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00:11
5
Q: According to Aristotle are actions substances?

Marco DisceActions can have qualities and be subjects, like when we say "walking is good for health". Would Aristotle say that actions are substances?

TeX
TeX
3
Q: Repeat the same TikZ graphic to fill the entire page

rdrg109What I'm trying to do I am creating some handwriting drill sheets. In these sheets, the exact same pattern is repeated horizontally and vertically over the entire page. The following 3 images were created using Inkscape, each of them represent the content of a single page that I want to create us...

2
Q: How to make all the fontawesome5 icons in a document small?

AxiaI found that the fontawesome5 icons always a little larger than the text next to them. So I should type some text before \small\faIcon{youtube}\normalsize some text after..., it's a little trouble. Could I have a method to change all the fontawesome5 icons smaller in a document? What's more, I kn...

1
Q: Travelling on passport that has 1.5 months left

localhostI was supposed to get a new passport last week but it turns out they have delayed it for 1 month, while I booked tickets for next weekend. I am travelling from the UK to Saudi Arabia with a layover in Turkiye on a Pakistani passport. The first airline is Turkish and then flyadeal. Will I be able ...

00:35
1
Q: PTIJ: Are we allowed to eat talking animals?

Rabbi KaiiWhat is the din of eating a talking animal? E.g. Bilaam's donkey, the Nachash (if he hypothetically was still uncursed at the time), Sonic the Hedgehog, etc? Kashrut aside (e.g. a non-Jew, or when no other food is avaible, etc), is it allowed? What would be the halachot? This question is Purim To...

1
Q: Solving divergent Integral

liaI want to solve this integral. using Integrate I get it done, but the problem is it results in complex values, which is incorrect for my problem (has no physical meaning). I'd like to know if there's any other way to solve these kinds of integrals in Mathematica? Is NIntegrate acceptable in such ...

ELL
ELL
1
Q: What is the difference between "pretty" and "handsome" in this context?

user20437 She has a fine face—originally of a character that would be rather called very pretty than handsome, but improved into classicality by the acquired expression of her fashionable state. Bleak House by Charles Dickens Does "pretty" mean more feminine here? Or does it mean she is pretty but not at...

00:57
1
Q: Where was Saint Patrick of Ireland born?

OrthodoxThere are claims that his birthplace is Scotland, England or even Wales.

01:44
1
Q: What was Lazarus longing for, in Lk 16:21 ? :

Kadalikatt Joseph SibichanWe read in Lk 16:19-21: There was a rich man who was dressed in purple and fine linen and lived in luxury every day. At his gate was laid a beggar named Lazarus, covered with sores and longing to eat what fell from the rich man’s table. < Some say that rich Jews used to clean their fingers bet...

2
Q: How does "katecho" compare in 1 Corinthians 15:2 with its use in Romans 1:18?

C. Stroud1 Corinthians 15:1-2 ESV "Now I would remind you, brothers, of the gospel I preached to you, which you received, in which you stand, 2 and by which you are being saved, if you hold fast to the word I preached to you unless you believed in vain." [hold fast//katexete/katecho] My emphasis. "Hold ...

8
Q: Looking for a sci fi story with bio augmentation and hoopers

Dave NewmanI think I read this as a young teen many decades ago (I am 54) Two men were doing space adventure stuff. He's bio augmented but can only activate it for short periods and a fungus is mentioned that causes green bands "hoops" to show on the infected. You can tell how dangerous a hooper is by the a...

CS
CS
2
Q: Why is this zener in series at the base of transistor, and has something failed?

BZoI am debugging an ancient little impact printer and in my probing have found an unexpected voltage level. I'd like to understand this part of the circuit, why it's constructed as it is, and whether what I'm looking at is part of what's wrong, or as expected: (Detail from the schematic here) The ...

02:07
3
Q: Do internal combustion piston engines have a place in an interstellar civilization?

BigDumbSo purely electric vehicles are clearly the future. Battery tech is getting better every day and EVs are gradually getting cheaper. However, they don't sound cool. They don't really sound like anything at all. So let's say humanity advances to the point where we find several habitable planets tha...

CS
CS
2
Q: I do not understand behavior of current in 74HC4066

agushaFrom the Nexperia 74HC4066 datasheet, page 4, table 4, footnote 1, what does it mean: To avoid drawing VCC current out of terminal Z, when switch current flows in terminals Yn, the voltage drop across the bidirectional switch must not exceed 0.4 V It is not clear to me.

CS
CS
02:53
4
Q: What happens to noise after crossing through a bypass capacitor?

