Review icon not showing in private beta sites

/review tab not accessible on a private beta


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


Why is R's coxph model hazard greater than 1?

Understanding Hazard Function Values Exceeding 1


Inserting group into existing group using PyQGIS


What do I put for my affiliation on a paper when I have none

What to put in "affiliation" field when submitting paper without affiliation?


Short story about a science fiction author whose books were being stolen by a time traveler

Story about plagiarism by means of time machine


Is a question about the reason for dislike/like appropriate?

Where can I ask an open discussion question?


Intel Corporation Wireless 8260 [8086:24f3] (rev 3a)

Install Intel AC 8260 wireless drivers offline


Can you what Apple ID is now associated with my MacBook Air using its serial number?

Is it possible to figure out what Apple ID is now associated with my MacBook Pro using its serial number?


SSH session gave a false negative when adding user to wheel

I added a user to a group, but group permissions on files still have no effect


"What power supply do i need to power 60 1.5v dc motors that draw about 200ma?"

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


The replier's From email address is modified when Marketing Cloud RMM forwards an email to the routing address


There "is" or "are" a wealth of opportunities?

"There is" or "There are" a large quantity of people?


How to assign an icon to an executable on windows (or visual studio)

How do I set the icon for my application in visual studio 2008?


Java generics. Type mismatch: cannot convert from object to

What is a raw type and why shouldn't we use it?


what is the significance of the "7" in "man 7 regex"?


How to use WHEN on the following occasion?

Usage of “when” or “while” in this context


Parse english textual date expression into datetime


Combining two lists of strings together once in Python 3.4.3

Get the cartesian product of a series of lists?


How are Python dictionaries (builtin hashtables) implemented?

How are Python's Built In Dictionaries Implemented?


A "wireless engineering" community in the Stack exchange?

Where do I suggest new Stack Exchange sites?


Create a bootable USB on a Mac to install Ubuntu on a PC


When I log in, it hangs until crng init done


suid bit in SuSE has no effect through system()

Setuid bit seems to have no effect on bash


What's a word used when you don's see flaws on a person, even when they are there?

What is a word for making something seem not as bad as it actually is?


How can I assign a Func conditionally between lambdas using the conditional ternary operator?


Print out $view object in custom field template

White screen of death: Fatal error: Allowed memory size of X bytes exhausted


Can I visit Schengen countries on a Type-D Schengen Visa?


Log latest commit from current branch (even if master)

git, how to reference last commit in current branch


Find all values of z for which $z^6 = (z+1)^6$.


C# - Start new thread calling parameter method


How to add a custom icon or symbol to a flag link?


How can I know the size of an user define type(class) in Java?

In Java, what is the best way to determine the size of an object?


Redefining multiplication so that $\mathbb{Z}$ is a field?

Is it possible to make integers a field?


Using | pipe character from a $variable makes it treat as just another argument in bash; how to escape it?


Why do people step to positions to be transported, even if there isn't a transporter pad?


Regex with xml finding content between tags

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


Why are differential equations for fields in physics of order two?


Proof If $AB-I$ Invertible then $BA-I$ invertible.

$I_m - AB$ is invertible if and only if $I_n - BA$ is invertible.


Why are salons which serve both genders called Unisex Salons?


How to delete specific rows by names saved in the vector?

How to delete multiple values from a vector?


Is there a hotkey to switch between tabs in Gedit?

How do I move to a new tab in gedit using the keyboard?


How to detect, find and install a missing firmware


$\lfloor \frac{n}{27} \rfloor=\lfloor \frac{n}{28} \rfloor$


How to dispatch static html pages who are not in WEB_INF Folder from spring controller

Managing HTML resources (CSS, JS files) in Spring MVC


is Linear Algebra Done Right too much for a beginner?

Is "Linear Algebra Done Right 3rd edition" good for a beginner?


Can uneven ACQ treatment be corrected on decorative objects?


Is it possible to flash a custom ROM (say Lineage OS) with adb/fastboot?

Is it possible to flash a custom ROM without a custom recovery image


Roth IRAs for Residents of Puerto Rico with No Income within the continental US


Wrong display configuration used by LightDM in Ubuntu 13.10 when laptop lid is closed in docking station

Personalize monitor position before login


Get src type of img or video tag (not extension)?

How can I get file extensions with JavaScript?


probability that a random variable is even


Integrate $\frac{dx}{x^{2n}+1}$ for $n \in \mathbb{N}$ from $-\infty$ to $\infty$

Prove $\int_0^{\infty}\! \frac{\mathbb{d}x}{1+x^n}=\frac{\pi}{n \sin\frac{\pi}{n}}$ using real analysis techniques only


How to normalize my db schema for a quiz application?

Data Model for Online Examination - Matching Questions


R + ggplot2 => add labels on facet pie chart

ggplot, facet, piechart: placing text in the middle of pie chart slices


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


How can I change the viewable area of my external display?

Only half of the display works, can I set to display only in that region?


debug a service windowns through your source code DELPHI?

How to debug a windows service with Delphi?


Converting a String or base10 to a base 2 in VB

Quickest way to convert a base 10 number to any base in .NET?


How to run some code only when the rails console starts, kind of like an rc file?


Prove that $\sin(a)$ + $\cos(a)\leq\sqrt{2}$

Prove: $|a\sin x+b \cos x|\leq \sqrt{a^2+b^2}$


Any relevant knowledge/studies about voluntary goose bumps


How do I capture artificial light sources better?


How to re-ask a quesion if the original accepted answer is irrelevant?

If you are not satisfied with answers on someone else's question, should you ask your own?


how to tell checkinstall only create package file, but not install?

Debian checkinstall ignores install=no; how to have it build, but NOT autoinstall a package?


How to save only the rows containing redundant content using awk?

How do I print all lines of a file with duplicate values in a certain column


What is the meaning of p values and t values in statistical tests?


Servlet filter "returning" an object for later use


Why are these constructs using pre and post-increment undefined behavior?


Why do the following PostGIS operators perform so differently?

Using PostGis BBox and ST_intersects Queries?


For a given fixed perimeter p, what will be the width of a Norman window in order to maximize its area?


Referencing List by indexVar in lightning component


How to check for file system consistency after power outage

What should I do to force the root filesystem check (and optionally a fix) at boot?


