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DBA
12:25 AM
8
Q: Index Uniqueness Overhead

SolonotixI've been having an ongoing debate with various developers in my office on the cost of an index, and whether or not uniqueness is beneficial or costly (probably both). The crux of the issue is our competing resources. Background I have previously read a discussion that stated a Unique index is...

 
1
Q: Cisco 3750G - SSH Diffie Hellman Group 1 SHA1 Error

CrakenI recently implemented SSH configuration on my 3750G switch stack. I have -set the domain name -generated the rsa key using 2048 bits -ensured that the vty lines are set to transport input ssh Now I am getting an error from multiple telnet/ssh clients saying more or less the following. I ...

 
12:48 AM
2
Q: Advice for paying off student loans and auto loans now that I have my first 'real' job

birdnerdgirlI'm hoping for some advice on which loans I should focus on paying off first. I'm 28 and just got my first 'real' job about 2 years ago after 8 years of schooling. I've paid off all my credit card debt and can now focus on these loans. Debt/Loans: Unsubsidized Student Loans ($9,000) US $31...

 
RPG
6
Q: Creating a character, is Noble a class or a background?

Matthew HenningI am getting back into D&D after about 15 years. Reading through the Players Handbook it refers to Noble as a class but it is found in the Background section. Super novice question and I apologize, but I am trying to clear up my misunderstanding. Is Noble a class, or a background? Of both? M...

 
5
Q: Did 007 exist before James Bond?

CharlesThis question is inspired by the recent news of Lashana Lynch taking over as 007. Did the 007 position within MI6 begin with James Bond or did he take it over from a previous agent?

 
6
Q: MQTT subscription topic match

PatrickBackground MQTT (Message Queuing Telemetry Transport) is an ISO standard publish-subscribe-based messaging protocol (Wikipedia). Each message has a topic, such as the following examples: myhome/groundfloor/livingroom/temperature USA/California/San Francisco/Silicon Valley 5ff4a2ce-e485-40f4-8...

 
1:20 AM
6
Q: Short story, maybe by Budrys: unpleasant man makes himself conspicuous to attract aliens

Royston NealeShort story about an unpleasant character who claims that he acts the way he does to attract first contact with aliens. At the end of the story contact is made with the aliens and they are captured by government forces. The main character claims that his life and character have led to this mome...

 
TeX
2
Q: How to get bold version of blackboard bold fonts?

Hodor P. BojangletonRight now, I have \mathbb{C} and \boldsymbol{\mathbb{C}} both producing the same character. What package/command do I need to get a bolder character?

 
GIS
2
Q: Remove cardinal direction letters

user145527I want to remove the direction for latitude (N) and Longitude (W) and keep (°) like 52° and -130° in the map. I tried to find in the draw coordinates and format but I haven't found a way yet. I think I have to write a program in custom but I don't know it. Edit: Here the example of the map conta...

 
10
Q: Cauchy reals and Dedekind reals satisfy "the same mathematical theorems"

Kevin BuzzardThe succinct question The conjecture of Birch and Swinnerton-Dyer (to take a random example) mentions L-functions and hence the complex numbers and hence the real numbers (because the complexes are built from the reals). Two naive questions which probably just indicate that I don't understand lo...

 
1:44 AM
1
Q: Why are road bikes (not time trial bikes) used in many triathlons?

EyadI've been watching triathlon videos lately and I couldn't help but notice that, with the exception of Ironman Competitions, only road bikes and not time trial bikes are being used. Is there any reason for that?

 
3
Q: Should I be able to keep my company purchased standing desk when I leave my job?

ConcernedHobbitI may be starting a new position soon, and one thing I've wondered about is whether or not I will be able to keep my standing desk. The reason for my question is that it was purchased by my department for me, with the justification of it being for my health. Currently anyone who desires a standin...

 
2:11 AM
4
Q: Ethical for a company to ask employees to move furniture on the weekend?

surealMy company ( a relatively large company ) recently asked for volunteers to help and move furniture to the new office on the weekend in exchange for free pizza. We are not professional movers but people with white collar jobs who are salaried. Many of us are already on call and work more than 40 h...

 
2:27 AM
2
Q: FPGA CPU's, how to find the max speed?

appmaker1358I'm just getting into FPGA's, and if I understand correctly, you are connecting logic gates together using code. So if I design a CPU in Verilog, it should connect some logic gates together and work, but how do I know how fast my DIY CPU can run? What does it depend on?

 
CS
1
Q: How to make a newfile-function opening the new file in a new frame?

myotisI use Emacs org-mode for note taking during philosophical dialogs. I make one new file for each idea encountered, using this code: (defun myfun-create-note-file() "Doc-string." (interactive) (find-file (format-time-string "C:/Users/myUser/notes/%Y-%m-%d--%H-%M-%S.txt")) (insert "*note...

 
RPG
5
Q: Is the Warlock's Hexblade Curse unaffected by an Antimagic Field?

RykaraThe Hexblade Warlock has the ability to convey a curse on a target with the Hexblade's Curse feature (XGtE, p. 55): Starting at 1st level, as a bonus action, choose one creature you can see within 30 feet of you. The curse ends early if the target dies, you die, or you are incapacitated. The ...

