To + verb, bare verb or verb + ing in noun phrases

How does one know when to use a gerund or an infinitive?


Physical interpretation of $\iiint (∇\cdot\vec E)\mbox{d} V$

Can someone give an intuitive way of understanding why Gauss's law holds?


ECS: Should Systems access only one component-type

Entity Component System: system and components relation


403 error after changing `DocumentRoot` to `/home/` subdirectory


CPU max utilization limited to 1/N CPU’s for MOST multi-threaded Apps on any Win OS : WHY?

Can a single-threaded program be made to use multiple cores?


How can I show notify-send messages triggered by crontab?


Java Code to open to RUN (windows + R) and execute a command


How to move windows panels of browser on Windows 10

How to change Google chrome windows order in the Windows task panel


Get scroll percentage in a dom container

Cross-Browser Method to Determine Vertical Scroll Percentage in Javascript


How to access a control in an .aspx page

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


Pathfinder - Why are there more than one BAB indicators on the class tables?

Making multiple attacks with attack bonus


Sort multiple csv files within a directory based on two columns


GdxRuntimeException on Android: couldn't load shared library 'gdx' for target


WhatsApp iCloud backup stuck at 0% and just won't move


How to make an element appear anywhere in XML Schema

How to allow an XML element to appear anywhere via XSD?


SetWrappedData for DataModel isn't working properly

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


Is there a option to store Stack Overflow posts?


How do I import an entire column from an Excel Sheet

Import a given column from an excel file?


Does the equation $𝑥^3+𝑦^3=3𝑧^3$ have any non-trivial pairwise co-prime integer solutions?

Three variable, third degree Diophantine equation


Copy string array to an existing string array in C#

Most efficient way to append arrays in C#?


What is deliberately using complex sentences to confuse people called?


Some users are mind bogglingly skilled at integration. How did they get there?


Is there ever a right time to not use Bessel's Correction?

Intuitive explanation for dividing by $n-1$ when calculating standard deviation?


How to list the tables in a SQLite database file that was opened with ATTACH?


How to unzip a zip file from the Terminal?


What is the command in the terminal to update Vim on Ubuntu?


SQL server language media doesn't support the language of the OS

SQL Server setup media does not support the language


How to prevent software updater from crashing in at 8 AM?

Is there a way to change what time the update manager checks for updates?


How to fix "Package is in a very bad inconsistent state" error?


How to navigate to implementing class from interface in Eclipse?

Jump into interface implementation in Eclipse IDE


Why can you create a variable of an abstract class?

What does it mean to "program to an interface"?


Which icon sizes should my Windows application's icon include?


Why is variable assignment preceding command ignored?

How do I set an environment variable on the command line and have it appear in commands?


PHP mysqli - sanitize user input data with UTF-8 input


How to prove that $\sum_{n=1}^\infty \frac{1}{n^2}=\frac{\pi^2}{6}$ without using Fourier Series

Different methods to compute $\sum\limits_{k=1}^\infty \frac{1}{k^2}$ (Basel problem)


How can I create a default dock for all users (Mavericks)?

OSX 10.8 - How to keep a custom dock for all users that login


Position of subscript associated with summation symbol

Show inline math as if it were display math (and vice versa)


why does vim has different escape character for newline between searching and replacing


iphone - hiding UITabBar without presentModalViewController or pushViewController

Fitting a UIDatePicker into a UIActionSheet


Is there a word for when something's name completely fits the description or personality?

SWR surname that in fact describes or applies to the human in question?


YouTube videos reload when I replay them?


Feature request: Add pronouns to usercards?

Can we make the "expanded user card" privilege universal?


Old question title for (cross-site) links

Replace trilogy raw links with the current question title?


Do the car body types matter in Rocket League?

Are all cars completely equal in regard to gameplay?


overfull and under-full errors. Not able to correct them, please help out

Having Overfull and underfull box warnings. Please help out as there are many matrices and equations


What can my ISP see when I use an elite proxy server in my browser?

What does my internet provider know about my online activities?


How do I prove $n! > n^3 , \forall n ≥6, n \in \mathbb{N}$?


Everyone is passed everything exactly once, but never from the same person


Prove $n < 2^n$ for all $n \geq 0$ using induction.

Basic mathematical induction regarding inequalities


I'm trying to install Sticky Notes in Ubuntu 16.04 but I get some errors

How can I fix broken sudo - sudo: parse error in /etc/sudoers near line 23?


What's the difference between "Deployment target" and "iOS deployment target" in Xcode 4

Xcode target Deployment Target vs. project Deployment Target


How do you track an email which has already been received by us?

Is there a way to obtain the true IP address of someone masking their IP?


How do I get a Broadcom BCM4313 wireless card working?


Providing additional fusing for multiple motors one branch circuit


How do one check with Php if a file is genuinely Editable

How to Check if File is ASCII or Binary in PHP


Low loss and low accuracy. What is the reason?

Why does the accuracy not change, when applying different alpha values in L2 regularisation


Move the launcher to bottom in Ubuntu 14.04


Belgium to UK travel with my wife through Calais/UK border

Do I need a visa to visit the UK with my EU partner?


Is there any way to save a raw image from my phone's camera?


Why does Linux based OS creates . file same directory and .. file in it's sub-directory? How does it work?

When you type "ls -a", what is the significance of "." and ".."?


How to create a strong halo light effect?


What possible characteristics may a local commutative unital ring have?


Javascript not finding div and class from ajax response

Event binding on dynamically created elements?


Question about the meaning of Variance/Standard Deviation

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


pgfplots: undefined control secquence in a foreach loop

PGFplots foreach equivalent to TikZ's with multiple variables separated by a slash


ec2-amazon instance can be accessed from outside avaibility zone?


What can I do if a repository/PPA does not have a Release file?


After routine update on 14.04, cannot even SEE internet (no ethernet, no wifi)


How many ways to choose the basis of a space

Number of bases of an n-dimensional vector space over q-element field.


Missing [?] notifications on edits of other users performed on own posts

No notification was received for an edit to a post


Special Characters in 14.04 with Alt Right

How to configure compose key in Ubuntu 14.04


What is the best way to clear the CSS style "float"?


Is the planet called "Earth That Was" totally uninhabited?


Javascript namespace - exchange of variable between functions

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


Does 'mean' / 'median' divides area under Probability Density Function (PDF) into half in case of normal distribution which is left/right skewed?

Why are mean and median not equal for asymmetric distributions?


Proof of Hlawka's inequality for complex numbers.


Bright pixels that appear on the model after rendering


How can I create an executable JAR with dependencies using Maven?


Prove that the union of countably many countable sets is countable.


Increasing the h-size of plots in plt.subplot() inside a loop - Python

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


How to know how many cpu time and other resource consumed by a function?

How to track php functions/codes duration of processing


How to change order of characters in a string? Python


How to use java.util.Scanner to correctly read user input from System.in and act on it?


How is rotational information transferred to a singularity?

How can a singularity in a black hole rotate if it's just a point?


rename theorem environment to proposition


Is it correct to use 'being' after a noun?

Can a present participle follow a subject?


What are the alternative Android app markets?


Boundary of product manifolds such as $S^2 \times \mathbb R$


How to round a number to n decimal places in Java


Why is ondemand not available as a governor for cpu frequency scaling?

Can't use "userspace" cpufreq governor and set cpu frequency


Drag down cell reference formula skipping 15 rows per reference

How to get a value from column 'A' in every 30th row in Google Sheets?


Prove that a function which is analytic in unit circle and satisfies $f(0)=1$ and $f(z) \ge 1 + |z|^ 2$ doesn't exist

No analytic function in $\{|z|<1\}$ such that $f(0)=1$ and $|f(z)|\ge 1+|z|^2$. Proof strategy


Do light particle/waves have a frequency?


Looking for a novel (or author of it) where the world is a seemlingly endless vertical cliff

Trying to identify a book about life on the side of an infinitely tall wall


Minimal surface and local minimizer of area functional

Is there a minimal graph in $\mathbb{R}^3$ which is not area-minimizing?


Problem creating a USB bootable disk for Windows 8

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


What is the maximum printing size for 12 Megapixels camera

Is there a general formula for image size vs. print size?


hyphenation command is countermanded - how to find the countermand? (dot is culprit?)

Specifying multiple hyphenation exception lists for multi-lingual documents


How To Move Bones Back Into Original Position After Applying Shape Key

Pose Mode: How to reset transformed armature to its rest position?


Showing that $\frac{a + c}{b + d} \leq \max(\frac{a}{b},\frac{c}{d})$

Given 4 integers, $a, b, c, d > 0$, does $\frac{a}{b} < \frac{c}{d}$ imply $\frac{a}{b} < \frac{a+c}{b+d} < \frac{c}{d}$?


No CUDA option in system preferences - is it my driver?


Why not raise the individual number of Close Votes?

Would raising the review limit help with the Close Votes queue?


Would Snape have switched sides if Voldemort never attacked Harry and the Potters and instead attacked Neville and the Longbottoms?

Was Severus Snape made a Death Eater before or after he told Voldemort about the Prophecy?


Python subprocess Popen: Why does "ls *.txt" not work?


Why are error codes on websites shown as "404 Not Found"


Best basic algebra examples to show students that proof by example is not sufficient

Examples of patterns that eventually fail


Inserting into table: either invalid datatype or duplicate column name error. (But the datatype is valid and there's no duplicate)

Oracle: Inserting into table error - either duplicate column name or invalid datatype


Compute product of all combinations of a list

How to get all possible combinations of a list’s elements?


Can I make `cut` change a file in place?


Brasero says it won't burn the CD because the file is too big, what's going on?


The squirrel's riddle - how many marks on the tree trunk?

What are all the correct answers to the Squirrel's questions, and what is the reward when I get them all correct?


Is there any chance for a layperson to gain from stock exchange?

Is it possible for the average person to profit on the stock market?


Is it allowed selling a kvm virtual machine with Ubuntu? what about copyright?


Why do I always hear remote train horn at night?


I can'yt boot Windows XP after installing Ubuntu 12.04

Can't boot XP after Ubuntu Installation, how to fix?


Simple Windows 10 view of any process preventing Sleep?

Why does my Windows 10 Laptop fail to hibernate sometimes?


how to build simple program run from terminal in ubuntu

How to compile and run C programs avoiding "bash: ./a.out: Permission denied"


How to allow /X/ instead of ?ID=X access in URLs?

Mod-rewrite url from /example.php?id=1 to /example/title-of-page


In phone number validation 9,10,14 digit numbers should be valid,if number start with + then any digit number should be valid


Remove Top/Bottom Shadowing from UIWebView?

Remove gradient background from UIWebView?


In iOS, how should I be obtaining the screen's height and width, including width being greater than height in landscape mode?

