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12:10 AM
2
Q: How much of the "Box Office" amount does the studio get?

colmdeQuite often when rating a film's success, the numbers often quoted are the budget of the film vs the amount earned at the Box Office. However, the money made at the Box Office is the total ticket sales, which of course includes the cinema's own cut as well as the costs of distribution, etc. So to...

 
12:28 AM
2
Q: Would this underground city be noticed by seismologists?

NosajimikiThe setting is current day Los Angeles... except for the goblin city that exists beneath it. It's chambers range from about about 500-2000ft underground and has a population of several thousand. A lot of what the goblins have comes from things they steal from humans at night: radios, power tool...

 
12:40 AM
1
Q: Login to Salesforce using jsForce when running Jest test

Testing SalesforceI'm trying to login using the jsForce package while running a node test. No matter what I do, it fails out with the error message of... Error: INVALID_LOGIN: Invalid username, password, security token; or user locked out. I do not have this problem when spinning up my whole project. It logs in fi...

 
1:10 AM
2
Q: Is it possible for someone living in a simulation to figure out they are in a simulation?

The_CIAI have thought up a plan for a book where the characters are living in a simulation that has terrible OS. They somehow find out they are in a simulation and save the world™. The world is otherwise identical to the Earth in 2020 (same tech, etc.) Everybody in the simulation has been living there f...

 
1:34 AM
2
Q: Move just one match

aminabzzMake a correct equation by just moving one matchstick! This is the source.

2
Q: Non Profit Granting Rights of Use of Software to For Profit

cobin123we have two organizations - one for profit and one non-profit, that are related. The Non-profit benefits from use of Slack, GSuite and other tools at a discount due to the non-profit nature of the organization. The for profit organization is donating resource time, office space to the non-profit....

3
Q: Identifying assumption meaning

user508281I am hoping to get a good explanation regarding what is meant by an identifying assumption. In many articles, under empirical strategy, authors state that: we exploit firm level variation to identify the effect we exploit industry level variation to identify the effect Examples: The paper exami...

 
1:58 AM
4
Q: How much should I rely on an external board or diagram when reading a chess book?

Discrete lizardI'm currently making my first serious attempt to read a chess book. While I can generally follow and evaluate variations mentally if I can at least see the starting position in some diagram, I struggle after the variations continue beyond the page and I can no longer see a diagram from which the ...

5
Q: What properties of a magic system would delay its discovery into the late first industrial revolution?

BeefsterI've noticed that most magic systems appear sometime between a civilization's Bronze age and Medieval period, sometimes as early as the stone age. What properties would a magic system need to have for its discovery to come much later in technological development? Specifically, around the time tha...

 
2:10 AM
2
Q: Is this Bracers of Stored Health magic item balanced?

Diamcreep ProductionsI was thinking about the similarities between a character I was making and one from the Mistborn series by Brandon Sanderson, when the idea to make a magic item that replicated the effects of one of the powers in that series, Gold Feruchemy, which allows the user to store their health in pieces o...

 
2:28 AM
8
Q: Print a Ternary Value

Daniel H.Put simply, you are to print out the following number: 02020201001100201221200121211001201210202021000121100020020101102112210120211120102000121120212201200222221022111211101102012200202020011112122100101002221001121012011221002221202010020020202000111100022110022021000222102120201120020200001202...

 
2:40 AM
3
Q: Replace nth line from the matched pattern

smcI have following text file. banana apple juice mango something I am searching for pattern juice, and I want to find the 2nd line from that matching pattern in reverse order (i.e 2 lines above the matching pattern) and replace it with coconut. Expected output: coconut apple juice mango something ...

 
3:10 AM
4
Q: Is there a Russian equivalent of "red flag"?

MitsukoIn English, the term red flag is used as a metaphor to mean a sign suggestive of a possible danger or problem: (1) Boyfriend not showing you his home is a huge red flag. (Link) (2) I've just spent the last 3 weeks being scammed by an alleged Timeshare owner of the Harborside Resort. ... I saw o...

3
Q: Definition of a presheaf on a topological space with values in an abelian category

Pouya LayeghiAs far as I know if $C$ be a category, then a presheaf on $C$ is simply a functor $F:C^{op}\longrightarrow Set$. Now, let $X$ be a topological space and let $O(X)$ be the set of opens of $X$. Now, if we look at $O(X)$ as a category, then, as far as I know a presheaf on X, is simply a presheaf on ...

