What's the best way to highlight a Required field on a web form before submission?


Is Gringotts the only Wizarding Bank in the Wizarding World?

Is Gringotts really the only worldwide wizarding bank?


Is there a way to force the monitor to power off in Windows 8?


Is the electromagnetic force responsible for contact forces?


Suppose $f(0) = f(2 \pi)$. Show there is a number $c \in [0, \pi]$ such that $f(c)=f(c + \pi)$


Finding an equation of circle which passes through three points


How to determine direction of arrival, given TDoA?

How to locate an unknown point using the TDOA method of Trilateration


How to know when chicken breast has cooked through?


What can I do when getting "We are no longer accepting questions/answers from this account"?


How can I block app and game invitations once and for all in Facebook?


Significant interaction but non-significant slopes?

How to interpret the significant interaction of two non-significant main predictors?


Apostrophe on Proper Nouns that end in -s. “Louis's” vs “Louis’ '’?

Which singular names ending in “s” form possessives with only a bare apostrophe?


Single shortcut to move a running process to the background in bash

How can I do Ctrl-Z and bg in one keypress to make process continue in background?


Subring of Gaussian integers has no greatest common divisor property

Find two elements that don't have a gcd in a subring of Gaussian integers


Removing overlapping polygons using QGIS

Removing overlapping part of polygons using QGIS?


A problem with the Legendre/Jacobi symbols: $\sum_{n=1}^{p}\left(\frac{an+b}{p}\right)=0$

Legendre symbol: Showing that $\sum_{m=0}^{p-1} \left(\frac{am+b}{p}\right)=0$


why there is exclamation mark on wi fi. I am facing problem after upgrading to lollipop 5.0

How to disable captive portal detection? How to remove exclamation mark on Wi-Fi or signal icon in Lollipop?


Prove that if $a$ and $b$ are relatively prime, then $\gcd(a+b, a-b) = 1$ or $2$


$6$ divides $a+b+c$ if and only if $6$ divides $a^{3}+b^{3}+c^{3}$

Prove that $6|a+b+c$ if and only if $6|a^3+b^3+c^3$


How to prevent XSS (Cross Site Scripting) whilst allowing HTML input


Isospin conservation for total isospin or third component of isospin?


Trying to recall series of novels set in palaeolithic Europe with time travel from near present

Book series about time travel from future to distant past, psychic powers?


How long can I store a food in the pantry, refrigerator, or freezer?


Php execute page every X days/hours/minutes/seconds


String to txt file in JQuery single page app

How to create a file in memory for user to download, but not through server?


Let $f:\mathbb{R}^n\rightarrow ]-\infty,+\infty]$ be proper and strictly convex.

Examples of $f$ strictly convex, either with one minimizer or with no minimizer.


How can i Recover Windows 8 after deleting?

How do I recover my accidentally lost Windows partitions after installing Ubuntu?


Get the collection of All User Profiles with REST API

SharePoint 2013: Get multiple UserProfile with REST API


How is $E_q[\log p(x,z)] - E_q[\log q(z|x)]$ equal to$ E_{q(z|x)}[\log p(x|z)] - KL(q(z|x) || p(z))$?


Strange Ghosting Viewport Render issue? Materials don't show, renders show everything as alpha

AMD GPU Material in "material preview mode" and "rendered mode", is entirely gray as background. Only outline is displayed


Why does rails have 'which would mistakenly be 4' in the Called ID for nil error?


Ubuntu 14.04.5/16.04 and newer on AMD graphics


Are groups of order $p^2$ abelian, $p$ prime?

Showing group with $p^2$ elements is Abelian


Is there any proof that Euclid's fifth postulate cannot be proven?

Is it possible to prove the independence of the parallel postulate without non-euclidean geometry?


.htaccess mod_rewrite extension removals

Reference: mod_rewrite, URL rewriting and "pretty links" explained


"either" or "neither" after "I don't like..."


What is a very descriptive and easy to understand description between git fetch and git pull? When is it better to git fetch vs git pull?

What is the difference between 'git pull' and 'git fetch'?


Original object getting modified, even though I'm using the spread operator

What is the most efficient way to deep clone an object in JavaScript?


Is it possible in C# to inherit a subclass from a subclass?


Why isn't the law of entropy applicable in the other direction of time?

Doesn't entropy increase backwards in time, too?


Why do I have to log in again to https://data.stackexchange.com/ frequently?


Narrower kerning of symbols generated by Tikz

What is the use of percent signs (%) at the end of lines? (Why is my macro creating extra space?)


Should a Java singleton use static variables?

Difference between static class and singleton pattern?


Assigning point IDs to respective start and end attributes of polyline?


Number of nonzero Fourier coefficients for any $x$ can be at most countably many

Fourier coefficients $\langle x,e_k\rangle$ are at countable


How do I restore the default repositories?


Clarification about read only and write only properties

Read-only and write-only automatic properties


Proving convergence Using the definition


Change swedish appendix title 'bilaga' to 'appendix'


new difficult question or difficult new question?


Understanding etoolbox \ifdefempty and \ifdefvoid


Number of ordered pairs of integers $(x,y)$ satisfying the equation $x^2+6x+y^2=4$

number of ordered pairs of integers $(x,y)$ satisfying the equation


How soon can I re-apply for a UK visa after getting a refusal?


Segmentation fault on using std::string inside a dynamically allocated struct

How to use a C++ string in a structure when malloc()-ing the same structure?


When using ListPlot, if Joined->True and PlotMarkers -> {Automatic} then if PlotRange is smaller than the range of data, then I get mismatched markers

Unwanted PlotMarkers appear at non-existent places


When should static_cast, dynamic_cast, const_cast and reinterpret_cast be used?


Which is better for a multi-process website, child_process or cluster?

Node.js pass handle of response object handle to child process


In-universe and out-of-universe meaning behind droid names?

Do all droids have a four alphanumeric character name and does this have any significance?


How to hide certain objects in reflection in Eevee


How do I make JS apply to dynamically added DOM elements?


Linux Operating System and Version, Regardless of Distibution

How can I reliably get the operating system's name?


How to pass 'this' into a setTimeout callback


"Unable to locate package" while trying to install packages with APT


Why are badges not "unawarded" on deleted questions and answers?

Why aren't awarded badges removed if the question is deleted?


Avoiding labeling features if overlapped by another layer in QGIS?


INSERT IGNORE & UPDATE VS INSERT...ON DUPLICATE KEY UPDATE

"INSERT IGNORE" vs "INSERT ... ON DUPLICATE KEY UPDATE"


Destructors of builtin types (int, char etc..)


Batch frequency of point groups to single table in ArcGIS Desktop?

How to count occurrences of one field grouped by values of another?


How to open a task and maintain the navigation flow?

How to get many questions in single flow without using the Next button causing server interruption till end of question set?


Set dynamic value to Array in JS like PHP

How to insert an item into an array at a specific index (JavaScript)?


how to derive schrodinger equation from heisenberg equation?

How to derive the Schrödinger Equation from Heisenberg's matrix mechanics and vice-versa?


Accurately right-aligning text of wildly varying font sizes

Horizontally-aligning text of different sizes


Export only part of a project into .dae?

How to prevent hidden shapes from being exported to .stl file?


Prove that an uncountable set X is equivalent to X\Y where Y is a denumerable subset of X

Let $A$ be any uncountable set, and let $B$ be a countable subset of $A$. Prove that the cardinality of $A = A - B $


Euler's identity confusion: $e^{\pi} = e^{-\pi}$?

What is wrong with this fake proof $e^i = 1$?


jQuery .load() function only changes content once

Event binding on dynamically created elements?


Can one prove the existence of tensor product without explicitly constructing it?

Existence proof of the tensor product using the Adjoint functor theorem.


My F statistic is really high - what does this mean?


Why do laptop screens flicker during video mode changes?

Why does changing LCD screen resolution (Windows 7) take several seconds?


Write a recursive function called rev, which reverses the order of elements in an array

How do I reverse a list using recursion in Python?


Why are there so many console messages from GTK+ applications?


What is this grammar structure, adding a noun after the verb "stand"


Best way to convert Milliseconds to number of years, months and days

How to convert Milliseconds to "X mins, x seconds" in Java?


Status Bar updates - Sent by server or periodically checked by client?

How does SO give the "answers have been posted" notification?


Revoke Google Login Credential in Favor of Something Else


How to clone my HHD to SSD on my mid-2009 Macbook Pro

Question about installing SSD into a Macbook Pro


When do we use "arrive at" versus "arrive in"?


Let $G$ be a finite group and $Z(G):=\{x\in G : gx=xg \ \ \forall g\in G\}.$ Prove that $[G:Z(G)]$ is not a prime number.

Index of the center of a group in the group is not a prime number


Is this ironic? and if not what is it called?

What word means what many people think 'ironic' means?


If $\forall x \in R, x^2-x \in Z(G)$, than $R$ is commutative


Too much spacing of the paragraph before a long equation in Align environment

Is it possible to pagebreak aligned equations?


If the Kaiju are clones why do they look different?


Why is the standard deviation defined using differences^2 instead of differences^4?

Why square the difference instead of taking the absolute value in standard deviation?


How does centering the data get rid of the intercept in regression and PCA?


Can I insert a file into the install disk?


What is the scope of variables in JavaScript?


How do I run a shell script without using “sh” command?

How to run a shell script on a Unix console or Mac terminal?


50 reputation for making comments is too high

Lower the amount of reputation needed to comment


Why did J.K. Rowling use such odd fractions for wizarding currency subunits?

What is the reason for such a strange exchange rate in the wizard currency in Harry Potter?


Is it possible to mark a question as favorite in the Stack Exchange Android app?

How to favorite a question from Android app?


Where would I implement this array to pass?

Simple Passing of variables between classes in Xcode


Can anyone provide a simple, inuitive explanation for Noether's Theorem?

Can Noether's theorem be understood intuitively?


Why is the vector chosen by the right hand rule?

Why is cross product defined in the way that it is?


macOS Catalina - how to set up Finder to use file sorting logic same as ls command (alphabetical order, not "natural")?

How does finder sort folders when they contain digits and characters?


Dynamically change the class of an instance at runtime?

How dangerous is setting self.__class__ to something else?


How can I cancel an edit I made on another user's question or answer?


Bash: How do you view text that has been "scrolled up too far" in the terminal?


Mysql query string not working in query c++

How to convert a std::string to const char* or char*?


How to compute Dottie number accurately?


Snake lemma for sheaves of abelian groups

Proving the snake lemma without a diagram chase


Strange behaviour - object is hidden behind grey "wall"

Why does part of my model disappear when I zoom in on it in the 3D Viewport?


Where do the Transformers get their ammunition from?

Where did the Transformers ammunition come from?


How can I generate the ~ symbol in LaTeX?

How does one insert a backslash or a tilde (~) into LaTeX?


Why aren't solenoid/electromagnet windings insulated?


Essential singularlites of the function $f(z)$ and $1/f(z)$?

$f$ has an essential singularity in $z_0$. What about $1/f$?


Does Cocoa Touch have a search tree data structure?


How to enable FEATURE_POJO_MAPPING using jersey 2.0 and servlet 3.0 without a web.xml?