How to get orientation-dependent height and width of the screen?


Anonymously (in both ways) requesting for a comment from the user who has voted-down an answer

Send request for "reason for down vote"?


punctuation when abbreviation at the end

When "etc." is at the end of a phrase, do you place a period after it?


How do I fill an area with faces lined up in a grid over a not flat surface?


how to secure or hide my javascript code?

How can I obfuscate (protect) JavaScript?


What are the benefits and purpose of presenting a paper in an academic conference?

Conferences as publication venues – black and white or is there a grey or third way?


Movie (pre-1998) - Alien like creatures on an abandoned airport

What story had the world being eaten every night by toothy orbs?


Zonal statistics tool excluding some features in ArcMap?

Some zones disappear when running Zonal Statistics as Table in ArcGIS


How much zoom is needed for a distance of 600 ft?

What is the formula for percent of frame filled at a specific distance and focal length?


1980s fantasy film with bat-like creatures that wrapped their prey in their wings?


Why is my subsurf modifier is shown differently in render?

Why are there non-visible objects in my final render?


'-l' flag makes no difference in linking

Why does the order in which libraries are linked sometimes cause errors in GCC?


How to evaluate this integral $\int_{-\infty}^{\infty}\exp(-ay^2)dy$

Proving $\int_{0}^{\infty} \mathrm{e}^{-x^2} dx = \frac{\sqrt \pi}{2}$


error in updateting ubuntu 20.04.1 {sudo apt update}

What can I do if a repository/PPA does not have a Release file?


Did Snape create/discover the spell "Sectumsempra"?


Why isn’t “It’s” a complete sentence, but “It is” is?

Is there some rule against ending a sentence with the contraction "it's"?


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


Disable browser cache in PHP or JavaScript in a Flash application


How to change filename and extension while downloading a text file from data uri

Is there any way to specify a suggested filename when using data: URI?


Why is standard deviation defined as sqrt(var(x)) and not as abs(X-u)?

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


Date api for managing off days in an year?


How does iterative reweighted least squares actually produce estimates that maximise likelihood?

Can you give a simple intuitive explanation of IRLS method to find the MLE of a GLM?


"Notes from my heart", what do you call these writings in English?

Is there any word for "small hand written note/letter" in English?


How do I set emblems in Thunar without the GUI?


How can I assign a boolean condition result to a scalar variable in perl?


What are the use cases for write-only and write-execute files?


Is there a term for celebrating one's tonal memory?

Is there another term, or even a single word, for "tonal recognition"?


Packet source not safe Xubuntu 18.04 64bits


Maximum and minimum value of Determinant of $3 \times 3$ Matrix with entries $\pm 1$


base class by template, how to write constructor?

Why can templates only be implemented in the header file?


What camera settings should be used to capture sky shots without over exposing the clouds?


Combining specific elements within a list

How do you split a list into evenly sized chunks?


Word for a response that is enthusiastic, passionate and long-winded

What is a word to describe inefficient communication?


What prepositions to use in a sentence with "Know where I stand..."

How do I choose between "as to", "on", "of", and "about"?


Coordinates of the centers of the triangles composing a Koch snowflake


Why lithium ion batteries explode ? (Reason behind it )

Why is there so much fear surrounding LiPo batteries?


How to get a fully transparent TabBar in UITabBarController


Ways of Updating my Ubuntu 10.10 Notebook

How do I reset a lost administrative password?


Does all hydrogen originate from the Big Bang?


How To get factor of two numbers in python?

Does Python have a ternary conditional operator?


How do I align all paragraphs between all pages

When using a book class (memoir), text shifts from left to right on each page


When should I not use .com as a generic top-level domain? (.com vs .net, .org, etc.)


Preserving a local variable in a function run by a function

What is the scope of variables in JavaScript?


grep returns "Too many argument specified on command"

Argument list too long error for rm, cp, mv commands


How to prove that $\lim_{n\rightarrow\infty}\left[\frac{(n+1)^{n+1}}{n^n}-\frac{n^n}{(n-1)^{n-1}}\right] = e$

Find $\lim_{n \to \infty} \left[\frac{(n+1)^{n + 1}}{n^n} - \frac{n^{n}}{(n-1)^{n-1}} \right]$ (a question asked at trivia)


How to derive the formula for the sum of the first $n$ perfect squares?

Sum of First $n$ Squares Equals $\frac{n(n+1)(2n+1)}{6}$


PHP - How to display data entered in form in another file?

Pass PHP variable from one page to another and to another


Why does the /winsxs folder grow so large, and can it be made smaller?


How can I block Facebook (or any site) permanently, and/or almost-permanently?

How do I block myself from time-eating websites?


Java reflection vs non reflection performance comparison

How do I write a correct micro-benchmark in Java?


How to let a bar chart start from value different to zero with pgfplots


Upgrade Windows Server 2008R2 to support SNI

Setup IIS 7.5 with multiple website bindings and SSL?


Removing element in ArrayList using INDEX causing java.util.ConcurrentModificationException

Iterating through a Collection, avoiding ConcurrentModificationException when removing objects in a loop


Find the sum of the series $\sum \frac{1}{n(n+1)(n+2)}$


When adding certain floats in JavaScript the output of those particular floats returns long numbers


when ${\rm gcd} (a,b)=1$, what is ${\rm gcd} (a+b , a^2+b^2)$?


Cycles not rendering image or movie clip used as background in the viewport


Site for computer networking project ideas

Can I use this site as a brainstorming/voting site?


What if do not use any activation function in the neural network?

What is the difference between 'regular' linear regression and deep learning linear regression?


Make C++ functions call Python functions

Calling python from a c++ program for distribution


iPhone SE, iOS10, why does it randomly *require* the lock code?

iOS: Your passcode is required to enable Touch ID


"Post contains improperly formatted code" - Cannot find any misformatted code

Reference style links validating as improperly formatted code


Substituting variables in only certain environments?

substitution rules excluding subscripted variables


Stack Exchange site to ask Health and Medical related questions

Stack Exchange website for medical questions


Any way to send a personal message to another user?


Should I use my kit lens at max aperture or max zoom for shallow depth of field?

How can I get dramatic shallow DOF with a kit lens?


Only one letter is missing in the first name

Last name typo on a Saudia Airlines flight from Bangalore BLR to Los Angeles LAX


Does OEAP padding limit the size of my modulous to the size fo the hash function?

Selection of cryptographic functions for OAEP


Vandermonde's identity? How to continue?


How do you place text underneath and over an operator simultaneously?


How can I change 'default' name and company when installing a software?

How can I change the registered name in Windows 7 to my own?


Is there a word or phrase for something that one might wish exists, but most certainly doesn't?


Parameterization of a curve equal to the intersection of a sphere with a plane

Parametrization for intersection of sphere and plane. $x^2+y^2+z^2=81$, $x+y+z=15$.


How to open QGIS using a customisation file?

How to setup default toolbars and menu item?


Setting persistent environment variable in CentOS 7 issue

How do I set a user environment variable? (permanently, not session)


When should I prefer @classmethod over a @staticmethod and vice versa?

Difference between staticmethod and classmethod


What is the difference between Shonen'ai, JUNE, Yaoi and Boys' love?

What is the difference between yuri and shoujo-ai, yaoi and shounen-ai and ecchi and hentai anime genre?


LaTeX Error: Option clash for package xcolor


Find the matrix that associated to a given quadratic form

linear algebra - Compute matrix associated to quadratic form.


What is the role of Meta after the arrival of "The Loop"?

Will Meta Stack Exchange be removed now?


mp3blaster ( commandline interface player) not playing files

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


How to make application not closeable by home and back button?

Overriding the functionality of back and home buttons


how to calculate the number of days between two Date values

How do I get the number of days between two dates in JavaScript?


Is there any default return type for a function in C++?

Does C++ allow default return types for functions?


Error #1241 - Operand should contain 1 column(s) in Mysql

Operand Should Contain 1 Column - MySQL NOT IN


String comparison is not working when comparing it against object's string in ArrayList


Expanding q-series having q-Pochhammer symbols in the summands as a power series

Taylor expansion of a function containing QPochhammer[q, q, n]


qgis - slope from DEM - errors due to projection and oversimplified 'z factor'

Grid-like lines appearing after using Curvature tool


Cannot set the value of lightning:inputfield when its a picklist and using lightning:recordEditForm

component.set not working for picklist field


Best way to model a reponse when a covariate only applies to one group

How do you deal with "nested" variables in a regression model?


How can I see the result of an animated texture in the viewport?

Texture Channel animated, doesn't appear in viewport


Regex how prevent string containing only the "?" character


Why Google Chrome will not be supported?

No more updates for Google Chrome 32-bit


Can I read a bool variable in a thread without mutex?

In a multi-threaded C++ app, do I need a mutex to protect a simple boolean?


What would you call a person who doesn't want to learn anything new?


Handle different Request by a Single Servlet

How to determine which form has been submited and to validate them in a servlet


What do single quotes do in C++ when used on multiple characters?


Uses of "have you had" and "did you have"

"Have you seen her?" or "Did you see her?"


Proving that a continuous function has a solution $f:[0,1]\to \mathbb R$


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


what does the function name starts with '$' mean?

Why would a JavaScript variable start with a dollar sign?


Error LNK2019: Unresolved External Symbol in Visual Studio

What is an undefined reference/unresolved external symbol error and how do I fix it?


Canonical Post #2: What is the perfect, and how should I use it?


why the options to modify a primitive are grayed out in blender 2.75?

What is causing disabled options when adding a mesh/curve object to the scene?


How to draw location line and width at half maximum line in tikz/pgfplots

Gaussian/Normal plots from a data distribution in scientific notation


How to suppress stdout when using ctypes in python?

How do I prevent a C shared library to print on stdout in python?


how to permanently remove itunes from osx

Is it possible to uninstall or disable iTunes in OS X?


Word for a person or group who is actively preventing the progress of another person or group

I need to find a single word (noun) for a person who acts as a " work-stopper"


Find all integer solutions to $x^2-2y^2=1$


python default dictionary calling key values

Python Dictionary DataStructure which method d[] or d.get()?


Is what is involved in the attack ever clearly defined for the purposes of critical hits

How does extra damage work for critical hits?


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


Why are my if statements in java always returning false?


Prove if a discrete subset $E$ of $\mathbb{R}^n$ is compact, then it is finite.

Discrete and compact subset must be finite


What can I do to improve my computer's speed when using Ubuntu?

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


I need to ask which word would be better?


What is the best way to install openstack


Why plotting a NIntegrate function gives errors in v11?

What are the most common pitfalls awaiting new users?


Google-bot trips on a perfectly normal robots.txt, then on a nonexistent robots.txt

How Can I Encourage Google to Read New robots.txt File?