 
3:28 AM
2
Q: Can clothes be enchanted to change their form?

Unstable ToadMy question is simple: Can an item(clothes, rings, anything really) be enchanted to change the form of the clothes a person is wearing into other clothes of their decision? I'm new to D&D and want to play a changeling, maybe not this campaign but sometime in the future. The changelings sound awes...

 
3:58 AM
4
Q: Using sequence to complete arguments to a function

ulviI have a function of, say 4 arguments f[a,b,{c,e},d] where some of the arguments are lists. Given a list of triplets that are possible last-three-arguments to f I'd like to paste them as arguments to f as in Map[f[2, # /. List -> Sequence] &, {{1, {2, -2}, 3}, {0, {2, -2}, 4}, {3, {5, -5}, 7}}] ...

 
4:28 AM
1
Q: Couldn't we create a string that produces the same hash as another string in sha-256?

BOILet's say we have a separate hashing algorithm called s2 and it would convert Hello into dug84nd8. If we could take the algorithm and just reverse engineer it to generate a string like 8GN492MD that would also output dug84nd8, wouldn't it say that (s2("Hello") = s2("8GN492MD")) == true), and let ...

 
4:40 AM
2
Q: Why does Blood Moon remove abilities?

DraconisAccording to the rulings on Gatherer, Blood Moon removes all abilities from nonbasic lands: a Forsaken Sanctuary will enter untapped, and will not tap for white or black. My question, though, is—why? The rules text says only that "nonbasic lands are Mountains", which seems like it sets subtypes, ...

1
Q: Why was conn held by low-ranking officers?

O. R. MapperIn some of the Star Trek series, most notably in TNG, the conn officer (the person steering the ship) was often a rather low-ranking crewmember. In particular, the list included total newbies (Wesley Crusher), crewmembers who would occasionally also do other things (Ro Laren), and an overall larg...

 
4:58 AM
1
Q: Is "ce" or "ces" (or both) correct in this context?

Tom AuThe English version is, "these are not my books." And I have always translated this as "Ces ne sont pas mes livres." But today, I was taking an online course that gave the construction as "Ce ne sont pas mes livres." This doesn't sound right, because there doesn't seem to be subject verb object a...

2
Q: Why can't I use my new pedal indoors?

MołotAs seen below, I got a paper slip telling me not to use my new pedals on indoor equipment. I don't want to anyway, but I wonder — if threads would fit, is there any real reasons not to do it? Probably there is, because they wouldn't limit their own market without a cause, but what reason is it? ...

 
5:28 AM
2
Q: How to run electrical wires in an exterior wall with a low-pitched roof?

JasonI am hoping to run electrical wires in my exterior walls, but I have a very low pitched roof which makes it tough to get to that part of the attic. To give some examples: One of my switches does not have a neutral wire, I'd like to run a 14/3 wire from the light to the switch to bring the neutra...

1
Q: Reason for dispute if chilazon has a melacha of trapping

robevThe gemarra Shabbos 75a seems to say that someone who traps a chilazon violated the melacha of trapping on Shabbos. Tosafos brings the Yerushalmi (7:2, 52a) that says that one doesn't violate the melacha of trapping on Shabbos if they trap a chilazon. In fact, the gemarra there brings a dispute a...

 
6:10 AM
2
Q: Why is this contract worded like a client is talking to himself?

GraficsI'm looking at a sample contract for a graphic designer who is planning on doing freelance work. I don't understand why it says that the Client should obtain all copyright permissions for materials included in the designs at their own request, like the client is talking asking himself to get copy...

 
6:46 AM
2
Q: Soft-question: How to structure undergraduate level private lessons?

AyushiI'm on a semester break and thankfully I was recently provided with an opportunity to hire any private teacher I like to learn even more math while on break. However, I don't really know how to approach it. What are we going to do? They'll start to explain material that I can read in the book? So...

 
6:58 AM
4
Q: League of Legends Summoner Analysis

drakebakincakeThis program will ask for user to insert summoner and base from the last 20 games of said summoner, it will give avg stats and see if good or not by wins in last 20 games(a simple grading system). import requests from getId import idcollect from games import GAME from wins import win_calc #Key f...

