I'm currently in the process of porting some Lua code used in a Wiktionary module to JavaScript for an npm package. I can't find anything on whether Lua Modules on Wiktionary (or Wikipedia, which also has them) are released under a license differing from the rest of the content, so I have to assu...
In the abstract index notation of Penrose, indicies serve as placeholders to indicate the type of a tensor field. For example, $X^i$ denotes a vector field. What is the commonly accepted notation for the Lie bracket of two vector fields $X^i$ and $Y^j$?
Clearly, $[X^i, Y^j]^k$ does not work, beca...
I think there was more than one plot line.
One of these was about a group of people inside some bunker. They waited for a mega storm, which creates electronic interference or noise, then these people can take of explosive collars from their necks without activation.
Probably, on other plot line...
I have a table of pictures with labels beside each row. I'd like to to have those labels be vertically aligned with their corresponding image. Every solution I've found and tried has failed. See MWE below
\documentclass{article}
\usepackage{tabularx}
\usepackage{array}
\usepackage{graphicx}
\use...
There are a number of spells that conjure different sorts of vines/thorns (Entangle, Thorn Whip, Spike Growth, etc). Can these be destroyed by blades or fire? Does it make any difference whether the fire is magical or nonmagical?
The "Objects" section of the Dungeon Master's Guide (p. 246-247) g...
I have a large file in a CSV or excel format and want to convert the Lat longs into Northings and Eastings in order to then put them into ArcGIS Desktop and convert those Northings and Eastings into a custom UTM coordinate system, here is the file.
https://data.edmonton.ca/City-Administration/Pro...
I had to remove a relatively large section of the drywall, approximately 24x24 inches. There are two metal studs at the sides.
Should I try to cut out so both the existing and the new drywall will touch half of the metal stud on each side? And put in screws on both sides? Or there is a more clev...
How to say "just a precision" properly in English? By "just a precision", I mean: I said statement X, but I would like to add a statement Y which refines statement X (= make it more precise). Statement Y is typically done sometime after, e.g. statement X was made in one email and statement Y was ...
I have a bunch of existing values for picklist and now we want to make the picklist as restricted picklist. Some of the records may contain values which are not in the restricted picklist.
I initially thought that by making a picklist restricted it wouldnt allow save of the record if it had a ba...
I'm trying to show that $\vec{f}: D \to R, \vec{f}(r, \varphi)=
\begin{pmatrix}r\cos(\varphi)\\ r\sin(\varphi)\end{pmatrix}
$ is a homeomorphism, with $D = \{(r, \varphi) \in \mathbb{R^2}|r\in[1,2], \varphi \in [o, \frac{\pi}{2}]\}$ and on the other hand with $R = \{(x,y) \in \mathbb{R^2}|y\geq ...
Introduction:
Ever used Dropbox with some other people and you both modified the same file? Ever had a multi-user application with a relational database, and two people were modifying (or worse, one was deleting and the other modifying) the same object? Well, let's simulate that with this challe...
By laziness and convenience I integrated quite a lot of data from a partner in an unrestricted numeric type in my PostgreSQL database.
However it now seems that depending of different shipments from this partner the scale of the numeric varies from zero to over 20 decimal places (or scale) which...
Lightning has pre-defined icons for the various standard object types (e.g. Account has the big and small buildings icon) and seems to allow you to associate an icon with a custom object by creating a custom object tab for the given object type.
I am looking for a way to programmatically access ...
I’m currently in Poland for a conference, and I had the idea to bring some żubrówka (bison-grass vodka) back home to the United States with me as a unique souvenir. However, the Wikipedia page linked above says that importation of this spirit into the USA is not allowed due to its coumarin conten...
In Greece, where I am from, we don't have bicycles as a means of going to work, like for example in Germany (what a paradox given the weather!), the country I visit now.
So, there are bicycle lanes on the pavement, to the side of the street. When the bus stops, you disembark right in a bicycle l...
I have created a Publisher Script using Paho MQTT JavaScript API which publishes values to two topics MyHome/Temp and MyHome/Hum. The script is running successfully and publishing data to CloudMQTT broker. In my Subscriber script I have subscribed to these two topics and printing them in Console...
This film starts with a mom with her son getting ready for school he leaves and she takes drugs, then she collapses outside, the woman wakes pregnant and strapped to a bed.
She frees herself, finds quarantine curtains around the bed of a guy in the room with no memory, and a dead guard in a room...
I found a Craigslist posting selling what looks to be a wonderfully maintained vehicle for low miles and a very low price.
