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00:57
2
Q: Lighting a ListPlot3D with a Texture

Chris KI want to apply Lighting to some ListPlot3Ds with Texture applied, but it's not taking as it does with Plot3D. As an example, p[x_, y_] := PDF[MultinormalDistribution[{25, 25}, {{25, -12.5}, {-12.5, 25}}], {x, y}]; (* too dark *) Plot3D[p[x, y], {x, 0, 50}, {y, 0, 50}, PlotPoints -> 50, PlotS...

01:15
2
Q: In the MCU prime universe canon, what level of knowledge about the Snap does the general populace have?

Aaargh ZombiesIn the prime MCU universe, the one in the same universe as the movies, what level of knowledge does the general population of Earth have about the snap/Blip. For example, do they know that it was caused by an alien warlord using mystical artifacts from the dawn of time, and that the Avengers trav...

3
Q: Objective criteria for assumption violations that do not utilize p-values?

dfifeSuppose we have a standard regression model and want to identify whether we have violated the assumptions of the model. Traditionally, we might utilize a significance test to determine whether (for example) the residuals are normally distributed (where the null model states that the residuals bel...

01:31
2
Q: Function composition being the same as raising a function to a given power?

bru1987I am working on an exploration which starts with the following affirmation: In this section you studied the Binomial theorem. Recall function composition from earlier in the course. In this context (in working with a function under the operation of a composition) when we raise a function to a po...

2
Q: How do you translate "下沉市场" to English?

user3528438It feels like the concept of a "developing market" but a developing market implies a foreign market but 下沉市场 is a part of domestic market. Unlike "low end market", 下沉市场 in addition has a strong geographical implication towards the rural area. What's a good English word of this "a market for low p...

1
Q: What information can I get from a network interface / adapter to determine what network it's connected to?

Bri BriI'm planning on developing a desktop application that can provide various features depending on which networks a system is connected to, such as setting up routing. So I'm looking for a way to identify and assign a human-friendly label to the network that an interface / adapter is connected to. B...

01:56
2
Q: Does the set of convex combination of points in Cantor set contains a non empty open interval?

Sourav Ghosh$\mathcal{C}$ denote the cantor middle third set. $$\mathcal{C}_t=\{(1-t)x+ty : x, y\in \mathcal{C} \}$$ $\mathcal{C}_0=\mathcal{C}_1=\mathcal{C}$ and we can prove that that $\mathcal{C}$ contains no non empty open interval. What can be said for other $t\in [0, 1]$? Does it contains a non empty o...

RPG
RPG
1
Q: Does the Artificer's Homunculus Servant infusion have any tool proficiencies?

RakidenThe artificer's Infuse Item feature (TCoE, p. 9; E:RftLW, p. 57) grants access to a number of infusion options, one of which is the Homunculus Servant (TCoE, p. 21; E:RftLW, p. 62). I'm just trying to find out whether the Homunculus Servant I create has, for example, tool proficiencies to help me...

02:19
3
Q: Why are there so many mosquitoes in the Arctic?

rwallaceTL-DR: How to create a world with ecology similar to ours, that doesn't have such abominable plagues of mosquitoes in its Arctic summer? It is tempting to think of mosquitoes as a pest of the tropics, and they certainly are as far as that goes. But as far as I can tell, the worst mosquito plagues...

02:39
1
Q: Accurately solving system of differential equations

Peter SmithSo I am trying to solve two equations simultaneously. The goal is to find values for $\frac{de}{dt}$ and $\frac{d}{dt}$ which are the rates of change of the variables $a$ and $e$. I am then progressing the system through time by multiplying the rates by a certain time step and adding this to the ...

03:03
1
Q: Why does biomagnification of mercury occur more in large fish?

Jordan ReganI love tuna so this question has been bugging me senselessly. I am aware that larger fish tend to have more mercury concentration in their flesh than their prey, however, I don't understand how this can be possible. I understand that there will be more mercury in the large fish than the small fis...

Law
Law
1
Q: Can a father not have responsibility for child-support?

