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GIS
GIS
00:02
1
Q: List all feature classes that and exclude those who starts with a certain character

jamesI would like to list all the feature classes of my SDE database, except those who starts with the letter M. Any ideas please ? import arcpy fcs = arcpy.ListFeatureClasses() for fc in fcs print (fc)

00:23
2
Q: Is there an existing name for this hook-sword-like shortsword design?

froggodoggoI was looking to add this premise of a weapon for a character I'm writing. I remembered this style existed in Breath of the Wild as an Eightfold Blade. While it does have a hilt, it is only a very small circular guard with no ricasso. The main thing that I'm focusing on is the name of swords that...

3
Q: Theoretical Computer Science vs other Sciences?

voltas1231So I‘m in my third semester studying Computer Science at a German university, so I‘ve only scratched the surface of Theoretical Computer Science, namely Logic, Formal Languages, Automata Theory, Computability and Complexity. I know some people doing physics and engineering, and I always get this ...

3
Q: Why Hegel thinks that A and not-A will entail each other?

Clare ParkinsonAccording to Hegel, he claims that both contradictory concepts are eventiually found to be included in the upper one. I don't really know what this means, it sounds like a ridiculous joke.

00:54
6
Q: How reliable is Raku's is-prime function?

SeanThe documentation for Raku's is-prime function says the following: Returns True if this Int is known to be a prime, or is likely to be a prime based on a probabilistic Miller-Rabin test. Returns False if this Int is known not to be a prime. I do a lot of code golfing in Raku, and it's very conv...

01:10
10
Q: Can we explain why using `Nothing` twice on a list does not operate twice?

HughBelow I generate a list of numbers between 1 and 15. I then set the value at position 10 to Nothing and as expected the value at position 10 is changed. This is as expected. In[1]:= b = Range[15] b[[10]] = Nothing; b b[[10]] Out[1]= {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15} Out[3]=...

CS
CS
01:42
1
Q: Could I use a 5-S BMS with only 3 cells?

imt_blakeI am analyzing an open-source BMS project based on a BQ76920 from Texas Instruments and checking its datasheet to understand their features and applications. The schematic of the project seems to be consistent with the datasheet but my question is: Could I use it for only 3 cells in series instea...

DIY
DIY
02:00
1
Q: Will this attic insulation plan close off the option of a whole-house fan for summer cooling?

cr0Some house context: apx. 1300sq.ft. built in 1960, block basement foundation and stick frame, asphalt roof in a relatively rural setting with high winds in plant hardiness zone 6. We usually cool by opening screened windows & doors and running box fans in them once daytime temps cool off, then tr...

02:14
2
Q: Working on a text-based 4X game in C++, looking for feedback on code and actual game features

SelisineThe ‘skeleton’ of the game works, making it playable, so I’m mainly just looking for renditions and feedback on both the code, and the actual game. Here’s the things I’m already working to fix/add: Add color to text Add startup menu Find a way to put names in commander fights OR alternatively ha...

02:26
2
Q: Error in Discrete Fourier Transform

sam wolfeConsider this data. I would like to plot it via it Fourier discrete sine transform. However, I am getting a slight offset, as seen here pdat = ListPlot[data]; ur = FourierDST[data]; n = Length[ur]; pdatFour = Plot[Sqrt[2/(n + 1)] Sum[ur[[r]] Sin[Pi/(n + 1) r s], {r, 1, n}], {s, 0, n}]; Show[pdat...

8
Q: This is a fun little word puzzle based on a fun little number puzzle

MagmaticThis is a fun little word puzzle based on a fun little number puzzle.

03:12
1
Q: Inconsistent behavior testing Taproot Workshop - Section: 0.2 Elliptic Curve Math

PoseidonWorkshop link: https://github.com/bitcoinops/taproot-workshop/ In the section 0.2.4 Programming Exercise: Distributivity of scalar operations we implement the following code: a_key = ECKey().set(a) b = random.randrange(1, SECP256K1_ORDER) b_key = ECKey().set(b) c = random.randrange(1, SECP256K...

CS
CS
03:23
2
Q: DFA that accepts strings whose 10th symbol from the right end is 1

steatodaProblem is "Constructing a DFA accepting set of all strings whose 10th symbol from the right end is $1$ over $\{0,1\}$" The NFA is easy $$(0+1)^*1(0+1)^9$$ but DFA has to have minimum $2^{10}$ states. I've tried to see the pattern by constructing 2nd and 3rd symbol from the right. I mean, when it...

CS
CS
03:49
2
Q: Is there a "Standard Algorithm" language, as used in academic papers?