Can I create a self-answered question and add my website as a reference?


How should I intuitively understand the KL divergence loss in variational autoencoders?

Deriving the KL divergence loss for VAEs


Appropriate map projection for the Pacific Ocean


How to format USB stick to exfat in Ubuntu 18.04 (now with kernel 5.3.0-42)?

How to get a drive formatted with exfat working?


District 9: Is there an official explanation why the prawns' mother-ship landed on Earth?


When is it appropriate to use the HTML Coded Character Set?


How to show that $K\leq S_4$ is a normal subgroup?


Basic jQuery .data() call returns undefined

jQuery data() returns undefined, attr() returns integer


Does the GHZ of A CPU Make A Huge Difference

Why are newer generations of processors faster at the same clock speed?


The footer link text overlaps the sidebar, even though the background of the sidebar is on top of the footer

How to edit / how to format box overlapping with footer when scrolling down


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


How can you curve the faces of a hexagon?

How can I make a plane's edges taper inwards?


Proving that there are infinitely many irreducible polynomial in $\mathbb{Z}_{5} [x]$

There are infinitely many irreducible polynomials in $\Bbb{F}_p[X]$


Make .search() case insensitive for a variable

How do you use a variable in a regular expression?


Drupal 7 multisites with subsite sharing main site data

How do I create a multisite with  shared users and nodes?


Potential energy between attracting molecules

Why does it make any physical sense for a body to have negative potential energy?


Why do we use zero-truncated poisson regression and do not just call outcome 1 outcome 0?

Difference between shifted distribution and zero-truncated distribution


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


Which pronoun is correct to use in this sentence and why?

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


Sublime text regex - remove text in parenthesizes

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


How to free space on VirtualBox Debian VM


How do you integrate $2\sqrt{-x^2+1}dx$ step by step?

Integral of $\sqrt{1-x^2}$ using integration by parts


Getting Null Object Reference when Trying to Access Dynamic Data - Android Studio


Standard Visitor UK Visa from USA (Indian National) - Sending documents for family

Can a husband and wife combine their UK Standard Visitor visa applications?


Do I need transit visa or get pre-arrival registeration to go to Japan via Hong Kong?

Transit visa for Indian citizen traveling through Hong Kong


LaTeX : Package biblatex Warning: citation 'refname' was not found at all in the .bbl, bibliography labels cannot be generated

Biblatex with Biber: Configuring my editor to avoid undefined citations


Earth taken over by aliens who treat humans as livestock. Protagonist is fully sapient, but a pet to an alien

Looking for a Sci-Fi novel - 50s-80s, canine aliens, shaped poetry


Compiled funtion don't understand internal compiled function

Using a compiled function inside NIntegrate gives "CompiledFunction::cfsa" message


Cannot Install Programs Through Terminal on Ubuntu 12.0.4

How do I resolve unmet dependencies after adding a PPA?


Remove file extension from a file name string


UK PLAB Visa Refusal due to unexplained bank deposits


Why can't I catch Pokemon in Pokemon Go anymore?


Vertices of $G$ covered entirely by disjoint $k$-stars

Use Hall's Theorem to show if $|N(S)|\geq k|S|$ for all $\emptyset \neq S \subseteq A$, vertices of $G$ can be covered entirely by disjoint $k$-stars.


Disprove the statement $f(A \cap B) = f(A) \cap f(B)$

Do we have always $f(A \cap B) = f(A) \cap f(B)$?


How to get the thumbnail of animated .gif files without losing animation if any one contains using c#

How to resize an animated gif image using C#?


Convergence and sum of geometric series $(e^{3-2n})$ as $n$ goes from $2$ to $\infty$

Geometric series sum $\sum_2^\infty e^{3-2n}$


Is $\Bbb Q$ intersect $[0,1]$ in $\Bbb R$ compact?

Why is $[0, 1] \cap \mathbb{Q}$ not compact in $\mathbb{Q}$?


Where can I store program data? (OS, Java)

What is the best way to find the users home directory in Java?


Boot Ubuntu from USB flash drive as if it was installed on hard drive

How to create a bootable Ubuntu USB flash drive from terminal?


How i make this script execute every minute without cron?


Is there a formula to calculate ISO according to Shutter speed?

What is the relationship between ISO, aperture, and shutter speed?


What's the fastest way to get n-th line of a text file

How can I get a specific line from a file?


How to trigger execution of static code in java?

Why can't enum's constructor access static fields?


"E:Malformed line 1 in source list /etc/apt/sources.list.d/medibuntu.list (type),"

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


The most elegant way to encapsulate WinAPI callbacks inside a class

How to pass a method as callback to a Windows API call?


Usabilities issues when deleting comments

Deleting a comment (mine) shouldn't count as a comment vote


When I am trying to render a donut it just does a checkered background and then crashes


How can I exclude an application from Dash search?

How can I stop certain apps from appearing in the Dash?


A thought experiment to prove that Newtonian gravity is incomplete

Are moving objects producing stronger gravity fields?


Why another login is required for http://data.stackexchange.com/, when I've already logged into Stack Overflow with the same OpenID

Why doesn't Data Explorer log in with Stack Overflow login?


Reset iPad when Apple ID no longer exists


Split a file into multiple based on selected lines


Prove $X\times Y$ is an equivalence relation

If $X,Y$ are equivalence relations, so is $X \times Y$


Username and Password not recognized when logging into Minecraft


How is the set $\emptyset^\emptyset$ defined?

It is posible to have a function $f$ with the following property?


How to concenate / merge data row into an object

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


How to include graphics with spaces in their path?


Annihilator of a quotient module over a local ring


Long exact sequence of reduced homology groups

Suppose that $X$ is a topological space and $x_0\in X$. Prove that $\widetilde{H_n}(X)=H_n(X,x_0)$ for all $n\geq 0$.


error: error in 'egg_base' option: 'src' does not exist or is not a directory

How can I install modules of python in Ubuntu?


Fragment : void android.view.View.unFocus(android.view.View) on a null object reference

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


How do i get current list fields along with lookup field using $expand REST API Sharepoint 2013

How to join two lists using REST API sharepoint 2013


Unity Third Person Controller Camera-Relative Script

Move rigidbody using WASD keys but rotate it based on camera/mouse movement


Factorial Proof by Induction Question: $ \frac1{2!} + \frac2{3!} + \dots+ \frac{n}{(n+1)!} = 1 - \frac1{(n+1)!} $?


Does the green-flame blade extra damage work on normal attacks?

If your fighter casts Green-Flame Blade or Booming Blade, do you still get extra Attacks?


Is it possible to change the toolbar icons in gVim?


How to measure field-of-view of a camera with fisheye Lens?

What is the relationship between field of view and focal length for fisheye?


How to get rid of 0. (zero dot) without get rid of small number?

Replace very small numbers by zero in the output of a list


Multiple possible matches for regex in Perl

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


What do all these fields really mean in an Ubuntu package version?

What is the meaning of the XubuntuY string in Ubuntu package names?


How can I install the terminal emulator from elementary OS Freya on ubuntu 15.04 Vivid?

Can I install pantheon terminal in Ubuntu 14.04 or newer?


How to remove the "En:" at every bibliography entry?


Stack returns wrong item on calling pop()

Is Java "pass-by-reference" or "pass-by-value"?


Why two seperataly doped semiconductors cannot be joined to form a junction?

Industrial construction of pn-junction diodes?


Why is my global variable shadowed before the local declaration?


Implementation of an amplifier in LTSpice


What can be a nic name that should be available in pokemon go

How do I find an available nickname in Pokémon Go?


Are the two steps of Ponder an atomic action?

Can I cast a spell while another spell or ability is resolving?


How do you split a list into evenly sized chunks?


Object reference error in function in class

CS0120: An object reference is required for the nonstatic field, method, or property 'foo'


Combinatorics, question I need help with

How many numbers of 6 digits, that can be formed with digits 2,3,9. And also divided by 3?


a specific sum of cube property(narcissistic number)

How to prove this curiosity that has to do with cubes of certain numbers?


CSS: vertical center responsive image within 100% height absolute div

How to vertically center a "div" element for all browsers using CSS?


How are Anonymous inner classes used in Java?


How are questions in the 'hot' tab on a site selected?


Why My MacBook Pro’s battery is swollen and it don’t turn on nor charge? It’s 13 inch early 2015

Macbook Pro mid-2015 15" swollen battery


Short story, space traveller crashes on planet, planet can replicate water, man eventually transforms into alien

SF Story about human adapting to alien environment


Let $R$ be a commutative ring with unity. For every $x\in R$ there exists $n_i>1$ such that $x^{n_i}=x$. Then every prime ideal of $R$ is maximal.

Suppose that R is a commutative ring with unity such that for each $a$ in $R$ there is an integer $n > 1\mid a^n =a$. Every prime ideal is maximal?


How to access Windows 8 drives from Ubuntu 14?

Unable to mount Windows (NTFS) filesystem due to hibernation


using Ubuntu in low end PC with no usb boot option

How do I find out which version and derivative of Ubuntu is right for my hardware in terms of minimal system requirements?


What does ':' and '?' mean in the isClicked() symfony

Reference — What does this symbol mean in PHP?


Why is do-release-upgrade not seeing the latest release?

Upgrade to 20.04 from 19.10 isn't available


How to check if all traces of Ubuntu are gone from computer?

How to delete GRUB entirely from GRUB rescue and boot Windows only


Novel about a dying sun and a generation ship

What science fiction saga has species at war over different kinds of stars?


Textbook recommendation for computational physics


Displaying two plots side by side not displaying titles correctly


Why is there no antiderivative to the integral of sin(x)/x

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


Does racism against aliens exist in the Star Trek world, given that aliens are so different from humans?

Are the Ferengi racially discriminated against by members of the Federation?


Is there some rule against ending a sentence with the contraction "it's"?


Multiple ring buffer on point-shape error

Invalid Topology [Topoengine error] from ArcGIS for Desktop?


How to remove the hash from window.location (URL) with JavaScript without page refresh?


How many ways are there to distribute 25 identical balls among 5 players where each player must get at least 1 and no player may get 10 or more?

Distribute 25 roses among friends, so that each one has at least 1 rose, and none has more than 7?


Pass variables to script which called script

BASH script to set environment variables not working


How is angular momentum conserved for the orbiting body if the centripetal force disappears?

What would become of the earth's orbit if half of the sun's mass were suddenly to disappear?


Nested ANOVA alternative for heteroscedastic data (Nested Welch ANOVA)

I want to do an nested ANOVA but my variances are very unequal


Prove that $n^{2003}+n+1$ is composite for every $n\in \mathbb{N} \backslash\{1\}$


JavaScript chop/slice/trim off last character in string


Since few days: Trouble with mhchem using \listoftables or \listoffigures


On chess what exactly is the "En passant" trick?