Gabriel CorralesI understand that bypass capacitors provide a lower impedance path for oscillating noise. However, capacitors aren't able to dissipate energy (apart from their effective series resistance), so all the noise should get to ground almost without getting affected. My doubt is what happens to this noi...

DIY
DIY
03:14
1
Q: Whole-house surge protection: "intramural" surges

mr blintIs there such a thing as a whole-house surge protector installed at or near the panel that can shield devices inside the home from surges originating on the mains, as well as shield devices inside the home from surges caused by other devices inside the home? I've tried reading about this but find...

2
Q: PTIJ: Forfeit your own Olam Haba?

Curious YidThey say if you embarrass someone, you lose your chelek in Olam Haba. So if you try to go for a high note during leining and have a voice crack and people make fun of you and thus you caused your own embarrassment, do you lose your portion in Olam Haba? This question is Purim Torah and is not in...

1
Q: How to motivate and deal with speculation?

cpt.priceI hope/think that this is an appropriate soft-question. I am a student of mathematics and have been increasingly feeling doubtful about whether or not I really understand the theory. What I mean by this is highly attributed to the style of textbooks in presenting information. Authors simply write...

03:38
1
Q: Can Fortnite Vbucks cards be used on any console?

Mikayla RobbMy son has multiple consoles linked to his Fortnite account. I just bought him a Vbucks card from Walmart, does it matter what console I pick? If I click Nintendo Switch, can he spend them on the Playstation?

03:58
1
Q: Installing mysql-community-devel on RHEL9, "Errors during downloading metadata for repository 'mysql80-community'"

agent provocateurThis is my second instance where I am doing this installation and it is not working as expected... dnf -y localinstall mysql80-community-release-el9-5.noarch.rpm I installed mysql80-community-release-el9-5.noarch.rpm Then I don't remember exactly but I think I was able to install mysql-community...

04:22
3
Q: To which fundamental rights is the new UK government definition of extremism referring?

User65535The UK government has updated their definition of extremism to one which starts: the promotion or advancement of an ideology based on violence, hatred or intolerance, that aims to: negate or destroy the fundamental rights and freedoms of others; or ... Is it clear to which fundamental rights ...

CS
CS
1
Q: How do Hall-effect sensors work in multi-pole BLDC motors?

FourierFluxI'm somewhat confused on how Hall-effect sensing works for multi-pole BLDC motors. The Hall-effects sensors I have seen, for example in the image, often are in an arc and not evenly distributed. I was wondering how they are really used to detect speed/direction in these applications, particularly...

04:47
1
Q: Will air in a shockwave flow outwards?

WyattIt's well known that shockwaves extend outward from a plane, as seen in this picture. My question is, does the high-pressure air in the shockwave extend outward? This is hard to explain so I'll let the picture do the work. Basically I'm asking if air will flow where the black arrow is pointing,...

05:06
3
Q: Finding the nautical 'chart datum'/LAT, and heights above it, visibly in a physical landscape

CaptainpadlockI live in Totnes, a UK town on the tidal river Dart estuary. There is a perfect height of water for putting my canoe into the water, at a set of steps near a local pub. Being tidal, this perfect water height occurs several times per day.There are no measurements on the steps and the river bed is ...

9
Q: Fantasy novel read in the 80s or early 90s. Protagonists visit a land where people only speak by quoting their holy book

Judith JonesThe way language works in this country is explained to the visitors. The person teaching them says that here only children speak language in the ordinary way. Amongst adults, many never speak at all. The rest speak only in quotations from their holy book. One of the visitors asked how they commun...

05:52
2
Q: What is causing a weird behavior of ext4 filesystem

melonfsckI was using ext4 filesystems for a long time, and it's the first time I see a weird behavior of ext4 filesystem. There is ext4 filesystem in /dev/dm-2 An I/O error happened in the underlying device, and the filesystem was remounted read-only. It is fine and expected by the configuration.But for s...

3
Q: Creating Volcano/Funnel Shape Around SVG Contour in Blender

JDCMI'm currently attempting to create a volcano or funnel shape around the contour of an SVG, incorporating either a logo or text. My goal is to extrude all the contours in such a way that it resembles a regular extrusion of thin letters at the top but gradually thickens towards the bottom, akin to ...

CS
CS
2
Q: If the set of Turing machines is countably infinite, how can a Turing machine always have a finite set of states?

Wisdom IwuezeI have only begun studying this subject and have only completed the first few chapters of the Elements of the Theory of Computation. I have seen the answers (on this site and elsewhere) saying that the set of all Turing machines is countably infinite. Intuitively, this makes sense to me, as I can...

 
1 hour later…
07:01
5
Q: PTIJ: Whats so special about Cola?