MakketronixIn many academic papers algorithms are described. They seem to use similar "syntax". Is there a standard for this language? If I want to describe an algorithm, would I improvise my description? For example, note that papers in general use a <-- b to assign a, not a = b. But where is that standard?

2
Q: Two double sums must be equal, struggle with indices

niobiumEmpirically, these $2$ sums are supposed to be equal: $$\sum_{k=0}^n \sum_{j=0}^k a_j b_{k-j} = \sum_{k=0}^n a_k \sum_{j=0}^{n-k} b_j$$ I failed to prove it with a "change of index" and now I am thinking the only possible way to solve this is to use $\sum _{i+j \leq n}$ which has always been a...

1
Q: "-UUU:----F1" in terminal Emacs mode line

DavidWhat does -UUU:----F1 exactly mean in a terminal Emacs mode-line? I have heard, that U means somethings like UTF-16, but why are there three U's? What is F1 for? Why are there -?

Law
Law
1
Q: Are designs explained in academic publications considered to be in public domain if there isn't yet a patent applicaton about it?

b.g.In academic journals, sometimes the new approach they describe seems so promising that companies may want to use those designs or designs made/inspired from the principles mentioned in the publication. When an invention is publicly displayed, it loses its novelty and hence cannot be considered as...

CS
CS
04:15
1
Q: Mechanic sent me this image and said my brake rotors should be replaced. Does this seem right?

SmarticusRexI feel like it is normal to get some rust, especially over the winter season, where it is wetter and I have been using my vehicle less. Can you tell if they need replacement from the picture? Car is 5 years old and has less than 20k kms.

04:41
1
Q: what is the meaning of "系" in below sentence?

farhad gharleghiI checked on internet to find the related meaning of "系" in below sentence but I didn't find. "レポート 進んでる系?"

1
Q: What does the following excerpt from "To Kill a Mockingbird" mean?

GolnazFrom chapter 10 of To Kill a Mockingbird by Harper Lee: Mr. Tate jumped off the porch and ran to the Radley Place. He stopped in front of the dog, squatted, turned around and tapped his finger on his forehead above his left eye. “You were a little to the right, Mr. Finch,” he called. “Always was...

DBA
DBA
05:11
2
Q: Varbinary update attempt

smoka smokovIs it possible to adapt this into update query which has to seek a free sequence of 3 bytes or (0x000000) and replace it with a new sequence if the data is split like this every 3 bytes? The issue is that cast/replace wont work with undefined data which is 0x00. The varbinary data is divided ever...

2
Q: What's a good word to describe someone who is prone to sudden changes of mood?

SandyLike I said in the title, I'm looking for an adjective, preferably a kind of ''fancy'' one that I can use to describe a character who has frequent changes of mood, often in a very sudden or extreme way. It also causes problems for people around her. It's not fickle, by the way, which describes a ...

5
Q: Extracting list elements following a specific marker

SchaefI have a set of data (called MyList), and I need to extract every value that appears after a certain marker (in this case 1000000000). Unfortunately the number of values in between the markers are not known in advance, which means that Partition can't be used. I can't extract each value manually ...

05:29
1
Q: How would you represent the T-gate in terms of X-gate and Y-gate? So rotations around the X and Y axis

user24690I know that the T-gate is equivalent to a pi/4 rotation around the Z-axis, but what about X and Y?

CS
CS
3
Q: Short circuit parallel to current source explanation

Fernando Henrique Vaz Mello I was given this circuit in a circuit analysis course and found out using KCL/KVL that all the currents in blue are zero and Ix = -2A. I understand that the current source is connected with both terminals to the same node, so the 2 amperes is coming in and out of the A node. I know that in a tes...

Law
Law
05:45
2
Q: Fired (seemingly) for finding paycheck inconsistencies. What kind of legal recourse might exist?

Seph ReedNot me, but a friend. They found some paycheck inconsistencies for them and a bunch of other employees, and asked about it. The response from management was "oh, oops. We'll fix it" A few days later she came in to fill a shift for someone, but was blocked from coming in and told she was fired. ...

RPG
RPG
06:02
1
Q: Clarifications on the Eversmoking Bottle 5e

Timothy AssafThe description for the item says that you activate the item by removing the stopper, where it pours out a 60 foot radius cloud. This cloud expands until it reaches a maximum radius of 120 feet, and the cloud persists until the bottle is closed. The bottle can only be closed if you speak it's com...

CS
CS
06:23
1
Q: Using a DC rated relay to switch AC

BeB00I'm trying to switch medium power 110V AC loads (10-20A) and I'd like to use an automotive rated relay. Naturally most of these are rated for DC loads. Would it be ok to use a relay like this to switch a 110V AC load? My understanding is that typically there could be issues the other way round (A...