How to make a cylinder / pipe with slanted ends (like pasta penne)?

Create slanted end at a pipe / cylinder by Rotation


I found code that can swap two variable without a third one, and i don't understand why it works?


why making a surface "super" smooth increases the coefficient of friction?


How make basic http authorization with angular.js?


How to test the significant difference of two confusion matrices?

Compare classification performance of two heuristics


Can arguments have line breaks in JavaScript?

Creating multiline strings in JavaScript


How do I fix vertices that aren't following the armature?

Weight Painting Won't Get Rid of Weird Protrusions


C# Is there a LINQ to HTML, or some other good .Net HTML manipulation API?


Getting client IP and then city name from it


C++ output a double variablelike a string


Absolute value of real numbers and inequality

How to prove that $|a-b|<\epsilon$ implies $|b|-\epsilon<|a|<|b|+\epsilon$?


JavaScript closure inside loops – simple practical example


Dashed line with equal length dashes in TikZ

Can TikZ dashed lines emulate PSTricks dashed lines?


Password regex with OWASP special characters

What special characters must be escaped in regular expressions?


How do you use a variable in a regular expression?


Warning when starting Mac Application with imagewell

"Does not make sense to draw an image" - Warning after upgrade to MountainLion


How long does it take to conduct UX Research?

How Long Does a Usability Study Take from Start to Finish?


chmod 001 or 111? Unix Permissions for executable files question

Understanding UNIX permissions and file types


Difference between pointer to data type and data member

Why is the asterisk before the variable name, rather than after the type?


Splitting file content into other files based on parsed parameter value in file

How to split a file according to a column (including header) and rename the generated files?


How to access a subset of values from the returned set of values of a function in Python?


Unable to open any graphical app with "sudo"


Trouble understanding the Bohr model of the atom


Image of a category under a functor need not be a category?

Can it happen that the image of a functor is not a category?


notification for comments on Example Questions in Area51


Why does holding something up cost energy while no work is being done?


Is there a good way to debug inside of a LINQ statement in C# in VS 2012 or beyond, to check the iteration of a lambda function in a where?


run php file from cron and start browser through exec on ubuntu

How to start a GUI application from cron?


Stack Exchange website for cryptocurrencies in general


Higher lowercase - how to make it equal?

How to check if a String contains another String in a case insensitive manner in Java?


What happens to the reputation you earn once you have reached the daily limit?

Why do the up-votes after reaching daily rep cap not contribute to compensate the subsequent down-votes?


Don't understand code submission error in text box.


Wireless LAN not working on Lenovo Ideapad 330

Wi-Fi not working on Lenovo ThinkPad E570 (Realtek RTL8821CE)


Is there a straight-forward means of determining dependencies between packages

How to design a command inquiring internally required packages?


Book about a crippled man fighting the devil

Girl with magic confronts a demon and heals tree


$\forall x \in S, \big( \phi(x) \rightarrow \phi'(x) \big)$ versus $\forall x , \big( \phi(x) \rightarrow \phi'(x) \big)$

What does universal quantification mean?


Finding string in Python Object with multiple OR conditions

How to test multiple variables against a single value?


Past participle vs being+past participle


Getting battery usage information for other iOS apps


Regular expression for contents of parenthesis in Racket

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


Multialign in math mode for linear equation system

How to Align Multiple Pluses accross Multiple Lines?


Will a Q&A site about medical issues be provided?


Help! Unable to connect to Upstart: Failed to conenct to socket/com/ubuntu/upstart: Connection Refused

Failed to connect to socket /com/ubuntu/upstart: Connection refused: Errors were encountered while processing: runit


prove that the order of H is greater than 1 (it implies that H≠{e})

Prove the centralizer of an element in group $G$ is a subgroup of $G$


metric inducing a topology on the given set

What is the "topology induced by a metric"?


How to find where BLAS/LAPACK are installed?

How to find location of installed library


Proof that $\lim{a_n}=L$ when $n$ goes to infinity, then $\{a_n\}$ its a Cauchy Sequence


How to show that $\lim \frac{1}{n} \sum_{i=1}^n \frac{1}{i}=0 $?


Prove special case of Jensen's inequality THE OPPOSITE WAY

Midpoint-Convex and Continuous Implies Convex


Are all of these Clone Wars books Canon in the current Star Wars lore?

How is canonicity of derivative works determined for Star Wars?


Flag Comment form z-index / opacity issue

Flag pop-up hidden beneath answer box (and it's still transparent!)


Is there any way to move VLC media player to system tray while a music/video is being played?

How to keep VLC player in minimized mode?


Update problem with "Failed to fetch" error

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


"the 10-years evolution show..." or "the 10-year evolution shows..."

Are units in English singular or plural?


Let $S$:$V$→$W$ and $T$:$V$→$W$ be linear transformations...


Server not powering on after upgraded to Intel Xeon E5-2695 v2

HP Proliant ml350p g8 not booting after installing new CPUs


How do I install applications in Ubuntu?


Are CPU temperatures over 110 something to worry about?

What are safe CPU temperatures ranges under heavy load in the unibody Macbook Pro?


Copy a file back to local system with ssh


What is the difference between COUNT(*) and COUNT(table.ColumnName)?

count(*) vs count(column-name) - which is more correct?


Finding equation of tangent line at a point


Two balls A and B of the same size are dropped from the same point.


Is it possible to use bind_param for ORDER BY?

Can I parameterize the table name in a prepared statement?


How can I find the geographical location of the browser (like Google Search)?

How to know Geographic location from an IP address


unable to iterate through csv DictReader more than once

Python csv.reader: How do I return to the top of the file?


What does ADB Back up restore to an android device?

What all does ADB backup and how do I restore part of it?


Stopping Mathematica from reordering expressions

Returning an unevaluated expression with values substituted in


Representing a distance matrix in the plane

What's the difference between principal component analysis and multidimensional scaling?


Visual Studio's output not showing all significant digits for float and double with C++ code

How do I print a double value with full precision using cout?


To create a dual-boot system: which OS should I install first?

In setting up dual Boot with Windows and Ubuntu, which OS do I install first?


What's the problem of using warp drive within a solar system?

Why did the Enterprise drop out of warp before reaching Bersallis III?


How can I disable built in selection action for mouse click events?

Is it possible to disable the sizing frame but keep the ability to rotate a 3d graph?


While space itself expands, why does it seem to expand more between the stars than between me and my desk?

Why does space expansion not expand matter?


Macbook retina 15" mid-2012 with LG 38UC99-W

MacBook [Pro] - how many displays, what resolution/frequency?


Chaining together two successive time dilations through two Lorentz transformations

Relativistic velocity addition from time dilation


In a camera ready paper (has been accepted), how to cite my own paper that is still under blind review?

Citing an article under a double-blind review process


Stop Mail from previewing pdfs and images in the body of an email

Turn off automatic preview in apple mail


Difference between shadowing and overriding in C#?


How to fix get Key By Value with duplicate values in Java


Should UnhandledException notify all unhandled exceptions?


Issue : Convert an Object to json in iOS


can't open /proc/i8k: No such file or directory


custom collection cannot implement IEnumerable


Why is is $K(\alpha,\beta)/K(\alpha)$ algebraic if $K(\alpha,\beta)/K(\beta)$ is algebraic?

Field extensions and algebraic/transcendental elements


Where should I edit my Stack Exchange Profile and is it possible to inherit in all the other communities those profile settings?


Turkey e-visa for Egyptian passport holder


Why is the page number for Contents wrong?

How to include table of contents into a table of contents


Python - How do I shorten a float when I print it?


Cannot make a static reference to a non-static method

Java Error: Cannot make a static reference to the non-static method


If both are available, include PDF or EPS?


How do I dynamic change the value of database setting 'db_debug' in my CodeIgniter model?

Codeigniter change database config at runtime


Why doesn't regex '.+' work as expected?

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


How to initialise a std::string when data ends in a binary zero

How do you construct a std::string with an embedded null?


An example of a semisimple module whose quotients and submodules are semisimple

A module $M$ whose submodules and factor modules are semisimple but not semisimple itself


How do I clear an incorrect red flag on my US visa for overstaying, when in fact my departure date has not been recorded in the database?

Couldn't return papers to border officials last time. Should I be afraid when going back to USA?


What's difference between MathKernel.exe and WolframKernel.exe?

math.exe vs wolfram.exe vs MathKernel.exe vs WolframKernel.exe (running scripts on Windows)


Is force really defined by the second axiom of Newtonian mechanics?

Are Newton's "laws" of motion laws or definitions of force and mass?


How to fix "AWT-EventQueue-0" java.lang.NullPointerException when using audio files

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


What are the recommended activities for a new user, such as for asking for more info on a question or an answer?

How does a lurker gain reputation to receive privilege for commenting?


If at least one solution $r_1, r_2$ to $ax^2 + bx +c$ is rational, then prove that at least one of $a, b, c$ must be even

Roots of $\,ax^2+bx+c\,$ are irrational if $a,b,c$ are odd integers


Include music app options into volume icon


How can the game graphics be stabilised when after each frame hundreds of calculations are taking place?


Java, JSP, Eclipse - The server encountered an unexpected condition that prevented it from fulfilling the request


A question on Hartshorne Chapter III Proposition 2.6

Hartshorne's weird definition of right derived functors and prop. III 2.6


What is the difference between #include  and #include "filename"?


Syncing music between Ubuntu and iPhone does not work

Is it possible yet to synchronise music to an iPhone running iOS 5/6?


Giving myself permission to edit files with a text editor on var/www/drupal

How to avoid using sudo when working in /var/www?


How to fix "error: unknown filesystem. grub rescue>


Create subdomains on the fly with .htaccess (PHP)


I can't open my Minecraft maps even though they exist


I am getting BITMAP filesize 0 everytime

Ifstream read function doesn't load into vector


sub and sub-sub item organization system


Is 'fed up OF' acceptable, shouldn't it be 'fed up WITH'?

Is it acceptable to say "fed up OF" - surely it should be "fed up WITH" or "bored WITH something" rather than "bored OF something"?


Geotools writing shapefiles without geometries

Version problems with Geotools CSV2SHP example


Fibonacci series in dynamic programming in python


Can circumcision cause childhood masturbation?

Does male circumcision really damage sexual sensitivity for men?


Regular expressions: how to match a word from an outside of given html tah?

How do you parse and process HTML/XML in PHP?


How is the angular momentum related to linear momentum?

Is linear monemtum conserved with in angular momentum?


C: double to int conversion error in gcc 6.3.0


Php header refresh not working on chrome


Evaluate the limit without applying L'Hopital?