 
2:48 AM
5
Q: Credit card stolen every 1-2 years. What am I doing wrong?

conmanI just had my credit card canceled because of fraud. This is actually a perfectly normal occurrence for me, which is the impetus behind this question. The card in question was only about 1.5 years old, because that is how long it has been since my card was last stolen. Over the past decade I wo...

 
RPG
3:08 AM
8
Q: Is it possible to cast two 9th level spells without taking a long rest in 5e?

Nicky S.The 9th level spell "foresight" says that the spell immediately ends if you cast it on another target before the duration is up. However, the duration is 8 hours, and while I get that you could cast it before the duration was up using the elven 4 hour rest or something like that, is there any way...

 
1
Q: Confusion about a proof of a limit formula

user587126So I am to prove the following formula $$\lim_{x \to 0} \frac{e^x -1}{x} =1$$ Now, I write, $$ \begin{split} \lim_{x \to 0} \frac{e^x -1}{x} &= \lim_{x \to 0} \frac{(1+x+x^2/2!+x^3/3!+...) -1}{x} \\ &= \lim_{x \to 0} \frac{x+x^2/2!+x^3/3!+...}{x} \\ &= \lim_{x \to 0}1+x/2 +x^2/6+...

 
TeX
3:42 AM
3
Q: pgfkeys: .store in constructed macro

meideI'm trying to store a value in a macro that is constructed from the arguments of another macro, but I must be missing something because the macro is not created. MWE: \documentclass{article} \RequirePackage{pgfkeys} \newcommand\zkeys[1]{\pgfkeys{/prefix/.cd,#1}} \newcommand\zsetup[2]{ \z...

 
4:28 AM
3
Q: Capacitor with specific self-resonant frequency?

Britton KerinI have a datasheet that calls for "a 15 pF capacitor with Self-Resonant Frequency in the 1800/1900 MHz range". It then recommends a capacitor (Murata GRM1555C1H150J) that (so far as I can tell) from the datasheet doesn't specify it's SRF. I'd like to use a different, slightly larger SMT capacit...

 
RPG
8
Q: What does it mean to fail a saving throw by 5 or more?

NancyI feel like this should be self-explanatory, but I'm not quite sure how it works. Is it essentially a secondary DC that is 5 less than the initial DC? I can not seem to find an example of it anywhere, so one would be appreciated.

 
3
Q: Is 7000 words too long for a chapter?

EmilyI've been working on a story for the last 4 years. It's just a personal project now and I've gone really in depth to clean up any plot holes I can readily see (thanks Cinemasins). I think I love this story almost as much as I love my boyfriend; it's a fanfiction (not the gross kind, a bringing-ba...

 
4:48 AM
1
Q: Identification of an AC transformer

Michel KeijzersI have a broken Philips alarm clock FM/AM radio broken, so I stripped some parts out of it. One of it seems like an AC converter, but I cannot find any reference/datasheet about it. Do you have any information about this? (or what the meaning of the yellow/green wires are, I assume the black is ...

 
3
Q: Could a planet have a naturally occuring moon at one of its Lagrange points?

FrotzieWould it be possible for a planet to naturally have a moon or large natural satellite at one of its Lagrange points? If so would it then also be able to have a second moon that would be orbiting this hypothetical planet?

 
5:16 AM
2
Q: Is it OK to use personal email ID for faculty job applications or should we use (current) institute's ID

SjaffryI am about a graduate from my university. Will it be OK to use my personal email if I am looking for faculty jobs/postdoc positions. Will it somehow give a negative impact on my application as compared to those who apply through any institution's link?

 
5:26 AM
1
Q: Is there a way to tell what object an 18 digit ID refers to?

JamesI have a huge list of 18 digit ids which either refer to a contact or an account. Is it possible to tell which is which without manually checking them all?

 
5:45 AM
1
Q: How are packets handled and prioritized over a link with multiple VLANS?

user59792So, the question is this. I have a Cisco router with multiple VLANS assigned to a single Gigabit port. 100,200,300, etc. as well as the normal connection without any vlan tagging. Now, everything goes over that one ethernet cable. My question is this, Assuming that you have 4 identical streams...

 
5:56 AM
2
Q: Is the distribution of the ratio of the sample variance to the populaton variance from a normal population exactly or approximately Chi Square?

IstvanThe reason I ask is this: Suppose you draw a large sample from normally distributed population. And just by chance all samples have exactly the same value--not very likely but not impossible either. The sample mean is of course the identical value of each sample drawn. But the sample variance...

 
2
Q: Fastest way to look up an entity with a set of components?

jj232I'm currently trying to implement an ECS system, but I've sort of ran into a problem trying to fetch all of my entities that have a specific set of components. I currently have a Dictionary that maps a component name to a list of Guids (entities), so I have no problem fetching a list of entities ...

 
15
Q: A Difficult Double Sum.

Donald SplutterwitI am seeking a closed-form solution for this double sum: \begin{eqnarray*} \sum_{n=1}^{\infty} \sum_{m=1}^{\infty} \frac{1}{nm(\color{blue}{3}n+m)}= ?. \end{eqnarray*} I will turn it into $3$ tough integrals in a moment. But first I will state some similar results: \begin{eqnarray*} \sum_{n=1...

