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12:06 AM
2
Q: Missing 'Normals' in Data

Cherry HeeThe tab of Normals/auto smooth is missing. The tutorial I was following and other videos have it in between Attributes and Texture Space.

 
8
Q: What types of tropical plants could evolve to tolerate a humid climate around 40 - 45C?

MolotovJackMe and a few people are working on a super hot earth where the equator features a humid rainforest climate that sits around 40C - 45C degrees consistently, without any extreme changes in temperature. From what I've been able to gather, there has been no proper analogue for this type of environme...

 
2
Q: How to get names of crew

MyrtleHow can you find the names of the ships officers that is up to date so you can send thank you note? Hard to find on the internet or website

 
TeX
12:29 AM
3
Q: write a power of ten non-integers

NicolasI would like to be able to write non-integer powers of 10. With the siuntix package, I'm tinkering to get something done but it's not very pleasant to read. How in my example can I write 10^-6.5 properly? \documentclass{article} \usepackage{graphicx} % Required for inserting images \usepackage{si...

 
ELL
1
Q: "I didn’t see her again (until) a few days afterwards." — How does "until" affect the meaning of the sentence?

Loviiian example from a dictionary (I couldn't find its source now): (1) I didn’t see her again until a few days afterwards. my variant: (2) I didn’t see her again a few days afterwards. How does "until" affect the meaning of the sentence? What's the difference between (1) and (2)? I think (2) makes s...

 
1
Q: Particular solution of this second order differential equation

A_alkI am a bit stuck on the following second order differential equation, using the method of undertermined coefficients. $$y'' + 3y' + 2y = xe^{-x}$$ The homogenous solution is easy to find, but I run into some issues with the particular solution. $y = Axe^{-x}$ doesn't seem to be a good enough gues...

 
RPG
4
Q: What happens if a Storm Sorcerer is knocked unconscious before casting the spell from Tempestuous Magic?

User 23415The Storm Sorcery sorcerer subclass, from Xanathar's Guide to Everything, has the Tempestous Magic feature: Tempestous Magic Starting at 1st level, you can use a bonus action on your turn to cause whirling gusts of elemental air to briefly surround you, immediately before or after you cast a spe...

 
12:51 AM
1
Q: Would you wear out the/a clutch in a modern automatic transmission if you drove 5000 km at 1 km/hr?

Sam7919If you drive a (modern or old) manual transmission car for 5000 km deliberately at 1 km/hr, you will burn through the clutch (long before you reach your destination). The idea is this. If you attempt to drive at the lowest possible RPM at which the engine will not stall, say 800 rpm, the gear rat...

 
DSP
1
Q: Spectral Estimation Techniques

RF ShenanigansCommon spectral estimation techniques appear to be FFT based, with there being many different FFT approaches (for example Welch's Method or STFT). However Wikipedia lists many other possible techniques, such as autoregression and least squares. Most RF spectrum analysers appear to use the FFT app...

 
2
Q: Why Lord Krishna adorns a peacock feather?

Dr. user44690I want scriptural references that make mention of Lord Krishna adorning a peacock feather and perhaps also, why? Please let me know.

 
2
Q: How can I identify the material of this mystery gear?

hifkanotiksI have this small gear which has sat on my desk for a couple years. I can't remember where it originally came from or what material it's made out of, so I'm hoping you can help me solve this mystery. I initially thought this was made of stainless steel owing to the galling on one face and the I...

 
RPG
9
Q: What gods/deities live in the Nine Hells?

DMfiendIn Forgotten Realms lore, what gods or deities make their home in one or more layers of the Nine Hells? (Asking for all editions of the D&D). I get that each layer is ruled over by a "lord", which is a very powerful devil (like Mephistopheles for instance), but are there any gods that live in the...

 
1:16 AM
12
Q: Weave two lists, cycling if necessary

DLoscConsider two lists, A and B. To weave them together, we take the first element of A, then the first element of B, then the next element of A, the next element of B, and so on, ending with the last element of A. A = [1,2,3,4,5] B = [6,7,8,9] A weave B = [1,6,2,7,3,8,4,9,5] This process works as d...

 
ELL
1
Q: Double OR question

MykhailoI faced this sentence in Esperanto DuoLingo course and have doubts about correctness of its translation. "Ĉu vi loĝas en Japanio, aŭ ĉu vi vizitas la landon?" is expected to be translated as "Do you live in Japan, or do you visit the country?". Is it even a valid English sentence? I would expect ...

 
1:37 AM
1
Q: How many lands in total can be put into play with Map the Frontier?

Kristopher IvesThe card Map the Frontier has the text: Search your library for up to two basic land cards and/or Desert cards, put them onto the battlefield tapped, then shuffle. Does this mean 2 total lands can be put onto the battlefield tapped or that 4 total lands can be put onto the battlefield if 2 of t...

 
2:00 AM
1
Q: Find password decryption used in MSSQL

Elaine ByeneI have the 2 encrypted passwords in my MSSQL database and I'm trying to decrypt it. Here's one of the encrypted password: E4-68-3F-BE-91-CC-BE-B9-27-4B-18-B1-5F-1B-39-66 The password to the above encryption is maintenance2 but I don't have access to the below encrypted password which I badly nee...

