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


Euler Product formula for Riemann zeta function proof


Windows 10 claims that memory is full, when it really should not be

Windows 10 Low Memory Warnings when I have plenty of available memory


Is there a way to access the help FAQ from mobile app?

The Android app does not have obvious access to the help center


Contruction: Bijective, continuous map from one topological space $X$ into itself that is not open

Are continuous self-bijections of connected spaces homeomorphisms?


How do I remove Windows 7 from my dual boot system with Ubuntu?


Why does Kylo seek Luke's original lightsaber?

Why would Kylo Ren even want the Skywalker lightsaber?


Why doesn't a query on data.stackexchange.com show the most recent data?

Why are my SEDE results inaccurate/obsolete/incorrect/outdated?


Random but very interesting probability question!

Expected time to roll all 1 through 6 on a die


Find 2 x 2 matrices E and F such that EF = - FE?


Try finding languages such that L1⊆L2⊆L3 where L1,L3∉ RE and L2∈ R

Finding languages such that $L_{1} \subseteq L_{2} \subseteq L_{3}$ where $L_{1}, L_{3} \notin \mathbb{R}$, $L_{2} \in \mathbb{R}$


I don't have Chromium, but the Software Updater keeps updating some extensions!


Dynamic configuration of monitors (Debian, Intel i915)

A tool for automatically applying RandR configuration when external display is plugged in


Assigning null to variable in finally block

Does a finally block always get executed in Java?


How to extract a particular word after 7th slash in a path using regex


How to make a time buffer in between iterations


Running Cron every 2 hours and 5 minutes


Least squares - why multiply both sides by the transpose?

Understanding linear algebra in Ordinary Least Squares derivation


How do you prove that OLS Estimator must pass through mean of X and Y

Regression Proof that the point of averages (x,y) lies on the estimated regression line


How do I remove all of the files that have to do with TeamViewer in /etc/apt/sources.list.d?

How can I fix apt error "W: Target Packages ... is configured multiple times"?


Moment of inertia of a hollow sphere wrt the centre?


Firefox 6 Infinite Page Refresh With Page With Hash Tags


Are there Cauchy sequence that are not bounded?

Proof Check: Every Cauchy Sequence is Bounded


Is there a Stack Exchange site for Law Questions? If not, why not?


Confusing message when I try to award a bounty

If it's too early to award a bounty, indicate so earlier


If $g(x)=\int_1 ^3f(x+t)dt$ what will be the value of $g'(0)$


Install Ubuntu on SSD if I have a computer with no OS and an HDD


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


Getting two different answers for $\int \frac{1}{2x} \, dx $

Is $\int \frac{1}{2x} \, dx $ equal to $\frac{\ln|2x|}{2}+ C$ or $\frac{\ln|x|}{2}+ C$


What does 600R@100M mean from RDA5807M datasheet?

What does 100Ohm @ 100MHz exactly mean in ferrite beads?


Comment or Log in code posted in question

Is it appropriate to remove excessive commenting from code?


Could electromagnetic charge curve something like spacetime in analogy with general relativity?

Has a metric formulation of electromagnetism ever been attempted?


How to print colored text to the terminal?


Do morph cards suffer summoning sickness

What is "summoning sickness" and how does it affect my creatures?


My UV map on a cube looks OK but only two faces are seen in editor and non in the render

I UV unwrapped my mesh, but the image texture doesn't show in my object


Searching for a specific book about dragons

Identify this YA book series about dragons, acid blood, and dangerously cold nights


Using population data as Z-axis to make 3D map in Python?


How does the fibonacci recursive function "work"?


What does the big intersection or union sign of a set mean?


Why are sperm cells not attacked by the female immune system?

Why White Blood Cells (WBCs) do not react to foreign bodies like sperm?


How Meta Stack Overflow is different with Meta Stack Exchange

How do per-site Metas differ from Meta Stack Exchange, and where should I go to ask my question?


How do I display the contents of a Linked List in Java?

How do I print my Java object without getting "SomeType@2f92e0f4"?


What is this dashed box and how can I turn it off?


Is there a searchable list of communities on Stack Exchange?


Can we enable Networking in single user mode of Linux?

linux + single user mode and set network


Does JQuery only recognize hard-coded elements?

Event binding on dynamically created elements?


Let me opt-out of certain sites for Hot Network Questions to avoid TV spoilers posted by inconsiderate people

Filter "Hot Network Questions" by excluding sites


Multiplicity Correction for Coefficient Estimates in Linear Regression

multiple regression and multiple comparisons


Mobile App Splash screen sizes for all platforms using PhoneGap

phonegap - splash screen for Android app


How to send special characters to php server


Tanzanian passport, Canadian resident card - transit visa?

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


Assigning identical array indices at once in Python/Numpy


NullPointerException with listener and creating objs on button click

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


How can I use /testfor to see if someone is holding a diamond in their main hand?

Is it possible to use NBT tags in commands in Minecraft: Bedrock Edition?


Is 'I would rather...' without an infinitive immediately following it correct?


What would the effects of the GW150914 gravity wave burst be on observers much closer that 1.3B LY?

How close would you have to be to the merger of two black holes, for the effects of gravitational waves to be detected without instruments?


Can "would have" be used to express assumption or a guess?

Are there dialects where "would have" is used to describe a factual event long in the past?


Latex does not compile eps files form Matlab?


Why do high frequencies have a larger deflection through a prism than smaller frequencies?

Why do prisms work (why is refraction frequency dependent)?


What make and model is this MTB with no decal (pictured)?


Action, Func and Predicate delegates - C#

Delegates: Predicate vs. Action vs. Func


Wubi "could not retrieve the required disk image"

How to install with Wubi when it says "Could not retrieve the required disk image files"?


How to enter an account directly at start up

How to auto-login in Xubuntu or Ubuntu Server with XFCE?


Why does the foreach statement not change the element value?


Radial/centripetal vs. tangential/linear vs. angular acceleration


Why doesn't logcat show anything in my Android?


Proof explanation about the computation of a certain determinant by Sylvester's theorem

How to calculate the determinant of all-ones matrix minus the identity?


How to convert "3:31" mm:ss from string to integer representing seconds

Convert seconds into minutes and seconds


How can I tell gcc not to inline a function?


Which Time Tracker application do you recommend?


Can I use a Bash variable in a sed command?

How do I use variables in a sed command?


Updating multiple elements in Form Ajax Callback

Can I use ajax to target multiple form elements from one input?


How to convert string to NSDate in iphone?


difference between sizeof(foo) and sizeof(foo()) in C

Why is the size of a function in C always 1 byte?


Ubuntu 16.04 doesn't start anymore but only boots to grub terminal after system froze during sudo apt upgrade

How to make grub menu appear instead grub minimal bash-like in booting?


Is there a "label" to break nested foreach loops in C#?


What is the time complexity of the following code? in Big O notation

What is the Big-O of a nested loop, where number of iterations in the inner loop is determined by the current iteration of the outer loop?


How can I repair grub? (How to get Ubuntu back after installing Windows?)


C++ weird rounding when decimal passed into function


SE paid membership with payout to users who answer questions

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


Can the comment deletion modal popup be replaced, or at least tweaked?

Can the new messagebox be somewhere else?


Which musical piece is this from Code Geass?

Code Geass R2 episode 7,there is a song playing at 6:40


How to put caption on top of the table with packege longtable?


JavaScript: Uncaught TypeError: Cannot read property 'style' of null

Why does jQuery or a DOM method such as getElementById not find the element?


bcmwl-kernel-source broken on kernel: 5.8.0-34-generic


If $F[x]$ is a principal domain does $F$ have to be necessarily a field?

Let $R$ be a commutative ring. If $R[X]$ is a principal ideal domain, then $R$ is a field.


Is it possible to have two background colors for a single html element?

Can I have multiple background images using CSS?


could someone explain or prove the chain rule in first principles


Is a basis for the vector space of all series in $\mathbb{R}$ constructible

Is there a constructive way to exhibit a basis for $\mathbb{R}^\mathbb{N}$?


Logical Sessions not closing at MongoDB 4.2

How to close mongodb idle connection(active: false)?


How can I make a bigger dent in close vote reviews?

Huge close votes review queue on Stack Overflow


How should a new investor allocate funds in a Roth IRA?


Redirect everyone except my ip to a file


Why is it necessary to sample from the posterior distribution if we already KNOW the posterior distribution?


$C$ is a square matrix and $\operatorname{tr}(C)=0$ are there matrices $A$ and $B$ in which $C=AB-BA$?


How to get the current default set language of the current Windows OS for version 7 and later versions using C++?


getting javafx.fxml.LoadException error although the fxml window is opened

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


SQL Server - In clause with a declared variable


Finding the remainder of a large number without the use of a calculator.

Mod of numbers with large exponents [modular order reduction]


Tumbleweed badge - do close votes alter the outcome?

What are the badges I can earn on each site, and what are the exact criteria for earning each badge?


Can I misty step while carrying a willing/unconscious creature so we both teleport?

Can a player character use the Misty Step spell to bring another character or creature with them when they teleport?


Is it good to have / after website URL for SEO?

Does it make a difference if your URL path ends in a trailing slash or not?


Proof of $\frac{(n-1)S^2}{\sigma^2} \sim \chi^2_{n-1}$


Enthusiast/Fanatic Badge - Do We Need to Just Visit or Participate?


validation accuracy is fluctuating in a neural network?

Learning a quadratic function using TensorFlow/Keras


What is the last version of Ubuntu 32-bit that downloadable for desktop with Intel processor

Where can I find 32-bit version of Ubuntu?


match new line, why [.\n]* does not work in regex?

How do I match any character across multiple lines in a regular expression?


Center a responsive absolutely positioned element

Center an element with "absolute" position and undefined width in CSS?


How to prove if n>2 is a prime number, then n is odd?

prove that $n >2$ and $n$ is a prime then $n$ is odd


Installing debian package through Synaptic


How to install ubuntu alongside windows?

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


For what value of $f(x)$ the given integral equation have solution


How would SQL Server combine Read-only and Write-only permissions?

How does SQL Server handle logins when the user is a part of multiple groups with various privileges?


Schengen Visa refused by UAE Greek Embassy

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


Why is the first case "to reducing" and the second one "to reduce"? Is it correct?

"approach to address" or "approach to addressing"?


How can I install Windows software or games?


Suggestion for statistical analysis. Is generalized estimating equation (GEE) a good option?

Difference between generalized linear models & generalized linear mixed models


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


How can I make python busy-wait for an exact duration?


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


Prove the following triangle related inequality

Inequality based on triangle: $\frac{3}{2}\le\frac{a}{b+c}+\frac{b}{c+a}+\frac{c}{a+b}<2$


Is it correct to say the interval of real numbers from 0 to 1 is more dense than that from 0 to n?