CGCampbellA high school classmate of mine was approached 5 years ago by a lesbian couple to father a child with one of them. They did not involve lawyers at the time. He did the deed with one of them and 9 months later, a little boy was born. Prior to that, they wrote out a document, just in plain language...

TeX
TeX
1
Q: Subgroup diagram of $S_3$

CroosI am trying to make the subgroup diagram of the symmetric group $S_3$. Analyzing some materials, I arrived at something close, but it is still far from desired. Below I present the commands that I am using: \documentclass[12pt]{article} \usepackage{tikz} \usepackage{amsfonts} \title{Subgroup Diag...

1
Q: ESTA or study Visa?

RobMy daughter, an adult UK citizen/passport holder, has been accepted for a 1 month ballet "summer intensive" at a US Ballet Academy, and it runs from 3rd July in Orlando, Florida. Some people are telling me a student visa might be needed (M-1) because she might be classified as learning. Others...

5
Q: Is there a purely topological proof that a certain topological space derived from logical compactness is compact?

JohnLet $L$ be a first order language, and let $S_{L}=\{\sigma:\sigma\;\mbox{is an $L$-sentence}\}$. Also, by logical compatness I mean the Compactness Theorem of first order logic. Compactness Theorem: Let $\Sigma$ be a set of $L$-sentences. $\Sigma$ is satisfiable if and only if each finite subset ...

6
Q: How can I bevel the edges of a cube with geometry nodes?

quellenformI would like to use Geometry Nodes to add beveled edges to a cube, exactly (!) like the modifier Bevel would do. I am interested in reconstructing the effect as detailed as possible. Any ideas?

03:15
2
Q: How to work out this elliptic function?

zoobyLet $f(x) = \sum\limits_{(n,m)\in\mathbb{Z}^2} \frac{1}{(x+ n + i m )^2}$ If feel it should be $1/E(x)$ where $E$ is some elliptic function, like $sn^2$. But Wolfram Alpha is giving me some strange expression in terms of q-digamma functions. But I would rather like to find it in terms of theta fu...

10
Q: Indecomposable contracting maps on the integers

David E Speyer$\def\ZZ{\mathbb{Z}}$Call a function $f : \ZZ \to \ZZ$ "contracting" if $$|f(j) - f(i)| \leq |j-i|$$ for all $i$, $j \in \ZZ$. The contracting functions form a monoid under composition; call it $C$. An element of a monoid is called a "unit" if it is invertible; the units of $C$ are the functions ...

2
Q: Why isn't `OP_CHECKMULTISIG` compatible with batch verification of schnorr signatures?

David A. HardingBIP342 defines OP_CHECKSIGADD as a replacement for OP_CHECKMULTISIG. In the footnote it's mentioned that OP_CHECKMULTISIG is not compatible with batch verification, but I can't understand why and I can't find any answers online. Are there any good resources that I can read? (Asked on Twitter by ...

DIY
DIY
03:33
2
Q: Should I terminate individual conductors exiting conduit or run all the way between panels?

RayI need to make a run from my detached garage to my house. The run exits the garage by way of an LB, runs underground for 25ft in 1 1/4" Schedule 40, then enters the house through another LB. From there, the panel is another, 40-50ft? It needs to jog up a wall, run parallel along a joist, then it ...

6
Q: Story about sailing ship/printing press on a metal-poor world

OtisThis was a science fiction short story about the captain of a ship that sails from port to port on an alien planet. I'm not sure whether the captain is a human or the native alien species, and if he is a human whether it is the case that the planet was colonized or it's supposed to be some kind o...

CS
CS
03:53
4
Q: Does a volume stay constant when freely falling?

FeliciaIn general relativity, if a volume of particles moves unrestricted through spacetime, is their volume always conserved? Say we let a collection of particles at rest wrt each other, fall freely in a gravitational field. Will tidal forces keep the volume they occupy constant? My intuition says yes,...

5
Q: What makes aluminum aerospace grade?

Starship is go for launchSo what is aerospace grade aluminum? Aerospace grade and regular aluminum or both aluminum. Do they have a different composition or strength? What makes one aerospace grade?