What is the moxy equivalent to Jackson's JsonAnySetter?


Struggling with search google map places

What is a NullPointerException, and how do I fix it?


Looking for a part of a proof involving connected spaces


Is a sum of two binomial distributions with different $p$ also binomial?

How can I calculate the probability for multiple trials with different probabilities?


PHP: Sort multi-array by deeper than level-1 dimension values with given field order

How to Sort Multi-dimensional Array by Value?


How to delete an email address on StackExchange?


Make a copy to clipboard function via JavaScript(jQuery) and Python(Flask)

How do I copy to the clipboard in JavaScript?


I am getting warning "Empty Bibliography" using bibtex at backend. It's been 2 days I am unable to resolve this problem

Referencing bib files with spaces in the filename


Why does $('#table > tr') selector not match? (always return 0)


What's this "headers already sent" error that some hosts return even without any white space and how to fix it?

How to fix "Headers already sent" error in PHP


Make "New Folder" command available missing in List settings

Create a folder structure in a discussion board


Is there a path to Stack Exchange's markdown converging with GitHub's?

Implement ```-style (fenced) Markdown code blocks


Can anyone help me with this do Carmo question?

If $\Gamma^k_{ij}(p)=0$, then $\nabla_{E_i}E_j (p)=0?$


How to add JAR libraries to WAR project without facing java.lang.ClassNotFoundException? Classpath vs Build Path vs /WEB-INF/lib


html content added via jquery not getting methods (click,resizable) applied

Event binding on dynamically created elements?


How to convert Ricoh Theta equirectangular pictures to rectilinear?

How to reproject and crop a 360°x180° panorama?


NullPointerException in Serializable object

What is a NullPointerException, and how do I fix it?


How to correctly make a thread safe Singleton Factory in Java?

What is an efficient way to implement a singleton pattern in Java?


How can I use this method to avoid listView flickering?

How to prevent flickering in ListView when updating a single ListViewItem's text?


Skewed variables in PCA or factor analysis


Help with a CMS for content only not display

Which Content Management System (CMS)/Wiki should I use?


Cryovac tenderloin left in trunk of my car

Can I still use meat left out in the trunk


Google Maps - calculating distance: passing coords in variables to a function

google maps move marker with lat/lng from ajax success returned data


(Matlab) Need to call only a single output from a function that produces many outputs

How to elegantly ignore some return values of a MATLAB function


How to bind USBSerial HUB under a static name

KERNELS path for USB device connected to HUB


What raster smoothing/generalization tools are available?


32bit OS, x64 based processor in Windows 8.1


The determinant function is the only one satisfying the conditions


regexp how to match unknown number of words

What special characters must be escaped in regular expressions?


How copy data from Excel to a table using Oracle SQL Developer


Is it still possible for me to get into a master's program in a quantitative field?

How does the admissions process work for Ph.D. programs in the US, particularly for weak or borderline students?


How to make bin + cue image of audio CD under macOS

CD digital audio ripping tool for OS X that has accurate extraction, error detection, and verbose reporting?


Why is there a need for more edit approvals when I can edit?

Why do we need multiple approvers for suggested edits?


Do I need an airport transit visa through Switzerland (Schengen) if I have no Schengen visa?

Do I need a visa to transit (or layover) in the Schengen area?


titletoc: Hyperref section number and page number

Common style for global TOC, LOF, LOT and titletoc partial TOCs (with hyperref & caption)


Weird candidate block on primary election tab

Push faded/withdrawn candidates to the bottom of the page


calculate basis for the orthogonal column space

How to find the orthogonal complement of a subspace?


What is a NullPointerException, and how do I fix it?


Why parent and children divs have the same height

Make a div fill the height of the remaining screen space


postfix discard or change Message-ID header based on another header line


How to make different materials for different objects?

How to put a unique material on duplicated objects separately?


Best way to invest as a beginner at 20 year old

Best way to start investing, for a young person just starting their career?


How many rings that have special effects can one character wear at a time while still having all of the special effects

Is there a limit to the number of magic rings a character can wear on one hand?


pdo - Call to a member function prepare() on a non-object

Reference: What is variable scope, which variables are accessible from where and what are "undefined variable" errors?


Show that the group $G$ is abelian if $G/Z(G)$ is cyclic

Proving that if $G/Z(G)$ is cyclic, then $G$ is abelian


Prove: $\cot x=\sin x\,\sin\left(\frac{\pi}{2}-x\right)+\cos^2x\,\cot x$


Probit or Logit in Generalized Linear Model

Difference between logit and probit models


Why was 1 considered as prime years ago?


Web Safe Alternative to Myriad Pro Font?


Windows Subsytem on Linux, "sudo: can't resolve hostname"

sudo on Windows 10 Linux subsystem cannot resolve local machine name


Layers with same coordinate system should align/overlap in ArcMap but do not?


Can a Force-sensitive person use the Force to communicate with other Force-sensitive people?

Does one's ability to use the Force depend on distance?


Difference between anything but and anything other than?

What is the difference between "nothing but", "anything but", and "everything but"?


How can I change what keys on my keyboard do? (How can I create custom keyboard commands/shortcuts?)


Differentiability of $f(x+y) = f(x)f(y)$

Prove that $f'$ exists for all $x$ in $R$ if $f(x+y)=f(x)f(y)$ and $f'(0)$ exists


Proof that if $s_n \leq t_n$ for $n \geq N$, then $\liminf_{n \rightarrow \infty} s_n \leq \liminf_{n \rightarrow \infty} t_n$


Find the value of : $\lim_{n\rightarrow \infty}\sqrt{2+\sqrt{2+\sqrt{...+\sqrt{2}}}}$

$\sqrt{c+\sqrt{c+\sqrt{c+\cdots}}}$, or the limit of the sequence $x_{n+1} = \sqrt{c+x_n}$


How can I fix "unbalanced brackets" in my data tag?


Does charging a phone with another phone's charger affect it in any way?

Is my phone liable to explode if I charge it with a charger that came with a different phone?


Trigger Record Creation Not working in Bulk Update

What is a good pattern for recursion blocking in generic trigger handlers?


Projection on the xy–plane of the curve of intersection of both surfaces


My hard drive is broken on my Mac, I have a new one, but how can I install OS X?

How to install the OS with a new Hard drive?


Find all ordered pairs $(a,b)$ such that $1/a + 1/b = 3/2018$ and $a,b$ are positive integers


What's the difference between $\mathbb{R}^2$ and the complex plane?


What are the benefits of using wp_enqueue_script?


True or false: a sequence $\{a_{n}\}$ is convergent if and only if the subsequences $a_{2n}$ and $c_{2n + 1}$ both converge to the same number

Sufficiency to prove the convergence of a sequence using even and odd terms


Notification window placement on Mavericks

Change location of macOS Notification Center alerts?


Difference between private IP and public IP?


C# How to set or copy a new object to a global variable which references a parameter via constructor

When to use ref and when it is not necessary in C#


Functions satsify $f'=f^{-1}$ with $f^{-1}$ is compostional inverse of$ f$

Function whose inverse is also its derivative?


NullPointerException - Java 8 - Optional

What is a NullPointerException, and how do I fix it?


Java encode and decode program cant pass key word through args


Just dual installed with win10 but it won't boot in Ubuntu

Can't boot into Ubuntu in Windows 10 / Ubuntu dual boot


How many 6-digit numbers contain exactly 4 different digits?

Distinct digits in a combination of 6 digits


Help with a Predicate Logic homework proof


Prove that $N$ normal and $TN=NT$ implies $T^*N=NT^*$

If $A$ is normal and $A$ and $B$ commute, then $A^*$ and $B$ commute


How to rewrite a function's default argument in R?

Setting Function Defaults R on a Project Specific Basis


Getting the eyes of another community in the exchange on a question

Build and strengthen the Stack Exchange community with "crossover questions" between sites


cp runs from command line but file not found from script

Can I use variables inside {} expansion without `eval`?


Fibonacci Numbers Proof: $ f_n = \binom n0 + \binom{n-1}1 +\dots+ \binom{n-k}k$


Input languages mixed up after user switch

How to delete a keyboard layout in Windows 10


What is the difference between Law of Excluded Middle and Principle of Bivalence?


Is it possible to implement real time execution of any content within Marketing Cloud email after the email is triggered?

How to refer Javascript cloud page in my email in content builder?


Why am I getting a NoClassDefFoundError in Java?


How to properly convert DateofBirth to age inside a viewmodal

How do I calculate someone's age based on a DateTime type birthday?


How to insert specific character in mysql database using php


How to make mobs passive to you through commands in 1.16.4

How do I add mobs to a team and make them passive to me?


Which lens is recommendable for landscape astro photos with Sony A7Riii?

What lens characteristics are important in star photography?


Why is "$P \Rightarrow Q$" equivalent to "$\neg Q \Rightarrow \neg P$"?


It is true that the criterio of comparation of sets is equivalent to Axiom choice?

Does the assertion that every two cardinalities are comparable imply the axiom of choice?


enumerate with Arabic numbers and right parentheses

Customizing enumerations and itemizations


Why is a large cavity with a small hole at constant temperature approximated as a black body?

I don't understand why a cavity with a hole is a black body


Why is there a difference between a population variance and a sample variance


c++ why struct with uint32_t and struct with uint8_t[4] have different sizes?

Why isn't sizeof for a struct equal to the sum of sizeof of each member?


Let $f$ be a non-constant analytic function on $\mathbb{D}$ satisfying $|f(z^2)| ≤ |f(z)|$ for $|z| < 1.$


Why is Wine not installable on my system?


Why is there no "archive" site for stack exchange?

Is there a catch-all place on the Stack Exchange network where one can post any question that does not obviously belong to the Stack Exchange sites?


Is there a way to start a specific application with a keyboard short cut?

Creating System-Wide Keyboard Shortcut To Launch Applications


Wifi option missing from Kubutu 16.04, can't connect to wifi networks

Why do I get "Required key not available" when install 3rd party kernel modules or after a kernel upgrade?


Find all positive integers n such that 20n+2 can divide 2003n+2002

Given an integer $a$, suppose $d=\gcd(3a+5,\,5a+7)>2$. Determine $d$.


Is mathematical rigour irrelevant in most physics fields?


Force GCC to notify about undefined references in shared libraries


List of lists changes reflected across sublists unexpectedly


Evaluating $\int P(\sin x, \cos x) \text{d}x$


System.NullReferenceException while Serializing XML

What is a NullReferenceException, and how do I fix it?


Would it better the community if we got compensated for posts? Even with minuscule alt coins?


The false claim that resemblance to real people is accidental

What would happen if a show would remove its disclaimer?


NullPointerExcpetion When Using a for loop on Class-leveled Array Java

What is a NullPointerException, and how do I fix it?


GeoServer fails to read a JPEG compressed TIFF with alpha band

Problem with rendering jpeg compressed image - Caused by: java.lang.ClassNotFoundException: org.libjpegturbo.turbojpeg.TJException


what does the last block mean? and what is unittest.main()?

What does if __name__ == "__main__": do?


How do you set and reset a bit in an unsigned long long integer?

