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00:23
5
Q: Why is Banner the way he is in the Shang-Chi post credits scene?

Blue Skin and Glowing Red EyesIn Avengers: Endgame, Hulk/Banner (smart hulk?) is the default form for Bruce Banner. However, in the credits scene of Shang-Chi and the Legend of the Ten Rings, Bruce is shown as a standard human (or as standard human as Banner gets). Why is he no longer Smart Hulk by the time of Shang-Chi?

2
Q: How to apply complementary slackness

UpstartGiven the primal $$\max z= 5x_1-4x_2+3x_3$$ subject to $2x_1+x_2-6x_3=20$ $ 6x_1+5x_2+10x_3\leq 76$ $8x_1-3x_2+6x_3\geq 50$ with $x_1\in \mathbb{R}, x_2\geq 0,x_3\leq 0$. The question is to construct the dual and find the dual solution using complementary slackness theorem if at the primal's opti...

4
Q: Every matrix can be changed to a symmetric matrix through elementary column operations

Dan SimsThe following question is given in a section 2 lecture of linear algebra. The first section is about polynomial, so the lectures just started to talk about determinants and matrices. Let $A$ be an $n\times n$ matrix over a number field $F$. Then there exists an invertible matrix $R$ such that $A...

3
Q: Independence of function of random varibles

Abhinav440If there are two independent random variables, $X_1$ and $X_2$, then I define two other random variables $Y_1$ and $Y_2$, where $Y_1 = f_1(X_1,X_2)$ and $Y_2 = f_2(X_1,X_2)$. Can $Y_1$ and $Y_2$ be deemed independent? If there is dependence, what would be the penalty for neglecting this dependenc...

00:56
4
Q: Is there a latin helper word that can used with infinitives (and implies that the subsequent word may be an infinitive)?

JoshAs I'm working on vocabulary, I'm doing all I can on my flashcards to stay "in Latin" as much as possible (as opposed to English translations), and also to use as much "natural" Latin as possible. For instance, a flashcard with a singular present active indicative forms of "amo" would appear like...

01:09
5
Q: Join not working

Granger ObliviateI am trying to append elements to a list in Mathematica using the join function but it is not working. Here is a small working example: TestList = {}; For[j = 1, j <= 3, j++, Join[TestList, {j}] ] TestList The output is {}, where I want it to be {{1},{2},{3}} Thank you

2
Q: Multi-value integration

YairIs there any place which demonstrate how an integration over a Riemann surface (a branch-cut for example) can lead for a result which involves multiple different values? I looked in several places but could not find any sufficiently clear source.

01:29
5
Q: What is the German government's rationale for not allowing Leopard 2 tanks to be given to Ukraine?

nothingmasterThere are many news articles today about how the German government is reluctant to allow Leopard 2 tanks to be given to Ukraine. For example, the BBC reports: Under German law, the government in Berlin would have to give its permission before countries such as Poland or Finland could commit to r...

2
Q: Why did Jesus curse the fig tree in Matt. 21:19?

PamI heard a Pastor/teacher say that Jesus cursed the fig tree because it is written in the Old Testament (maybe Isaiah, I don’t remember where they said it was) that when the righteous approach, a tree should bear fruit and the tree did not, that is why Jesus answered by cursing the tree. Do you kn...

ELL
ELL
1
Q: comparative or superlative

Ahmad Mohammadcomparative or superlative ? Is France ( a good / a better / the best ) choice to study overseas than Australia or America? My answer : Is France a better choice to study overseas than Australia or America ? I think, it should be comparative because it is not comparing with more than two things ...

CS
CS
4
Q: What is responsible for the "missing consensus" on donating non-Bundeswehr Leopard 2s to Ukraine?

Italian Philosophers 4 MonicaFrom Reuters, about Leopard 2s for Ukraine German Defence Minister Boris Pistorius said he could not say when there would be a decision on the tanks but Berlin was prepared to move quickly if there was consensus among allies. I understand that there are a number of reasons, and a question about...

2
Q: What is the name of the inlaid pins in this FPC flat cable?

DIP4I discovered that this flat cable is of type FPC - 2.54mm pitch, but I had no success searching the inland pins.

3
Q: How is the baggage handled for multicity flights with China Airlines?

learndI'm looking to book following multicity flights with China Airlines: Bangkok to Taipei Taipei to London My question is when I arrive at Taipei do I have to collect my luggage and check it in again for outbound trip to London? Or I only check it in at Bangkok and collect it when I get to London?

3
Q: Shouldn't two different expressions for a general antiderivative be equal?

Iced PalmerFor the integral $$\int 2 \cos x \sin x \text{d}x,$$ a $u$-substitution with $u = \sin x$ leads to $$\int 2 u \text{d}u = 2 \cdot \frac{u^2}{2}+C= u^{2}+C = \sin ^{2}x + C.$$ On the other hand, using the double-angle formula $2 \sin x \cos x = \sin \left(2x\right)$, the original integral can be ...

01:51
2
Q: Is the film still useable if the back of the camera opens while youre still on 0 shots and have just loaded in the film

SarahI have just loaded in 35mm film to my camera (basic Canon point and shoot) but the back accidentally opened. I haven't taken any pictures yet, is the rest of the film okay because it made that noise it makes when you first put in a roll of film.

02:02
2
Q: Can we have this sequence where choice fails and returns?

Zuhair Al-Johar Can we have a sequence of transitive sets $\langle\mathcal V_0, \mathcal V_1, \mathcal V_2,...\rangle$, all modeling $\sf ZF$, such that $\mathcal P(V_n) \subset \mathcal V_{n+1}$, and the cardinality of each is inaccessible from the cardinalities of the sets preceding it, and where choice fails...