1
Q: Eidim Zommemin (first set) on Eidim Zommemin (second set)?

talmidforlifeEidim Zommemin are conspiring witnesses, which have a whole Perek of Gemara that talk about them: the first perek in Makkot. My question is: the first set says edut. The second one claims they are conspiring witnesses and with them on that date in a certain location. What happens if the first set...

 
7:28 AM
1
Q: FindExternalEvaluators['Python"] returns a blank box instead of the locations or python versions

Joshua BocanegraI'm using Mathematica 12.0 Student Edition and have python 3.7.6 instilled in anaconda and 3.7.8 installed via Microsoft Store. I have followed the reference instructions here but to no avail. The following is all that is displayed after opening Mathematica and attempting to locate python. Is th...

 
7:58 AM
1
Q: Is there a name for a poem with rhyme scheme ABABCB?

Micah WindsorI have just started writing a new poem, and I am thinking about rhyme schemes. The one that jumps out to me looking at the few lines I have already written is: ABABCB CDCDED... (in dactylic dimeter, if that matters). I would like to know if poems with this rhyme scheme have a name. I would also a...

 
8:40 AM
2
Q: Why is my output signal aliased when my sampling rate is decently above the Nyquist theorem?

PllszI'm really confused on what's happening here. I have my ADC sampling at 44.410kHz and any frequency above 11Khz it would alias the output signal. The max target frequency is 20kHz for clarification. What I have checked so far is: if the ADC is actually sampling at 44.410kHz. Checked & good. if t...

2
Q: New to canning, first attempt Peach Jam

Susan ReginaFirst time canning my ball wide mouth jar may have gone into the water bath with the lid depressed. Must it go in with the lid in a popped up position? Now cooled, it makes a thud sound when tapped with the side of a spoon, but the lid is stuck to the jar. Any opinions on if this is properly seal...

 
9:39 AM
1
Q: What's the difference between Country Born and Mulatto people in the 18th century New England?

Emerald BayI have a history assignment and it's asking me to provide context of the table already provided that contains "background characteristics of New England Runaways." To be specific, it states the following categories: African, Country born, Mulatto, Negro, and West Indies Along with percentages of ...

 
10:09 AM
3
Q: Roots of the Cubic equation

Prince KhanThe Cubic formula: $ax^3+bx^2+cx+d=0$ With under the following conditions: $a \neq 0 $ $a,b,c,d \in \Bbb{R} $ We can derive the following formula as a the root of $x$: $u= \sqrt[3] {{bc\over 6a^2}-{d\over 2a}-{b^3\over 27a^3}+\sqrt{({bc\over 6a^2}-{d\over 2a}-{b^3\over 27a^3})^2+({c\over 3a}-{...

 
10:27 AM
9
Q: How do I overcome an unsatisfactory background check?

Aimee I was terminated from my job back in October 2019 because in August of that same year I did a price match from a paper sign on the sales floor on 2 expensive items that went over the price allowed for that time, in other words, it caused a financial loss to the company. When I was called into ass...

 
10:57 AM
1
Q: Are Bitcoin addresses case sensitive?

Adam MitchellI sent 20$ to my wallet ex. bc1qa4dk0fqvw7jfpvzgy9xpf7572kv9env9y748ct But instead I sent it to that address in all Caps. I haven't received the money and its been 3 hours. Are BTC addresses cap sensitive. And what should I do

 
11:09 AM
3
Q: Create contours based on text attribute of point data(isogloss map)

Thomas de WildeI am trying to make an isogloss map in QGIS to map dialect diferences. I have made a point shapefile in which each point represents a place, and the different pronunciations are put in the attribute table. Obviously I have a massive amount of attributes. As it is not convenient to just constantly...

 
11:57 AM
1
Q: Do financial return series have a probability mass function (pmf)?

develaristStock returns, computed from stock prices as $r_t = \ln (p_{t}) - \ln (p_{t-1})$, are real-valued and unbounded giving the impression that they are continuous random variables. But aren't they actually discrete random variables given that: financial time series are finite in the number of histor...

 
 
1 hour later…
1:09 PM
2
Q: \color{} inserts blank line after environment!