How do you set, clear, and toggle a single bit?


How to use the timer in Java to run a Job for a specific amount of time?

Spawning threads in a JSF managed bean for scheduled tasks using a timer


Rice wine making stucked half way, fermentation never happened?


How do I remove a malformed line from my sources.list?


Does back E.M.F. create a second back E.M.F. which creates a third back E.M.F. and so on?

Does the magnetic field due to the current from a motional emf induce a counter emf?


Anyone familiar with the {fei} could help me with the references/bibliography?

Biblatex with Biber: Configuring my editor to avoid undefined citations


Installing QGIS plugin called profile from line?

How to fix "Couldn't load plugin ..." and "ImportError: No module named ..." in QGIS plugins?


Values of $\sum_{n=0}^\infty x^n$ and $\sum_{n=0}^N x^n$


French Schengen visa refused in India - what to do?

Schengen Visa Refusal: Justification for the purpose and conditions of the intended stay was not reliable


Call a function without adding to undo list


How to pass on php variables into Javascript

How do I pass variables and data from PHP to JavaScript?


Filling an array with random numbers in a for-loop

What's the simplest way to print a Java array?


How to remove the ^[[1m ^[[22m ^[[4m ^[[24m characters while keeping the newline?

how to properly log the output of a console program that frequently updates "parts" of the screen, resulting in a messy log file?


Passing a list in a WHERE clause python mysql

imploding a list for use in a python MySQLDB IN clause


Converting copyrighted song to 8 bit. Is it legal?

Using modified copyrighted music in non-commercial games


urlopen.request with an umlaut in the url

UnicodeEncodeError: 'ascii' codec can't encode character '\xe9' - -when using urlib.request python3


What is the harm of an "overlapping" question? (usually closed as a duplicate)


TikZ-picture: remove arrows at starting point of edge

Odd behaviour with arrows and multipart rectangles


Selling a bike, they offered to buy it through a courier; how does this scam work?


Getting a refund From Cancelled TAP Air Portugal flight due to COVID-19

Getting a refund from TAP Air Portugal related to COVID-19


How to influence the position of float environments like figure and table in LaTeX?


Why did my house disappear but the farm, and other things connected to it didn't?

How did part of my house in minecraft disappear?


Showing $\mu(n) = \sum_{k} e^{2\pi \frac{k}{n} i}$ using cosine explanation

Let $f(n) = \sum_{(k,n)=1} e^\frac{2\pi ik}{n}$. Show that $f(n) = \sum_{k=1}^{n}\left(\sum_{d\mid (k,n)} \mu(d)e^{\frac{2\pi ik}{n}} \right) $


how to interpret beta in logistic regression

What is the significance of logistic regression coefficients?


"apt-get update" fails with "Malformed entry in list file" error

How do I remove a malformed line from my sources.list?


What text editor will not overload my Xubuntu 13.10?

What are the alternatives to Notepad++ on Ubuntu?


Find a key => value in multidimensional array but return parent key?

PHP multidimensional array search by value


For matrix $A $ with entries smaller than $1$, find $A^k$ when $k \rightarrow \infty$

A problem with the geometric series and matrices?


make a translated object collide with something

Ball to Ball Collision - Detection and Handling


Is there a way to make the command "\odiv"?

How to look up a symbol or identify a letter from a math alphabet or other character?


Would it be proper to include (e.g.) after an example?

The use of "e.g." at the end of a sentence


Prove the identity $ \sum_{i=0}^n {n \choose i} i = n2^{n-1} $ using combinatorial proof.

Combinatorial proof of $\sum^{n}_{i=1}\binom{n}{i}i=n2^{n-1}$.


One word for students, faculty and staff at a university

Hypernym of academia, researchers and topic enthusiasts


Highlight comments from answer author, in addition to question author


How to prove the existence of such an $x \in S^{1}$

$f : S^1 \to\mathbb R$ is continuous then $f(x)=f(-x)$ for some $x\in S^1$


Showing that $\Gamma(x)\Gamma(y) = \Gamma(x+y)\beta(x,y)$ via change of variable

Prove that $\int_0^1t^{p-1}(1-t)^{q-1}\,dt=\frac{\Gamma(p)\Gamma(q)}{\Gamma(p+q)}$ for positive $p$ and $q$


Solve the functional equation $2f(x)=f(ax)$ for some $a$.


How to populate a dropdown on page load in jsf?

How to populate options of h:selectOneMenu from database?


How do you calculate the probability when you don't know how many trials will be held?

Probability of success on third and fourth trials?


Transforming shapefile into raster file in QGIS?

Converting vector layer to raster using QGIS?


continuous infinitive or bare continuous infinitive


Find all positive integers n, such that $n2^n+1$ is divisible by $3$

Find all n such that : $3 \mid (n2^{n}+1)$


Slow performance clipping raster with GDAL

File size inflation normal with gdalwarp?


How comment lines in XML file using Batch file?

How can you find and replace text in a file using the Windows command-line environment?


How to prove that tr(A) = tr(B) given that B is similar to A

Let $A$ and $B$ be $n\times n$ matrices. Suppose $A$ is similar to $B$. Prove trace($A$) = trace($B$).


How to get a value of an object's property when the property name is a variable itself in JSP?

How to get value of bean property when property name itself is a dynamic variable


Should there be commas before sentence-ending words such as 'too', 'either', 'apparently', 'obviously' and 'respectively'?

Comma before "respectively" — Is it needed?


Show that $r$ is the rank of the $n$x$n$ matrix $A\iff A$ has a nonsingular $r$x$r$ submatrix

Proof that determinant rank equals row/column rank


How to connect faces between 2 edge loops?


Select and Display 'Suggested Tags' for All Posts Based on Related Questions (or other logic)

Possible Tags similar to "Related Questions" under Title


Which of these two words is proper in denoting a friend?

“A mutual friend”, "A common friend" or “A friend in common”?


User has 1 reputation on Interpersonal.SE but 189 on Interpersonal.meta

My "Meta" rep on Photo.SE differs from my main rep


Do we add "to" the second verb (paint) because it's in the infinitive?

What is the correct way to use infinitive after the verb "help": with or without "to"?


is it possible to connect to multiple database E,g. database1, database2

How do you connect to multiple MySQL databases on a single webpage?


Biblatex printing weird citations via \citep{} within APA

Biblatex APA-style special issue code shows up in the in-text citation


Code performance and difference between function and Named function expression in Java Script

var functionName = function() {} vs function functionName() {}


Prove consecutive Fibonacci numbers are coprime

Proof by induction that fibonacci sequence are coprime


How can I map the Esc key to the Caps Lock key?

How can I swap the Esc and the Caps Lock keys?


How do I completely download a web page, while preserving its functionality?


Found a heap of BTC but have no documentation. What do I do?

Bringing bitcoin into US, what taxes should I expect?


Why use the 'ref' keyword when passing an object?


Find $\gcd(15-15i,7-i)$ in $\mathbb Z[i]$


Error LINQ to Entities does not recognize the method 'System.String ToString()' method, and this method cannot be translated into a store expression

Why LINQ to Entities does not recognize the method 'System.String ToString()?


when found blank line change to new column

text processing rows to columns for a block


How are Stack Overflow's default profile pictures generated?

How is the default user avatar generated?


How to reinstall Windows 8 after it has been deleted?


How to test my php script for sql injection and prevent it


In Google Guava (Java), why are Iterables.getFirst() and getLast() inconsistent?

Why there is no getFirst(iterable) method?


Let $\gcd(m,n)=d$. Show that if $a=b$ (mod $d$) the equations $x=a$ (mod $m$) and $x =b$ (mod $n$) has a solution.


On running Applet using applet viewer in Mac, got a few errors

What is a NullPointerException, and how do I fix it?


How do Galois fields of sizes other than powers of primes behave?


How to change the type of a column of an attribute table in QGIS?

How can I change an attribute table field type from string to double in QGIS?


Searching Lists in R based on closest date


how to plot complex numbers in Mathematica?

Finding real roots of negative numbers (for example, $\sqrt[3]{-8}$)


Deleting question causes loss of answerers' reputation

Why are points deleted when the question is deleted?


Do I need ETA or transit visa if I have a 5 hr transit by air at Toronto airport?

Is there a way to find out if I need a transit visa for Canada?


What's the simplest way to print a Java array?


I can't figure out how to reinstall windows

How to remove Ubuntu and put Windows back on?


How can I find the number of overlapping sequences in a String with Python?

String count with overlapping occurrences


A person who begs for help but doesn't return the favor

What would you call someone who imposes on other people's generosity?


How to bind the Unique Ids of Computer System into Software

Is there really any way to uniquely identify any computer at all


measurability of supremum of a class of functions


dynamically add input field value jQuery

Event binding on dynamically created elements?


What is the difference between Disk and Disc?

Is there a difference between "disc" and "disk" for naming digital storage media?


Understanding minipages - aligning at top


How can I find which process is eating my memory?

How to clean up the RAM memory that is being used as cache memory?


How to upgrade Ubuntu release 19.10 to 20.04 LTS?

How to install software or upgrade from an old unsupported release?


How do I make the player name show up on a /tellraw command?

Is there a way to display a player name in /tellraw command?


Insert { in > array preamble and } in < array preamble

Is it possible to redirect unbalanced braces (`{` and `}`) into a tabular column?


'java.lang.String java.lang.Object.toString ()' on a null object reference (Firebase)

What is a NullPointerException, and how do I fix it?


Is it possible for heat to warp a Unibody MacBook Pro?


Simultaneous / blended develop logic and set theory?

Does mathematics become circular at the bottom? What is at the bottom of mathematics?


What changed in apache2 from saucy to trusty for projects in /var/www

Where to place my local website starting with the 2.4.7 version of apache2?


Three odd integers from the set $\{1,3,5,7,9,11,13,15\}$ that equals to $30$.

What five odd integers have a sum of $30$?


How to evaluate the integral $\int_0^{\infty} e^{-\frac{1}{2}\left(x^2+ \frac{c}{x^2}\right)}dx$?

Show that $e^{-\beta} = \frac{1}{\sqrt{\pi}} \int_{0}^{\infty} \frac{e^{-u}}{\sqrt{u}} e^{-\beta^2 / 4u} du$.


May I have a list of just my declined flags?


C# split string but keep split chars / separators

Split a string with delimiters but keep the delimiters in the result in C#


What kind of error java.lang.NoClassDefFoundError: org/bouncycastle/asn1/ASN1OctetString is this?

Why am I getting a NoClassDefFoundError in Java?


Generating unique random numbers except from a specific one in C

Unique (non-repeating) random numbers in O(1)?


Plotting (x^3 - x^2)^(1/3) gives unexpected results

Finding real roots of negative numbers (for example, $\sqrt[3]{-8}$)


How do I format a number with a variable number of digits in Python?


Twin paradox - confusions in explanation

What is the proper way to explain the twin paradox?


Why can't I drop trading cards while playing TF2?

Will buying items from the Mann Co. Online Store give me Trading Cards?


How does quantum dynamics explain interference of two light beams

Does a photon interfere only with itself?


Is there a asymptotic formula for product of primes?