Does the interval $[0,1]$ contains more real numbers than $(0,2)$?


how to adjust a div in the middle of the page

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


How to call a parent class function from derived class function?


Inconsistent and confusing rep total in achievements tray after downvoted answer was deleted

Deleted downvotes should appear in Achievements dialog


Grub Won't Even Come Up after Upgrade to 14.04 Dual Boot Win8

Ubuntu 13.04 on UEFI system with Windows Boot Manager as the main loader


Testing a class that has multiple callouts?


How can I draw a coloured concave lens without using PSTricks?


Convert UITableViewCell into UIImageView


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


What kinds of desktop environments and shells are available?


What is the purpose of capitalization? how are capitalized words read?

Why is the first letter of a proper noun capitalized


Why isn't privacy respected in an advanced society like Star Trek?

Was there any privacy aboard ship in ST:TNG and beyond?


Java If Statement having multiple conditions with && operator not working


Evaluation of $\lim_{n\rightarrow \infty}\binom{2n}{n}^{\frac{1}{n}}$

Evaluating $\lim_{n\to \infty}\frac1{2n}\log\left({2n \choose n}\right)$


No writeable permissions when mounting Windows folders

Mounted cifs share but no write permissions


How to get Beamer Math to look like Article Math


Does the War Machine Armor have any form of AI in the Marvel Cinematic Universe?

Is the War Machine armour simply "the Iron Man armour with big guns"?


How does the new Sangan errata affect Exodia?

Can effects (like Majesty's Fiend) prevent Exodia from winning?


What do \makeatletter and \makeatother do?


Unhandled Errors not showing from Visual Studio 2010 Debugger (x86 mode)

VS2010 does not show unhandled exception message in a WinForms Application on a 64-bit version of Windows


How to substract two lists of lists from each other?


How can I create text with a neat quad topology for deformation?


Disable alert e-mails from Mail / Calendar


Reference — What does this symbol mean in PHP?


IE9 script is not run until I open console

Why does JavaScript only work after opening developer tools in IE once?


Change "Abstract" Title Name in els Article Class


Black screen and cursor only when I log in in 13.10

My computer boots to a black screen, what options do I have to fix it?


mysql PHPMyAdmin isn't accepting Arabic Language


Python how to get reference to class in static method

Difference between staticmethod and classmethod


How to deal with custom configuration on versioned files? - git

How do you deal with configuration files in source control?


$h:X\to X$ endomorphism of module $X$ over $R$ satisfying $h\circ h = h$. Prove X = Im(h)\oplus Ker(h)

A module as an external direct product of the kernel and image of an idempotent function


xubuntu 14.04 wont recognise my huawei e3372h 4g modem


How to get printf using {1..$VAR} to work properly

How do I iterate over a range of numbers defined by variables in Bash?


So, "This ring is made of silver" & "This ring is made from silver" are both correct but have different meanings, right?

Why is wine made 'from' grapes, but tables are made 'of' wood?


QGIS 2.2 Openlayers Plugin shift between shapefile and base layer for large format

OpenLayers low resolution and/or shifts in QGIS print composer?


How to add text to cursor position in textbox

How do I find the position of a cursor in a text box? C#


How would i add order of operations in my GUI calculator

Equation (expression) parser with precedence?


Reputation by month page on Mathematica is wrong?

Something wrong with monthly user rep - some users show quarterly figures?


how to prove if $\lim_{n \rightarrow \infty}a_n=A$, then $\lim_{n \rightarrow \infty}\frac{a_1+...+a_n}{n}=A$?

On Cesàro convergence: If $ x_n \to x $ then $ z_n = \frac{x_1 + \dots +x_n}{n} \to x $


Populate a input[type=file] with drag and drop without ajax

Drag-and-drop file uploading without AJAX, synchronously in the foreground?


Python multipying List within a list by 10 and getting different results when implementing hash table

List of lists changes reflected across sublists unexpectedly


Python: Produce list which is a sum of two lists, item-wise


Is there a way to switch the mesh selection mode by a shortcut?


Minecraft Forum, MoTD how do you change it!

How do you change the MoTD for a Minecraft Server?


Dual boot after ubuntu install not working - NO EFI and different hard drive

Installing Ubuntu on one of two hard drives


We see things ON / IN / AT the internet?


How to get attention to a post on a child meta site


KOMAscript - title page: Title font does not increase in size


i need the command for citing my reference with author and year e.g magda(1980)


How to install Eclipse Neon/Mars for C/C++ on ubuntu 14.04

Installing Eclipse IDEs for Java and C/C++


Prove $\sum\limits_{i=0}^n\binom{i+k-1}{k-1}=\binom{n+k}{k}$ (a.k.a. Hockey-Stick Identity)


how can i write latex code to produce this rectangle as picture


Spring-security cannot match "?parameter" format?


Didn't understand relationship in FROM part of query call


Hashset and List :Which one is efficient way to store list of objects


Why does subsurf modifier cause weird deformation at the end of a cylinder?


SQL Error: ORA-00979: not a GROUP BY expression


Schottky Diode disadvantage as compared to usual diode

For a lower voltage drop one could use Schottky diodes, but what are the disadvantages of Schottky's?


Want to use a lambda function to change the type of a cell if it is type float

What's the canonical way to check for type in Python?


Method not found using DigestUtils in Android


How to validate phone numbers using regex


How to Track visitor ip in html javascript

How to get client's IP address using JavaScript?


How can I estimate the perfomance of graphics cards I don't have?

How do I determine my games minimum hardware/software requirements?


Finite group $(G, \cdot)$ and H a subgroup of G. Prove that if $x \notin H, y \notin H$ then $xy \in H$.

Let $G$ be a group and $H$ be a subgroup of $G$ of index $2$ .Then show that if $a,b\notin H$ then $ab\in H$.


Is an empty set reflexive? Symmetric? Transitive?

Prove that the empty relation is Transitive, Symmetric but not Reflexive


How do I Sort a Multidimensional Array in PHP


Does the if clause modify "I will play the violin" even though the clauses are not next to each other?


Bug when scrolling through the similar questions list


Adding an aggregate function to the WHERE clause?


How can I use one method and also switch between a coroutine and the main method?

How can I switch between starting a coroutine vs running the routine all at once?


Convert a color image to grayscale in MATLAB without rgb2gray

How to convert RGB images to grayscale in matlab without using rgb2gray


SELECT within SELECT PDO prepared statement

Are PDO prepared statements sufficient to prevent SQL injection?


Generating combinations of a string in a list [Python3]

How to generate all permutations of a list?


Email validation with Javascript; every email appears to be invalid

How to validate an email address in JavaScript


which of the following sentences are correct

'Should've seen it glow' or 'should've seen it glowing'?


Tableview showing the wrong size of cell

UITableViewCell frame height not matching tableView:heightForRowAtIndexPath:


To evaluate the sum $\frac{1}{5}-\frac{1 \cdot 4}{5 \cdot 10}+\frac{1 \cdot 4 \cdot 7}{5 \cdot 10 \cdot 15}-\ldots$


Show that $u(x)=\ln\left(\ln\left(1+\frac{1}{|x|}\right)\right)$ is in $W^{1,n}(U)$, where $U=B(0,1)\subset\mathbb{R}^n$.


Modern GCC interpreting `<` preceding template parameters as operator `<`

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


Is there a way to still have zombie villagers from zombie spawners in 1.17?

Is there a way to still have zombie villagers from zombie spawners?


How can I convert an audio signal from a phone to 0-5v for a microcontroller?

Level shifting a +/- 2.5V signal to 0 - 5V


Python: How can I convert a UTC timestamp into python utc datetime?

Convert UTC datetime string to local datetime


Russian citizen travelling from uk to Russia via Belgium

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


linux periodic system check script or utility


How many non isomorphic groups of order 30 are there?


Accidentally unloaded all launchctl daemons and now can't boot

I mistakenly disabled all services in Yosemite (10.10), now it can't boot


The metalic look of the material looks opaque


Is it possible to add an HTML link in the body of a MAILTO link


Unable to upgrade to 18.04 (no new release found)

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


How to fix Disk Utility, About This Mac, and Finder that disagree on hard drive space usage?


What determines which pokemon you are allowed to place at a gym?


Auto-generated possible duplicate comment should not be removed after closure

Don't delete comments with link to duplicate if they are modified


How to use select (query)alias on WHERE clause?

Refer to renamed columns in WHERE clause


Create a draggable div in native javascript


Is it possible to not use all your votes in the election phase?

Will my vote be valid if I only use one of the three in the moderator election?


Why do human have continuously-growing hair on their head?

Why does human facial and head hair continue to grow?


I am asked to complete my withdrawal transaction with COT fee of 1200 dollars


How can I take a sensitive result for this equation?


Change date only for a single non-root user in Linux

How to trick a particular command into thinking it is a different date?


I cant figure out whats wrong with this command in minecraft

'Unbalanced Curly Brackets' Error with this command block code, what am I doing wrong?


problem with position of inserted picture

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


Why is my account appearing on SO top users?


What can i do to update the android version of my android device if there is no available update available for my device?


How to force break a line to new page in longtable?

How to convince longtable to do a page break earlier


What is the most secure way of hashing password in PHP?


How to print floats with for loop without other functions BUT range()


Question about differential signals as input of an operational amplifier


Material Colors don't show when exporting?

.fbx export why there are no materials or textures?


Page appears indexed in Google but not findable for any search terms?


Is it possible to write 1 as the sum of the reciprocals of x odd integers? x is the odd number.

Can the sum of finitely many inverses of distinct odd integers $\geq 3$ be 1?


Should I always define my entire template class in the header file?

Why can templates only be implemented in the header file?


Retrieve triples with properties restricted by namespace

SPARQL - Restricting Result Resource to Certain Namespace(s)


Camera not working in a Game Maker mod I am creating

Does Game Maker use use intrinsic or extrinsic rotations?


Best way to render transitions on a WPF desktop application


How can Star Wars have humans if it happens a long long time ago?

Why are there humans in the Star Wars Universe?


prove that using 10 coins is enough to cover any 10 points in a plane

Covering ten dots on a table with ten equal-sized coins: explanation of proof


Regular Expression - Find all matches after string but before character

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


how to clear the content in the String stream.?

How do you clear a stringstream variable?


How to get installed package name in a list?

How to get a list of installed android applications and pick one to run


Cannot login after update ubuntu 12.04 . ICEauthority error message

Error saying "unable to update ICE authority" while booting


Selecting lowest values in from attribute table in ModelBuilder?