04:06
6
Q: Short story or part of larger story with VR or AR nursery

computercarguyI was reading this question and was reminded of another story with a virtual or augmented reality nursery. It might be a short story in a collection or it might be just a sub-plot of a novel. It's been probably 20-30 years since I've read the story (likely paperback), so the only thing I really r...

Law
Law
04:22
2
Q: Can you have a fiduciary duty to your own business?

SomeoneIf I am the sole member and manager of an LLC, do I have any fiduciary duty to the LLC? Would there be anything legally wrong with my intentionally wasting the company's money or doing something similarly pointless and harmful to the business, considering I'm the only actual person (as in human, ...

4
Q: Still not getting difference bettwen Implies and Entails and the role of "interpretation"

Make42Background I am trying to understand the answers to the question Implies ($\Rightarrow$) vs. Entails ($\models$) vs. Provable ($\vdash$). In their answer, ryang wrote: material conditional $\left(\to\right)$ implication$\left(\Rightarrow\right):$$\quad\to$ is true (perhaps in an axiom system) i...

04:49
5
Q: What physical effects would 3000 years have on the physiology of humans on Mars

Reuben Morpheus MillsThis is my first ever question on here. I've seen a few posts on Martian physiology but since the answers on here are answered so well and by so many I thought I'd be more specific. How would human physiology have changed over 3000 years, providing biomes to replicate Earth's atmosphere? Followi...

05:07
6
Q: Did vehicle registration occur before automobiles?

David G.I found an article online that makes the claim: "... registration plates having been used on carriages and wagons in the U.S. as far back as the early 1800s." The article can be found here: A License to Collect. Unfortunately, as it's always the case with most internet publications, I cannot seem...

2
Q: What is the translation of actions speak louder than words in Latin?

NoaI would like to translate the phrase "actions speak louder than words" into Latin. actiones seneca was the translation that Google translate provided. Is that accurate? Thank you!

TeX
TeX
06:02
4
Q: How to draw a point at a given arclength along a curve in Tikz?

KarloConsider following example: \documentclass{report} \usepackage{tikz} \begin{document} \begin{tikzpicture} \draw (0,0) arc (0:90:1 and 2); \filldraw (0,0) circle (2pt); \filldraw[red] (-.1,.9) circle (2pt); \end{tikzpicture} \end{document} Given a curve and an origin (A in the example), I would ...

2
Q: What is the difference between different mask standards?

MagicLegendI am looking at buying a new batch of masks, since I still prefer to use a mask for my travelling. I am close to running out again, and the company that I previously got masks from now has a 'new' mask with a different standard. However, I can't find what the difference would be between the diffe...

2
Q: Original reference for generators and relations of 2-dimensional TQFT

Andi BauerWhat is the original reference where it was first proven that the generators and relations of the 2-dimensional cobordism category are those of commutative Frobenius algebras? I've seen this article by Abrams being cited for it. But when I look into it I only find "Completeness of the relations f...

06:24
2
Q: What does キャンセルをキャンセル mean? Why people write like this?

にんじんI wonder what does this mean. Is this cancel? Or cancel and cancel? I cannot understand very well...... Why people write like this? Can you tell me What is the best way to write this, or is there another way to write this?ll me Why? Can you explain how you came up with this way of writing?

06:52
4
Q: Software for creating hand-written slides that are revealed gradually

M. WinterI am looking for software to create slides like these. I want everything to be hand-drawn/hand-written. I don't want to draw/write anything at the time of presentation, but I want parts of the slides to be revealed bit by bit, exactly as if I have created them with LaTeX beamer or PowerPoint. I ...

ELL
ELL
2
Q: What do you call a desperate attempt unlikely to succeed?

Sergey ZolotarevWhat do you call a desperate attempt unlikely to succeed? For example, when other ideas have failed and you have one final go before giving up

07:36
1
Q: How to play notes in the kHz range on a cello

346I have a piece in which there are notes exceeding 1 kHz (B5). I can only currently play up to 440 Hz on my cello. How can I do so? If it's hard, are there any strategies?

