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CS
CS
00:14
2
Q: Is the UK taking any steps towards better regulation of foreign investments after Russia started the invasion of Ukraine?

AlexeiThe Guardian suggests that Russian oligarchs used some legal loopholes to invest in UK, thus managing to secure some of their assets. The same article cites possible solutions for happening this in the future: To expose, investigate and block the Kremlin’s money, we need three things, all of whi...

1
Q: What processes create an object with an interstellar velocity?

Chris B. BehrensI've asked enough questions here to know that the answer is probably painfully obvious, but nevertheless... An object like Oumuamua originates in a solar system. This object has roughly the inertia of everything else there. I can imagine stuff on the edge of the accretion zone for a star that...W...

3
Q: Coordinate spaces inherit certain properties of a product spaces.

mioThere is a theorem Kelley's General Topology says that: Let $X_{a}$ be a topological space satisfying the first axiom of countability for each member $a$ of an index set $A$. Then the product $\prod\limits_{a\in A}X_{a}$ satisfies the first axiom of countability if and only if all but a countabl...

1
Q: Create Graph Bar Using Array Modifier With Taller Bars Infinitely?

makerbakerIs it possible to create a graph bar where each proceeding bar is taller and taller? Can I do this without using any code? Or what way could I make the next cubes essentially double then triple.... to infinity? I don't want to manually have to increase the height of each cube because that would t...

00:29
1
Q: Why is this LM317 giving an unexpected output?

Asmat AliJust for fun, I used an LM317 IC with two resistors (1.5k and 470 ohm) to get an output voltage of around 1.8 volts and used this circuit with a wall clock. It worked amazingly well when I connected different batteries, such as 3.7V, 6V and 12V, but when I connected charger to the battery, I soon...

DBA
DBA
2
Q: SQL grouping data into columns

Brylie Christopher OxleyI have a database with the following structure: Date role type duration 2022-04-16 Nurse Food preparation 45 2022-04-17 Nurse Cleaning 30 2022-04-17 Volunteer Cleaning 20 2022-04-17 Nurse Food preparation 60 There can be multiple rows with overlapping date, role, and type. I am ...

3
Q: In the northern hemisphere, why are countries in the north colder during summer?

LeoAs the Earth's axis is inclined, during summer in the northern hemisphere places in the north are exposed to the Sun's rays for longer, so days are longer during summer (say in June - Aug). Yet, countries like the UK have a lower summer temperature than countries like India, particularly given th...

CS
CS
4
Q: Does John 14:12 teach that every believer will do greater works than Jesus?

mwfearnleyJohn 14:12 (NASB), says: Truly, truly I say to you, the one who believes in Me, the works that I do, he will do also; and greater works than these he will do; because I am going to the Father. Interpretations often suggest that the sum total of believers over the last 2000 years have done many ...

01:00
3
Q: How to sight read rhythm (note durations)?

Aman KaushikI understand the concept of rhythm and different note durations, I can play them well. But, in many piano pieces there are different rhythms that are difficult to count while sight reading. I find it difficult to play different note durations that are combined with other note durations. For examp...

4
Q: Angular momentum about a point or angular momentum about an axis?

SolidificationWhat is the difference between the definition of angular momentum about a point as $\vec L=\vec r\times \vec p$ and that about an axis? How are they related? Can someone explain when the first second definition is useful and when the second is useful and why?

2
Q: While checking in I find out Lufthansa cancelled my flight: any recourses?

user74934I booked a ticket with Lufthansa (through their website) about a month ago. This was a roundtrip with the outbound trip consisting of 3 flights, and the return trip consisting of 3 flights. When I booked, Lufthansa accepted my credit card and showed a CONFIRMED page where they confirmed my paymen...

2
Q: Question on nth term test for divergence.

user130306If I have the series: $$\sum_{n=1}^{\infty} (-1)^n \frac{n}{n+2}$$ I need to know if this series converges or diverges. The solution says to use the n-th term test for divergence. In general I know that means that if you take $\lim_{n\rightarrow\infty} a_{n}$ and get any number other than 0, it d...

4
Q: Is there a simple dozenal divisibility test for sixteen?

LawtonI am investigating math in the dozenal (duodecimal, base-twelve) system. As part of this, I am compiling a list of tests for divisibility. For example, to test if a number is divisible by eight: All powers of a dozen higher than two are divisible by eight, so we can ignore all places in the numb...

01:20
1
Q: Wire resistivity / heat generation

ivanantunsHow to calculate the volts/amps of a battery which is connected to a simple wire for heat generation? That is, how to use: known wire length, diameter/area, resistivity to calculate the required volts/amps to heat the wire to 30 degrees Celsius? the surrounding medium is air, the ambient temperat...

3
Q: Get coefficient of a symbolized symbol in a sum that involves other symbolized expressions

genMy mathematica notebook begins with symbolizing all expressions of the form $x$ subscript an integer, "$x_k$", Needs["Notation`"] Symbolize[ParsedBoxWrapper[SubscriptBox["x", "_"]]] I then define a polynomial in terms of these symbols, eg. $$p = x_1 x_2 x_3 + x_4 x_5 - 2x_1 + x_1^2$$ Now I would...

01:38
3
Q: Proof that all concave sequences obey a given inequality

user3472 A sequence $(a_n)$ is called concave if for all $n > 1, a_n \ge \frac{a_{n-1} + a_{n+1}}2$ and convex if $(-a_n)$ is concave. Prove that for every positive concave sequence $(a_k)_{k=1}^n, (\sum_{k=1}^n a_k)^2 \ge \frac{n-1}2 \sum_{k=1}^n a_k^2.$ I think the following result might be useful, bu...

01:48
2
Q: What is this black residue remaining on damper body of rear shock after rides?

Jacob BAbout a month ago, I bought a used 2009 Stumpjumper FSR similar to this. It was not used heavily and remains in great condition. Recently however, after medium to long rides, a black residue is left on the damper body of the rear shock, (A Specialized AFR Brain Shock 7.25x1.75"). If I try to re...

