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00:02
5
Q: Why are Star Wars Rebel Alliance ships named after letters from the Latin alphabet?

LexibleInspired by the accepted answer to "Is there a logic behind the naming of the Rebel Alliance's starfighters?" I want to know in universe why the Rebel Alliance fighter names are based on Latin alphabet characters, and not, for example Aurebesh (one of the more common in-universe alphabets). From...

1
Q: What does a capital letter mean in tablature?

Randy ZeitmanWhat does a capital letter mean in tablature? I see small q for quarter note. What does capital Q mean?

2
Q: What does a number above the 'staff' mean in tablature?

Randy ZeitmanWhat does a number above the 'staff' mean in tablature? Such as the numbers 4 and 5 in this example.

DIY
DIY
00:15
2
Q: Need help identifying how to open this bolt/screw

spcsLrgFirst, apologies if I'm asking this the wrong way. Am attempting to open an old device cover (an adapter) and it has these screws (pls see attached image, sorry for the bad quality, I couldn't get better focus than this.) Would really appreciate if someone could guide me identify it and/or poin...

6
Q: In Haskell, when using the XStrict language extension, is if short-circuiting?

LogicChainsStandard Haskell is lazily evaluated, so if myCondition then someValue else doSomeLargeComputation x y z will avoid evaluating doSomeLargeComputation x y z if myCondition is true. My question is, if I enable the language extension XStrict then will doSomeLargeComputation x y z now be evaluated ev...

2
Q: What is the difference between 2/4 and 4/4 when it comes the accented beats?

HankWhat is the difference between 2/4 and 4/4 when it comes the accented beats? I have been taught that 2/4 is popular in faster music like polka. I also see some hymns written in both 4/4 and 2/4. 4/4 is strong-weak-less strong-weak. 2/4 would probably strong-weak or a bar divided into eight notes...

1
Q: cannot trash malware NGPlayerSetup.dmg

francHow do I delete this pesky dmg? I never asked for it and never uploaded or downloaded it. When I try to "Empty Trash" it is much to clever and says "it is in use."

00:31
5
Q: What sort of solar system / atmospheric conditions, if any, would allow for a very cold planet that still receives plenty of light from its sun?

LauraThe setting I'm interested in would involve a cold planet (cold enough for most bodies of water to be frozen - I'm thinking of an average global temperature of -20C or below). The simplest way would have to have the planet far away from its star. However I'd rather not deal with the low-light asp...

6
Q: How do you say 3 ↑↑↑ 3?

GarrettKHow do you say 3 ↑↑↑ 3? English is my second language and I'm not sure how I should read it.

1
Q: Is verification of a blockchain computationally cheaper than recreating it?

vonjdOne of the advantages of cryptocurrencies like Bitcoin that is often repeated is how hard it should be to manipulate past transactions. The reason that is often stated is that you would have to re-calculate all the headers with all the hash values of the whole chain which is practically un-doable...

00:57
2
Q: Will medical institutions reject an applicant based on being 28 years of age?

DJGAs I've contemplated the future over the past year, I have returned over and over again to the idea of becoming a doctor -- specifically, a neurosurgeon. However, I recognize that as a 28 year old Physics BS who would need to take a year of postbac courses before even applying to medical school, ...

6
Q: How does Rust's 128-bit integer `i128` work on a 64-bit system?

ruoholaRust has 128-bit integers, denoted with the datatype i128 (and u128 for unsigned ints): let a: i128 = 170141183460469231731687303715884105727; How does Rust make these i128 values work on a 64-bit OS? How does it do arithmetic on these? Since, as far as I know, the value cannot fit in one regi...

01:32
3
Q: Look for an example where H is normal in K, K is characteristic in G, but H is not normal in G

Mathematical MushroomLook for an example where $H \triangleleft K \triangleleft_{\text{char}} G$ but $H \ntriangleleft G$ Anyone got one? Thanks!!

CS
CS
01:49
1
Q: δόλος = deceit in John 1:47

Jonah ElbertOn the account of Jesus' encounter with Nathanael, this is written: Joh 1:47  Jesus saw Nathanael coming toward him and said of him, “Behold, an Israelite indeed, in whom there is no deceit!” (ESV) Εἴδεν ὁ Ἰησοῦς τὸν Ναθαναὴλ ἐρχόμενον πρὸς αὐτόν, καὶ λέγει περὶ αὐτοῦ, Ἴδε ἀληθῶς Ἰσραηλί...

02:01
5
Q: Has J.J.Jameson ever found out that Peter Parker is Spider-Man?

sermonion xI haven't read the comics, only seen some Spider-Man movies and The Animated Series, so I wonder if that ever happened.

RPG
RPG
2
Q: Can Otiluke's Freezing Spheres be stockpiled?

AshRandomIn the final paragraph of Otiluke's freezing sphere it states: You can refrain from firing the globe after completing the spell, if you wish. A small globe about the size of a sling stone, cool to the touch, appears in your hand. At any time, you or a creature you give the globe to can throw ...

02:44
1
Q: Matrix condition number and reordering

vydesasterDoes the condition number change when a matrix is reordered by e.g. Cuthill Mckee or some other method?

2
Q: Windows del command not working?

JohnnyBlackI'm trying to delete a large directory. I run the delete (del /f node_modules), and it appears to work, but then the directory is still there... (When I try to delete it from the file explorer, it usually gives me some flavor of "you need admin permissions" or "can't delete because file is in us...

2
Q: Why do my fried eggs start browning very fast?

user3711671I've seen people mention how eggs shouldn't become white after they are dropped in the pan.This keeps happening to me even though I use the "water test" and my eggs keep sticking to the pan (I add oil after the pan heats enough).The eggs are already brown around the edges while the top is still l...

03:01
4
Q: Heinlein story regarding suspended animation and reading newspapers?

Mark HarrisonIn one of Heinlein’s stories, a character awakes after having been in suspended animation for many years and catches up on what he’s missed by spending a few hours reading a history book, then remarks on how much time he would have wasted had he read a newspaper every day for all that time, readi...