ShlomyIt says in Bireishis 24:1 Hashem blessed Avraham Bakol. Targum Onkoles tiches Bakol to mean Bicola. With Cola. Why was Cola such a blessing? Also we praise Hashem in Brich Shimeh. אנת הוא שליט על כלא. He has control over Cola. What's so special about Cola? This question is Purim Torah and is not...

DIY
DIY
07:46
2
Q: Does every single ground wire in a box have to connect to every other ground wire within the confines of that same box on one branch circuit?

Ryan Mortensen I have a 3-gang plastic box with six conductors that enter the box; three line-side, three load-side, and they pass through the three switches in pairs of two. The load-side wires are all on the same branch circuit, and they all come from a common split point in another junction box upstream whe...

CS
CS
2
Q: Why aren't big electromagnets made of iron?

Joseph SummerhaysThe strength of a magnetic field is proportional to current and decreases with distance based on the permeability of the medium it travels through. For small electromagnets, it seems it's obvious you want to minimize resistance to maximize current. But as an electromagnet gets larger, outer layer...

RPG
RPG
4
Q: Do Vampires have to make an attack roll in order to bite a willing target?

enkryptorA Vampire's Bite action is described as: Bite. (Bat or Vampire Form Only). Melee Weapon Attack: +9 to hit, reach 5 ft., one willing creature, or a creature that is grappled by the vampire, incapacitated, or restrained. Does this mean a vampire has to succeed an attack roll and the target has to...

CS
CS
08:10
4
Q: What is the standard procedure for analogue IC tapeout?

George GuoThis is probably a very broad question and I will try to be more specific. I'm asking this question to get a sense of the gap between my knowledge and a 'successful' tapeout, as I've heard many people say tapeout is a very tedious process that's difficult for novices to do (I'm intimidated). I on...

08:55
1
Q: Labour-Intensive staple crop

RhomaioiI am trying to design a staple crop (preferably grain or tuber, but can be anything if necessary) that is very productive, capable of sustaining great population densities, but is also very labour intensive and very, very difficult to mechanize or automate in it's production. The objective is to ...

7
Q: 1970s novel in which an ancient spaceship is unearthed and flies to alien worlds

TeasingDartTrying to identify an old paperback: An alien spaceship is excavated and found to be very old (millions of years?). While investigating, it unexpectedly takes off with a few people aboard. It travels to alien world(s) that are now ancient ruins. This was a paperback Sci-Fi novel that I read somet...

09:19
1
Q: PA + "(PA + this axiom) is consistent"

volcanrbBy Gödel's second incompleteness theorem, no sufficiently powerful formal system can prove its own consistency. I was wondering what happens if one tries to manually append an axiom stating a formal system's own consistency to an existing formal system. By the $2$nd incompleteness theorem (assumi...

10:02
2
Q: Evaluate Ternary Logic

Dannyu NDosObjective Given an expression involving ternary values, evaluate it into a ternary value. Ternary Values The three truth values in question are the values of Haskell's Ordering, namely LT, EQ, and GT. They stand for "less-than", "equal-to", and "greater-than", respectively. Furthermore, they them...

10:24
1
Q: Plagiarism or just cheating?

LyndaElaineI teach a course on how to write a scientific paper. One of my requirements is no copy and pasting. Period. Including quotation marks and an inline citation does not get a student around this rule/instruction. I consider it to be plagiarism. The instructions on every writing assignment is it must...

TeX
TeX
1
Q: Cross-multiplying factorisation diagram

Ms ThanhI was wondering if there is a better way to produce this diagram via Tikz on cross-multiplying in factorisation. I have done this so far but the arrows do not always align with the linear factors and I constantly have to adjust it. \begin{center} \begin{tikzpicture}[scale=0.7] \draw[<->] (-0.7...

2
Q: Table bases: an endgame challenge

user2925716From where can I download this "data/syzygy/regular" file so that the code below becomes functional ? import chess import chess.syzygy with chess.syzygy.open_tablebase("data/syzygy/regular") as tablebase: board = chess.Board("8/2K5/4B3/3N4/8/8/4k3/8 b - - 0 1") print(tablebase.probe_wdl(board))...

11:11
3
Q: What short-term accommodation options are available in Singapore for a foreign middle-school student group?

ChalcosomaWhat are some suitable accommodation options for a group of twelve 10- to 13-year-old foreign children visiting Singapore for a week during a school trip? Ideally, it would be in or within reasonable commuting distance of the central area. Hotels are an option, but would require arranging additio...

11:32
1
Q: Working two remote jobs -- What to do?