7
Q: What does integer-class type mean in C++ since integer is a built in type

RickWhile reading through the documentation of std::numeric_limits i came across the following statement: Specializations for all integer-class types are also provided. (since C++20) My question is that what do we mean by integer class types in the above statement. I mean i know that int is a built...

02:14
1
Q: Is it safe to upgrade to 64-bit OS?

NeilHere's a little background of what I've been through: I'm starting to learn to program by following theodinproject.com curricula. I'm currently stuck at the OS Installation section of the said course as a 64-bit hardware is needed to download VirtualBox and Xubuntu. As I'm searching for the answe...

02:29
2
Q: Baking of Cartoon Eye

Геннадий ГорбачI'm trying to create a cartoon eye according to the video tutorial "[2.91] Blender Tutorial: Create Animated Eyes, Beginner Tutorial". The author uses a standard cube, but I took a standard UV sphere. In this regard, two questions arose. How to move the pupil and iris to the pole of the sphere i...

CS
CS
02:46
3
Q: Is there symbolism between Jesus rising on the first day (Matt. 28:1) and God creating light on the first day (Gen. 1:3)?

Perry WebbIs there symbolism between Jesus rising on the first day (Matt. 28:1) and God creating light on the first day (Gen. 1:3)? The seventh day, the Sabbath, was when God rested. Christians changed the day of worship to Sunday, the first day, when Jesus rose from the dead. Does this have a related s...

GIS
GIS
1
Q: Generating high resolution MBTiles in QGIS

Łukasz StempekIs it option to generate MBTiles file in high resolution (512x512 / 192DPI) in QGIS? Generate XYZ tiles (Directory) tool allows to create high resolution tiles, but in Generate XYZ tiles (MBTiles) tool there are no tile width and height parameters so I cannot create 512x512 tiles. If no, is it an...

03:16
2
Q: Why would a country have both a monarch and a president?

mammifereviolet4694In a Web-miniseries I want to create, Les Superbes Germains Lacasse (I want that the original title to be in French) (the title means The Super Lacasse Siblings), there is a strange country that can be called a quadrumvirate, and that is both a diarchy a republic: there are four Heads of State th...

2
Q: What's the difference between "≡" and ":="?

Emile CouzinWhen I write: $$d\zeta \equiv \omega dt$$ And: $$d\zeta := \omega dt$$ Is there any difference between the two expressions ? Are they both correct ? What's in general the difference between $\equiv$ and $:=$ ? Seems to me that both of them mean "is defined by", even though I saw $\equiv$ more oft...

03:32
1
Q: Comment character for ~/.byobu/windows.tmux file

rjtInserted the # hashmark character at the beginning of a line in ~/.byobu/windows.tmux. Attempting to launch byobu results in error and it not launching at all. user@machine ~ $ byobu unknown command: #new-window user@machine ~ $ Found this seven year old unanswered question on unix.stackexcha...

3
Q: How did Moses remember the instructions for the tabernacle and priestly vestments?

AMAObviously God gave very detailed instructions to Moses about how to build the tabernacle and the garments of the priests. How did Moses remember all of these details? Did he write them down like after his first descent from the mountain in Exodus 24:4?

2
Q: Finding "growth" rate of a sum

ultrainstinctQuestion Let $n$ be a positive integer. The sum in question is: $$S_n=\sum_{i=1}^{ n}\frac{1}{2^i}\bigg(1-\frac{1}{2^{i}}\bigg)^{n}.$$ Clearly this sum is convergent, and it seems like the sum goes to $0$ as $n$ goes to infinity. Testing for $n<2000$ it seems like $S_n$ "grows" (decays) like $1/n...

CS
CS
04:01
2
Q: Differences between DFS based cycle detection algorithms

LLDI have seen several variants of DFS algorithms used to check existence of cycles in graphs. They all have the same structure : do a DFS in the graph. There is a cycle in the graph if and only if there exists a node which, while being treated, has a neighbour which has property P. The variants are...

5
Q: Finding a tighter bound given sum and sum of squares

JosephLet $x_1, ..., x_{25}>0$ be such that $\sum_{i=1}^{25}{x_i} = 4350$ and $\sum_{i=1}^{25}{x_i^2} = 757770.25$. From the first equality alone, we know that at least one of the $x_i$'s must be less than or equal to $\frac{4350}{25}=174$. From the second equality alone, we know that at least one of t...

4
Q: History of physical fitness in the world championships

Brian TowersWho can forget this picture from Kortchnoi's preparation for his 1981 match against Karpov? More on Kortchnoi's physical preparation for the match in Merano in this 1986 documentary made by English IM William Hartson from about 22:40 here. I thought that the first world champion contender to tra...

3
Q: What is the criteria of inclusion in the Big Jubilee Read that caused the Lord of the Rings book not to be included?

GratefulDiscipleThe Times reported that the BBC (or is it the Reading Agency?) decided not to include the Lord of the Rings (and Harry Potter) in the final list of 70 book titles in the Big Jubilee Read to mark Her Majesty Queen Elizabeth II's Platinum Jubilee. The Lord of the Rings was in the shortlist of 153 ...

04:26
2
Q: Understanding the nuances between the various words related to manners and etiquette

MegaZeroXThere are quite a few words related to this. Specifically, 礼儀, エチケット, マナー, 作法, and 行儀. There is a GOO thesaurus page for this, but it is confusing me. The definitions, as I understand them, seem to indicate that マナー and 作法 relate to customs like table manners and such, while 礼儀 and エチケット are rela...

CS
CS
2
Q: How is spooky action at a distance measured?

DavidMy recent background reading: https://www.science.org/content/article/more-evidence-support-quantum-theory-s-spooky-action-distance I have been trying to understand how experiments actually measure the state of both entangled electrons. The way it is typically explained is that one measures the f...