I contacted the seller and she responded with this. I've omitted personally identifying details.
First of all I want to thank you for your interest in my 2009 Honda Civi...
if I put a unopened bottle of soda water in refrigerator and decide 2 weeks later that there is not enough room so I store it in a cabinet outside the refrig. Will it loose its bubbly taste and carbon dioxide??
I read this definition of "desk dictionary"
an abridged dictionary of a size convenient to hold in the hand.
I think it should be clear from the name itself that it is a type of dictionary which is supposed to be read on a desk and therefore be heavy. So how come it be abridged? And if I wa...
Sitecore Version: 9.0.2
Environment: Azure PaaS CD
We are trying to call /api/sitecore/controller/actionname with AJAX. It's working on the CM server but not on the CD server.
I disabled custom errors and removed HTTP error configuration in web.config, but it still redirects to the custom 404 ...
I need to solder together some wires which will eventually run at about five kV, and I'm trying to figure out the best way to insulate the exposed leads. Heat shrink (my usual go-to) is apparently not rated above about 600 V. Kapton seems to be rated much higher (100's of kV/mm), so I am thinki...
Super Smash Bros. Ultimate for the Nintendo Switch allows you to customize your controls.
Under "Other Settings" there is an option for Stick Sensitivity:
Stick Sensitivity: Low | Normal | High
Change how much speed is needed to perform a stick flick.
What exactly does this Stick S...
If $f$ is from positive integers to positive integers and satisfies
$f(m f(n)) = n f(m)$ then find the minimum possible value of $f(2007)$.
My work so far:
Suppose $f(1) = k \neq 1$.
Then consider $f(f(2)) = 2f(1) = 2k$.
$f(2) = f(2f(1)) = f(2k),$
$f(f(2)) = 2k,$ but the above also implies th...
I'm trying to decipher the Proprietary Rights section of a contract I've been asked to sign. Does "in the course of providing services" mean "during the same time as providing services" or "for the purpose of providing services" or something else?
I ask because I am a programmer who will be wor...
In the logisitic regression chapter of "Data Analysis Using Regression and
Multilevel/Hierarchical Models" by Gelman and Hill, The "Divide by 4" rule is presented to approximate average marginal effects.
Essentially, dividing the estimated log-odds ratio gives the maximum slope (or the maximum...
Say you have an org file with several code blocks like the one below:
#+BEGIN_SRC jupyter-python :session py :results silent :async yes
stuff
more stuff
even more stuff
#+END_SRC
Question: Is there any function that would clear the contents of all code blocks, while leaving the code block decl...
Advanced beginner here,
Going through some vocabulary flash cards and I’ve come across this sentence:
かれは私{わたし}の方{ほう}を見{み}ました。
I don’t understand why ほう is necessary here. It appears to me to be superfluous. Any clarification would be appreciated.
How can I write guarded code that invokes the CATCH code block in every expected* case (without doing funky junk like wrapping everything in dynamic SQL)?
For example, this does not work:
Define a SQL Agent job with no steps
Try to start the job inside a TRY/CATCH
BEGIN TRY
EXEC msdb.dbo....
I am trying to create a dashed line that initially has small dashes and large gaps between each dash. The dashes lengths should increase while the gaps decrease until the point is reached that the line becomes solid. Is there any way to do this other than manually drawing in the line lengths?
I need to convert a regular MEDIUM size STEEL mailbox with only one streetside entry door to place mail in & to take mail out. I'm trying to figure out how to remove the backside of the mailbox so I can add a rear door facing the sidewalk.
So far I've had no luck finding a MEDIUM size steel m...
Given the quotient ring $R:=\mathbb{C}[x,y,z]/(xy-z^2)$, I've to check whether it's a field or an integral domain.
I'd say that $R$ is a field and an integral domain because $(xy-z^²)$ is irreducible in $\mathbb{C}[x,y,z]$ (Eisenstein with $x \in \mathbb{C}[x,y][z]$).
However I know that $R$...
I am trying to create this kind of enumeration for the various equations of my book, similar, as this image:
My MWE is:
\documentclass{book}
\usepackage{mathtools}
\usepackage{newtxtext}
\usepackage{newtxmath}
\PassOptionsToPackage{svgnames, dvipsnames, table, x11names}{xcolor}
\usepackage{ti...
My girlfriend currently works as an intern in California on a J-1 visa. The internship (and thus the visa) ends Jan 31 next year.
If she were to quit her job before the end of the internship, what would happen to her immigration status? Does it depend on the action of her employer?
More specifi...
