm.org/repo/hg/log?rev=py3&revcount=2... They've been porting hg into Python 3 for the last 10 years and are only now nearing c
429.
by jordigh 7y ago
I figured the notational confusion between the Hermitian transpose and the complex conjugate is kind of intentional, since moving from one side to the other of an inner product both conjugates scalars and is the adjoint of matrices, plus AA
430.
by jordigh 7y ago
No, Hermitian matrices can be over p-adics too. You just need an inner product so you can define a matrix to be self-adjoint, and you can define that inner product over p-adics. And the result is kind of funny, because although the statemen
431.
by jordigh 7y ago
I believe "speed up" in this sense is really akin to how Cramer's rule lets you write down a relatively neat formula for the solution of a linear system, not that it would actually help with performing the calculation numeric
432.
by jordigh 7y ago
You use \equiv for definitions instead of :=, ^* for complex conjugation instead of \overline, you refer to the Hermitian transpose as the adjoint, and you implicitly assume all matrices are over the complex numbers. There are also other li
433.
by jordigh 7y ago
Pretty cool. So if the eigenvalues aren't repeated, you get a formula for the eigenvectors of a matrix in term of its eigenvalues and the eigenvalues of its submatrices. It doesn't seem computationally useful, but its theoretical
434.
by jordigh 7y ago
Here's a slightly different and older take on the same problem: http://blog.rhodiumtoad.org.uk/2017/01/22/performance-issues...
435.
by jordigh 7y ago
Only if it's recent. After a certain amount of time, the software will allow reposts.
436.
by jordigh 7y ago
Okay, thanks. Mathematics Wikipedia is sometimes very biased towards certain points of view (usually more undergraddy, as evidenced by its insistence with the "abstract algebra" term), so I think it's being a bit too pushy wi
437.
by jordigh 7y ago
Okay, given this, I'm going to rewrite Wikipedia to say "in universal algebra", to disambiguate the context in which it's quoting Cohn.
438.
by jordigh 7y ago
I would expect an algebra to be at least a ring, i.e. an algebra over a field, a vector space with a bilinear product. If you just say plain algebra, I think matrices and vectors or similar. Most of the structures called algebras (e.g. bool
439.
by jordigh 7y ago
But you added extra structure: associativity. Cohn's definition doesn't. It just says "set with operations" (well, finitary operations, but that's kind of always implicit in the definition of "operation").
440.
by jordigh 7y ago
I think Wikipedia is wrong here. I never knew that anyone referred to any generic set with operations as an "algebra". That's a magma! An algebra has much more structure than any generic set with operations. Does this really
441.
by jordigh 7y ago
Fourier series and plasticity are very broad fields. They're almost top-level classifications in the MSC subject index. Remak's article mentions topics that are much more specific. Although to the uninitiated it may sound just as
442.
by jordigh 7y ago
Use +"quotes and a plus sign".
443.
by jordigh 7y ago
Let's not fall into denialism here. There's absolutely no doubt that being a Jewish woman mathematician in the 1930s was doubly difficult than being a male Jewish mathematician -- double the discrimination. Calling Geiringer'
444.
by jordigh 7y ago
While I don't doubt that Geiringer did a lot of important work, I'm a little frustrated with how difficult it is to read about that work itself. Look at a Wikipedia article about a relatively obscure mathematician, say, Robert Rem
445.
by jordigh 7y ago
Their poor issue tracker https://github.com/notepad-plus-plus/notepad-plus-plus/issue... after they published this: https://notepad-plus-plus.org/news/v781-free-uyghur-edition/
446.
by jordigh 7y ago
The CCP supporter are flooding the issues because of this: https://notepad-plus-plus.org/news/v781-free-uyghur-edition/
447.
Stand with notepad plus plus developer(github.com)
5 points by jordigh 7y ago|2 comments
448.
by jordigh 7y ago
We did. We rewrote it in Python 3. More seriously, there's also quite a bit of Rust now. https://www.mercurial-scm.org/wiki/OxidationPlan
449.
by jordigh 7y ago
Git is horrible to use. Few people like it, most only tolerate it. Regardless of how you feel about git, there's plenty of literature regarding how awful the git user experience is. Mercurial's greater modularity also has made it
450.
by jordigh 7y ago
> Mercurial had the strangest and most non-idiomatic Python I'd ever seen. It's not so bad. We just use a lot of abbreviations, but you get used to them. There's also a reason for a lot of the ways it's written: backw

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