 
4
Q: Is NTRU broken?

swineoneToday a new paper appeared on ePrint, "Improved Provable Reduction of NTRU and Hypercubic Lattices". It claims that: this is the first provable result showing that breaking NTRU lattices can be reduced to finding shortest lattice vectors in halved dimension, thereby providing a positive response...

 
1
Q: Can I trade with my friend on PC if I'm on Xbox?

blipI haven't tried yet, but I'd like to see if anybody knows: can I trade in Warframe with my friend on PC if I'm on Xbox?

 
2:23 AM
1
Q: How are strokes composed to make up a chinese character?

Gyro GearlooseHow are strokes composed to make up a Chinese character? For someone raised on Latin or Latin like alphabets, Chinese characters look very complex (and they are). There must be some rules to exclude every possible combination of strokes, leaving only the "good" ones, as otherwise no one would be ...

 
RPG
7
Q: What happens if the black onyx used in an Animate Dead spell isn't expensive enough?

Yopi LapiConsider the following situation: The group kills a monster, and one PC wants to use Animate Dead to turn it into an skeleton under his control. But the players have no idea what the monster is, much less how many HD it has. The PC makes a guess at the monster's HD, chooses an adequate black onyx...

 
2:45 AM
2
Q: I want to shrink my OS's partition on my mdadm RAID-0 array, so that I can install another linux based OS on a new partition of the array

Gabe SpoundI setup my Raid-0 mdadm raid array a few years ago when I setup my arch install following this guide https://wiki.archlinux.org/title/RAID#Installation while also googling and asking questions elsewhere to get it right for my exact setup. I want to shrink the portion of the raid-0 array allocated...

 
2
Q: What snake is this? Is it venomous?

mherzlLocation: Ozark Mountains in Northern Arkansas. Size: Perhaps 4-6 feet in length. Behavior: Mower uncovered a couple of these in tall grass/brush next to a log. They did not coil up. This one lay still for a few minutes before slithering into the cover of grass. Same snake from a few different an...

 
14
Q: Looking for mid-1980's list of Science Fiction Landmark works

Ward - Trying CodidactBack in the mid-1980s (it's unlikely to have been earlier than 1982 or later than 1987), I picked up a list of important/significant Science Fiction works. It was called something like "The Science Fiction Landmarks List" or it might have been "Milestones." It wasn't just a top 100, it was a lis...

 
CS
1
Q: Why are On-On SPDT switches sometimes marked "0 I"?

LWChrisI am completely new to electrical engineering, and have trouble understanding the implications of the different switch types, or rather I think I understood them but some products don't seem to make sense. The switch that I am looking for should be a rocker switch with 3 or 4 terminals and on-on ...

 
1
Q: Unambiguous derivative notation in Spivak's "Calculus on Manifolds"

Hank I don't understand Spivak's comment at the end that $f$ means something different on the two sides of the equation. Don't they both refer to the same function? Also, the expression $D_1(f \circ (g, h))$ isn't clear about which variable should be first. The first var of $f$ is $u$, but the first ...

 
3:32 AM
4
Q: Triforce crossword

web adventurer Across: # Clue 1 "Boiled stone" 2 A type of interpolation 3 A shorter word for illogicality 6 These often reside at the bottom Diagonal up: # Clue 1 A very enthusiastic weapon modifier in Terraria 2 An inanimate bipedal 3 A rather peculiar bed that is used for transp...

 
3:53 AM
4
Q: Does anybody understand what Nietzsche meant by ‘Seriousness in Play’?

Fedor OmniThe quote below is from Human, All Too Human by F. Nietzsche. It is rare because it describes where he was physically and what he sensed: Seriousness in Play. - In Genoa one evening, in the twilight, I heard from a tower a long chiming of bells; it was never like to end, and sounded as if ins...

 
4:16 AM
1
Q: Dial up some obscure stats for the Chutes and Ladders game

toolicYears ago, I wrote some code in Perl for the Chutes and Ladders game. I re-wrote the code here in Python. The code simulates one player in a game to see how many spins of the dial are needed to win the game. Many games can be simulated, set by the -games command line option. Here is the output ...

 
CS
1
Q: Review my power MOSFET motor control circuit - rev4

cmc Software engineer dabbling in electronics. Based on previous feedback, here's a simplified discrete motor controller including part details. This is an H-bridge with IRF9Z34N N-channel mosfets Q3 and Q4 and IRFZ44N P-channel MOSFETs Q1 and Q2. GND, O1 and O2 come from a raspberry pi, only one of...

 
CS
4:41 AM
1
Q: LTspice: Change fontsize on all components in circuit

haifisch123The circuit in the attached screenshot already looks too crowded, and I'd like to add even more voltage nodes. So I'm wondering if there is a way to decrease the fontsize of the nodes and the texts of the circuit symbols. Or the number of decimal places on the nodes.

 
2
Q: Applied for Germany visa in the UK, but traveling from India. Will there be a problem?

Not EulerI'm a PhD student in the UK going to Germany in July for a summer school. I have an appointment at the German embassy here in the UK for the visa application. However, I will be in India for the beginning of my summer vacation, and would like to travel directly from India to Germany for the summe...

 
Law
5:02 AM
2
Q: Can a state force someone to sell it something?