3
Q: Basic theorem proving in Mathematica?

dharmatechLet's say we have the following: p is prime n > 1 (n is an integer) p = nq (I.e. p is a multiple of n) It can be proved that p = n. I've seen that Mathematica has some basic theorem proving capabilities (see the theorem-proving tag) via functions like Reduce. Can Mathematica prove the abov...

3
Q: What is time? Does it flow linearly? If so, how are we sure?

AtomDistances in our world (classically at least) can be defined by considering our world to be a model for the Euclidean normed three dimensional space. But how can we set the notion of time on a firm footing? What are the first principles here? Because almost everywhere in physics, we want to see ...

RPG
RPG
3
Q: Is the un-detonated globe of Otiluke's Freezing Sphere magical?

Ryan ThompsonOtiluke's Freezing Sphere has an interesting "delayed blast" feature, which involves creating and handling a physical globe containing the spell's energy: You can refrain from firing the globe after completing the spell, if you wish. A small globe about the size of a sling stone, cool to the ...

03:31
1
Q: Can't understand an ACT practice problem: Triangle appears to be isosceles, why isn't the answer 7.3~ here?

DovIn the following picture, XY = YZ. The angle a = 40 degrees, and the length opposite is 5. The problem asks to compute XY We immediately dropped the dotted perpendicular and get two right triangles. The length of the bottom is 2.5 in each right triangle, and therefore $a/2 = 20^\circ$ $\sin...

3
Q: What is Albrecht Dürer's Perspective Machine drawing style?

norbertpyThis style of drawing always fascinates me but I can't find what this category is. Here is another example from Eric Mahler: And another one from Tom Gauld: Line Drawing doesn't quite fit. Is there a better name for this common style?

9
Q: A wiild aanimal, a cardinal direction, or a place by the water

jafe I'm in the north. I can be accompanied by violent crimes, a relative direction, or a body of fresh water. I'm in the east. I can be accompanied by a wiild aanimal, a cardinal direction, or a place by the water. I'm in the south. I can be accompanied by a financial transaction, an...

03:47
1
Q: Can you help me identify this set? (Emergency vehicles maybe?)

LegoquestionBags are numbered 1-3. It looks like it maybe is some sort of emergency vehicle set? Bag 3 looks like a fire truck and bag 1 maybe a police car? Thank you!

04:09
2
Q: LWC component not rendering

boogie manI have a lightning web component that wires an apex method that calls out to JSONplaceholder.com to get back some data. I'm having issue with the whole component rendering at all. While in community builder (component lives in a community) I occasionally get an error saying "This page has an er...

Law
Law
2
Q: Is law enforcement responcible for damages made by a search warrent?

MuzeWhy do police use a battering ram without first checking the doorknob on a low threat warrant? What if a small child was on the other side of the door and got seriously injured? Obviously the door and frame is likely to be damaged and may cost hundreds of dollars to replace. I have seen where t...

RPG
RPG
04:32
2
Q: Do the rules for the "Buying a Magic Item" downtime activity allow a character an opportunity to purchase the item later?

DL_SilvaI'm DMing using the "Buying a Magic Item" downtime activity rules in Xanathar's Guide to Everything (p. 126). Are any rules (or suggested approaches) to allowing my players to purchase one of their discovered magic items at a later date? For instance, one of the players rolled for a Saddle of th...

1
Q: How to determine if result of process substitution is a file path

Alexander MillsIf I do this: echo <(cat) I get: /dev/fd/63 so say at the command line I have: myapp -f <(cat) when I run it I get this error: You need to pass a file after the -f flag. The resolved file path was: '/dev/fd/63'. This path did not appear to exist on the filesystem. How can I deter...

04:47
3
Q: Any information about the photo with Army Uniforms

denhFound an old photo and interested in identifying which period and where could it be taken and which country are these soldiers from? On the other side found word "Brattig", maybe you can give me answer what does it mean too?

7
Q: Deflecting lasers with lightsabers

El ElIn Star Wars, there's some shots where Jedi deflect lasers with their lightsabers. I know there's a law that says you can't go faster then the speed of light and lasers are light, so what is the smallest change in physics to make it so that you can deflect the lasers? This is challenging because ...

ELL
ELL
05:27
3
Q: On the expression " sun-down"

Floret She took a factory job working from sun-down to sun-up. (Source : Drifting ) I think sun-down expression seems to have been made from "the sun is down", but what I want to know is what is the rule that I can make such an expression. For example, if I want to express the time when the moon i...

RPG
RPG
2
Q: Is Sneak Attack damage halved on a successful Will save if a Wand of Cure Light Wounds is used to trigger the Sneak Attack?

Baskakov_DmitriySuppose, a Rogue with Use Magic Device wants to attack an Undead, perhaps an Incorporeal one. They can use a Wand of Cure Light Wounds for that since it does require an attack roll. The Rogue somehow gets their Sneak Attack: the Undead is flat-footed, flanked, or something like that. Now, the s...

4
Q: A criterion for finite abelian group to embed into a symmetric group

jppLet $G$ be a finite abelian group. Suppose $G\approx \mathbb{Z}/p_1^{i_1}\mathbb{Z}\times\dots \mathbb{Z}/p_m^{i_m}\mathbb{Z}$. Is it true that there is an injective homomorphism $G\rightarrow S_n$ if and only if $p_1^{i_1}+\dots+p_m^{i_m}\leq n$?

1
Q: Explained Variance

mindhabitsWhat is it mean by the statement "X and Y explained a greater proportion of variance in Z than X alone " More generally, what is it meant when the model "explains more variation" in the dependent variable -- certainly this is not equivalent to "this explains the variable" more? Thank you for ...

RPG
RPG
05:51
2
Q: Where do I keep track of sorcery points on a character sheet?

NeonKrakenI’m a little confused about the sorcery point system, mainly where I keep track of them on my character sheet. Should I keep track in the “attacks and spellcasting” box, or is there somewhere else I should put them in particular?