1
Q: Why is it so difficult to prove NP!=P?

profPlumI'm just curious because I saw on Wikipedia a single polynomial time solution to any NP-hard problem would imply there are polynomial time solutions for every single NP-hard problem. Also I assume there are a lot of NP-hard problems... So does that mean no one has ever been able to prove for any ...

04:49
3
Q: How to delete duplicates with Abs?

hanaI have this list with some duplicate elements and I want to delete duplicate ones. mylist = {ConditionalExpression[1, -1 <= x <= 0], ConditionalExpression[-x, x <= -1], ConditionalExpression[-x, x <= -1], ConditionalExpression[Abs[x], x <= -1]}; Now I tried to delete duplicate elemem...

DIY
DIY
1
Q: 4-way switch circuit with Leviton smart dimmers

bbgbbgbbgNow that I've spent two consecutive days mapping out the 4-way circuit to add smart dimmers, I may have a layout that isn't compatible. I'm using Leviton D26HD as the main dimmer and two DD00R companions as the extra two dimmers. Am I correct that the 4-way in the middle is replaced by a companio...

05:25
2
Q: Counterintuitive result of switching "there exists exactly one"

user13964566I've learned that $\forall x \forall y \phi$ is equivalent to $\forall y \forall x \phi$, and the same is true for $\exists x \exists y$. However $\exists !x \exists !y$ is not equivalent to $\exists !y \exists !x$. I do not see how this makes sense intuitively. Additionally, I've been evaluatin...

RPG
RPG
7
Q: Being as careful as we ought to be takes too long and is boring, what can we do differently?

JackAs a party we tend to make poor tactical decisions. One time we didn't set a watch in what should have been obvious as a dangerous situation and we went from asleep to teleporting out barely alive in 5 rounds. Another time we entered a village that we should have been suspicious of and 3 rounds l...

3
Q: What is the reason for having or restricting file owner's permissions?

paperskilltreesAs discussed in Understanding UNIX permissions and file types, each file has permission settings ("file mode") for: the owner / user ("u"), the owner's group ("g"), and everyone else ("o"). As far as I understand, the owner of a file can always change the file's permissions using chmod. So can ...

05:42
2
Q: What does Restore Backup do?

StevoisiakIn the options menu of Vampire Survivors, what does the Restore Backup button do?

TeX
TeX
1
Q: How to color individual paths differently in CircuiTikz?

Baffo rastaI've produced the following code: \documentclass{article} \usepackage[utf8]{inputenc} \usepackage{circuitikz} \begin{document} \maketitle \begin{circuitikz} \draw (2,2) node[nand port, fill=green] (NANDMIDA) {} (2,0) node[nand port] (NANDMIDB) {} ...

GIS
GIS
1
Q: Point feature class to multiple polygons

Scott MartinIn my job I am currently getting excel files with multiple polygon features in point format. Converting this to points, and then to a line feature class works absolutely fine when using the ID as the joining field. However some of the files im recieving contain hundreds of polygons in 1 deck. whe...

05:58
2
Q: What does the Hungarian burn victim shout at Jack Baer?

TomThere is an early scene in The Usual Suspects (@ 20m40s) where FBI agent Jack Baer visits a burn victim in the hospital. The victim starts talking in "not English" (we later learn it is Magyar), getting more worked-up as he goes. Near the end of the scene, he shouts something like: Latima Keyser...

DIY
DIY
06:13
1
Q: What is the device attached to my recessed light junction box?

jay613This is a recessed light I pulled out of my ceiling. There is a black cylindrical thing attached to the junction box and wired in series with the live wire to the bulb base. What is it? The junction box and the black thing are both an integral part of the light fixture, ie they came with it. Th...

 
1 hour later…
07:34
1
Q: How do programmers take advantage of programming languages to make graphics?

LeninI was wondering for a pretty long time about graphics in all programming languages(no code available). Back in the rise of programming languages, such as C, Assembly, C++, and others, they had no graphics library (Assembly used raycaster, but still can fall under 3d graphics or at least the illus...

2
Q: How do I install a quill stem extender?

SarahI don’t understand how to install a quill stem extender. Photo included. I have my stem, the long screw and the wedge. The stem extender on the right has a stem, a long screw, and a wedge. The screws hold the wedges on. I’m confused. I put the stem extender in. But do I leave the scree? Then how ...

08:19
4
Q: What chemicals would an atmosphere unbreathable by humans (yet allowing alien life to thrive) contain?

Glorpis(first question, hi!) At the moment, I am trying to bring a planet which contains an atmosphere that can barely be breathed by humans (14% oxygen to be precise), to life. This planet is abundant with lush ecosystems of (mainly) turquoise and blue flora and fauna, and orbits the Goldilocks zone of...

08:55
1
Q: Is there a word meaning "not popular enough"?

Kamil BizońWe have a word "underrated", which essentially means "not liked enough". I was wondering if there was a single word meaning "not popular enough". When searching online, the only word that came up was "unknown". As far as I can tell, it doesn't exactly mean what I want - even though it means that ...

09:12
4
Q: If a sequence converges, then if its quotient converges, then it converges to less than or equal to one

CantorI want to show the following. Let $a_n$ converge. If $\frac{a_{n+1}}{a_n}$ converges then $|\lim\frac{a_{n+1}}{a_n}|\leq 1$. I attach my proof below, but I would be happy to see if there is a more elegant and simple one. I would think one could use the following theorem, but I do not know how: ...

09:47
2
Q: What are these parts of the frame called?

pateksanIntro I am drafting a question about a frame problem, but I'm struggling with terminology. It seems "appropriate for stack-exchange" to start by asking about the terminology first. Main questions What is the name of the part that connects the brake pivot to the frame? And what are the sub-parts o...

10:18
1
Q: How do you get into Sans's secret room?