Nicolas FormichellaThere has been a lot of issues regarding, notably how hard it is for states to aquire execution medicine from pharma companies. Companies which routinely refuse to provide (note, this is not political and this is only an example) Can state/federal government force private companies into selling a...

 
5
Q: Find the last word

LezzupEvery word below is in the word search... Or is it?!?! Find the last word. Asgard frost tomcat exist roots wrong oxlip ruth depart fadge obey urds newsmen disaster resize oscars thulium oncost nobody Ecuador ...? Text version: NDISASSDRW OBEYOTETTR HUELOORNAO OATOAEXDSN SDRRZMDLSF COTIOEOSIR A...

5
Q: I can be crooked, I can be slanted

RogerANot at the end, and not at the start Somewhere within, I am usually at All of the time I stay kinda low But double me up, to the top I go I clarify well, I give you a pause They call me Mark, that's just because.. I can be crooked, I can be slanted Guess who I am, and a tick will be granted

 
3
Q: Movie like underworld, +10 years ago, man with HUGE retractable blade

Tiago PeczenyjI am trying to find the name of a movie like Underworld, watched over 10 years ago, with a man with HUGE retractable blade. The man seems old, east european / slav, and he started to cut a car with a huge blade, but gets stuck. The blade seemed telescopic, was huge, and came from his clothes belo...

 
5:24 AM
1
Q: Simplify single shape in Illustrator to remove overlapping

Oscar GodsonI have a shape in SVG format for a logo from a non-Illustrator source. In Illustrator this is a single <Compound Path>. This is not multiple paths to merge which I know how to do and plenty of info on but a single path how do I simplify? Pathfinder tools wont work since its a single object. The a...

 
4
Q: Verb stem+ては+と? And who is the subject of this sentence?

ZealContext Kamekichi, a young boy with super powers, is being tortured/experimented on by a scientist who is trying to get Kamekichi to use his powers by electrocuting him. Unsatisfied and feeling that Kamekichi isn't using his power to it's fullest, and with a higher ranking scientist coming in to ...

 
5:48 AM
2
Q: How do you determine the correct biblical date for Passover?

Saber Truth TigerWhy did Easter fall on Sunday about a month ago? The Jewish Passover is happening tonight (April 22, 2024) and yet the Catholic Church and Christendom celebrated Easter about a month ago. What full moon is scriptural? Is it the first full moon after the spring equinox which determines Easter? If ...

 
2
Q: A functional equation

EnumeratorI am working on some physics problem and got stuck with the following equation: Let $a$ be a very small positive number. Is there a bounded function $F$, $0 \leq F \leq 1$, such that for all $x \in \mathbb{R}$, $$ F(x - a) e^{x a} + (1 - F(x+a)) e^{-x a} = e^{a^2/2}. $$ I had never seen anything ...

 
ELL
2
Q: How Do I Explain Born

Alexander JorgensenBe is a unique verb, if I am correct, in that it most always relates to: 1-adjective and ID words (nouns and places) 2-the progressive tense 3-the passive voice But here we have "I was born," with born being a verb. Would someone explain this to me, and also if there are other verbs, which I thin...

 
TeX
6:10 AM
1
Q: How to add coloured corners to zigzag line in TikZ?

mathematicianIs there any easy way to draw in TikZ an edge decorated with zigzag style, in which every corner is coloured, so that the result will be similar to: I thought about creating such line by hand - by calculating all corners coordinates and drawing nodes there - but that seems very problematic, as I...

 
6:34 AM
3
Q: What governs our "perception?" about the platonic realm of sets?

Zuhair Al-JoharHere, I want to delve into what do we exactly feel about what constitutes a platonic existence of a set? Or what makes us think or actually a kind of feel or sense the existence of a set in the platonic realm of sets. The platonic realm of sets is supposed to be the world of truly existing sets, ...

 
 
1 hour later…
TeX
7:41 AM
1
Q: Strange command (\mitchi) appearing in makeindex (.idx) file

PeteIn my LaTeX document, I write this: \index{chi@$\chi^2$-score} In another place I write this: \index{chi@$\chi^2$-score|textbf} The first is rendered in the idx file as I would expect: \indexentry{chi@$\chi^2$-score|hyperpage}{39} But the second appears in the idx file as \indexentry{chi@$\mit...

 
6
Q: Post-apocalyptic story - shaman learns Latin names for animals

AndrewIn this short story, probably from Analog (in the 80s perhaps), a tribe of humans in a post-apocalyptic world has a shaman bless the hunting party before each venture. The shaman tries to use the preys' true name to make the blessing work, but he's been having bad luck lately, and his wife or gir...

 
1
Q: How to Derive the Born-Mayer Equation?

mertvyBorn-Mayer Equation: $E_{P,min}=-A\frac{N_A|z_1z_2|e^2}{4\pi\varepsilon_0d}(1-\frac{d^*}{d})$ Here is where I have gotten: $$ E_P=-A\frac{N_A|z_1z_2|e^2}{4\pi\varepsilon_0d}, E_P^*=N_AC'e^{-d/d^*}\\ $$ Energy minimized when $\frac{d(E_P+E_P^*)}{dd}=0$ $$A\frac{N_A|z_1z_2|e^2}{4\pi\varepsilon_0d^2...

