### 4 Meaning of “a homicide in Palermo is news”

bart-leby yesterday at 10:48. 1 answers, 281 views meaning
“Palermo, in the 1980s, counted a dead person a day, they were so common people were almost used to them. Now, a homicide in Palermo is news,” he says. Source: How the Mafia's Murder of an Italian Prosecutor Became...

### 11 Should pasta be started in cold or boiling water?

Ailia Fatima yesterday at 09:46. 5 answers, 1.154 views temperature pasta
There are two main methods, either putting the strands into water already at boiling point, or putting them in cold water and then putting on the heat. Which method is the best to cook pasta? Does it make a difference...

### 6 Identify Author and whether this X-Men book is canon

BlueMoon93 yesterday at 09:18. 1 answers, 329 views story-identification marvel x-men
A few years ago I got an X-Men book by gift in London. It contains a few scenes from the 3rd X-Men movie, and a small comic where Wolverine and Sabretooth fight each other near a gas pump. Logan realizes...

### 10 “Magic” diamonds for fuel?

Glurth yesterday at 09:03. 2 answers, 620 views science-based physics steampunk
The subterranean nation of Glot has developed the ability to “thermally link” two equally sized diamonds, such that they are always the same temperature, regardless of spatial separation. We can consider this “thermal linking” process “magic” (or sci-fi "thermal quantum...

### 1 Maxima and Minima of Sin(x)/x

Lint yesterday at 08:11. 2 answers, 0 views calculus trigonometry
I am trying to calculate the maximum and minimum points (between $-3\pi$ and $3\pi$) of $$f(x)=\frac{\sin(x)}{x}$$ I have found the derivative of the function and let it equal to zero. $$f'(x)=\frac{x\cos(x) - \sin(x)}{x^2}$$ $$f'(x)=0$$ $$\frac{x\cos(x) - \sin(x)}{x^2}=0$$ $$x\cos(x) - \sin(x)=0$$...

### 4 What happened to my almonds?

I bought some packed almonds and soaked them in the water for about 24 hours. I then removed the water with a sieve, cleaned the bowl and put the almonds back. I covered the bowl with a paper towel and...

### 8 Tikz: Method to color regions

blackened yesterday at 07:51. 2 answers, 204 views tikz-pgf
\begin{document} \begin{tikzpicture} \draw (0, 0) -- (0, 8) -- (8, 8) -- (8, 0) --cycle; \draw (0, 8) -- (8, 4); \draw (0, 0) -- (8, 8); \end{tikzpicture} \end{document} Apart from calculating the intersection point and manually drawing each shape,...

### 18 How to make girlfriend feel better about health and body

DaveThePerson yesterday at 07:50. 7 answers, 1.838 views relationships family how-to-help approach
For context, myself and my girlfriend have been dating for about a year now, and we're really close, especially when it comes to talking things over. We would both describe ourselves as nerds, and would never normally really care too...

### 5 Question on a proof from Jech's Set Theory of: If $X$ is a set of cardinals, then $\sup X$ is a cardinal.

Acid2 yesterday at 07:27. 3 answers, 0 views set-theory cardinals ordinals
The proof: Let $\alpha= \sup X$. If $f$ is a bijective mapping of $\alpha$ onto some $\beta < \alpha$, let $\kappa \in X$ be such that $\beta < \kappa \le \alpha$. Then $|\kappa|=|\{f(\xi): \xi < \kappa\}| \le \beta$, a contradiction....

### 1 changing font color and size has no effect in CKEditor Drupal

Bigfanx yesterday at 07:13. 0 answers, 0 views drupal ckeditor
I am a beginner of Drupal. I found it had no effect on changing text color and size in CKEditor. After I changed the text color of a web page from the default black color to red and saved it...

### 8 Why do credit card issuers offer a grace period?

seeker yesterday at 07:00. 4 answers, 1.735 views credit-card banking credit
I am wondering why most credit card issuers offer a grace period provided they're not obliged to? Is it required by law (99.99% it's not but just in case)? Does having grace period brings some benefit to issuer (like more...