 
1 hour later…
DIY
DIY
07:32
1
Q: Find replacement HVAC transformer

gnickoI want to replace this HVAC transformer but I don't know any of the specifications or ratings for the existing one. This is hooked up to the heater in my garage/shop and the heater fails to kick on occasionally. I found this question: Are HVAC Transformers Interchangable (if their power ratings m...

5
Q: Why did my flight leave the gear down for the first 10 minutes of flight?

catalogue_numberThis morning, I took flight VS156 from LAS to LHR, aboard a 787, tail number G-VSPY according to flightradar24. The pilot made a strange announcement before takeoff - specifically, that due to a recent maintenance procedure, the pilots would not be able to raise the gear for the first 10 minutes ...

RPG
RPG
4
Q: Would a spider familiar be able to press the button on the immovable rod whilst swinging from a rope tied to said rod?

c_burd1st time DM here. My level 3 party (DnD 5e) used the immovable rod and some rope to escape through the window of a collapsing tower in the latest session. This left the immovable rod out of range of the Sorcerer's mage hand. The wizard wished to use his spider familiar (re-skinned as a large ant ...

07:53
2
Q: Why is wtxid called "hash" in Bitcoin Core's getrawtransaction RPC?

harbarIn the industry txid is known as "transaction hash". Why wasn't the "hash" field called "wtxid"?

2
Q: Test whether an expression contains a particular pattern

imida kHow to test whether an expression contains a particular pattern ? I made a function for myself that tests whether an expression contains Plus or not. f[X_] := (FirstCase[{X}, HoldPattern@Plus[__], False, Infinity] =!= False) So, Clear[x,y,z] f[x*y+z] True f[x^y] False It worked correctly for ...

08:17
3
Q: Who described creative destruction as a process that will eventually balance the jobs created and destroyed?

FluidCodeI read many times articles talking about possible job losses caused by technological changes referring to Creative destruction as a hint that eventually as many jobs will be created thereafter. Often to strengthen the concept the writer adds the example of Britain were the Luddites fears were dis...

08:35
5
Q: Sociolinguistics of pre-handover Hong Kong cinema and dialogue in non-Cantonese Chinese “dialects”

Christopher C.I have always heard that mutual intelligibility between the Sinitic languages of China is low. However, I am confused by the sociolinguistics of Hong Kong cinema in 1980s and 1990s. Films from that period often contain extensive dialogue in pure Mandarian (as when a character is from the mainland...

3
Q: What is this || notation in BIP 341?

Will JacksonSHA256(SHA256(tag) || SHA256(tag) || x) What is the || notation? Is this the conjunction of the different elements? Bitwise OR? or modulus?

TeX
TeX
09:08
1
Q: Why is \textsc not working on this tabularray?

userI can't figure out why I can't make the title row in this tabularray environment to be small caps (seems to happen as soon as I add the row{2} = {font = \bfseries, cmd = \textrm},, but I can't override it by adding row{1} = {cmd = \textsc},. I just KNOW I am doing something stupid...especially be...

09:26
1
Q: Is it possible to have a resistor network whose total value is unsolvable?

LarryBudHome hobbyist here. I've been doing a lot of theoretical resistor, voltage divider, Ohm's law, and Kirchhoff law type problems just for practice, and ran across this older video on YouTube, which presented this problem: I didn't have a problem solving it, but it got me to thinking: Is it possibl...

09:49
2
Q: How to recognize a parabola from an algebraic expression?

user1145880Context. I worked on an intermediate-value-theorem problem that asked whether $f(x) = x^{10} - 10x^2 + 5$ had a root in $(0, 2)$. I solved the problem by computing $f(0)$ and $f(2)$, both of which are positive, making me try again. However, I (incorrectly) thought to myself --- that's a parabo...

10:07
1
Q: Does Acts 21:20–26 tell us that it is OK for a Christian Jew to continue to observe Jewish rituals?

Perry WebbDoes Acts 21:20–26 tell us that it is OK for a Christian Jew to continue to observe Jewish rituals? Paul's letter to the Galatians tells us that Gentile Christians do not need to keep the Law of Moses and the Jewish rituals. Even that no one can be saved by keeping the Law of Moses, an impossibl...

Law
Law
10:26
1
Q: Is cross examination strictly confined to the subjects that the original examination pertained to, or can the opposing party make their own points?

Seeking answersPretty straightforward question, really: what are the topical constraints of cross examination with reference to examination? Suppose party A calls witness W to the stand to ask them questions about the alleged motive and means for the crime. Party B now cross examines W but would like to use the...