 
2
Q: How do I determine the exact date and time of an OS upgrade?

mushroomI installed an upgrade to OS 14.4.1 and it appears to have caused severe performance degradation. I would like to restore the system from a backup, but I don't know the exact time of the update. I would prefer not to restore multiple versions in order to find the nearest backup with the old OS. I...

 
8:28 AM
1
Q: C-17 Globemaster III Question

VFA-34The C-17 had to overcome flight-control problems, wings that were unable to carry their designed maximum load, automation growing pains, and a crew size reduced to just two pilots and a loadmaster so I don't understand why the USAF still uses C-17s and not just KC-10s or invest in the A-400M Atla...

 
Law
8:49 AM
2
Q: Can a judge decide a case based on their own legal knowledge?

Merry MisanthropeCan a judge in the United States decide a case based on their own legal knowledge, using some legal theory or argument that was not presented by either side in the case, which neither side therefore had the opportunity to challenge? In other words, could a judge decide a case in a way that neithe...

 
 
1 hour later…
9:56 AM
1
Q: No Gas Consumption for Computations not changing the State of the Blockchain

JF0001From my understanding, a Solidity function running on a compatible EVM that doesn't change the state of the blockchain will not cost any gas. And this indeed appears to be the case, as I have confirmed with this function that is implemented in my smart contract, but which is not consuming any gas...

 
1
Q: Stuck on "The Persistence of Memory"

ApexPolentaThe Persistence Of Memory The Memory Labyrinth Rules You are currently just behind the door in the bottom right. You must walk through each of the other rooms before returning to the first room. Steps must be to horizontally or vertically adjacent tiles - no diagonal movement. You may not step ...

 
2
Q: Can't get Numbers to sum up percentages correctly

daisyI have a column with percentages; example: 8.3% 8.3% 8.3% 25% 25% 12.5% 12.5% It should sum up to 99.99%, but Numbers produces a result of 0.75 for me, Any ideas what's going on and how to fix?

 
10:21 AM
1
Q: Is every complex linear algebraic group a differential Galois group?

Ian Gershon TeixeiraLet $ G $ be a complex linear algebraic group. In other words, $ G $ is a subvariety of the space of $ n \times n $ complex matrices and $ G $ is a group under matrix multiplication. Does there always exist a differential equation for which $ G $ is the differential Galois group? For example, $ \...

 
10:42 AM
4
Q: Where can I get an earth-centric map of space?

Tyler MurphyBackground. My best friend passed away last week. He's been working on the HUD for the new NASA spacesuit and has always been fascinated with space. I'm putting together his memorial service and would like to include a map of space highlighting the region around earth that from 10 light days ...

 
11:28 AM
2
Q: Can you tile a 15x16 rectangle using eight rectangles whose sizes are 1x2, 2x3, 3x4, ... 8x9?

Will Octagon GibsonCan you tile a 15x16 rectangle using eight rectangles whose sizes are 1x2, 2x3, 3x4, ... 8x9? No two rectangles can be the same size.

 
1
Q: Simple alternative to time machine that actually allows a full restore without internet connection and OS reinstallation

mushroomI just attempted to restore a time machine backup after the latest Sonoma upgrade severely degraded several applications. When I selected a version I wanted to restore to on the recovery screen (created on an earlier version of Sonoma), I was informed that I would need to reinstall Sonoma first b...

 
12:14 PM
1
Q: how to convert a decimal fractional number to binary with given number of digits after the binary point?

metroidmanGiven 0.4, the binary form is 0.0110011001(with 10 digits after ".") and 0.011001100110011001100110(with 24 digits after ".") without rounding. Is there any function that can do such converting? The BaseForm does not have option to define the digit number. What I did is to use RealDigits to extra...

 
12:35 PM
3
Q: Snail matrix in Java - version II

coderodde(This post is the continuation of Snail matrix in Java. Also, this post has an continuation.) As previously, a snail matrix is any square matrix \$M_n = \mathbb{N}^{n \times n}\$ with cell elements from the set \$\{ 1, 2, \ldots, n^2 \}\$ such that they resemble the snail pattern. For example, fo...

 
TeX
3
Q: How can I do the equivalent of \DeclareFontShapeChangeRule which tests 4 targets rather than 3?

cfrIf you don't care why I'm asking, skip the first section .... Problem: No small-caps italic shape was defined in LaTeX 2e. \textsc{\textit{small-caps italic}} did not produce small-caps italic even if a small-caps italic shape was defined. Earlier solution: different packages used different sh...

 
2
Q: What are advantages of plasma based weaponry in ship-to-ship combat

BubblesI want to know what are some general advantages(and disadvantages) of using plasma-based weaponry over kinetics. I know containment is generally the killer, but in my setting that is a non-issue through some kind of self-made magnetic field that contains the plasma, albeit a bit unstable(if someo...

 
ELL
1:00 PM
1
Q: What type of noun can precede the suffix "-ship"

Ken AdamsI realized -ship describes the number of people doing something, for example, membership, readership, and ridership. That's why I try googling the following words to see if they exist: listenership customership However, it seems that only listenership refers to the number of listeners listening...

1
Q: What is the formal version of the word "whopping"?

an IELTS learner You are entitled to a whopping 40% off the recommended retail price. As far as I'm concerned, "whopping" is informal here. Is there a formal version of this word, which can stand below a number to indicate that you find that number very big?