06:03
6
Q: Find the missing country

FlanManBelow is a list of ten countries, with one missing. Find one attribute (for example, the population) of each country, so that if you take the first number or first letter of each country’s attribute, in the order shown, it forms a familiar ten-character number, word or phrase. What is the one att...

2
Q: French equivalents of "a double bind"

Con-gras-tue-les-chiensWe were having a conversation in German, and I was wondering how the same idea is commonly/idiomatically expressed in French. Er steckte ganz schön in der Zwickmühle -- ich kann ihm den Weg, den er einschlug, nicht verübeln. Here I was talking about a double bind he found himself in -- due ...

06:18
1
Q: What is the white camera in Thelma And Louise '91?

Delta Oscar UniformIn the '91 classic. Thelma And Louise. There is an white camera. Looks like some sort of Polaroid. What is the name of that camera?

5
Q: What does Argus Filch specifically do?

Privado PrivadoI was reading a fanfiction when they asked this specific question, and it make me think... Specifically what does he do in Hogwarts? In all the seven books, do they explain exactly what he does? In theory the house elves do almost all the work and the cleaning after all. If I'm not wrong the only...

3
Q: How can I perform a deterministic physics simulation?

jvn91173I'm creating a physics game involving rigid bodies in which players move pieces and parts to solve a puzzle. A hugely important aspect of the game is that when players start a simulation, it runs the same everywhere, regardless of their operating system, processor, etc... There is room for a lot...

06:46
1
Q: How do I know if I can replace the 27 inch wheels with 700c wheels on my MIELE bike?

NikitaI need a help with choosing a wheelset for my Miele bike.I can't fully understand if it is possible to replace my old rigida 27 inch wheels for 700c coz i have too little free place.I visited a site where there is a size table of wheels and saw that it is possible(judging by numbers).There are no...

ELL
ELL
2
Q: Meaning of "tumbleweed coifs"

Kentaro TomonoI am currently reading this article,, and there was a word, This isn’t just another hackneyed reference to Johnson’s surface similarities to Donald Trump, which include urine-colored tumbleweed coifs, the elevation of pathological mendacity to a political art form, and, excepting Johnson’s h...

07:24
1
Q: How to transform a function from f[#1] to f[x]

J.ASo I have this function : Sqrt[-1 + Tanh[#1 - #2]^2] & How can I transform it into f[x_,t]=Sqrt[-1 + Tanh[x - y]^2] I tried Sqrt[-1 + Tanh[#1 - #2]^2] &/. #1 -> x /. #2 -> y /. & -> 1 But apparently /. & -> 1 doesn't work

4
Q: Batteries for droids

El ElIn Star Wars (again), one of the most recurring characters is R2-D2. Even though he's in most of the movies, I (personally) have never seen him charging. I've seen him do a lot of power consuming activities, like shocking baddies, but I've never seen him charge. What kind of battery (existing or ...

4
Q: How could dragons effectively use their wings as weapons in ground combat?

MephistophelesOne reason I prefer classical western dragons over wyverns is that they aren't totally handicaped on the ground. However, those forelegs are only supposed to be for better locomotion on ground and lack the power to be directly used in combat. Wings, on the other hand have much more muscle behind...

DSP
DSP
07:55
1
Q: Why the following discrete type system,variable accumulator, is time invariant?

Faraday Pathak$y[n]=T{x[n]}=\displaystyle\sum_{k=n-n_{0}}^{n+n_{0}} x[k]$ it is some sort of moving summer which computes $n^{\text{th}}$ output sample by adding all samples lying within length $n_{0}$ around some point $n$ on $k$ -axis (where k is dummy variable) so even if we shift input by amount $n_{0}$ t...

2
Q: Simple commitment scheme using secure hash function

jimourisCan I create a simple commitment scheme using a secure hash function? If so, is concatenation with a random secret enough to preserve hiding? (i.e. $C = H( random\_string || message)$) Thank you

08:55
1
Q: Explanation of Russian assorted saints and festivities icon "Plenka"

TomRMonastery/production company Sofrino supplies icon "Plenka" of assorted saints and festivities: ИКОНА НА ДЕРЕВЯННОМ ПЛАНШЕТЕ 18Х24 ПЛЕНКА I have bought one in almost A4 format but still the writing is too small for understanding. Is there available explanation of this icon? I guess, it is qui...

 
1 hour later…
TeX
TeX
10:04
4
Q: How to perform arithmetic for a node in TikZ?

aferenxI have an array of boxes and I would like to number them quickly using TikZ. My idea was to use something like this: \documentclass{article} \usepackage{tikz} \begin{document} \begin{tikzpicture}[font=\tiny] \foreach \x in {0,...,4} \foreach \y in {0,...,4} \draw (\x*2-.5,\y*2-.5) ...

3
Q: Subtle ways to render a planet uninhabitable

ramufA violent way of rendering a planet uninhabitable being the obvious: accelerate a large enough object to a sufficient velocity that everything on the planet goes the way of the dinosaurs. Put briefly, an alien race secretly constructed a series of autonomous spacecraft that would go to other sol...

10:39
4
Q: Difference between "jail" and "prison" in German

Mr SquidIn English, there is a difference between the words prison and jail, jail being where you are placed prior to a conviction, prison being where you are held afterwards. In German, the word Gefängnis seems to be used interchangeably as does the more slang word Knast (at least Google translate and m...

3
Q: Anybody knows what "autolyco-sentimental" means?

kimweonillBerlioz is said to have described Mayerbeer's operas as follows: (translated in English and originally written in French, probably.) "Meyerbeer ... wanted a monstrous, piebald, historico-romantic, diabolico-religious, fanatica-libidinous, sacra-frivolous, mysterio-criminal, autolyco-sentimenta...

1
Q: Reals and Rationals

topologicalmagicianLemma: $\forall \varepsilon >0$ $\forall x \in \mathbb{R}^n$ $\exists$ $y \in \mathbb{Q}^n$ so that $\|x-y\| < \varepsilon$. I'm pretty sure that I should be using the fact that the rationals are dense in the reals, however i'm not sure how to proceed.May someone provide me with a hint? Thanks....