ChocolateCharaI heard and know about Sans's secret room in Undertale which you can access by doing something relating to a neutral route. However I've done a neutral, pacifist, genocide, and true pacifist route and still got nothing relating to the room. How exactly do you get the key to enter it from Sans?

2
Q: Listening to Your Computer - Infering Software Use via Acoustic and Electronic Noise

Englishman BobIs it possible to deduce the software being run and its uses by listening to the magnetic, electromagnetic, and acoustic signals released by its operation? Computers generate minute acoustic noise, variations in magnetic fields, and electromagnetic waves during operation. Typically much of this ...

10:40
7
Q: Convert J brackets back to 2-D list

SteffanLet's say we have a 2-D list, like the following one: \$ \begin{bmatrix} \color{red}{1} & \color{red}{2} & \color{red}{3} & \color{red}{4} \\ \color{blue}{5} & \color{blue}{6} & \color{blue}{7} & \color{red}{8} \\ \color{green}{9} & \color{green}{10} & \color{blue}{11} & \color{red}{12} \end{bmat...

2
Q: Making font of Labeled function match that of Plot?

mathbioguyI have the following code: Plot1 = Plot[Exp[-0.03*t], {t, 0, 300}, AxesLabel -> {None, "testing1"}]; Labeled[Plot1, "testing"] I am trying to figure out how to make the font associated with the Labeled function match that of the Plot function. Does anyone know what font the Plot functio...

6
Q: Array of object into a nested object for every value in the array

matievaTrying to turn an array of objects into a nested object. Is there a good method for this? and how do I make it depending on the array length? Working but is not universal: https://codesandbox.io/s/thirsty-roentgen-3mdcjv?file=/src/App.js What I have: sorting: [ { "id": "HighestDegree", "

CS
CS
11:09
2
Q: How can an observer observe the metric of spacetime?

Rain DeerI don't mean how can we measure the metric in practice. I only mean in principle. Suppose you are an omnipresent being, no experimental limitations. What measurements do you need to measure the metric at a point? Also, you can deduce the metric from the Energy Momentum Tensor, sure. I don't want ...

2
Q: Can a spin-flip TD-DFT singlet ground state wavefunction be written as a sum over MOs with occupancy information?

srkUsing collinear spin-flip(SF) TD-DFT with the Tamm-Dancoff approximation, BHanHLYP and a simple test molecule (ethene, with a singlet ground state). It's my understanding, using ethene as an example, that spin-flip DFT starts with a unrestricted Kohn-Sham single-reference triplet reference state,...

12:08
2
Q: Understanding a theorem on the canonical form of a vector field

duelspace Theorem: Let $X$ be a manifold, $x \in X$ and let V be a vector field s.t. $V(x) \ne 0$. Then there exists a chart $(U,f)$ on $X$ such that $x \in U$ and for all $y \in U$, we have $\Delta_f (V(y)) = \frac{\partial}{\partial x_1}|_{f(y)}$ My question is: what on earth does $\frac{\partial}{\pa...

12:28
2
Q: Somwhat regretting my decision about which graduate program to attend. Could I contact a program I rejected and see if they still have a spot for me?

M. SperlingI've posted a few questions here in the past couple of days regarding grad school decisions; apologies for asking so many! It's a big decision and I want to do it right, but I don't want to bombard this forum with too many nitpicky questions. This should be the last one! The previous two are here...

12:38
2
Q: Monster movie where the creature removes its victims from history

Monster Movie CollectorThe monster first attacks a couple that are parked in a construction site. There is an older guy who has been hunting this thing for years. Every time the creature kills someone they are erased from history as if they never existed. This monster appears every 3-4 years. The main couple rent every...

12:58
2
Q: Switching the sum and integral

DqrksunSo I was calculating $\psi\left(\frac{1}{3}\right)$, I started with $$\psi(s+1)=-\gamma+\sum_{n=1}^{\infty}\frac{1}{n}-\frac{1}{n+s}$$ putting $s=-\frac{2}{3}$ and do a variable shift, $$\psi\left(\frac{1}{3}\right)=-\gamma+\sum_{n=0}^{\infty}\frac{1}{n+1}-\frac{3}{3n+1}$$ $$=-\gamma+\sum_{n=0}^{...

13:09
2
Q: How does VGA work with resolutions higher than the maximum resolution?

NOT_A_ROBOTA quick Google search reveals that the maximum resolution for VGA is 640x480. However, I'm currently using VGA at a resolution of 1366x768 and it's working fine. How does this not malfunction?

13:27
1
Q: A specific integration with Grassmann variables

251I have recently read (for example, here) that this relation below is true $$ \int dz \: e^{\frac{1}{2} \sum_{ij} z_i A_{ij} z_j} = Pf(\mathbf{A}), $$ where $Pf(\mathbf{A})$ is the Pfaffian of an even dimensional skew-(or anti-)symmetric matrix $\mathbf{A}$ and $\{ z_i \}$ are Grassmann variables...

13:49
1
Q: Spaces between edges and loopcut

Vincent Thamrin Wanted to make the right loopcut have the same spaces between the edges and the loopcut just like the left one. how do you have the absolute spaces cuz i want to make a table and 2 of em have to have the same spaces or it would look weird. my question is how to make the same spaces like the left...

8
Q: When and why was the question mark chosen to abbreviate PRINT?

PsychonautIn many dialects of BASIC, the PRINT statement can be abbreviated with a single question mark when entering programs or direct-mode commands. So instead of typing PRINT "HELLO, WORLD" you can save a few characters by typing ? "HELLO, WORLD". I have two related questions: When and where did this...

14:14
2
Q: Parametric coordinates of parabola, ellipse

ProblemDestroyerWe know that in parabola, ellipse parametric coordinates is given by $(at^2 , 2at)$ and $(a \cos \theta,b \sin \theta)$ respectively, my query is while deriving it when we put $at^2$ into the normal parabola form of $y^2 = 4ax$ we would get $y^2 = 4a^2 t^2$, how we give a reason to reject the neg...