Using MAX in SQL Expression of ArcMap ModelBuilder


Getting null pointer exception when casting driver.get again selenium webdriver

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


Should the Citizen Patrol badge be grouped with Deputy and Marshal badge

Add additional sub-groups to the new Badge page & related Feedback


Cycles and quick smoke: the fire doesn't show up rendered video

Cycles Flame in Smoke Simulation not Rendering


Update my Ubuntu version from Ubuntu 13.04 to Ubuntu 17.04

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


About Cantor set: Cantor set + Cantor set


Will free-fall object into black hole exceed speed of light $c$ before hitting black hole surface?


UIView and initWithFrame and a NIB file. How can I get the NIB file loaded?


How to create users for site from a web-form submission?

How to create User Account Registration form with Webform?


Remove all non digit characters by T-SQL

Fastest way to remove non-numeric characters from a VARCHAR in SQL Server


round() doesn't seem to be rounding properly


What is the best strategy for Coppersmith in Dominion?

How can I effectively use the Coppersmith?


Transliteration from Cyrillic to Latin ICU4j java


how do i add or insert multiple rows in two columns, at the same time?

Best way to do multi-row insert in Oracle?


Is the origin of giants explained anywhere in Tolkien's fiction, notes or letters?


How to smooth shade an object while retaining hard edges?


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


Setting up a MLP for binary classification with tensorflow

What should I do when my neural network doesn't learn?


What is "Best Practice" For Comparing Two Instances of a Reference Type?


Natural scrolling with mouse on Ubuntu 14.04

Is there anyway to enable system wide inverse scrolling?


Why must nuclei contain both protons and neutrons?

Why don't neutrons cluster on their own?


I got security updates message when I login to ubuntu but I can't find the updates


How can I merge properties of two JavaScript objects dynamically?


Mixing squared textboxes and rounded buttons

Mixing rounded corners and square corners


Can we disappear from this site, or will there be a policy update preventing SE employees from talking about us to the media?

What is the license on Stack Overflow Questions and Answers?


Windows 7 task bar at autohide, make it totally disapear?


How to Add Column to an existing SQL Server table along with data

Add a column with a default value to an existing table in SQL Server


Who gets the "Was this post useful to you?" feedback?


Null pointer exception after click a button (SQLite database)

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


k-space tensor integral in statistical mechanics

$k$-space tensor integral in statistical physics


Re-use chapter and section titles in an introductory section on the thesis' structure?

how to get the current chapter name, section name, subsection name, etc?


C++ : Finding instances of a class in a vector of superclass


Limit Integral equal to a supremun: $\lim_{n\to \infty} \left[\int_a^b (f(x))^n dx\right]^{{1}/{n}}=\sup_{x\in [a,b]} f(x).$

limit of Holder norms: $\sup\limits_{x\in [a,b]} f(x) = \lim\limits_{n\rightarrow\infty} \left(\int_a^b (f(x))^n \;dx\right)^{\frac{1}{n}}$


How to draw lines across several subplots created using pgfplotslibrary groupplots

How to draw line through group plots in pgfplots?


An integral domain that is not a principal ideal domain

Show that $\langle 2,x \rangle$ is not a principal ideal in $\mathbb Z [x]$


How to make \left, \right pairs of delimiter work over multiple lines?


How to use JQuery contains for exact string


find + grep to Search for Files Containing Multiple Strings

Search for text files where two different words exist (any order, any line)


Swap used even though most memory is "cached"?

Why use swap when there is more than enough free space in RAM?


Stupid issue with animate function of jQuery


Why does the equation $x^4 -17 = 2y^2$ have no rational solution?

Show that the curve $2Y^2 = X^4 - 17$ has no points in $\mathbb{Q}$


How can I know what speed card to get for my camera?


How do i change global boolean inside a function?

What are the differences between a pointer variable and a reference variable in C++?


What are the Cauchy sequences in $(X,d)$ when $X = \mathbb{R}$ and d represents the discrete metric?


Would visible light still be in a separate classification if we saw "colors" in a different wavelength?

Is there a physical reason for colors to be located in a very narrow band of the EM spectrum?


McLaurin expansion for $f(x)=e^{\sin{x}}$ of the 4:th order.


Is there a way to recover files from a storage device partially overwritten with dd?


Batch File For Loop Processing Files Over A Certain Age

Batch file to delete files older than N days


Chronurgist Wizard's Chronal Shift at advantage/disadvantage

If you have dis/advantage on a roll, do you have dis/advantage on a reroll?


Is the operator $(\cdot)^{\frac{1}{p}}$ subadditive for $1<p<\infty$ for positive numbers?


One of my friend's minecraft times out every time he joins my server

Why does the connection time out when connecting to a server?


Grep regexp (linux) for extracting two words and storing them in variables


Should we retract badges in case of serial voting by multiple sock puppets?

Please revoke badges gained by abusive voting


Reading txt file in bash line by line, without knowing its name

How to iterate over arguments in a Bash script


Prediction vs. Explanation and its Effect on Statistical Methods

Practical thoughts on explanatory vs. predictive modeling


Advice on integrating $\int \frac{x^2 +n(n-1)}{(x \sin x +n \cos x)^2} dx$

Integrate $\int {\dfrac{x^2+\left(n-1\right)n}{\left(x\sin x+n\cos x\right)^2}}dx $


XML Package for R: Scraping password protected sites

How to webscrape secured pages in R (https links) (using readHTMLTable from XML package)?


what is a variable 'name' of javascript?

Using the variable "name" doesn't work with a JS object


QT4: How to restart application? Reset settings?


How to change title via button or anchor

How to dynamically change a web page's title?


Java equivalent of C# generic array declaration?


I can't install my own bl-link WiFi adapter " LB-Link- WN151P " I wonder if there's a way to do that?

Install 0bda:f179 Realtek Semiconductor Corp. (rtl8188fu), or Netgear rtl8812au USB WiFi adapters


Ubuntu 16.04 freezes or hangs for unknown reason

System freezes completely with Intel Bay Trail


How to add a text overlay over an image with HTML and CSS


Is the "ng" sound often pronounced simultaneously with the "n" sound?

Why do some people pronounce "singer" as "singGer"?


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


Is it possible to make fonts fuzzy, like in a bad scan?

Use LaTeX to simulate old typewriter written texts


Seasoning refuses to stick to carbon steel pan. Tried various techniques

How to maintain a smooth seasoning on carbon steel skillets?


What hardware does Ubuntu Touch support?


Hi.. I am using latex for my thesis, I need some help in titles pages

Add 'Page' above page numbers in Table of Contents


What should be the minimum observation size per group in a random effect

Minimum sample size per cluster in a random effect model


How do I check if a player has eaten rotten flesh in minecraft?

Is it possible to detect a player consuming food items?


Self-references in object literals / initializers


How do you remove Nvidia's proprietary drivers?


Unable to boot to Ubuntu after a restart

How can I repair grub? (How to get Ubuntu back after installing Windows?)


Why does electron $(-)$ keep rotating round the nucleus $(+)$ even they are attracted?

Why don't electrons crash into the nuclei they "orbit"?


What are the most important things I need to do to encourage Google Sitelinks?


How to add a regression line to randomly generated points using pgfplots in Tikz?


Clipping Rasters with a mask layer error


How can I delete all characters falling under /* .... */ including /* & */?


Is it possible for a non japanese anime/manga artist to draw and color anime/manga authentically?

Can an animated show created outside Japan be called Anime?


Basic Java Calcualtor: Only addition working


Is there any "superlogarithm" or something to solve $x^x$?


Fitting by Fourier series and their coefficient

Fit data with linear combinations of Cos and Sin


What is the state of Ubuntu compatibility for the Surface Pro 7 (2019)?


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


Installing Ubuntu to pre-created partition

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


Access .mat file containing matlab classes in python


Does linear regression assume all variables (predictors and response) to be multivariate normal?

What if residuals are normally distributed, but y is not?


Google Account Deleted, can't log in to other acccount


Is there a "SHELL IN PRIVATE" mode for bash?

Temporarily suspend bash_history on a given shell?


Taylor series for $\ln(\frac{1-z^2}{1+z^3})$


Suppose that $A$ is a normal matrix. Prove that one can write: $A = G^4$ for some self-adjoint matrix $G$

Prove normal matrix is 4th power of some self-adjoint matrix


Do inner functions in JavaScript get hoisted? How do the scoping rules apply to them?


Can't See When Using LiveDVD, Blind Booting

My computer boots to a black screen, what options do I have to fix it?


KDEConnect & Oppa A5 can't detect one another

How to install and run GSconnect to have Android integration (fransfer files, send SMS/text, get notification & more) in Ubuntu?


Find number of ring homomorphisms from $\mathbb Z_{12} \to \mathbb Z_{28}$

Number of ring homomorphisms from $\mathbb Z_{12}$ to $\mathbb Z_{28}$.


What precaution should users take when installing proprietary snaps to avoid malware?

What precautions should I take with .debs I find on the internet?


Existence of $n$ such that $a^n=a$ for all $a$ in $Z_m$

Show that there does not exist any $n$ for which $a^n=a$ forall $a\in \Bbb Z_m$ where $m$ is divisible by the square of some prime.


Do bugs/problems in bluetooth SPP profile of HTC Desire affect Bluetooth Chat app?

Data Transmisison error using SPP over Bluetooth on Android


Strange evaluating indication of output cells


Allow Access origin Issue With Rest Api For Patch Method


unresolved external symbol vector c++ when sharing a vector between classes

Unresolved external symbol on static class members


How can I find the number of instances of each text?

Count distinct values of a field in a file


Deriving $\log{n} < \sqrt{n}, \forall n \in \mathbb{N}$


How do I get the height of a SMART_BANNER AdView in Android?


What is the difference between the blackness of a Black Hole and the blackness of a Black Body?

Is there a substance that doesn't reflect OR absorb light from the visible light spectrum?


How to convert a currency string to a double with jQuery or Javascript?


How to access an Object property's name?

Safely turning a JSON string into an object


Prove: Let 𝑥 ∈ ℤ and a, b be distinct primes. Then a|𝑥 and b|𝑥 if and only if ab|𝑥.

If $p$ and $q$ are distinct primes such that $p|c$ and $q|c$, prove that $pq|c$


t-sql to get the create table script in sql server

In SQL Server, how do I generate a CREATE TABLE statement for a given table?


Show that for all real numbers $a$ and $b$, $\,\, ab \le (1/2)(a^2+b^2)$

Prove the inequality $|xy|\leq\frac{1}{2}(x^2+y^2)$


Does the holodeck have to work extra hard for Geordi Laforge?


Is wrong to say "two and two are not five"...?

Should I use the singular or plural verb in mathematical formulae ("Two and two make/makes four")?


Cross- Stack-Exhange sites "linked" section

Display other SE site links in the linked questions sidebar


Is it really true that the Cartesian product $\mathbb R^2 \times \mathbb R^3$ is not equal to $\mathbb R^5$?