1
Q: Are mathematical proofs subject to the problem of induction?

GalenWhen I consider a proof, such as Euclid's proof of the infinitude of primes, it can give a sense that something necessarily true has been obtained. I cannot remember where I got the idea, but a few years ago I encountered a notion that dispelled this feeling. It is not a complicated notion. All I...

08:11
2
Q: How to find the number of sides of a dice with an unspecified sides

EA LehnPlease I need help on how to go about solving this question: A dice has $n$ sides with numbers $1,2,3,4,...,n$ marked on it. If the probability that a particular number appears at least once when the dice is rolled thrice is $217/729$, then how many sides does the dice have? I was thinking that i...

CS
CS
08:29
1
Q: Does gravitation really exist at the particle level?

Hymns For DiscoAs I understand, we usually talk about gravity at a macro scale, with "objects" and their "centre(s) of mass". However, since gravity is a property of mass generally (at least under the classical interpretation), it should therefore apply to individual mass-carrying particles as well. Has this ev...

DIY
DIY
1
Q: So, I was told by local electrical inspector that I dont need a ground rod if I run a full sized ground to my detached garage for a 50 amp sub panel

Brian KearneyNEC seems clear about adding at least 1 ground rod ( possibly 2?). So, I’m thinking for protection from lighting strikes, which are common up here in the Adirondacks, I want those ground rods. Also, can I install #6 bare copper to rebar when foundation is poured ? What method of connection to reb...

09:06
2
Q: What do we know of the technical advisors on ST:OS?

releseabeI think there is no doubt that the science in the science fiction of Star Trek in the 1960s was far superior to that found in any competing show. Some "science fiction" shows made no real attempt to have any sort of serious, plausible basis for the ideas -- I recall Outer Limits (who used to matt...

09:50
7
Q: The coupon collector's most collected coupon

BrocellousSuppose a coupon collector is collecting a set of $n$ coupons that he receives one-by-one uniformly at random. If the collector stops exactly when the collection is complete, we know the expected number of coupons in his collection is $n*H[n]$. What is the expected number of copies, $M$, of his m...

4
Q: Young adult book series about aliens or hybrids with silver blood

firetop1993Young adult book series about aliens or hybrids with silver blood. One gains the ability to be a martial arts master. There is a girl who joins and says her blood is like their blood, implying it was red, but they corrected her and showed that her blood was silver. That is all I remember of it.

TeX
TeX
10:12
1
Q: How can I draw rectangle with empty fraction?

workwolfHow can I draw two separate rectangle with same size, different partition and equality to empty boxes fraction? The following code form GeoGebram (namely, Equivalent Fractions Rectangular Models). A code is download as PGF/TikZ (.txt) but it's not run by LaTex prog. \documentclass[10pt]{article}...

10:51
5
Q: Why would I use a trainer instead of riding outside?

SamAThough it's not the case for everyone, I'm comfortable biking through four seasons and this keeps me in an acceptable condition. Say that I entered a race and wanted to train to improve my performance. Would there be any advantages to using a bike trainer for some or all of my training, versus do...

DIY
DIY
11:03
3
Q: Blinds Side Mount Bracket Ripped out of Top Window Frame. Drywall too damage to reattach without reinforcing. Help

Stat1124We just purchased a new house and I completely missed this in the walkhthru and inspection didnt catch it either. We only noticed it when we starting taking down all of the blinds in order to paint. It appears that someone forcibly yanked down on the draw string of one of the blinds thus pullin...

2
Q: Where does the energy required to initially begin the reaction of iron and oxygen come from?

Howard StarkWhen iron is left outside, over time it reacts with oxygen to form iron oxide or rust. But how does the oxygen react with iron, isn't iron held together by strong metallic bonds? Where does this required energy to initially begin the reaction of iron and oxygen come from? Do all reactions initial...

11:19
3
Q: How to make the new window display in the center of the screen?