CS
CS
1
Q: Best way for rendering Voronoi diagram from Delaunay graph mesh

Frank SollI have a set of points, which I triangulate to a Delaunay graph to make a mesh. Every mesh vertex has a unique colour, and I can render it without any problem. But I want Voronoi rendering to be possible too. Ideally, I want to make a shader which computes the distance from every vertex, and colo...

1
Q: How can I make an array around deformed object?

СергейI want to create a ventilation so I made this: I have a rib (near cursir) and I want to create an array of that's ribs along my mesh. How can I do that? I've tried to use object offset in array modifier but without result: How can I fix that?

2
Q: Is there a non-technical word in English that means "to add one"?

Daniel R. CollinsAs a computer scientist, I ran into trouble recently with a piece of my game writing for a general audience, which had a few phrases like this: For magic, each boost increments quantity. The intention here was for "increment" to mean "adds one to", which is what it means in the technical field ...

02:27
1
Q: Boot from USB with a Raspberry Pi 4B that apparently has a broken SD card reader

vincenzopalazzoI have spent the last couple of days testing my Raspberry Pi 4B to be able to boot from the SD card. Apparently, I think that the SD card reader stopped working, and I can not have any OS inside my Raspberry Pi 4B. I noted that there are a couple of options that allow the Raspberry Pi to boot fr...

CS
CS
2
Q: Confusion with a text about input protection diodes and resistor

user1245Here is the section from a book I came across online: If I don't get it wrong, it says the diodes D1 and D2 prevent currents to flow into the opamp in case of over voltage. And the reason they are Schottky type is because this type of diodes have low voltage drop which is preventing internal opa...

02:46
4
Q: Capture the Flag... with a twist

The ThonnuInspired by a challenge from the OUCC 2022 Seniors competition. Background Two teams are playing "capture the flag". They take turns invading each other's base and capturing their opposing team's flag in the shortest amount of time. The attacking players each have one soft ball they can throw at ...

03:23
2
Q: Numbers of strings that begin with consonant

PeraltaLearnsSuppose you have the letters $[A, B, C, D, D, F]$. Find the total number of strings that begin with a consonant. I was thinking there are $5$ consonants to choose from for the first position: $[B, C, D, D, F]$ and that would leave $5$ other characters to permute: $$\binom{5}{1}\cdot5!$$ But I thi...

3
Q: Inside a limit, when can you substitute terms?

J__nTo illustrate what I'm trying to say in the title, consider the following limit. $$\lim_{x\to 0} \frac{\frac{\sin x}{x}-1}{x}$$ This, you might notice, is a derivative, but that is not relevant, it's simply an example I have at hand right now. My initial thought to solve such a limit, as $\lim_{x...

DIY
DIY
03:38
1
Q: Is it a good idea to place an electric boiler on the warm water line?

Andrei RîneaI have a condensing gas boiler (tank-less) at one end of my house. I have a bathroom at the the other end of my house, at a higher level. In the morning if I open the hot water tap it takes about 15L (~4 gallons) of water, and 60-70 seconds to get hot water because the water line is very long and...

3
Q: Defining the complex Fourier series and Coefficient functions

Athanasios ParaskevopoulosLet's consider the following periodic function f[x_] := Which[-2 < x < 0, x + 2, 0 < x < 2, 2 - 2 x] I know that if we want to find the complex Fourier series and its coefficient we write the following commands for 10-terms : FourierSeries[f[x], x, 10] FourierCoefficient[f[x],x,10] I would like...

2
Q: Most cost effective way to realize profits?

PersonSelling a security at a loss is subject to wash sale rules in the US, but selling a security at a gain is not. While they are rare, there are a few situations in which an investor might want to realize a profit of a security while continuing holding it. The investor can then sell the security and...

TeX
TeX
03:59
1
Q: \renewcommand not executed for \div

Matthias PospiechIn the following code the math text for \div is wrong: \documentclass[]{scrbook} \usepackage{amsmath} \usepackage{unicode-math} \renewcommand{\i}{\symup{i}} \newcommand{\const}{\symup{const}} \DeclareMathOperator{\e}{e} \DeclareMathOperator{\rot}{rot} \DeclareMathOperator{\grad}{grad} \Dec...

DIY
DIY
4
Q: Earthing/grounding wrong, multimeter measures 120V between phase/neutral and ground

pasaba por aquiIn a house initially without earthing/grounding, I've make a new one using 3 copper rods 1.5m long, spaced 6 meters apart and connected by 35mm2 bare copper cable. But something is wrong. A socket tester says "live/grd reverse, missing grd". It is a 3-light test device, and the 3 lights shine. A ...

5
Q: bahn.de, how to remove un-necessary connections?

njzk2I want to take a train from Paris to Berlin at night. I'm trying to book via bahn.de, but I've also looked at thetrainline.com For next Wednesday, bahn.de offers me an option with connections in Frankfurt and Leipzig. So that's Paris -> Frankfurt (TGV), Frankfurt -> Leipzig (NJ), Leipzig -> Berli...

04:19
1
Q: How can I modify a Windows task schedule via command line without requiring a password?

UserI can create a task on the Windows 10 command line using SCHTASKS without needing to enter my password. For example: SCHTASKS /Create /TN my_test /SC MINUTE /MO 2 /TR "msg %username% Hello World" (Show Hello World message box every 2 minutes) But when I try to modify the task: SCHTASKS /Change ...

DIY
DIY
04:30
1
Q: How to build an interior wall without ceiling studs to attach on?

Justin ZhangI need to add an interior wall in the basement which runs parallel to the ceiling studs (as shown in the picture). I can't directly attach the drywall frame to the studs. I think I have two options: Directly attach the frame to the ceiling drywall. This is weak, but for a non-loading-bearing wal...

1
Q: Which fingering system is easier on the Roland AE-01, trumpet or recorder?

Bob The Roland AE-01 (digital wind instrument) has fingering for recorder and trumpet. There is no need to develop blowing technique. I played the trumpet years ago so I can recall some of it. In terms of learning at a very basic level, is there more available for either trumpet or recorder? Will...