### 6 Part identification: 40t gear from Lego Movie

phi yesterday at 06:27. 1 answers, 501 views part-identification the-lego-movie
While watching clip of the Lego Movie, I found a strange part: Slightly earlier in the video, its part number is shown as 3649. But it doesn't match the 40t gear I know nor the pictures on bricklink. Is it...

### 4 Install xfwm4 4.13 on xubuntu 18.04

dsSTORM yesterday at 06:22. 1 answers, 97 views software-installation 18.04 xubuntu xfwm4
As per title, I'd like to install the development version (4.13) of xfwm4 insfead of the regular 4.12 since I've found out that it now supports vsync and opengl and thus removes tearing completely (i.e. no more need for Compton)....

### 1 deployment using change set- run specified test

Vivian yesterday at 06:13. 1 answers, 35 views apex unit-test code-coverage change-set
Hi i have a changeset which has 2 apex class and their test classes with 65% and 80% individually test coverage, if i choose a option of run specified test, will that be deployed? Because one of apex class is...

### 4 Dataset/Database similar to WALS in Vowel/Phonology

ERSA yesterday at 05:39. 2 answers, 53 views phonology computational-linguistics vowels consonants
I am wondering if there is any database similar to The World Atlas of Language Structures (WALS)(https://wals.info/). In the case that it is specifically more geared towards phonological aspects of languages, more specifically vowels and consonants.

### 9 How do I calculate the number of people who have ever lived in a place over a given span of time assuming a fixed population?

Pink Sweetener yesterday at 05:12. 2 answers, 464 views medieval population death
500 years ago, the mountain dwelling Carac clan was cursed with undeath: whenever they or any of their descendants die, their corpses rise as undead creatures, or if burned, as shadowy specters. The Carac quickly adopted a custom of casting...

### Maximum velocity in a viscous fluid

Gummy bears yesterday at 04:58. 0 answers, 0 views fluid-dynamics viscosity
Situation: A viscous fluid is flowing through a tube, and the rate of ejection is x $m^3s^{-1}$ Finding the velocity of the ejected fluid would be simple enough, by dividing the rate of ejection by the area from which the...

### 3 Is every topological groupoid equivalent to a disjoint union of topological groups?

Colin yesterday at 04:48. 1 answers, 36 views category-theory topological-groups groupoids
It's a fact that any groupoid is equivalent to a disjoint union of (deloopings of) groups. See, e.g. Proposition 4.3 of https://ncatlab.org/nlab/show/groupoid#PropertiesEquivalencesOfGroupoids. Does this situation carry over to topological groupoids? I.e., is every topological groupoid equivalent to a disjoint union...

### 9 Fake job given as appeasement?

user289661 yesterday at 03:53. 2 answers, 1.528 views single-word-requests
I want to describe: a job-position that is given to someone as a way to appease the person, but the position holds no real function. Context: He was, due to his importance to the secret project, offered an honorary ____...

### 10 Colour of platinum

Lakshay yesterday at 03:29. 1 answers, 746 views color
Why does platinum have silvery shine whereas platinum black (finely powdered platinum) is black in colour although both have the same constitution of pure platinum? Due to similar composition, both of them will have electrons in similar kind of energy...

### 16 Did Neil Armstrong really do this on the Moon?

sanpaco yesterday at 03:23. 4 answers, 2.912 views historical-accuracy first-man
The film First Man (2018) is about Neil Armstrong and the Apollo 11 mission to the Moon. In the movie, it shows Armstrong drop his deceased daughter's bracelet into a crater on the Moon. The bracelet is used in the...

### 32 Change permisions of a file with my cat's help

goncalopp yesterday at 03:00. 1 answers, 1.265 views bash filesystems cat root-filesystem system-recovery
I realize the question title probably sounds weird, theoretical, or just plain stupid. There's a long backstory to this! root@system:~# less myfile -bash: /bin/less: Input/output error The root filesystem is dead. But my cat is still alive (in my memory):...