Kynix in Hong KongI'm using Ubuntu 22.04LTS. When I open a new window, the new window will appear in the upper left corner of the screen. That's terrible. I'd like to know how to make the new window display in the center of the screen. I have downloaded the CCSM(CompizConfig Settings Manager) and changed the setti...

4
Q: How to add ticks for mesh?

hanaI'm trying to reprocedue this plot with Mathematica and got some problems. x[t_] := 4 + 3 Cos[\[Pi] t] + 2 Cos[2 \[Pi] t] + Cos[3 \[Pi] t]; xa[t_] := 5 + 5 Cos[\[Pi] t]; Plot[{x[t], xa[t]}, {t, 0, 5}, GridLines -> Automatic, AxesOrigin -> {0, 0}, PlotStyle -> {Automatic, Directive[Dashed]}, M...

11:54
4
Q: In definition of a topology, is including the empty set and the set itself redundant?

DenizLet $X$ be a set. When giving the definition of a topology on this set $X$ in his topology textbook, Dugundji claims that the usual requirement of having $∅$ and $X$ in as open sets is "redundant" and can be derived from the other two axioms stating closure under finite intersection and arbitrary...

1
Q: Apple iPod Classic 160 GB

gumbloidWhat is the last version of iTunes that supported the iPod Classic 160 GB? I have one that I use in an older car that I want to reformat using iTunes. Please advise

6
Q: Replacing worn pads worsens need for bleeding

VoracI am faced with the most peculiar situation. An old XT brake(BR-M785) in some need of bleeding. I remove the worn out pads, observe no significant gunk accumulation, push the ceramic pistons back flush with the caliper, observe no oil leaks, insert new pads, mount the wheel ... and the brake is i...

12:33
2
Q: How to find number of unique words in first row using bash command?

DEEPI want to find the number of unique words in my file named cdj.tsv. I can use head -n 1 cdj.tsv to get the first line. Now I want number of unique words in this line. How can I get that? Result of the command head -n 1 cdj.tsv looks like: Country China China China China China China Ch...

13:18
1
Q: What does the idiomatic phrase "err on the side of" mean?

xbladefate25I've looked through several online dictionaries to ferret out the meaning of "err on the side of" ("err on the side of" in the sense of the phrase having no qualifying objects, people, or concepts to take the place of the -sth/-sb). But alas, all my efforts at understanding the preceding phrase's...

CS
CS
1
Q: What does 2 Corinthians 6:8 mean?

Someone"as deceivers, and yet true" If I am reading this passage correctly, it is describing believers in a series of conparisons, first how the world sees us and then how we should actually be. Is this correct?

2
Q: How fast and how coarse does a sandstorm need to be to sand a human down to nothing in the span of an hour?

QuinnI am designing a world with extreme weather, which uses human survivability as a measure of time. I've equated something close to an hour for the time I am using, for simplicity's sake, but this poses a significant problem in terms of just how violent these conditions need to be. I'm not all that...

13:49
2
Q: Select rows with a specific element from a given table

kompauiLets say I have 4 rows in alist = {{1, 1, 3, 3, 1, 6}, {1, 1, 3, 4, 1, 1, x}, {1, 2, 3, 3, 1, 6}, {1, 2, 3, 4, 1, 1, x}}; If I want to select and print out only the rows with the "x" from the previous one, i.e., {{1, 1, 3, 4, 1, 1, x}, {1, 2, 3, 4, 1, 1, x}} Is there a way to do it?

14:23
3
Q: How to find the primitive/ antiderivative of a discontinuous function

HARVEER RAWATI have the following function before me: $$f(x)=\left\{\begin{array}{ll}\phantom{-}x^2, &x\leq 0\\-x^2+2,&x>0\end{array} \right .$$ I have to find a function $g(x)$ such that $g'(x)=f(x)$. Clearly, $f(x)$ is not continuous at $x=0$, as there is a jump discontinuity at that point. Do such function...