 
RPG
3
Q: Can feats received due to race traits be retrained?

Maiko ChikyuIn Pathfinder certain races receive bonus feats due to their race(Such as Half Elves receiving skill focus feat as a bonus feat.) The text for retraining reads as such: You may change one feat to another through retraining. Retraining a feat takes 5 days with a character who has the feat you wan...

 
CS
1:23 PM
3
Q: Economists Working At the Intersection of Pure Math and Economics

ThrowawayaccountAs a math student interested in economics I was recently reading some of the papers by Graciela Chichilnisky on social choice theory and some of her papers applying topology to other areas of economics. Does anyone know of other economists engaged in similar projects? That is, would anyone be abl...

 
4
Q: EC261 with multiple connections

AirlinestewI had a single ticket booking from Manchester > Dubai > Melbourne > Auckland on the shortest connecting flights. Emirates operated the first 2 flights, Qantas the last. A technical issue with the plane in Melbourne caused me to arrive at my final destination >3hrs later than schedule. Can I claim...

 
Law
1:44 PM
1
Q: Are countries not allowed to require proof of revaccination (booster) against the yellow fever as a condition of entry?

Franck DernoncourtI read on cdc.gov: Countries cannot require proof of revaccination (booster) against [the yellow fever] as a condition of entry, even if the traveler’s last vaccination was >10 years ago. Is that true? I.e., is that true that countries are not allowed to require proof of revaccination (booster...

 
2:07 PM
1
Q: How to answer pre screening question "do you have a car" if I currently don't but could get one?

costlyshoppingI'm looking for work. A recruiter contacted me about a specific position. He's needs to know if I have a car. I don't currently, but if the jobs a good fit I have no issue buying one. Also the job is 100% onsite so I'm a bit surprised. Also I would be relocating anyway and would hope to live clos...

 
1
Q: Add language version option unavailable

sukeshUsing Sitecore 10.1.3. I have created 3 roles: MyProject Reader - member of Sitecore\Sitecore Client Authoring MyProject Editor - member of Sitecore\Sitecore Client Designing MyProject Approver - member of Sitecore\Sitecore Client Publishing I have assigned Language:Read & Language:Write for al...

 
2
Q: Is using "oe" in place of "œ" perceived as a mistake in writing?

temporary_user_nameAlthough I've always known about it, I have never bothered to actually write the œ character in the words that use it, instead always just writing oe. Nobody has ever commented on it, but I'm just wondering -- do native speakers in their text messages write œ or do you just write oe? Is it percei...

 
2:30 PM
1
Q: can I replace only caliper pistons or just replace the whole caliper?

haringManggi my front right wheel is getting hot after driving 30kms it has a history of collision on the front right side (previous owner) I've already tried rebuilding using some caliper repair kit but issue is still the same my next item to check is the caliper or caliper piston now, should I first repla...

 
1
Q: Generate variables in multiple integral

ZsomborI want to do a multiple integrate with n variables. When I change the value of n, I do not want to rewrite the variables in the integral manually like here: fn[n_] := Product[x[i], {i, 1, n}]; n = 3; Integrate[fn[n], {x[1], 0, 1}, {x[2], 0, 1}, {x[3], 0, 1}] Instead of that, I want to generate t...

 
3:14 PM
2
Q: JQ returns json lines without commas

SeerTo be clear - I want a pseudo-JSON output that will be written into another static JSON file here... so not wrapped in an array or anything, simply getting the missing commas after each entity in my output. Currently my query is: .[] | select(.auditId == "categories") | { "type": "section", "...

 
TeX
2
Q: how can i use figure environnement with section and subsection command?

Aliai write this code: \subsubsection{Aller au calcul} \begin{figure}[h] \centering \includegraphics[width=5in]{FG3} \caption{Page d'aller au calcul} \end{figure} \subsection{Pages de calcul} \subsubsection{Activités} \begin{figure}[h] \centering \includegraphics[width=5in]{FG4} ...

 
Ham
1
Q: Are Baofeng radios legal in the US?

o'oAfter having acquired a Baofeng, 5 days later, I found out that it is illegal. I know about this question being the same as mine, but the answers were mixed. There was one saying it is legal and another one saying 99% are illegal. Also, the question was asked 4 years ago, so its outdated. I read ...

 
2
Q: First Isomorphism theorem for rings - what am I missing

DibidusI am writing some strict algebra notes and am stuck with the most basic stuff, as is the First Isomorphism theorem for Rings. I am working over commutative rings with unity. The problematic part of the formulation of the First Isomorphism theorem for Rings says that if $f: R \to S$ is a ring homo...

 
3:39 PM
3
Q: What are some alternatives to horses in a medieval world?

wwwAssuming horselike animals do not exist on the planet where my story is set, what would be the most effective way to travel as fast as possible over land in a medieval world? In terms of animals, they're similar to what you'd find in the rainforests on the west coast of North America. Really anyt...

 
CS
2
Q: Would normal atoms and antimatter atoms be attracted to each other?

Paul CussonI believe I have been holding a misconception for a long time, surely dating back to some sketchy science fiction. I would like to verify what truth there is in this. Say you had person $A$ floating in a vacuum, and an exact copy of person $A$ but made out of antimatter, call them person $B$, was...