RyoI use \begin{@empty}\color{red} . . . \end{@empty} to delimit colored text. But it inserts an extra blank line after \end{@empty} in the following situation: \documentclass{article} \usepackage{xcolor} \begin{document} \begin{@empty}\color{red}% Paragraph starts abcd abcd abcd abcd abcd abcd abcd...

 
1:27 PM
5
Q: John 2:4 Translation

Benjamin-GarciaI was wondering if anyone had some insight on the translation of John 2:4. The verse seems to be rendered in a variety of ways, usually either that Jesus says the lack of wine is of no concern to Him, or to both Him and Mary. All the greek texts I found seem to contain the same phrase "Τί ἐμοὶ κα...

1
Q: macOS and File Owner information

Dusan VasiljevicI'm trying to build a portable user and one of the ways I was thinking of doing is through a symlink in /Users that will point to external flash drive. If I have two machines and I make a user with a same username, are those users the same when it comes to encoding permissions and owner informati...

2
Q: Are there advantages to using a quad-treaded/split tracked system for a vehicle?

bluetAll real military ground vehicles use a continuous caterpillar track or tank tread, but quad-treads/split tracks are often seen in sci-fi, with their futuristic tanks and settings. (Halo scorpion, C&C mammoth etc) Is there an actual reason(s) or advantage(s) to using a quad-tread/split track? Or ...

 
1:39 PM
4
Q: Why say 少说两句 to break up a fight?

Becky 李蓓In the movie 北京遇上西雅图 (~25m45s), during an argument the protagonist calls another pregnant woman a 骚货 ("slut") and they start physically fighting. A third woman tries to break them up and says: 行了 行了 别别别 少说两句 少说两句 哎呀 肚子 肚子 孩子 I don't understand why she would say 少说两句 in particular, which means...

 
 
1 hour later…
2:39 PM
2
Q: Existence of multiple job monitor in qiskit

Somsurya NandaI can see in example code of qiskit, to implement job monitors on IBM Quantum machines, example uses any of the following from qiskit.tools.monitor import job_monitor from qiskit.providers.ibmq.job import job_monitor I have downloaded qiskit in my laptop and used both of them. Could not see any ...

 
2:57 PM
3
Q: A movie where thorns sting a woman's feet while trying to infiltrate some base

pigwidgeonso this was a movie I watched in the 2000's or early 2010's but it might be made before. It is not very new. And I don't remember much about it, only images pop into my head. I know the leading role is a woman (I think she had black hair). And this woman has some robot-like behaviors (I don't thi...

 
3:09 PM
2
Q: Question about Instants and Tactical Advantage

Ameet SharmaI'm new to Magic the Gathering. I have a question about Instants and Tactical Advantage: Target blocking or blocked creature you control gets +2/+2 until end of turn. Am I allowed to use 2 Tactical Advantages in a row on the same creature on the same turn, if I have enough mana? So I'd bring my...

2
Q: Again on smart cross-references using zref package

Igor KotelnikovWhile working on a multivolume book, I use a smart cross-referencing method as suggested at Smart cross-references between 2 volumes using Zref package. The \sref and \seqref commands described there add to the link, which are printed by the usual \ref and \eqref commands, the chapter number as ...

 
3:27 PM
1
Q: Why the number of Long Gamma Ray Bursts(LGRBs) is greater that number of Short Gamma Ray Bursts(SGRBs)?

sundar3492I collected https://www.google.com/url?sa=i&url=https%3A%2F%2Fgammaray.nsstc.nasa.gov%2Fbatse%2Fgrb%2Fduration%2F&psig=AOvVaw09lbpxsH2xmfnCCXQh4cKn&ust=1597302004094000&source=images&cd=vfe&ved=2ahUKEwil9tjli5XrAhVFl-YKHT7WAAsQr4kDegUIARCkAQ the histogram plotting of no. of GRBs vs the duration ...

 
3:39 PM
5
Q: Starting ingredients for perpetual pit of snakes

Arash HowaidaI want to ensure that my burial tomb is guarded by a pit of snakes for all the ages, similar to that featured in Indiana Jones (Raiders of the Lost Ark). Initially, I thought I could have an ecosystem of snakes where larger species ate smaller species, but there would reach a point where the food...

 
3:57 PM
2
Q: What is the Oracle's purpose, specifically regarding her "to unbalance them" comment?