1
Q: What kind of stress is this?

rongheI found the word "ice-free" is pronounced /ˈˌaɪsˈˌfri/ in Oxford English Dictionary, but what kind of stress is this? Should it be called 'there are two primary stresses and two secondary stresses?' Thank you in advance! :)

1
Q: Is this how you calculate how much you can deduct from itemized deduction for mortgage interest and property tax?

J KSay you have a following case. Married, filing jointly Home value: 1,000,000 Down payment: 250,000 Debt: 750,000 4%, 30 year loan Property tax: 8000 / year Using https://www.mortgagecalculator.org/, I got 22,369 for year 1 of interest payment (~29000 for year 2 and onwards). Does this mean I c...

1
Q: How to know the data type of constant in arduino IDE?

Muhammad Ikhwan PerwiraFor example constant of MSBFIRST, It used to as input in SPI.setBitOrder(MSBFIRST). But sadly i don't know the type data of MSBFIRST. This is applied to like SPI_MODE0 and other.

14:30
3
Q: Usage of 「書かない」referring to famous authors

TennoujiIn Yorushika's song "Hitchcock"'s lyrics appears the sentence: ニーチェもフロイトもこの穴の埋め方は書かないんだ Which is translated as "Neither Nietche nor Freud wrote about how to fill this hole" by some dude on youtube, which logically makes sense, but doesn't based on my understanding of the Nai form. Were I to be ...

14:59
6
Q: How to use Inverse Binding Adapter in Kotlin for converting Lowercase text to Uppercase?

JayShahI am creating an android application where I want to use a feature in which a text that we have entered into an editText field can be converted into uppercase at runtime in that particular editText field only. I have tried with this code editText.addTextChangedListener(object : TextWatcher { ov...

RPG
RPG
3
Q: Can a Soulknife use their Psychic Blades for an Opportunity Attack?

keithcurtisThe Psychic Blade ability says: Whenever you take the Attack action, you can manifest a psychic blade from your free hand and make the Attack with that blade. and The blade vanishes immediately after it hits or misses its target... Opportunity Attack says: You can make an opportunity Attack ...

15:24
6
Q: What does std::filesystem::is_regular_file(path) mean on Windows?

AmitAbout std::filesystem::is_regular_file(path), cppreference.com says: Checks if the given file status or path corresponds to a regular file […] Equivalent to s.type() == file_type::regular. For example, in the Linux kernel, file types are declared in the header file sys/stat.h. The type name and...

2
Q: Finding the joint distribution of exponential random variable divide their sum

Ho-OhSuppose $T_1, T_2, . . . , T_n$ is a sequence of independent, identically distributed random variables with the exponential distribution of the density function $$p(x)=\begin{cases}e^{-x},~~x\ge0;\\0,~~~~x<0.\end{cases}$$ Let $S_n = T_1 + T_2 + · · · + T_n$. Find the distribution of the random ve...

4
Q: Frobenius number for three set of numbers

GanitI came across the below problem In the olden days, there were only $4$ paise, $7$ paisa, and $11$ paisa coins. What is the maximum amount you can't exactly pay using just the three sets of coins? I recognized that this is somewhat related to the Frobenius number for three sets of numbers but a...

2
Q: Disappearing Cursor

Jason HunterThis is a problem I have when using GUI Emacs. I don't have this problem with terminal Emacs. After starting it, I don't see any cursor. I've put this at the bottom of my .emacs file (setq-default cursor-type '(box . 4)) (set-cursor-color "#FF0000") , but I still have to evaluate that after I st...

3
Q: How do i make my character hold his face and stay that way even when the rig move?

DS177how do i make my character hold his face, like covering his eyes, and always cover his eyes even when the character move, like covering an injury.(see example picture) i've tried child constraining the rig to the mesh, but it doesnt work, my character seems to be moving like he just done some par...

15:40
1
Q: How to extract all Chrome data files from an unbootable Windows 7 hard disk drive?

ubnewbI have an unbootable Windows 7 hard drive. I have access to all of the files on it. I want to extract the Chrome cookies, history and bookmarks and apply them to Chrome on Windows 10.

15:56
1
Q: ORCA: meaning of numbers in ORCA.out of MOLECULAR ORBITALS for STO-3G Lithium

SergioFor Lithium STO-3G basis set BASIS "ao basis" PRINT #BASIS SET: (6s,3p) -> [2s,1p] Li S 0.1611957475E+02 0.1543289673E+00 0.2936200663E+01 0.5353281423E+00 0.7946504870E+00 0.4446345422E+00 Li SP 0.6362897469E+00 -0.9996722919E-01 0.15591...

16:09
3
Q: Calculate n-order determinant

lotus2019Calculate n-order determinant (n>=2): $\left|\begin{array}{ccccc}x_{1}-a_{1} & x_{2} & x_{3} & \cdots & x_{n} \\ x_{1} & x_{2}-a_{2} & x_{3} & \cdots & x_{n} \\ x_{1} & x_{2} & x_{3}-a_{3} & \cdots & x_{n} \\ \vdots & \vdots & \vdots & & \vdots \\ x_{1} & x_{2} & x_{3} & \cdots & x_{n}-a_{n}\end{...

TeX
TeX
3
Q: Why is gnuplot using a straight-line approximation in this plot?

AureliusI am plotting a fairly simple function over a specific range. The function is just f(x) = 0.12 * sqrt(x). Here's my gnuplot "code" so far: set border linewidth 1.5 set style line 1 linecolor rgb '#0060ad' linetype 1 linewidth 2 set xrange [0:12000] set yrange [0:13] set xlabel 'Hours' offset 0,0...

2
Q: I can't edit a Text object in Blender

Pineapple I have both tabbed into edit mode (with nothing else selected) and used the dropdown menu. why won't it let me edit the text?

16:33
2
Q: Why are APT not figured but suspensions are?

armaniIf 4-3 happens as a suspension and it is figured then why not also figure an accented passing tone 4-3?