Product of all prime numbers upto some prime $p$


Is there a problem with defrosting meat on the counter?


Combinatorics- Dividing students into teams


Symmetric probability density function proof

Central Moments of Symmetric Distributions


Are the events $S>s$ and $T=1$ are independent

What is the joint distribution of $Z=\min(X,Y)$ and $I_{Z=X}$?


Convert integer vector to most proximate bins


Combine (rbind) data frames and create column with name of original data frames


Laptop turned on from sleep automatically

How do I find out which one of those pesky programs keeps waking my machine from sleep?


in eclipse,how to conver a Project to a Java Project?

How to change an Eclipse default project into a Java project


How can I match a Pandas Dataframe with invalid characters (accents) to an array?

What is the best way to remove accents (normalize) in a Python unicode string?


Why does find not match repeat / quantifier expressions with emacs regular expressions?

find command with regex quantifier e.g. {1,2}


Sort list of dictionaries according to index

How do I sort a list of dictionaries by a value of the dictionary?


Applying styling to KML (from a shp) using ogr2ogr?

Defining layer style for KML layer within OGR Virtual Format?


"Undefined reference" to declared C++ static member variable

Undefined reference to static class member


Let $n\in\Bbb Z$. Prove that $n$ is a multiple of both $5$ and $9$ if and only if it is a multiple of $45$.

If $\gcd(a,b) = 1$ and $a,b\mid x$ then $ab\mid x$.


HTML encoding for spanish, working locally but not on the server


How can I switch to Unity/Ubuntu mode from xbmc kodi?

How do I change the default session for when using auto-logins?


Can't find OTF (on the fly) check box in QGIS 3

Enable 'on the fly' CRS transformation in QGIS 3?


Layout switching hotkeys are lost in WIndows 10

Language Hotkeys removed by itself in Windows 10


How does instance_eval work and why does DHH hate it?


form_state->setRedirect(to_a_new_node_page) from the submitForm function, route "does not exist" issue


Is a character level an abstract concept, or a literal?

Do PCs understand the leveling system and its experience requirements?


directory says it is group writable but I cannot write a file within it

Execute vs Read bit. How do directory permissions in Linux work?


How can a user get out of a question ban when questions can't be improved?

What can I do when getting "We are no longer accepting questions/answers from this account"?


Evaluating the definite integral $\int_0^{\infty} \frac{(\ln x)^2}{x^2 + 1} dx$

Evaluate $\int_0^\infty \frac{(\log x)^2}{1+x^2} dx$ using complex analysis


Which is best for SEO, one long or several short pages?

Is word count a large ranking factor for Google?


How to prepare a disk on an EFI based PC for Ubuntu?


How to iterate over values of an Enum having flags?


Is there a launcher or some software which would ignore top 1 cm of the phone screen?


I would like to insert "℞" in a regular latex document


Linq Query Group By and Selecting First Items


At runtime, find all classes in a Java application that extend a base class


What is the symbol for a closed (filled in) triangle pointing to the right?

How to look up a symbol or identify a letter from a math alphabet or other character?


Read a MS Access database without OBDC driver

Manipulating an Access database from Java without ODBC


Can a Familiar use "help" action to give advantage on ranged attacks?

Is the 5-foot range of the Help action my range to the ally, the enemy, or both?


A more polite/formal way of saying "contact us, we will get back to you"


How to train students to write high-quality research papers?


How to display and use operator properties in a custom UI panel?

How display and use operator properties in a Python Blender UI panel?


how can validate phone number with regex

How to validate phone numbers using regex


Command output to file, new lines at top

How do I insert a line at the top of a text file using the command line?


what does -(IBAction) represent in iphone application?


Why aren't search engines indexing my content?


Nothing shows up in the terminal when I type my password


Photographic techniques to avoid chromatic aberration?


Evaluating the limit of $\lim_{x \to 9} \frac {x-9} {\sqrt{x} - 3}$


How to creat the symbol `\not\Leftrightarrow`?

The line produced by \not looks bad on wider symbols


What kind of logarithm functions / methods are available in objective-c / cocoa-touch?


What does a "Cannot find symbol" or "Cannot resolve symbol" error mean?


proofs on trigonometric identities involving complex numbers


How to set world's background without effecting the lighting?

How do you make an image emission without washing out the image?


How to add a custom class attribute into code wrapper?

How to add a custom CSS class to core blocks in Gutenberg editor?


I am an engineer by qualification. But want to do a PhD in marketing. Is it possible? Or am I day dreaming?

Graduate school admission with a degree in a different field


How to get the name of a method in a class

Get the name of the currently executing method


capitalize the field study "language arts"


Sort file "foo" and use redirection ">" to save output into the same "foo" file

Output to be saved in file named same as the input file


Python setter and getter for class attributes


Can I use .". if I want both to end a sentence and to indicate that there was a period ending the sentence that I just quoted?

Where should the period be put when an entire sentence is quoted at the end of a sentence?


For what powers $k$ is the polynomial $n^k-1$ divisible by $(n-1)^2$?


Arranging numbers from $1$ to $n$ such that the sum of every two adjacent numbers is a perfect power


How can I divide a figure in multiple pages?

Split a scanned photo across multiple pages (with a predifined splitting point)


Telepathic female alien crash-lands on earth, fights bug-like aliens

Please help identify this 2-part TV movie: Alien woman crash-lands on earth, falls in love, 199x


Are (non-void) self-closing tags valid in HTML5?


Displaying floating point variable as a hex integer screws up neighbouring integer


Why is the Cantor set not defined by a limit?


Arranging equations (short and long ones) in a presentable way

Number equations and preserving alignment of equal signs


Creating manual threads, also tried using parallel.foreach and async await - but getting duplicate


18.04: ThinkPad p50 Fingerprint Scanner not working even when recommended answer tried

Install Fingerprint Driver 138a:0090 on Ubuntu 16.04 (ThinkPad T460s)


How can I find the method that called the current method?


Unable to load DLL The specified module could not be found. (Exception from HRESULT: 0x8007007E)

Unable to load DLL (Module could not be found HRESULT: 0x8007007E)


Insert an image bound by coordinates with tikz

How to create a rectangle filled with image using TikZ?


How can I verify that the Pauli group is a group? And is it abelian?

Definition of the Pauli group and the Clifford group


How to install latest HPLIP on my Ubuntu to support my HP printer and/or scanner?


Someone who remains calm during panic or disaster

Adjective for "terrified yet calm and capable"


create an array of dates in bash scripts and match it with current date

How to compare today's date against an array of dates


Dropping "acknowledgement section" in thesis


extremely strange logistic regression results

How to deal with perfect separation in logistic regression?


Linux list only selected groups a user is part of?

How can I find out if the current user is in a specific group?


Using “used to” vs "would" when expressing something done in the past


DialogFragment advantages over AlertDialog


What is the difference between -all and ~all in a DNS SPF record?

What are SPF records, and how do I configure them?


How to show a circle and a elipse is homomorphic in $R^{2}$?

What is the homeomorphism between a disk and an ellipse?


Circular arrangement, probability of winning a game.


How to return multiple objects from a Java method?


Why is the xor operator used in computing hash code?

What is the best algorithm for overriding GetHashCode?


isAccessible() vs isQueryable() and which one to use for SOQL query CRUD checks

What does object.isQueryable() actually mean?


Trigger after update: System.FinalException: Record is read-only

Exeception on After Insert, Record is read only


Fetching google images using htmlagilitypack


What’s the rule for adding “-er” vs. “-or” when forming an agent noun from a verb?


How to get proper "weighted" average of one column's data based on number values found in another column?

How to calculate weighted averages in Google Sheets?


What does this checkmark icon next to Roblox usernames mean?

What does this bag with a checkmark on it next to Roblox usernames mean?


When to use "music" & when to use "musical"?


How to create test class with Case Attachment and send email?

How to create the case with an attachment and topics using Test class?


PHP AJAX - not getting value on form submitting

"Notice: Undefined variable", "Notice: Undefined index", and "Notice: Undefined offset" using PHP


Print all the elements contained in a class in Python


Sort PHP multi-dimensional array based on value in inner array?


Is there a way to get a System.Configuration.Configuration instance based on arbitrary xml?


Mojave - disabling trackpad from terminal

Disabling the trackpad from the command line


My regex is matching too much. How do I make it stop?


JQUERY click function not working after div update

Event binding on dynamically created elements?


Ubuntu 16.04 - Can't run software update or apt-get-update

"GPG error:The following signatures were invalid: KEYEXPIRED"


Remove write protect from Sandisk Cruzer blade 16 GB?

What can I do if my USB flash drive is write-protected or read-only?


search with upper and lower case letters


Is This Laplace Transform Symbol Available in LaTeX?

Looking for upright calligraphic L with little loop on top


Select only One row of table by using radio button

Uncheck checkboxes by changing particular checkbox state


Transferring Facebook Likes from one website to another

How can I move a URL via 301 redirect and retain the page's Facebook likes and Open Graph information?


Change figure size and figure format in matplotlib

How do you change the size of figures drawn with Matplotlib?


Split string by right closing parentheses

Regular expression to match balanced parentheses


Short story with mechanical house that completes all tasks

Identify a short story about post-apocalyptic household robots


Anyone sustain Excel VBA macro deletions due to security software?


How to change directories in ubuntu using bash shell script?

Why can't I change directories using "cd" in a script?


Draw heatmap for a matrix using circle in R

Is a heatmap in "sized dot style" possible in ggplot2?


How do you check a screen size using jquery?


Deriving Feynman rules from Renormalized Lagrangian

Why are derivatives in interaction terms treated differently from derivatives in the kinetic term?


Rendered image has black outlines from imported image

Image Alpha Background Renders Black when using "Import Images as Planes"


If I have a function take multiple parameters, but I have only a list, how to pass it to the fucntion?


Why my home PC wallpaper updates to my office wallpaper

Whenever I change my desktop background, it changes my laptop's background as well


Cannot seem to use javac in command prompt

javac is not recognized as an internal or external command, operable program or batch file


What does it mean when a theorem can be proved without induction?

How can know if a proof technique can actually prove something? Specifically, induction


Syntax for restoring SQL Server backup from non-disk source


How can I evaluate $\sum_{n=0}^\infty(n+1)x^n$?


Value of $\sum_{n=1}^{\infty} \frac{\cos (n)}{n}$

Convergence of $\sum_{n=1}^\infty \frac{\cos(n)}{n}$


Evaluating a sum: $\sum_{n=0}^{\infty} nx^{2n+1}$


Showing continuity of a real valued function

Increasing real valued function whose image set is connected


C# operator overloading not working when passed as generic parameter

Can't operator == be applied to generic types in C#?


Let $S$ and $T$ be finite non-empty sets such that $|S| = |T|$. Show that the function $f : S\to T$ is onto if and only if it is one-to-one.


JavaScript code does not work on the element created by another piece of JavaScript code

How do I attach events to dynamic HTML elements with jQuery?


Change easily how figures, tables, equations.. are cross-referenced based on what is recommended in style guides such as MLA, APA, IEEE

Cross-reference packages: which to use, which conflict?