The rule for addition is stated in the Peano axioms as:
$a + 0 = a$
$a + succ(b) = succ(a + b)$
But why couldn't we define it as
$a + 0 = a$
$a + succ(b) = succ(a) + b$
for example $3 + 4 = 4 + 3 = 5 + 2 = 6 + 1 = 7 + 0 = 7$
What makes the usual definition the preferred one?
I'm a Russian citizen, currently studying in Canada traveling to Russia and have 16 hrs layover in Tokyo Narita. I know that I will need a transit visa. My question is if anyone knows how much the application for transit visa costs if I'll be applying in Canada?
I am writing a short story about an overworked planet whose civilization has achieved space elevators and orbital rings.
The planet, which is earth-sized, has three complete orbital rings in stable orbit, each one 200 meters in width, which is about an eighth of a mile.
The sole purpose of the ...
You guys have proven to be quite capable chess detectives.
So here is one more mystery for you to solve:
What was White's last move?
Coding challenge:
Convert a given long URL into a Tiny URL. The length of this Tiny URL
should be fixed and the same for all URLs. You should return the full
URL if given a shortened URL.
I am aware this code is technically flawed as there will be clashes owing to the limitations of the...
single cryptic crossword clue.
Sofa besmirched with urine? Nasty [9]
This was a clue in a recent cryptic puzzle I saw in a newspaper. I reproduce it here as I thought it might be of interest.
$I.$ For every $4$ paces taken by the tiger, the leopard takes $5$ paces.
$II.$ The total length of $10$ paces of the tiger is less than the total length of $9$ paces of the leopard.
The answer can be found using:
$A.$ Only statement I and not II
$B.$ Only statement II and not I
$C.$ Both I ...
I am working on the translation of some strings for an app. I have encountered the following problem:
The English version has the following string: "The person uses the", which is used along with an object to form a sentence, e.g. "The person uses the rope."
I can only translate the string to f...
I have a data frame in R that contains the information about 252 freshman university students.
head(freshmangrad, 10)
graduation_college gradlength
1 BI 1247
2 AE 1247
3 AE 1247
4 EN 1247
5 ...
Need info for a friend.
She has a flight from BOM-MUC-DUB-YYZ. In DUB, the flight will land at terminal 1. Will not be changing terminals because connecting flight is from same terminal.
Can you please tell whether I need transit visa?
The website isn't clear about this part. The airlines sai...
This is the script
user@linux:~$ cat script.sh
#!/bin/bash
for i in `seq $#`
do
echo $i
done
user@linux:~$
Output
user@linux:~$ ./script.sh a b c
1
2
3
user@linux:~$
Desired Output
I would like to get argument value like this .... and not just the number
user@linux:~$ ./script.sh a b...
I have a data set which records the items and how many times the particular item is touched. Since each item is independent and the pick is random, we would expect to see it follow the Poisson distribution.
DT <- data.frame(X = c(paste0("A", 1:78)),
Y = c(rep(6, 13), rep(7, 17 ...
How do I change the text size in the attribute table or the height of the rows in QGIS?
I have created multiselect in system.xml with backend_model and customize afterSave function and return parent::afterSave().
<field id="populatavailablebanknetbanking" translate="label" type="multiselect" sortOrder="30" showInDefault="1" showInWebsite="1" showInStore="1">
<label>Available B...
I saw the code below that someone posted. I'm confused about what it logs. It logs variable a the function, not 200 ?
var a = 1;
(function a() {
a = 200;
console.log(a)
})()
Reading the Digest (6th century, copy of 9th century), I find this sentence:
Sed si plures servum percusserint, utrum omnes quasi occiderint teneantur videamus.
One author who established the text (Mommsen in 1890 approx) transcribed it as an affirmation, then meaning:
But if several pe...
Can my Android phone be anchored or positioned to function as a reading light? I like to sit on my couch and read, with the book on a side table. Pictures 1-2 herefrom, 3 herefrom.
It's obviously too unproductive and wearisome to hold the phone over the book in one hand for hours, as I read ...
According to this document:
The environment variable TERM contains a identifier for the text
window’s capabilities. You can get a detailed list of these
cababilities by using the ‘infocmp’ command, using ‘man 5 terminfo’ as
a reference.
But how is the TERM variable actually used? Say,...
How to use Join in Magento2. i want to get customer_firstname from sales_order table and price , qty_ordered columns from sales_order_item table where sales_order.entity_id=sales_order_item.order_id
Kindly guide me it will be appreciated.