### 5 Does this .htaccess security setting really work?

henry yesterday at 02:47. 3 answers, 695 views htaccess security
What does this .htaccess do? Am I correct in thinking that all it does is prevent automatic brute force attacks? So, to access the wp-login.php you have to manually type in the URL of the domain so that negates all...

### 1 How to cite references [closed]

SiljeH yesterday at 02:39. 0 answers, 0 views biblatex
I am writing my PhD dissertation in LaTeX and want to include a bibliography, obviously. However, I'm having problems making this work at all. Instead of trying to make it work in my multiple dissertation LaTeX files, I made a...

### 8 What is the difference between \unexpanded and \protected in ConTeXt?

G. S. yesterday at 02:37. 2 answers, 123 views context expansion e-tex protected-macro
EDIT: It turns out that \unexpanded in ConTeXt is different from \unexpanded in ε-TeX, so the earlier description doesn't apply. I'll update the question accordingly. From the ε-TeX manual: Protected macros (defined with the \protected prefix) are not expanded when...

### 4 If R (runqueue) is greater than B (waitqueue) in vmstat, is it I/O bound?

John Alvarez yesterday at 02:28. 2 answers, 82 views cpu-usage
If the runqueue is the number of processes waiting for their turn on the CPU + processes currently running, and waitqueue is the number of processes waiting for I/O, then wouldn’t B in the vmstat output being greater than R...

### 4 Why is the position expectation value for this wave function independent of the parameter?

KDecker yesterday at 02:21. 4 answers, 440 views quantum-mechanics wavefunction
For a homework problem we are given the wave function $$\Psi(x) = \frac{N}{x^2 + a^2},\ a > 0$$ and asked to normalize it. Then we are to find the expectation value of $x$. To do so, I normalized...

### 1 Too small ground wire

Samzun yesterday at 01:29. 4 answers, 232 views grounding
The purpose of ground wire is just to carry current in milliseconds enough to trip the circuit breaker, it won't even get hot. So what is wrong with using very small ground wire? For example. You are using #4 AWG...

### 4 Reason for a Chanukah Minhag

Are there any authorities who suggest that the reason for the Minhag for women to avoid Melacha (creative work) while the Chanukah candles are lit is because we are worried they may come to use the chanukah candles light (which...

### problem with equation length alignment

twimo 10/13/2018 at 22:51. 1 answers, 0 views equations
In fact, I have two equations but the numbering of the first one isn't parallel to the second one here is the code : \documentclass[review]{elsarticle} \usepackage{amssymb,amsmath,nccmath} \begin{document} \begin{align} \dot{M}_{JS} &=\frac{\sigma X_s Z_r}{m_l u_{ab}}(\frac{-O_rS_s}{\sigma R_L}-\dot{D}_{Eref}+\frac{sV_{AR}^2}{L_s}-\omega_rY_s+\frac{CL_m^2U_{JS}^4} {\sigma S_L^2 R_L})-K.sin(sty) \\ dot{N}_{JS} &=\frac{\sigma...

### 5 How does CirclePoints function actually work when drawing a polygon?

user305883 10/13/2018 at 22:07. 2 answers, 99 views geometry polygons
By reading that CirclePoints gives the positions of n points equally spaced around the unit circle, I understood that : Graphics[{Green, Polygon[CirclePoints[4]]}] is equivalent to drawing a polygon into a circumscribed circle of radius 1 and centered as 0, 0....

### 1 Block an application from accessing the network, except for a single IP address

Adam Plocher 10/13/2018 at 20:37. 1 answers, 78 views windows ipsec windows-10 windows-firewall
How would I go about preventing a specific .exe from accessing any network (TCP) resources, with the exception of 1 or 2 IP addresses? Can it be done with Windows Firewall (netsh or UI) and/or IPSec? If so, how? Note:...

### 8 Impeachment trial proceedings of a Vice President

user22945 10/13/2018 at 20:34. 2 answers, 507 views united-states senate vice-president
Since the Vice President is also president of the Senate, what mechanism is there to prevent him from presiding over his own impeachment trial? Article I.3 makes no specific mention of this. Does a federal law cover this situation?