SQL Column has a value I need to split into two columns

How do I split a string so I can access item x?


Ubuntu erased my Windows when I chose to replace old Ubuntu install

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


Javascript/JQuery function not triggered after .load

Event binding on dynamically created elements?


I'm trying to create a binary search function within a binary tree but keep getting a null pointer exception

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


Solving System of equations and L-U decomposition of matrices

When does a Square Matrix have an LU Decomposition?


Using getHostServices to open a PDF from a WebBrowser


Any way to give an alias to long EL expressions?

Defining and reusing an EL variable in JSF page


Is there a way to combine two png images at shader editor?

Add a transparent image on top of a material


$n$ men and $n$ women form a queue, how many ways are there so that for every man, there are more women in front of him?


Need help understanding an electronic oscillator (Schmitt trigger + capacitor)

Schmitt Trigger Oscillator - How does it work?


Grep versus Awk: How do the search mechanisms differ


Matrix with zeros on diagonal and ones in other places is invertible


Group by but selecting the most recent row

Retrieving the last record in each group - MySQL


"He is loved", is 'loved' an adjective or a verb?

verb or adjective in "The blue page is *stapled* to the red page"?


Copy a file in a sane, safe and efficient way


Can I install Ubuntu to my 32 GB USB pen drive?

How do I install Ubuntu to a USB key? (without using Startup Disk Creator)


Display historical characters "uͤ", "oͤ" and "aͤ"?


What method is there to denest square roots?

Show that $\sqrt{4 + 2\sqrt{3}} - \sqrt{3}$ is rational.


Would Gringotts convert Wizard money to Muggle money?

What Do the Gringotts Goblins Do With Muggle Money?


how to get the full path of an ios application?


Samsung chromebook and the new Wacom intuos pen and touch tablet

Wacom Graphics Tablet CTH-480 / CTL-480 Not Detected In Ubuntu 13.10


Trigonometry Minimum value using A.M. and G.M.

To prove $(\sin\theta + \csc\theta)^2 + (\cos\theta +\sec\theta)^2 \ge 9$


Do the Q have rules comparable to Starfleet's Prime Directive?


Pagenumbering on every "first chapter" page

header and footer of the first page of every chapter


How do I perform the riffle function backward?

Pretty way to group elements at odd and even positions


My processor is 64-bit - does that mean I need the amd64 image?


New Question: Proving Divergence of a Sequence


A click on the banner should go to Area51 *inside* the app, not from the default browser


Tasksel removed everything in my Ubuntu - how can I recover it?

Every app in my Xubuntu 18.04 deleted by Tasksel. Please Help


What's the difference between e.preventDefault(); and return false?


Compute the output of the quantum teleportation circuit


Is there a way to install programs to one folder for general use by multiple installed distros?

How to choose where the software is stored when installing via Ubuntu Software Center


Prove or Disprove: There are infinitely many integers $n$ such that the three integers $n$, $n+2$, $n+4$ are all prime.

How can I prove that one of $n$, $n+2$, and $n+4$ must be divisible by three, for any $n\in\mathbb{N}$


How can I install software or packages without Internet (offline)?


Can a .NET windows application be compressed into a single .exe?


TeamViewer install borked, can't seem to fix

How do I restore the default repositories?


Bibliography does not sort correctly according to nyt

Order by first author only (not all names) than by year or Sort by a partial entry in biblatex


What is the purpose of invitations on Stack Overflow Careers?

What are the benefits of Stack Overflow Careers invitations and why are only a limited number issued?


Hibernate @Version annotation and object references an unsaved transient instance


Intermediate extension of degree n of the algebraic closure of Q

Let $E = \mathbb{Q}\big(\left\{\sqrt[n]{2} \mid n \in \mathbb{N} \setminus \left\{0\right\} \right\} \big)$. Prove $[E: \mathbb{Q}]$ is not finite


Large Nodes in Tikz Tree Leads to Overlap


How to apply for a UK standard visitor visa as a family?


Does "notified by [date]" include the end date?


Suppress output of Python operators (bpy.ops.*)


Efficiently finding all sums of squares that sum to a given number.

The number of ways of writing an integer as a sum of two squares


Should I edit my self-deleted answer or create a new one?

Should I edit my deleted answer or add another answer?


Is Star Wars prequel trilogy inspired by Augustus and Roman politics of his time?

Has Star Wars borrowed from Ancient Rome?


Help with volume of solids of revolution

Volume of the solid generated by revolving the region R enclosed by the curve - Disk and Shell method


Field of Fractions over Formal Power Series

If $a_0\in R$ is a unit, then  $\sum_{k=0}^{\infty}a_k x^k$ is a unit in $R[[x]]$


Taxonomy of statistical methods and bayesian techniques


JavaScript date compare fails but prints same value


How to create an object from an unmanaged dll?


How to solve the error : "Sorry, installation of this driver failed. Please have a look at the log file for details: /var/log/jockey.log"


Meaning of parallel axis theorem: why is the moment of inertia minimum if the axis passes through the CM?


Proving $(A \times C) \cup (B \times D) \subset (A \cup B) \times (C \cup D)$

Proving $(A\times C)\cup(B\times D)\subseteq(A\cup B)\times(C\cup D)$


Why am I getting "error: type name is not allowed" with these spaghetti templates?

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


Why CASE statement doesn't work without nesting?

Dynamic Sorting within SQL Stored Procedures


Prefix try keyword with two underscore in c++


How to indicate that a unit is dimensionless


Searching for questions that have ONLY a given tag (i.e. add a range operator for tags)


Prove $\chi(G)\chi(\bar{G}) \geq n$ for chromatic number of graph and its complement


Suppose $f_n\rightarrow f$ pointwise. Show that if each $f_n$ is continuous then $f$ is also continuous.

Sequence of continuous functions whose pointwise limit is discontinuous


How would you prove that A \ (A \ B) = A ∩ B is true for all sets A and B?

Prove that $A \smallsetminus (A \smallsetminus B) = A \cap B$


I need to retrieve from this array point where the X is the biggest number

How can I get LINQ to return the index of the object which has the max value in a collection?


php single function with multiple names / aliases


Why isn't my static ArrayList correctly random for each object instance?

What does the 'static' keyword do in a class?


How to make this email validation regex from regular-expressions.info work in javascript?

How to validate an email address using a regular expression?


How do I find the distribution of sum of Two Dependant Random Variables?

What am I doing wrong? Joint Density of sum of random variables!


Making "java -jar OSBuddy.jar" an icon I can execute on my desktop?

How do I create a .desktop file for a .jar file?


1970s or 1980s movie about where a guy uses telekinesis to stop a train

Looking for the title of a gold heist movie involving the telekinetic son of an extraterrestrial/alien?


Finding a derivative using the Fundamental Theorem of Calculus

Question regarding fundemental theorem of calculus


detecting errors in mysqli prepared statement

mysqli_fetch_assoc() expects parameter / Call to a member function bind_param() errors. How to get the actual mysql error and fix it?


Why does SO's community feel a lot harsher than any of the other communities?


How is multiplication faster than addition

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


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


Simple Issue with my variable return in java from method

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


How can i get these eigen values of this hard to handle matrix?

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


##UserId## parameter is no longer automatically filled on Data Explorer

Why is the ##UserID## parameter not populated in Data Explorer anymore?


Finding lim as $n \to \infty$ for $\sum_{r=0}^n \frac{2^r}{5^{2^r}+1}$


Why is $\left(e^{2\pi i}\right)^i \neq e^{-2 \pi}$?


Shutdown button only logs out ubuntu 15.04


Travelling without previous visa in Asia

What (if any) countries are either open to or have set definitive plans to allow international tourism?


AMD 64 OS installation in Intel processer

Is the 64-Bit version of Ubuntu only compatible with AMD CPUs?


Delete files and directories by their names. No such file or directory


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


Find a closed form for the power series $f_p(x)=\sum\limits_{n=0}^\infty\frac{n^p}{n!}x^n$


What is launchpad in apt-get error messages?

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


Find features that use specific domain in ArcCatalog?

Listing feature classes with active domains?


What is the electric field inside this shell?

Is Gauss's law wrong, or is it possible that $\int_s{\vec E} \cdot d\vec{s}=0$ does not imply $\vec E = 0$?


What is the purpose of return statement with (**)

What does ** (double star/asterisk) and * (star/asterisk) do for parameters?


Why does LaTeX throw an error when I write _ in text mode


I lost all my calendar events after updating to iOS 7

Calendar problems with iOS 7 right after updating the device


Why were Wolverine’s metal blades shaped differently than his bone claws?


Why the shell does not terminate when pressing Ctrl+C on the terminal?


Doctrine2 ORM does not save changes to a DateTime field


Is it possible to access the user ID of all types of votes in the stackexchange data dumps ?


Help with updating to from 13.10 to 14.04

How do I resolve unmet dependencies after adding a PPA?


Drag&Drop not working on first program start only

drag drop no longer working once application gets installed


How to return a string made of the first 2 chars with given conditions


Cartoon show. A boy discovers a tablet in a library. Monsters emerge and fight

Cartoon TV Show About Three Kids and Monsters and a "veil" between realms


Avoid waiting for other process to complete in ajax


What does it mean to start a PHP function with an ampersand?


Why do I get a segmentation fault when writing to a "char *s" initialized with a string literal, but not "char s[]"?


What is the lastest stable kernel and how to install it?

How do I update kernel to the latest mainline version?


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


Given a group $H\unlhd G$, is it natural/accurate to say that $G \cong H \oplus (G / H)?$


How to show that $\mathbb{N}$ is a Baire space

Is the space $\mathbb{N}$ is a baire spaces ? yes/No


Entity Framework with My SQL inside asp.net mvc


Why is Ext$(-;k) =0$ when $k$ is a field


How to clean an anti-glare or matte display?

What is the best way to clean an LCD monitor?


EJB3 Injection failed on JBoss AS 5.1 Error: ClassLoaders of value and target are not equal


python is operator is working unexpectedly

"is" operator behaves unexpectedly with integers


How to make an imported module blit onto a surface from the main script?


How do I get past a 3-year ban from overstay with VWP?

Overstayed in the US by 4 months and was later refused a B2 visa. How do I increase the chances of succeeding on my next try?


Can I use a USB stick for a normal install? (to get platform adaptability)


Is there any way to check/verify if a ppa repository is safe, or has been flagged by someone for some reason somewhere on the internet?

Are PPAs safe to add to my system and what are some "red flags" to watch out for?


Jquery Smooth Scroll To DIV - Using ID value from Link


"Install alongside" option missing. How do I install Ubuntu beside Windows using "Something Else"?


What will be the best mysql settings for 3gb server?

Can you help me with my capacity planning?