1
Q: Why does St Peter use the phraseology " killed by hanging on a tree " while referring to the crucifixion of Jesus?

Kadalikatt Joseph SibichanWe read in Acts 5:29-30 : But Peter and the apostles answered, “We must obey God rather than any human authority. The God of our ancestors raised up Jesus, whom you had killed by hanging him on a tree. One is intrigued by the description of hanged on the tree' used in place of crucified' by St ...

2
Q: What are the disadvantages of accuracy?

PicaRI have been reading about evaluating a model with accuracy only and I have found some disadvantages. Among them, I read that it equates all errors. How could this problem be solved? Maybe assigning costs to each type of failure? Thank you very much for your help.

RPG
RPG
5
Q: Can you "avert your eyes" away from any creature to avoid looking at it?

Guillaume F.Many monsters have sight-based abilities that explicitly allow you to avoid the effect by averting your eyes: Basilisk's Petrifying Gaze: A creature that isn't surprised can avert its eyes to avoid the saving throw at the start of its turn. If it does so, it can't see the basilisk until the star...

16:59
3
Q: Numerical_integration

IvinI have this integrand Clear[IntegrandEq10]; IntegrandEq10[x_,x0_] := (x*Sqrt[((x/x0)^2)*(1 - (1/x0)) - (1 - (1/x))])^(-1) and I need to solve it numerically. I tried to solve it as follows alphanumerical[x0_] := 2*NIntegrate[IntegrandEq10[x, x0], {x, x0, \[Infinity]}, Method -> {"TrapezoidalRule"...

ELL
ELL
2
Q: The use of " Thank you very much in a very unusual place, i am hopeful i will get the answer

Ebdullah KhanI have started reading Harry Potter and the philosopher stone, I was way to excited for my first English ever book reading. But after started reading it I got stuck and can't go onward...... The question is the put " Thank you very much" In a very unwanted place.. Mr and Mrs Dursley, of number fo...

17:23
4
Q: Understanding output of command: date -d "12:24 <lower-case-alphabet>"

c10Can someone please help me understand why adding any lower-case-alphabet (a-z) as below makes a difference in date -d output and what do these letters in that command mean? wip$ date -d "12:24 a" Mon Apr 18 18:54:00 IST 2022 wip$ date -d "12:24 b" Mon Apr 18 19:54:00 IST 2022 wip$ date -d "12:24 c"...

2
Q: How arduino PORTB pins are addressed if I want to access them with pointer?

user786So Let say I want to access Digital Pin 13. Thats port B pin. Is there an memory address associated with this pin 13 of Arduino Uno r3? How Port B pins are addressed with corresponding pin numbers like What is the address of digital pin 13? Currently I am assuming its pin address is 0x05 so my po...

TeX
TeX
1
Q: problem in writing equation with one bigg bracket

user12i am writing the code for this equation I tried this code \begin{equation} \left\{ \hat{y}_{i}^{k} = 0 if {S}_{i}^{k} < \tau \right\} \left\{ \hat{y}_{i}^{k} = 1 if {S}_{i}^{k} > \tau \right\} \end{equation} I am unable to shift second line "\hat{y}{i}^{k} = 1 if {S}{i}^{k} > \tau

2
Q: Availability of DSB Orange Fri tickets in August

Joce NoToPutinsWarInUkraineI'm currently planning a family train trip in Sweden and Denmark for next August. I see that there's a 50% discount if I can travel with "Orange Fri" tickets within Denmark: e.g., return trip to Helsingør is about 105 euros with standard ticket, vs 59 with Orange Fri. Are Orange Fri tickets like...

17:50
2
Q: Why is Sgr A* moving so much?

usernumberThis answer mentions that the supermassive black hole at the center of our galaxy is constantly moving. Sagittarius A Star is 1000 times faster and smaller. Its like a toddler who is moving constantly. In comparison, M87 is much slower, like a big bear What causes Sgr A* to move?

18:15
3
Q: Why do some supermassive black holes have a * in their name?

usernumberSgr A*, M87*,... Several supermassive black holes (SMBHs) at the center of galaxies have a star (*) in their name. But many others do not. Is there a physical difference between the SMBHs that are denoted by a star and those that are not?

1
Q: How to focus on PhD

SuliIn my third year of PhD but I started to lose focus. I now focus on other stuff such as learning to code and watching video tutorials on other stuff not related to my PhD. How can I focus on PhD and leave those?

1
Q: Easy way to add multiple flower petals on this mesh?

MurthSo I was following this tutorial on youtube: https://www.youtube.com/watch?v=KGLK1j9lE9Y I noticed he used the array modifier to make the petals wrap around the center and I was wondering if this was possible but with my mesh: I could just individually align the petals but I just want to know i...

18:30
2
Q: ignore whitespace at the beginning of a search pattern

Paul MaxfieldThis sed expression works, but is there a better way to represent the white space in both the search pattern and replace string? BRANCHTAG=7.17.9-main-5ee3e99d5ff002862d93728d821461033de1186d PRIOR_VERSION=7.17.4 clear; sed "s/^ newTag: ${PRIOR_VERSION}.*$/ newTag: ${BRANCHTAG}/" kustomizat...

18:57
2
Q: Error in seaborn plot " Horizontal orientation requires numeric `x` variable"

MeghaI am trying to plot a box plot with seaborn with the following code plot = sns.boxplot( y='Min PPI distance', x='Synergy_percent', color='white', orient="h", data=synergy_df ) plot.set( xlabel='Synergy (%)', ylabel='Min. distance', ); The data synergy_df looks like ...

19:27
1
Q: Method does not exist or incorrect signature: void valueOf(Object) from the type Decimal

AveshI am getting errors when storing my aggregate result value in the currency field. I have tried to look into a similar error but not getting anything. Below is the logic which I am trying to implement. Logic: I have written one trigger on the After Update Event that whenever Parent Object is marke...