NathanSIn this Q&A: What or who were the Oracle and the Architect?, we find out what the Oracle is. In short, the Architect says: Architect: ... Thus the answer was stumbled upon by another – an intuitive program, initially created to investigate certain aspects of the human psyche. If I am the father ...

4
Q: To be decoded (BINARY)

DcybrozLook at this image using a pixel editor. Black is 0, white is 1 and red is end of statement

 
4:09 PM
4
Q: What is the general term for instruments without fixed pitches? Like fretless

kluttThere are fretless versions of electric guitars and basses. Instruments in the violin family are always (almost) fretless. But what is the general term for this when expanded for other instruments, like trombones, slide saxophones, theremins and other instruments that does not have fixed pitches?

3
Q: C# Am I using proper SOLID principles?

Martin CI am currently practising using the SOLID principles in C#/.NET I have made a little example, but i am not sure if i have followed it correct. Its a simple example where i have an API controller that calls a method to get a list of users from an database and returned as DTOs. To use the method i ...

 
4:27 PM
1
Q: What are bias and variance in machine learning?

J.D.I am studying machine learning, and I have encountered the concept of bias and variance. I am a university student and in the slides of my professor, the bias is defined as: $bias = E[error_s(h)]-error_d(h)$ where $h$ is the hypotesis and $error_s(h)$ is the sample error and $error_d(h)$ is the t...

 
4:39 PM
1
Q: How are other chipmakers keeping up with TSMC if their processes are just the best?

AllureIn the news recently was Intel's stock falling 20% because its 7nm processes are being delayed by 6+ months. The argument seems to be that Intel is already behind (since they're using 10nm processes while TSMC is on 7nm processes, soon to be 3nm processes), so it's only going to get worse for Int...

4
Q: How to generate KPOINTS file for HSE06 band-structure calculations?

Chi KouI have had a look at the example of Silicon provided here https://www.vasp.at/wiki/index.php/Si_HSE_bandstructure in WIKIVASP website,and I noticed that the KPOINTS file used for HSE06 bandstructure contains two parts as follows : Automatically generated mesh 26 Reciprocal lattice 0.000...

4
Q: How to adjust PC statistics when undergoing a (semi)permanent transformation into a different creature?

DeepsThe Monster Manual contains guidance for Player Characters as Lycanthropes (p. 207) or Vampires (p. 295). Is there general guidance on how to handle player characters (semi)permanently transforming into another creature where they could retain their class levels and statistics but also take on ch...

 
4:57 PM
1
Q: How can a user or wallet have multiple addresses at all if out of a private key can be generated only a single public key?

zirnamarajiA user of a wallet, regardelss of a version of a wallet, can generate as many addresses as he wants, right? Since an address is basically a public key, and in "private-public key" cryptograpthy there's only one public key that corresponds to a private key, how is generating lots of addresses poss...

3
Q: Hide table from user

BERAI have a polygon layer and a table without geometries. I join the table to the polygons to use one of the table attributes to label the polygons. I don't use the table for anything else. Is there a way to completely hide the table from the user? I don't want it to show in layer tree:

5
Q: Are Corvus Glaive and Proxima Midnight married in the MCU?

TheLethalCarrotIn the comics, Earth-616, Corvus Glaive and Proxima Midnight are a married couple. We see them together in Avengers: Infinity War, going on the mission to get the Mind Stone together and working in tandem in the Battle of Wakanda. They also seem to care for each other but as Children of Thanos th...

1
Q: I want to remove 1st character from each line as its special and convert file to ; semicolon delimited file

NareshSource file is having a special character in starting of each row. File is double space delimited. Sample data file: âNAME ABC âAGE 21 âADDRESS XYZ street ABC city âCONTACT 13244235 âDOJ 20181212 I want to remove â as its first and special character in each line and convert file to ; (semic...

1
Q: Unable to find MOSFET type and specs

Tomáš HavelRecently I've been trying to fix a motor-controling board in my pool cleaner. After some measuring, I've figured out, that two MOSFETs are behaving strangely and their behaviour varies from the other two paires. Unfortunately I am unable to find the types and specs of the FETs. This is what is w...