3
Q: Showing a bound of the second derivative using remainder in integral form

Lunnnniii17289Let $a,b \in (0,\infty)$ Let $f$ be twice continuously differentiable , $f(0)=f'(0)=f'(a)=0, f(a)=b.$ Show that there exists $c \in (0,a)$, such that $$\vert f''(c) \vert \geq \frac{4b}{a^2}$$ I have to use the Taylor theorem with integral remainder to prove this.

05:10
2
Q: What are the origins of and is this use of the term "baby" sexist?

Don0Examples: "Do you have a date?" "You know it, baby!" "Are you taking a trip? "I'm going to Vegas, baby!" I was wondering what the origins of this use of the term baby are. Also is it sexist? I assume some women might find this term objectionable if used by a man as if they were being called "...

Law
Law
1
Q: A law based question based on the Drishyam Bollywood movie

Anshuman DwivediSuppose a case comes to you and you are to weigh the crime on the part of plaintiff and that of defendant and then to pass on a verdict. How would you decide ... Case below Suppose a boy made an MMS video of a girl taking bath and then asked her of sexual favours with a threat to circulate the v...

05:48
3
Q: I am a non zero number

RogerAI am a non zero number. I can be shown with a single letter, or three letters, or five letters or six letters. What number am I? Note there is NO Language Tag

CS
CS
2
Q: Is it possible to statically generate lift with the difference in pressure like wings?

FulanoIf I understood it correctly, the shape of the wings and/or propellers generates lift/thrust with the difference in pressure in both sides of the wings/propellers; where the lower side has higher pressure airflow and the uper side has low pressure airflow. With this in mind, I was wondering if i...

06:31
2
Q: What's this loose wire near the battery of 2001 Toyota Highlander?

iroweI have a 2001 Toyota Highlander which won't start. I also was unable to jump it. When I was looking around under the hood, I noticed that there was a black cable with an exposed end floating near the positive terminal of the battery. The positive terminal isn't completely disconnected, but I can'...

07:01
3
Q: RMD, how is it withdrawn?

perHow is RMD (Required Minimum Distribution) withdrawn, say the 4% RMD is withdrawn from each account separately (IRA, 403B, SEP IRA, Simple IRA) or is it computed on the entire retirement accounts and you can withdraw the total from any account(s) you desire?

1
Q: Using roots of unity mod n to break rsa when e and phi are not coprime

bd55I am trying to solve an rsa problem where we only know the public key (n,e) and the ciphertext c. The modulus n is actually a prime number, so we can easily compute phi as phi = n-1. But the problem is that e shares a common factor with phi, where gcd(e,phi) = 8 , where gcd = greatest common divi...

5
Q: In what sense are Pauli matrices "intertwiners"?

WillGI'm trying to understand the following quote from the Wikipedia article on the Pauli matrices. More formally, this defines a map from $\mathbb {R} ^{3}$ to the vector space of traceless Hermitian $2\times 2$ matrices. This map encodes structures of $\mathbb {R} ^{3}$ as a normed vector space and...

CS
CS
07:32
2
Q: Help to diagnose 3 phase induction motor stuttering

Christian CarlssonI’m working on a project where I want to run a 3 phase induction motor (see picture for specifics) using a VFD (Variable Frequency Drive). The VFD I have is a cheap Chinese one (the “T13-750w-12-H”), but I’ve seen others have success with it. However, when starting the VFD, the motor does spin, b...

07:59
3
Q: Interpreting dual basis vectors given basis

Jonas KrugerI was searching for how to find the elements of the dual basis for some vector space $V$ given the basis for $V$ and I found this (Finding dual basis to some given basis). I'm now trying to compute some simple examples and I have difficulties in interpreting the results. Say I have the plane $\ma...

08:14
1
Q: 1980's Stand Alone Serial (RS232) Spool File

John HolecIt was a device the size of a Hayes Smart Modem. it had two RS232 ports, one In, one Out and 256K of memory (I think, might have been less). It was a cunning little tool - plugged between a PC and a printer it allowed the user to print and not have to take a 10 minute break while the PC twiddle...

3
Q: Did the disciples 'see' Jesus (John 20:20) in the way Job 'saw' God (Job 42:5)?

Ocean UpIn John 20:20, we read : And when he had so said, he shewed unto them his hands and his side. Then were the disciples glad, when they saw the Lord. [John 20:20 KJV] Did the disciples see Jesus in the same way as Job saw God in Job 42:5 : I have heard of thee by the hearing of the ear: but now ...

08:30
3
Q: Write a program entab that replaces strings of blanks by the minimum number of tabs and blanks to achieve the same spacing

iamericfletcherMy attempt at Exercise 1-21 in the The C Programming Language book written by Brian Kernighan and Dennis Ritchie. Exercise Prompt Write a program entab that replaces strings of blanks by the minimum number of tabs and blanks to achieve the same spacing. sample.txt apple banana ...

08:44
1
Q: Audio via PWM pins?

Foxy6670Okay, kinda a noob here. I've been looking around, trying to find an answer to playing audio via the PWM pins. I tried rerouting the audio to no avail. I've tried making a script that uses PWM to play audio over the pins. I just can't get it to work at all. Pi GPIO connections: Speaker+ on GPIO 1...

1
Q: Turn 3d terrain height map into just contour lines?

TheKingsNotesI want to A. Import a map from the GIS add on or B. Use a height map. I want to then display only the contour lines of the terrain as shown in this image:

Law
Law
09:00
4
Q: Peanut butter - may contain peanuts

forestSome products have disclaimers that serve no apparent purpose or which are obviously redundant. For example, a peanut butter jar that lists the ingredients as peanuts, and then provides a warning right under it which says may contain peanuts.* If a company sells a product without such a warning, ...