1
Q: Does proof-of-work contribute directly to prevent double-spending?

d3wannabeI know similar questions have been asked before (e.g. How proof of work prevents double spend) but I'm struggling to visualise the solution to double-spending being directly reliant on proof of work. Imagine a miner, Bob, trying to double-spend 1 BTC by sending to both Alice and Jim. Either he ...

11:01
1
Q: Help with かっていうと

InvadersMustDieI have read some post about the meaning of かっていうと and i understand it should be read as 2 separate particles i.e. か+っていうと However, I can't seem to understand what the this phrase means in the below sentence: 実は初めから宇宙飛行士になるつもりだったかっていうと、そうじゃないんです。大学を出たら、医者になろうと思っていましたから。 Any help would be ap...

2
Q: What does this line mean?

CalendarSo this line is from a song. Its とうとう たらりたらりら たらりあがりいららりどう ちりやたらりたらりら たらりあがりららりどう Okay so this line is written in the booklet itself, because of that this line is part of the lyrics and I assume has a meaning. But I don't know what this line/words mean or what it refers to. A...

11:16
3
Q: Subverting the essence of fictional and/or religious entities; is it acceptable?

A. KvåleI talked to a critique partner not too long ago about an angel in my book. I said, he was a subversive character, in the way that he wasn't 100 % pure and good, like angels in theory are supposed to be. This angel was a cynical, harsh, capable of evil for the greater good character. He is also na...

11:46
1
Q: Why does the friction act on the inward direction when a car makes a turn on a level road?

Oishika ChaudhuryI tried looking this question up online but am left a little confused with all the answers, and the diagrams. When a tire of a car negotiates a turn in the road, there exists friction which is providing the necessary centripetal acceleration. Why must this be towards a center? If someone could ...

2
Q: In MTG, was there ever a five-color deck that worked well?

user56262The first pre-con I ever bought was the five-color one from I believe planeshift. I liked that deck when I was learning the game, but it didn't hold up when I actually started going to tournaments, and learned more about the game (such as the fact that you had a maximum hand size). The first deck...

RPG
RPG
3
Q: Does a bard know when a character uses their Bardic Inspiration?

MC_HamboneTonight during our play session, we ran into an incident where a character immediately used a bardic inspiration after getting it (on their turn, but like it was the first thing they did). The bard's player was curious if he could give the character inspiration again on his turn. He was curious i...

7
Q: Can an unintentional murderer leave Ir Miklat for Shalosh Regalim?

ezraWe learn in Parshas Masei about a person who unintentionally murders another. The halacha is that the unintentional murderer is to flee to one of the Arei Miklat (Cities of Refuge), and stay there until the current Kohen Gadol passes away. If the unintentional murderer leaves the Ir Miklat, the ...

1
Q: Phase portrait of a system of differential equations

jcpI have a set of characteristic equations, obtained by method of characteristics from Hamilton-Jacobi equation $$\partial_s x = (2q-1)x-2qx^2$$ $$\partial_{-s} q = (q^2-q)x+2(1-q^2)x$$ They are solved by $q(s) = 1$ and $x(s)$ being a solution of $\partial_s x = x-2x^2$. The Hamiltonian also va...

6
Q: Astable 555 circuit not oscillating

Mr FilpI'm a complete beginner to electronics, but I'm trying to follow Ben Eaters video series "Building an 8-bit computer". I tried to do the first part of an astable 555 timer, but the LED does not oscillate and on top of that the timer draws A LOT of current and heats up pretty fast. Does anyone ha...

3
Q: Course Statistics Using Arrays and Files

DreamVision2017I wanted to get some feedback here on my solution, because the course I am using is not allowing me to submit any answers. Objectives: Write a Java program that: Create a grades.txt file with some grades inputted in Reads these grades from the file and stores it into an ArrayLi...

TeX
TeX
12:22
1
Q: Changing starting place for arrow in XY picture

papinouThis script \documentclass{article} \usepackage[all]{xy} \begin{document} \begin{equation} \xymatrix @R=0.3pc @C=0.3pc{ & N_0\oplus G_1 & N_1\oplus G_2 \ar@/_1.5pc/[l]_u } \end{equation} \end{document} give the following result I wish that the arrow start from the "G_2" and arrive in ...

1
Q: Merge Branch || git diff not including .gitignore files

Varun SFDCI have 2 branches in SFDX enabled project. mybranch and develop. I want to merge selected changes from develop and then merge those in mybranch. As a starting point I am trying to use git diff to see what all is extra in develop, however, it is mentioning files like .forceignore, .gitignore and a...

3
Q: How to call made-up data?

Frans RodenburgI'm writing an example and have made up some data. I want it to be clear to the reader this is not real data, but I also don't want to give the impression of malice, since it just serves as an example. There is no (pseudo)random component to this particular data, so it seems to me that 'simula...

13:04
2
Q: Can someone translate this Navagraha shloka and tell me what verseform this is?

Teacup ādhāre prathame sahasrakiraṇaṁ tārādhavaṁ svāśraye māheyaṁ maṇipūrake hṛdi budhaṁ kaṇṭhe ca vācaspatim bhrūmadhye bhṛgunandanaṁ dinamaṇeḥ putraṁ trikūṭasthale nāḍīmarmasu rāhu-ketu-gulikānnityaṁ namāmyāyuṣe What is the translation of this Navagraha Shloka?

13:22
2
Q: Are there concrete plant-watering schedules?

SebastianI'm in the progress of making more of my house plants survive, better. (I'm doing OK, but too many of my plants die, or sometimes suddenly nearly die for mysterious (to me) reasons.) I've started looking up a whole bunch of my plants, and while I found vague instructions (e.g. "keep moist" or "w...

13:34
2
Q: Can Canon T7i trigger an unmounted 430EX III-RT?

DanielI have a Canon T7i and I need to wirelessly trigger unmounted 430EX III-RT. Can the camera do it on its own or what do I need to make it happen? Thank you so much!