Vi
Vi
15:01
1
Q: A multiple movement of the cursor

HyunsooFor example the code below, 1: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa 2: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa 3: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa The arrow key moves the cursor from one character to the left, right, up, and down. If I want to move two or multiple movements at one time, how it is achieved? Th...

3
Q: Find the nth Fibonacci number, where n is the mth Fibonacci number

SomeoneIntroduction If fib(x) calculates the xth Fibonacci number, write a program that calculates fib(fib(m)) for any positive integer value of m. (Of course, there will be practical limits based on the language, so lesser limits are acceptable. Also, it's okay to stop at m = 20, even if the language c...

15:42
1
Q: Is it possible to have two coordinated verbs before 得/不 + resultative?

starckmanIs it possible to have two coordinated verbs before 得/不 + resultative? Something like: 他改和写不下去 他吃和喝不下 他擦和洗不干净

16:11
2
Q: Interview Question

abuluThis Circuit was given. I know every component of this circuit individually, I know feedback and gain margin and transconductance amplifier. But the problem is how to start? first, I was thinking to find the Transfer function but the problem is no input is given. so anybody helps me, how to star...

DIY
DIY
16:50
1
Q: Wiring single-phase A/C to a 240V 'wild leg'?

ehbowenI'm looking to install a ductless mini-split system to cool some computer equipment in a building where the main A/C is turned off when unoccupied. It's a 9000 BTU heat pump, electrically rated at 9 amps RLA at 208/230V (1 phase), minimum circuit ampacity 15 amps. The electrical panel most conven...

1
Q: How to tell if a biosphere has been tampered with?

TheDyingOfLightHow could one distinguish a naturally evolved biosphere from one which has been manipulated in a subtle manner? Think slight genetic tweaks, targeted extinction events and so on. The process might have continued for hundreds of millions of years. Assume that we know that one of several biospheres...

4
Q: What "traffic" is Nyles referring to?

Jorge BorgettiIn Palm Springs (2020), because of Nyles, Roy is stuck in a time loop. Nyles asks Roy to kill him: Nyles: Could you kill me one more time? You could still beat the traffic? Roy: All right. Side yard. What "traffic" is Nyles referring to?

17:07
7
Q: Partitioning a list based on a criterion for sublists

SyedSeedRandom[1]; alist = RandomInteger[{1, 10}, 20] {2, 5, 1, 8, 1, 1, 9, 7, 1, 5, 2, 9, 6, 2, 2, 2, 4, 3, 2, 7} I would like to divide this list into sublists (starting at the left) such that Total of each sublist remains less than 20. The output would look like: {{2, 5, 1, 8, 1, 1}, {9, 7, 1}...

2
Q: Granting permission with the potential form

user3856370My previous question got me thinking about if/when the potential form or できる can be used to grant permission.  My doubts come about because I'm pretty sure that using the potential form/できる is never correct when seeking permission. Please correct me if I'm wrong. Consider: 写真を撮ることができるのは6時までです。 ...

TeX
TeX
18:04
1
Q: How to draw a box around a picture plus text?

Tom GöbelSo right now I am struggling with getting a box around some text with a figure. The idea is that I have a small picture on the lefthand-side with some text right next to it. And then draw a box around the whole thing. I tried messing around with tikzpicture. But my tikz-solution needs the text to...

1
Q: Implementation of the "tee" utility program

MikeHow can I optimize the program? To make it more optimal? The program should be more optimal in terms of source code, compiled executable size, memory usage, speed, bugs etc. Please criticize the program from these points of view. The -a option adds text to the end of a file (if it exists). The pr...

1
Q: How is the word "kilohm" pronounced traditionally?

Jimmy FalconHad to ask this in electronics, would like to hear this from people who have been involved. I am not a native English speaker, and I couldn't find a definitive answer online: there are too many variants that looked odd to me. There probably should be a way engineers pronounce this word?