 
7:00 AM
1
Q: If SWIFT is headquartered in Europe, why does the EU need to create a SWIFT alternative to be able to do transactions with Iran?

blackbirdIf SWIFT is headquartered in Europe, why does the EU need to create a SWIFT alternative to be able to do transactions with Iran? It seems that the U.S. has significant control over SWIFT although there doesn't seem to be a voting process whereby the Americans can exert influence in a formal way. ...

 
RPG
7:29 AM
6
Q: The Wish spell and Repeated Casting Effects

ChronocidalThe spell Wish states: The basic use of this spell is to duplicate any other spell of 8th level or lower. You don't need to meet any requirements in that spell, including costly components. The spell simply takes effect. (Emphasis mine) However, 5th-level Teleportation Circle and 6th-level...

 
7:41 AM
3
Q: Does Intel 8085 CPU uses real memory addresses?

user14630The Intel 8086 CPU uses memory segmentation, which means that when you for example write the value 123 to the memory address 1001, the memory address 1001 will actually gets converted first into another real memory address and then the value 123 will be written to that real memory address. Now I...

 
2
Q: Customize ColorData function

Saesun KimI am trying to customize the color data ColorData["AvocadoColors"] I want to make color data function of the gradient starting from the green to the white instead of the green to the yellow. So I want the output such that, ColorData["MyColorFunction"] Any suggestions?

3
Q: How can I shorten the calculation time effectively?

user21427I try to do a big simulation like below. (However, I do not change the sizes I want to 10 ^ 5, 10 ^ 7, 10 ^ 9.) n = RandomSample[all = Range[10^7], 2*10^5]; r = RandomChoice[all, 10^9]; Total@Table[Count[n, r[[i]]], {i, 1, Length[r]}] However, the calculation takes too long. How can I short...

 
 
1 hour later…
GIS
8:47 AM
1
Q: QGIS edit toggle does not work with ANY layers I bring in (as shp file)

PattyI bring in polygon as Shp files and they display, I can select, all looks well. However the toggle edit is ALWAYS greyed out. If I make a new layer with features in it, the toggle edit is fine. This is with any shp file I've tried from 3 different sources. I am very frustrated as i need toggl...

 
1
Q: What is the meaning of [[:space:]] in bash?

geraldinI just came across a bash script. What does [[:space:]] mean in a bash script? Why the double colon?

 
3
Q: How to say no to more work as a PhD student so I can graduate

user18244So, I am doing a PhD on my 5th year soon. The "understanding" with my advisor is that I need 3 journals accepted to graduate. I think I have enough material (designs/ measurements/ analysis) to write the 3 journals now, but so far have only written one. In a normal situation, my next step would b...

 
Law
1
Q: Will a contempt of congress lawsuit actually reach the merits?

NonPartisanObservorHypothetical Scenario: Kellyanne Conway is subpoenaed by the House Oversight committee for Hatch Act violations. Conway appears but tells the chairman that he is a fraudulent partisan grandstander, a disgrace to Congress and is carrying out a ridiculous preposterous hearing that she feels is abso...

 
9:07 AM
1
Q: Do I need a 50/60Hz notch filter for battery powered devices?

GeorgeGiven that battery powered devices are not plugged in the mains power, can I assume that there will be no 50/60 Hz frequency noise? This question came up while thinking about what the circuit for a portable ECG monitor would look like and it seemed obvious that the 50 Hz notch filter could be el...

 
IOT
9:57 AM
2
Q: How to send continuous data from a few ESP8266 to a webserver?

NumLockI am new to ESP8266 boards and IoT programming and I don't know how to describe better what I want to do without a picture. Question: How to send continuous data from 4 esp8266 WiFi clients to a webpage or to an application which handles all of them in parallel without introducing noticeable d...

 
3
Q: Using an app purchased on home Apple ID on Mac using a work Apple ID

jtobisonI want to purchase Final Cut Pro on my home computer Apple ID, but then use it on my work computer, which is normally logged into a separate work only Apple ID. How can I do that?

 
10:14 AM
1
Q: Can an Office 365 Group be connected to more than one site collection simultaneously?

butterchaosI understand that Groups can only connect to top-level site collections. Can a Group be connected to more than one site collection at the same time or is it always a one-to-one relationship between a Group and a site?

 
10:38 AM
2
Q: Get back to US from Canada without passport

LaurenceIm 18, never had a passport, and crossed US-Canada Border last month by car using my Vermont Enhanced Drivers License. My plan was to drive to Alaska and fly home from there, but an unexpected family event requires me to prematurely go back to the US in one week and I am too far from the US borde...

 
10:52 AM
1
Q: What "fuel more powerful than anything the West (had) in stock" put Laika in orbit aboard Sputnik 2?

uhohThe BBC World Service Radio Witness History podcast Laika, the first dog in space contains a short audio clips from some vintage 1950's British news. At 02:30 in a recording replete with exciting music in the background is heard to say: Sputnik the second has been launched. A multi-stage rock...