13:44
1
Q: Developer Console Debug Logs Viewer

user4947How can i see the entire body of the last debug log in developer console in Salesforce?

1
Q: Search and replace a substring only if another substring is not present

JeroenI have the following strings in a very large document: 1.test.html# 2.test.md# 3.http://test.html# 4.https://test.md# 5.http://test.md# 6.test2.md# Now I want to replace every .md# with .html# but ONLY if there is no http in the string. So only 2 and 6 should have a replacement. How can I do t...

TeX
TeX
14:01
8
Q: Different answers of calculations in LuaLaTeX on local computer, lua compiler and on overleaf

user61681Here is the code. It makes use of the file matrix.lua available at the following link. https://github.com/davidm/lua-matrix/blob/master/lua/matrix.lua The following code is to be run by matrix.lua file in the same directory as that of tex file. It is to be compiled with LuaLaTeX engine. \docume...

1
Q: three tables side by side with Table Threeparttable Resizebox and build in Tablenotes

punisherI am trying to make a table with three subtables side by side using the threeparttable environment within a table environment since I would like to have build in table notes and I need a resizebox. However the table notes are cutoff in the middle of the table. Is there a way to use threeparttable...

14:44
1
Q: Why isn't the new LEGO CV joint available on Bricklink or Brickowl?

technicguy1In the new 4x4 X-treme Off-Roader set 42099 there are 2 new, sturdier CV joint pieces that I would like to have. If I search for 42099 on Bricklink I don't see a list of pieces included in the set. I usually use a website called "Brickowl" (https://www.brickowl.com/) and there is a button that re...

1
Q: What is the best way to implement a microseconds precise delay/measurement

muyustanI recently saw some people saying that configuring a timer so that it triggers an interrupt each 1us is not a good way of doing that. Also, I assume that; Start = TIMx.CNT; Bla; Bla; Bla; End = TIMx.CNT; An algorithm like that will have problems in case of overflow/underflow of the counter d...

11
Q: how to make a pair of dice that always add a prime number?

Luis AlexandherFind $a_1,\,\cdots,\,a_6\in\Bbb Z$ and $b_1,\cdots,\,b_6\in\Bbb Z$ such that $a_i+b_j$ is prime for any $i,\,j\in\{1,\,\,\cdots,\,6\}$.

14:58
5
Q: Does WSL2 runs Linux in a virtual machine or alongside windows Kernel?

Sachin.VermaI've always wanted Linux terminal in windows and was fulfilled by WSL 1. But it was painfully slow as it was(I guess) hyper-V managed virtual machine. With WSL 2, it's way faster relatively but I can not help understand how Microsoft made it so. Did they improve hyper-v in this or they stopped ...

TeX
TeX
4
Q: Why adjustbox needs a tweak of raise=-0.3ex with enumitem?

Peter GrillThe MWE below yields the desired results. But, is there a better way to get this alignment instead of the raise=-0.3ex: Without the raise=-0.3ex, the item number is not aligned with the text: Code: \documentclass{article} \usepackage{enumitem} \usepackage[export]{adjustbox} \fboxsep=0pt ...

3
Q: How is that "howling" sound produced in induction motors?

user2934303Note: No, there are no inverters involved in this question here. I've perceived that most, if not all induction motors make a "howling" sound in their coils that is different from the constant 60 Hz tone they produce due to the working frequency. This howl has pitch shifts depending on the roto...

3
Q: Why do both Batty and Kowalski talk about 'living in fear' and 'time to die' when fighting Deckard?

galmeidaWhy do both Batty and Kowalski talk about 'living in fear' and 'time to die' when fighting Deckard in Blade Runner? Is it just a coincidence? Its just to tell that replicants are angry at living in fear and dying soon? I don't know how much of a coincidence it is, or in how many different ways th...

15:15
8
Q: How does shared_ptr<void> know which destructor to use?

Anne QuinnI wrote the following code to see how a shared_ptr<void> would behave when it is the last reference to a shared_ptr<Thing> and is itself destroyed. #include <iostream> #include <string> #include <memory> using namespace std; struct Thing{ ~Thing(){ cout<<"Destroyed\n"; } ...

RPG
RPG
15:26
5
Q: Can you shove a friendly creature?

MenagrothThis came up in a session recently, and we couldn't really decide on how this would work. Basically, I wanted to move through an ally's square, and then shove them backward... so I could move up to the front line. Is this possible? Shoving requires a contest, but if the creature doesn't contest...

15:39
3
Q: Is "y mettre le nom de la violette" a kind of idiom?

SalamanoConsider the following sentence (discussing someone's chances to get into parliament or something like that): Il faudrait un bouleversement pour qu'il ait une chance, si je peux appeler ça une chance : avec les bonnes Chambres que nous avons, il peut bien y mettre le nom de la violette. The...

16:24
1
Q: Where can I see modifications made to the PATH environment variable by the Go installer

ShuzhengI've identified several changes to the PATH variable in Bash that aren't listed in e.g. /etc/profile, ~/.profile, .bash_profile, ~/.bashrc. The following snippet from the Go installation page mentions that packages may change the environment. How can I see changes to the environment made by pac...

5
Q: How was the cosmonaut of the Soviet moon mission supposed to get back in the return vehicle?

armandIn the Soviet Moon mission, for which the ill fated N-1 launcher was built, we know that the cosmonaut responsible for landing on the moon was to transfer from the equivalent of the command module to the lander with an EVA. I can picture how this would be feasible safely using a ladder and a rope...

16:46
1
Q: How to truncate lines by default

Wouter BeekAlmost every text editor is able to truncate lines by default, but in Emacs I'm still using the cumbersome M-x toggle-truncate-lines in every buffer with long lines. Unfortunately, buffers with long lines are very common, so one has to do M-x toggle-truncate-lines constantly. Solutions currentl...

DIY
DIY
2
Q: Using Forstner bits instead of hole saws

Chris RogersI have been having problems using hole saws when removing the plug of material after use. Looking at What is the right way to clear the drilled plug out of a hole saw? it is still awkward and I have considered spending the extra on buying Forstner bits as an alternative. But then I am told th...