18:30
1
Q: list of travelled countries in DS-160, US visa?

pawan kumarI am an Indian citizen currently in Australia on a student visa. I am applying for a B1 visa (US). Should I write "India" in the countries travelled or "Australia"? I certainly have been to India in the last 5 years and currently, I am in Australia. Thanks for any help. Pawan

1
Q: How to preserve parameter expansion passed to a function?

Saeed NeamatiI have this function: cyan=`tput setaf 6` reset=`tput sgr0` function Info() { echo "${cyan}$1${reset}" } And I use it in my other scripts as simple as Info some message. However, when I use it to print all items of an array, it only prints the first item: Info "${ArrayVariable[@]}" # this on...

19:22
2
Q: Does the remainder theorem work for constant function?

ZeyarThe remainder theorem stated that " If a polynominal f(x) is divided by (x-k), the remainder is f(k)." So I think of a constant function ,say, f(x)= 5 and I divide this by (x-1). According to this theorem, the remainder must be f(1). So, f(1)= 5 which just returns the original input value as it i...

2
Q: Glove won't move with additional bones

EverBlazenI created a rig for my character and everything worked fine. While trying to ball my character's fist, I decided I wanted an extra bone in the fingers. After I created the extra bones, (thumb 3.l)(index4.l)(middle4.l)(ring4.l)(little4.l)I noticed the extra bones do not move with the glove. I susp...

 
1 hour later…
20:36
2
Q: Help on "randomizing" deterministic functions

student7481I'm completely stuck on a problem and maybe someone of you out there has some thoughts on how I could proceed. The setting is the following: Let $f: \mathbb{R}^2 \to \mathbb{R},(x,y) \mapsto f(x,y)$ be a continuous function. Next consider two iid random variables $X,Y$ on a probability space $(\O...

3
Q: Is If/else vulnerable to timing side-channel attacks?

TomI have a branching in c++: if (x & 1) { x = function_1(x); } else { x = function_2(x); } If function_1 and function_2 are constant time and it takes the same time to compute them, is such branching still vulnerable for side-channel attacks? Can attacker somehow know which condition was e...

21:04
4
Q: Rudra-Vishnu-Bramha-Grandhi (ग्रन्थि)?

Lucky PashuI read in the SREE LALITHA SAHASRANAMA STOTRAM: Muladharaika nilaya bramhagrandhi vibhedini Manipurantarudita vishnugrandhi vibhedine Aagyna-chakrantaralasdha rudra-grandhi vibhedini What is the exact purpose of Bramha-grandhi , Vishnu-grandhi and Rudra-grandhi?

1
Q: Is there any usage of the verb ‘want’ in causative form?

ikarusI know that the verbs such as let, make, and have are causative, and when looking on the internet I found out that people generally don’t treat the verb want as causative. However, if we look at these two examples with want: People are wanting their favorite words added. They want their issue d...

CS
CS
21:19
2
Q: What exactly are keys like `<copy>`, `<paste>` etc (CUA not enabled)?

loonatickI see these keybindings sometimes in the help docs. E.g. from C-h f clipboard-kill-ring-save It is bound to <copy>, <f16> So, what might this be on my keyboard assuming I do not have CUA enabled? How could I have found this out myself using Emacs' help system?

CS
CS
22:09
2
Q: Is this single transistor interface good enough for this relay-control?

cm64I need to turn ON/OFF an 12V 10A SMPS supply by a relay. I want to switch the SMPS via its line input using a microcontroller. I need a normally open non-latching magnetic relay such that the SMPS should be ON only if the microcontroller digital output is ON. The SMPS sources 6A on the DC side bu...

3
Q: Ancestry.com "Common Ancestor" algorithm

Mattman944Ancestry.com has a feature where it will use all available trees to find a common ancestor for a DNA match. I believe that it looks for overlaps in trees. It has done a good job for many of my matches. There are a few common ancestors that it has not found, even though I copied many people from t...

Law
Law
1
Q: Is the Scarborough Fair Melody Really in the Public Domain?

mlchristiansAccording to Wikimedia Commons: https://commons.wikimedia.org/wiki/File:Scarborough-Fair-Melody.png the melody to the tune Scarborough Fair (which had been popularized in the 1960s by Simon and Garfunkel) is in the public domain. Is this claim correct; and if so, can someone today write a new set...