1
Q: Walsh-Hadamard transform in randomness testing

Kevin PerezI am working on using the Hadamard transform as a way to map randomly generated values and then apply statistical tests as defined by Nist or other institutions. One resource online I found particularly helpful, yet I do not seem to have the mathematical intuition to understand some parts. The py...

4
Q: What is the Galois group of Conway's Look-and-say polynomial?

Beren GunsolusA fun result of Conway shows that the length of terms in the Look-and-say sequence approach a constant ratio which is the root of a certain degree 71 polynomial, which can be found at that link. What is the Galois group generated by the roots of this polynomial? One would expect it is $S_{71}$; i...

 
1 hour later…
TeX
TeX
11:42
1
Q: Who are the people behind the CTAN packages?

Rubem PacelliI am sorry for my naive question but the more I get acquaint with LaTeX packages, the more I wonder who are those people behind the packages. Some of them are very complex, with exhaustive 1000-pages manuals, which I suppose to be a huge effort to pull it off... Do they earn money to create such ...

12:28
1
Q: What's the best word to indicate "not mindless"?

Daniel R. CollinsI'm looking for a short word that means "not mindless". An example usage might be: There is evidence that any _____ creature has the ability to count small values. (Thinking of studies such as bees being able to count and do simple math.) The problem I'm running into is that most lists of anton...

12:55
2
Q: equivalent Russian for some idiomatic English phrases

drmerryI don't speak or read Russian myself, but I'm trying to find some genuine and natural-sounding Russian equivalents of a couple of English phrases. The first is "keep your shirt on," a colloquial and slightly irritable way of telling someone "calm down" or "don't worry". I found a phrase on a coup...

CS
CS
13:11
1
Q: How is the source term chosen when using path integrals?

CBBAMSuppose I would like to compute (time ordered) vacuum expectation values for a quantum field theory by using the path integral approach. Using the Lagrangian for the theory, we define a generating functional $Z[f]$ where $f$ is the source term. The vacuum expectation values are obtained by taking...

2
Q: What to do when you find out a client went to another designer to change the finished design?

Roberto BuckleyMy client seemed happy with my final design for a set of labels for supplements. Honestly I felt a little rushed at the end of the final edits. We were trying to figure out how to portray the flavors for the products in the labels and it seemed that we had found a solution. I sent all the final a...

13:38
2
Q: Relationship between z-score and the normal distribution

Math AvengersI am confusing about the relationship between z-score and the normal distribution. Do we apply z-score normalization to get a data with normal distribution, or given we have a normal distribution, we can apply and use z-score? What is the exact relationship?

3
Q: Applying geometry nodes doesn't work on a curve object

dean I made a geometry node where objects are placed on a curve at random distances. I also used a realize instance at the end. But the error "can't apply constructive modifiers on curve. Convert curve to mesh is order to apply" came up. How can I fix it?

14:16
2
Q: How to extract the internal key of a simple P2TR address?

OrnyIs it possible to extract the taproot internal key out of a P2TR address?

ELL
ELL
14:27
1
Q: What does the phrase 'play of' mean?

Sakya KimIn this following context, how should I know the phrase 'play of blind chance'? What does the word 'play of' mean? Does it mean 'creating of'? Context: P.S. shows that the sum of mental and physical phenomena known by the conventional name “person” or “individual” is not at all the mere play of ...

1
Q: What are the normalized entries called on the table of contents of thefreedictionary?

Lerner ZhangFor example, these multi-word expressions or lexical units can be listed in their very basic forms on thefreedictionary.com: leave one's mark leave mark on develop from develop from someone develop fight shy of fight shy of something be fighting shy of doing something be out of one's shell inste...

TeX
TeX
1
Q: LaTeX is not letting me add spaces in strings in lstlistings

muddersI am trying to add some code to my document, but whenever there is a space inside a string in the code, it shows up with a bucket(?) thing. I have provided the code and the output below: \documentclass[a4paper]{article} \usepackage{listings} \begin{document} \section*{Code} \begin{lstlisting}[l...

2
Q: automatic spacing between Chinese and English characters is not inserted when mixing Chinese and English characters in LaTeX

JerryLFA space should be added automatically between Chinese and English characters, like the picture below which is compiled using overleaf in web browser But the same .tex file is not correctly compiled in vscode, which means there's no space added automatically Here is my working sample, which incl...

14:46
2
Q: I have to pay back my student loan. What is the best way to do it?

SpoiledMustardToday, I received the news that my "Payback phase" for my student loan has begun. I was afraid this day would come soon, but it came quicker than I anticipated. However, I got the news that I don't have to pay back yet. I have 2 years until my mandatory payments start, but if I wanted to, I could...