Upgrading convergence in probability to L1 convergence

Measure Convergence Version of Lebesgue Dominated Convergence Theorem


The first and (the) second chapter(s) are difficult - which is correct?


PHP loop through array then delete the current key


Retrieving post meta of recently published post


Initializing Manipulator value within DialogInput (version 10.1 only)


Configuration Management together with git-flow

Development with git branches/ gitflow and new modules


How do I apply a ColorDataFunction[] to a grayscale image?


Run Application without Holding up terminal


Unsure of how to test for both a trigger and helper class


natbib=true with Biblatex gives brackets when command \citetext{\citealp{}} is used

Write complex citations with BibLatex - "&" needed instead of "and"


How to get column values in one comma separated values

How can I combine multiple rows into a comma-delimited list in Oracle?


Fantasy book where a princess encounters many fantasy tropes including a dragon

Series of books featuring dragons, enchanted forests, magic swords, etc


Show that $H$ is a group, and that it is isomorphic to $G$

Prove that $G^{op} \cong G$ when $G^{op}$ is the opposite group of G


Calling delete on variable allocated on the stack


Compiler fails to find right function overload


How to sed and put back the part of the match?

How can I replace text after a specific word using sed?


If the Ratio test proves inconclusive does that imply the Root test will always be inconclusive as well (Alternating Series)


My Ubuntu is booting to a black screen. What can I do?

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


can i use .bash_profile to create an alias which copies text from a file?


getting error while connecting with repo

Checkout SVN svn+ssh repo with subversive in Eclipse Helios


Why does my NTFS partition mount as read only?


Properties of special rectangle (measure)


Notepad doesn't open files created by Gedit?

How to make text file created in Ubuntu compatible with Windows Notepad?


PHP Language : While/For loops, better performance?


The generating function for the Fibonacci numbers


please cut the activity of these cross-site spammers (astroturfers)

Implement cross-site posting rate limits to slow down spammers


How to get rid of the "overshoots" in the picture?


Conditionally duplicate rows in R while changing values in a single column

reshape dataframe based on a string split in one column in R


minecraft nbt or somethin simillar need help

How do I combine the NBT tags from two separate commands?


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


Let A be a subset of R with more than one element, let a in A. If A-{a} is compact.

$A\subset \mathbb{R}$ with more than one element and $A/ \{a\}$ is compact for a fixed $a\in A$


Why is this VirtualHost definition activating when the ServerName doesn't match?

How does ServerName and ServerAlias work?


Parameter evaluation order before a function calling in C

Why are these constructs using pre and post-increment undefined behavior?


For loop returns same value repeatedly in Ajax call

JavaScript closure inside loops – simple practical example


How To Run Shaving Machine Without Bettary?

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


How do I see the full stack trace when I catch an exception

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


How do I perform string matching and replacements?


What if humans doubled size... and everything else... could we notice?

If everything in the universe doubled in size overnight, would it be noticeable?


Can I change the default Gimp transparent background to white?


WPF ResourceDictionary in other assembly

ResourceDictionary in a separate assembly


Android - java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.TextView.setText...' on a null object reference


How do I get a platform-dependent new line character?


Wouldn't the Elder Wand belong to Neville, not Harry?

Would Nagini have become the master of the Elder Wand?


std::string control characters: assigning a hex number to a string

When did C++ compilers start considering more than two hex digits in string literal character escapes?


Schengen visa granted; apply for a new one to extend visit?

Can I have multiple Schengen visas for future travels in my passport?


How do I prove the function $f(z) = \sin \bar{z}$ is not differentiable on the disc $D(0,1)$?

Showing $\sin(\bar{z})$ is not analytic at any point of $\mathbb{C}$


If $B$ is finitely generated as a $k$-algebra, and $\phi:A\to B$ is a $k$-algebra map, is $\phi^{-1}(M)$ maximal for any maximal $M\subset B$?

In an extension of finitely generated $k$-algebras the contraction of a maximal ideal is also maximal


trouble understanding some parts of integration,


How to get a particular data from JSON string coming from API in ANGULAR 8 and store in Variable

Safely turning a JSON string into an object


Importing a module in .NET and then using it as an object?

How can I call (Iron)Python code from a C# app?


How do I pass the value (not the reference) of a JS variable to a function?

JavaScript closure inside loops – simple practical example


Installing USB Wifi w/ RealTek RTL8812AU

TP-Link AC600 Archer T2U Nano driver for Ubuntu 18.04


New Tmux Panes go to the same directory as the current pane; new tmux windows go to home directory?

How to create a new window on the current directory in tmux?


"find: missing argument to `-exec'" when using "-exec rm -f {}\"


I believe I have solved a famous open problem. How do I convince people in the field that I am not a crank?


Is there a word for an explanation that is simple but wrong?

What is a word to describe one's thoughts that sound logical and reasonable but, in reality, they are not?


what does variable declaration after function declaration mean?

What is this strange function definition syntax in C?


How do I declare that a variable represents a real number?

Complex number operations: telling Mathematica variables are real


Is Game Update will store Existing information?

What precisely happens when iOS installs an update to an app?


Let V be a finite set and let $\Omega \subseteq 2^{V}$ be a nested family of odd subsets of V. Show that $|\Omega| \leq \frac{3}{2}\cdot|V|$.

Max family of odd subset of a nested set.


How can I stop my lava moat from burning down my house?

Minimum safe spacing between lava and flamable materials?


How to change the width of remote serial console?


Prove combinatorial Identity using a combinatorial argument.

Combinatorial Proof for Binomial Identity: $\sum_{k = 0}^n \binom{k}{p} = \binom{n+1}{p+1}$


Calculating 3D surface area base on slope in ArcGIS Desktop?

Calculating 3d polygons' surface area using ArcGIS Desktop?


How long can deep fried chicken kebab be stored in freezer not fridge

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


Unavailable Network Share causes Explorer (and its dependants) to hang for huge amounts of time

How do I set the Windows network timeout for physically disconnected mapped drive?


How can I unlock a file that is locked by a process in .NET


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


Typesetting computer modern and Latin modern font in LaTeX

How do I find out what fonts are used in a document/picture?


what is the "non-linear" algebra called?


How many axes did Gimli bring on the quest of the Fellowship?