Inconsistent offensive/spam flag format on flagging summary page

Timestamps for spam and offensive flags not shown


:last-child does not select the last element

CSS last-child selector: select last-element of specific class, not last child inside of parent?


How to tell if a quartic equation has a multiple root.


Does Troi have a typically Betazoid accent?


How do I get the number of the most recent changeset found in my working directory?


Upgraded to Ubuntu 14.04 LTS, can't use Internet anymore, what do?

How do I fix DNS resolving which doesn't work after upgrading to Ubuntu 13.10 (Saucy)


Check if an object in an array of objects is null in java

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


How to create symbols from strings and set values for them?


Extracting paragraphs from a gobble of html

Extracting text from HTML file using Python


Robot is prize for winning arcade game, then tries to kill everyone?

'90s kids movie about a game robot attacking people


Strange behavior when adding values to pointers


The largest value of $n$ such that $n+10| n^3+100$

What is the largest positive $n$ for which $n^3+100$ is divisible by $n+10$


"... to apply for a visa" or "... and applied for a visa"?


Design Nuances: Can they add value to any design, or are they simply a personal taste decision?

Do interfaces really need to "look good"?


"Why can't I see?" or "Why I can't see?"?


Need Regex to validate 11-digit phone number without plus sign

How to validate phone numbers using regex


Does "Wallch" work with Ubuntu 18.04? Or another app?

How do I create a desktop wallpaper slideshow?


Web Service SAP with Android: XmlPullParserException

XmlPullParserException when using SAP WSDL WebService


How do I completely get rid of the dock from GNOME Shell?

How can I hide dock in application menu from GNOME Shell?


Why does Linux need to have both `/dev/cdrom` and `/media/cdrom`?


In functional programming what is "currying"?


Is there a truly stationary frame of reference? (part deux)


Why do objects move when you apply a force that's equal in magnitude to the friction?

Given Newton's third law, why are things capable of moving?


How Can I Convert SQL Server 2012 Version 11.0.3000.0 to SQL Server 2012 Version 11.1.3000.0?


Xcode - How to fix 'NSUnknownKeyException', reason: … this class is not key value coding-compliant for the key X" error?


Ubuntu can be used as Hard Real time OS?


Can a warlock choose an upcast spell as a Mystic Arcanum?

Can a warlock choose a lower-level spell upcast at a higher level for their Mystic Arcanum class feature?


What is the explanation of these rounding or precision differences in the results of a formula with parentheses?


How do I implement GetHashCode method properly?

What is the best algorithm for overriding GetHashCode?


$\Bbb{C} \otimes_{\Bbb{R}} \Bbb{C}$ and $\Bbb{C} \otimes_{\Bbb{C}} \Bbb{C}$ are not isomorphic as $\Bbb{R}$-vector spaces

Are $\mathbb{C} \otimes _\mathbb{R} \mathbb{C}$ and $\mathbb{C} \otimes _\mathbb{C} \mathbb{C}$ isomorphic as $\mathbb{R}$-vector spaces?


'java.util.List com.dropbox.client2.DropboxAPI$Entry.contents' on a null object reference

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


Xelatex has problem in generating pstricks tex file with colors


Not being able to access previous Developer Edition Account after creating and logging in to the new pre-release edition

Can we specify DX runtime versions by project?


Error when trying to install g++ in Ubuntu shell in Windows 10

Unable to correct problems, you have held broken packages


Battlelog shows I am not Premium even though I've purchased Premium Edition

Battlefield 3 Premium Edition doesnt say I'm premium on Battlelog?


After upgrading to Ubuntu 20.04, top bars of apps are showing boxes with numbers in them instead of titles

Only squares instead of letters and numbers are displayed in my calculator and other apps in Ubuntu 18.04


When does a static variable is really initialized


Different surnames on passports of dual citizen

2 different passports with different surnames


How do I transfer reputation points from one Stack Exchange site to another?

Take into account all of the reputations from all stackexchange sites


Can I combine different races as a single army?

Can a Space Marine army consist of units from different chapters?


Is there a easy way to test ubuntu on new notebooks before buying it?


NullPointerException, when reading HTML input

How to transfer data from JSP to servlet when submitting HTML form


IEEEtran class: how to achieve "small caps" font effect?

All letters in uppercase, but the first letter bigger than the other ones


Polynomial in $\mathbb{Z}[x]$ which is irreducible but not prime.


Convert downloaded YouTube videos (downloaded with youtube-dl) to audio-only, with no loss?

Search and download audio-only from youtube


AMP Script Marketng Cloud EncryptSymmetric


Can I enter the UK as a UK citizen and resident on an Australian passport?

UK citizen Entering the UK on a one way ticket and US passport


How to change Date/Time format to English?


I have a super old windows computer and a mac how to put linux on the windows pc?


Rotating image / marker image on Google map V3


How can I use JavaScript on the client side to detect if the page was encrypted?


Where do I find AMD radeon drivers for Ubuntu 20.04

Ubuntu 14.04.5/16.04 and newer on AMD graphics


Windows Update Still Hangs at Checking For Updates in Win 7

Windows 7 SP1 Windows Update stuck checking for updates


Is there an explanation for why Yoda's grammar slips in Empire Strikes Back?


How do I generate random integers within a specific range in Java?


The sidebar recent blog link goes to the mobile site


Why does a script without she-bang can be run?

Which shell interpreter runs a script with no shebang?


Determine if a binary tree rooted at a node is a max-heap

How to test multiple variables against a single value?


c# Serialize a class that has a list of elements of the same type as the class

Clean XML serializing a hierarchical, recursive data structure


How to test @future methods with setup objects and avoid MIXED_DML_OPERATION


Why doesn't Stack Overflow use a best answer chosen by votes?

Shouldn't the answer with more votes be above the accepted answer?


Is liquid cooling necessary for high CPU performance over extended periods?


How to enable projection transformation in QGIS


Proving for two naturally isomorphic functors, if one is full, then so is the other.

What properties do natural isomorphisms between functors preserve?


What technical terms or rules of thumb do I need to understand for a black and white conversion of a photo?

What should I focus on when converting photos to black and white?


How to render mesh's wire WITHOUT modifier?


Sum of reciprocals of primes factorial: $\sum_{p\;\text{prime}}\frac{1}{p!}$


How do American English and British English use the definite article differently?


In Ubuntu 13.04, cannot install libssl-dev

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


Attempt to invoke virtual method results in a null pointer exception

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


When do we calculate the population parameter instead of sample statistics?

What is the difference between a population and a sample?


paired t-test, 2 samples of different sizes

t-test for partially paired and partially unpaired data


ethernet connection makes the WiFi disable

I need to make Windows 7 STOP disabling the wifi adapter when the wired LAN is connected


List of lists changes reflected across sublists unexpectedly


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


How to evaluate the following definite integral $\int_0^1\frac{\arctan(ax)}{x\sqrt{1-x^2}}dx$?


how to sort an ArrayList in ascending order using Collections and Comparator


Installing ubuntu on lenovo desktop alongside windows 10

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


Please name this 70's/80's (foreign) dystopian totalitarian sci-fi movie

Help identifying movie from Russia or similar


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


NULL Pointer when Activity starts without intent. 'int java.lang.String.hashCode()' on a null object reference


How can I output a counter or/and progress bar in the UI?

How to show to the user a progression in a script?


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


HP 15DW and Ubintu 18.04.03 - WiFI Adapter not found after reboot

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


Java How to check if linked list has duplicate entries

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


Can I remove the category labels (social, promotions etc) from Gmail entirely?

Make Social/Promotions/Updates/Forums categorization Go Away in Gmail


Why does the harmonic series diverge but the p-harmonic series converge


User can answer to a question marked as duplicate

How was this answer posted after this question was closed?


Why some titles like "Astronomer Royal" are styled that way?

Why "inspector general", and not "general inspector", like German "Generalinspektor"?


Ubuntu 18.04 dock default and custom favorites behaving differently

Duplicate application icons in Ubuntu dock upon launch


What kind of components are black blobs on a PCB?


When does the equality $\mathrm{ht}\:\mathfrak{p}+\mathrm{coht}\:\mathfrak{p}=\dim R$ happen?

Is $\operatorname{height} \mathfrak{p} + \dim A / \mathfrak{p} = \dim A$ true?


Time dilation in outer space vs in a gravitational field?


Physics Simulation. How to set current frame to first frame?

Is there a way to set initial state with rigid bodies?


How can I install latest version of Cinnamon in Ubuntu?

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


ASCii to BInary Conversion Program in java

Convert A String (like testing123) To Binary In Java


Does the temperature of a body depend on the frame of reference?

Is temperature a Lorentz invariant in relativity?


How to edit GRUB Default Operating System?

How do I set the grub timeout and the grub default boot entry?


Warning - Build path specifies execution environment J2SE-1.4


How to cut the output of my python program?


'ping' is not recognized as an internal or external command operable program or batch file error

Why is "ipconfig" not recognized as an internal or external command?


Installing Ubuntu in Google Nexus 7 Tablet

Is it possible to run Ubuntu on a Nexus 7?


Why is $\lim \limits_{h \to 0} \frac{e^{h} - 1}{h} = 1$?

Using the Limit definition to find the derivative of $e^x$


How can I disable Lenovo Y700 shortcuts?

Re-enabling backspace as "go back" in recent Chrome


WARNING: Setting property 'source' to 'org.eclipse.jst.jee.server:appname' did not find a matching property

Setting property 'source' to 'org.eclipse.jst.jee.server:JSFTut' did not find a matching property


how to get c, c++, and java compilers in linux ubuntu?


When were the 'and' and 'or' alternative tokens introduced in C++?


Mean value theorem for twice differentiable function

How does one prove the Taylor's Theorem by the Cauchy's Mean Value Theorem?


Is code posted on stack overflow open source?

What is up with the source code license on Stack Overflow?


How to determine the point of intersection of two lines?


If $[G:H]$ and $[G:K]$ are relatively prime, then $G=HK$


Stop DialogResult window from changing my mouse back to default


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


Identifying a dystopian short story of a totalitarian state about a man of high intelligence subject to bursts of painful static

Looking for the title of a futuristic book about enforced equality


Why does the city of Minas Morgul glow green?


How to deal with an accepted answer that is not answering the question?


Leverage browser caching for Facebook, Google+, or other 3rd party resource files


How does Wolverine survive even his bones are adamantium?

Why Doesn't the Adamantium Bone Covering Kill Wolverine?


Sorting numbers in string format with Python

Sorting a list of dot-separated numbers, like software versions


In what order do creatures return from the graveyard with "March from the Tomb"?

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


What is the ideal $\sum_{i \in I} \mathfrak{a}_i$?


Why does Type variable; does not call the default ctor?

Is there an implicit default constructor in C++?


Excel Error as "You've entered too few arguements"


Can creatures with summoning sickness be tapped for convoke?