17:00
1
Q: Have you been refused entry into the Federal Republic of Germany?

Gopal KrishnaPlease suggest regarding national visa application field no. "26. Have you been expelled or deported from Germany, had an application for a residence permit rejected, or been refused entry into the Federal Republic of Germany?". Shall I need to mention Yes or No? If My previous visa application ...

2
Q: What is Modern Vipassana?

PeterJThe more I learn about the modern Vipassana movement the more I feel it promotes an incorrect or inadequate view. But I don't know the movement well so I thought I'd ask what others here think about this increasingly popular approach to the practice. It seems to discard much of the Budd...

1
Q: How to use `scantxoutset`

MichaelLooking to fetch the UTXOs for a given address and can't seem to find the correct command syntax. Here is an implementation in bitcoin-core via javascript, but I also experience the same on bitcoin-cli const descriptorAttempts = [ '{ desc: addr(34xp4vRoCGJym3xR7yCVPFHoCNxv4Twseo) }', '...

17:25
3
Q: Is there a word that describes people who are extraverted and/or energetic, but uneducated, unintelligent and/or uncreative?

tailcalledPreferably without implying that they are arrogant. Example sentences: Joe is friendly, but he's ___, so the things he has to say aren't very interesting. Maybe it's just me being ___, but I feel like you are making the situation more thorny than it needs to be. I've considered words ...

17:45
3
Q: Is there any difference between "result in" and "end up with"?

HiroSeeing some example sentences of each phrase on my dictionary, I felt "end up with" was used for a kind of negative result and "result in" was more general. Is that correct? Here are some of the examples I saw :) The game result in a draw. A constant effort will result in success. After years ...

6
Q: Solving a quotient rule question using only the chain rule

LiamWhile working through differential calculus questions for the chain rule, I stumbled upon: $$y = \big(\frac{x}{1-\sqrt{x}}\big)^3 $$ I initially attempted to apply the chain rule, but to apply it, I would need to differentiate the contents in the brackets, which, from what I know, I can on...

17:58
2
Q: Confused by 的 and 地 in 掉的那么地刺耳

user22495I'm perplexed by the line 掉的那么地刺耳 of the song 过不去. Doesn't the 的 demand a noun to go after it? Is the 刺耳 a verb or a noun? And what's the meaning of the entire line? My highly insecure guess would be "falling so shrill" (???).

RPG
RPG
5
Q: Is the "muddled thoughts" from Synaptic Static a magical effect?

AndreyFrom the description of synaptic static (emphasis mine): You choose a point within range and cause psychic energy to explode there. Each creature in a 20-foot-radius sphere centered on that point must make an Intelligence saving throw. A creature with an Intelligence score of 2 or lower can’t...

ELL
ELL
18:20
1
Q: How to understand "...to hide the evidence of mishandled magic, or else hidden by castle-proud house-elves" in this sentence

dan There were alleyways and roads bordered by teetering piles of broken and damaged furniture, stowed away, perhaps, to hide the evidence of mishandled magic, or else hidden by castle-proud house-elves. Harry Potter and the Half-blood Prince I have some difficulty understanding the part i...

1
Q: How to retrieve the post featured image (thumbnail) ID in Gutenberg blocks?

MarkWordPress (PHP) has a lot of functionality to retrieve the post featured image (post thumbnails). However I can't find easy ways to retrieve the post featured image in a dynamic block. Using PHP: get_post_thumbnail_id(); // <-- Post Thumbnail ID Using WordPress REST API: edit: withSelect( ...

ELL
ELL
18:40
2
Q: Short answers - 'In Tokyo' v 'Tokyo'

SydneyThis issue arose in a recent lesson. In short, it centres on the difference between: Where do you live? I live in Tokyo. v In Tokyo. v Tokyo. and: Which city do you live in? I live in Tokyo? v ?In Tokyo. v Tokyo. The issue is the answer 'In Tokyo', to the question 'Which city do y...

19:17
6
Q: Why does BezierFunction not follow BezierCurve at npts>4?

igorThis example: pts = {{0, 0}, {1, 1}, {2, 0}, {3, 2}}; f = BezierFunction[pts] Show[Graphics[{Red, Point[pts], Green, Line[pts]}, Axes -> True], ParametricPlot[f[t], {t, 0, 1}],Graphics[{Blue, Dashed, BezierCurve[pts]}]] perfectly works producing However with pts = {{0, 0}, {1, 1}, {2, -1...

ELL
ELL
1
Q: Is an "are" omitted in this sentence

Kumar sadhuI just read a sentence: Three things in life that, once lost, hard to build up. Can I rewrite it as: Three things in life that are once lost hard to build up. Is my sentence correct? What are the functions of commas? Thank you in advance.

PM
PM
19:38
1
Q: Prioritizing both functional and non-functional requirements in agile

hazHi Everyone & Have a Good Day!! I am doing research on requirement prioritization in Agile. I need to prioritize the requirements for both functional and non-functional requirements by integrating both of them simultaneously. Although the non-functional requirements always been neglected during ...

1
Q: xDB : System.TimeoutException

NutsAndBoltsEnvironment: Sitecore 9.0.2 + XP0 All the components are hosted locally. Error in poc1.xconnect\App_data\logs: 2019-08-04 16:02:43.787 +05:30 [Error] Sitecore.XConnect.Operations.XdbSearchOperation`1[Sitecore.XConnect.Contact]: System.TimeoutException: A wait for data to be indexed has been ti...

4
Q: What license to choose for my PhD thesis?

Zoltán CsátiI will soon submit my PhD thesis. The thesis is written in Latex and version controlled with git. I want to add a license file, but don't know what to choose. For my software, I choose the permissive MIT license, but I have no clue if that is suitable for a thesis as well. Searching on the web, I...