How can I auto refresh my web browser in android? (Any web browser)


Why does Convert.ToString format doubles in this way?

Double to string conversion without scientific notation


Identity related to the totient function:$\sum\limits_{k=1}^n\phi(k)\left\lfloor \frac{n}{k}\right\rfloor = \frac{n(n+1)}{2}$

Identity involving Euler's totient function: $\sum \limits_{k=1}^n \left\lfloor \frac{n}{k} \right\rfloor \varphi(k) = \frac{n(n+1)}{2}$


Should conference papers be counted as publications?

Are contributions to conference proceedings considered to be "archival" publications?


If $H,K$ are subgroups of $G$, then $HK = G$?


How could I validate 13 digit phone number with hyphen?

How to validate phone numbers using regex


Proving the inequality $\sum_{\text{cyc}} \frac{a}{a^2+b^3+c^3}\le\frac1{5abc}$


If mass is invariant then why cant we travel faster than light?

If rest mass does not change with $v$ then why is infinite energy required to accelerate an object to the speed of light?


java.lang.NullPointerException at largeNo.main error while pushing onto stack

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


Conversion Failed From nvarchar to int even when all values in result set are int

At which point does SQL Server validate data for insertion


Can anyone suggest a simple code so that the system will auto logout after 5 min if it is idle. I'm using session for login

How do I expire a PHP session after 30 minutes?


'SyntaxError: EOL while scanning string literal' while trying to save file name as argument from command line

Why can't Python's raw string literals end with a single backslash?


Hindi fonts not appearing properly in pdf when using Dynamic reports

How can I render hindi correctly when exporting to pdf?


SyntaxError: expected expression, got '< Error While passing List Parameters in GeoServer View

how to pass value like 100,102,103 to view params


can i install Ubuntu14.04 in my ideapad?

How do I know if a laptop will work with Ubuntu?


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


Show that the sequence $x_n=\sum\limits_{k=1}^n\frac1{\sqrt{k+1}+\sqrt{k}}$ is unbounded.


How can I emit a redstone signal when a player eats a golden apple?

Is it possible to detect a player consuming food items?


How do I rotate a tikz rectangle about a specific axis?


find $\lim_{x\rightarrow \infty } \frac{a^x}{x^{\alpha}}$

How to prove that exponential grows faster than polynomial?


Hints for $\lim_{z \to \infty} \frac{\operatorname{Re} f(z)}{z}=0 $ implies $f$ is constant.

Hints for a complex limit: Prove if $\lim_{z \to \infty} f(z)/z = 0$ then $f(z)$ is constant.


Show that $Z_5 \times Z_7$ and $Z_{35}$ are isomorphic.

$\mathbb{Z}_m \times \mathbb Z_n$ is cyclic if and only if $\gcd(m,n)=1$


Show that the Fourier Transform is differentiable

Derivative of Fourier transform: $F[f]'=F[-ixf(x)]$


How does k-fold cross validation overcome overfitting in deep neural networks?

Training on the full dataset after cross-validation?


What is the correct way to create white-space on a page with CSS/HTML?


How to capture the scene exactly as my eyes can see?


How to create a custom stylesheet notebook?

How to change the default Notebook stylesheet


Topology: Proof that a finitely generated cone is closed


How to fix the inaccuracy of NDSolveValue

2D Heat equation: inconsistent boundary and initial conditions


Difference between "I have got" and "I have gotten"


How do I properly make a symlink for /var/www/html while keeping both security and function in mind

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


Trying to insert multiple rows in my table in SQL.Always showing SQL Command not ended properly

Best way to do multi-row insert in Oracle?


$K \subset L$ a field extension and $L$ algebraically closed implies that $A$ is the algebraic closure of $K$

Given a field, the field of algebraic elements over it in an algebraically closed field extension is again algebraically closed?


Is there a minimization principle for Hamiltonian?

Finding a "Principle of Least Action" equivalent statement for Hamiltonian Mechanics


Marking question answered if the answer occurs in the comments section?

Mark a comment as the answer to a question


All-caps trademark usage. Do I have to follow the all-caps recommendation?

How to handle non-standard capitalization in formal letters


Super.super notation. What am I doing wrong?

Why is super.super.method(); not allowed in Java?


How to pass WHERE condition as PDO prepared statement parameter?

Can PHP PDO Statements accept the table or column name as parameter?


How to linkify urls in a string with php?

How do I linkify urls in a string with php?


Is there are any ways an agent can see the number of pending chat requests on omni channel?

Is there any way to get the number of pending chat request on omni channel?


How to write this type of L in equation latex

What are all the font styles I can use in math mode?


How to boot into 'Ubuntu on Xorg' by default?

How do you switch from Wayland back to Xorg in Ubuntu 17.10?


Work done in rotating a dipole in NON uniform electric field

Work done in rotating electric dipole in uniform field


How can I call off a Windows 10 upgrade?

Tell Windows 7 to Stop Trying to Upgrade to Windows 10?


Blender Importing . How to reapply all textures and maps to Luxox18 import models?

How to properly hook up various maps types in Cycles?


How to handle decimal value in shell scripts

How do I use floating-point division in bash?


How to use a tuple with string.format with out splitting beforehand

Return a tuple of arguments to be fed to string.format()


Fixed points on functions mapping $[a,b]$ onto itself

Show that a continuous function has a fixed point


How to draw centerlines of Oriented Minimum Bounding Box in the orientation closest to orientation of all polygons collectively in QGIS?

Calculating dominant angle of a polygon in QGIS without main_angle function


sed display line number and add / remove comment

replace a string with sed from specific lines


Resistance to electric current in conductors


Is it possible to have a equation system that forms a matrix 3x3, having 2 solutions?

Proof that any linear system cannot have exactly 2 solutions.


"Who wants ice-cream?" — Should I say "(not) I" or "(not) me"?


Is it possible to crack AES-256 ECB when provided with the ciphertext and a portion of the corresponding plaintext?

Is it possible to obtain AES-128 key from a known ciphertext-plaintext pair?


Correct typesetting of aligned (or multiline etc) equations after a pagebreak


Why does the "protected" modifier in Java allow access to other classes in same package?


Are there any proofs that only exist by induction?


Vertex coloring on textured models to use in Unity?