 
11:06 AM
2
Q: Does ionization process release energy?

Cang YeDoes ionization process release energy? In the case of helium atoms, to ionize the first electron, energy is injected, which is 24.59 eV of the experimental results. Will helium emit energy in the process? After the first electron is released, the second electron will automatically change its o...

 
ELL
11:24 AM
2
Q: What is the word for "event executor"?

Chen Li YongIf a company runs a service as "one who arranges, holds, and executes planned events", what's the term of it? "Events executor" seems a rather grim name, "Events arranger" seems lack of fume because what the company does is more than just arrange for the event. They basically oversee the whole th...

 
4
Q: Three Consecutive Squares

Leonard EulerProve that it is impossible for three consecutive squares to sum to another perfect square. I have tried for the three numbers $x-1$, $x$, and $x+1$.

 
11:46 AM
3
Q: Sankhara meditation

Guest5Could someone explain to me how to meditate in order to see how the sankharas can be manipulated and changed so to not feel that the current situation is fixed and a must and helpless. I read somewhere that this was possible and in my personal practice that would be really helpful. From what I ha...

 
RPG
12:08 PM
6
Q: Can a dragon's breath weapon pass through Leomund's Tiny Hut?

ConfusedDMLeomund's tiny hut can protect against magic, objects, and creatures from entering. A dragon's breath weapon is not considered magical, but has to be an object at least - which should be blocked by the hut. Sage Advice, however, rules that a dragon's breath can pass through the hut. I typically...

 
12:29 PM
5
Q: When I read a book about graph theory , I found the four color theorem and this question about a infinite graph arose

Alex andreyLet $G$ be a graph whose vertices are the natural numbers and where $n$ and $m$ are joined by an edge if and only if $\lvert m - n \rvert$ It is a prime number. Can you color $G$ with a finite number of colors? I managed to paint 40 vertices with 9 colors and it seems to stabilize, but I could n...

 
12:59 PM
4
Q: Did Voldemort kill his father before finding out about Horcruxes?

ChrisIn the Half Blood Prince and Harrys time in the pensieve, he saw the young Tom Riddle with Professor Slughorn. The book states that Tom was already wearing Marvolo Gaunts ring indicating he had already killed his father. Yet in the pensieve, Tom was asking Slughorn how a horcrux is made which als...

 
1:43 PM
1
Q: When did the US colonies/states stop making their own currencies?

VillageThis article about the https://en.wikipedia.org/wiki/United_States_dollar#History shows that some of the colonies had their own currencies. It seems from the article that the dollar was around concurrently with the other colony's currencies. At what point in time did all of the colonies or states...

 
2:01 PM
4
Q: Drawing finite-state automata without using VertexRenderingFunction

ShyPersonIn the tutorial entitled "Hierarchical Drawing of Directed Graphs" in Mathematica 12, there is an example of how to draw a graph with several properties I want, but it uses an option called VertexRenderingFunction which is superseded by VertexShapeFunction: LayeredGraphPlot[{1 -> 2, 2 -> 3, 3 ->...

 
2:36 PM
6
Q: Why does "git status" show I'm on the master branch and "git branch" does not?

GOVarneyI'm trying to automate a process and issue the git branch command to find out what branch I am on. Everything is working fine except for a newly initialized repo where git branch returns nothing. Given I've done nothing with the repo, not even the initial commit, I can accept the answer. However,...

 
3
Q: What happens if there is no space for entry stamp in the passport for US visa?

SohamI hold an Indian passport and have an F-1 Visa (multiple entry) for USA. I applied for a Schengen visa and it got approved but the Italian consulate has affixed the schengen visa sticker in a page which comes before my US Visa. For example, my US Visa sticker is in page 20 while my Schengen Visa...

 
1
Q: Obtaining SUM('field') in PHP code

MarassaCan't figure out how to construct a query to obtain a sum of a field programmatically. The folowing code works fine for counts: $count = Drupal::entityQuery('node') ->condition('type', 'artefacts') ->condition('status', '1') ->condition('default_langcode', 1) ->condition('field_city', $i...

 
3:00 PM
2
Q: How to use function $_GET in Magbento 2?

Michael TaoI have below code in phtml 1: <?php $itemid = $item->getItemId() ?> <a href="<?php echo $this->getUrl('history/customer/detail', ['item_id' =>$itemid]); ?>">Product Detail </a> How can I get variable $itemid with using function $_GET in phtml 2. Can anyone show me? Thanks.

 
4
Q: SObject isSet function

user2610036This is a question about the isSet function on SObjects. Even though the documentation says it has a void type, it really is a boolean. The sample in documentation provided is quite simple and works fine: Contact c = new Contact(LastName = 'Joyce'); System.assertEquals(true, c.isSet('LastName'...

 
3:17 PM
posted on July 16, 2019

From Greenonline and tagged as printer-building,power-supply,fuses

 
2
Q: Are extended chords assumed to have each extended interval below it and a 7th?

コナーゲティFor instance, is a 13th chord assumed to have an 11th, 9th, 7th, 5th and 3rd along with it unless otherwise noted? And a 9th is assumed to have a 7th along with the triad, an 11th is assumed to have a 9th, 7th, etc.?