### 2 Universal Property of Quotient Field

KarlPeter 10/13/2018 at 20:33. 3 answers, 96 views abstract-algebra ring-theory
I have following question about Universal Property for Quotient Field that leads me to following contradiction: The statement is: Let $R$ be an intergal domain and $\phi: R \to F$ is a ring morphism. Futhermore, let $i: R \to Q(R)$...

### 6 Embedding dimension=minimum dimension of a local embedding?

A. Pascal 10/13/2018 at 20:03. 3 answers, 0 views ag.algebraic-geometry ac.commutative-algebra
Let $X$ be a scheme locally of finite type over a field $k$, and let $p \in X$ be a $k$-point with ${\rm dim}\; {\Omega_{X}}_{|p}={\rm dim}\; \mathfrak{m}_{p}/\mathfrak{m}^{2}_{p}=m$ (the 'embedding dimension' of the local ring at $p$). Then a paper that...

### 9 Translation Train

Bass 10/13/2018 at 19:36. 2 answers, 229 views word wordplay language
Complete the following bizarre translations to figure out if I made this puzzle too difficult: $\mathbf 6$ $\rightarrow$ Sus Domesticus $\rightarrow$ ! $\rightarrow$ Auf Englisch.

### 14 Is Banishment effectively immune to Dispel Magic?

Ryan Thompson 10/13/2018 at 19:08. 1 answers, 503 views dnd-5e spells targeting
Suppose my ally has been hit with a banishment spell and sent to another plane. I would like to bring them back by casting dispel magic to end the banishment spell. However, I immediately run into a problem: I need...

### 2 Slow Login on Network Windows 7

ToxicProxy 10/13/2018 at 18:58. 0 answers, 0 views networking windows-7 slow-connection
I am trying to troubleshoot an issue where it takes a very long time (4-5 minutes) for users to log on to their computers on a network, and after catching this timeline with the Windows Performance Analyzer, I was wondering...

### 14 Science Fiction novel where humans had multiple personalities called “Daemons”

Christopher Backus 10/13/2018 at 18:51. 1 answers, 674 views story-identification
Science fiction novel where humans were like gods. They had multiple personalities that they called "daemons" or something similar. Main character was a bit of a fop, but reportedly brilliant. He got kidnapped and some of of his daemons developed...

### How can i connect the body to the hand?

tomi_hanecak 10/13/2018 at 18:22. 0 answers, 0 views mesh editing mirror
Im pretty new in Blender and this is one of my first modeled characters.I'm trying to figure out how to Connect body to hand, but I don´t know how. The body and hand are both joined (and they have Mirror...

### 8 How to feed parity transformed John Doe?

jknappen 10/13/2018 at 18:02. 2 answers, 438 views science-based xenobiology food spacetime-dimensions
We do not know how exactly it happened, but poor John Doe made a space-time trip along a three dimensional analog of a Möbius strip (a Klein bottle). He is now back on Earth, but he is now the mirror...

### 4 How worn is this chainring?

Dmitri Nesteruk 10/13/2018 at 18:00. 1 answers, 643 views chainring sprocket
I have the chainring shown below. It's the front sprocket of an ebike. Does this chainring need replacing or are the teeth still OK?

### 14 Why Does Seven of Nine use her Borg designation?

user106003 10/13/2018 at 17:40. 4 answers, 2.183 views star-trek star-trek-voyager seven-of-nine
A large part of Seven of Nine's story arc is her attempt to become human again. Why then, do they continue to refer to her as Seven of Nine? At some point they learn her real name, Annika Hansen. I...

### 2 Laplacian of an infinite graph and connected components

user3433489 10/13/2018 at 17:33. 2 answers, 212 views linear-algebra graph-theory
For a finite graph with undirected, unweighted edges, a well-known result is that the dimension of the null space of the Laplacian matrix gives the number of connected components. Does this result apply to infinite graphs as well? The infinite...