Online/offline or Away status indicator in Stack overflow


Why do I get "a label can only be part of a statement and a declaration is not a statement" if I have a variable that is initialized after a label?


Ubuntu 15.10 Unity white border around windows

Strange coloured border appearing around windows


How do you distinguish between two spacetime metrics?

Coordinates vs. Geometries: How can we know two coordinate systems describe the same geometry?


form attempt to update while check multiple check boxes

Setting "checked" for a checkbox with jQuery


Is a continuous real-valued function with an almost everywhere continuous derivative necessarily differentiable on $\mathbb{R}$?

If a derivative of a continuous function has a limit, must it agree with that limit?


Does a SOQL Query that returns 0 results still count toward Query Governor Limit?

Does SOQL query get consumed when querying from an empty set?


What is the difference between a consistent estimator and an unbiased estimator?


Warning Noob PS question - Photo collage

What resolution should a large format artwork for print be?


How to solve a linear congruence $8n+9\equiv 0\pmod{\!1163}$


Difference between decorator classes and decorator functions


List of lists changes reflected across sublists unexpectedly


How to Dispose an object using Dispose method


Writing comments in QGIS Graphical Modeler


How to give dots or point or period before the number of equation

How to put \dots in front equation numbers in amsmath


Why am I getting a NoClassDefFoundError in Java?


In what sense is the forgetful functor $Ab \to Grp$ forgetful?


How to share files through the local network?


How to create a label combining different font sizes or types?


Question about SOT and compact operators


Transit through Mumbai airport from International to Domestic from Middle East

Travelling from Berlin to Mumbai to Goa, how long would I need for processing in Mumbai before my flight to Goa?


Disable ClearType (blurry fonts) in Internet Explorer 10 on windows 7


For independent RVs, does $E|X+Y|<\infty$ imply $E|X|<\infty$.

If $X \perp Y$ and $X+Y \in L^1$ then $X,Y \in L^1$


How can I fix a "no such partition Grub Rescue" error?


What is a good book to learn number theory?


Calculating relative share of an area of circle that has slope >15% in Germany


what is the difference between cd ~ and cd /home?


Get Android Phone Model programmatically


Consecutive Day count reset this morning


Smallest $n$ such that $G$ is a subgroup of the symmetric group $S_n$

"Efficient version" of Cayley's Theorem in Group Theory


Selecting a database in mysql with spaces in its name


what does this inversed triangle stand for?

what does ∇ (upside down triangle) symbol mean in this problem


PostgreSQL insert not occurring serially

Why does Postgres generate an already used PK value?


Why do I need to replace "quiet splash" with "nomodeset"?


What causes the 'Connection Refused' message?


What's the correct articulation for abbreviated words?

Do you use "a" or "an" before acronyms / initialisms?


Can anyone explain what JSONP is, in layman terms?


Proof for maximal ideals in $\mathbb{Z}[x]$

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


Should I disconnect my MacBook Pro's power cord when the battery is fully charged?


If $f(1) = i$ what is $f(i)$ for a function with $|f(z)| \leq K|z|$ ? GATE 2011

Let $f (z) $ be an entire function such that $|f (z)|≤K|z|$, $∀z∈\mathbb{C}$, for some $K>0$. If $f (1) =i$, then$f (i) $ is


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


Let $R$ be an integral domain. If $x \in R$ is prime, then $x$ is irreducible.


what should be done on questions where low rep users have answered in question text?

What to do when OP answers his/her own question in an edit?


Package with pre-made set of customizable drawings


Is it more Java-thonic to throw an exception or return null?

Should a retrieval method return 'null' or throw an exception when it can't produce the return value?


Is there an obvious reason why $4^n+n^4$ cannot be prime for $n\ge 2$?

If $m^4+4^n$ is prime, then $m=n=1$ or $m$ is odd and $n$ even


Conundrum: "cleverer" or "more clever", "simpler" or "more simple" etc


How to specify a short int literal without casting?


shell bash, can you check if a function exists


How can I do development on my Android device?


How do I boot into Ubuntu (after installing, it still just boots to Windows)?

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


US which Immigration line with girlfriend?

US entry in Atlanta airport (ATL) together with a US citizen


FilenameUtils.getExtension comparison returns false


A uniform continuous function which is not Hölder continuous


EXC_BAD_ACCESS strange Hex to String conversion


What does "it" refer to in "it's raining"?


How to use variables in a MySQL Select query


initialize dict with keys,values from two list

How do I convert two lists into a dictionary?


post-ban for three questions with no rating

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


Proving a particular subset of $R^n$ is closed


GIT -- Exclude / Ignore Files from commit


What can I do to give the players the same feel their characters would have about wilderness travel?


Lenovo B50-70 Electric Shock when touching VGA port , when plugged to AC


how to convert java class encoding to utf-8

Best way to convert text files between character sets?


Facebook page tab redirect to fan page after form submit

PHP "header (location)" inside IFRAME, to load in _top location?


Do I need a transit visa for a layover in the United Arab Emirates?


Meaning of HTML  element with href="javascript:;"

Which "href" value should I use for JavaScript links, "#" or "javascript:void(0)"?


Use the shell test to validate basic file information.

Why *not* parse `ls` (and what to do instead)?


About $\lim \left(1+\frac {x}{n}\right)^n$


Why do we need to use the builder design pattern when we can do the same thing with setters?


Until end of turn effects and Doubling Season

Are +1/+1 counters different from +1/+1 effects?


How to open and edit PHP files in Ubuntu server?


Do photons experience every moment in time and position in space simultaneously?

How does a photon experience space and time?


Latency issue with Primefaces overlayPanel - loads to lazy


If $r,s,t$ are prime numbers and $p,q$ positive integers s.t. $\text{lcm}(p,q)$ is $r^2s^4t^2$, then the number of ordered pairs $(p,q)$ is?


How many 3 letter words can you form from 'EEAAP'


javascript date adding days getting wrong days


how to remove a file named "-f" from the command-line?

How do I delete a file whose name begins with "-" (hyphen a.k.a. dash or minus)?