 
RPG
4
Q: How fast does a character need to move to be effectively invisible?

Laurens WolfOne of my players wants his monk to reach blinding speed like Rock Lee from Naruto. He is so fast he's invisible when he moves between attacks, like the character in this video after he takes off his weights. I worked it out with him that reaching this kind of speed will not increase his damage...

 
6
Q: Bone Decomposition

Sarah EllenI'm writing a story taking place in the semi-recent aftermath of a period of Human-Dragon warfare. The main character falls into a pit used during this period by dragons to trap/store/dump prey (humans). For aesthetic purposes I'd like there to still be recognizable human bones, possibly still ...

 
6
Q: Approximation of $x!$

RobI have discovered a new formula that approximates the factorial function. It is more accurate than Stirling’s approximation. How do I go about publishing it and receive the credit for it?

 
3
Q: What details should I consider before agreeing for part of my salary to be 'retained' by employer?

AnkitIn a recent peer review I was asked if I was willing to allow company to 'retain' part off my salary. The exact percentage was not revealed. They used the word 'retain' although they pressed that this is not related to my performance. Some context about the company: it is a start up and I have...

 
Ham
3:39 PM
3
Q: Why is my calculation for added length of coax for a double cross antenna different to everyone else's?

zephI'm an amateur amateur radio enthusiast finally building my own antenna, and have decided on a double cross antenna, with the goal of pulling data from NOAA satellites. Four coax cables, two of length x, and two of length x+λ/4. For 137 MHz, the wavelength is ~218.8cm, and a quarter of that is ...

 
1
Q: License validity of unreleased project

nehalistFor educational purposes I've open sourced my blog on GitHub (https://github.com/nehalist/nehalist.io), which is based on a fork of an MIT licensed repo (https://github.com/gatsbyjs/gatsby-starter-default). I haven't changed the license until I released version 1.0. With this release I switched ...

 
3:59 PM
3
Q: Intel 8080-based home computers

CactusI'd like to build an FPGA replica of a home computer based on the Intel 8080. I am not looking to design my own computer, since I would like to tap into an existing software base. Were there any Intel 8080 based home computers? To clarify, I would like something that meets the following criter...

 
4:10 PM
6
Q: Interviewing with an unmentioned 9 months of sick leave taken during a job

ThisMachineI was successfully working as a developer at a Company X when I got cancer. Treatments and side effects resulted in a sick leave of around 9-10 months. The company welcomed me back and I continued working there until I changed jobs and now work for a different company. There is an issue that kee...

 
12
Q: What happens on Day 6?

SidMy friend, who works in a Library, has recently learned about Puzzles, in general, and Puzzling Stack Exchange, in particular. He was excited and has sent me this puzzle to "test" the users of PSE. Can you rise to the occasion and explain what happens on Day 6 and where it happens? Day 1: Cop...

 
4:35 PM
2
Q: What powers the air required for pneumatic brakes in aircraft?

securitydude5What powers the air required for pneumatic brakes in large airliner aircraft? Is it bled from the engines, or do they have a separate motor and pump?

 
4:58 PM
8
Q: Fantasy Story About A Boy And Girl That Enter A Fantasy World Pre-1994

musefulThis was read pre-1994 (most likely pre 1990). I do not know if it was old or new. It was a novel but most likely under 60,000 words -- so probably read by 7th, 8th or 9th graders. It felt like a quick read. It is possible that I could be mixing a few different stories today, but... I specific...

 
3
Q: How to remove the first colon ':' from a timestamp?

Manoj KumarI am new to programming!! Can anyone help to remove the : at the first position in a timestamp: :29.06.2019 23:03:17 Presently I am trying to do it using awk/cut commands as shown below: TDS="$(grep 'Logfile started' process.log | awk '{print $3,$4}' | cut -d: -f2)" echo "$TDS" 29.06.2019 2...

 
5:10 PM
7
Q: Who should pay for accidental damage to private work equipment?

raznagulSeveral years ago I purchased a mouse with my own money to use for work because I can't stand using a cheap mouse all day. Yesterday, a colleague accidentally spilled my own glass of water over the mouse and it stopped working during a meeting at my desk. Who should pay for an adequate replacem...

 
5:25 PM
6
Q: Is Landau&Lifshitz's argument for the classical Lagrangian's symmetries too strict?

HeatherfieldI realize that this paragraph has raised more questions on stackexchange, but I wanted to ask this question nevertheless since I want to discuss it in terms of a counter-example. I’ve already completed a course in classical mechanics following the first part of Goldstein (that is, elementary Lag...

 
3
Q: Investing 30k Euro as a student with basic financial knowledge but lack of time

FlyI'm 20 years old and I have saved about 30,000 Euros. I'm a student with 2 years of studies left. A big part of my studies is business, including finance, at a reputable school. Because of this, I should have a foundational knowledge, allowing me to "smartly" invest this money in the stock ...