 
5:09 PM
3
Q: Mathematica can find a ProductLog type answer for each particular rational example of my parameter, but fails in general

florinSolve and Reduce fail on First line with rational parameter l, but succeed when I plug in a value Assuming[Element[l, Rationals] && l > 0, Solve[x Exp[-2/(x)] == (x - 1) - 1 /(2 l), x, Reals]] % /. l -> 15/31 Can I coax her to produce an answer which depends on the parameter? It turns out th...

4
Q: Which python package is suitable for mulitobjective optimization

PeterBeI would like to start using Pythong for modelling and solving optimization problems. I would like to use both single-objective problems and multi-objective problems with a multidimensional objetice space. For the multiobjective problems I'd like to use a metaheuristic something like multiobjectiv...

3
Q: How would a higher delta in human performance effect medieval warfare?

CubedspartanIn this universe the average human's physical ability is the same but the extremes are greater. There is a 5 percent chance that a human is born much stronger/weaker then baseline humanity. This isn't attainable or genetic it's purely random. This doesn't exist in a spectrum. If baseline humanity...

 
5:27 PM
1
Q: Asher Yatzar - Bircas HaShevach vs Bircas Hane'enin?

DovHow do we define the bracha of Asher Yatzar? Is it to be viewed as a bircas hashevach as the whole blessing praises Hashem's creation of the human body and the capacity to relieve oneself Or, is it more correct to deem the bracha as a bircas hane'enin as one is clearly benefitting from the proces...

 
5:57 PM
3
Q: EU passenger rights for change in departure time announced on short notice

stefanA European airline just announced that my intercontinental flight to Europe will depart 3.5 hours later than originally planned, leading to a different connecting flight with an arrival at final destination 8.5 hours later than originally planned. They announced that less than three days before d...

 
6:09 PM
6
Q: How devastating is a weapon that can internally and rapidly cool down a section of a human body?

votbearLet's say in a magical world, there exists a basic cooling spell which slightly cools down an area by reducing the heat energy of everything inside it. In said world there also exists a particularly creative and capable mage that has managed to take this spell and massively compress it, reducing ...

10
Q: Who ended up owning Commodore's semiconductor IP?

Graham LeeThe question of ownership of Amiga-related intellectual property post-Commodore is famously difficult to answer. My question is: does anyone "own" Commodore's semiconductor IP now, and if so, who? I imagine that patents have expired everywhere that they were granted, as it's been 26 years since C...

 
6:27 PM
1
Q: Disconnect from network without stopping the query

YuseqYaseqI have an opposite problem to Does disconnecting the network stop a query?. I would like to launch a query and disconnect without waiting for results but I don't want the query to stop. Is it possible?

 
6:57 PM
2
Q: Replacing a SRAM Force hydraulic caliper with a new one

habdieI'm replacing my SRAM Force hydraulic caliper with a new one, I've drained the old one so there's no fluid in it. When replacing the caliper with a new one how can I put fluid into it? Should I just do a classic bleed or are there special steps to follow for new caliper installation? thanks

1
Q: How to split contribution page into tabs

Hugo CI would like to divide my contribution page into tabs: intro + priceset, payment information, submit section. How can I do that?

3
Q: Momentum of photons

EbiWe know that photons (light) are massless but they have momentum. Now suppose I am in the space far away from planets/stars that there is no external force exerts on me, if: 1- I turn on a flashlight (torch), would I be pushed in the opposite direction which the flashlight is facing (Newton's thi...

 
7:21 PM
1
Q: Linus's Book: Is the "page-to-disk" feature Linus talks about in the excerpts shown here essentially the concept of swapping we use today?

computronium In his autobiography, Just for Fun, Linus mentions the "page-to-disk" feature that was pivotal in making Linux a worthy competitor to Minix and other UNIX clones of the day. Is he essentially talking about swapping here? People with some historical perspective on Linux would probably know. TIA!

1
Q: How do I transfer all the contents of a file based on a criteria to another folder?

yuRa I have multiple folders i.e., Fold1_part1 which have 6 subdirectories in them. In each of them has 3 folders full of images labelled either 0,5,10. I am trying to move them to another folder which will hold all the images for each category(3 folders which are 0, 5 or 10).

 
7:39 PM
1
Q: What is implied with this scene in Breaking Bad?