Strokes appearing on my logo in the browser when no stroke colour has been set on the SVG in Illustrator

Image looks embossed when converted to SVG


Infinite ring is an integral domain if the quotient with each non-trivial ideal is finite

Prove that an infinite ring with finite quotient rings is an integral domain


The set $\{\frac{\varphi(n)}n:n\in \Bbb N\}$

Prove that $\{\frac{\phi (n)}{n}\}_{n \in \Bbb N}$ is dense in $[0,1]$


Proving a specific module is projective.

Prove that if $M$ is an $R-$ projective left module then $M/IM$ is an $R/I-$ projective left module.


How to calculate the standard error of a proportion using weighted data?


A maximal ideal is always a prime ideal?


Why does adding a new value to list overwrite previous values in the list


Linux - Help, I'm running out of inodes!


Is this silverfish? My apartment very dry

Is this arthropod non-intrusive and recommended to be left alive?


How to write “ä” and other umlauts and accented letters in bibliography?


Can I Comma Delimit Multiple Rows Into One Column?


My wifi isn't working and I have no idea what to do

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


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


How can I add an integrated Google search to my website?


How can I remove duplicate subarrays from my multidimensional array?

How to remove duplicate values from a multi-dimensional array in PHP


Where does malloc and global variable declaration allocates their variable to in C?

Where in memory are my variables stored in C?


Is an implementation allowed to site two identical function definitions at the same address, or not?

Do distinct functions have distinct addresses?


Android app doesn't render LaTeX content in comments

Please add TeX rendering on the Android app


Galois group of $(x^2-2)(x^3-2)(x^3-3)$ over the field $\mathbb{Q}(i\sqrt{3})$

Determine the Galois group of the polynomial $(x^3-2)(x^3-3)(x^2-2)$ over $\mathbb{Q}(\sqrt {-3})$


Understanding Alexa rank, it isn't showing many of my back links?


Finding League of Legends language files


List of lists changes reflected across sublists unexpectedly


Space-based science fiction series where in each book a character was permanently transformed into a planet's species to find a Macguffin

Series of sci-fi novels: sisters turned into cow like aliens, mother ship full of humans


Javascript for loop not running correctly

JavaScript closure inside loops – simple practical example


Why my program doesn't return the count integer in my public int method?

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


Prove that $\alpha$ is algebraic over $\mathbb Q$.

Why is it that if $[L:K]$ is finite, then $[L:K]$ is algebraic?


Is this pass by reference or pass by value


Broken activation of Windows Server 2012

Can you help me with my software licensing issue?


I want to calculate the limit of: $\lim_{x \to 0} \left(\frac{2^x+8^x}{2} \right)^\frac{1}{x} $


From SEO perspective: Are there any reasons NOT to switch to HTTPS-only for a homepage?

New Google SEO benefit with SSL - with only a few sections in SSL, or always on?


What do hats get me after winter bash is over?


How do I make a octahedron in Blender 2.8=

How do I create an 8 sided die from one object?


Real Time Audio Spectrum Analyser for Ubuntu

Is there a free realtime spectrograph available for Ubuntu?


TikZ - game tree representation with continuum of moves


How to select areas from a target layer which do not intersect source layer?

Selecting features that do NOT intersect in ArcGIS Desktop?


Two-digit year in bib entry for articles

Show only the last two year digits in Biblatex citation


Server monitoring software that will show each cpu seperatley

What tool do you use to monitor your servers?


Area of the field that the cow can graze.


How to "unpivot" or "reverse pivot" in Excel?


Blender App opens in worst resolution and the info bar is invisible

The "Info" bar on top disappeared and the mouse pointer is misaligned


Having trouble accessing updated Contact.Histories in unit test

Is it possible to test apex that relies on field history tracking?


Why do I get "Permission denied (publickey)" when trying to SSH from local Ubuntu to a Amazon EC2 server?


Why does su fail with "authentication error"?


"I will refuse nothing to a soul that makes a request of me in virtue of my passion" - meaning?


Interpretation of Moment of Inertia Tensor

What is the physical significance of the off-diagonal moment of inertia matrix elements?


I am looking for an older series about space colonization

Sci-fi series where humans are reduced to a mathematical pattern and sent to another planet


Cannot install Libtool library used but `LIBTOOL' is undefined trying to install ffmpeg

Libtool library used but `LIBTOOL' is undefined?


BibLatex Citing with Author having "And" in Name


If $G$ is a group of order $4n+2$, then $G$ contains a subgroup of order $2n+1$

Let $G$ be a group of order $2m$ where $m$ is odd. Prove that $G$ contains a normal subgroup of order $m$


Strange behaviour in CENTOS 7 where binary is not available as root, but is available to user data process


Is it possible to legally visit uninhabited islands in the Pacific for a couple of days/weeks?

Is it possible to legally visit uninhabited islands in the Pacific for a couple of days/weeks like Robinson Crusoe


"Outside the cell" or "outside of the cell"?


To evaluate limit of sequence $\left(\left( 1 + \frac1n \right) \left( 1 + \frac2n \right)\cdots\left( 1 + \frac nn \right) \right)^{1/n}$


Does using std::array lead to code bloat?

C++ Templates: Convincing self against code bloat


Why k-means algorithm tends to fail on elongated dataset?

How to understand the drawbacks of K-means


Energy saving measures in Ubuntu desktop computers / PCs

Is there a power saving application similar to Jupiter?


Finding The Laurent Series for $\sin(\frac{z}{1+z})$ at $z = -1.$


Run simple bash script to start applications at login


Villager trader and custom written book?

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


re using 'better' "You had better do that" (meaning you should do that) or "You better do that"?

"Had better" — what is the meaning of this grammatically?


Number Theory Prove $\gcd(a, b, c)=\gcd(\gcd(a,b),c)=\gcd(\gcd(a,c),b)=\gcd(\gcd(b,c),a)$.

$\gcd(a,b,c)=\gcd(\gcd(a,b),c)\,$ [GCD Associative Law]


Recent feature changes to Stack Exchange


How to pass data from Javascript to PHP and vice versa?


LINQ concatenating elements in two string arrays

How can combine two enumerations with a custom function?


Why is gold used in latinum based currency?


I can't delete photos on my iPhone 4s even though the delete button is there, why?

How do I delete pictures of my iPhone which wont delete?


