math_dandy

6 ms·

31.
by math_dandy 1y ago
We have an Accessible Testing Center that will administer and proctor exams under very flexible conditions (more time, breaks, quiet/privacy, …) to help students with various forms of neurodivergence. They’re very good and offer a valu
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by math_dandy 1y ago
Centralization and IT-ification has made flouting difficult. There’s one common course site on the institution’s learning management system for all sections where assignments are distributed and collected via upload dropbox, where grades ar
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by math_dandy 1y ago
I teach math at a large university (30,000 students) and have also gone “back to the earth”, to pen-and-paper, proctored and exams. Students don’t seem to mind this reversion. The administration, however, doesn’t like this trend. They want
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by math_dandy 1y ago
Ok, now I understand your reply. In retrospect, you were being perfectly clear all along and my confusion was due to me not appreciating the precise definition of a CRDT. Thanks!
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by math_dandy 1y ago
Did you perhaps mean to write, “though not a fully general one”?
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by math_dandy 1y ago
Is the take-home message of the post that the full complexity of CRDTs/OT is necessary only in the absence of a central server?
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by math_dandy 1y ago
This is a natural point of confusion. The true (IMO) primitive concept here is the probability measure. Probability measures on the real line are in canonical bijection with CDFs, the latter being axiomatizable as càdlàg functions (see htt
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by math_dandy 1y ago
The diagrams for powers of three form the Sierpinski triangle. Makes total sense once you see it, but I hadn't seen it until today!
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by math_dandy 1y ago
The list in the above comment isn’t a summary — it’s a precise definition. It can and must be carefully explained with lots of examples, contrasts with other languages, etc., but the precise definition itself must figure prominently, and ex
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by math_dandy 1y ago
I view create-vite-app with React presets as the spiritual successor of create-react-app, rather than NextJS.
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by math_dandy 2y ago
Is NVIDIA's JIT-based approach here similar JAX's, except targeting CUDA directly rather than XLA? Would like to know how these different JIT compilers relate to one another.
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by math_dandy 2y ago
I suspect your first sentence characterizes the vast majority of scientific activity.
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by math_dandy 2y ago
Number of job posts itself seems like a better measure of the state of the job market than mentions or mention-density. What aspects might mentions capture that number of postings wouldn’t?
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by math_dandy 2y ago
The article does not claim that smoking determines outcomes for any individual. It gives statistical evidence that outcomes (measured brain activity while performing certain tasks) for weed smokers are worse than for non-smokers __on averag
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by math_dandy 2y ago
Cryptanalysis relies on deep conjectural heuristics in analytic number theory. These conjectures becoming theorems wouldn't affect cryptanalysis at all, because their validity is already baked in. If, however, any of these conjectures
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by math_dandy 2y ago
Correct. HTMX doesn’t deal with client-side state and updating UI in response to client-side interactions. React, on the other hand, is all about that stuff.
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by math_dandy 2y ago
Hooks do a nice job of encapsulating the impurity. Not the only way to do it, but it’s pretty slick.
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by math_dandy 2y ago
How do they leak? Are they even an abstraction?
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by math_dandy 2y ago
One advantage of (Named)Tuples over dataclasses or SimpleNamespaces is that they can be used as indices into numpy arrays, very useful when you API is returning a point or screen coordinates or similar.
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by math_dandy 2y ago
I totally get why people are infuriated by rationalizations like "inflation rates are now good". Instantaneous ("now") rates of change are not particularly illuminating during periods where those rates themselves are mor
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by math_dandy 2y ago
This is good intuition for why ensembling overparametrized is a good idea. Doesn’t speak to why ensembles of tree-structured estimators in particular perform so well compared to ensembles of other nonparametric estimators.
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by math_dandy 2y ago
React is a FEBEFUIRT - a FrontEnd/BackEnd-Fluid UI RunTime.
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by math_dandy 2y ago
I echo your experience. Effexor/Venlafaxine are absolute poison. I tapered off of it slowly over the last two months under doctor’s supervision. The day after I took my last dose — small thanks to the tapering — I’ve had constant brain
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by math_dandy 2y ago
No need to fear mutable local state. Shared state is where immutable data structures really shine.
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by math_dandy 2y ago
Which problems people work on is dictated to a large extent by the need to publish to keep your job. There is a lot of incentive to work on publishable low-hanging fruit problems. Hence the abundance of “write-only” journals in mathematics.
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by math_dandy 2y ago
Should write a PEG grammar.
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by math_dandy 2y ago
What approaches to storage are viewed a as most promising? Is Germany building anything out yet or testing at scale?
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by math_dandy 2y ago
I suppose you get performance benefits if the the time it takes to start up a nodejs process dominates the execution time of the script. This is probably the case for a decent proportion of “serverless function” type scripts.
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by math_dandy 2y ago
It varies, but it often comes down to deep expertise combined with creativity, years of toil, and standing on the shoulders of giants. Cf. Fermat’s Last Theorem, bounded gaps between primes, the Weil conjectures, the Poincaré conjecture, et
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by math_dandy 2y ago
In my mind, the justification for referring to RH as the “biggest” open problem in mathematics is its importance in numerous fields of mathematics. It’s hard to take three steps in analytic number theory without running into Riemann. Zeta f

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