5
Q: How low gravity of dusts in early solar system age could make hard stones?

Mehdi AbbassiI wonder how very low gravity of dusts could make them bind together and make hard and dense stones that later on will merge together and make some of the planets? I read some meteorites as hard as a hard stone are remnants of the early phase of solar system's formation. If this is the case, it s...

3
Q: Is it possible to calculate median value and interquatile range for a set of numbers containing a range or inequalities?

AdamI am trying to make simple median and IQR calculations that involve numbers (in percentages) appearing in a range and inequalities in addition to whole numbers. My sample dataset looks like this: 5, 10, < 1, 10 - 20, 25, > 90 Any suggestions on how I can perform these two calculations on such a ...

TeX
TeX
1
Q: Is there a way to make equations aligned in a table with 'tabularray' package?

Y. zengI use tabularray package to make tables as it is very convenient. But now I find now way to make formulas in a table to align at the = sign. For example The formulas in this table have been adjusted to several lines. But they are not aligned at the = sign. Is there a way to make them align at th...

DSP
DSP
19:44
2
Q: Proving Fourier transform pair with derivatives using duality

chuchvaraI want to use duality to prove the Fourier transform pair $t^nx(t) \overset{\mathscr{F}}{\longleftrightarrow} j^n\frac{d^nX(\omega)}{d\omega^n}$ but I am struggling. I learned that if $x(t) \overset{\mathscr{F}}{\leftrightarrow} X(\omega)$ then $X(t) \overset{\mathscr{F}}{\leftrightarrow} 2\pi x(...

1
Q: What is my LAN IP (ubuntu and missing eth0)?

u123Running 20.04 I am trying to figure out what my LAN IP is on my laptop. If I run ifconfig I get (trimmed down): $ ifconfig docker0: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500 inet 172.17.0.1 netmask 255.255.0.0 broadcast 172.17.255.255 ... enp0s31f6: flags=4099<UP,BROADCAST,M...

19:57
5
Q: Was ape tool use "well known and not the least bit controversial" in 1735?

user24096Before Jane Goodall's discoveries in the 1960s, it had been widely asserted/believed that Man was the only animal that made and used tools. However, Frans de Waal (2016) states that in 1735, Ape tool use was well known and not the least bit controversial Is the above statement true?

20:26
3
Q: How to say “for dummies” in Latin?

TuicheI want to make a parody of the famous “for dummies” in Latin. How could it be translated? I thought ad nulli to mirror the French version “pour les nuls” but I’m not sure it actually works.

TeX
TeX
1
Q: How to write an equation in two lines with a single equation number?

user12I am trying to write an equation in two lines sharing a single equation number, as shown in the figure. I tried this code, but it doesn't work in two columns format: \begin{equation} \begin{split} AdditionandMultiplication(a, b_i) & = \sin(p \omega \omega_{4_i}) \\ & AdditionandMultiplication(...

5
Q: How important is it to train glute medius?

JJ8000I seem to always have weak glutes, and have simply got into the routine of doing exercises like banded clamshells and donkey kicks a couple times per week. If I don't stick to doing them, I then run into problems when squatting, jogging etc. I've had a number of physio appointments in the past ab...

1
Q: Metal L shaped coolant line leaking

CalebatWaterwashHey guys I have an 06 Buick LaCrosse with 145,000 miles. Yesterday after driving my girlfriend to work and sitting in the parking lot for a second my car started overheating like crazy and steam came from the hood. Sure enough it’s a coolant leak. I always suspected there might have been some sor...

20:46
2
Q: Define a new rule for multiplication

skipiI am trying to implement a new rule for noncommutative multiplication: $$ x * q^n * y \to q^n * x * y, $$ where $\ast$ stands for noncommutative multiplication and x and y are random products in variables a, b, c and q. Few examples: $$ a * b^2 * c^2 * q * a \to q * a * b^2 * c^2 * a \\ q^2 * a *...

ELL
ELL
2
Q: what is meant to say by "latte-shaming."

Lynera pintchoIn this headline: "Millennial women are turning to influencers for financial advice, free of latte-shaming." I can't figure out what is latte-shaming. Would that be shame of taking advice from someone younger??

21:07
1
Q: Dative case of Kunde

SuleymanSahI see in dictionary, that the Dative case of the singular word der Kunde is dem Kunden. Why is there an n in the singular dative case? I would expect dem Kunde, is there some kind of exception here? If so, is there some info about this exception?

21:55
1
Q: Placement of a decoupling capacitor

HFOrangefishI am using the CD4046, and trying to put a decoupling capacitor on it. However, the power pin is on the literal opposite side of the power pin, like so. As you can see, I have a decoupling capacitor, that is meant to connect the ground pin (VSS, pin 8) with the power pin (VDD, pin 16). I was won...

2
Q: My tax return was approved, when does the IRS credit my account?

Evan CarrollI just recently filed on TurboTax. This is the only time I've had to pay the IRS anything beyond what they normally take in withholding. I know normally when they "withhold" more than they're supposed to, they take their sweet time getting a rebate into my bank account. My tax return was approved...

2
Q: How to make Caps Lock key act as Super key?

XpectorGiven: all default 20.04.4 LTS; IBM Modell 300 keyboard, which has no Super (Windows) key. How can I let Caps Lock key behave as Super key? I tried running xmodmap -e "keycode 66 = Super_L NoSymbol Super_L" in a terminal window. An individual press of Caps Lock does what Super did. However, Caps ...

1
Q: Is it possible to identify a worm being carried by a depicted wasp?

trejderWikimedia has a picture of a Ancistrocerus trifasciatus / mason wasp carrying a kind of worm: Is it possible to tell what exactly kind of worm it is, based only on the above image, number of worm's segments, dots on its skin and a correlation in size to wasp's size (or its feeding preferences)? ...