 
2
Q: Adobe Illustrator: how to reset viewing angle with Astute Graphics plugins installed?

Developers PediaEverything on my artboard is rotated and don't know how to fix that. I've just installed Astute Graphics plugins and after 3 hours of using Illustrator, this is happening.

 
5:46 PM
1
Q: Why enthalpy changes in phase transition when there is no change of temperature?

Yahel AbrahamWhy there is a change in enthalpy in phase transition? I'm asking because enthalpy depends only on temperature: $$\mathrm dH = C_p\,\mathrm dT,$$ and the change in temperature is $\mathrm dT = 0.$

 
1
Q: How to do swap casting in Diablo 2?

Paul ErlenmeyerThere is a bug where you can use a skill with the casting animation of another skill. For example you can cast chain lightining with the animation of a frost bolt or a fire ball. With paladin you can use charge with the animation of holy hammer. This is usually done in speedruns. How to do swap ...

 
5
Q: Bracket symbol added to G clef

brian-ammonWhat does the symbol mean that is added to the clef in the Tenor voice in Poulenc’s Mass in G Major? It has a similar shape to an old C clef, but it is added to the existing G clef.

 
8
Q: Did someone ever see this puzzle? Do you have a solution?

Alex Almasy Hello everybody, Has anyone ever seen something like this? I don’t even know what I should do with the puzzle... Any suggestion or help is welcome!

 
TeX
6:02 PM
3
Q: Adjusting vertical spacing in fractions?

user1362373Consider the following MWE: \documentclass{article} \usepackage{amsmath} \begin{document} \begin{equation*} t = \frac{\dfrac{T_1}{T_2}}{1+\dfrac{Q_1}{Q_2}} \end{equation*} \end{document} It produces: For my taste, the vertical spacing above and below the fraction line is too small. I'm awa...

 
6:18 PM
9
Q: How to ask my office to remove the pride decorations without appearing anti-LGBTQ?

johstoneFirst, for clarification, I am not anti-LGBTQ. My office has taken part in the Pride Month, which is celebrated throughout the UK in June every year. The month celebrations end in a large Pride march in London (this year, it was on the 6th of July). In the office there were usual talks and gath...

 
RPG
8
Q: Does Invulnerability protect me from Warding Bond damage?

ElvenisAs a Wizard, I can cast Invulnerability on myself, which states: You are immune to all damage until the spell ends. Now, if I cast Warding bond do I suffer the reflected damage when the warded creature takes damage? Further information about my build: I intend to go for a 3 cleric (temp...

 
2
Q: How to get rid of the rainforest for a desert moon with only habitable poles?

TheDyingOfLightI wanna build a habitable desertworld which is a gas giant moon. The desired and already semi-fixed parameters are: mass between 0.4 and 0.25 Earth-masses only 10 to 30 percent global ocean cover, water is mostly near the poles orbits a 13,1 jupiter-mass warm superjovian extensive vulcanism and...

 
6:41 PM
2
Q: How to delete certain lists from a nested list?

Xuemei GuI have a nested list as the following example (want to remove lists with same or incremented elements such as {1,2,3,4,5}, {2,2,2,2,2}, {1,1,1,1,1}): test={{1,2,3,4,5}, {1,1,1,1,1}, {2,4,6,8,10}, {2,2,2,2,2}, {3,5,2,4,8}}; test1=DeleteCases[test,{1,2,3,4,5}]; test1=DeleteCases[test1,{1,1,1,1,1}]...

 
3
Q: What is the goal and toolset of philosophy?

user40358I'm beginning to realize that I might have misconseptions about philosophy in general. Is it to question and contend indefinitely or is there a goal? I thought the goal was truth. While I'm at it, also what is the "philosophical toolkit"? I thought the tool was logic. It's confusing. We te...

 
TeX
3
Q: Add a line in a table plot with tikz

usernumberI am plotting data with pgfplots. I would like to add a line to this plot. My code is as follows \documentclass{article} \usepackage{pgfplots} \usepackage{tikz} \begin{document} \begin{tikzpicture} \begin{axis}[] \addplot table { 0 90 1 72 2 57 24 -43 25 -26 26 0 27 0 }; \end{axis} \e...

 
1
Q: How should the player unlock things?

user3491043Imagine a mobile phone game that is meant to be played in short sessions (5-10 mins), you can choose one out of many characters and each characters slightly alters the way the game plays. those characters are all locked and have to be unlocked by purchasing with in-game money. Should the player...

 
3
Q: Foldable, multipart helicopter blades

EthWhat would it take to build helicopter blades that can fold in several parts? This is the continuation of a question on Aviation. Unfortunately, there have been no use case for this for existing helicopters, so no-one has spent millions trying to work out if it was possible, let alone how to do ...

 
6:59 PM
5
Q: Science Fiction Novel with the Word Diamond in the Title

musefulThis is a book that is probably more than 20 years old. It would be pre-2000 (most likely). It has diamond in the title (I believe). I also think of the word satellite or space station. It has two political groups that are against each other or at least at odds with each other. There is an arr...