Get/use/read external non local JSON from your project


How to calculate the weighted standard deviation

How do I calculate a weighted standard deviation? In Excel?


How do you tag tags on MSO in a comment?


Pagination for 'Type to find users' results does not work


Do we use singular or plural countable noun with word "Any"?

Should nouns after "any" be singular or plural?


Why does C# have a separate rethrow statement (throw;) instead of overloading throw ex?

Is there a difference between "throw" and "throw ex"?


Is the monk's Tongue of the Sun and Moon feature an active effect or a passive effect?

Can a Monk "turn off" the Tongue of the Sun and Moon feature?


keyboard shortcuts don't work with switched keyboard layout (20.04)

Keyboard Shortcuts Not Working When Not in English in 20.04


Should I be concerned about non planar quads like these if I'm modeling for unity?

Flat quads (or, why is my mesh so funky?)


Why does my forest plot say a study's result is statistically significant when it's not?

Opinions on a statistical error in p values (re: standard deviations, t-test/Kruskal-Wallis) in a published study?


what does (function () { ... })(); mean?

What does this "(function(){});", a function inside brackets, mean in javascript?


Does the variable order matter in linear regression

What is the difference between linear regression on y with x and x with y?


Connecting 3 V LED street lamps for a diorama


Convert function to synchronous from asynchronous

How can I get jQuery to perform a synchronous, rather than asynchronous, Ajax request?


For which $a,b \in\Bbb R$ does there exist the inverse of matrix $A$

Determinant of a rank $1$ update of a scalar matrix, or characteristic polynomial of a rank $1$ matrix


Find recursively in folders, subfolders and multiple files

How to Search for Files Recursively into Subdirectories


How do I execute a command and get the output of the command within C++ using POSIX?


Resource file not found in jar but present when opening in winrar

How do I read a resource file from a Java jar file?


Is there a direct, elementary proof of $n = \sum_{k|n} \phi(k)$?


eclipse copy resource in C project after build

Eclipse CDT - Copy static resource file to bin_dir


Two functions with same interal are the same function?


How can I get the output from Image Trace to be Strokes instead of a Fill?


What equations so I can model a "bouncing particle"?


proof that the sum of two bounded, closed sets is closed

Prove that the sum of two compact sets in $\mathbb R^n$ is compact.


E: The repository 'https://cloud.r-project.org/bin/linux/ubuntu disco-cran35/ Release' no longer has a Release file

How can I fix a 404 Error when using a PPA or updating my package lists?


Comments from OP have a different font size than comments from others

Comment font sizes are inconsistent on Android


Best way to center a  on a page vertically and horizontally?


How to define a bijection between $(0,1)$ and $(0,1]$?


Choosing power supply, how to get the voltage and current ratings?


Steps to ensuring data integrity / security of Mac mini prior to sale?

iCloud Disassociation for a Mac Computer


What's stopping two independent observers from measuring the speed and position at the same time, separately?

Uncertainty principle and multiple observers


clean string from 'unit separator' (0x1f) character for xml

Why are "control" characters illegal in XML 1.0?


Can someone help me prove that $\tau(n)$ is odd iff $n$ is a perfect square.

A number is a perfect square if and only if it has odd number of positive divisors


How do I add a custom keybind to a button on any website?

Is it possible to set keyboard shortcuts on a webpage?


How do I unit test code that includes a callout?


X3DH protocol - What are One-time prekeys for?


Finding a mapping that is not continuous but open


Change the size of a particular piece of text

How do I use a particular font for a small section of text in my document?


\ref to algorithm/algorithmic not working

Why does an environment's label have to appear after the caption?


Why does passing a function to a javascript method not have an affect on the function context?

How to access the correct `this` inside a callback?


How do I examine defined constants in PHP?


Show that a next polynomial function sequence converges uniformly to $\sqrt{x}$

Prove $p_n(x) \rightarrow \sqrt{x}$ uniformly as $n \rightarrow \infty$


$\lim\limits_{n \to{+}\infty}{\sqrt[n]{n!}}$ is infinite


Minutes not converting to hours properly in SQL

Why does SQL Server round off results of dividing two integers?


When should one edit someone else's answer vs. Adding your own?

Is it OK to edit a correct answer for fullness instead of answering?


Finding the State Space Model of a linearized Equation of satellite

How to express a 2nd order ODE as 1st order ODE's?


Why can't I pass function evaluation as constructor parameter in c++?

My attempt at value initialization is interpreted as a function declaration, and why doesn't A a(()); solve it?


Can I be sued if I have a similar logo to a company

What should happen if a logo I made is similar to another?


Georeferencing vector PDF/SVG/DXF linework using QGIS?

Georeferencing vector layer with control points using QGIS?


Proving Two Sets are Equal - Infinite Sets - Example


I am having trouble implementing a "while" loop in Java


Passing NSString in NSURL causes app crash


Why is there no call to the constructor?


Every time i open my pc i am asked to install ubuntu

Can't boot without Flash Drive plugged in


How to use win32gui FindWindow with Wildcard


Where to put custom validator in Laravel?

Laravel 4 custom validation rule - where to extend the validator?


Is this set countable? (intervals in $\mathbb{R}$)


How to add memtest86 entry to grub2 menu?

How can I add the Memtest86+ options back to the Grub menu?


Alpha channel is white, not transparent, in Texture mode

Can blender use the Alpha channel of an image as transparency on a plane?


Kworker, what is it and why is it hogging so much CPU?


Sysdig - version in Ubuntu repository is outdated? (Ubuntu 18)

Why don't the Ubuntu repositories have the latest versions of software?


Format number with thousands seperator and 2 decimal places

How to format numbers as currency strings


Can a Byte[] Array be written to a file in C#?


Enumeration of rationals from Stein-Shakarchi's Real Analysis (Chapter 1, Exercise 24)


Where can I get an Ubuntu Installation CD/DVD/USB?


Get entries with most recent timestamp per month

Fetch the row which has the Max value for a column


Printing Java Collections Nicely (toString Doesn't Return Pretty Output)


Fantasy book about two brothers in the afterlife

Which 1970s UK fantasy kids TV show has an older brother die?


Print the key of the max value in a dictionary the pythonic way

Getting key with maximum value in dictionary?


Group Pandas dataframe based on highest occurring values

GroupBy pandas DataFrame and select most common value


13.10 to 14.04 upgrade aborted but then completed

"The upgrade has aborted" error, how to proceed?


Function does not compile with Greater in it


Finding a characteristic function of a product of two normal random variables

Characteristic function of product of normal random variables


SharePoint 2010 - SharePoint Designer notification: The list of workflow actions on the server references an assembly that does not exist


Do villages take the Y-Axis into consideration?


Travelling when my Schengen visa expires: Can I renew it in a country where I am not a resident?

Can I apply for a Schengen visa at a country where I'm not a citizen? If so, under what conditions?


How to create a totally separate instance of object in JavaScript

What is the most efficient way to deep clone an object in JavaScript?


Can a simple difference in Python3 variable names alter the way code runs?


Set global variable within anonymous function

How do I return the response from an asynchronous call?


How can I develop for iPhone using a Windows development machine?


Security implications of forgetting to quote a variable in bash/POSIX shells


Hard puzzle about people walking in the street.


Combining gradient color schemes on a ContourPlot


Surjectivity between Local Noetherian Rings


How can I install a Canon printer or scanner driver?


Flipping Vertical Axis in ParametricPlot

How do I reverse the axis in ParametricPlot?


Accessing nested JavaScript objects and arrays by string path


Applications of the Axiom of Regularity to non-set-theoretical Mathematics

Where is axiom of regularity actually used?


Why do electron and proton have the same but opposite electric charge?


Where do files go when you AirDrop them on iOS?


sed -i - edit files in place does not work in compound commandq


Prove that for every natural number $n$ and for every real numbers

Prove: $ \frac{1}{\sin 2x} + \frac{1}{\sin 4x } + \cdots + \frac{1 }{\sin 2^n x} = \cot x - \cot 2^n x $


Space used by /home does not match df -h

Disk full, du tells different. How to further investigate?


Yosemite won't accept administrator password

How to recover from a forgotten password for MacBook Pro?


python difference between "==" and "is" when compare object properties

Why does comparing strings using either '==' or 'is' sometimes produce a different result?


Java: The subclass seems to have inherited the superclass' constructor? Please explain the output

Inheritance in Java - creating an object of the subclass invokes also the constructor of the superclass. Why exactly?


What could cause Timing to report erroneously?

Difference between AbsoluteTiming and Timing


Passing a string literal as a type argument to a class template


Threads spun with Task.Run always exit with exit code 259


T-SQL SELECT combine multiple rows into one column

Sql group rows with same value, and put that value into header?


NullPointerException in my code. May I ask how to fix it?

What is a NullPointerException, and how do I fix it?


how can i install adobe flash player 11.tar.gz file on ubuntu 13.04


i see parallel vertical black lines at the bottom when zoomed in the workspace

Unwanted Lines when rendering using GPU and OpenCL (RX 580)


Querying the Column Name from another Oracle User

Query columns names from a table from another user


Did all stories in "The Fountain" happen?

Is "The Fountain" a story about time travel, or a husband's grief?


How do you set requirements (such as minimum length) on passwords?


Login failed on Spring Security 5.0.1 after upgrade from 3.2


Testing JavaScript code from the command line


Inference from the posterior predictive distribution


Can't login to Ubuntu server 14 after fresh install; never given chance to set password in first place

How do I reset a lost administrative password?


Proving the number of $n$ length binary strings with no consecutive $1's$ $b_n$ is equal to $b_{n-1} + b_{n-2}$


Inconsistent default site in the dropdown menu on the reputation leagues

User reputation league site switcher doesn't show the selected site name


a and b commutes of order p q with p and q co-prime show that ab is order pq

Show that the order of $a\times b$ is equal to $nm$ if gcd(n,m)=1


Citing an enumerated item in text with beamer bullet


How to round a time to the nearest 15 minute segment


Is it possible to turn off the trackpad low battery notification?

How can you disable the low battery warnings for bluetooth devices?


data[2:2 * n + 2:2] in relation to the code below


Why does Linux have both a shadow file and passwd file?

What is purpose of /etc/shadow and shadow cache files in Linux operating system?


You can't use `macro parameter character #' in restricted horizontal mode.

How to obtain verbatim text in a footnote?


Suppose $0,0,1,0,0,1,0,0,1,...$ is a sequence. What is the general term of this sequence?

What Is The General Term Of These Sequences?


How do i sort this data based on key value "name" using loops

How do I sort a list of dictionaries by a value of the dictionary?


Is there any way to thank editors of my questions?

How can I acknowledge, thank, or otherwise approve of an edit?


It is rated to 20A @ 28VDC, but I was wondering with a reduced current (16A), it can withstand a higher voltage

Relay: higher voltage allowed at lower current?


How to compare (probability) predictive ability of models developed from logistic regression?


Let's Encrypt, Apache2 - Editing vhosts properly


Help for a new character similar to sqcup with yellow filler

How to look up a symbol or identify a letter from a math alphabet or other character?


What are good settings to use for exposure bracketing?

What are good starting settings to store for exposure bracketing shots?