DIY
DIY
3
Q: How to stop bolts from loosening over-time?

quantum231Here is a picture of what I intend to use: I believe (and could be wrong about this) that overtime as the structure is moved, the nut that was fastened to hold the structure together will gradually loosen. Is there way to make the nut so tight and fixed, that it will never become loose automatic...

1
Q: Rough and ready value for cash offer on a house?

311411I am thinking about making a cash offer for a house, below the current asking price. I would like to make (at least) a rough calculation of a sensible offer amount. First what I have read already: Buying a property for cash (money.stackexchange.com/questions/62509) Strategy to Negotiate a House ...

4
Q: Open string call out does not match requested music note

MusicHappyI am learning guitar and recently came across a sheet requesting what I understand to be an open B string (red arrow), however the music sheet shows a C (blue arrow) note being played. What is the correct way to interpret the vertically stacked numbers in the attached image? Do they not refer to ...

3
Q: Is the definition of all non-standard bases dependent on the standard basis?

lafinurLet $V$ be an $n$-dimensional vector space over field $\mathbb{K}$ and let $\alpha$ be a vector in $V$. Let $B = \{b_1, ..., b_n\}$ be a basis of $V$. When we say $\alpha=(x_1, \ldots, x_n)_B$ we only mean $\alpha= x_1b_1 + \ldots + x_nb_n$. There is nothing else essential to the definition of th...

09:26
1
Q: How can I recognize an OP_RETURN transaction looking only at the hex?

luisschwabLooking at these two transactions for example: tx1 and tx2. tx1 is an OP_RETURN trasaction, tx2 is a normal transaction. raw hex from tx1 (OP_RETURN): 0100000000010173a9eafb38a83662d28a5c885165c7aa3f27694e39f0ba4e4fc86d98ff3dd2d60000000000ffffffff0200000000000000004b6a494575726f706520697320746972...

09:47
2
Q: I feel like I didn't deserve to pass an exam

johny36Recently I did my retake exam for Advanced Maths in college. Compared to the ordinary exam, it was easier. My grade was 9/10. I worked very hard for it, non-stop for 5 months, dealing with anxiety and depression. However, instead of feeling happy and relieved I feel bad and guilty. I feel I didn'...

2
Q: Does John 4:6 and John 6:44 seem paradoxical ? Who do we seek first: the Father or Son?

Humberto José BortolossiJohn 6:44 says: No one can come to me unless the Father who sent me draws him. (ESV) While John 14:6 says: No one comes to the Father except through me (ESV) Comparing these two verses, brings to my mind the egg/chicken paradox: Which came first: the chicken or the egg? In the bible context, ...

RPG
RPG
10:07
4
Q: Why record number of Hit Dice?

hotmeatballsoupBrand new to DnD 5e and trying to wrap my head around the accumulation and spending of Hit Die. My understanding is that: Hit Die are used to determine your character's Max HP Hit Die are gained for each Character Level you gain Hit Die are determined by your class plus some modifier (???) for e...

DIY
DIY
10:20
1
Q: How do I bend conduit in this Tight Space?

st4rgutI only have 11 inches to do a 90 degree turn and an offset into the solar inverter. I tried doing both with the 90 before the offset into the box, but the emt jutted out past the window sill. The other alternatives are to do a offset before the 90, but then a long portion of conduit will be raise...

CS
CS
2
Q: Did the FBI seize former US president's current passport in the Mar-a-Lago raid? If so, did they return it? If so, when?

uhohAfter 03:20 in CNN's January 22, 2023 Brown presses GOP House Intelligence chair on Trump documents US Representative Mike Turner (R-OH) says the following: The concern we all have, is the abuse of power that was done by the Biden administration, where they raided his home. Now you know, they di...

CS
CS
10:52
1
Q: Kicad 6 missing symbols/footprints

Edwin FairchildFresh install of Kicad on my linux machine. It has A LOT of footprints and symbols etc... but I cant find a simple polarized cap symbol or footprints for smd electrolytic capacitors.. They exist here: https://kicad.github.io/footprints/Capacitor_SMD But that is supposedly for version 5 of kicad. ...

11:11
1
Q: How to conserve a fraction as a part of the numerator?

Granger ObliviateSo I am doing some symbolic processing in Mathematica. I end up with something like Expr1 = a/b Expr2 = c + d + f Then I want to evaluate Expr1/Expr2, but I want to keep the fraction in the numerator. Basically I want my final expression to be $$\frac{\frac{a}{b}}{c+d+f}$$ However Mathematica i...

3
Q: Why smooth manifolds?

Cayley-HamiltonAn analytic structure on a manifold is an atlas such that all transition maps are real-analytic. I am wondering firstly about times where a real manifold might arise where the full generality of a topological manifold is required, as opposed to a smooth or analytic one. Secondly I am wondering ab...

11:52
4
Q: Potential Red Flag (on my side) in PhD Interview

dankmemerBefore anything else, I want to mention that my field is mathematics. Recently, I had an interview for a Ph.D. program for a research group that consists of two fields, say X and Y. On the application, I indicated to work in the field of X. However, in my statement of purpose, I mentioned that r...

TeX
TeX
1
Q: How to add a curly brace to label $MEB$?

Ajay\begin{center} \begin{tikzpicture} \begin{axis}[ scale = 1.2, xmin = 0, xmax = 10, ymin = 0, ymax = 10, axis lines* = left, xtick = {0}, ytick = \empty, clip = false, xlabel={Quantity of energy efficient housing}, x label style={at=(current axis.right of origin), anchor=west}, ylabel={Price, cost...

1
Q: How do I stay out of malicious gossip when co-worker keeps trying to get me to agree with her?

DiligentWorker25Two co-workers of mine talk about a 3rd co-worker behind her back. They feel she gets away with things that other employees do not and management doesn't do anything about it. For example, her position allows her to work from home 2 days a week. But some weeks, she works more than 2 days at home ...