 
3:59 PM
1
Q: Does the anti-Christ in Islam have one or two eyes?

Dong LiI have been studying the Quran about what prophet Muhammed wrote concerning the physical attributes of the anti-Christ. Does the Quran actually confirm that he will have two eyes but one eye will be blinded? or does it actually say that this person will only have one eye on the head? This is beca...

 
TeX
4:45 PM
2
Q: highlight a data point on a colormap

GagikI am trying to highlight a data point on a colormap in a way to add a bigger circle mark at the coordinates (3.6,47). In this example (see the plot below) I just added additional point at this coordinates and chose the color close to what I see. I wonder if there is a way to add the exact same po...

 
3
Q: How does legislation "tel(l) judges to ignore a range of human rights safeguards baked into the UK's complicated constitution"? With what words?

uhoh do I really dictateThe BBC's April 23, 2024 Rwanda: Why a migrant plane won’t be taking off anytime soon contains the following: Legal challenges In June 2022, the battle to put the brakes on the first flight went all the way to the European Court of Human Rights (ECHR). The first flight to Rwanda was cancelled mi...

 
CS
2
Q: Filter non-inverting input of operation amplifiers or directly to GND?

AndromedaIn the following configuration on this operation amplifier (OPA838), which is transimpedance configuration, can I connected the non-inverting input directly to GND, or should I use this filter? Not using this filter can cause instability? this can just improve the DC offset? in general why shoul...

 
5:08 PM
1
Q: exFAT for mechanical spinning external HD as cross-platform backup?

StackerWe have a mix of Linux (Debian) and MacOS laptops. I have a 4 TB external USB mechanical rotary drive I'd like to use for backups. I'd not want to partition the drive with different file systems for each OS because IDK yet how much space each requires. So I need a file system that works on both s...

 
1
Q: CountryData syntax

SyedWhich of the following syntax variations are correct? For the incorrect? syntax, what does the obtained value represent? Statements 2/3 and 4/5 are identical; I was trying to see if it was a bug. CountryData["Ireland", "GiniIndex"] CountryData[#, "GiniIndex"] &@Entity["Country", "Ireland"] Coun...

 
9
Q: Which female character in the MCU had the earliest comic book debut?

galacticninjaI recently stumbled upon a fascinating question here: “Which character in the MCU had the earliest comic debut?” While reading through the answers, I couldn’t help but notice that they all featured male characters.  Now, don't get me wrong, I like those characters as much as the next person, but ...

 
TeX
5:54 PM
1
Q: Vietnamese and Cantarell

anonimoI'm using Cantarell font to write an article in Vietnamese. However, if I use \usepackage[utf8]{vietnam} then the font was automatically changed into normal LaTeX font. The same thing happened when I use \usepackage[vietnamese]{babel}. If I don't use these package, then the text isn't generated c...

 
4
Q: How might a civilization that comes after us be aided by the fact someone has been here and done it before?

FrossDSuppose a hypothetical apocalypse scenario that wipes out all human beings, but leaves infrastructure and the like behind. In particular, digital technologies are mostly unaffected. Consider then, that an amount of time passes, allowing nature to reclaim the earth, and a fair bit of natural inter...

 
6:15 PM
1
Q: Does the signature of a method create a dependency between the implementation of that method, and the code that invokes it?

user3899725I am reading Ousterhout's A Philosophy of Software Design. In Section 2.3, Outserhout writes: The signature of a method creates a dependency between the implementation of that method and the code that invokes it: if a new parameter is added to a method, all of the invocations of that method must...

 
4
Q: wannier90 compilation error (MPI)

wenuI tried to build wannier90 for parallel execution in a fedora system. However, I encounter with the following issue repetitively. ... ... ... Error: Type mismatch between actual argument at (1) and actual argument at (2) (CHARACTER(*)/COMPLEX(8)). ../comms.F90:289:19: 289 | call MPI_bcast...

 
3
Q: Natural Numbers

SpeltzuLet $L$ be a countable language and $M$ be a model of $L^N$ (the realization of $L$ in the natural numbers $N$) in which every recursive unary relation is expressible. Show that $M$ is not recursive.

 
1
Q: How are some FIDE rated tournaments organizing 3 classical games per day?

Abhyuday Vaish58th Begonia Open 2024 was a FIDE rated tournament held in March 2024 in Ballarat, Australia. The tournament consisted of 7 rounds and on one of the days there were 3 rounds of classical chess a day. But according to FIDE's Handbook: 1.1.3 No more than 2 rounds shall be played on any day. ...

 
6:41 PM
1
Q: What reaction takes place when ammonia and sulfur dioxide are introduced into barium chloride solution?

youthdooWhat reaction takes place when gaseous $\ce{NH3}$ and $\ce{SO2}$ are introduced into $\ce{BaCl2}$ solution and an insoluble white solid is produced? I think that the white solid could be $\ce{BaSO4}$ or $\ce{BaSO3}$. If it is the former, then some redox takes place. But I'm not sure what $\ce{NH3...

 
7:01 PM
2
Q: Clothing of slaves and 24:31

ResonanceI have read that slaves do not veil from strangers. I want someone to give a proper explanation of how does that reconcile with 24:31: And tell the believing women to lower their gaze and guard their chastity, and not to reveal their adornments except what normally appears. Let them draw their v...