How to round a number to n decimal places in Java


The Meaning of @override in Android Studio


Secure UUID v4 generation in PHP - without mt_rand()


Why is the derivative of $e^x$ equal to $e^x$? And why the derivative of $a^x$ is equal to $ a^x\ln a$?

Why is the differentiation of $e^x$ is $e^x$?


How many different sizes of infinity are there?


Oversimplify it for me: the correct order of investing


Identity for convolution of central binomial coefficients: $\sum\limits_{k=0}^n \binom{2k}{k}\binom{2(n-k)}{n-k}=2^{2n}$


How do I recover lost/inaccessible data from my storage device?


Is the phrase "to not" correct in English?


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


How to use an URL param in a templateUrl using ngRoute?

AngularJS - How to use $routeParams in generating the templateUrl?


How to export a large list of variables in Bash?


Change to default start folder for Windows command prompt


Is element unique ID preferable to use as a Selenium locator than element text?


java.lang.NullPointerException error with eclipse and testng

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


Was Eddard Stark as good a/better swordsman as/than Jaime Lannister?

Was Ned Stark actually a good swordsman?


If $a + b \sqrt{c} = d + e \sqrt{f}$ can we equate the numbers?

Proving that $\left(\mathbb Q[\sqrt p_1,\dots,\sqrt p_n]:\mathbb Q\right)=2^n$ for distinct primes $p_i$.


How to rigorously prove that 1/t does not have a Laplace Transformation


Practical difference between List and IEnumerable

IEnumerable vs List - What to Use? How do they work?


What is the actual behavior of compatibility level 80?


At what time will the upcoming Ubuntu release be made available?


Novel set in a dystopian future where everyone was color-blind by mandated ingestion of medicine

Can someone identify this book, where children are bred for specific jobs?


How do I resolve unmet dependencies after adding a PPA?


Who do I mark as giving the correct answer? (Etiquette question)

Deciding what answer to accept: the correct one-liner or the later elaborate one with code?


Determine value nearest to given coordinates

Finding nearest raster cell value based on vector point?


How to remove sogou as default startpage?

123.SOGOU.COM - trojan horse in ukui-screensaver


An ability to make my CAPS work as CTRL again


Attempt to re-install ubuntu-software fails: "no installation candidate"


Launching a script in a new gnome-terminal

how can I open a extra console and run a program in it with one command?


calculating and showing a date as 'secs ago', 'mins ago', 'hours ago' etc


External HP Mouse Suddenly stopped working In Windows 8

Troubleshooting the Microsoft generic USB HID drivers


Why is the ampere a base unit and not the coulomb?


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


Effectively creating this effect in Illustrator?


Why don't wizards use more than one wand like when Harry uses three?

Why don't wizards always use multiple wands?


How do I insert a variable into a regexp that gets executed using the search method?

How do you use a variable in a regular expression?


Convergence of a series implies another convergence

If the series $\sum_0^\infty a_n$ converges, then so does $\sum_1^\infty \frac{\sqrt{a_n}}{n} $


Can a bounty be awarded for the same user in the same question multiple times?

Can the same answer from the same question be bountied multiple times by the same user (non-concurrently)?


Why is Linux reporting "free" memory strangely?


SQL query to list the foreign keys between two tables

How do I see all foreign keys to a table or column?


Does not compile with complete text but, when I compile it separately, it gives me the required output. What should I do?


NullPointerException in AbstractTableModel getRowCount

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


how not show show keyboard input in win32 console application, using cin to get input


How to prove that $\pi^{e^{\pi^e}}<e^{\pi^{e^{\pi}}}$

$e^{\left(\pi^{(e^\pi)}\right)}\;$ or $\;\pi^{\left(e^{(\pi^e)}\right)}$. Which one is greater than the other?


Divisibility of repdigits - Prove that 99 divides even copies of 9 only

How to prove $\,x^a-1 \mid x^b-1 \iff a\mid b$


Unable to run ConTeXt (pdfTeX) after upgrading to Mac OS X 10.9 Mavericks


Cannot flag question to migrate to math.stackexchange

More options when flagging for migration


I need to show fancybox banner only once per browser session

Delay pop-up for 10 seconds, only pop up once


What is the difference between "Redirection" and "Pipe"?


What is the impact of a 'Coming Soon', holding page while redesigning the website?

What to put up during development? "Coming Soon" page is bad for SEO


Bluetooth Not connecting - Searching for Devices - 18.04.4 LTS


My vim does not support python3, how can I fix this

Ubuntu 16.04 VIM without python support!


How to disable Dark Mode in Google Chrome on macOS Mojave?

How can I keep light mode for Google Chrome while using dark mode in Mojave?


About SVM cost and gamma parameters tuning


Applying for a Schengen visa for a second time; what documents should I attach?

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


Javascript how to check if a date is greater than or equal to a date value


Why doesn’t this code: a[i] = i++; work?

Why are these constructs using pre and post-increment undefined behavior?


Does "It snowed hard Monday" require an "on"?


Can't handle the error java.lang.object.toString on a null object reference

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


How does one solve trig functions by hand?

Is there a way to get trig functions without a calculator?


What are we plotting the residuals of a simple linear regression against if we want a normal probability plot?

Interpreting Regression Diagnostic Plots


How do we "restore" notepad after crash?


C++ Remark: operands are evaluated in unspecified order

What belongs in an educational tool to demonstrate the unwarranted assumptions people make in C/C++?


How to break a whole nested loop after inner loop gets an answer


How to have a figure with caption in multicol environment?


What could it mean to "Rotate" a distribution?

How to understand moments for a random variable?


How to get dual boot (Ubuntu/Windows) option enabled?

Dual-boot boot menu does not show up after installing Ubuntu 15.10 alongside Windows 10


select multiple column from multiple table join query

SELECT query for multiple column with multiple table


Give each site a parallel site for polling, recommendations and subjective-ish stuff


Audio circuit: single point PLUS ground plane

Single point vs Ground plane, in audio OP AMP PCB layouts


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


How do I upgrade to a newer version of Ubuntu?


manipulating the X axis notation in mathematica graph


How do I determine how much RAM I actually need?


what's the biggest integer that can not be made up by 6, 9, and 20?


When to use Ambient occlusion in Blender Render?


How to assign a string value and then print the string with quotations


How to find time complexity of an algorithm


being "ia" an integer array, printf("3[ia]:%d\n",3[ia]); WHY it works?