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


How do I set up SFTP file access logging for OpenSSH?


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


How to write an email to request a dataset to a professor

How should I phrase an important question that I need to ask a professor?


Putting char into a java string for every 4 characters

Putting char into a java string for each N characters


Getting weird stuff in render & Solid view regardless of material

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


Remove class/style/junk from within specified html tags


File list command line (hidden and subfolders)


How do I save progress on local Flash games?

Why are my flash game saves getting erased?


How to Prevent SPAM without CAPTCHAs or a Centrally managed system (e.g. akismet)


Determine height and width of front page in latex


How do I get attention for one of my own questions without a good answer?


How to reconfigure keyboard (W and P not functioning correctly)

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


"Start a bounty" link easily overlooked below comments

Can we move "Start a bounty" to a more intuitive location?


Why does in-text citation counter reset when bibliography fills its first page?

Ignore citations in captions in list of figures when numbering


Is $2^{\alpha} < 2^{\beta}$, where $\alpha$ and $\beta$ are cardinal numbers, such that $\alpha < \beta$?

Why continuum function isn't strictly increasing?


Traveling to Spain as tourist before entering France on type D visa

How to switch from Tourist visa to Resident visa status in the Schengen area?


How do you actually manipulate raw meat safely?

How do you minimise hand washing between every step to keep tools clean?


How could we round a decimal up if it ends in 0.99?

How to round a number to n decimal places in Java


i want to know what app an icon belongs too... how can I find out

How can I deduce/identify an app from a notification icon?


the exponent of the highest power of p dividing n!

Highest power of a prime $p$ dividing $N!$


What is the differences between InstallUtils versions

.net InstallUtil utility - 32 bit vs 64 bit


I am getting the error Operand should contain 1 column(s)

Operand Should Contain 1 Column - MySQL NOT IN


Why am I not logged in to all of my communities when I log into StackExchange?

Login required moving to Super User on iPad


Find user location using jQuery/JS (without google geolocation api)?


Not getting anti-aliasing with BarChart3D

How to draw Graphics3D items with straight border lines?


Can I use Windows Server 2019 Essentials as a Stand Alone WebServer?

Can you help me with my software licensing issue?


How to get Steam to recognize existing game files from a different source?


Use of Present simple tense (You stroll in...)

How do the tenses and aspects in English correspond temporally to one another?


Find the volume of rotation about the y-axis for the region bounded by $y=5x-x^2$, and $x^2-5x+8$


Screen size problem with Ubuntu 14.04 x86_64 in virtualbox


Comment font size is smaller than others

Comment font sizes are inconsistent on Android


How to understand the analysis and execution principle of JavaScript

What is the scope of variables in JavaScript?


Resolution Settings when Rendering Animation


Programming Puzzles & Code Golf does not fit in Stack Exchange


Friendly agreement for the betterment of user involvement in interest intersecting sites (for AI related sites)

Would a "Related network questions" list be possible and worthwhile?


Symbolizing layer with graduated colors by date/time field?


What is the point of left-shifting by zero?

What's the purpose to bit-shift int value by zero?


has vs have on a singular noun that represents a plural idea

Does a percentage quantity take singular or plural verb agreement?


How to detect ASCII characters on a string in python

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


Prove that there are infinite number of intermediate fields

Infinite number of intermediate fields between K(u,v) and K


Why pp. disappear in the Ref. when I add letters in the pages = "--"?


Is there a way to disable or hide output thrown by FFmpeg?

How can I make ffmpeg be quieter/less verbose?


What are Kernel Version number components (w.x.yy-zzz) called?

What does the fourth number in the release version mean?


Does variable=$(...) store the command or the result of the command in POSIX sh


Can't reasonably complete a low quality question review

Review of "Low Quality Posts" when out of close votes


What is the purpose of having a private variable when creating a public property?

Why should I use a private variable in a property accessor?


How to avoid .NET DLL files from being disassembled?

How can I protect my .NET assemblies from decompilation?


Ubuntu 16.04 slow boot (apt-daily.service)


How to read a line from the console in C?


Errors with template function within a class (C++)

Why can templates only be implemented in the header file?


One line thank-you emails to lecturers/professors - yes or no?

Is generic "thank you" email a waste of time in academia?


How do I privately tell the mods that I think a user is using a bot-net to gain points?

What do I do if I believe a user to be operating a sock puppet account?


What's the difference between gnueabi and eabi?

Difference between arm-eabi arm-gnueabi and gnueabi-hf compilers


How to elect a master node among the nodes running in a cluster?


How can I find out why a package was installed?


How do I fix "Failed to sync vcpu reg" error?


How to evaluate $\lim_{n\to\infty} \dfrac{1^p+2^p+...+n^p}{n^p}-\frac{n}{p+1}$?

Evaluating $\lim\limits_{n\to\infty} \left(\frac{1^p+2^p+3^p + \cdots + n^p}{n^p} - \frac{n}{p+1}\right)$


ArcPy-generated string formats badly in map text element

Inserting newlines in Rectangle Text elements via ArcPy causes overlap?


Is there a known necessary and sufficient criterion for a Gaussian Integer $a+ib$ to be prime in $\mathbb{Z}[i]$?

Irreducible element iff prime norm in Gaussian integers?


Iterating through collection. What are the differences?

Is there a performance difference between a for loop and a for-each loop?


How did Stack Overflow come to know about dummy upvotes?

How can you detect if users have created sock puppet accounts?


Canceled SSHFS (fuse) mount - cannot remove directory


`std::wcout << L"\u25a0" << std::endl;` outputs nothing, and anything <<'d to wcout thereafter also outputs nothing

Why are certain Unicode characters causing std::wcout to fail in a console app?


inner function accessing outer function's variable

Can you explain closures (as they relate to Python)?


How to detect programmatically if my python application was launched inside of Virtualbox

Detect virtualized OS from an application?


Regex - find various strings from an HTML file

Using regular expressions to parse HTML: why not?


CSS pseudo-selector to select the current element within querySelector usable for the sibling (+) or general sibling (~) selector?

Get next / previous element using JavaScript?


Does a charged particle accelerating in a gravitational field radiate?


Is there any way to publish game for android

Does the Blender Game Engine support mobile platforms?


Dual booting ubuntu and windows, window won't load even after updating with

Unable to boot into Windows after installing Ubuntu, how to fix?


addEventListener with arguments into a function

JavaScript closure inside loops – simple practical example


The ideal $(x_1,x_2,x_3,.........)$ (with infinitely many variables) in the ring $K[x_1,x_2,x_3,....]$ is not finitely generated.

An ideal which is not finitely generated


c# overriding operator in MyString class returns the same object


Collapsible List Item in navigation Drawer


How to ask a person how long he has been working in an office?


grep or find a pattern in all directories

Recursive grep vs find / -type f -exec grep {} \; Which is more efficient/faster?


How many homomorphisms from this quotient ring to Z7?

Counting ring homomorphisms from $\mathbb{Z}[x,y]/(x^3+y^2-1)$ to $\mathbb{Z_7}$


What methods can I use to create balance and consistency between a group of differing logos?


In which Stack Exchange site can one ask questions about ITIL?


Execute scripts for all files in a folder


C++ Using template with struct in .h file , get unknow error

Why can templates only be implemented in the header file?


When mysqli_real_escape_string is not working so What are the other solutions without this?


Let G be non abelian and |G| = $p^3$ , where p is a prime. Prove that Z(G) = G′ . What is the order of Z(G)?

Let $p$ be a prime number and $G$ a non abelian group or order $p^3$. Prove that $Z(G) = [G,G]$.


How to prove $1+\cos2\theta+\cos4\theta+\cos6\theta+\cos8\theta=\frac{(\cos4\theta)(\sin5\theta)}{\sin\theta} $?

Proving complex series $1 + \cos\theta + \cos2\theta +... + \cos n\theta $


Is there a Python2 module that has more accurate Windows OS information than the sys module?

How can I find the current OS in Python?


Reference — What does this symbol mean in PHP?


If lspci command shows nothing, how to check GPU is cuda-capable or not?


Deciding which server best for geospatial data servicing?

Comparing different open source GIS servers?


What's the result of transferring your Pokemon to the professor?

What happens when I transfer a Pokémon to the Professor?


Detecting IE11 using CSS Capability/Feature Detection


How reference assignement works in a loop? in Java

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


Why is a variable available outside it's code block?

Why the for loop counter doesn't get destroyed after exiting the loop in javascript?


How do two waves after approaching and neutralising each other give birth to two waves the very next moment?

Why does destructive interference not stop a wave?


Trying to identify science fiction story: world dedicated to learning spacecraft maintenance

Abandoned colony of military engineer corps


How to override ToString() on enum in C#?

Enum ToString with user friendly strings


Can I used VB App_Code classes in my C# App_Code classes in asp.net web forms?

Web site with multiple languages can't use VB.NET classes in C# code


Is it legal to dribble the ball above your shoulder?

Is it legal to dribble above shoulder height?


populate dates in dropdown using javascript

What is the best way to determine the number of days in a month with JavaScript?


What sorts of order in hot questions tab?

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


What happens when entering the US on an international flight?

I secured a visa for the US. What happens once I arrive at a US port-of-entry seeking admission into the country?


Pattern and Matcher in Java: Matcher only finds one match instead of two


"No such file or directory" on files that exist?

Getting "Not found" message when running a 32-bit binary on a 64-bit system


Using setenv in Apache (Windows) DocumentRoot


Google is not returning my site until I search for my whole URL

Why doesn't searching for the unique name of my website bring the site up in a top position on Google?


What is the scope of variables in JavaScript?


Beginner questions attracting bad answers?

Stack Overflow technology makes me write bad answers


Calculation of the avalanche effect coefficient


Escape a string for a sed replace pattern


Cartoon action series with suits that shoot grappling hooks to create ziplines across canyons


E is closed. K is compact. Show that every open cover of $E\cap K$ has a finite subcover

Suppose $E\subseteq\mathbb{R}$ is closed and $K\subseteq\mathbb{R}$ is compact. Show that every open cover of $E\cap K$ has a finite subcover


How to remove application from recent application list?


java.lang.NullPointerException: Attempt to invoke virtual method ....... on a null object reference

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


Should I consider all fields while calculating overriding hashcode() and equals()?

What issues should be considered when overriding equals and hashCode in Java?


Solving an Ito Diffusion and finding the Expectation/Variance


Cannot Edit Python Script from ArcMap/ArcCatalog with IDLE?

Cannot Edit Python Script tool using its context menu from ArcMap/ArcCatalog?


Numerical calculation Mathematica 11.2 / 11.3 / 12

New General::munfl error and loss of precision


How to get unique xpath with dynamic @id?