Well sorry if this questions sounds incorrectly asked on this site. This is my first question here and I didnt get where to ask it on stackexchange. Anyway, let me just ask:
Is there any harm involved in keeping copper water bottles in fridege / refrigerator?
Few days back, in summer, I car...
Let's suppose this very basic C# code:
var tab = new int[10];
I have read that non fixed variables can be moved in memory by garbage collector.
My question is: Is it possible that "tab" address change during my program execution ?
I just want to understand.
In fact, no matter if tab value c...
No first prize was awarded at the Sendai International Violin Competition this year.
Unfortunately the article gives no explanation for this, stating only that:
No first prize was awarded at this year’s competition.
I have never heard of this happening before - is there any explanation fo...
Am I missing something? The Engadget article Kia made a tiny Faraday cage to protect your wireless key from thieves says:
Many existing keyless entry systems aren't secure, but few people are likely to replace their cars just to reduce the chances of a determined thief making off with their r...
This answer states parameters were transmitted in real time.
Thus, why was it needed to record them onboard into (perhaps complex) data recorder that are then jettisoned (with a probability of failure for each ejection)?
I think it should have been easier to either only record onboard on data...
In English Oops! is an interjection used to signal that one has (usually to one's own surprise) done something wrong, or that something one was doing didn't succeed as intended.
In German Ups! (pronounced almost the same, albeit often a bit shorter) is used mostly the same way.
Does Esperanto h...
Assume a civilisation with futuristically advanced knowledge of biochemistry. Assume it wants to develop a cybernetic device meant to facilitate the organism's ability to perform high-power activities (anaerobic or borderline anaerobic) for longer than normal.
Would it be plausible for such a ...
(No #include's were used for this example, compiled on MacOS10.14, Eclipse IDE, with g++, options -O0 -g3 -Wall -c -fmessage-length=0)
Assuming this variable declaration:
int (*fun)(int);
This fails to compile with "invalid overload of std::toupper and std::tolower".
fun = (1 ? std::toupper ...
Why "mich"?
Ich kann mich daran gar nicht sattsehen.
Instead of,
Ich kann mir daran gar nicht sattsehen.
The thing I'm looking at is something meant by "daran", so doesn't accusative "mich" make it sound like "I'm looking at myself"?
My confusion comes from a similar construct,
m...
I have a DEM cropped to the extends of a shapefile with different glaciers (see here for data: https://drive.google.com/open?id=1ERFdsqDGLH1a_FbxwawE_gPm0Au0Q9vT).
DEM <- raster("***Glacier_Clip1.tif")
glaciers <- readOGR("***/01_Clipped_Data", "Glacier_Clip_Polygon")
glaciers_sf <- st_as_sf(g...
I know $RANDOM is predictable... But how much? I read about RNGs on wikipedia and $RANDOM function on tldp but it doesn't really explain this result:
$ max=$((6*3600))
$ for f in {1..100000}; do echo $(($RANDOM%max/3600)); done | sort | uniq -c
21787 0
22114 1
21933 2
12157 3
10938 4
...
I mount my server drive through Nautilus as What is a program similar to WinSCP? describes, then how do I cd the directory in Terminal? I don't want to double click a folder again and again.
$Given$:
$A$+$B$+$C$=3
$B$+$C$+$D$=3
$C$+$D$+$E$=1
$D$+$E$+$F$=1
What is
$E$+$F$+$G$=?
Consider having a circuit which consists of a battery and one resistor.
$V = 10$ volts, $R = 5$ ohms, so $I = 2$ Amperes, and
$P = 20$ watts.
If we double the voltage and resistance, the current will be the same and the power will be equal to 40 watts, hence the resistor will be hotter than the...
I wrote some code for removal of polygon holes whose area value is under the hardcoded threshold.
source_g.getFeatures()[0].getGeometry().getPolygons().forEach(function(poly){
if(!(poly.getLinearRings().length<=1))
{
poly.getLinearRings().forEach(function(ring){
if...
I have a spaceship that can get to speeds very close to the speed of light.
How can this ship measure how fast it is going near the speed of light?
I would think one would measure how fast other stars fly by but does this even work if time dilation makes everything faster outside of my frame?
This is Tricky Puzzle That Will Totally Blow Your Brain.
Source with answer:
Note:
if you answer, do it with an explanation.
I am trying to get the .bib info from a DOI, following the guide here.
Basically, I wish to run
curl -LH "Accept: application/x-bibtex" http://dx.doi.org/10.1016/j.algal.2015.04.001
to define an "Accept" header with content "application/x-bibtex".