With arrays, why is it the case that a[5] == 5[a]?


C# Constructor Use Private/Public Fields

OO Design - do you use public properties or private fields internally?


If $f$ satisfies $|f(z)|\le |f(z^2)|$ then $f$ is constant

If $|f(z)|\le |f(z^2)|$ then prove that $f$ is constant


How can I convert a dictionary into a list of tuples?


Why is the rescaled sample SD Chi distributed?

Why is the sampling distribution of variance a chi-squared distribution?


Assume that Y is compact. Prove that f is continuous.

Prove that if a function $f: X\to Y$ continuous then its graph is closed


How to write text containing $var to a bash file?


Flathub is telling me do something for LibreOffice. And i honestly don't know how to do it

"error: XDG_RUNTIME_DIR not set in the environment." when attempting to run nautilus as root


Is “a choice between one of two options” grammatically correct?

Is  "choose from one of four options" wrong?


Why Hawking radiation emission rate inversely proportional to black hole mass?

Why is the intensity of Hawking radiation dependent on the size of the black hole it comes from?


CSS hover code is not working on Firefox


I have a US B-1 visa and am planning to transit via Seattle to go to India from Canada

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


More examples of Simpson's Paradox, barring the ones on Wikipedia, Titanic, and delayed flights.


Evaluating $\lim_{x\to 1^{-}} \prod_{n=0}^{\infty} \left (\frac{1+x^{n+1}}{1+x^n}\right)^{x^n}$


Word to define person with bad social skills

What do we call a person who cannot read people?


Sublime Text 2 - Link with Editor / Show file in sidebar


Surface area calculation of sphere segment.


iOS find out when a user closes the app from the background?

iOS how to detect when app was removed from process


Rdp through internet, one public ip, few computers

Using Remote Desktop to connect to different computers behind same IP


PHP loop: Add a div around every three items syntax

PHP: How do you determine every Nth iteration of a loop?


How do I get a YN560 III flash to work on a canon 4000d camera

Canon EOS 4000D Hot Shoe for Sync (with Studio Flashes)


Returning the response from an Jquery AJAX call

How do I return the response from an asynchronous call?


Showing $a \le b$ if $a \le b+\varepsilon$, for all $\varepsilon \gt 0$

Intuition: If $a\leq b+\epsilon$ for all $\epsilon>0$ then $a\leq b$?


How to decline a specific day but accept all others in a recurring Outlook meeting?

In Outlook, how do I give one instance of a recurring meeting to someone else?


a most talented writer - why not "the most talented writer"?


Python 3 module import error from another folder


Construct an Injection between the set of rationals $\mathbb{Q}$ and the set of all integers $ \mathbb{Z}$

How to prove that $\mathbb{Q}$ ( the rationals) is a countable set


C# generics limited to a certain functions overloads

Is there a constraint that restricts my generic method to numeric types?


Ubuntu 18.04.03 installer tries to mount a drive, fails, drops into initramfs

Mounting /cow on root failed: Invalid argument overlay mount failed


Global variable on servlet. is global for all sessions, or only for the current session?

How do servlets work? Instantiation, sessions, shared variables and multithreading


Print without a newline between two strings


Wifi Enable/Disable on Jailbreak iOS devices

How can I enable and disable WiFi connectivity with a jailbroken iOS device?


How to mount this internal drive as a permanent location?


Will staying in Northern Cyprus cause problems for later travel in the EU?


Remove duplicate objects from a list using LINQ in c#

Remove duplicates in the list using linq


Steam missing package libcurl3.7.34 on ubuntu 14.04 64bit?

Unable to correct problems, you have held broken packages


How to close javascript dropdown menu by clicking anywhere?

How do I detect a click outside an element?


How do I install Popcorn Time from the new Yify Github?


How do I change the font colours for grub?


How to pass a function with some (but not all) arguments to another function?


Can the Maverick hat be made a silver badge?

Should we make the Red Baron hat trigger a permanent badge?


empty dictionary as default value for keyword argument in python function: dictionary seems to not be initialised to {} on subsequent calls?

numpy array subclass unexpedly shares attributes across instances


preg_replace only replaces first occurrence then skips to next line

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


Give each site a parallel site for polling, recommendations and subjective-ish stuff


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


Understanding proper classes vs sets: why the set of all cardinal numbers cannot exist?

Cardinality of a set that consists of all existing cardinalities


How do you pronounce the word "married"?

How are 'marry', 'merry', and 'Mary' pronounced differently?


Bibliography Author names out of order and with no Comma

How to properly write multiple authors in bibtex file?


Apache httpd won't stop doing reverse DNS requests for clients' IPs


Software which compiles scripts automatically


Is it possible to remove the label on lightning:namespace components?


Getting "apt-get update does not have a Release file" and "Failed to fetch "during `apt-get update`

How do I get `apt-get update` to work on a machine with no internet access and manually assigned IP address?


How to create text input field with Blender Python API?


Why ignore the denominator of bayes rule?

Why Normalizing Factor is Required in Bayes Theorem?


Sequence of words in the non-question sentences


The reason of closing vote is missing when there is an audit


Throttle network bandwidth per application in Mac OS X - 2016 version


How can I remove fonts that I never use, from libreoffice and linux in general?


What does Linux do with existing files in a mount point?


What is the minecraft command to kill all mobs except players and villagers?

How do I select all but two types of entities in Minecraft with the type selector?


Describing a group of children - year or years, old or olds

"a ten years old boy" or "a ten year old boy"


Closed form formula for $\sum\limits_{k=1}^n k^k$


France business visa rejection twice , should I apply again

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


How do I resolve unmet dependencies after adding a PPA?


Definition of "Universe of Discourse" and Definition of "Set"


How did Severus know where the Cloak of Invisibility was?

How can they see Harry's invisibility cloak when they are not wearing it?


How to get bokeh effect using compact camera?

How do I find a point-and-shoot camera specifically for bokeh / a very shallow depth of field?


History of commands run by user after logging into root

How to log commands within a "sudo su -"?


What is difference in .value="somevalue" and set(value,"somevalue") in html?

What is the difference between properties and attributes in HTML?


Discuss the continuity and differentiability of $e^x$?

How to show that $e^x$ is differentiable?