12:17
1
Q: How is the concept of a set associated with a location in a grid relevant to philosophy?

Sayamanhttps://en.wikipedia.org/wiki/Topos Topoi behave much like the category of sets and possess a notion of localization; they are a direct generalization of point-set topology. How is the concept of a set associated with a location in a grid relevant to philosophy? So I've been told that Topoi is ...

12:51
1
Q: Finding ODE constants

AterteeI am trying to find the constant from the following ODE describing the flow in a cylindrical pipe of radius $R$. $0=-\frac{\Delta P}{L}+\mu\left(\frac{1}{r}\frac{d}{dr}\left(r\frac{d v_z}{dr} \right )\right)+\rho g \cos(\theta)$ Where $\frac{d v_z}{dr}\bigg\rvert_{r=0}=0$ And $v_z\bigg\rvert_{r=R...

1
Q: Automorphism of moduli space of stable vector bundles over a curve

user41650Let $C$ be a smooth genus two hyperelliptic curve and $\mathcal{M}_C$ be a moduli space of stable rank two vector bundles of fixed degree(or fixed determinant). Then is $\mathrm{Aut}(\mathcal{M}_C)\subset\mathrm{Aut}(C)?$. The motivation is following. Let $Y$ be an index two prime Fano threefold ...

2
Q: Set notation: Difference between using spot/bullet, vertical bar '|' and or colon ':'

stan_plogicI have seen all three being used, sometimes two of them in the same set definition: mid: '$\mid$' spot/bullet: '$\bullet$' colon: '$:$' Is there a difference between the three and when should each one of these used to specify a set? Thanks.

13:37
3
Q: 2007 Dodge Charger 3.5L V6 won't turn over, but starter and relay appear to be working

user2731076Some quick background: This is my cousin's car, it has been parked for over a month, at some point before it was parked my cousin hit a tree (no airbags or anything) and afterwards it would start but not stay running. Not sure exactly at what point it stopped starting, but I came in the picture a...

2
Q: How to write FASTA records using "Bio.SeqIO.FastaIO.FastaWriter"

SupertechUpdate: Biopython document says that "Bio.SeqIO.FastaIO.FastaWriter" class is obsolete. Now my question becomes how to I use Bio.SeqIO.write() fucntion to achive the same thing I asked. I use the following code to extract specific FASTA records from a file based on a list of FASTA IDs given in an...

CS
CS
2
Q: What lead of a voltmeter is subtracted from the other to get the voltage?

Kryptic CoconutAs far as I understand, voltage is a difference of potential energy between two points, and that current flows from the negative to the positive pole of a battery in a circuit. Thus, according to these premises, voltage would decrease from negative to positive as the potential energy is used to m...

GIS
GIS
14:15
2
Q: Creating a true copy of QgsGeometry using PyQGIS 3

MrXsquaredI want to perform a QgsCoordinateTransform on a QgsGeometry object. I am doing this in a processing script, therefore the geometry-source-layer is not in edit mode. And the source layer should not be in edit mode. Besides of this I am getting the original QgsGeometry object from a QgsSpatialIndex...

14:32
2
Q: In 2023, is space still thought to be "filled with a network of wormholes"?

uhohThe September 2009 YouTube music video Carl Sagan - 'A Glorious Dawn' ft Stephen Hawking (Symphony of Science) at about 00:30 depicts a clip from (what I think is) Carl Sagan's 13-part PBS television show Cosmos: A Personal Voyage where he says (removed from context): Space is filled, with a net...

2
Q: Category where not every mono is regular

Jos van NieuwmanI'm looking for a category with the titular property. Since $f : A \to B$ is supposed to be mono, the desired factorisation is automatically unique (correct?). Thus, I would need to find a category in which the factorisation does not exist, i.e., there are no arrows ending at $A$. Therefore, I we...

1
Q: When your main character is a misogynist or a racist, how do you tell your readers that you don't subscribe to his racist views by merely showing?

SayamanWhen your main character is a misogynist or a racist, how do you tell your readers that you don't subscribe to his racist views by merely showing? The only way to kinda do this in my opinion is to make him learn from his mistake and develop him into a non-racist or non-misogynist character, but w...

Law
Law
15:16
3
Q: Is lying at all in a testimony considered perjury?

OprenSteinSay Bob was murdered at a coffee shop, and Jerry was a witness at the scene. At the trial, he is under oath, and gives his testimony. In his testimony, he explicitly claims that he was watching America's Funniest Home Videos up to the point when the murderer entered the shop. Later in the trial, ...

15:47
4
Q: Can I reduce my state income tax deduction, to avoid taxes on the refund?

Nate EldredgeSuppose I have paid $3000 in state income taxes in 2022, but I expect to receive a $1000 refund. I am itemizing deductions on my 2022 federal return, so normally I would deduct $3000, then include the $1000 refund in my 2023 taxable income. Is there a way that I can choose to deduct only $2000 o...

2
Q: Trade period (winter and summer) for Korean football league

mynameWhen does the trade period start and end for K League 1 and 2, the Korean professional football league, winter and summer respectively? Are they the same as Europe leagues?

1
Q: Combine multiple fonts and randomly choose from them using Geometry nodes

Rick TCombine multiple fonts and randomly choose from them using Geometry nodes I'm trying to randomly choose from multiple different fonts. I tried using the join but it seems not to be working as expected. I tried using a transform node on one of the fonts to move things around but that doesn't seem...

16:20
1
Q: How do I make the weight column in my medical log sheet get updated with the most recent weigh-in?

user307336I am looking to get the weight column in my medical log sheet to be updated automatically when I key in the new weights on my Weight Log sheet. I take the weights weekly and update the info into a new column. How could I do this? Please note I want to keep the log so I dont want to have to delete...