1
Q: Why not use only octave clefs?

MinethlosThere are a lot of clefs: G, F, and many C clefs. And it is not trivial to read some clef is you are familiar with another one. I think music comprehension would be made easier if we only used one type of clef. To be precise, I propose to teach just one clef (I don't care which one, but I will us...

RPG
RPG
15:23
4
Q: Is this Domain of the Choir subclass balanced?

nbenI am running a campaign soon with a player who has a very interesting PC concept for a cleric whose religion is animism. Story details aside, I came up with this homebrew class based on consultation with the player about the concept and am now trying to determine if it is balanced and whether it ...

Vi
Vi
1
Q: How to tell Vim to count a pattern, but without modifying cursor location?

Steven LuI'm trying to streamline my workflow. I want one keystroke to slurp the token that my cursor is on, setting it in the search register enable hlsearch to show where else it is in the buffer not move the cursor report the number of occurrences of this search pattern in the buffer When hitting the...

2
Q: split/reference big file by offset reference

Mr.split splits a file into pieces which in total consumes the same storage space (doubling the consumed disk space). ln can create a symbolic link (symlink) to other (target) file while not duplicating the file and thus does not consume double the space of the target file. due to the lack of storag...

15:44
1
Q: Are the Āraṇyaká-s and the Upaniṣád-s part of the Véda?

Hiraṇyagarbha Mántra–Brā́hmaṇayor Veda-nāma-dheyám. "The name 'Véda' is given to the Mántra and the Brā́hmaṇa." —Āpastamba-şrāuta-sūtrá 24.1.31 Ádhi-Dāivam áth' ā́dhy-ātmam ádhi-yajñam íti trayám Mántreṣu Brā́hmaṇe c' āivá Şrutám íty ábhi dhīyate. "The three-fold knowledge pertaining to the Gods, the soul,...

3
Q: Is it easier to unclip using a shoe with higher stiffness index?

icesundaeContext: Newbie at cleats, and using Decathlon SPD SL 3 bolt cleats for road bikes. Is it easier to unclip using a shoe with higher stiffness index? I currently use a shoe that is around 6-7 on the stiffness index. Is it easier to unclip if I changed to a shoe that is around 10 stiffness index (f...

16:16
2
Q: Print columns of text without hard coding the width (attempt 2)

candied_orangeIf you'd like to print this: One Two Three Four 1 2 3 4 using this: new Columns() .withColumnSeparator(" ") .withPad(" ") // .alignLeft() .alignCenter() // .alignRight() .addLine("One", "Two", "Three", "Four") .addLine("1", "2", "3", "4") .print()...

TeX
TeX
16:47
2
Q: Draw multiple horizontal Gaussian bells shifted ik TikZ

huncletheoI would like to create something like this to illustrate linear models. Here is my code so far, generated using Mathcha, just to have an idea of what I would like. \begin{tikzpicture}[x=0.75pt,y=0.75pt,yscale=-0.75,xscale=0.75] %uncomment if require: \path (0,300); %set diagram left star...

2
Q: Decode this signal from outer space

DavidA light signal is received from outer space at a frequency of 982.002MHz Calculate the wavelength of the signal and identify a corresponding earth unit. By using the exact value of the unit convert the frequency back into a speed to reveal a well known constant.

1
Q: How does the GMU44 magnetometer differ from a magnetic compass?

Toby SpeightIn comments to Is the Garmin G1000's heading indicator based on a Magnetic compass?, it's claimed that the GMU44 magnetometer is not a magnetic compass. I don't understand this claim, as the device is a magnetometer, which senses the Earth's magnetic field, meaning it's aligned to the magnetic po...

17:09
2
Q: Is this the correct usage of "consensus"?

thecloud_of_unknowing[See updated question below] I'm debating someone who is making this argument: "Most religions believe all other religions are wrong, and their religion is right. Therefore the consensus is that all religions are wrong." I think this is faulty logic. In my view, since most believe one is right, a...

17:27
2
Q: Can we evaluate the integral using Feynman’s, Frullani’s or double integral without Beta functions?

LaiBackground When I first met the integral $$I=\int_0^{\infty} \frac{\tan ^{-1}(a x)-\tan ^{-1}(x)}{x} d x,$$ I tried to use Feynman’s Technique by considering the integral with parameter $a$ $$ I(a)=\int_0^{\infty} \frac{\tan ^{-1}(a x)-\tan ^{-1}(x)}{x} d x, \quad \textrm{ where } a>0 $$ Differen...

5
Q: Confusion on the signs involving two square roots of a complex number

sevenn0I am confused on dealing with the positive or negative sign when finding the two square roots of a complex number. For example I am solving a similar question to the one here: link In the answer it is written: $$z^{1/2}=\sqrt{9\left(\cos\frac{\pi}{3}+i\sin \frac{\pi}{3}\right)}$$ Then: $$=\color{...