Teens on an island, forced to kill eachother, collars prevents co-operation

Teens on an island, forced to kill each other, collars prevent cooperation


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


Given a set of bounded integers; find number combinations which sums to S

How to easily determine the results distribution for multiple dice?


Can you help me with my software licensing issue?


How to plot periodic function's graphic?


representing decimals with commas instead of dots

Customizing decimal mark used in plot frame tick labels


Why does Newton's Third Law actually work?


New user, new install, Wifi doesn't work


Mysql pagination doesn't return pages, undefined variable

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


Call Javascript function defined inside iframe

Invoking JavaScript code in an iframe from the parent page


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


JavaScript and getElementById for multiple elements with the same ID


Benevolent aliens who (initially) refuse to show themselves


Why is iteration is faster than Streams in Java?

How do I write a correct micro-benchmark in Java?


Integrate: $\int (x^2+a^2)^{-3/2} \cdot dx$


How can I pass selected row to commandLink inside dataTable or ui:repeat?


How do I choose one option or the other if user inputs an integer that's not defined?

How to randomly select an item from a list?


How to check the decimal accuracy of result?

When can I assume that all decimal digits returned by Mathematica are provably correct?


Textbox looses forecolor on disabling it

How to change the font color of a disabled TextBox?


Creating a For Loop for a equation that has many solutions


Where to ask questions about a Wordpress plugin?

Which computer science / programming Stack Exchange sites do I post on?


How do I fill an area with faces lined up in a grid?


Is there a way to enable window borders in 14.04?

How do I add a border around windows but keep the current theme?


Yours or you... which pronoun should be used here?


How to do a region plot with many functions

Plot the plane so different condition has a different color


How can I empty the trash using terminal?


Last two digit of number raised to exponents.


Shouldn't there be some sort of grace period before questions can be closed?

Should flawed questions be closed immediately?


Old book about a child who found a box containing aliens that could alter gravity and time

YA novel - kid finds some kind of time traveling creature


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


Valgrind complains "definitely lost of memory" when "new" & "delete" not in the same function


How is dark energy consistent with conservation of mass and energy?


Is there an evidence-based study regarding the long-term psychological effects of spanking?

Are there any reputable studies on spanking?


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


Best way to verify a user for a dating app?


Is there a rule about double negations that aren't meant as double negations (e.g. "We don't need no education")?


Plot exporting to PDF with incorrect font on macOS

PDF export on macOS Mojave produces bold fonts


find the principle part of Laurent expansion


Mac Pro - some keys in default shift mode

Keyboard key stuck or not being recognized; how to fix


Which arena do free and crown chests use when determining the cards you will get?


What are the most commonly used and basic Apache htaccess redirects?


Does $\sum_{n=1}^\infty a_n^2 \text{ converges },\ a_n \geq 0 \implies \sum_{n=1}^\infty \frac{a_n}{n} \text{ converges}$?

If $\sum_{n=1}^{\infty} a_n^{2}$ converges, then so does $\sum_{n=1}^{\infty} \frac {a_n}{n}$


How to write norm symbol with three line?


In Octave/Matlab, how do I turn [1,2,4,8] into [1 1 0 1 0 0 0 1]?


SQL Server log Size increasing while in Simple recovery mode

Why Does the Transaction Log Keep Growing or Run Out of Space?


"Bone Heat Weighting: failed to find solution for one or more bones" error

heat weighting: failed to find solution for one or more bones


If a word comes with 'a' or 'an', does it mean it's a countable noun?

A blinding light / blinding sunlight / a blinding sunlight


why this piece code(some template stuff) compiled well in msvc10 but compiled failed in gcc4.8.1?

Where and why do I have to put the "template" and "typename" keywords?


Is it possible for individual faces to have separate materials from the rest of a mesh?

Add different materials to different parts of a mesh?


Did the Sith die out with Sidious' death?

Did Palpatine have contingency plans for the death of the Sith Order?


How to rename profile directory in windows 7?


Vertical and horizontal workspace switching


How to new a box in lua with luatex/lualatex?

Concurrently interleaving execution of Lua and TeX in LuaTeX


Pokemon GO missing google sign up option


Accounts on the solutions of the Dirac equation

Plane waves solutions for Dirac equation in terms of eigenstates of helicity


Fit wide correlation table on page using siunitx

My table doesn't fit; what are my options?


How do I keep Python print from adding newlines or spaces?


High resolution laptop not displaying control boxes properly in QGIS (Windows 10)

Making icons and text larger on high resolution screen for QGIS?


Apache Virtual Host (CSS & Javascript not being found)

Redirect, Change URLs or Redirect HTTP to HTTPS in Apache - Everything You Ever Wanted to Know About mod_rewrite Rules but Were Afraid to Ask


Realtek Wi-Fi and Bluetooth both are not detected in Ubuntu 17.04

Installing Wi-Fi driver for Realtek Semiconductor RTL8723DE Device [10ec:d723]


Issue with jquery onclick (not triggering)

Event binding on dynamically created elements?


Recommendation on Category theory textbook

Good books and lecture notes about category theory.


Projection onto closed convex sets' equivalent condition.

Projecting a point onto a convex set decreases its distance from each point of that set


System keeps remembering the vote to undelete done from the users who wrote an answer even after the answer was undeleted

Deleting a question showed one of the answer as deleted by the owner


T and T* have the same Eigenvectors then T is normal

If every eigenvector of $T$ is also an eigenvector of $T^{*}$ then $T$ is a normal operator


WMS returns but WFS does not return same SRS and BBOX values

WFS and WMS query SRS parameter and BBOX usage


Cards entering the battlefield simultaneously and "Enter the Battlefield" effects


Correct way of passing a PHP $variable to MySQLI


How to increase size of root partition at /dev/sda1 from /dev/sdb1?


Verb form of "drive" after "see" in a sentence

"I saw him crossing" vs. "I saw him cross"


how to bring up the menu at the bottom left


How to prevent CDN content URLs being indexed by Google

How to tell search engines to not index entire image domain without making them waste server bandwidth or making google complain


Given $\limsup \frac{a_n}{b_n} < \infty$. Prove there is a constant M such that $a_n \leq Mb_n$

$\limsup \frac{a_n}{b_n}0$ s.t $a_n\le Mb_n$


Is there a formula for sin(a*b) like the addition formula?


"Put on the spot", origins of the phrase

What is the origin of "man on the spot"?


c# How to catch tcp keep alive packet on application

How can I figure out if a packet is a TCP Keep-Alive?


What is the difference between hook_field_attach_validate() and hook_field_validate()?


Installing Wi-Fi driver for Realtek Semiconductor RTL8723DE Device [10ec:d723]


Java program: Ask users to input the number of printing copies, then compute and display the total printing cost using following rate table


How to parse invalid (bad / not well-formed) XML?


Prime and Maximal Ideals of $\mathbb{Z}[x]$

Classification of prime ideals of $\mathbb{Z}[X]$


ClassicThesis/ArsClassica and vertical space in list of figures

Grouping by chapter in List of Figures and Tables with ClassicThesis


Problem with function calls that returns function and assigned to variable as expression


Can a drug to be used in the clinic to treat a disease that failed a clinical trial?


Question edit made answer off-topic - what to do with that answer?

Exit strategies for "chameleon questions"


How to move up/*bump* questions on Stack Exchange sites


Continuous variable for logistic regression

I need both quadratic and linear coefficients in a GLM with binary response. What's the best option?


what does ^ mean in bool GetDeviceInformation(String ^ port, LibCECConfiguration ^configuration, uint32_t timeoutMs)

What does the caret (‘^’) mean in C++/CLI?


Focus of lens dropoff from center to ends

Do lenses have focal planes or focal spheres/ellipsoids?


Can you enter UK later than intended date of travel on the visa application?


How do I check if a string is a number (float)?


How to assign a unique ID to object created locally


JSF Conversion Error with selectOneRadio

Conversion Error setting value for 'null Converter' - Why do I need a Converter in JSF?


How to remove Ubuntu and put Windows back on?


Add feature to save reviews in the review queue

Second look at my skipped suggested edit reviews to learn


How do I create a custom ringtone for my iPhone?


Can I confirm that a variable is never defined by inspecting compiler/linker output?

Any program or trick to find the definition of a variable?


Which equals operator (== vs ===) should be used in JavaScript comparisons?


Prove that for each $\alpha \in [0,1]$, there exists $E \in M$ with $\mu(E)=\alpha$


NullReferenceException working with a webcam

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


How can I make a complex tartan pattern in Illustrator?

How can I make a Tartan Design in Adobe Illustrator


"He is good looking" vs "He is looking good"


How do I find out which version and derivative of Ubuntu is right for my hardware in terms of minimal system requirements?


How to find integral's upper limit using optimize function without knowing the interval where it will occur


Seek a quick way to bring standard order back to original after Complement

How to Delete Elements from List1 appearing in List2?


Ubuntu 12.04 on Dell Inspiron - Wireless stopped working


Changing order of integration in Double Integral

Evaluate the integral $\int_0^{2a}\int_0^\sqrt{2ax-x^2}\frac{\phi'(y)(x^2+y^2)x dxdy}{\sqrt{4a^2x^2-(x^2+y^2)^2}}$


Word that means "describing a group of people based on the action of an individual"

Technical term for associating a group with the actions of a few


Confused about nested for loops in Python

List of lists changes reflected across sublists unexpectedly


Is there any application to convert gif file to txt file in linux?


Why does this error come up: attempt to invoke virtual method on a null object reference "void android.widget.EditText" SharedPreferences

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


Show G is a group only knowing associativity, G is finite, and cancellation laws

Show that G is a group, if G is finite, the operation is associative, and cancellation law holds


How do I find out the path of the currently executing script?

How do I get the path and name of the file that is currently executing?


Is there an official rule on "setting up" your deck before play?

Is Mana Weaving ok if it's followed by a thorough shuffle?


Put [stack-exchange] in the stack for tag exchanges


Find the Fourier Transform of $ \frac{\sin (x)}{x}$

Derive Fourier transform of sinc function


Let me easily get the souce code for my comments after the 5 minute edit grace period

Is there a way to view a comment's source?


Find local minimum in n x n matrix in O(n) time


Why do I feel a force from a non-accelerating punch?


Ubuntu VM shows 50GB, but df -h shows 30GB

How do I resize an ext3 partition that is not part of a LVM group?


insert comma separate value with same id in php mysql


Evaluate $\lim\limits_{n\to \infty} {\frac{(2n-1)!!}{(2n)!!}}$

How to prove that $\lim_{n \to\infty} \frac{(2n-1)!!}{(2n)!!}=0$


What does Ctrl + Alt + F11 do and why can't I log into my account with Unity any more?


How I make my gnome terminal show my bash_history while I type?

What tool do I need to install to make my terminal show the autocompletion of the command that I'm writing?