Da_PythonMasterI'm based in the UK and have been working remotely for my current company for two years. Recently, I've been exploring other job opportunities and have received an attractive offer. However, I'm hesitant to leave my current role due to various reasons, including the current climate of job instabi...

11:55
2
Q: Situations when recursion helps

l4m2Recursion is actually quite powerful, sometimes its doesn't look like that child problem of itself exist, but recursion is just helpful. One case per answer.

2
Q: Tally elements in a list of matrices up to an overall sign

JohnnyBI have a list of matrices like the following one with 6 elements: lst = {{{(2 I)/3, 0}, {0, -((2 I)/3)}}, {{0, -(2/3)}, {2/3, 0}}, {{-((2 I)/3), 0}, {0, (2 I)/3}}, {{0, (2 I)/3}, {(2 I)/3, 0}}, {{0, 2/3}, {-(2/3), 0}}, {{0, -((2 I)/3)}, {-((2 I)/3), 0}}}; and I would like to look...

12:17
3
Q: Why don't the USFS or NPS use vermicomposting toilets?

user121330This may belong on either politics or law. Given that vermiculture toilets now have a bit of a track-record and that the cost of pumping vault toilets is quite significant, why doesn't the US government use worm-compost style toilets, especially in remote areas administered by BLM, USFS, NPS, etc...

1
Q: Is there any way to get `find` not to quote the result of -printf

ThayneI want to use the find command with -printf '%h\0' to print the leading directories, separated by the nul character. Since I am using \0, I don't need, and don't want find to quote the results, as described in the "UNUSUAL FILENAMES" section of the find manpage. Is there any way to tell find "I r...

2
Q: Why would two factions in a long-running civil war tolerate the existence of a city not controlled by either party?

BatpersonIn the world in which my story takes place, a large country is contested by two factions which both claim to be the legitimate government. There was armed conflict in the past, but both sides signed a ceasefire agreement which has lasted for around 20 years, although this state of affairs is not ...

DIY
DIY
12:41
1
Q: Is HVAC heat pump condenser better mounted to a wall or a flat roof?

dabiMy home has a split flat roof. One section is 3' taller than the other. I'm considering replacing my gas furnace with heat pump. Would it be better to install the condenser unit on top of the flat roof, or mounted to a bracket on the wall that is pictured. I prefer wall because its less holes...

13:06
1
Q: The analysis of 'for NP to VP' in HPSG

JK2This is from a paper titled "What for?" by Bas Aarts: (35) [NP It [S′ [COMP for] [S Mary see his relatives]]] [M may] [VP distress John] Bresnan’s account was very influential in proposing that COMP and S together form an S-bar constituent (indicated as S′ in (35)). However, it is not clear how...

13:25
3
Q: Why was the National Popular Vote Interstate Compact written not to take effect until it has an absolute majority of electoral votes?

Steve V.Closely related: Does the NPVIC only take effect once enough states sign for it to have legal force? . That question asks whether, this question asks why. The National Popular Vote Interstate Compact is written so that: the agreement would go into effect among participating states only after th...

2
Q: How are Bitkey's spending limits enforced?

atonaltensorBlock's new Bitkey is a 2-of-3 multi signature wallet (https://bitkey.world/en-US) I've been reading their white paper, which is a good summary of their intentions, but doesn't really go into technical details. Basically, you need 2 of 3 (phone app "mobile key", hard wallet "hardware key", their ...

2
Q: How did Lightning not realise that he was going in the wrong direction?

Жека КрутойIt seemed to me as a child, when I first watched Cars (2006), that after Lightning chases down a truck and discovers it is not Mack, he wants to get back to the Interstate, and he turns and goes back the way he came (to the Interstate), but arrives to Radiator Springs. Why didn't the disappearanc...

1
Q: Would two hours between landing in SFO, and flying to Vegas be enough? I have to claim and recheck the baggage

Stefan MarchlewskiI just learned that I have to claim and recheck my baggage in SFO. Would 2 hours be enough to do that?

2
Q: Where is this Google Meet backdrop?

Mark MayoApparently it's called "Home Office by the Bay", and a colleague and I are wondering where it's taken (or if it's AI generated).

2
Q: Number of ways to sit six people at a circular table such that two of the people cannot sit immediately beside each other

marlite Problem: Six people are to sit at a circular table. Two of the people are not to sit immediately beside each other. Find the number of ways that the six people can be seated I'm really stuck on this question. The correct answer is $72$, but my solutions seem to be incorrect (I get $432$ ways as...

14:10
2
Q: Density of states does not scale properly with supercell

TheSimulatorI am performing some DFT calculations of monolayer hexagonal boron nitride in Quantum ESPRESSO. I have been trying to calculate the density of states of a 7 x 7 supercell of h-BN, but the resulting density of states does not scale up properly. For a 1 x 1 primitive cell system, I get a smooth plo...