MouvierIn the pilot episode of Breaking Bad, when Jesse and Walter White are in the desert they have the following dialogue: Jesse is looking if there is nobody around. Jesse: Yeah, nothing but cows and a big cow house. WW: Cow house? Jesse: Yeah, where they live, the cows. WW: (to himself) Cow house.....

 
7:57 PM
1
Q: Why isn't COVID-19 just called SARS-2? Isn't it a second SARS?

user541686Severe Acute Respiratory Syndrome (SARS) is a disease caused by SARS-CoV—the "SARS CoronaVirus". We now have a second disease caused by a second coronavirus, which we call SARS-CoV-2. So why is the disease named COVID-19 now, instead of SARS-2 (or SARS-19 if you wanted the year)?

3
Q: Expectation of sum of absolute values for correlated normal random variables

Marius Andrei ZoicanLet $x_1, x_2, \dots, x_{N}$ i.i.d. random variables $\sim \mathcal{N}\left(0,\sigma^2_x\right)$. Further, let $z\sim \mathcal{N}\left(0,\sigma^2_z\right)$, $z$ is independent from all $x_i$. We build random variables $y_i=x_i+\gamma z$. By construction, $y_i \sim \mathcal{N}\left(0, \sigma^2_x +...

1
Q: Can ISP replace a website html/js/httpHeaders with something else?

Phung D. AnIt seems to me that "yes they can do". As I saw it in some countries, entering adult content will simply give a warning message that the site is blocked. Some places even block Facebook similarly. If yes, then technically, ISP can steal a website's users data by altering legit html/js with bad ht...

 
8:09 PM
4
Q: Is Nicodemus revealing to be Jesus's follower?

Tiago Martins Peres 李大仁In John 3 we read of Nicodemus meeting with Jesus to know more about the meaning of being born again. Then, later on in John 19, we read Nicodemus, who had first come to Him by night, also came, bringing a mixture of myrrh and aloes, about a hundred pounds weight. Is this a declaration of faith...

3
Q: Where Does the Hessian Matrix Come from (Why Does it Work)?

John DoeWhy does the Hessian matrix $$\left( {\begin{array}{cc} \frac{\partial^2f}{\partial x^2} & \frac{\partial^2f}{\partial x \partial y} \\ \frac{\partial^2f}{\partial y \partial x} & \frac{\partial^2f}{\partial y^2} \\ \end{array} } \right)$$ work and where does it come from? I just recently came ac...

4
Q: Work term in First Law of Thermodynamics

Tony StarkThe first law states that $\text{d}Q = \text{d}W + \text{d}U$ where $\text{d}W$ is the work done by the system on the surroundings. As far as I remember from my chemistry courses,first law in chemistry is $\text{d}U= \text{d}Q + \text{d}W$ where $\text{d}W$ is the work done by the surroundings on...

 
8:27 PM
11
Q: Compoundoku wants REALLY BIG!

Earlien Rules of Compoundoku: Solve both left and right Sudokus. In addition, the board below them is the Compound Board of both Sudokus. Each number on the Compound Board should tell either: (1) the number on the left Sudoku, or (2) the sum of both numbers on the left and right Sudokus; in the respec...

 
8:45 PM
3
Q: Why is maximal kinetic energy lost in a perfectly inelastic collision?

OVERWOOTCH A perfectly inelastic collision is one where both of the colliding objects stick together and move as one. My questions is, why, of all possible combinations of final velocities that conserve momentum, does this one lead to greatest loss in kinetic energy? One of the reasoning I found was that th...

 
8:57 PM
3
Q: Why is depth-first search an artificial intelligence algorithm?

himariI'm new to the artificial intelligence field. In our first chapters, there is one topic called "problem-solving by searching". After searching for it on the internet, I found the depth-first search algorithm. The algorithm is easy to understand, but no one explains why this algorithm is included ...

 
9:27 PM
5
Q: Are these Yuan-Ti's osssra rules balanced?

EddymageI am DMing a homebrew campaign and I created an exotic island ruled by Yuan-ti. I read the Serpent Kingdoms 3rd edition manual and I tried to adapt the osssra table (page 150). In 5th edition the condition Poisoned tries to simplify the effects of poisons, even if in DMG (pages 257-258) some diff...