List of lists changes reflected across sublists unexpectedly


Why clicking on some button is not taken into account?


Subtract two dates using Shell Scripting


How do I stop textures from blurring when rendering small images

How can I keep low resolution textures pixelated?


Python:Two different compilers return two different results

What is the difference between '/' and '//' when used for division?


Designing issues with edited user at programmers


What is the significance of the Inverse-square law?

Why are so many forces explainable using inverse squares when space is three dimensional?


Difference between 'DateTime' and 'DateTimeOffset'

When Would You Prefer DateTime Over DateTimeOffset


Is it always true, that $s(G) \geq \tau(|G|)$?


Can the Crimson and Corruption in Terraria spread through background walls?

Do WALLS matter if I'm building the 6-inch brick defense from Corruption/Crimson for my city?


Why is "No new release found" when upgrading from a LTS to the next?


cpp multiple inheritance unexpected ctor called


TikZ graphdrawing library in ConTeXt throws error

Strange ConTeXt fail to load pgf.gd.control


Effect of interchanging response and predictor in linear regression

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


Install ubuntu in a endless so installed pc

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


"Contribute for" or "Contribute to" or "Contribute on" or "Contribute in"


How to efficiently search in an ordered matrix?

How do I search for a number in a 2d array sorted left to right and top to bottom?


Supervisor with no expertise in the field

If supervisor has no expertise in your research work, is it possible to do a PhD under that supervisor?


Why do reflections on a rough surface stretch from the light source towards you instead of spreading out in all directions?

Why does sunset over a body of water cause a path of light stretching towards the horizon?


Why isn't energy stored in a capacitor equal to just $QV$ when it is fully charged?

Why does a $1/2$ appear in this simple capacitor equation?


How to remove dotted border around active hyperlinks in IE8 with CSS


When reviewing you should see what others have voted for so far

Show other users' votes in suggested edit review


Exclude source file in compilation using Makefile


Trying to figure out if two line segments intersect

Efficient maths algorithm to calculate intersections


How to extract info based on the latest ID

T-SQL: Selecting Column Based on MAX(Other Column)


TexShop will not compile without trashing aux files after every error


How to distinguish a preposition and an infinitive marker?


Why do Windows 7 and 8 often not update open folders after adding or renaming files or subfolders?


Find an equation in spherical coordinates for the surface represented by the rectangular equation


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


Glossy screen print on a bottle surface in Blender 2.9

How to mix three different shaders on the same material?


How do I know if food left at room temperature is still safe to eat?


Prove Uncountable set minus a countable set is uncountable

Uncountable minus countable set is uncountable


How to fix NullPointerException in java while inputing a integer from BufferedReader

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


Open Visual Studio Code as sudo every time?

How to avoid using sudo when working in /var/www?


Show that this set of polynomials is ideal in F[x]


Can you wait to add optional damage dice that apply on a hit (such as Divine Smite) until after seeing if the roll is a critical?


Which is more formal and which is easier to understand?

When is it appropriate to end a sentence in a preposition?


Find all primes $p$, such that $p^p+2$ is also prime

Is $29$ the only prime of the form $p^p+2$?


> is closing HTML comments without a -- delimiter


Objects retain info from previous loop iteration

What is the difference between class and instance attributes?


Can I skip over releases when upgrading?


Do I need to play Bioshock 1+2 first before I play Infinite?


How to resolve 'Fields pending deletion' and force deletion of said field?


Prove tha union of open intervals can be written as a union of disjoint open intervals

Any open subset of $\Bbb R$ is a countable union of disjoint open intervals


How to take a white product on a white background?

Why can't I get a decent white background with product photography?


What's the reason behind the disagreement between behavior of lists and matrices (as vectors) in R?

Why is.vector on a data-frame doesn't return TRUE?


how to grab file extension only from a string in php


Issues related to lack of Landsat 8 Metadata usage in i.landsat.toar run


JList Custom CellRenderer won't display loader.gif but displays PNG's

How to display animation in a JTable cell


Make LaTeX ignore line breaks in the source

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


Want to install kitkat 4.4 on Samsung Star Pro (S7262)

Where can I find stock or custom ROMs for my Android device?


How do I summon specific villagers in Minecraft 1.14?

How do I create a villager with custom trade offers?


Insert all the images at once of a specific folder


storage sizing for serving high bit rate video

Can you help me with my capacity planning?


Which java collection to use to compare 2 datasets?


Finding an angle within an 80-80-20 isosceles triangle


Quick bijection between $\mathbb{Q}\cap (a,\ b)$ and $\mathbb{Q}$

Is there a bijection between $(0,1)$ and $\mathbb{R}$ that preserves rationality?


I could join Software Recommendations during private beta without committing

Why am I allowed to sign up on a private beta site I never commited to?


Unable to install GNOME shell extensions using GNOME Tweaks in Ubuntu 18.04

How do I install and manage GNOME Shell extensions?


java.lang.ClassCastException: [Ljava.lang.String; cannot be cast to java.util.List


Finding solutions to non elementary integrals

When can a sum and integral be interchanged?


Get exit status of process that's piped to another


Can I try Canonical Distribution of Ubuntu OpenStack with less than 7 machines?

How do I install OpenStack on a minimal machine set for testing and development?


Desktop browse does not work in java for Ubuntu


Can't store certain utf-8 mb4 characters in MySQL using PDO


A countable product of many sequentially compact spaces is a sequentially compact space

Countable Product of Sequentially Compact spaces is Sequentially Compact


Is it worth adding a new sorting button named "Last Activity" to the Users page?


Finding the formula of the sum $\frac1{1\cdot2} + \frac1{2\cdot3}+ \frac1{3\cdot4} + \cdots + \frac1{n\cdot(n+1)}$?

What is the formula for $\frac{1}{1\cdot 2}+\frac{1}{2\cdot 3}+\frac{1}{3\cdot 4}+\cdots +\frac{1}{n(n+1)}$


How to grep Git commit diffs or contents for a certain word


If $x\cos \theta + y\sin \theta = z$, then what is the value of $(x\sin \theta - y\cos \theta)^2$?

Find $4\cos\theta-3\sin\theta$, given that $4\sin \theta +3\cos \theta = 5$


Images in reopen review (side-by-side view) are larger than column width

Image overlapping in Review Side-by-Side view


Topological manifolds that admit no smooth structure


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


Assign the results from a Solve to variable(s)


Are there rules for forming adjectives from names?

Guidelines for selecting suffix when making an adjective out of a proper name (-esque, -ean, -ian,


List of favorite questions in the Stack Exchange Android app


Add a prefix to each item of a PHP array


I want to recover and play again my lost village

How do I recover my old Clash of Clans (COC) game save & base?


Functional programming diagrams of map, filter, reduce

What graphics packages are there for creating graphics in LaTeX documents?


Transit visa in Bangkok for a Sri Lankan

Is transit visa required for Sri Lankan passport in Bangkok, while about to embark JuneYao Airlines?


How many Watts DC are equivalent to 1,000 Watts AC?

What wattage solar panel required for AC 1000 watts


How to convert string representation of list to a list?


SQL Server: can I restore full DB file backup to First LSN (i.e. when backup started)?

Restore database to point in time from full backup only


Simplifying conditional expressions using assumptions does not work


What you think it would happen if it was a "time delay" between an "up-vote or down-vote" and it's sum in the answer?


Conditions for convergence of improper integral


What is the probability of exactly two accidents on at least one day of a week, in case of 7 indistinguishable accidents per week

probability that exactly two accidents happen in any day of a week if 7 accidents happen in a week


why is the math calculations in java are not precise?


In Objective-C how can I display a uint8_t variable in binary?

Is there a printf converter to print in binary format?


Show that $\lim_{k\to\infty}\lim_{j\to\infty}\cos^{2j}k!\pi x=0$

Double limit of $\cos^{2n}(m! \pi x)$ at rationals and irrationals


What is the distribution of the sum of non i.i.d. gaussian variates?


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


How do I find out which version and derivative of Ubuntu is right for my hardware in terms of minimal system requirements?


Null Point Exception but With the java.lang.reflect.InovacationTargetException

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


Test the convergence of the series $\frac{1}{3}+\left(\frac{1}{3}\right)^{1+\frac{1}{2}}+\left(\frac{1}{3}\right)^{1+\frac{1}{2}+\frac{1}{3}}+\cdots$

Is the series convergent $x + x^{1+\frac{1}{2}}+x^{1+\frac{1}{2}+ \frac{1}{3}}+\cdots$


How to crop borders/white spaces from image?

Is there a lightweight tool to crop images quickly?


When constructor raises, should/could I call destructor ? Possibly on attributes?

Is the destructor called if the constructor throws an exception?


Is there a way to extend electrical wire where the splices can be finished over?


How to produce side by side item and description

Description-like environment with fixed labels width


How to read content of Word file in Php?


How to keep a php file from being executed by typing the exact page url

Prevent direct access to a php include file


What kind of human character or regional trait does the habit of “the g-dropping” represent?


How the time lag is non-integer in ACF plot?


How is this sentence correct? "How does this machine work?"


How can I format to show text inside ""?


Finding the minimal polynomial of $\sqrt 2 + \sqrt[3] 2$ over $\mathbb Q$.


Can PS4 Minecraft join with PC Minecraft?

Are the XBLA and PC versions of Minecraft compatible?


Find the limit of the sequence $x_{n+1}=x_n-x_n^{n+1}$ where $0<x_1<1$


How to create ambient particles in Cycles


Is it correct to do a one tailed test based on observed direction?

What is the problem with post-hoc testing?


Summing many columns with data.table in R, remove NA

Summarizing multiple columns with data.table


Help with simple macro for ubuntu/centOS

How can I make my mouse auto-click every 5 seconds?


How to insert the letters Ɵ , Ƣ , Ə , ʐ , Қ and Ң


How many objects are available for garbage collection?

Is Java "pass-by-reference" or "pass-by-value"?


How can I change the style of the content of an iFrame with CSS?


What is a single word for someone who is easily discouraged?

How can you describe someone who gives up too easily?


Keyboard language layout switching interferes with global system hotkeys

OS keyboard shortcuts conflict with apps keyboard shortcuts in GNOME 3


How to prevent VLC from opening a window that is too big?

How to prevent VLC from automatically resizing its window according to viewed content resolution?


Is it possible to create a delegate for *any* Action?

Why covariance and contravariance do not support value type


Rationale behind lack of ctor constraints in C#

Is there a generic constructor with parameter constraint in C#?


When to use an object pronoun or a possessive adjective before a gerund


What is wrong with my equation. Converting 24v to 5v


Are Tina and Queenie Goldstein (Fantastic Beasts and where to find them) related to Anthony Goldstein (Harry Potter)?