TeX
TeX
16:32
3
Q: How to get subequation numbering to use the Hebrew alphabet?

Evan AadA Short description of the problem In a document whose main language is Hebrew, I'd like subequations to be numbered using the Hebrew, rather than the English, alphabet, and using right-to-left directionality, as in the following screenshot: This screenshot was obtained from the one in the next ...

15
Q: Is the proportion of "breakthroughs" in mathematics decreasing, as it is claimed to be in other sciences?

xengBackground for the question: Park, M., Leahey, E. & Funk, R.J. Papers and patents are becoming less disruptive over time. Nature 613, 138–144 (2023). https://doi.org/10.1038/s41586-022-05543-x What Happened to All of Science’s Big Breakthroughs? A new study finds a steady drop since 1945 in ...

17:28
1
Q: Why treize is not pronounced as written?

Marco DinatsoliHello French language community. I started to learn French recently. I love the language, I love that it is pronounced as spelled, though there are a lot of silent letters, but if you know latin, you understand that they were pronounced at some point of time. But for now, I have a problem with Tr...

10
Q: Trust me: you do not want to go down this road with me

msh210 Every cell has a digit from 0 to 9 or one of the four operation symbols +, −, ×, and /, signifying addition, subtraction, multiplication, and division respectively. No digit appears more than once in a row. No digit appears more than once in a column. Reading across each row, with adjacent dig...

1
Q: Converting an existing 'Data' volume to APFS encrypted

lolskiLaptop: Macbook Pro M1 OS: macOS Ventura 13.1 I regularly work on sensitive data on my laptop and I want everything to be encrypted by default. The best way to do that I imagine is to encrypt my existing Data volume using the Disk Utility program. However, it's currently using the default APFS (n...

4
Q: Use of reflexive pronoun in passive periphrastic constructions

grumioAs I understand it: the reflexive pronoun is used when the object of a sentence relates to the subject e.g. puer cor suum sequitur - the boy follows his (own) heart. to convey a meaning of obligation, latin uses gerundive + esse construction. Since this is passive, the subject in latin is what ...

GIS
GIS
18:01
2
Q: Can't query GeoPackage geometry via SQLite client

serverpunkI have a GeoPackage and I want to select the geometry as text from the SQLite command-line client. Here's what I've done: Run sqlite3 Load SpatiaLite with .load /path/to/mod_spatialite.dylib (I'm on a Mac) Run the following query: sqlite> select astext(geom) from boundary; There aren't any err...

1
Q: Set affinity of a process using TASKSET or sched_setaffinity() to a processor core isolated using CPUSET

Abhishek GhoshFirst, let me give a background of what I am trying to achieve. I know how to isolate a particular CPU using boot param (isolcpu and nohz_full; the housekeeping subsystem setup). But as per my requirement, I need to isolate the CPU after the system has booted up. So, as per many articles, I tried...

18:18
2
Q: Is this property generally true for AES-128?

hp2505Let F(key, plaintext) be the AES-128 function. I want to know if the following property is generally true for AES or if have I stumbled upon a special set of keys. F(k1,F(k2,m)) = F(k1,m) XOR F(k2,m) Here k1, k2, and m are all 128 bits (16 bytes).

4
Q: Is "cockfighting" between larvae of Prawns?

releseabeThere is one brief scene in District 9 where humans are watching something like a cockfight but the creatures resemble the Prawns, but not exactly. Do we know if these are the Prawn larvae or just some species that are associated with the Prawn? We do know that young Prawns can resemble adults ve...

2
Q: Function continuity of defined functions at zero

Michal KyjovskýI am currently solving the following problems: For each of the functions below decide (and briefly justify), whether it is contiguous at 0. $$ f_1(x) = \begin{cases} x & \text{for } x \in \mathbb{Q}, \\ -x & \text{for } x \notin \mathbb{Q} \end{cases} $$ $$ f_2(x) = \begin{cases} ...

3
Q: How is “The Stars My Destination” a grammatically correct title/sentence?

quincyIt's a bit of a niche question, but I've always wondered how the title of Alfred Bester's 1956 novel is at all grammatically correct. I feel like it teeters on being grammatically sufficient, but isn't quite there yet. Although, clearly, it seems to be considered grammatically correct (it's a ful...

18:40
9
Q: Painting with Line Filler

l4m2Given a matrix, output whether it's possible to generate it by starting with an empty1 matrix of same dimension and repeatedly filling a whole row or a whole column with the same value. Example The following matrix: $$\begin{pmatrix}1&1&1\\2&3&4\\2&3&4\end{pmatrix}$$ Can be obtained with the foll...

TeX
TeX
19:02
4
Q: Cannot convert Greek lowercase to uppercase without accents in LuaLaTeX. How can I?

miltosPlease consider the following LuaLaTeX compilable code. It supposes to convert a sentence written in lowercase Greek to UPPERCASE, but with no accents. It converts to uppercase but the accents are still there in capital letters. Furthermore, it uses two different ways, both failing. Any suggestio...

2
Q: Connecting a path to the corner of a node with the rounded corners option

Lars Malmsteen\documentclass{article} \usepackage{tikz} \usetikzlibrary{tikzmark} \renewcommand{\thefootnote}{\fnsymbol{footnote}} \begin{document} \Large \tikzmarknode[inner sep=2pt,draw,rounded corners]{surname}{Kennedy} was killed by Lee Harvey Oswald the sniper. \vspace{5pt} \begin{tikzpicture}[rememb...

CS
CS
19:13
2
Q: How can the commutator of two observables be realized in an experiment?

VercassivelaunosLet's say we have two observables $A$ and $B$, and that we have an experimental setup in which we are able to measure both observables (not necessarily simultaneously). My question consists of two related questions: What is the meaning of the observable $BA$ in such an experiment? Is it simply m...