CS
CS
14:35
1
Q: One-way Tachyonic anti-telephone

Dr. user44690When you have length contraction in special relativity $$L' = L/\gamma$$ the interpretation is that $L'$ is the length of an object with rest-length $L$ moving with respect to an observer at rest. Now, similarly in a tachyonic antitelephone we have $$\Delta t' = \gamma (1- a v)\Delta t$$ where $...

15:18
3
Q: Looking for feedback on a flavour of Radix tree I wrote. The idea is speed on find() time if keys share common prefixes and are known ahead of time

ver2My project explores some ideas i've had regarding alternate data structures to the unorderd_map and map, and aiming the exploration to key sets with a non uniform distribution and key sets with common prefix's. I've posted the code to GitHub in full. see -> FlashRadixTree. As you can see below fo...

1
Q: Do statements always have the same truth value, and that truth value is just revealed, or can they have different truth values at different times?

AnathemicallyExample: I state that a coin will come up heads, then flip it. While the coin is flipping, does the statement 'the coin i just flipped will come up heads' have a truth value? Based on my understanding, it's unknowable, so it doesn't have a truth value associated with it. I am not yet incorrect or...

TeX
TeX
1
Q: aligning element of matrix spacing multiline

Davut KesenSince this matrix is ​​so long, it can only fit in 3 rows, but its elements are not aligned one under the other. How can I align this? Because it's not visually good this way \begin{multline*} \left[\begin{matrix} \begin{array}{ccc} \langle(0.70,0.80,0.90,1.00);0.7,0.8,0.9,...

15:41
1
Q: on discord, how do you show/hide the list of users in a room?

barlopon discord, how do you show/hide the list of users in a room? for example I used to see a list in discord on the side showing all the users in the room.. but I don't see it anymore.

1
Q: Basins of attraction using Newton-Raphson method for nonlinear system

onkI am trying to construct basins of attraction using the newton's method for the system of two equations whose roots are real. I need to develop a code to get basin of attraction. Unfortunately, my code does not work. Can anyone please help me find the error in my code? I don't understand what ex...

16:03
1
Q: How to reprimand PhD students I am supervising?

quantacadI am a PostDoc leading a project X. I have two PhD students directly supervised by me working on this project. They are 'officially' supervised by my professor. Both these PhD students went to my supervisor (the professor) to have a meeting. I was not asked to join, which felt strange. It turned ...

TeX
TeX
2
Q: Making diagrams smaller in beamer

IanMI want to shrink a diagram so that it fits on the page in a beamer document. Here is what I have \documentclass{beamer} \usepackage{amsfonts,amsmath,amscd,amssymb,amsthm} \usepackage{fullpage} \usepackage[pdftex]{pict2e} \usepackage[alphabetic,initials]{amsrefs}%this kills the up-arrows in the b...

2
Q: The gender of the Hebrew word Spirit in Hebrew English Interlinear

AustinEvery resource I've come accross that coments on the gender of the Hebrew word for Spirit mentions that it is generally female in gender. For example 'The Hebrew and Aramaic Lexicon of the Old Testament' (HALOT) states: "Generally רוּח‎ is f(em).; only seldom is it masc., as in Ex 10:13,19 Nu 11:...

16:26
1
Q: A good and scientific way of saying "holistic approach" or "holistic philosophy"

CfourPiOI am struggling to write the introduction of a scientific journal paper because it is absurdly novel. I am trying to show the community that we have approaches in different domains that need to be brought together in a specific way to realize the research question I am addressing. So, it is not a...

1
Q: what do non-chord tones do in melody?

SeanIn the book that I am reading I came across this passage(picture below). But the author just tells the reader to 'consider the difference', and passes on to the next subject without explaining much. So what do non-chord tones do exactly here? Like unstable tones do they drive listener farther awa...

16:50
2
Q: Thump in transmission when braking

Mario MazzaTransmission on 2014 Chrysler 300 AWD make a thump noise in the transmission when applying brake. Mechanic listening to noise with a stethoscope to confine noise. Transmission is starting to slip slightly with only 53000 miles. Car was up on rack and I heard the thump coming from transmission whe...

17:11
1
Q: How to deal with students who are regularly late?

NonalcoholicBeerI teach a class that starts at 8:30 AM. Some students come late almost every day, usually 5 to 10 minutes late. In the past, I tried punishing late students by making them sing a song or blocking the door with a desk. But those methods did not work well. How do you handle students who are regular...