2
Q: Is there really a bawdy pun at the conclusion of Romeo and Juliet?

Matt ThrowerRomeo and Juliet is listed as one of Shakespeare's tragedies and, personally, I found it one of the more affecting ones. With that in mind I was gobsmacked to learn that there's apparently a dirty joke right at the high point of pathos in the play. When Juliet says: O happy dagger! This is thy s...

18:08
2
Q: How did the Virgin Birth of Jesus prove to be `sign' as prophesied in Is 7:14?

Kadalikatt Joseph SibichanWE read in Is 7:14 (KJV): Therefore the Lord himself shall give you a sign; Behold, a virgin shall conceive, and bear a son, and shall call his name Immanuel. Of course, the Gospels speak of the Virgin Birth of Jesus . But, before the Gospels were recorded, there must have been a way in which t...

18:19
6
Q: How to prevent function parameter convertion from value to reference type in C++17?

ziggystarUsing C++17, I have a method that takes a function with a parameter that must be a reference. Right now, I do not get a compilation error when I pass a lambda taking a non-reference parameter. I want this situation to not compile. How can I achieve this? Also which implicit conversion kicks in an...

1
Q: Training for driving on the left in the UK

GergelyIn contrast to Europe, the UK has drive left policy. It is not easy to follow the rules, coming from Europe. Is there a written or in person training for this? I have found this: https://www.rospa.com/rospaweb/docs/advice-services/road-safety/cyclists/cyclist-training-schemes.pdf but this does no...

TeX
TeX
1
Q: How to make those lines in Tikz?

MordecaiHere the lines: I have no idea how to make the little bump. If only it were straight lines :) Colors are: green: #9DC634 orange: #F39614 pink: #F39614 purple: #AB7CB5 Thanks for your help

DSP
DSP
18:36
2
Q: Integral of product of two shifted Dirac impulses

Ahson YousefIn this question the multiplication of two impulse functions is discussed However, what if I have two shifted impulses say: $z(t) = \delta(t-\tau)\cdot \delta(t-\beta)$ Now if I want to integrate $z(t)$ how would I go about it? Let's say the integral is: $$\int_{-\infty}^{\infty}\delta(t-\tau)\cd...

1
Q: Understanding the Bernstein-Vazirani implementation from the qiskit website

timmy1691My question is with regards to the implementation from the Qiskit textbook. From my understanding the algorithm is for finding out what an unknown bit-string is which in the classical case requires N operations where N is the length of the string. My question is in the below snippet, is it not do...

1
Q: How to override page builder upload.php in magento 2.4.5?

Dhirendrasinh RathodI want to override vendor/magento/module-page-builder/Controller/Adminhtml/ContentType/Image/Upload.php. please help me. I want to allow webp extension in code using the override method.

18:53
1
Q: How can I read 你让我做什么我就做什么?

TG24 我今天听你的安排,你让我做什么我就做什么。 For today, I will listen(obey) to your arrangement(s). I'll do whatever what you let me do. The above English translation was made by me. I've been stuggling to understand the below sentence. 你让我做什么我就做什么 you let me do something then I do something. Directly reading above...

1
Q: Best practices Use == or isSameDay apex date

arnaudCurrently in production I check if two dates are identical in apex by doing date1 == date2 I see in the documentation that there is also isSameDay Would you know if using == between two dates is a good practice or if it is better to use isSameDay?

19:09
2
Q: Lognormal Distribution, mean and variance of logarithm of distribution

TuoTuoLet Y be a lognormally distributed random variable with mean $\mu_Y$ and standard deviation $\sigma_Y$. Assume $\ln(Y)$ is normally distributed with mean $\u$ and variance $\sigma^2$. According to my source, the mean of the lognormal distribution satisfies $\mu_Y=\ln(\frac{\mu\sigma}{\sqrt{1+w}})...

DIY
DIY
19:25
1
Q: Tools/techniques to remove a long section from a wooden board

Mr. BoyI am building interior wooden cills and from a 3m x 250mm board/plank (25mm thick) I need to remove a rectangular section about 50mm thick along most of its length, giving something like: I have a circular saw and jigsaw but no plunge saw or table saw or router, as well as regular hand saws and ...

CS
CS
1
Q: Opamp with unbalanced rails

NewbieI'm using this - opamp. I'm powering the MCP6V81 off +0.5V and -5.0V supplies. So the supplies are very unbalanced. Will this cause us any issues? Such as output offset, and drift? Also, in the absolute maximum voltage rating, it is mentioned as Vdd-Vss = 6.5V. Is it the difference between two vo...