22:36
1
Q: Duplicate Homepage in search results with different hash-bang URLs

Fred DelaunayI just realized that my homepage is present in google with three different URLs. https://www.example.com https://www.example.com/#!/page/2/ https://www.example.com/#!sweat-shirts So I guess I need to create a 301 redirect. How do I do that in WordPress?

RPG
RPG
4
Q: In E6, what happens about Hit Points after level 6? Do characters stop gaining HP?

NickCTZAApologies if this is the incorrect way to ask a question or if it was already answered. In E6, what happens about Hit Points after level 6? Do characters stop gaining HP? I'm keen to try E6, and see most of the issues that could crop up have been answered, but: How do characters gain more HP aft...

2
Q: Every row of a file is converted to a new file

Muhammad Sajid TahirI have a file that contains four columns and 5000 rows. I want to make 5000 new files from this file so that each file has one row from the original file. Also, I want to name the new files according to the values in the 4th column. Example: The following file (XXXX.txt) has four rows File: XXXX....

22:56
2
Q: How to write a specific Bessel function in Mathematica

VangsnesI want to plot the following function on Mathematica, and I gave it a go on wolframalpha. Bessel[n,z] is the usual form, but I am not sure how to use this to compute the following plot: \begin{equation} u(r,t)=\frac{\alpha J_{4}(i\sqrt{2}r)}{J_{4}\big(\frac{100*2}{\alpha}\big)}e^{-16t^2} \end{equ...

1
Q: How to digitize film on a budget?

E199504Recently I have been shooting and developing some 35mm film. A few days ago I thought of scanning the film but it looked like my canon TR7550 does not support scanning film. The white part of the scanner does not come out, there is no film holder, I saw that the max DPI is very low. I would have ...

1
Q: What's the easiest way to evenly distribute a mesh around a circle/cylinder mesh?

John SmithI have a cylinder mesh like this: And I want to distribute a bunch of rectangular meshes around it evenly. This isn't evenly distributed because I manually duplicated and rotated my rectangular meshes around the cylinder. How do I make it even around the cylinder mesh and match the rotation? Th...

23:22
1
Q: MNIST with a TWIST, no labels given, only probabilities

avlossLet's say we have basic MNIST dataset, and we have the same goal to predict the digit, BUT we're swapping all the labels by RED and BLUE. The label becomes BLUE with probability DIGIT/10. So if the digit is FIVE, then probability of label BLUE is 50%, so we have equal number of RED and BLUE label...

23:36
7
Q: Starship crewman from separate space community falls for outsider

PotatoCrispAn anthology short story read in 1970-80s. In the far future passengers travel on long journeys between human colonies in large spaceships crewed by hereditary crew members. Because of the length of the journeys and the time distortion involved, crew's families back home live in communities separ...

1
Q: What does LSB mean in PWM?

nowsqwhatI have this PWM exam preparation question in Computer Engineering where it says "What is one V_LSB?". However we've discussed nothing about LSB in the PWM section. What does it means?

1
Q: Adding a second legend to Plot?

tardigradeI have the following plot: Plot1=Plot[Exp[-0.03*t,{t,0,1000}]; Show[Plot1,LineLegend[{Black,Gray,Cyan},{"test1","test2","test3"}]] Is there a way to add a second legend that only contains markers (say, circles and triangles)?

23:54
5
Q: Ways to make an alien atmosphere breathable, but uncomfortable?

ProjectOerlikon In the project I’m working on, sufficiently advanced aliens terraformed a large number of planets in the distant past, giving them an atmospheric pressure and composition similar to Earth. This “galactic standard” is breathable by all alien species without any difficulty. However, because Earth’s...

1
Q: Map (smooth) vertex group to a vertex color in geometry nodes

sygiI have a vertex group, which was painted using weight paint, called trees. I would like to use it in the shader editor to (smoothly) mix between two shaders. As I understand it, it's not possible to directly take the value of the vertex group weight there, so I would like to map the weights to a...


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