5
Q: Is it uncompelling to continue the story with lower stakes?

A. KvåleA big piece of criticism I've seen directed at the last season of Game of Thrones was the fact that they killed the Night King before the finale, and the last episodes had Cersei, a mere mortal, as the enemy. Considering the Night King wanted to instate an eternal night, and Cersei just wanted to...

20:02
2
Q: Approximating an expression for a potential

Apoorv PotnisIn a problem which I was doing, I came across an expression for the potential $V$ of a system as follows $$V = k\left(\frac{1}{l - x} + \frac{1}{l + x}\right)\tag{1}\label{1}$$ where $k$ is a constant, $l$ and $x$ are distances and $l \gg x$. Now I went to find an approximate expression $$V = k\l...

2
Q: Notation regarding random variables

hanugmLet X be a random variable. Consider X ~ F. It can be read as X has distribution F. What is distribution referring here? Consider the following interpretations 1) If X is continuous, then F is a probability density function and if X is discrete then F is a probability mass function. 2) F is a...

1
Q: characteristic of ring

athosI’m a bit lost on the characteristic of a ring. It’s said the additive order of every non-zero element is the same. But, consider ring $\mathbb{Z}_2\times \mathbb{Z}_{3}$, element $(0,1)$ has order $3$, but $(1,0)$ has order $2$, they are different. Where is my misunderstanding? — update: I’m...

2
Q: Need help with modelling a cylinder with a piece cut out?

kay combobulateI need to model a cylinder with a piece cut out (a quarter of it), but I can seem to get it with nice edges: Test 1: Even with the a bevel added, the middle part is distorted. Test 2 Added more mesh to the top to 'fix' it, but the mesh at the bottom is ruined.

8
Q: (7 of 11: Fillomino) What is Pyramid Cult's Favorite Shape?

athin Dear PSE users and moderators, I’m new here in PSE, but I really need your help. There was this person who gave me a black envelope consisting 10+1 pages of puzzles, and also a scribble saying: “Find our favorites and you will be accepted to join our ‘pyramid cult’. Feel free to ask for help fro...

20:20
4
Q: Detect lightning:recordForm change in mode attribute

Brian MillerI'm trying to disable some surrounding components based on the mode attribute within lightning:recordForm (i.e. anytime I'm in edit mode, I'd like to disable a lightning:buttonMenu that sits just outside the lightning:recordForm). I'm using an aura attribute v.formMode to store the default mode ...

20:35
4
Q: Meaning of ギャップ in the following sentence

MarcoContext: a couple is checking out the otters while visiting an aquarium. Boy: 苗代【なえしろ】はカワウソが好きなの? Girl: うん!動物で一番好き。食べる時とか時々ブサイクになるギャップがたまんないの。 What is the meaning of ギャップ in this sentence? Since she says "食べる時", I think maybe she is referring to the "gap" of an otter's slightly open mo...

1
Q: Prove that vectors are parallel iff their unit vectors are equal

oskarrynHow to prove that vectors are parallel iff their unit vectors are equal? $$\mathbf{u} \parallel \mathbf{v} \iff \hat{\mathbf{u}} = \hat{\mathbf{v}}$$ A vector can be written as a scalar multiple of its magnitude and unit vector in its direction: $\mathbf{u}=\|\mathbf{u}\| \hat{\mathbf{u}}$. Int...

5
Q: What printing process is this?

Betty CrokkerBack in the 1970s my father self-published a newsletter, and I'm trying to figure out what the printing process was that he used. He laid everything out by hand (of course) and then there was a step that looks like a photographic negative and another step (not sure which came first) on a metalli...

DSP
DSP
1
Q: Why is the Hamming and Hanning window the most widely used for speech spectograms?

boomkinWhen taking the Short-Time Fourier Transform of the speech signal, windowing is applied to taper away the signal frame at both ends and mitigate introduced artifact at expense of the maximum obtainable resolution. Window design is then motivated controlling the trade-offs or spectral-time resolut...

20:53
4
Q: Why is the Vasa Museum in Stockholm so Popular?

YnhockeyI am planning a short trip to northern Europe (time is scarce), and have 2 days for Stockholm. I probably have time for just one museum, and the Vasa Museum is by far the #1 most recommended museum in the city, by every travel guide, blog, etc. However, from what I saw and read, it's all about a...

1
Q: how to change ^L code in many files in ubuntu?

YangI have a lot of xml files, about over 50000 files. In some xml files, some files are wrote like this... <filename>abc.JPEG<^Lilename> ^L is just one character, But I can't find ^L means in google. when I use cat to print that file, than it shows like... <filename>abc.JPEG< ...

DIY
DIY
21:06
1
Q: In-Cabinet (sink base) electrical box - Metal or Plastic?

DrTarrI'm planning on putting an electrical box in my sink base with a split outlet, one for the dishwasher, the other for the garbage disposal. I was thinking of running 12/3 MC from the wall gangbox (metal box + metal cover with knockout) to another metal box in the sink base. Is this a legitimate ...

21:31
1
Q: What is it exactly about flying a Flyboard across the English channel that made Zapata's thighs burn?

uhohCNN's French inventor makes 'beautiful' flight across Channel on hoverboard reports that: "French inventor Franky Zapata has successfully crossed the Channel on a jet-powered hoverboard for the first time, after a failed attempt last month. Later in the article it says: The inventor sai...

2
Q: "Automatic is not a valid StreamPoints specification"

AccidentalFourierTransformIf I run StreamPlot[{a, b}, {a, 0, 10}, {b, 0, a}] the kernel hangs, and I have to restart it. I also get the error message StreamPlot::strmpts: Automatic is not a valid StreamPoints specification. If I try to manually specify StreamPoints, the kernel still hangs, and the error message ...

21:51
7
Q: Is the first page of Novel really that important?

cool_bodhiI am reading in a few blogs like this that the first page of the novel is really important if it has to get published. Is this true? Can a good story not compensate for an ordinary first page. I have a first page which is the introduction of my characters in a pub, is it advisable to bring up th...