20:10
1
Q: Validation Rule not running the whole formula

Hatake_KakashiA field(Example__c, Text 255 char) can have a value of alphanumeric(numbers and/or letters) type and character length should ONLY be either: 3 character value 7 character value 12 character value I have written the below validation rule: AND( NOT( REGEX(Example__c,"[A-Za-z0-9]) ...

1
Q: Why do we rest the barbell on delts when doing a power clean?

Tryst with FreedomI am doing light loads ~30-40kg, and I am pretty comfortable with holding the barbell vertically up using my elbow when doing cleans. Why is it recommended to keep it on the delts? Refer

1
Q: RPi 4: What happens on reverse voltage supplied to the GPIO header?

TintenfischDoes the RPi 4 has any kind of protection against reverse voltage when the GPIO header is used?

CS
CS
3
Q: Do MEMS or optical gyroscope record Earth's rotational and revolutional angular velocities?

Akash SagarI am using a 3 axis gyroscope (Android device) to record angular velocities using a sensor data logger application. When the device is placed stationary, the gyroscope recorded the following values: X: 0.003 Y:0.00042 Z:0.0045 At an instantaneous time t. If I resolve the vector components to fi...

20:29
1
Q: Does Latin Word "honestus" Mean English Word "honest"?

tonyIn Latin there are words which look & sound English-y; but, do not mean the English things which they resemble e.g. Latin word, "infestus", does not mean English, "infested"; but, "hostile". There is a possible linkage: a body which is doing the infesting may well be hostile. Still, the meanings ...

1
Q: Including somebody with an unrelated degree as a coauthor?

DBAQuestionIt's a finance paper. Is there any problem with adding somebody with a Master in English as a coauthor, since he could help me correct the grammatical mistakes and make the paper more readable?

20:46
7
Q: Recommendations for getting into sheaves with emphasis on differential geometry and algebraic topology

Ofek AmanI want to study the theory of sheaves from a categorical point of view with an emphasis on applications in algebraic topology and differential geometry and I'm looking for a good introductory book to the subject with these qualifications in mind. I know that the theory of sheaves is fundamentally...

AI
AI
21:06
2
Q: Can LSTM model use ReLU or LeakyReLU as the activation funtion?

BlueSnakeCan LSTM model use ReLU or LeakyReLU as the activation funtion? If so, when should one use tanh and when should one use ReLU or LeakyReLU?

1
Q: How to launch specific section of the Mathematica notebook depending on the dialog choice?

John TaylorConsider some Mathematica notebook where there is some preliminary code followed by chapters, sections, and subsections that must be evaluated using the code. Say, there are Chapter 1, Chapter 2, where there are sections 1.1, 1.2, and the subsections 1.1.1 (in 1.1), 1.2.1, 1.2.2 (in 1.2). Would i...

GIS
GIS
2
Q: Calculate distance between two closest points on graph in QGIS

barney stinson 2I have a graph layer and a point layer. The points are snapped to the graph. I want to get the distance between the closest points on graph

21:38
4
Q: Movie where a man is abducted by beings believed to be aliens and finds out they were from the future

Joao DiasWhat's the title of movie where a man was abducted by beings believed to be aliens and finds out they were from the future. They came back in time because the genetic manipulation in the future affected the diversity and civilization will be condemned because of it. So they came back to abduct pe...

2
Q: Norm of the gradient of a function between Riemannian manifolds.

FalconLet $(M, g), (N, h)$ be two Riemannian manifolds and $u: M \to N$ a smooth function. I would like to know how to show that, for $x \in M$, $$|\nabla u|^2(x) = g^{\alpha \beta}(x)h_{ij}(u(x)) \frac{\partial u^i}{\partial x^\alpha} \frac{\partial u^j}{\partial x^\beta}.$$ I know that in the case $f...

2
Q: Is the L2 norm positive definite?

이희원I am learning the concept of $L^2_w[a,b]$ space - space of square-integrable functions on the interval $[a,b]$ - in the context of Hilbert spaces. After struggling to show that the space of continuous functions is not complete, I came to wonder if the $L^2_w$ norm is in fact a well-defined norm. ...

RPG
RPG
5
Q: Could a Dragon use an unconscious PC as a thrown weapon?

ItsScottishI like to ground my games with a cinematic scope and my players may come up against a dragon pretty soon. The dragons are very much feral and evil and so I am looking to show their feral nature. If a player was knocked to making death saving throws, could the dragon (using D&D 5e Mechanics) pick ...

21:59
2
Q: Why must ECDSA verification ensure the point is on the curve?

JoeIn ECDSA, when parsing the public key a test is made to ensure the public key really lies on the curve. What vulnerabilities appear if one does not do this?