How to tell in content script that I am loading the top window and not an iframe?

How to identify if a webpage is being loaded inside an iframe or directly into the browser window?


how to make the changes to source .profile permanent


*Why* are eigenvectors the principal components in Principal Component Analysis?

Making sense of principal component analysis, eigenvectors & eigenvalues


Delete and cast. Will delete free the right amount of bytes?

deleting a buffer through a different type of pointer?


Notification for reviews shows way too many

Notify users of possible reviews on toolbar


How do you alter the appearance of points in a ggplot2 legend?

ggplot2: Adjust the symbol size in legends


Why the X is the symbol associated to the “Close application” action?


Can abilities with no "tap/untap" cost be activated while a creature has summoning sickness?

Can I tap a creature with summoning sickness to pay "tap an untapped creature you control" costs?


Unable to connect to mixed b/g/n wifi network on Ubuntu


Using two different font sizes in math mode

What are good learning resources for a LaTeX beginner?


Why Memory size is less than the one Specified on Memory Storage Devices?

Why are hard drives never as large as advertised?


What is a NullPointerException, and how do I fix it?


executing java with python and then give it to data

How to execute a program or call a system command from Python


Please allow expired close/open votes to be re-cast

Age close votes after 14 days, regardless of views, allowing recasting


Convert multiple rows into one with comma as separator

How to concatenate text from multiple rows into a single text string in SQL server?


Biblatex with Biber: Configuring my editor to avoid undefined citations


Show that $1^k+2^k+3^k+ \ldots +n^k$ is divisible by $ 1+2+3+ \ldots +n$

Showing that $1^k+2^k + \dots + n^k$ is divisible by $n(n+1)\over 2$


Why won't Mathematica Solve a set of two equations for one variable?


Does it make sense to use logistic regression in R when both my IV and DV are dummies?

Logistic regression with binary dependent and independent variables


Are the terms probability density function and probability distribution (or just "distribution") interchangeable?

Probability density and distribution function


How do I find out which process is eating up my bandwidth?


Could not find required OpenGL entry point 'glGetError' ethier your video card is unsuported or you need to update open GL.

Ubuntu 13.04 "could not find required OpenGL entry point 'glGetError'!"


error while installing windows 7 through virtual box

How do I enable hardware virtualization technology (VT-x) for use in Virtualbox?


Do I need 50mm lens If I have 24-105 lens for canon 6d?


How can my regression coefficients be so far from the underlying model?

How to interpret coefficients from a polynomial model fit?


Unexpected output for this following code

How to find the 'sizeof' (a pointer pointing to an array)?


What happens when a Shapechanged Dragon enters an Antimagic Field inside a narrow space?

What happens when Wild Shape/Polymorph runs out in a space that's too small?


How do I create a custom role capability?


Why does a space in my scanf statement make a difference?


Pick details of FB user logged in another browser tab (PHP)

Why is Facebook PHP SDK getUser always returning 0?


How would you set this up in Excel 2013?

How to compare two columns and find differences in Excel?


How do I run a command in a different tty?

Execute command in remote active terminal


Show that any constant function between topological spaces is continuous

why all constant functions are continuous.$?$


Texture disappears when "Render Image" is clicked


Preventing DDOS/SYN attacks (as far as possible)


C++ sorting and keeping track of indexes


what is the person who is always nosing in people's business?

Word for person prying on my personal stuffs


installing OpenSwan xl2tpd for IPSEC/L2TP VPN

How do I restore the default repositories?


How should semiconductors be understood?

What are "electron holes" in semiconductors?


Installed Ubuntu 14.04 LTS, set a password, and when computer restarted, I typed in a password that Ubuntu said is incorrect

How do I reset a lost administrative password?


How to remove Ubuntu and put Windows back on?


If $\lim_{n\to\infty}a_{n}=l$, Then prove that $\lim_{n\to\infty}\frac{a_{1}+a_2+\cdot..+a_n}{n}=l$

Prove convergence of the sequence $(z_1+z_2+\cdots + z_n)/n$ of Cesaro means


Let $K$ be a field and $f(x)\in K[X]$ be a polynomial of degree $n$. And let $F$ be its splitting field. Show that $[F:K]$ divides $n!$.


Renamed Web project, now finding ambiguous namespaces


Prove by induction that $3\mid n^4-n^2$ for all $n \in \mathbb{Z^+}$, $n\ge2$.


Natbib with numbering: citeauthor, citeyear, horizontal white space

What is the use of percent signs (%) at the end of lines? (Why is my macro creating extra space?)


How to look up a symbol or identify a letter from a math alphabet or other character?


can't install ubuntu along with windows 8.1

How do I install Ubuntu alongside a pre-installed Windows with UEFI?


Vertical alignment of align* in enumerate


Accessing longitude, latitude outside the geocode() function

How do I return a longitude and latitude from Google Maps JavaScript geocoder?


Extracting raster values at points using Open Source GIS?


My mesh is stuck in lines mode, it renders with faces, but they don't show when editing

Can't get my model out of wireframe mode


How to set all text in all slides to the same font?


Is readability ignored in mathematics? If so, why?

Why do mathematicians use single-letter variables?


Something specific or a specific something ,which one to use?

Is "something red" an example of ellipsis or adjectival positioning


Prove that $\int_0^\pi \ln(1+\alpha \cos x)\, dx= \pi \ln\left(\frac{1+\sqrt{1-\alpha^2}}{2}\right)$

Verification the integral identity $\int_0^\pi \ln(1+\alpha\cos(x))dx=\pi\ln\left(\frac{1+\sqrt{1-\alpha^2}}{2}\right)$.


Difference between mandatory and obligatory

Are the words "mandatory," "obligatory," and "compulsory" interchangeable?


A number theory problem, about prime number

Show $GCD(a_1, a_2, a_3, \ldots , a_n)$ is the least positive integer that can be expressed in the form $a_1x_1+a_2x_2+ \ldots +a_nx_n$


What is the formula for determine heating produce by a lens?


The smallest prime factor of a factorial plus one

Determine whether $712! + 1$ is a prime number or not


Nautilus doesn't launch on Ubuntu 16.04 :(nautilus:3653): GLib-GIO-CRITICAL

Nautilus not opening up, showing GLib error


/dev/sda7: clean, ..... files, .... blocks

"dev/sda1: clean, ..." This message appears after I startup my laptop, then it won't continue booting


What were the immediate death tolls of Order 66?

How many Jedi were there at the time of the purge?


How to Migrate Stackechange account to a new one?


Is there documentation for the Rails column types?


How would you handle a D&D 4e Total Party Kill without killing them?

How can I prevent a TPK without obvious Deus Ex Machina?


How to get the type of T from a member of a generic class or method


How can i install .deb files from terminal , i tried different ways in askubuntu

How do I install a .deb file via the command line?


How to solve the "io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: no further information" error on Minecraft?


Flagging question as off topic - where is ServerFault option?

Regarding the high number of rejected migrations from Stack Overflow to Server Fault


Should I use a StringBuilder or a StringBuffer in Spark?

Difference between StringBuilder and StringBuffer


Counting occurrence of specific value in an Array with PHP

Count number of values in array with a given value


Bash script -ne comparison giving "command not found" error

Brackets in if condition: why am I getting syntax errors without whitespace?


Use a polygon for a reverse cookie cutter


What answer should I choose as the correct answer for my question?


python program as "sit and wait listener"


Prove that the limit of the function a sequence is the same as the function of the limit of the sequence

Show that: lim$_{n\rightarrow \infty}\,f(x_n)=f(\text{lim}_{n \rightarrow \infty} \, x_n)$


Are categorical variables standardized differently in penalized regression?

whether to rescale indicator / binary / dummy predictors for LASSO


Bring back process after closing terminal

How do I attach a terminal to a detached process?


What does this "\" mathematics symbol mean?


Where to place my local website starting with the 2.4.7 version of apache2?


Is there a command to open the shutdown GUI?

What is the command to open the shutdown dialog?


sudo: /usr/share/doc/libdvdread4/install-css.sh: command not found

Can't play DVDs through either VLC, Videos, or Kaffeine


How do environmental kills charge the Ultimate Meter?

How quickly does the Ultimate Meter fill up?


Solve the recurrence for $T(n) = T(\sqrt n) + 2$. Assume that T(n) is constant for $n\leqslant 2$.

What is the solution to the following recurrence relation with square root: $T(n)=T (\sqrt{n}) + 1$?


How positron and electron annihilate forming photons?


Can I skip the first of a set of connecting flights?

Not flying the last segment of the first half of a return flight


c++ 11 overloading << (stream insertion) operator

Why can templates only be implemented in the header file?


"The remote certificate is invalid according to the validation procedure." using Gmail SMTP server


How to insert name of a cell into another cell?


SQL query using Integer ArrayList and PreparedStatement

PreparedStatement IN clause alternatives?


If catch statement is returning ,then why it is going to finally block?

Does a finally block always get executed in Java?


Background Scrolling like Zelda - A Link To The Past with XNA

How do I keep my character centred on screen?


Linearly independent eigenvectors of $2 \times 2$ matrix with same eigenvalue

Prove that T is diagonalizable if and only if the minimal polynomial of T has no repeated roots.


What is the difference between call and apply method in jQuery

What is the difference between call and apply?


Can A Boost Charger For iPhone Be Used With An iPod?

Can I use any USB charger with my iPhone?


How to write these formulas and equations

What are good learning resources for a LaTeX beginner?


Null Pointer Exception at Junit test with fileSystem and spring boot

What is a NullPointerException, and how do I fix it?


Choose 100 numbers from 1~200 (one less than 16) - prove one is divisible by another!


My keywords are decreasing - what should I do?

How to diagnose a search engine ranking drop?


How to obtain plain 'globe' Unicode character

Getting a normal looking unicode down arrow in a UILabel like this ⬇


In what order should I read the X-men comics?


What’s the correct way to refer to “the Doctor”?


Is $\mathbb{Z}/3\mathbb{Z} \times \mathbb{Z}/3\mathbb{Z}\hspace{0.5mm}$ isomorphic to $\hspace{0.5mm}\mathbb{Z}/9\mathbb{Z}$?

There exists only two groups of order $p^2$ up to isomorphism.


What are the most common pitfalls awaiting new users?


Can an Indian citizen visit Dubai on a layover?

Travelling from India to canada via Dubai and London. Do I need a transit visa


How can I SELECT rows with MAX(Column value), PARTITION by another column in MYSQL?


How do I detect if something is being clicked in JavaScript? (without using jQuery)

JavaScript event registering without using jQuery


What happens when you swap out a required feature to get into a PrC?

Do you lose your prestige class features when you no longer meet its requirements?


Parsing an Int from a string in javascript


95% Confidence Bands Around Normal Plot?

Determing two Nonlinear model fits with 95% confidence bands from one data set


I have given all the blue “eyes” but it will not give me the star. Why?

How do I get the star element in the room with the eight closed eyes?


How can one variable-args function call another?

Passing variable number of arguments around


biblatex, authoryear style: In-text citations display first name initials for certain bibliography entries


exporting 20k or more records from MY SQL to CSV using php

How to output MySQL query results in CSV format?