Is it implied that Porpetina and Queenie Goldstein are Jewish?


What is the difference? "Are you watching" vs "Have you been watching"

present continous or present perfect continous?


Is a proof still valid if many people say that is true?


Create Generic method constraining T to an Enum


Need help understanding electric potential in circuits!

How do the different types of energy apply to voltage in a circuit


Does Sword of Sharpness's maximize damage rule apply to a Rogue’s Sneak Attack damage?

Are extra effects considered weapon damage on a sword of sharpness?


"Index was out of range" exception in c#

What is an "index out of range" exception, and how do I fix it?


How i can to add a significant 0 to int?


Extra line in a tabular using expl3 syntax


How to change the value associated with a key in a list of HashMaps that have same Keys?


Why is my crontab not working, and how can I troubleshoot it?


How can I make ubuntu ask for my password before mounting usb-drives?

How to make Ubuntu ask for password when mounting partitions?


What does the % in Disk in Task Manager (Windows) mean?

Windows 10 100% Disk Usage after Startup


Why is 24.0000 not equal to 24.0000 in MATLAB?


Finding the largest square factor of an integer without complete factorization

How to efficiently find the largest perfect square dividing a given large integer?


Is catching only "Exception" acceptable?

Is it really that bad to catch a general exception?


Clipping out polygon into buffer layer so that buffer layer shows dominant feature from polygon layer?

Computing dominant area in polygon using ArcGIS Desktop?


Android: Is it possible to create a notification object to call from? (Instead of writing a method every time it)

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


Doing something if connected to particular SSID in Ubuntu


Proving that sequence ${a_n}$ is unbounded as $a_{n+1} = 1/{a_n} + {a_n}$

Does the recursive sequence $a_1 = 1, a_n = a_{n-1}+\frac{1}{a_{n-1}}$ converge?


How to get the package containing a file?

In Arch Linux how can I find out which package to install that will contain file X?


Why didn't Dumbledore ask ghosts to search for Chamber of Secrets?

Why didn't the Hogwarts ghosts know about the Chamber of Secrets?


my phone may have virus but my antivirus scans clean that phon is protected

Do I have a virus on my phone? A message from an Android app says so


Show $\operatorname{rank}(A) + \operatorname{rank}(B) \ge \operatorname{rank}(A+B)$


Convert hex number to int or byte then check result number in array of byte in c#?

How to convert numbers between hexadecimal and decimal


Does the series $\sum\limits_{n=1}^\infty \sin \frac{1}{n}$ converge?

Convergence/Divergence of $\sum_{n=1}^{\infty} \sin(1/n)$


Are there any paper/human strong crypto systems?


java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.Button.setOnClickListener


How to find out the number for the div clicked (5th, 11th, 15th etc) with jQuery?

Get index of the element I clicked on relative to the jquery collection


Does $\sum_{n=1}^{\infty} \frac{1}{n+1}$ converge?

My proof that a harmonic series diverges..


Google Maps API: Get only street name and number

Parsing city/state from Google Maps request


Capturing multiple line output into a Bash variable


Always answer Yes to replace package Arch Linux

Pacman option to assume "yes" to every question?


Upvote didn't increase my reputation (haven't hit the cap)


iOS app embedded image scroll vs follow-link nuisance

"Slow" scrolling on image causes image to open


jQuery - Get id dynamically from generated element

Event binding on dynamically created elements?


Find the dimensions of a multidimensional Python array


Failing Review Audit because I added a comment that it was a duplicate post

What are review tests (audits) and how do they work?


How do I install and uninstall kubuntu desktop environment?


How to derive mathematically that derivative of |Ax-y|^2 with respect to A is 2|Ax-y| x^T

Derivative of $(y-XB)' h(y-XB)$ with respect to $B$


What if six users conspire to nuke posts with spam flags?


How do I pass a function pointer from a class into another function in C++

How can I pass a class member function as a callback?


Java Junit Mock fails for MongoDB because of Null pointer

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


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


Is there a bijective continuous function $f: \Bbb R \to \Bbb R$ whose inverse $f^{-1}$ is not continuous?

Functions which are Continuous, but not Bicontinuous


java: change hashmap values to another value

How do I efficiently iterate over each entry in a Java Map?


Redirection rule not working in .htacces

redirecting openshift rhcloud domain to custom domain for SEO purposes


appending into middle of a string using sed

How can I use variables in the LHS and RHS of a sed substitution?


Using line numbers in user-define command


$f:\Bbb{R}\to [0,1]$ is continuous at what points?

Prove continuity on a function at every irrational point and discontinuity at every rational point.


For every continuous function $f:[0,1]\to[0,1]$ there exists $y\in [0,1]$ such that $f(y)=y$

Show that a continuous function has a fixed point


Citation: How to set up lower case in partial citation and upper case in full reference for the author names?

Biblatex - capital names in references, regular in cites


function inside function in php: error: Cannot redeclare


Can I apply for Poland's visa appointment from different country if I'm different country citizen?

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


How to calculate the maximum current that a wire can handle?

How does length affect current carrying capacity


How to customize Action bar without change api level?

How to Set a Custom Font in the ActionBar Title?


How to list installed packages in apt that are not backed by a repository?

How do I get a list of obsolete packages?


when I try to install canonical-livepatch, I get an error


how can my arraylist of object get updated on the onCreateview of a fragment

Is Java "pass-by-reference" or "pass-by-value"?


\emph not working when fontspec is loaded

\emph{} no longer works as expected in XeLaTeX / LuaLaTeX


I have a problem with Kdenlive reset settings

Where can I find the configuration files for Kdenlive?


why does DateTime.ToString("dd/MM/yyyy") give me dd-MM-yyyy?


How can I change a question in a quiz application?

Event binding on dynamically created elements?


How to format unicode string to fixed width?

how to control output format when chinese characters and ascii mixed?


What does a non-integrable Hamiltonian system mean?


"No bootable device" after installation on Acer Aspire ES1-431


Can you show why zero divided by zero does not equal zero?

Explanation of method for showing that $\frac{0}{0}$ is undefined


How to correctly sort a string with a number inside?

Is there a built in function for string natural sort?


How do I add PHP code/file to HTML(.html) files?


How to Change Mirrors in sources.list Automatically?


What is the scope of 'SET foreign_key_checks = 0'?

Does MySQL foreign_key_checks affect the entire database?


Should I use 'which' or 'that' in my sentence?

When to use “that” and when to use “which”, especially in relative clauses


Trying to find story of Earthman given power to create planets.

Protagonist becomes the avatar of an alien deity and has to cope with adversary god


Birds don't get electrocuted on live wire

Why do birds sitting on electric wires not get shocked?


How to disable internet search results in start menu post Creators Update?


how do I give the client access to remoteapp but prevent ts login?

Allow only RemoteApp, not Remote Desktop


No network adapter found in settings, yet by running lspci there is a adaptor

How do I install drivers for the RTL8821CE Network Controller on Ubuntu 20.04?


Simple PHP strpos function not working, why?


how to implement File Locking in java 6 for both windows and linux

How can I lock a file using java (if possible)


List solutions of $x^{2} + y^{2} = z$ ignoring signs and order ($x > 0$ and $y > 0$).

Number of integer solutions of $x^2 + y^2 = k$


Ignore running unitTest in the test itself


Windows 10 - cannot change the user name folder

How to rename the User folder in Windows 10?


Can you change HTML source code when you click HTML button?

Incrementing a number in a div using Javascript


Close review audits which should be left open show a close notice box

Close Vote Review Audits are too obvious


How do I specify unique constraint for multiple columns in MySQL?


Point dataset from CSV showing up outside of known region

Adjusting extents so that same-CRS shapefiles overlap in QGIS?


Why the remote ls from here doc from ssh does not work within a $()?


Specific man page for shell built-in commands like 'source'

Where to view man pages for Bash builtin commands?


List of lists changes reflected across sublists unexpectedly


Prove that if $c$ is any element in a field $\mathbb{F}$ and $f(x) \in \mathbb{F}$, then $f(x) \equiv f(c)$ mod $(x-c)$

$p(x)$ divided by $x-c$ has remainder $p(c)$? [Polynomial Remainder Theorem]


Led on for one minute eve if the switch is pressed for more than one minute?

Holding voltage high, for monostable 555 timer pulse


Exception in thread "main" java.lang.NullPointerException in LU Decomposition Method

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


How do you change the starting rotation on imported OBJ file?

How to align an object so one of its faces are axis-aligned? (make an object upright for eg)


Why ffmpeg-split AVI movie freezes when played

How to split a video using FFMPEG so that each chunk starts with a key frame?


Geoserver WMS SQL VIEW parameters with accents

Non-english Characters in cql filter in GeoServer


(16.04) How to "detach" programs from terminal?

How to keep application running after closing the terminal?


Can the weight of a bird be measured, considering air friction?


apt broken install/update/remove causes input/output error for linux-image package

Unable to install any updates through update manager/apt-get upgrade


What's the difference between the implements & extends keywords in Java

Implements vs extends: When to use? What's the difference?


Difference between moving an Iterator forward with a for statement and a while statement


Do I need aTransit visa for UK to Sweden even if I have a USA and Australia visa

Is there a way to find out if I need a transit visa for a layover in the UK?


Why is flow of current considered opposite to flow of electrons even by "convention"

Why is the charge naming convention wrong?


Stop skype from running at startup and after I closed it

How to stop Skype from starting automatically when booting Windows 10?


What to do when the reviewer is wrong about your paper's scope, technically inaccurate, and clearly haven't read your rebuttals

How to React to Incorrect Claims by Reviewers?


Why are `/dev/ptmx` and `/dev/pts/ptmx` not device files?


Function pointer to function with argument of different pointer type. Undefined behaviour?

Casting a function pointer to another type


Why is it necessary that the mod in an elliptic curve is a prime?

Why are elliptic curves constructed using prime fields and not composite fields?


Android project cannot find third party libraries in Eclipse

How can I use external JARs in an Android project?


writing bracket under only block vector matrix


is it possible to combine grep -C or -A or -B with something that EXCLUDES the matching line


Can 1801-1831 censuses in England be viewed online?

Is there a comprehensive repository of pre-1841 local censuses in Britain available online?


Term for a more polite word used in place of a vulgar word

Non-offensive substitute for a swear word


How do I use the Enter key as an event handler (javascript)?

How can I execute a function on pressing the enter key in an  field?


macOS High Sierra 10.13.2 - Missing Disk space

How can I figure out what's slowly eating my HD space?


Hiding and unhiding a Collection in the Viewport

How to "Hide a Collection in viewport" but not "Disable in Viewport" via script in Python


Is Purity monotonically decreasing with increasing Von Neumann entropy?

What is the relation between linear purity and von Neumann entropy of a state?