CS
CS
4
Q: What is the covariant version of the dipole moment?

MauricioMagnetic dipoles in a rest frame behave as a mixture of dielectric dipoles and magnetic dipoles in another moving frame. However this is sometimes controversial due to Mansuripur's paradox (see Griffiths 2013 article about it). According to a deleted answer in another question, there is a covaria...

TeX
TeX
22:18
1
Q: Preparing a flow chart for thesis outline in TeX

user3840I would like to prepare a flow chart for my thesis outline in LaTeX, which looks like the following figure. I was trying to adapt the following code, but I got stuck to arrange C, D and E. I was wondering if anyone could help me? Thank you in advance! Edited: \begin{figure} \centering \begin{tik...

1
Q: Experience Learning in the Mir Yeshiva

user22042Is anyone on this platform a Talmid or Alumnus of the Mir Yeshiva in Jerusalem (and learns/learned under R'Asher Arieli)? If so, I have a few questions: It seems very much like there is no structure there- I'm coming from a yeshiva where everyone has a designated Makom where he Davens, learns, a...

2
Q: Using vegetable peelings to make stock

WendyGI read somewhere you can use vegetable peelings to make a good vegetable stock, I loved this idea of producing even less waste but I have 2 questions. Are there any vegetable peelings I shouldn't use, eg. Butternut Squash has a really hard skin is that okay to use Will I get loads of pesticides...

22:50
1
Q: Source for saying Emes at end of Shema?

AYAL TAAROGI was just learning the Mishna Berura and Aruch Hashulchan on this topic, and one thing that seemed to be strangely taken for granted by the Mishna Berura, without any source for it that I can find, was the individual's (even in a minyan with a Shliach Tzibbur) recitation of the word "Emes" at th...

GIS
GIS
2
Q: Batch replace layer file paths in QGIS

gregI reorganized my shapefiles folders. Now the layer file paths are broken. I have tried the solutions showed in the QGIS User guide (chapter 6.2), but : I dont want to process my layers individually, since there are far too many of them. The "Auto-Find" in the "Handle Unavailable Layers" dialog, ...

23:18
2
Q: How can I heat my buildings without fire in a low-fantasy setting?

SoelIn my low-fantasy setting there is a civilization of blind people living in a very safe and isolated region of the world. Thinking about how this civilization could have developed throughout the centuries I realized that many alternative development paths not requiring sight involve very flammabl...

3
Q: Permutations and combinations question. I thought alot and still can't think of a reason

NandiniThere are n married couples at a party. Each person shakes hand with every person other than her or his spouse. Find the total number of hand-shakes. My method was Total person =2n 1 person can makes handshakes with 2n-2 people , and there are 2n people in the room . Total handshakes= 2n(2n-2) . ...

2
Q: How do you prevent yourself from neglecting scientific accuracy in a sci-fi-fantasy story without telling?

SayamanIn a sci-fi setting, I was told it was important to follow scientific principles to some extent. Neglecting these principles can create confusion and disbelief among readers or viewers. For example, if you're depicting spaceships or advanced technology, I was told it's essential to explain how th...

23:35
1
Q: Does China sell more weapons to Iran or to Saudi Arabia?

FizzInterestingly, China is selling some non-trivial weapons like ballistic missiles to the "traditional US ally" Saudi Arabia. Is it possible to know if China sells more weapons [e.g. in terms of value] to the Saudis than to Iran, in recent times? (I'm aware that publicly available sources may be sk...

Law
Law
1
Q: broker cancelled life insurance policy without authorization

CherylBack in 2018 we had a life insurance policy that was set up in 2007, we were selling our house and buying another, our broker wanted to make sure we were covered as we were taking on a bigger debt. She advised to keep the old policy because it was excellent and take out what she called a top up ...

1
Q: To find genes that don't change in RNA-seq, Deseq2 has altHypothesis="lessAbs". Is there a way to make limma do the same thing for proteomics?

Mary AllenI love that Deseq2 has altHypothesis="lessAbs" !!!!!!! I've used it a ton for RNA-seq. However, now I'm working with mass spect data using limma. Is there a way to make limma do the same thing?

1
Q: How to get second asset in Craft CMS 4?

Nikolay BronskiyIn craft cms 3 we could use this: {{ entry.images[1].url }} But how can I get second asset in Craft CMS 4?

23:56
2
Q: How strict are minimum abstract lengths in submission requirements?

Robert WegnerMy field is mathematics. I am editing a preprint for submission to a journal and one requirement is an abstract length of 150-250 words. I find it quite surprising that there is a minimum length for the abstract. My abstract has 60 words and three statements: The result, the method, and the halfw...


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