2
Q: Python: Handling different HTTP status codes using the requests library

heuristic_typeI am using the requests library to make requests to an API. However, I am not sure how to handle different status codes. I am particularly interested in handling status code 500, as that is part of my task. 1: Is a try/except block like I have an acceptable way of handling error codes? 2: How sho...

19:44
2
Q: iOS 16 - has anything been updated that would remove compatibility to Mojave?

TetsujinSimilarly to how Reminders was 'upgraded' at iOS 13 - see Old reminders are gone from macOS 10.14.6 Has there been any further significant compatibility change in iOS 16? Background: My phone is new, my Mac is old. My main workhorse Mac must remain on Mojave to retain compatibility to a significa...

3
Q: How reliable is the remaining life time of a SSD?

JameschadI've had HDDs years ago that used to fail and Windows would warn me that HDD has serious problem and gave me time to do something about it because otherwise after I reboot, it wasn't guaranteed for HDD to work again, that's like 10+ years ago. I've had a SSD for the past 6+ years and I've been us...

20:00
2
Q: Guessing two secret numbers

Dmitry KamenetskyI thought of two secret numbers $A$ and $B$ that are between $1$ and $10$ inclusive. Each turn you can provide me with your guesses $A'$ and $B'$ and I will tell you the sum of the absolute differences, ie. $|A-A'|+|B-B'|$. I will also tell you once your guesses are correct: $A'=A$ and $B'=B$. Wh...

3
Q: Are Superman's powers somewhat like a battery?

releseabeOften we are told he gets his powers from our sun, but he also flies interstellar distances so he is sometimes very far from our or any star. If he does store energy from our sun, how long does this last? I think under a red sun, he loses his powers. If so, is this because even if he is "charged"...

3
Q: How can ice form in an OAT of +20°?

Tudor RavoiuAccording to a question that I came across while studying for my EASA exam on Aircraft General Knowledge, "icing" is most likely to happen in an OAT between "Between -5°C and +20°C", but how can this be? I've read in books and online that because of supercooled water droplets, the "freezing" poin...

3
Q: What does it mean when a restaurant is called an institution?

Quartz2Is it meant to be a form of praise? Like x restaurant is an institution in New York. I rarely hear about a restaurant called an institution. Edit: I looked up the definition on Merriam-Webster, but still I could not understand.

TeX
TeX
20:18
2
Q: Why \cref{} doesn't print names of multiple labels?

yegor256I'm trying this: \documentclass{article} \usepackage{cleveref} \begin{document} \newcounter{rule} \newcommand\printrule[1]{R#1} \newcommand\orule[1]{\refstepcounter{rule}\label{#1}\printrule{\therule}: } \crefname{rule}{Rule}{Rules} \crefformat{rule}{#2\protect \printrule{#1}#3} \orule{foo} Foo \...

20:32
1
Q: Should I treat these data points as outliers?

Atthoriq PangestuCurrently, I am building my analytics portfolio as part of the Google Data Analytics course. I chose the option to analyze Divvy Bike Sharing data for the year 2021. But now I'm currently stuck in the part where I need to identify outliers in the dataset. I'm focusing on the 'ride_length' column ...

20:48
2
Q: TresuryDirect.Gov Tax Withholding

Chirag ShahAnyone know where in treasurydirect.gov website we setup tax withholding for interest accrued owning T-Bills and Notes?

DIY
DIY
21:12
1
Q: When is it appropriate to use an outswing / insuring exterior door?

gatorbackI am trying to identify the questions and understand how to make a decision as to whether I should use an in-swing or out-swing exterior door.

2
Q: Can the asparagus fern (Asparagus sprengeri) regrow from the bulbs/root nodes that were underground?

Tomáš ZatoMy asparagus fern has died due to lack of water (that is, I forgot about it). When I was eliminating it I found glassy bulbs in the soil: I was wondering if these can be revived if I put them in wet soil until they have enough water to start growing again.

21:31
2
Q: LWC linting error on <template> in new JS file

Darryl Le RouxSo I have just started learning LWC, and upon making a new component (helloWorld) on trailhead, when I try and upload to the org, I get the following error: force-app/main/default/lwc/helloWorld/helloWorld.js LWC1503: Parsing error: This experimental syntax requires enabling one of the following...

21:54
1
Q: Cause-effect fallacy

Ashton Dowling Person A: "Why is 1 + 1 = 2?" Person B: "Because if you collect one apple, and then collect another apple, 1 apple + 1 apple = 2 apples, so you now have 2 apples in total" The fallacy of Statement 2 is that the statement is an effect of Statement 1 but not a cause of it (adding apples together ...

1
Q: Is Andalusi's proof for the existence of God correct?

tryingtobeastoicSummary of his argument: Every limited thing's existence has a cause. The universe is limited. Therefore, the universe's existence must have a cause. Now, naturally, the question arises: what caused the universe? Andalusi responds: God created the universe. Now, one might ask, who created God? ...

1
Q: What is the relationship between the radius of the Hill sphere and escape velocity?

VladI'm currently working on a video game that will make use of a heavily simplified patched-conic model of the Solar System. I was wondering about some discrepancies between my own calculations as well as public data. Take the equation derived in this post for the radius of a Hill sphere in a two-bo...

1
Q: How to plot the described figure in mathematica?

SopieI have had an assignment for which I was supposed to calculate the maximum volume of the figure. I have done it and found my maximum points in the figure. The assignment does not require to plot the result of the maximum volume of the figure. However I would still like to plot the result. I do kn...

22:12
2
Q: How is rational number a group under addition if some non-rational numbers can be represented as a sum of rational numbers?

VladeKRThere are many famous examples demonstrating how adding rational numbers infinite times can give us non rational numbers notably the Basel problem: $$\sum_{n=0}^{\infty}\frac{1}{n^2} = \frac{\pi^2}{6}$$ but on the other hand, in basic algebra course we are introduced that $$ (\mathbb{Q}, + ) $$ i...