How to handle dynamic changing ID's In XPath?


How to perform .Max() on a property of all objects in a collection and return the object with maximum value

How to use LINQ to select object with minimum or maximum property value


Scanner issue when using nextLine after nextXXX


Proving that the counting measure is a measure on $\mathcal A$


create a desktop shortcut icon for studio.sh

How to add Android Studio to the launcher?


Evaluate $\lim _{n\to \infty }\int _{0}^{1}nx^ne^{x^2}dx$

Find $\lim_{n\to \infty} \int_0^1 nx^n e^{x^2} dx$


What does gold badge icon near user marked question as duplicate mean

Increase close vote weight for gold tag badge holders


How can I use break and continue in Django templates?


what is the maximom order of an element is $\mathbb S_{15}$

The Maximum possible order for an element $S_n$


How to recover after i execute :git reset --hard HEAD


Is there a difference between "==" and "is"?


Normalizer of Upper Triangular Matrices with diagonal entries 1 in $GL_n(\mathbb{F}_p)$

Normalizer of Unipotent subgroup in General Linear group


java.lang.NullPointerException error when method is called from a custom class

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


Batman breaking his own rule against killing

In comics does Batman have a rule against killing?


Trouble finding a decimal value in a list of decimal values using arange


Existence of Polynomial with whom product contains only prime powers


Pipe output to a command while still writing to stdout


How can I scale an overlay within an ffmpeg filtercomplex?

Scale watermark overlay by video size with ffmpeg


Error message "sudo: unable to resolve host (none)"


Partitions that have at most k parts and all parts <= j

Counting integer partitions of n into exactly k distinct parts size at most M


TV show pilot with red-haired, cat-eyed alien girl

TV show that starts with debris encompassing Earth


Schwarzschild metric of a moving observer

Gravitational potential of an approaching mass


How to share a JavaScript project without revealing the actual code?

How can I obfuscate (protect) JavaScript?


Terms of use for procedural generation/simulation?

Can I use images rendered with blender for commercial use?


How can I see deleted comments on my question?


In Python, what happens when you import inside of a function?

Should import statements always be at the top of a module?


Is it possible to run multithreaded application on a single core of multicore computer?


Improve Code Sample button when nothing is highlighted

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


How to dynamically generate file names with sequential numbers in C++

Print leading zeros with C++ output operator?


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


use google maps to map as a base map in arcgis 10.1

Where is Google Maps extension for ArcGIS?


How to manipulate a string to lower case and store in same variable

How to convert an instance of std::string to lower case


What is the difference between image size and image quality?


Anscombe-like datasets with the same box and whiskers plot (mean/std/median/MAD/min/max)

Datasets constructed for a purpose similar to that of Anscombe's quartet


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


Determine original size of image cross browser?


Show that $n$ does not divide $2^n - 1$ where $n$ is an integer greater than $1$?

For $n \geq 2$, show that $n \nmid 2^{n}-1$


How to benchmark maxCache 3.0 with SSDs?

Can you help me with my capacity planning?


What does the term "up to isomorphism" mean in this context?

What does it mean for something to hold "up to isomorphism"?


i want to get difference of days by subtracting dates in java using Gregorian calendar:


is it possible to open and edit a file inside of a zip file using php?

Creating and extracting files from zip archives


Are there rules about using "that" to join two clauses?


How to increase the image resolution of a map?


Do declined comment flags count towards the ban?


Reviewing low quality posts: when to delete


Avoiding if statement inside a for loop?


Network Analyst resolved route can't display properly on printed map

Cartographic techniques for symbolizing routing data


Should I compare CPUs based purely on advertised speed?


I would like to match all the text between and including the td and /td tags

RegEx match open tags except XHTML self-contained tags


Did Worf resume his role as tactical officer in Star Trek: Nemesis?


What documents to show if I'm a US citizen with no US passport to re-enter the US?


Proving $\sum_{k=1}^{n} k \binom{n}{k} = n \cdot 2^{n-1}$ by double counting

Combinatorial proofs: having a difficult time understanding how to write them out


How to line-break from css, without using ?


Provide a $2$-tensor which is not decomposable on $\mathbb R^4$


Why did Hattori Hanzo hate Bill so much?


Interpreting t-test results : Need a sanity check regarding t-statistic sign

Claim the superiority of a treatment in the context of a significant difference with a two-sided test


How to install tplink driver without internet?

How can I install software or packages without Internet (offline)?


What is this green dot near the light in this photo and what's causing it?

is it normal to get significant lens flare with a 50mm f/1.8 prime lens?


dpkg error: "trying to overwrite file, which is also in..."


Why 64 bit application cannot be installed in 32 bit OS?


Attempt to invoke virtual method 'void android.widget.TextView.setText(java.lang.CharSequence)' on a null object reference In json

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


-6 more votes are needed to delete this post

"-4 more vote(s) needed to delete this question"


TikZ external Library and pgfplots reading data from external txt file


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


Shell script directory change with variable

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


Active Directory member servers in the DMZ


How to detect user's REAL regional setting (locale) in Java


Dropping main effect while retaining interaction effect

Including the interaction but not the main effects in a model


Trying to get gparted on ubuntu 14.04 lts

How do I resolve unmet dependencies after adding a PPA?


Bibliography in LaTeX: Spaces between words


Why does this camera generated JPEG look better than the software generated one?

Why do RAW images look worse than JPEGs in editing programs?


How can I get the context of a class (non-activity) in Android?

Using getResources() in non-activity class


How to use a single count for tables and figures?


Why is jQuery transforming the URL of my AJAX call?

Why does jQuery.ajax() add a parameter to the url?


Averaging MODIS 8-day LST for each pixel in a region to generate annual mean LST


Why is Professor Snape so against Harry Potter when he is supposedly protecting him?

Why did Severus Snape present himself as evil to Harry?


I want to remove duplicate values from an array a and get the new arrary b as answer. But array b is containing all the values of array a

How to remove duplicate values from an array in PHP


Where to force Catalina upgrade and not Big sur upgrade from Mojave?

How can I download an older version of OS X/macOS?


Looping a merge for a amount of csv files using pandas


how to process binary strings in chunks from memory?

Lazy Method for Reading Big File in Python?


what's an elegant way to show that $x(1-x) \leq \frac14$?

Inequality Proof in Real Numbers: If $p+q=1$ then $pq\le\frac14$


how to place circle in a far location from centre


Can I use lens brand X on interchangeable lens camera brand Y?


Effects of a constant magnetic field on the human body (especially blood circulation and ion channels)?

Would exposure to a strong magnetic field have deleterious effect on the human?


minimal sufficient statistic of Cauchy distribution

Minimal sufficient statistics for Cauchy distribution


How do I open/configure/run Deja Dup as root in Ubuntu 17.10?

Why don't gksu/gksudo or launching a graphical application with sudo work with Wayland?


Unable to install Win font on Ubuntu. couldn't be accessed by user '_apt'

"Failure to download extra data files" after installing ttf-mscorefonts-installer


Let $f \in O(D)$ for some domain $D$. Prove that if $|f(z)|$ is a constant, then $f(z) =$ const on $D$.

If the absolute value of an analytic function $f$ is a constant, must $f$ be a constant?


tmux: ncurses apps are displayed wrong (with garbage and so on)

Fixing scrolling in nano running in tmux in mate-terminal


How to get a table in the Correct Place with LaTeX

Keeping tables/figures close to where they are mentioned


Java - Mistakenly removed /System/Library/Frameworks/JavaVM.framework/Versions

How can I get back a system file after deleting it from my Mac?


How to find position of non-zero elements in SparseArray without converting to a dense object


How many ways are there to distribute $7$ (identical) apples, $6$ oranges and $7$ pears among $3$ without restrictions?

ways are there to distribute $7$ (identical) apples, $6$ oranges and $7$ pears among $3$ different people with each person getting at least $1$ pear?


sum of the square of binomial coefficient


Side-by-side markdown title not so side-by-side

There's something funky about some titles in revision histories here on Meta Stack Exchange


Travelling from Europe to US while avoiding the Schengen zone ban

Is there a route that would allow travel to the US from the UK or Schengen area, given the US travel ban?


Bug in editing questions when reviewing a queue

Editing a post during review doesn't show an "edit not possible" message


Switched Windows to Mac, do I have to buy Steam games again to play on Mac?


Wìndows 10 full format without losing license

How to reinstall Windows 10 on new hard disk


mysqli Fails When Executing Multiple Queries

mysqli_fetch_assoc() expects parameter / Call to a member function bind_param() errors. How to get the actual mysql error and fix it?


mysql_fetch_array expects parameter 1 to be resource

mysql_fetch_array()/mysql_fetch_assoc()/mysql_fetch_row()/mysql_num_rows etc... expects parameter 1 to be resource


Duplicate Packages Error in Ubuntu 14.04

How to fix "W: Duplicate sources.list entry"?


Suppose $x_1 ≥ x_2 ≥ · · · ≥ 0$. Then $\sum_{n=1}^{\infty} x_{n}$ converges if and only if $\sum_{n=1}^{\infty} 2^{n}x_{2^n}$ converges.


Variance of expectation conditional on marginal distribution


NonLinearModelFit not generating a model without the use of "BestFit", not sure why

I get weird > symbols in my output — what does it mean?


Features used in quantum mechanics but not used in classical mechanics


HOW TO: ralink 148f:7601 wifi adaptor installation

Ralink MT7601U (148f:7601) Wi-Fi adapter installation


How to upload a Debian package to a repository when you have only the .deb file?

Is there an apt command to download a deb file from the repositories to the current directory?


C++ inheritance with templates in std::vector


Keeping a value class non-final for possible future extensibility

Good reasons to prohibit inheritance in Java?


JQuery .on(click) event handler not stopping submit when  element is clicked

Event binding on dynamically created elements?


Is there any difference between the free homotopy classes and homology classes of oriented loops in a closed oriented surface

Two homologous but not homotopic loops on a closed surface of genus greater than one


Jquery, changing background image with timer


Install Ubuntu alongside Windows in UEFI

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


Basel Problem approximation error bounded by $\mathcal O(1/x)$?

Show that $\sum^\infty_{n=m}\frac{1}{n^2} = O(\frac{1}{m})$


Sum of infinite series when the ration isn't a constant

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


How can i style a sentences first word with only css


Setting camera to position where it can render a seamless repetable orthographic scene


Why do I have two docks in Ubuntu desktop (with GNOME 3) after installing Dash to Dock?


jQuery min v1.10.1 error reading jquery-1.10.1.min.map not found

jQuery's jquery-1.10.2.min.map is triggering a 404 (Not Found)


A question on PWM frequency of a DC motor


Creating coordinates from beg and end points on a line

Getting First and Last Point coordinates of Polyline with Field Calculator in ArcGIS Desktop?