TeX
TeX
3
Q: What is the function \usepackage[utf8]{inputenc} used for and why we should add this in latex document?

user268629As I'm new to LaTeX and learning it, I often came across \usepackage[utf8]{inputenc} and would like to know what this command does and why we should use this?

22:21
1
Q: AmE feature related to American multiculturalism?

AlexI speak with a (General) American accent. Native non-American English speakers sometimes tell me that "you pronounce every single syllable in every word." I've also stumbled upon very similar comments on AmE on the internet too often for this to be an idiosyncracy of mine. This got me thinking: c...

22:38
2
Q: Different solution for dy/dx ?!?!

hAl0o0When I searched for the value of $\frac{dy}{dx}$ for the equation $y^2 = -\frac{1}{x^2}$, I found the answer given as $\frac{dy}{dx} = \frac{1}{x^3 y}$. However, searching for the value of $\frac{dy}{dx}$ for the equation $x^2 y^2 = -1$ instead gave $\frac{dy}{dx} = -\frac{y}{x}$. I have just sta...

2
Q: Proof of Hoeffding lemma

darkmoorI am reading a proof about Hoeffding's lemma Let $Y$ be a random variable with $E[Y]=0$, taking values in the bounded interval $[a, b]$ and let $\psi_Y(t) = \log E[e^{tY}]$. Then $\psi_Y''(t) \leq (b-a)^2/4$. At some point of the proof it is stated: Now, let $P$ denote the distribution of $Y$...

3
Q: Reference request: Relativizing a formula with respect to a predicate in first order logic

PermutonI am looking for a reference to the following, I searched far and wide but perhaps I am using the wrong terminology or something. Let $\tau$ be a relational vocabulary. For $\mathfrak{A}$ a structure in $\operatorname{Struct}(\tau)$, $P(x,y)$ a predicate and $y$ in the domain of $\mathfrak{A}$, l...

4
Q: Who is the acting Minister of Defence of Russia?

DžurisThe Russian Minister of Defence Sergei Shoigu has apparently had some health mishaps and hasn't been able to work for a month or more by now. In my country at the beginning of any absences of ministers there's a short ruling announced that such and such (usually another minister) is taking on the...

23:16
8
Q: Convert angle to clock time

YousernameYour task is to make a program or function that takes a nonnegative integer (or a different convenient format to represent it) that represents an angle measure in degrees from 0 to 180 (inclusive) as input and outputs every possible time (in hours and minutes; no seconds) on an analog clock where...

2
Q: Is shunning/disfellowshipping biblical in Protestant churches?

MarioIs this practice supported by the Christian bible ? Please argument your response with biblical support. We have this practice in our Pentecostal church and no matter from which angle I view it, I cannot personally accept it as being a right thing to do. -- Update It's the situation when a a memb...

1
Q: How to understand the surplus triangle in the context of a price floor?

Latindude101In the context of the standard supply and demand diagram, is there any economic interpretation of a triangle showing the surplus/excess supply that results from a price floor set above the market equilibrium price? An example can be found in the light blue shaded triangle from the Wikipedia page ...

DIY
DIY
1
Q: Borescope or Endoscopic Camera Technique

jay613I have an endoscopic camera, a small camera on the end of a wire. I attach it to fish tape and push it into walls, pipes, etc to examine what's inside. I find that in floor and wall cavities the weight of the camera on the end of a flimsy wire means it always "droops", i.e., if it's in a floor/c...

1
Q: Renting bikes each place visited in Denmark or in 1 place and carry them, and how will they be equipped?

Joce NoToPutinsWarInUkraineWe are staying 7-10 days in and around Copenhagen in August. We plan to tour the city by bike (by ourselves) and take trains out for day/multiday bicycle trips in several places. My question is whether we should try to rent the bikes in Copenhagen and carry them with us in the train, or rent at t...

23:42
3
Q: How to plot a function, with color mapped to one of its parameter?

Kumar Gaurav SagarpF[x_,p_] = x+p; Plot[Evaluate[Table[pF[x,p],{p,0,5}]],{x,0,10}] I want to map p value to color each curve differently from the color set : ColorData["Rainbow"].

CS
CS
2
Q: What does the circle with the “X” and the cross mean?

mintlI am taking a look at a DSP block for a the Xilinx ZCU111 FPGA and I am getting held up on a simple question. I come from physics so I am not too used to looking at block diagrams yet, but what do the highlighted components in the block indicate within the fine mixer?

Law
Law
1
Q: Who controls campaign funds when a candidate dies?

bdb484John is a candidate for Congress. His campaign committee consists of himself and a treasurer (or perhaps only himself). Before the election, he suddenly dies. His campaign has raised but not spent $1 million. John's wife wants to spend that money supporting candidates she likes in other races. Jo...

ELL
ELL
1
Q: The flower is the rose./ The flower is roses./ The flowers are roses

Googleユーザー‎When you are looking at a drawing with roses and want to tell the person looking it together the kind of the flowers, what do you say? Are the following sentences correct? Which one is best? The flower is the rose. The flower is roses. The flowers are roses.

23:57
5
Q: Grade School Puzzle

capArithmetic 47 + 28 = ? 107 + 92 + 25 - 7 + 53 = ? 6 + 1 + 53 = ? 26 + 92 = ? 16 + 92 + 53 = ? 22 + 68 + 88 = ? 23 + 85 + 52 + 7 = ? 74 + 85 + 68 = ? Reading Ehad fo ocrn Eredantl estfor malmam Iekam isuoidolem isdnuos Esp noitseq Tovey brveick brveand Low un weucht; soirge of ullimunatuon F...

1
Q: Script to remove specific strings in file name

mike87I am trying to come up with a bash script to remove parts of a file name on CentOS. My file names are: 119903_Relinked_new_3075_FileNote_07_02_2009_JHughes_loaMeetingAndSupport_FN_205.doc 119904_relinked_new_2206_Support_Intensity_Scale_SYCH_SIS_264549.pdf 119905_relinked_new_3075_Consent_07_06_2...


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