Is MVT for integral true without the condition, $g>0$ or $ g<0$?

Mean value theorem for integrals: how does the sign matter?


How to create the Case with Attachments in single Rest API call

REST api to upload multiple notes and attachments at once


When I am typing sudo I am getting the alert like this. How can I fix it?

How do I fix this "E: Type '*' is not known on line * in source list ..." update error?


Is it plagiarism if my logo looks similar to an existing one?

What should happen if a logo I made is similar to another?


how to make bash shell display colorful text?


Why isn't sizeof for a struct equal to the sum of sizeof of each member?


Is putting a div inside an anchor ever correct?


What hardware does Ubuntu Touch support?


Why the Survey Corps doesn't find a human body inside each titan?

What happens to the human inside the titan when the titan dies?


Go to next approval process step with Apex

Approve/Reject many Records at once via Apex


The function $f : \mathbb{R} \to \mathbb{R}$ satisfies $f(x) f(y) = f(x + y) + xy$ for all real numbers $x$ and $y.$ Find all possible functions $f.$

BMO1 2009/10 Q5 functional equation: $f(x)f(y) = f(x + y) + xy$


Is there a software utility to adjust screen gamma/brightness/contrast?


how to select record whose matching percentage is higher than other using like operator in sql server?


Way to Reboot and Restore All Programs, ETC on Restart

Restoring open software after a restart event in windows


Return value from nested function in Javascript

How do I return a variable from Google Maps JavaScript geocoder callback?


Can switching to Ubuntu free up disk space?

What are the system requirements for each flavour of Ubuntu Desktop?


When is a gerund supposed to be preceded by a possessive adjective/determiner?


Why does | bitwise OR operator evaluate both sides when 1 is found in first side?


Euler-Lagrange equations using $\vec{E}$ and $\vec{B}$ instead of $A^\mu$

Least-action classical electrodynamics without potentials


What is the difference between TeX and LaTeX?


How are Anonymous inner classes used in Java?


how to check the valid Youtube url using jquery


Which of these is a domain name? What's the difference between subdomain and hostname? I'm getting conflicting information

What is a hostname versus a computer name versus a subdomain versus www?


How do I return the response from an asynchronous call?


Limit of $\lim _{\left(x,y\right)\to \left(0,0\right)}\left(\left(xy\right)\ln \left(x^2+y^2\right)\right)$


Always Error "Null Pointer Exception" on ListView Android Studio

What is a NullPointerException, and how do I fix it?


Is it safe to knowingly buy an oversized (67-inch) suitcase? Are size limits enforced?


How do you run multiple programs in parallel from a bash script?


IP Address filter 'before' http secured connections for protection against DDoS attacks?


From Discrete to continuous Probablities

Intuition of pdf of a continuous random variable


Horizontal shift in fitting data by a sinusoidal nonlinear model


apt-get update not working (LOOK STACK-TRACE)


Can I download an older version of an app from the App Store?

How do I install an older version of an app on an iPhone?


Apparently no error in update query but the record is not updated

Syntax error due to using a reserved word as a table or column name in MySQL


How to change title font size in secsty?


How is /etc/default/grub generated during installation?


How to design a database with product-dependent columns?

Optimum design / structure for product data database?


how to perform character concatenation in java

String concatenation: concat() vs "+" operator


Can I replace a 20x2.25 tyre with a 20x1.75 tyre?

What is the maximum or minimum tire width I can fit on my bicycle


bibliography entry all on one page (formatting)

How can I force bibliography items not to be split across pages?


How can I fully change "Password doesn't match confirmation" error message activerecord

removing field name from validation error message


Accidentally deleted then reinstalled kernel- Want to check I'm ok


error message with apt-get update command

What is the easiest way to resolve apt-get BADSIG GPG errors?


get and set iframe content height auto resize dynamically easy solution expanding tutorial

Auto resize iframe height when the height of the iframe contents change (same domain)


Not able to find Output files for multiple input using for loop

Best way to remove file extension from a string?


Why is P value interpreted under null hypothesis?

If we disbelieve $H_0$, why quote a p value calculated assuming $H_0$ was true?


Solving a Diophantine equation with a large solution


Python time conversion format of 2017-10-15T03:15:04.293

How do I parse an ISO 8601-formatted date?


I have a small eror in my code here (swing-java-JFrame)

What is a NullPointerException, and how do I fix it?


Apache is taking requests for all subdomains leading always to the same virtual host

How does ServerName and ServerAlias work?


Alternatives for deploying an app in a computer without the .Net Framework

Can you compile C# so it doesn't need the .NET Framework at runtime?


How to display all the dates between two dates stored in my table by single query?


How can I make my Windows keyboard shortcuts work on a Mac, exactly how they do on Windows?


Still possible to pin dock in OS X 10.10 Yosemite?

Pinning the Dock to a Corner in Yosemite/El Capitan


Should I submit bank statements when applying for a UK Visa? What do they say about me?


Dialog with transparent background in Android


Grep options for Regular Expressions. (ERE, BRE, Perl regex) differences

Why does my regular expression work in X but not in Y?


How to solve the WordPress install complete


Realtek Wifi is Not Working on Xubuntu 18.04 LTS


How can I start a service of an app when the device boots? (Android)


Simplify $\arctan (\frac{1}{2}\tan (2A)) + \arctan (\cot (A)) + \arctan (\cot ^{3}(A)) $


How to use Whatsapp mobile application on Ubuntu Touch?


Wallpaper not updating on startup/login screen

How do I change the login screen background in macOS Mojave?


A site (or scraper) is copying content from Stack Exchange. What should I do?


Cycles render Blender 2.79b - Texture/Material being rendered solid black

Strange black shading. Cannot fully light mesh. (Cycles)


Calculating a power in Java without power function in O(log) time

The most efficient way to implement an integer based power function pow(int, int)


When does a function NOT have an antiderivative?

How can you prove that a function has no closed form integral?


How to install programs compressed on linux

How do I install a .tar.gz (or .tar.bz2) file?


Recovering a unsaved word file after four days

Recovering lost text which was copy pasted from a website to MS Word


Solve covariance matrix of multivariate gaussian


How do you remove a default program association for file types in Windows 7?


Finding the minimal distance between two lines?

Finding the shortest distance between two lines


As a regular user, what is my incentive to continue to contribute?

To stay or to quit: a conflicted user's guide


How do you account for the fact that the field points in a particular direction when the charge density is uniform?

Gauss's law in a uniform charge distribution extending infinitely in all directions


roots: square roots, cube roots, x^1/4, x^1/5

Why is the even root of a number always positive?


How to let `dpkg -i` install dependencies for me?


Using a given result to prove that $\int_{0}^{\infty} \frac{ \sin^4 (x)} {x^4} = \pi/3$

Prove $\int_0^\infty \frac{\sin^4x}{x^4}dx = \frac{\pi}{3}$


Apex Trigger : Too many SOQL queries: 101


Does Blender support dual-GPU rendering if the two GPUs aren't the same?


chisq.test in R doesn't produce same answer as by-hand

What is wrong with this chi-squared calculation?


Dirac delta function equation intuition and proof

The magnetic field of a magnetic monopole


Is there a difference between copy initialization and direct initialization?


Get surface that java.awt.Graphics is rendering onto, and then capture current display


Biblatex with Biber: Configuring my editor to avoid undefined citations


What would be the best approach to get the recordtype id


In Illustrator, how do I select every "," on the page?

Is there any way to replace "words" in Adobe Illustrator?


How to update Galaxy S4 to Lollipop or Latest Android version?


Correct Way to Install Node.js in a Multiuser Server?


Is the irrationality measure function surjective?

Transcendental numbers and irrationality measure


How can I prevent memory size exhaustion when dumping variables in Twig?

How to make use of Devel debugging functions on large or complex objects


How do I allow another player in my world?

How do I get on a Minecraft PE server when it says 'invalid name'?


Polynomials having as roots the sum (respectively, the product) of two algebraic elements


Work done by gravity on falling object does not seem to equal change in mechanical energy


Physical or geometric meaning of complex derivative

Geometrical Meaning of derivative of complex function


Flat Earth Horizon vs Spherical Earth Horizon

How far into space does one have to travel to see the entire sphere of earth?


How to create a working windows xp usb stick in Ubuntu14.04? & how to dual boot with it

How can I create a Windows bootable USB stick using Ubuntu?


If Equal to String Doesn't Work in Firestore Snapshot Listener


How to kill a process which can't be killed without rebooting?


Problem viewing document in TEXmaker "Fontspec requires XeTeX or LuaTeX"

Use XeLaTeX in Texmaker instead of pdfLaTeX


Non-interactive fixup until specified hash

Combine or rebase an arbitrarily large number of commits


Calculate the limit of $\sqrt{n^2-3n}-n$ as $n \rightarrow \infty $


How can I uncheck a checked box when another is selected?

how to I uncheck boxes when checking others with jquery


Plotting functions with many variables - organization

How to generate abstraction clauses programmatically?


Why is there more than one Stack Exchange site for one topic?

Massive overlap between sites regarding Linux


Should a function have only one return statement?


Tomcat 9.0 getting error while deploying .war file

What is a NullPointerException, and how do I fix it?


Array.filter duplicates when returned variable changes

What is the most efficient way to deep clone an object in JavaScript?


Standardize binary variables in cluster analysis?

whether to rescale indicator / binary / dummy predictors for LASSO


Code block is not properly formatted when placed immediately after a list item


A surjective linear map (T:E -> E) implies a bijective linear map?

Linear map $f:V\rightarrow V$ injective $\Longleftrightarrow$ surjective


How does this JavaScript/jQuery syntax work: (function( window, undefined ) { })(window)?


Can I make something like a 'snapshot' of the loaded packages?


suspend wakes up immediately: can you read this kernel log for me?

Kernel suspends too quickly, upon resume continues suspend tasks


Probability that exactly k bins are empty, given m balls and n bins?

$n$ balls are thrown randomly into $k$ bins - how many are empty?


direction of friction between block and table

Direction of Friction on two stacked boxes


What is the best free automation tool for Windows applications

What are some good open source UI Testing tools for testing Windows GUI?


Convergence of ${a_n}$ = $\sum _1^n \frac{1}{n^{1+\alpha}}$

Self-Contained Proof that $\sum\limits_{n=1}^{\infty} \frac1{n^p}$ Converges for $p > 1$


Calculate how many possible key pairs exist in RSA

How to calculate number of possible key pairs in RSA


When is it correct to capitalise 'earth'?


Angular momentum of a rolling sphere in relation to axis

How can angular velocity be constant even when there is a torque by friction?


Combined annual contribution limits for individuals

Are 401(k) & IRA Contribution Limits Mutually Exclusive?


Sending an SSD back, disk is encrypted; how erased is erased?

What is the recommended way to empty a SSD?


Why do I have to set LD_LIBRARY_PATH before running a program, even though I already linked the library locations in the compile stage?

Where do executables look for shared objects at runtime?


If α and β are 2 roots of $a \tan θ+b \sec θ=c$ then how the roots of $(a^2-b^2)\tan^2θ-2ac \tanθ+(c^2-b^2)=0$ are $\tan α$ and $\tan β$?