 
6
Q: Why is Katakana not pronounced Katagana?

KanturaI am a beginner in Japanese and I've noticed that when two words are compounded into one word the first letter of the second word changes. hira + kana = hiragana ko + hayashi = kobayashi ori + kami = origami This pattern would imply that the word Katakana should be Katagana. Any ideas as to ...

 
2
Q: Why is Serial.write() slower than memcpy()?

Maci0503I use Serial.write() to transmit 53 bytes to PC. For the time measurement I use micros() (before and after the write function). There is a delay of 1s after each transmission. The time of the Serial.write() function is 532 us with 1000000 baud rate, and 360 us with 9600 baud rate. The Serial.wr...

 
1
Q: Finding the package which provides a given command

August KarlstromIf the package command-not-found is installed and a user tries to run a command which is not present on the system, a suggestion is printed with the name of the package which provides the executable. Is there a command with the same functionality but which takes the name of an executable as an ar...

 
DIY
1
Q: Can I remove the doors before installing a sliding patio doors frame?

MiniMeDue to bad timing I won't have anybody to help me with this other than my wife. In order to make it easier I would like to remove the doors before putting the frame in position, then put back either one door or both and make sure everything is square level and plumb at which point I am going to p...

 
7:23 PM
2
Q: Saving a blueberry bush that lost all leaves

deemelEarlier this year I bought a small blueberry bush at a local garden store. Since it was written on the attached note that it can grow in a pot on the balcony without a problem, I bought bigger pot, some recommended soil (I used 'rhododendron soil' with a pH value of 4.6) for it and planted it the...

 
5
Q: How can I find what program is preventing my Mac from going to sleep?

TorBroMy Mac is set to go to sleep after 5 mins of inactivity, and typically this works fine. But every week or so I find that my Mac no longer goes to sleep and nothing I have tried stops this behavior. So far I have tried: resetting the SMC and NVRAM a number of times starting up in Safe Mode chec...

 
3
Q: Is straight-up writing someone's opinions telling?

A. KvåleWhen I first learned about the "tell don't show" guideline, I believe it applied to everything. I have now learned there are many grey areas, like for example exposition, and that the most important thing to remember is that emotions must be shown, not told. So, what about opinions? Attitudes p...

 
7:59 PM
3
Q: (Piano) is the purpose of sheet music to be played along to? Or a guide for learning and reference during playing?

KentGeekWhen I'm learning new songs on piano (about to take grade 1 for an idea of where I'm at) I use the music to learn what notes to play. Once I've learnt the song, I tend to no longer be so much aware of what the notes specifically are, but use the music for a more general feel of the music. Ther...

 
8:14 PM
2
Q: How to determine the optimal threshold to achieve the highest accuracy

ShakI have a list of probabilities outputted by a classifier on a balanced dataset. The metric I want to maximize is accuracy ($\frac{TP+TN}{P+N}$). Is there a way to calculate the best threshold (without iterating over many threshold values an selecting the best one), given the probabilities and the...

 
8:24 PM
2
Q: with and without sharing with innerclass

SparadraxI'm working on a project that needs to change a lot of data that the user shouldn't see in the backoffice. So I'm wondering if I should put my entire class "without sharing". For now I'm creating a "without sharing" inner class for each class, but each soql part is in this part, because the user...

 
8:56 PM
1
Q: More output neurons than labels?

Abdulrahman BresWhen we train a neural network model for a classification problem, we usually have a dense output layer of size equal to the number of labels we have. If the layer size was greater, the model can still be trained and have output How can we interpret such output? are there any applications for t...

 
RPG
9:07 PM
6
Q: What advantages do focused Arrows of Slaying have over more generic ones?

ZomaI was looking at the arrow of slaying magic item and part of it intrigued me (bold for emphasis mine): Some are more focused than others; for example, there are both arrows of dragon slaying and arrows of blue dragon slaying. Is there any mechanical benefit from having a more focused arrow?...

 
7
Q: How Efficient Could Anaerobic Megafauna Be?

vicky_molokhObviously, if available, atmospheric oxygen is a great source of energy. However, I'm surely not the first worldbuilder who wants an alien species which doesn't depend on it (whether due to having evolved on a largely oxygenless planet, or because of bioengineering that happened once the civilisa...

 
2
Q: Unix chat server making communication between terminals possible

TVSuchtyThis Server handles clients communicating with each other. Because I was not willing to actually give every client a name, they are named by their socket's file descriptor. This is my first application which actually is able to communicate using the INET. It is also my first really multithreaded ...

 
2
Q: Kepler space telescope planets detection

G griffoThe Kepler space telescope detects planets base off the dip in brightness caused by planets moving past the star, wouldn’t that mean that there is an unknown amount of planets that orbit a way that wouldn’t be detected because it’s orbit doesn’t cross that path between the star and the telescope?

 
9:35 PM
2
Q: Alphanumeric Line and Curve Counting

bigyihsuanGiven an input string, write a program that outputs the total number of lines and curves it has. The Challenge Take input from STDIN, or any other input method. Output to STDOUT, or any other output method, the total number of lines and curves contained in the string, in that order, based on t...

 
GIS
9:45 PM
2
Q: Returning strings showing all vertices from all polygons in shapefile using ArcPy?