 
3
Q: Why has the number of Germans in Kazakhstan begun to increase?

HenningssonAccording to the latest census in Kazakhstan: "The 2021 Census revealed for the first time since the dissolution of the USSR, that the ethnic German population of Kazakhstan had increased to 226,092 from 178,409 in 2009." This is a rather sharp increase and seems quite strange to me, as Kazakhsta...

 
CS
1
Q: Why would two different sized bikes not arrive at the same time starting from rest on the same slope?

seraxI was cycling with my little sister who was a little upset by the fact that I would arrive first at the end of a small bridge when we both started from the middle (where the plane is not inclined). Once we arrived home our dad told her that there was nothing to complain about as I am heavier than...

 
7:46 PM
3
Q: Snail matrix in Java - version III (generalizing)

coderoddeOnce again, in the previous version, Alexander Ivanchenko helped me with his awesome answer. Now, I have improved the toString() and, also, generalized the class to handle matrices of any dimensions, not only square matrices. Given an \$m \times n\$-matrix, we start setting its elements \$1, 2, ...

 
1
Q: Platform Events a nightmare - How to make them work in real life

Robert SösemannI am trying to build a Platform Event-based application logger where arbitrary application code calls Tracker.log(...); and this is sent as an Event into an external database via an API. As it's important that Events are sent even if the transaction fails The tracking itself should merely never ...

 
2
Q: Sum of products of Fourier coefficients in finite field

UserLet $\mathbb{F_q}$ be some finite field and let $f,g: \mathbb{F_q} \to \mathbb{C}$. By $\hat{f}, \hat{g}$ let's denote the Fourier coefficients of $f,g$ with respect to the additive characters of the field. How good an upper bound can we exhibit for the following sum (if it's possible to find a n...

 
7
Q: Any way to detect SparcWorks on SunOS?

vonbrandI've got a legacy C++ code base which includes the following: // this kludge is required because SparcWorks 3.0.1 under SunOS // includes malloc.h in stdlib.h, and misdeclares free() to take a char*, // and malloc() and memalign() to return char* Clearly this is some leftover from ancient C. Th...

 
8:11 PM
6
Q: Braidings on Temperley-Lieb Category

JeClLet $k$ be a field, and let $q\in k^{\times}$. We can then consider the Temperley-Lieb category $TL(q)$. The objects of $TL(q)$ are the non-negative integers, and morphisms are roughly isotopy classes of string diagrams (without crossings) contained in a planar strip up to the relation that any c...

 
CS
1
Q: Why are all the closed surfaces that appear in Gauss' law section very long or infinitely continued?

petit beautéI want to know why every question starts with an assumption that a rod, cyliner, plane, etc. is very long.

 
8:33 PM
7
Q: 11x13 Chocolate Banana Followup

Sunny LuYour goal is to maximize the absolute difference of the numbers marked ?. (? marks indicate region areas. They may or may not belong in the same region which another number or ?. They may or may not be shaded.) Answers must prove their claim (and provide a construction). Normal Chocolate Banana ...

 
CS
3
Q: How do parallel reflected rays meet to form image at infinity? If they never meet then how is image formed?

Shivam GogiaIn my textbooks it is written that when an object is kept at focus, its image is formed at infinity and is real. But how is this possible because parallel lines never meet and it is necessary for rays to meet to form image. Furthermore on youtube there are videos where the object is kept at focus...

 
3
Q: Using CC BY SA video with my own copyrighted music

AaronI am a music producer and am releasing an album shortly of which I own the copyright to the tracks (although some Master Recordings are signed to a record label in a commercial agreement). I would like to adapt one piece of CC BY SA video footage for a music video accompanying my original music....

 
8:55 PM
3
Q: i really need to know how to concave a circle svg file please

mirou amirWhile I don't have any experience in 3D design, I need to create a concave shape for this painted circle that looks like a saucer.

 
5
Q: How to apply Ito's Formula to show that this is a martingale?

DovahkiinIn the book Brownian Motion, Martingales and Stochastic Calculus by J.F. Le Gall, in order to give an alternatice derivation of the distribution of $L_{U_{a}}^{0}(B)$ where $L^{0}_{t}(B)$ is the Local-Time at $0$ of a Standard Brownian Motion and $U_{a}=\inf\{t:|B_{t}|\geq a\}$, he states as a re...

 
9:18 PM
3
Q: What prevents ZKP proofs to be misused by others?

user60588In ZKP, if a prover P1 possesses a secret number S and generates a proof PRF for the possession of the same with the aim to prove it to a verifier V1. But, what prevents V1 from misusing the PRF and present itself to others as the one in possession of the secret S (misrepresenting itself as P1)? ...

 
DIY
1
Q: My new deadbolt locks with key from outside but lock knob on inside will not turn unless key is in outside lock

NancyI installed a new Atlas deadbolt and thought I followed the directions carefully. The store keyed it to my original Kwikset key and the key turns the deadbolt with the key in the outside lock, the inside knob also locks and engages the deadbolt whether the door is shut or open. When I remove th...