RPG
RPG
3
Q: Is Gaseous Form + Invisibility + Nondetection such a powerful combo for scouting and infiltration? How can I make it more challenging for my players?

LisaSome context: I'm a newbie DM running a campaign which requires the party to do a lot of scouting and infiltration missions. Especially in buildings. It's a city campaign happening in Waterdeep so I expected the party to do a lot of lock picking, disguise self and other similar standard "stealthy...

2
Q: Why is my XTR M9100 crank fouling the chainstay?

Lucero79I have two identical frames, other than age. A 2016 Production Privee Shan 27 and a 2019 Production Privee Shan 27. The 2016 Shan 27 was running full XTR, with an M9100 crankset. This is 162mm QF, 175mm crank and compatible with 142/148 O.L.D. The bottom bracket is a wheels manufacturing BB92 pre...

22:28
2
Q: How to solve the minimum value of a function without analytic expression?

Richardo.The analytic expression can be obtained for f. f = Integrate[AiryAi[x], x] -((x (-3 Gamma[1/3] Gamma[5/3] HypergeometricPFQ[{1/3}, {2/3, 4/3}, x^3/9] + 3^(1/3) x Gamma[2/3]^2 HypergeometricPFQ[{2/3}, {4/3, 5/3}, x^3/ 9]))/(9 3^(2/3) Gamma[2/3] Gamma[4/3] Gamma[5/3])) Therefore, the minimum val...

22:43
3
Q: My American friend contradicts my British friend regarding the use of "the"

DoubterWhich one is the correct one? Or do they depend if we're using American/British English? A: She went there after the summer break was over. or B: She went there after summer break was over. A British friend says A is the correct one; an American friend says B is the correct one. And I'm left wond...

TeX
TeX
2
Q: How to get rid of vertical spaces around "multicols" environment in "acmart" class?

yegor256This is my code: \documentclass{acmart} \usepackage{multicol} \begin{document} First paragraph. Second paragraph. \begin{multicols}{2} First line\\ Second line\\ \columnbreak\par Third line \end{multicols} End of second paragraph. Third paragraph. \end{document} I'm getting: Notice the vertic...

2
Q: Number of solutions of a differential equation

imbAFI am trying to find the solution to a homogenous differential equation of 2rd order. For that I use DSolve[]. What I get is a single expression, which should be the solution. But I am asked to find all the solutions of it. Is there a way in Mathematica to find all the solutions and not simplify a...

CS
CS
23:24
4
Q: Why do cables specify 75 Ω impedance when impedance is a two-dimensional quantity?

Stephen HubschrauberAs I understand it, impedance has an imaginary and a real part. To be able to perform any useful calculations, one needs to know both. Cables and speakers usually only say like "8 Ω" or "75 Ω". Is that purely resistive? If so, what is so special about 75 Ω that all coaxial cables have that resist...

2
Q: Existance of product measure contradiction

EsgeriathI heard that given family of probability spaces $(\Omega_{\alpha}, \mathcal{F}_{\alpha}, \mu_{\alpha})_{\alpha \in A}$, there exist product measure $\mu$ on product sigma-algebra (smallest sigma-algebra containing sets of the form $ \prod_{i \in I}E_i \times \prod_{\alpha \in A \setminus I} \Omeg...

4
Q: Solving a riddle with group theory

akinIn a videogame called "Heroes of Hammerwatch", there is an area in which players can try to solve a riddle to obtain loot. The riddle works like this: The area contains a 3 by 3 field of squares, some of them glowing and some of them not. Stepping on any square "flips" that square and its neighbo...

4
Q: What type of data should I generate to observe/amplify a crossing problem in quantile regression?

Recology1. Background Crossing problem in quantile regression can be observed when we want to estimate several conditional quantiles (e.g. τ = 0.1, 0.2, . . . , 0.9), as two or more estimated conditional quantile functions could cross or overlap. However, a higher percentile must have more points below i...

RPG
RPG
4
Q: What's a clock and how do I use one?

NautArchI've heard of using a 'clock' to help manage encounters and create tension, but how do you create and use one within a campaign/session/encounter? I have seen it used in other games, like Scum and Villainy, but using them for 5e is something not covered in WotC books and I would like to know how ...

TeX
TeX
7
Q: How can I align decimal in tabularray package?

John Paul PeterI am trying to align decimal in this table by using tabularray package. My code \documentclass{article} \usepackage{tabularray} \UseTblrLibrary{diagbox} \usepackage{siunitx} \sisetup{output-decimal-marker={,}} \begin{document} \begin{table}[htbp] \centering \begin{tblr}{ c...

DSP
DSP
23:45
2
Q: Choosing sigma values for Gaussian blurring on an anisotropic image

Harsha YI have an anisotropic image that is anisotropic both in terms of number of voxels and also in terms of voxel resolution. 1. Number of voxels: 256x512x96 (wxhxd). 2. Voxel resolution: 0.5x0.5x2.0 micrometer (wxhxd). Now, to perform uniform Gaussian blurring, I need to choose different sigma val...

23:56
1
Q: How to unwrap a curved mesh?

sanaaaI am in need of help unwrapping the rifle butt of the shotgun that I am making. I already added some seams on the back part and it seems to be done well (correct me if I am wrong, but I am still new at advanced unwrapping). The problem is when I unwrap including the majority of the mesh, it is al...

1
Q: How to assign a keyboard shortcut to increase/decrease the brightness of both my monitors?

AventinusI'm using a desktop PC with Windows 11 Home (22H2). I like operating my PC using keyboard shortcuts. I have used AutoHotKey to control several things, such as increasing/decreasing the volume (Win + F11/F12, moving to the next multimedia track (Win + F9), etc. However, I do not know how to assign...


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