TeX
TeX
3
Q: coding the arrow's path in flowchart

Kώστας ΚούδαςI made some changes to Zarko's code from here to make my own flowchart. \documentclass[a4paper,11pt,twoside]{book} \usepackage[a4paper,left=2.5cm,right=2.5cm,top=2.5cm,bottom=2.5cm]{geometry} \usepackage{amsmath, amsthm, amssymb, amsfonts} \usepackage[english,greek]{babel} \usepackage[utf8]{inp...

4
Q: Unlocked Package Dependencies

SauloGiven two unlocked packages: UP_A and UP_B. UP_B classes uses classes from UP_A (UP_B depends on UP_A). When I try to create a new version to UP_B from terminal I get the message: ClassFromUP_B: Invalid type: ClassFromUP_A My understanding is since ClassFromUP_A belongs to UP_A its source cod...

GIS
GIS
3
Q: Can't split a feature as invalid geometry - but "Check Validity" says its valid

spanishnickI am trying to split features in a shape file but I got an error message. I've had cases in other shape files where the message also appear. I then run the "Check Validity" option and rearrange the nodes and it solves the problem. However, this time, the outputs indicates that the geometry is val...

2
Q: A verb for when some rights are not violated?

Learner Their civil rights are violated. That is not true, their civil rights are fairly _____ . They said that, contrary to what your media tells people, in this country human rights are not violated but ______ . The verbs I have in mind are to satisfy and to secure. Is any of them idiomat...

DSP
DSP
22:07
1
Q: Proof of First Difference Property for Fourier Series

user2443636I am having trouble with deriving a proof for the first difference property for the Fourier Series. Here is my attempt at the derivation: $$ y[n] = x[n] - x[n-1] $$ Fourier Series Representation: $$ a_k - a_ke^{-jk\omega_0} $$ Fourier Series: $$ y[n] = \sum_{k=<N>}(a_k-a_ke^{-jk\omega_0}...

3
Q: What is a summary of basic Jewish metaphysics or theology?

StewartWhilst wishing no disrespect to any religion, various "basic concepts" are easily found summarised or explained in introductory texts or online. For example: Buddhist metaphysics would have to do with death and rebirth, karma and Nirvana Christian concepts of theology could by summarised by tal...

1
Q: Confused over role of 「自分が」in this particular passage

ガースI'm reading through Ishikawa Taiga's memoir 『僕の彼氏はどこにいる?』, and I've come across a passage that has me quite confused as far as grammatical structure goes, specifically the role of 自分が in following passage: 自分が初めて男のコに気持ちが動いたときのこと、学校でのこと、中には「元彼のことが忘れられない」なんて発言も飛び出して、まだ「生のゲイ」に出会ったことのないボクは、ただ感心する...

DIY
DIY
22:26
1
Q: Cleaning Edwardian tiles found under more recent tiles

KeithWe removed some river-pebble-effect tiles in our hall, and found period (1910ish) tiles underneath. We have an area of about 2m², still with lots of the adhesive from the overlaid tiles. Otherwise the tiles appear to be in fairly good condition. How do we remove the adhesive from the top of th...

22:36
1
Q: Basic CPA walkthrough

plagiarismMy professor put this on the slides but gave us very little context. It is meant to be an overview of how it works at a high level. I have a programming background and I get the general idea of attacks like Chosen Plaintext Attack. Be warned I am terrible at maths! Request: I hope someone can...

CS
CS
2
Q: Representation of the concatenation at the type level

FoxyI would like to learn more about concatenative programming through the creation of a small simple language, based on the stack and following the concatenative paradigm. Unfortunately, I haven't found many resources concerning concatenative languages and their implementation, so excuse me in adva...

1
Q: In a KP-K endgame, if the enemy king is in front of the pawn, is it always a draw?

LynobIn a KP-K endgame, if the enemy king is in front of the pawn, is it always a draw? I've tried it in various positions, yet my opponent always is able to get in front somehow and promote the pawn. I hear it's always always a draw. I've been playing for so many years, and never figured out how t...

23:14
5
Q: Chord structure and arppeggio study

skinny peacockThis question is just to satisfy my own curiosity. I play mainly guitar, and some piano. Both are chording instruments so I study chord structure and arpeggios as part of my education process. I found myself wondering whether students who study on instruments that cannot chord spend any time stud...

ELL
ELL
2
Q: Hook/Clasp/Latch? (For a necklace)

It's about EnglishWhen someone fastens a "clasp bracelet/necklace", will it be natural to use: She clasped her necklace/bracelet. (I feel this sounds okay) She latched her necklace/bracelet. (Maybe this sounds a bit off.) She hooked her necklace/bracelet. (Maybe this sounds a bit off too) Or will i...

CS
CS
2
Q: Why does Shift-right says it is bound to right?

TomI tried to check what function shift-right is bound to which extends the region right by a character by default. But C-h k says: <right> (translated from <S-right>) runs the command right-char (found in global-map), which is an interactive compiled Lisp function in ‘bindings.el’. If S-right do...

3
Q: Lower bound for the number of lattice points on high dimensional spheres

Tony BLet $rS^{d-1}$ denote the sphere of radius $r$ in dimension $d$ (centered at the origin). I'm interested in the number of lattice points on the sphere (not inside). More precisely, let $$ N(r,d):=\text{number of lattice points on the sphere of raduis } r=\#\{x\in rS^{d-1}: x\in \mathbb{Z}^d\}. $...

23:44
3
Q: Can genetic genealogy identify father of male first cousins with same first name?

BobESamuel had two sons, Joseph and Abraham in the 1740's (in New Jersey) Joseph had a son, Levi Abraham had a son, Levi One of these (Levi) sons has no further history, the other Levi married and had at least 9 children of which there are many descendants today. The problem is that the descenda...

23:55
3
Q: Want to manipulate and visualize differential equation of a falling object

HappyHiggsI am trying to get ahead of my upcoming semester by visualizing a differential equation of a general ODE solution for falling objects with the given solution of $$m\frac{{dv}}{{dt}} = mg - \gamma v % MathType!MTEF!2!1!+- % feaagKart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn % hiov2DGi1BTfMBae...


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