 
1
Q: How to list all vertex of a one-cycle graph in order (cw or ccw)?

internetAssuming I have a graph with a single cycle below, I want to list the vertices of this cycle in order. Whether it's clockwise (CW) or counterclockwise (CCW) is okay, as long as we are consistent. So the result could be one of something like this: {9, 7, 8, 3, 1, 2, 4, 5, 6} (CW) or {9, 6, 5, 4, ...

 
5
Q: hadamard product decomposition with lower rank matrices

Yuchen HeGiven integers $k$ and $l$ and matrix $A$ of rank $kl$, can we always find matrix $B$ of rank $k$ and matrix $C$ of rank $l$, such that $A$ is the Hadamard product of $B$ and $C$, namely $A=B \odot C$? For example, when $k=2$ and $l=2$ and $A$ is the 4 by 4 identity matrix, \begin{equation*} A = ...

 
13
Q: Short story about a late night feline meeting

user174442I'm trying to find a story I read once about a late night cat meeting. Cats from all over this city are called somehow to sneak out at night for this gathering. I think in the story you're following 1 or 2 house cats as they are called to attend this gathering. When they get there, it is a Siames...

 
5
Q: What problems will arise if we define matrix multiplication this way?

pie$a\in \mathbb{R}^n$ $a=(a_1,a_2,\dots,a_n)$ lets define this to be equivalent to $(a_1,a_2,\dots,a_n,0,0,0 \dots,0)$ (finite many zeros) by this I think we can make an $n \times m$ matrix $A$ equivalent to any $ p \times p$ $B$ matrix with $p\ge \max\{n,m\}$ by $B_{ij}= A_{ij}$ if $1\le i\le n$...

 
9:40 PM
2
Q: How can I smooth out or turn a pixelic mesh into a curve?

Megan LoveI have this mesh in Blender 4.1 and possibly more types of meshes with this type of pixelic art, but I can't figure out how I can smooth it out and turn it into a curve object. Don't worry about the square faces inside, this is just the initial mesh which I put a Limited Dissolve to remove all ...

 
10:03 PM
1
Q: Who is supposed to pay for the conference fees for a PhD student?

user366312When a PhD student wants to attend a conference to present a paper, a poster, or just to participate as an audience, who is supposed to pay for the fee? What is the rule of thumb?

 
TeX
4
Q: How can I draw missing vertical lines in tabular?

alperI want to draw missing vertical lines in a tabular. I think \multirow{2}{*}{} prevents table's vertical line to be drawn. My code: \documentclass{article} \usepackage[a4paper,margin=1in,landscape]{geometry} \usepackage{makecell} \usepackage{multirow} \usepackage{booktabs} \begin{document} \begin...

 
3
Q: The advantages of using KEM compared to applying traditional PKE approach

User0258I am studying a thesis on the design of a key encapsulation mechanism (KEM). In section 2.6 (page 18) of this thesis, the following explanation is given about the difference between KEM and common methods: KEM is a method used by two parties to derive a symmetric key using public-key cryptograph...

 
GIS
3
Q: Transforming an sf feature without M-values into one with M-values

Felipe D.Basic question Working with the sf library in R, how can I add M-values to a geometry that doesn't already have them? Or put differently, given an sf feature without M-values, how can I create a new object with the same coordinates as the original, but which also contains M-values (for example, j...

 
10:27 PM
1
Q: How to represent unitary evolution in Python?

saaru darshiniHow to represent $U(t)$ (a unitary operator) in a code? Is there any package available for that in Python?

 
3
Q: Does fully frozen food (bread) give off any moisture?

AndreasOr "does bread benefit from being in a sealed bag once frozen?" I bake bread rolls regularly and freeze them in sealed plastic bags, and then I thaw one or two at a time. Sometimes I don't bother resealing the bag afterwards, which leads me to this question. I've been assuming that sealed bags he...

 
10:48 PM
1
Q: Questioning why LVM for the OS Disks in cloud environments is not recommended

supmethodsI recently came across a recommendation from Microsoft regarding the configuration of Logical Volume Management (LVM) in cloud environments, and I find it somewhat puzzling. The recommendation states that while it's possible to configure LVM on any disk attached to a virtual machine (VM), most cl...

 
11:11 PM
4
Q: I have a really bad publicly available master thesis

BrajkovicMI have a really bad master thesis that's publicly available. I ran out of time and submitted it without proofreading it. Now it's publicly available and it has a lot of grammatical mistakes, nonsensical structure and flow, and a lot of in-text citing mistakes. My jury didn't even read it and gave...

 
11:33 PM
4
Q: How to plan a trail route?

mattia.b89I weekly organise a 10-15km long hiking session; for a logistic matter, it is always a loop (I end where I started...); and I always follow a rule-of-thumb: start from the "bottom" point. Thus, established the route, should I start from the "right" or the "left"? Here is an elevation profile of a...

 
11:58 PM
3
Q: On the bounded derived category of sheaves with coherent cohomology

Fernando Peña VázquezLet $(X,\mathcal{O}_X)$ be a locally ringed space such that $\mathcal{O}_X$ is locally notherian, and let $\operatorname{Coh}(\mathcal{O}_X)$ be the category of coherent $\mathcal{O}_X$-modules. The inclusion $\operatorname{Coh}(\mathcal{O}_X)\rightarrow \operatorname{Mod}(\mathcal{O}_X)$ induces...

 

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