With Mathematica. I try
URLRead[HTTPReque...
It is unclear. Do they have any written language at all? And if they do, which script do they use for it?
Is there a way to create a material that seems diffuse shader, but can see lights trough it when lights are behind like E.V.E. in Wall-e? I have tried diffuse mixed with gloss and both mixed add to transparent shader, but can see through all sides.
Here a picture of what I want to do.
I want ...
I'm using the following code to kill all the PID's of a certain process, but its not working as expected.
pgrep -f <processname>
kill -9 $(pgrep -f <processname>)
when there are more than one PID, the above line throws error stating :
too many arguments.
Let $V$ be a finite dimensional vector-space over $\mathbb{K}$ and $\phi:V\to V$ a linear transformation with $\phi \circ \phi = \phi$
Show that $\phi$ can have only the eigenvalues $0$ and $1$.
Describe all endomorphisms $\phi : V \to V$ with $\phi \circ \phi = \phi$ that have only ...
Our system uses passwordless login to send user a login code+link per mail by which they can login.
We found one of our customers mail scanner actually clicks those links. We invalidate the login codes on use the reduce the attack surface for an attacker. But now emails delivered do no longer h...
I'm interested in the grayscale image case.
In a sensor there is an array of cavities which collect photons.
Does each cavity count the number of signals(or peaks) generated by each photon or is there one signal which is the sum of all photons (in which case the size of the signal should depend...
Problem:
Placing text under rightarrow without using solutions such as \underbrace.
Minimal Working Example (MWE)
\documentclass{article}
\begin{document}
\noindent \textit{x} = 2 $\Rightarrow$ 2 $\cdot$ 2 $\underbrace{\Rightarrow}_\text{2 = \textit{x}}$ \textit{x} $\cdot$ \textit{x} = 2 $\cdo...
There is need to load a controller rendering from the Razor view.
I'm doing it this way:
@Html.Sitecore().ControllerRendering("Captcha", "GoogleReCaptcha", new { RedisCacheKeyPrefix = "scans_", GoogleReCaptchaValidationMessage = "Please fill up the captcha" })
Here Captcha is the controller na...
If I get an email request to do something, what would be some standard polite replies to the effect of "I've just done it" (what you asked for)?
Would
Lieber X,
habe ich gemacht.
Viele Grüße,
Y
be correct? Would it be too informal or rude?
In order to avoid conflict with file names produced by some code running in multiple instances of Mathematica I append the date and a random string at the end hoping to create a unique filename.
The date is good enough most of the time but the random integer is there for the (unlikely) event th...
Let $G$ be a group. Write $e$ for its neutral element and write $\langle g\rangle$ for the subgroup generated by an element $g \in G$. Assume that $G$ has the following properties:
For all $g\in G\setminus\{e\}$ and $h\in G\setminus \langle g \rangle$ we have $gh \neq hg$.
Property 1. is non-va...
I've been using my grandfather's Seagull DF-1ETM (Chinese equivalent of the Minolta SRT 101) and on some of the photos, the left edge would be under-exposed.
Does anyone know what could be causing this? I don't use a flash, if that helps.
Using the SIunitx package with montserrat package doesn't produce the desired result:
\documentclass{article}
\usepackage[T1]{fontenc}
\usepackage[utf8]{inputenc}
\usepackage[defaultfam,light,scale=0.85]{montserrat}
\usepackage{siunitx}
\sisetup{%
mode = math, % Same error if mode = text is use...
The gemara in Ketubot 72a tells us that women wore special clothes when they were in niddah, and thus all the neighbors would know when a woman was in niddah ("הוחזקה נדה בשכינותיה").
This is even brought down in the Rambam (Hilchos Isurei Biah 1:22) and Shulchan Aruch (Even Haezer 115:2).
Q...
I know that when SQL Server handles an implicit conversion between types it converts the lowest priority one to the highest one.
But what is the result datatype when I perform an operation between decimals with different precisions?
I landed in Paphos Airport in Cyprus and spotted this thing sitting in the sun near the runway. It has small 'wings' sticking out at different angles. What kind of plane is this? (Sorry for the bad photo.)
I've been playing around with elliptic integrals lately and I came across Legendre's relation, relating the complete integrals of the first and second kind, $K(k)$ and $E(k)$ respectively:
$E(k)K(\sqrt{1-k^{2}})+E(\sqrt{1-k^{2}})K(k)-K(k)K(\sqrt{1-k^2})=\frac{\pi}{2}$.
To verify this, I tried p...