$\alpha$ and $\beta$ are solution of $a \cdot \tan\theta + b \cdot \sec\theta = c$ show $ \tan(\alpha + \beta) = \frac{2ac}{a^2 - c^2}$


How can I see system logs while booting up ubuntu?

How can I show or hide boot messages when Ubuntu starts?


Different random seeds lead to big classifier performance difference


Annotating output without changing the value

Notebook formatting - easier descriptions for equations and results?


Accessing JSON object keys having spaces

JavaScript property access: dot notation vs. brackets?


Windows Subsystem for Linux without Windows Store

Is there a way of installing Ubuntu (Windows Subsystem for Linux) on Win10 (v1709) without using the Store?


How can I print intermediate results from a pipeline to the screen?

How can I gzip standard in to a file and also print standard in to standard out?


Need a Optimised solution for Asp.Net Fileupload


Correlation between GRE Scores and Profile

How does the admissions process work for Ph.D. programs in the US, particularly for weak or borderline students?


Java BufferedReader back to the top of a text file?


How can I search my own answers over the whole Stack Exchange network?

How to search a string in the list of answers added by me on Stack Overflow?


Get parent directory of shell script's directory

How can I get the source directory of a Bash script from within the script itself?


Icons in Win32 Property Pages are ugly - 4 bit icons

Why are icons in property sheets rendered with so few colors?


Malformed line error fixed update/ upgrade errors:

What should I do when the GETDEB repository is down?


Output the common lines (similarities) of two text files (the opposite of diff)?


Module, block or whatever to scope variables without explicitly listing them?

Variable scope similar to other languages


Unable to pass double to a function with a template

Why can templates only be implemented in the header file?


How to keep chocolate from melting when bringing it for a flight?

What is the average & max temperature of an airplane cargo hold?


JavaScript function expression assigned to a variable (pass by reference or value?)

Is JavaScript a pass-by-reference or pass-by-value language?


How to find last two digits of $2^{2016}$


How to solve this limit problem? $\lim_{n \to \infty} \left ( \sqrt{n + \sqrt{n}} - \sqrt{n - \sqrt{n}} \right )$

How to evaluate $\lim_{x \to \infty}\left(\sqrt{x+\sqrt{x}}-\sqrt{x-\sqrt{x}}\right)$?


How to informally address a mixed gender group of people?


You told a child that the boy's about to jump into the pool. Now, the boy has just jumped into it. Is it ok to say "there he goes" or "there you go"?


System freezes when using too much memory in Python

Memory limiting solutions for greedy applications that can crash OS?


Where'd those guys on the Millennium Falcon go?


travel london from Paris on schengen visa

Can I enter the UK with a Schengen visa?


how to Draw the letter geometrically by points


Problems while assigning values in 2-D lists created using two different methods

List of lists changes reflected across sublists unexpectedly


Question mark or bold citation key instead of citation number


Best practices for circular shift (rotate) operations in C++


any way to manipulate airplane mode programatically? android


Which is the correct tense to use with 'by'?

Is past simple ever justified with 'by'?


How to select cog for emergency single speed conversion with a broken derailleur


Is there a Mac screen capture tool that will export to animated gif?


Learning web design with limited options

How can I start to learn web development?


Photoelectric experiment explaining particle property of light

Why wave theory cannot explain photoelectric effect and provides evidence for particle nature of light?


Will older Adobe Applications (CS5/CS6) work with Mojave?


how do I install 12.04 when I am using 13.8?

How to roll back Ubuntu to a previous version?


How can I find the Xpath of an Element in IE 11 browser? Can you please explain me with full steps?

Equivalent of Firebug's "Copy XPath" in Internet Explorer?


Why is present perfect not possible in this case

Can the past simple or the present perfect fit in this example with yet


Determine all the prime ideals of $\Bbb Z[x]$ (maybe a different method)

Classification of prime ideals of $\mathbb{Z}[X]$


How to find a stop sign in a picture. Is ComponentMeasurements feasible?

How to find circular objects in an image?


Test class not showing the code coverage?


Make real ubuntu installation on usb stick


The integer part of $\sum_{k=0}^{44}\frac{1}{\cos(k^\circ)\cos((k+1)^\circ)}$

Find the sum : $\frac{1}{\cos0^\circ\cos1^\circ}+\frac{1}{\cos1^\circ \cos2^\circ} +\frac{1}{\cos2^\circ \cos3^\circ}+......+$


Calculate the limit of $\frac{1}{n+1} + \frac{1}{n+2} + ... + \frac{1}{2n}$

Find the limit $\lim_{n\rightarrow\infty}\sum_{k=1}^{n}\frac{1}{k+n}$


Combinatorial proof of summation of $\sum\limits_{k = 0}^n {n \choose k}^2= {2n \choose n}$


Replacing special ALPHABETS in python string

What is the best way to remove accents (normalize) in a Python unicode string?


how to apply separately online for tourist visa for UK for a family (Husband, Wife and Child)?

How to apply for a UK standard visitor visa as a family?


Why are objects allowed to be used after a block?


If I have an ESTA approved for transit, can I visit a second time as a tourist?


How should we deal with flags for chat messages for rooms that are in a different language?

How do I respond to chatroom flags for a site in non English language?


How connect the community user with User-Password Flow via REST API?

OAuth 2.0 Username-Password Flow Problem - unsupported_grant_type


How to escape the % (percent) sign in C's printf?


PHP Mysqli Fetch_array causes 500 Internal error

mysqli_fetch_assoc() expects parameter / Call to a member function bind_param() errors. How to get the actual mysql error and fix it?


What is an undefined reference/unresolved external symbol error and how do I fix it?


Should I mention in my statement of purpose that I am applying because of my girlfriend

Should an applicant to an university mention that her spouse is currently a student in the same University, as part of her SOP?


Are drops in Google ranking common after switching to https?


Objects being moved with each other inside an area

Duplicate objects transformation applies to both objects


Issue with output from an if...else function in python

Is there a difference between "==" and "is"?


Evaluate the series $\sum _{n=1}^{\infty} \frac{n}{5^n}$

How can I evaluate $\sum_{n=0}^\infty(n+1)x^n$?


Are questionnaires permitted on Stack Exchange sites?


print() without newline does not work when reading from stdin


does volatile keword in java really have to do with caches?

What is the volatile keyword useful for?


Page numbers > 99 in the table of content are not aligned correctly (cleanthesis)

Fix formatting errors of page number > 99 in table of contents?


Do compacta in $\mathbb R^n$ have finite Hausdorff measure?


How can I add reflection to a C++ application?


Draw cirlcle on Equirectangular projection

Great-circle lines in Equirectangular projection


Why $\mathbb Z_2\otimes_{\mathbb Z}\mathbb Z_3\cong \{0\}$?

Proof of $(\mathbb{Z}/m\mathbb{Z}) \otimes_\mathbb{Z} (\mathbb{Z} / n \mathbb{Z}) \cong \mathbb{Z}/ \gcd(m,n)\mathbb{Z}$


Choose when updates are installed option missing - windows 10


python... encoding issue when using linux >

Understanding Python Unicode and Linux terminal


Are there inexpensive tools to monitor student iPad’s?

Effective way to deal with misuse of mobile devices in class


Question about Eulers formula $v - e + f = 2$


Ubuntu 17.10 not recognizing Broadcom wireless adapter BCM 4360 [14e4:43a0]


Number of vertices after taking out an edge from a tree

Graph theory: Tree holds two sub-tree with an amount of vertices


Authoritative link to provide users in comments for minor edits

Too Minor rejection reason needs either to be reworded or removed


Injecting EntityManager using Spring ( Null Pointer Exception )


How to pass Unicode characters as JSP/Servlet request.getParameter?


Where does the energy of a redshifted photon go to?


How to make functions recall previously calculated results?

What does the construct f[x_] := f[x] = ... mean?


How do I find the location of the executable in C?

Finding current executable's path without /proc/self/exe


Dual boot Ubuntu+Windows 8: Ubuntu won't show up

How do I install Ubuntu alongside a pre-installed Windows with UEFI?


Is it bad to answer off-topic questions, knowing they are off-topic?


Diophantine Equation and Congruence Problem

Solve the following equation in positive integers $x$ and $y$


How can i calculate this combinations sum?

How to prove this binomial identity $\sum_{r=0}^n {r {n \choose r}} = n2^{n-1}$?


need one counter example for sum of two closed set need not be closed

Sum of two closed sets in $\mathbb R$ is closed?


Where does the half of Potential energy go?

If string is stretched just by weight, where does the gravitational potential energy goes if only half is converted to elastic potential energy?


Can message go to spam because of X-AUTH and X-SID fail on hotmail

How to send emails and avoid them being classified as spam?


PDF text conversion results in gibberish


trying to understand network layer(s) in WebAPI server cluster


What is the difference between alignat and align environment and how to use them correctly?

Difference between align and alignat environments


How do I know that the quantity of salt is enough for a given amount of flour?


Is the following series $\sum_{n=0}^\infty \frac{n^3}{n!}$ convergent and if so what is the sum?


Best way to check online status on html5

Detect the Internet connection is offline?


Decrypt affine cipher given encryption key

Knowing the key, how do I decrypt the affine cipher?


Money Exchange (CHF to USD) in Switzerland, Canada or in the USA?

When traveling to a country with a different currency, how should you take your money?


How may one show that $|\sin x-\sin y|\le |x-y|$?

Show that $\left | \sin a - \sin b \right | \leq \left | a-b \right |$


Chrome Extension Incognito Mode: Check if activated or start with a button?

How can I enable my chrome extension in incognito mode?


Committing transactions while executing a postgreql Function


New Windows user need help installIng Ubuntu

How do I install Ubuntu alongside a pre-installed Windows with UEFI?


Timestamp retrived with `date -r file` does not fit the time order of commands


How to compute inverse polynomials modulo an integer

Let $\theta$ be a root of $p(x)=x^3+9x+6$, find the inverse of $1+\theta$ in $\mathbb{Q(\theta)}$


What is the impact of , ,  or  elements on SEO?


What is the use of event bubbling and event capturing?


What will be the equation of a wave on a string?

What is the difference in the uses of $\omega t$ and $kx$ in wave equation?


Show that the sum of zeros and poles of elliptic function is lattice point

Show that $\int_{\partial P}z\frac {f'(z)} {f(z)} dz $ is on the lattice $\Lambda$


Why does the single slit in Young's Double slit experiment need to be narrow?

Why must the single slit in a double slit experiment be narrow?


which would be the steps to include a prepopulated sql database?


css having a full height div next to a fixed height one?

Make a div fill the height of the remaining screen space


What does "is hashed" mean when using the type command?


Does C1 code coverage analysis exist for Ruby?


Why do news stories tend to use "robbery" when they mean "mugging"?

What is the difference between "getting robbed" and "getting mugged"?


Cannot install pinguy builder and found some errors package

How to let `dpkg -i` install dependencies for me?


Give the combinatorial proof of the identity $\sum\limits_{i=0}^{n} \binom{k-1+i}{k-1} = \binom{n+k}{k}$