GiacomoI want to have a string showing all vertices from all polygons in a shapefile. In my example below my code lists all vertices and the first column shows the polygon they are part of (I only have 2 in this example) import arcpy fc=r'D:\GIS Data\TOOLS\EV calc in Python\Data.gdb\PolyWGS84' myList ...

 
2
Q: How is tofu "processed"?

aslisabanciTofu is considered as a processed food. After watching a couple videos on YouTube. I am only concerned about two points specifically: Is heating the soaked and crushed beans so that they become a paste harmful? As sometimes high heat can harm a food product. I don't know about the coagulant t...

 
5
Q: How can I leave a car for someone if we can't meet in person?

Joshua FrankI'm doing a house swap with another family, and as part of the logistics, at a certain point I have to leave my car for them, and they will pick it up a few days later. This happens to be in Newark, NJ, but the problem is pretty general. We can't meet in advance to exchange keys, and I don't hav...

 
4
Q: How Can I Process Untrusted Data Sources Securely?

Stuart HHere is the conundrum: At my current company, we process physical discs from numerous third party sources and extract the data from them to ingest to our own system. While we can generally trust the sources, we don't want to run the risk of introducing any form of malware in to our internal netwo...

 
10:01 PM
1
Q: different secret keys yield the same public key?

neuberthttps://tools.ietf.org/html/draft-josefsson-tls-curve25519-06#appendix-A.2 gives the following as a secret key / public key combo: S_a = 0x6A2CB91DA5FB77B12A99C0EB872F4CDF 4566B25172C1163C7DA518730A6D0770 P_a = 85 20 F0 09 89 30 A7 54 74 8B 7D DC B4 3E F7 5A ...

 
10:24 PM
1
Q: Data Filters and Measures Error for Unique Opens

G SI am having an error when trying to implement a data filter using a measure I created. I am implementing this filter to create a filtered data extension. Here are the details: I am using a data extension with about 133,000 records and I am trying to create a filtered data extension of just the c...

 
CS
1
Q: Alternator dying so junk car?

InfinitelyfocusedThe alternator store rounded the bolt on my alternator so I can’t get it off my 2004 g35x. I changed the belts (there are two one for ac and one for alternator) since I did that the car has a voltage when in park of approx 14Vdc if I turn the ac on it can maintain around 13.9v to 14v however that...

 
6
Q: Cine footage fron Saturn V launch's

aureliusHow did they recover the film showing the separation of the S II stage from the S 1C and the tumbling interstage faring which attached the two stages. The camera which is attached to the S II has a view pointing down showing the sequence yet by all the information I have come across says the S II...

 
1
Q: Is it insecure to not let a user choose their own username, and base the username on a known pattern?

DarrenI have recently changed banks and my new bank has a benefit scheme (discounts etc.) that has its own website and different login details to my online banking (I think the benefits system is administered by a third-party). They are clearly storing passwords in plain text and there's no ability to...

 
RPG
11:06 PM
3
Q: Is the Gritty Realism variant incompatible with dungeon-based adventures?

screamlineThe variant Gritty Realism rule presented in the DMG (see p. 267) changes short rests from 1 hour to 8 hours, and long rests from 8 hours to 7 days. Its description suggests, casually and without elaboration, that [t]his approach encourages the characters to spend time out of the dungeon. I...

 
DIY
3
Q: Snaking a clogged tub drain

John GordonMy tub was draining slowly, so I removed the drain cover stopper and reached down into the drain with needle-nose pliers and extracted a disgusting wad of hair and soap residue, as I have done several times before. However, this time it didn't solve the issue, so I got a drain snake and fed it d...

 
DBA
11:23 PM
1
Q: How do I query for system views in a SQL Server database?

James JenkinsI have some queries that run against Query Store, the view sys.query_store_wait_stats is not in SQL Server 2016, but it is in SQL Server 2017. I want my queries to work in SQL Server 2016 and SQL Server 2017+. To accomplish this I used IF EXISTS as below EXEC sp_query_store_flush_db; SELECT *...

 
11:33 PM
2
Q: Is there a standard way of referencing line numbers in a draft?

thrauI'm reviewing a manuscript with a two column layout that has line numbers on the left margin of the page, but not on the right. Like this: How do I efficiently and effectively reference a particular line in the manuscript? Is there a standard way of doing it? Currently I write "P1 C1 L12" to r...

 
11:51 PM
3
Q: Link of a singularity

japinI would like to understand the topological type of a link of a singularity in a simple example. Consider for instance the cone ${xy-z^2=0}\subset\mathbb{C}^3$. If we set $x = x_1+ix_2, y = y_1+iy_2, z = z_1+iz_2$ then this corresponds to the $4$-dimensional real subvariety of $\mathbb{R}^6$ given...

 
6
Q: How should one refer to knights (& dames) in academic writing?

Matthew McClureIn ordinary English usage, one would refer to a knight called 'Forename Surname' as Sir Forename, not Surname, e.g. Sir Forename is distinguished in ... But in academic writing, one would typically refer to someone as Surname, e.g. Surname (2019) suggests that ... Does that fact that Sir Forenam...

 

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