 
9:57 PM
3
Q: Primitive pythagorean triples in an arithmetic progression

questionaskerI was wondering whether or not primitive Pythagorean triples could form an arithmetic sequence with their terms. I know that $(3,4,5)$ satisfies this condition, but I was wondering whether or not there are other ones, and how many there could be. Thanks!

 
10:27 PM
1
Q: Zener diode response time

NewbieI have the below circuit: Forward diode D0002 - Datasheet SIJ series for reverse protection and C0001-C0004 capacitors for ESD protection. Zener diode - Datasheet - 36V reverse breakdown. Question : BATT1 is the Vcc supply for certain ICs in my design whose absolute maximum ratings is 40V. I hav...

2
Q: Find the area of the given triangle

Aniruddha DebAnother mathematical puzzle: Find the area of $\triangle FGH$, given that $FG=FH$ and the radii of the circles shown are $2$ and $1$

 
10:45 PM
4
Q: General and specific advice regarding feral kittens

Bence RacskóBackstory: (Might be relevant) Wife and I have found a colony of feral cats in our city, consisting of a mom and a litter of four kittens. We took an instant liking to them and from that point on for nearly three weeks went out every evening to feed them and try to socialize them a bit. When we h...

3
Q: What would Russia have to gain from interfering with the US presidential election?

Robert ColumbiaThere were quite a few allegations that Russia interfered, or at least tried to interfere, with the 2016 US presidential election, and new allegations have started to appear that similar interference in the 2020 election may have started or will soon start. Reams and reams have been published abo...

 
11:15 PM
3
Q: \lowering \leaders

Holden RohrerI'm using \leaders to make a flexible width rule, with the statement \leaders 0pt plus 1fil\hrule, but I also want to put text above this line. \rlap{text}\leaders works fine, except that the text is very close to the line (which isn't very aesthetic). I like the look of \underbar{text}, but I ne...

 
11:27 PM
2
Q: What is better: Cross validation or a validation set for hyperparameter optimization?

Franco PiccoloFor hyperparameter optimization I see two approaches: Splitting the dataset into train, validation and test, and optimize the hyperparameters based on the results of training on the train dataset and evaluating on the validation dataset, leaving the test set untouched for final performance estim...

2
Q: What does "a shnip" mean?

minoosalesiIt is the word used in a play. The paragraph in which it is stated is the following: Why does everybody sabotage me, Frank? I give work, I pay well, yes ? They eat what they want, don't they ? I don't know what more to give a man. He works, he eats, I give him money. This is life, isn't it? I ha...

9
Q: B​ee​p-b​oo​p!​ What's my animal?

Voldemort's WrathYour friend who works at a telemarketing company loves leaving little codes for you all over the place! Today, she left an especially confusing piece of paper taped to your desk! 1209-852 1209-770 | 1477-770 1477-852 | 1477-770 1209-852 | 1477-770 1336-770 | 1209-852 1336-697 What's my favorite ...

2
Q: What do various property highlight color overlays mean

BatatasFritasI have downloaded free model for my current project and spotted those differnt colors on Scale, Rotation, Location, and other properties. What do these different colors signify? What is the meaning of various possible color overlays on UI properties buttons? The very same model after Ctrl + C Ctr...

 
11:45 PM
1
Q: The difference between pronunciations of 8 in "1835" and" 1928"

Ali TaghaviI realized that the pronunciation of 8 in (say)1835, when 8 is adjacent to "mille", is different from its pronunciation in (say) 1928, when 8 lies in the first digit: "Mille oui cent trente cinque" and "Mille neuf cent vingt witt" Am I correct? Or I am mistaken? Why do not we say "mille witt cen...

3
Q: 7 month old can sit, but doesn't want to

learner101My 7 month old is able to sit, and does for brief periods of time. But it seems like he has no incentive to sit. He soon falls on his stomach to crawl, or if there are things nearby, pulls himself up to stand. He loves to stand, and crawling gets him places. Sitting apparently does nothing for hi...

 
11:57 PM
1
Q: Why do ion leak channels exist?

Nicholas HassanI've recently learned about ion leak channels in the context of membrane potential and action potentials. Neurons have ion pumps that require energy in order to maintain the resting membrane potential and concentrations of K+ and Na+, yet the K+ and Na+ leak channels seem to directly oppose this ...

 

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