Does the verb “enable” take a bare-infinitive complement like “let” or a to-infinitive complement like “allow”?

Why does "want" catenate with a nominal plus to-infinitive whereas "insist" does not?


If Cauchy-Riemann equations are satisfied everywhere does that mean the function is analytic?

When is a function satisfying the Cauchy-Riemann equations holomorphic?


Quaternion rotation without Euler angles


Capture stdout and stderr into different variables


How can I obtain the braces shown in the below picture?

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


Calculating sum of parts of column based on another column using QGIS Field Calculator?


App crashing when trying to use RecyclerView

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


Locally connected but not connected and not locally path connected space

Path-connected and locally connected space that is not locally path-connected


How to query json data nodes using JavaScript

How can I access and process nested objects, arrays or JSON?


Does sizeof return the size of a malloc memory allocation?


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


Linux package to display a given text bigger

How do I print 'block' letters in the terminal?


Can someone explain to me what this **diff** means..?


Accessing and changing a class instance from a function outside of main()

What's the difference between passing by reference vs. passing by value?


No Launcher Activity Found even though there is


Data received when earpiece connected to audio jack?

How does the phone detect if 3.5 mm jack circuit is closed?


How does $E(|X|)=\int_0^{\infty}P[|X|\ge x]dx$?

Explain why $E(X) = \int_0^\infty (1-F_X (t)) \, dt$ for every nonnegative random variable $X$


Can I skip over releases when upgrading?


Is there a reasonable limit to how far you can generalise complex numbers?


How can I convert analog voltage to PWM converter just by changing the input voltage

Is building a DC-DC PSU PWM controller from discrete components a terrible idea?


What causes a NotSerializableException in Tomcat 7?

java.io.WriteAbortedException: writing aborted; java.io.NotSerializableException


Story about writing a novel already written

Story about plagiarism by means of time machine


Beamer: Changing the font size of the references using the shrink argument causes an error

Reduce font size of bibliography; overfull bibliography


CSS3 ONLY get element's index for calculation


QSharedPointer VS std::tr1::shared_ptr VS boost::tr1::shared_ptr

What C++ Smart Pointer Implementations are available?


Usage of "they" / "them" / "their" when the person's gender is not known


Why can't I move a window to the top left corner with wmctrl in Unity?


Install DJI Onboard SDK on ROS Kinetic and Ubuntu 16.04 LTS without apt-get

How do I install applications in Ubuntu?


How to compare two strings are equal in value, what is the best method?


Solving a Congruence - cannot understand a step in the solution

Linear congruence fill in the missing step?


Unable to open spreadsheets downloaded from reports

End user cannot open a .xls report exported from Salesforce


Run compiled java class by IntelliJ in command, error: NoClassDefFoundError

Why am I getting a NoClassDefFoundError in Java?


Using ECDH for encryption and decryption

Can elliptic curve cryptography encrypt with public key and decrypt with private key like RSA?


Prove that $\cos{2\alpha}+\cos{4\alpha}+\cdots+\cos{2n\alpha} = \frac{\sin(n+1)\alpha \cos{n \alpha}}{\sin{\alpha}}-1$

How can we sum up $\sin$ and $\cos$ series when the angles are in arithmetic progression?


How can I get event from element that dynamically added to DOM

Event binding on dynamically created elements?


Ubuntu login loop lightdm-session errors

"exec: gnome-session: not found" when logging in using lightdm


Does $K \cong K_0$ and $F \cong F_0$ imply $[K : F] = [K_0 : F_0]$?

Fields extensions over isomorphic fields of different degrees


Why would you use Expression> rather than Func?


How much heat is needed for an atom to be ionized?


Is it possible to add attributes to an existing class using .NET reflection?

Can attributes be added dynamically in C#?


Prove that $\lim_{n\to \infty} (a_1a_2\ldots a_n)^{\frac 1n} = L$ given that $\lim_{n\to \infty} (a_n) = L$


Python performance: square roots and hot-loop operation strategy

Which is faster in Python: x**.5 or math.sqrt(x)?


Changing the size of sub- and superscripts for the whole document


Does it follow that the hermetian part of a matrix is positive definite, that the matrix itself is invertible?

Need verification - Prove a Hermitian matrix $(\textbf{A}^\ast = \textbf{A})$ has only real eigenvalues


Changing wallpaper via cron - difficulty with gnome-session PID

Background not changing using gsettings from cron


If ${a_n}$ converges, then ${a_{2n}}$ converges proof question

Prove: If a sequence converges, then every subsequence converges to the same limit.


The Determinant of a Special Vandermonde Matrix


Why is closure omitted in some group definitions?


How to measure time taken by a function to execute


An additive functor between two categories of left $R$-modules sends zero module to zero module.

If $0$ is the zero-object $ \Longrightarrow F(0) $ is the zero object when $F$ additive


Creating EVI from sentinel2 image using ArcMap?

Calculating EVI from Sentinel 2 imagery gives difference in results between ArcMap & QGIS?


Why is it called a quadratic if it only contains $x^2$, not $x^4$?


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


Date & time format in Krusader - is it changeable at all?

What is the thing in KDE that override my locale settings


Java: Calling String returning method from other class returns null

Is Java "pass-by-reference" or "pass-by-value"?


Help with $\Bbb Z [\sqrt 5 ]=\{a+b\sqrt 5 | a,b \in \Bbb Z\}$


2nd generation Intel Processor vs newer gen?

What's the main difference between Intel processor generations?


which version for my netbook acer v5=121

How do I find out which version and derivative of Ubuntu is right for my hardware in terms of minimal system requirements?


12.04 LTS 64 bits does not boot from HDD

Can't boot without Flash Drive plugged in


Prove $\forall n \in \mathbb{N}: \int_{0}^{\frac{\pi}{2}} |\frac{\sin(nx)}{x}|dx \geq \frac{2}{\pi}\sum_{k=1}^{n}\frac{1}{k}$

Show that,$\int_0^\pi \left|\frac{\sin nx}{x}\right|\mathrm{d}x \ge \frac{2}{\pi}\left(1+\frac12+\cdots+\frac{1}{n}\right)$


should i use All-Caps to execute a MySQL Command for it to work?


Ability to filter your questions by unanswered or not chosen

View my questions with unaccepted answers


What's the meaning of "you should worry"?

Simple explanation of the many functional uses of 'should'?


Is DBCC SHRINKFILE better than DBCC SHRINKDATABASE?

What is the difference between Shrink Database and File?


What does it mean when 'Community' accepts or rejects a suggested edit?

Why does the Community user approve and reject edits?


Remove "reply to" in apex Messaging.SingleEmailMessage

Setting a from address in SingleEmailMessage


How to install guest additions on Ubuntu Guest? And why's it so convoluted?

How do I install Guest Additions in a VirtualBox VM?


How to implement a general func for copying n-depth jagged array by value (without reference)?

How do you do a deep copy of an object in .NET?


Proving $\frac{1}{2}+...+\frac{1}{n} \leq \ln(n)$ by induction

Demonstrate by induction the inequality: $\ln(1+n)\leq\sum_{i=1}^{n}\frac{1}{i}\leq1+\ln(n)$


In a five card hand how many three of a kinds can I generate?

Ways of getting three of a kind in a 52 card deck


What recourse do I have if I believe a moderator has abused their privileges?


Do I really need a US$1500 rig for crisp sharp photos?

How do I diagnose the source of focus problem in a camera?


Show that a Set is dense in $(C[0,1],|| \cdot| |_\infty)$

In $C[0,1]$ prove that the subset of Lipschitz functions is dense


What are system, active and boot partitions in terms of microsoft?

System Reserved partition no longer marked as System


Is it correct that a torrent gets downloaded via enp3s0 (eth0) even if outgoing traffic is restricted to a VPN on tun0?

Can someone explain these rules for a specific user and a VPN in iptables?


Where to buy a similar Vietnam SIM card aimed for locals/expats (not for tourists) in HCMC?

How can I find the cheapest prepaid SIM card for a given country?


“Feel like” vs. “feel as though” vs. “feel that”


Why is there this kind of contour pattern in a photo?

Why do I see a saddle in this picture of a computer screen?


How can an app detect that it's going to be uninstalled?


Determine if the following sequence is convergent and find its limit: $x_n=(n^n/n!)^{1/n}$

Finding the limit of $\frac {n}{\sqrt[n]{n!}}$


What is 'System and compressed memory' and why is it using so much memory?

Windows 10, 'System' process taking massive amounts of RAM


False positive "undefined variable" error when compiling SCSS


Does form data still transfer if the input tag has no name?


What's the best way to count the number of files in a directory?

How do you move all files (including hidden) from one directory to another?


Search and replace using a regex with some characters appearing anywhere in the string

How do I match any character across multiple lines in a regular expression?


Regex only checks first character in string C#

What special characters must be escaped in regular expressions?


How can I make the Cartesian product of a list with itself?

Combining two lists of different dimensions into a list of all combinations of points?


Error with $ when using math in TikZ figure


Is it possible to re-install Android OS When the OS is practically useless

Is it possible to perform a complete reinstall on an Android smartphone?


How to prevent IDE to put any html character before session_start()?

How to fix "Headers already sent" error in PHP


Using wilcox.test() and t.test() in R yielding to different p-values

Using wilcox.test() and t.test() in R yielding different p-values


Prove $\mathbb Q (\sqrt2 + \sqrt3 ) = \mathbb Q (\sqrt2 , \sqrt3 )$

Is $\mathbf{Q}(\sqrt{2}, \sqrt{3}) = \mathbf{Q}(\sqrt{2}+\sqrt{3})$?


How can I set an external display (monitor) as the primary one?


How do I evaluate $\lim\limits_{x\to 0} \frac{\sin x}{x}$

How to prove that $\lim\limits_{x\to0}\frac{\sin x}x=1$?


Data tag parsing failed: Encountered multiple top tags, only one expected


Account is not linked after question migration even though the user has already registered on target site

Lost question ownership after being migrated to other site's child meta


Book recommendations to understand General Relativity


Are there currently problems with the 'Announcer' badge?


The rule to scale pixel art non multiple of integer ratios

What makes scaling pixel art different than other images?


What does it mean to say exchange "force" is not really a force?

Nature of the quantum degeneracy pressure


How can I create directories recursively?

How can I safely create a nested directory in Python?


How to fix "unable to contact snap store" error while installing conjure-up


Arrange the following growth rates in increasing order O((35)^n),O(n^4),O(1),O(n^3 logn)

Arrange the following growth rates in increasing order: $O (n (\log n)^2), O (35^n), O(35n^2 + 11), O(1), O(n \log n)$


Why does "new Random().Next()" not return random numbers like "random.Next()"?

Random number generator only generating one random number