TeX
TeX
1
Q: ProvidesPackage with semantic versionning

tobiasBoraI uploaded (right before TexLive 2024's freeze :-( ) a package, switching to semantic versioning like: \ProvidesPackage{zx-calculus}[v2.2 A package to typeset ZX calculus and circuits directly in LaTeX, based on tikz/tikzcd.] but I just realized that this causes a bug (ERROR: Missing = inserted ...

2
Q: Remove padding/space in tikzpicture

Philippcan someone tell me how to remove the space between the gray rectangle and the frame of the node, such that the text of the node flushes with the main text? Here is my minimal example using LuaLatex: \documentclass[10pt,a4paper]{article} \usepackage{lipsum} \setlength{\parindent}{0pt} \usepackag...

CS
CS
2
Q: Adjusting load voltage with a potentiometer

LorisI'm reading the book "Practical Electronics for Inventors, 4th Ed", and I find it great, but I'm stuck on this (seemingly straightforward) section on page 321: First off, the values in the "Adjusting Load Current" graph are wrong. As the author wrote, when a-to-b Resistance is 10kΩ, V-load is 5V...

3
Q: How to give general feedback to KLM?

badjohnMy wife and I recently flew with KLM and the experience was disappointing in several ways. I would like to give some feedback but I cannot find how to do so in their website. I am forced to select one of a few specific options and I cannot find a general feedback option. There is a phone numbe...

Law
Law
17:35
1
Q: In a legal proceeding, where is "fairness" defined?

hellohelloI was involved in a rather formal administrative review. I got the impression that administration was determined to give the facade of fairness while arriving at a predetermined conclusion. One thing a lawyer pointed out was that though the code of conduct guaranteed a fair and unbiased investiga...

17:59
2
Q: Uncertainty of estimates computed by stim/sinter

AG47The sinter.plot_error_rate function handles the plotting of the error rates sampled by sinter. Along with the estimated error rates, it highlights a region within which the true error rate is likely to be found. The width of the region can be increased through the parameter highlight_max_likeliho...

18:21
2
Q: What do Christians who say Scripture is not History believe?

AsikI've been watching lectures from Centre Place with interest. While they hold services and claim to be Christians, they seem to hold a minimalist view of the historicity of Scripture. They admit that the authors of the Gospels, for example, are anonymous and were not eyewitnesses, and that most of...

3
Q: If all persons of the Trinity have the same/a united will what does Jesus mean in John 6:38?

dimoJohn 6:38 For I came down from heaven, not to do mine own will, but the will of him that sent me Surely this implies they have separate wills?

5
Q: Find all holomorphic functions satisfying the given inequality

Alex Nguyen Find all holomorphic functions $f$ on $\mathbb{D}$ s.t the following condition holds for all $n>1$ $$\dfrac{1}{\sqrt{n}}<\left\vert f\left(\dfrac{1}{n}\right)\right\vert <\dfrac{2}{\sqrt{n}}.$$ My attempt: From hypothesis, we have $f(0)=0$ and $\left\vert nf\left(\dfrac{1}{n}\right)\right\vert\...

7
Q: How to write a beautiful inline recursive lambda in C++?

Junhui ZhuAs I know in C++ 17, I can write a recursive lambda like this: auto dfs = [&](const auto &self, int x) -> void { // .... self(self, x); }; dfs(dfs, 0); Unfortunately, I have to endure one more parameters which is a bit ugly. And I doubt the possibility for the compiler to make it inline...

18:42
3
Q: Did IFT 3's Starship attempt re-entry with its payload bay door open?

Dave GremlinYesterday, contact was lost with SpaceX's Starship as it attempted to re-enter the atmosphere. One of things it tested was the payload bay door. In this video, at nine minutes and eleven seconds (T+ 30:18), the door seems to jolt backwards into the payload bay. I couldn't find any video or oth...

3
Q: Book about kid going to Mars and communicating with his friend

Amritfiremaster 711A few years ago, I read a book that was about this kid going to Mars with his father and communicating with his friend. It also describes what it would feel like to leave the atmosphere in a rocket, and his friend talks about some secret or coverup and tells his friend to get off the network or s...

2
Q: How to typeset an excerpt in Lilypond (longer phrase slur and text)?

KarloI want to typeset following "excerpt" from a longer melody: I currently have { \time C (c''8 d'' e'' d'' c'' b' a' c''_" etc.") } How could I modify it to obtain the following? I would like the phrasing slur to extend to the barline, so it suggests there is more on the next bar (that is not s...

ELL
ELL
2
Q: Can the top and bottom having the same pattern be called "outfit"?