Array.sort() doesn't sort numbers correctly

How to sort an array of integers correctly


Krita outdated version in ubuntu-disco-universe

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


Review: Built-In Functions, CodeAcademy Python not accepting code

Why does `a == x or y or z` always evaluate to True?


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


What are some uses of template template parameters?


finding flights with flexible origination points

How can I do a "broad" search for flights?


Getting null pointer exception when getting values from setting preference

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


Create Image in Java using 16 bit pixel data


There exists a sequence of Riemann integrable functions on [0, 1] whose pointwise limit is not Riemann integrable

An example of a sequence of Riemann integrable functions $(f_n)$ that converges pointwise to a function $f$ that is not Riemann integrable.


How to get a set of values from a list so that the order of the set is such that the order in the list is still preserved in the set?

How do you remove duplicates from a list whilst preserving order?


Can't reference Format() SOQL field in VF page


Wine installation problem with ubuntu 17.10 64bit

Can't run "dpkg --add-architecture i386" on 12.04 64-bit to run eclipse ADT


Perl subroutines with exact signature / exact number of parameters

Why are Perl 5's function prototypes bad?


How do I exclude the vertical line plotted at a discontinuity?


How to search for a package with pacman?

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


"is" operator behaves unexpectedly with integers


Placing an identity directly beneath a symbol

How to write something vertically below another math symbol


Find the value of : $\lim_{x \to \infty} (x+2)-\sqrt{x^2+6x-1}$

Find the value of : $\lim_{x \to \infty} \sqrt{4x^2 + 4} - (2x + 2)$


Does connecting slower Powerline adaptor to 1gbit powerline slow the network down

Does a mixed Powerline AV 500 and 200 network slow down the 500 nodes?


Ubuntu 18.04's installation/boot freezes


Find $\lim_{n \to \infty}\left(1+\frac{1}{n^2}\right)\left(1+\frac{2}{n^2}\right)\cdots\left(1+\frac{n}{n^2}\right)$

How to calculate $\lim_{n\to\infty}(1+1/n^2)(1+2/n^2)\cdots(1+n/n^2)$?


Bypass Android UI error screen Speech Recognition

How can I use speech recognition without the annoying dialog in android phones


Area of a regular octagon with a side-length of 10 km

What is the area of a polygon with n equal length sides?


Is the "live" in "He only lived a few days after the accident" intrasitive or transitive?


How to find out the content of a XML file using Unix Sed/Awk?

Parsing XML, JSON, and newer data file formats in UNIX using command line utilities


Is $(\mathbb{Q}, +)$ elementarily equivalent with $(\mathbb{R}, +)$?

Are $(\Bbb R,+)$ and $(\Bbb Q, +)$ elementary equivalent?


Text not very readable on different image backgrounds


WCF - have client check for service availability

check the availability of the WCF Web Service


A Live Linux Distro which is as small as possible (no X, no networking, bash)

What is the smallest possible Linux implementation?


JavaScript algorithm to give every possible combination of items and store them in an array


Possessive form of Mrs. (with full-stop/period)

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


SVN accidently committed file with password


Is $\sum_{k=0}^n \left(k+1\right)\left(C^n_k\right)^2 = \frac{n+2}{2} C^{2n}_n$ for any positive integer $n$?


How can I make a relative object always be on the bottom of a div [HTML/CSS]

How to align content of a div to the bottom


Unable to understand $variable and how it works

Why would a JavaScript variable start with a dollar sign?


Can a negative ever mean the opposite outside of double negatives? "ex: I was not a little disturbed by the news"


how to update ubuntu os off usb (boot mode)

How do I upgrade to a newer version of Ubuntu?


How can I force my Eevee to evolve into the Pokemon I want?

I caught an Eevee, which of its evolutions will it evolve into?


Is there a way to find out what's exactly executing the Windows Script Host?

Want to delay startup of program but can't find it in Task Scheduler


What are the differences in dynamically setting a background-image or creating an img tag?

When to use IMG vs. CSS background-image?


Why is the Virtualbox not updated in Ubuntu 14.04?

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


Help needed in solving this problem of Fourier Transform

Evaluating the integral $\int_0^\infty \frac{\sin x} x \,\mathrm dx = \frac \pi 2$?


Ubuntu 14.04 - resolution stuck on 640x480 running in virtual box 4.3.10 ver on windows 7

How do I install Guest Additions in a VirtualBox VM?


If sample standard deviation is biased, why do we use it in typical mean tests?

Why does this excerpt say that unbiased estimation of standard deviation usually isn't relevant?


Difference between "within" and "inside"

What is the difference between “within” and “inside”?


What are some ways to parse date/time from user input?


Connecting ArcGIS for Desktop to Oracle without ArcGIS for Server?

Connecting to Oracle database with ArcGIS for Desktop?


Dollar signs breaks formatting of 'Hot Network Questions'

Exclude TeX.SE question titles from MathJax parsing in Hot Network Questions


Can you use { instead of [ in json for a list of Json Objects


How to integrate $\int_0^{\infty} \frac{dx}{1+x^3}$

Integrating $\int_0^{\infty} \frac{dx}{1+x^3}$ using residues.


Python - Iterate through a list and append n values every nth iteration to a vector

How do you split a list into evenly sized chunks?


Model selection method with k-fold cross validation

How to choose a predictive model after k-fold cross-validation?


What is the US Visa Waiver Program and what is an ESTA?


Getting Null Pointer Exception in list adapter in fragment in android

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


difference between (int)object and int.parse(object.ToString())

Is casting the same thing as converting?


Active USB VirtualBox XP on Ubuntu 14.04

Virtualbox not seeing any usb devices in the usb filters settings


Why can't I transform faces, edges, or vertices without transforming the whole object?


Two sample tests for stratified randomization


“There is to be no more loss today” sentence


Make specific author bold using biblatex without consistent author formatting


Is this the meta site for SO or for the whole SE family?

Stack Overflow is getting a Meta of its own


In Star Wars, did anyone travel outside the Galaxy?

Is the Star Wars Universe just one galaxy?


Install Broadcom wireless drivers on Ubuntu 18.10 "without internet"

Unable to use wifi card 16.04 MacOS dual boot


Find the limit of $2^n/x_n$ if $x_1=1$ and $ x_{n+1} = x_{n} + \sqrt{x_n^2 + 1}$ for every $n$

Convergence of sequence given by $x_1=1$ and $x_{n+1}=x_n+\sqrt{x_n^2+1}$


Visa requirements traveling in Transit via Heathrow

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


If you have more than one adjective to describe a noun, is there is a specific order you put them?

The order of adjectives: Is it exactly the same in GB, the USA, and elsewhere in the English-speaking world?


Custom visualforce login page to community

Is it possible to disable default login pages in community?


Automatically dial the default Internet connection at Windows startup

Dial PPPoE connection on Windows startup


Connecting from incoming international to domestic flight at LAX, where will I pass immigration?

Luggage, connecting flights and customs question for USA


Check if variable is a valid date with PHP


How do you convert a DataTable into a generic list?


Nikon d5500 troubleshooting blur unsharp at 100%


multicol: increase space between columns

How to change spacing between columns for just one page in the document


Using ZXing to create an Android barcode scanning app

Integrating the ZXing library directly into my Android application


"I shall" vs. "I will" in an e-mail to a superior

When should I use "shall" versus "will"?


Prove that $\binom{n}{r} + \binom{n}{r+1} = \binom{n+1}{r+1} $

Proving Pascal's Rule : ${{n} \choose {r}}={{n-1} \choose {r-1}}+{{n-1} \choose r}$ when $1\leq r\leq n$


Using particle physics math model to simulate simplest life

Can we fully simulate molecular physics?


Why can't we say that the probability of the true parameter being within a 90% confidence interval is 90%?

Why does a 95% Confidence Interval (CI) not imply a 95% chance of containing the mean?


Distribution of a transformation of normally distributed independent variables.

Find the distribution of sum and product of standard normal random variables


Shouldn't flags be dismissed if a question is closed?


Multiple servers acting like a single one with all the hardware?


How do I get a map with specific X and Z centers in the Bedrock Engine?

Is it possible to use NBT tags in commands in Minecraft: Bedrock Edition?


"gzip: stdout: No space left on device" while upgrading the kernel


My old user account is deleted but I still can see my old comments. I want to delete them as well

Further anonymize deleted accounts by changing the username in close/delete notices


What does the "~" (tilde/squiggle/twiddle) CSS selector mean?


Captain America's status with the US military

Why hasn't Captain America been promoted?


To show that the limit of the sequence $\sum\limits_{k=1}^n \frac{n}{n^2+k^2}$ is $\frac{\pi}{4}$

The limit of a sum $\sum_{k=1}^n \frac{n}{n^2+k^2}$ as $n\rightarrow\infty$


how to implement class functions in a hpp file?

Why can templates only be implemented in the header file?


Can I skip over releases when upgrading?


Why is $\frac{x}{\| x \|}$ a unit vector?

Why does dividing a vector by its norm give a unit vector?


Summing up floats elements of array in python is adding garbage value to the end of the answer?


Giving access of a set of commands to a non-root user without sudo


varargs/params object[] but differentiate between actual object[] input and varargs input(s)

How to pass a single object[] to a params object[]


Why does hash[:symbol]++ not increase the value of :symbol by one?

Why doesn't Ruby support i++ or i-- (increment/decrement operators)?


What is the purpose of the designs on the wall?


Understanding relationship with Shared DNA of 1,501 cM across 50 segments

Determining likely relationship based upon autosomal DNA shared cM


I want to make a PhD thesis but my qualifications are bad .. do I have any chance

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


Strings concatenation and one character size


How to fast play Traps/Loot/Hidden treasure


the left inverse and right inverse in a ring

A ring element with a left inverse but no right inverse?


Regarding the HTML Label's "For" Property

What does "for" attribute do in HTML  tag?


Evaluating $\int \sin^2 x \cos^3 x \operatorname dx$


asp.net web page pass parameter to another page include "#"


Calculate modulo solution of a number with a high exponent

Modular exponentiation by hand ($a^b\bmod c$)


Can you identify this novel about mind control, where everyone wears catsuits?


In Cohen forcing $\mathrm{Fn}(\kappa\times\omega, 2)$ prove $(\lambda^\vartheta)^{M[G]} = ((\max\{\lambda, \kappa\})^\vartheta)^M$

Powers of infinite cardinals in the generic extension


Iterable object: Reduce to a single value


How to set my Activity as main activity in android?


Scenario of Crossing the speed limit of our Universe

If I am travelling on a car at around 60 km/h, and I shine a light, does that mean that the light is travelling faster than the speed of light?


Prevent bad rankings on a Q and A site for questions without an answer by using noindex until answered


Java Socket why server can not reply client