Tom (Source) Women in hot countries often wears these clothes at home. The top and the bottom share the same pattern. Do you say "she is wearing an outfit"? (source) Or the above guy wears a T shirt and a pair of shorts which share the same pattern. Is he wearing an outfit? The dictionary says "out...

3
Q: Set theory-ish question about creating all integers between an interval

SupersonicMan12Let $A = \{1, 2, n\}$. Show that by repeatedly taking the average of two elements from $A$ and adding it to $A$, we can obtain all integers between 1 and $n$, inclusive. For example, with 1, 2, 7, we have 4 from 1 and 7, 3 from 2 and 4, 5 from 3 and 7, and 6 from 5 and 7. I just thought of this a...

19:05
1
Q: Gravity on Instances

infinitynoobieI am trying to add gravity to instances and it went pretty well until I realized it looked like it was glued to it's base surface, so I made a normal particle system to compare and it definetely feels glued to the surface, is it any possible to get the same result in geometry nodes ? 3D View Nod...

1
Q: Can Lilypond typeset French beaming?

KarloConsider following example: { g'16 d'' e'' d'' } Is there a way to obtain the so-called French beaming? Here, vertical stems are not shown in between the beams (examples from here).

GIS
GIS
1
Q: QGIS: select the next entity in the table

NellyResoI try to find a keyboard shortcut that helps me to select the next entity in the attribute table. Do you have an idea? I tried CTRL+SHIFT+] but it's not working.

1
Q: Which error bars to use when compairng only two subjects when many replicates?

maglorismyspiritanimalI want to plot discrete time measurements made for two subjects, but where many cells were observed for each subject in triplicate. I think the experimental unit is the subject, so I should just get a mean for each subject and plot that. Another option is to get a mean of each cell's tripicates a...

TeX
TeX
19:28
2
Q: Bold and non bold f are different characters in math

my2ctsIn an equation I want to write force vector with boldface f and its components in normal font. The result of this code \begin{equation} \mathbf{f} \neq f \end{equation} is unacceptable: Any suggestions, apart from switching to a different character?

4
Q: Evaluation control of nested With, If and Integrate

three777Can you explain the behaviour of the following? The first With outputs unevaluated If. So in the second With I added Evaluate before If but then still variable a is unevaluated. So in third With I added Evaluate even before Integrate and the output is correct 1/2. But then in the fourth With I ad...

19:53
3
Q: Why is this the correct answer to chesspuzzle.net puzzle 37161?

Juleshttps://chesspuzzle.net/Puzzle/37161 [FEN "r4rk1/2p2n1q/1p1b4/3Pp3/2Q2pP1/P1N1B2P/1P4P1/2RR2K1 w - - 0 1"] 1. Ne4 The answer given is Ne4, which is followed by the pawn on f4 capturing the bishop on e3, at which point white is able to fork black's king and queen, however this is entirely avoid...

20:16
6
Q: Alternative to `any_of()` that works with NSE?

Dan ChaltielIn a function, I sometimes need to select a variable only if it exists. For this, the function dplyr::any_of() is perfect, but it only works with standard evaluation, taking a character vector as input. I'm looking for an alternative that would work as a replacement in the following example that ...

20:38
1
Q: Why there is only Boeing and Airbus?

GabeAmidst all these new scandals with Boeing and unbelievable/disgusting safety situations like the example of the hidden camera report long time ago, and knowing that airlines only have Boeing or Airbus to purchase from and both with long wait list, I wonder why don't we have other big airplane ma...

20:58
1
Q: Miller-Rabin implementation is very slow

LereuI implemented the Miller-Rabin-Primetest in python3. But I have the feeling it is very slow. I know that there are faster version in gmpy2 package, but I want to compare it with another code I have in python. So I don't want to use an existing implementation. I used the Pseudocode from Wikipedia....

3
Q: Starship IFT-3: Plasma appears, then disappears

Abdullah is not an Amalekite How is that possible? It's not like it lost velocity or gained altitude in that time period.

TeX
TeX
3
Q: Why does multiplication in \dim_set:Nn crash LaTeX?

user1239299Why does multiplication in \dim_set:Nn cause the LaTeX to crash? I have found that it is possible to do multiplication in \fp_set:Nn for example \fp_set:Nn \onefloat {5 * 6} works well. But multiplication in \dim_set:Nn causes LaTeX to crash LaTeX: \dim_set:Nn \onetest {2 * \textwidth} I have a...

9
Q: Are galaxies growing, shrinking or stable?

KDPWhen I look at spiral galaxies they look a bit like the whirlpool of water going down a sink and I wonder if eventually they shrink to a small point (or a giant black hole?). On the other hand they may be growing and being flung apart by centrifugal forces. The sheer size and nature of galaxies m...

5
Q: "Hinglish" Kids movie about a band of misfits on an adventure who take the help of an imperial ghost to defeat some thugs

Bongo ManI recall as a child watching this movie many years ago in my hometown in India, on cable television. I want to re-watch it but I just can't remember the name. "Hinglish" refers to a blend of the languages Hindi (which is commonly spoken in India) and English. Film Genre: Adventure Characters: An ...

 
1 hour later…
22:08
3
Q: On the derivative of the Bernstein polynomial

Iosif Pinelis$\newcommand\Z{\Bbb Z}\newcommand\De{\Delta}$For a natural $n$ and a function $g\colon\Z\to\Bbb R$, let $B_n g$ be the corresponding Bernstein polynomial, so that $$(B_n g)(x)=\sum_{k\in\Z} g(k)\binom nk x^k(1-x)^{n-k};$$ of course, $\binom nk=0$ unless $k\in\{0,\dots,n\}$. It is easy to check (s...

CS
CS
2
Q: U.S. Speaker Johnson says the house will take up Ukrainian aid in next few weeks

JMSThe House is out of session, and holding a Republican strategy, team building retreat at the Green Briar Hotel in West Virginia. Yesterday Speaker Johnson announced at the retreat that the house would take up, Ukrainian aid vote in the next two weeks. Johnson says he expects the house take up Ukr...

22:29
4
Q: Why can a Set be modified in an Apex loop but not a List?

MoonpiePrelude According to Salesforce documentation, both Sets and Lists are considered Collections: https://developer.salesforce.com/docs/atlas.en-us.apexcode.meta/apexcode/langCon_apex_collections.htm Examples This code... List<String> list_string = new List<String>{'one', 'two', 'three'}; for (Stri...

TeX
TeX
2
Q: How can I write 'Mr. Firstname Lastname' first, and then 'Mr. Lastname' thereafter automatically?

thunermayFirst-of I'm NOT referring to bibtex or something similar. My goal is to write: I spoke to \somecommand{Mustermann} and confirmed the data. After that, \somecommand{Mustermann} told me this and that. \\ % or simpler: first occurrence: \somecommand{Mustermann} \\ every other occurrence: \somecomm...

1
Q: Distance between two cities

Daniel C.In a certain exercise I am asked to find the distance between Madrid and Hong Kong. I have been given the coordinates (latitude and longitude), but I don't know how to proceed. Madrid: $40.50^◦N, 3.67^◦W$ Hong Kong: $22.28^◦N, 114.17 ^◦ E$ I have been given a formula regarding $arccos$, but I d...

22:51
2
Q: Physics and mereology

Marco FabbriHow can physics, particularly Quantum Field Theory (QFT), contribute to clarifying the ontological nature of objects, in light of different mereological positions such as mereological nihilism, mereological universalism, deflationism, and ordinary object realism? In particular, how can QFT help u...

4
Q: An iteration of proper forcing without proper iterands

Hannes JakobFamously, a countable support iteration with proper iterands is again proper. This is mostly stated as follows: Suppose $(\mathbb{P}_{\alpha},\dot{\mathbb{Q}}_{\alpha})_{\alpha<\lambda}$ is a countable support iteration such that for each $\alpha<\lambda$, $\mathbb{P}_{\alpha}\Vdash$ "$\dot{\math...

23:14
4
Q: Who/what are some good introductions into Christian philosophy?

Haden BaileyI am open to book suggestions, YouTube pages or anything with a community for Bible-believing academics. thank you in advance

2
Q: Tandy CoCo 2 text adventure game where you have to evade zombies

FuzzyBootsThis is one of those things where the details are on the tip of my tongue. On our Tandy Color Computer 2, somewhere in the late 1980s to the early 1990s, one of the games was a text adventure where you had to survive zombies. I never made it all the way through (there were a lot of ways to die), ...

23:38
1
Q: Roth IRA Investing

Brad LaFontaineI’m new to investing and I currently have my IRA contributions put into 3 equities and 1 ETF. Beginner question, how do future investments work? How do I keep adding to my ETF over the years? Do I just simply buy shares at whatever the current price is?

2
Q: ImageData returns slightly different RGB values than specified when creating a graphic

JoshuaWhy does the following not return precisely {0.99,0.5,0.49}? Is there a way to avoid the discrepancy? In[2089]:= ImageData[ Show[Graphics[{FaceForm[RGBColor[0.99, 1/2, 0.490000]], Polygon[{{0, 0}, {1, 0}, {1, 1}, {0, 1}}]}], ImageSize -> 20, ImagePadding -> None]][[10, 10]] Out[2089...


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