Calculate Lagrange Points between Sun and Earth


Calculation of $\lim_{n\rightarrow \infty}\frac{n!\cdot e^{n}}{n^n\sqrt{n}}$

Evaluation of $\lim_{n\rightarrow \infty}\frac{n!\cdot e^n}{\sqrt{n}n^n}$ without stirling approximation


How to install Docker Ubuntu 18.04 with https proxy error

apt-get update failed because certificate verification failed because handshake failed on nodesource


How to lower case a Visual Studio Code Snippet variable?

Formatting Literal parameters of a C# code snippet


How to solve and see resolution of $13^{53} \pmod 7$ using Fermat little Theorem?


Blender 2.90.1: HDRi rotated and repeated

Blender is not rendering an HDRI properly


Xcode Simulator: how to remove older unneeded devices?


In-depth explanation of the difference between "will" and "going to"?


Individually labeling plots generated by Map


Date transformation for KNN to get distance


Why Can a Skydiver Hit the Ground and Be Killed?

High speed does not kill. Does acceleration do it ? or jerk?


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


One word for something belonging to an era


What's the main difference between int.Parse() and Convert.ToInt32


How to get permission for editing fstab file in debian


How do I convert two lists into a dictionary?


How can i make a poster background like this in Adobe AI?

How can I create a background pattern with small, cartoon-like, hand-drawn stencil images?


Where does Google Chrome for Linux store user specific data?


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


If A and B are square matrices and the product is invertible is A necessarily invertible?

Prove that if $AB$ is invertible then $B$ is invertible.


Java 8 - Convert to java.util.Map from Stream Object

What is the difference between public, protected, package-private and private in Java?


Book about people finding out they are on some kind of space 'ark'

A sci-fi book or TV show about a tribesman discovering he or she actually lives in a huge spaceship


Switch case inside a loop inside a switch case


how to reference a variable in an anothere script

How to access a variable from another script in Unity c#


Lower bound for complex polynomial beyond circle or radius R

For a polynomial $p(z)$, prove there exist $R>0$, such that if $|z|=R$, then $|p(z)|\geq |a_n|R^n/2$


how to connect both wifi and ethernet at the same time in kali linux

Default route in debian with two interfaces


How to pass full user name to saslauthd from postfix

Postfix + sasl method rimap strips domain name from user


Checking multivariate normality in linear regression using R

Multiple Regression, Normal distribution and Normalization


Trying to check if a number is a palindrome through the use of strings

How do I check if a number is a palindrome?


Use scp to transfer a file from local directory X to remote directory Y


Better Entanglement Explanation Required

Why is quantum entanglement considered to be an active link between particles?


Where can I compare airfares *including baggage fees*?

Are there any flight price search engines with baggage allowance included?


Run program through terminal with custom name


I have been denied a visa several times in a row. How does one deal with such serial refusals?


Best practice for package creation when importing packages with functions of same name

Importing two functions with same name using roxygen2


audio - how to output guitarix sound to built-in headphones

How to use JACK and Pulseaudio/ALSA at the same time on the same audio device?


Proving that $X^n-a$ is irreducible if $a$ is no $p$-th power for any prime $p$ dividing the degree diving the degree


What do you call someone when they don't believe in something then they believe in it when they see it themselves?

Word or phrase for "one needing to see it to believe it"


How to type curly braces on an Apple keyboard with BootCamp, running Windows 7?

How to make braces with Apple keyboard in Windows?


When will series $\sum\limits_{n = 1}^\infty {\frac{{\cos nx}}{n}} $ converge?

Is series $\sum_{n=1}^{\infty}\frac{\cos(nx)}{n^\alpha}$, for $\alpha>0$, convergent?


How to create a custom string representation for a class object?


Minimize $\frac{1}{2}\sum_{i=1}^p (y_i-x_i)^2$ such that $\sum_{i=1}^p y_i - 1=0$ and $\forall i \in [\![ p ]\!]: -y_i \le 0$ by KKT method

How to minimize $\sum_{i=1}^p (y_i-x_i)^2$ with constraints $\sum_{i=1}^p y_i - 1 =0$ and $\forall i=\overline{1,p}:-y_i \le 0$?


When to use the Wilcoxon rank-sum test instead of the unpaired t-test?


JasperReports unable to export PDF files

Why am I getting a NoClassDefFoundError in Java?


Why are topologies that give different limits nonequivalent?

How convergence relates to equivalence of norms


Is first authorship a big deal (in terms of highlighting it on CV, etc.)?


Starting to learn java,program doesn't work as expected


Can I get a SQL Injection by checking how many rows my database has?


Problem in installation of gedit in Ubuntu18.04 LTS on Windows 10


How to Plot a function that returns multiple values?

Plotting the components of a function that returns a list in different colors without redundant evaluations of the function


Null pointer exception error when trying to start swing timer?

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


How to delete a single cached username from Chrome?


Let $H$ be a subgroup of a group $G$ such that $x^2 \in H$ , $\forall x\in G$ . Prove that $H$ is a normal subgroup of $G$


Prove $\left|\int_a^b \phi(t) \ dt \right|\le \int_a^b |\phi(t)| \ dt$

Prove $\left| \int_a^b f(t) dt \right| \leq \int_a^b \left| f(t) \right| dt$


Valuation of a sum of elements strengthened

Simple property of a valuation on a field


Counting the adjacent swaps required to convert one permutation into another


Are Lorentz transformations linear transformations?

Interval preserving transformations are linear in special relativity


How to move a visible file to a hidden folder?


Calculating coupon collector problems without replacement. What is the probability of discovering all types for a given number of samples?


Virtual methods and static/dynamic alocation

Understanding C++ Virtual Methods of Instances Allocated on the Stack


What is the proper usage of "The... of..." and "A ... of ..."?

Are there any simple rules for choosing the definite vs. indefinite (vs. none) article?


Does a black hole evaporate by the time an observer reaches the singularity?

Does any particle ever reach any singularity inside the black hole?


What is the Big O compexity of this algorithm?

Big O, how do you calculate/approximate it?


Does Magneto have more powers in the movie X-Men: Days of Future Past?


In XCOM: Enemy Unknown, which types of scenery are destructible?

Is there a way to recognize destructible environment in XCOM:Enemy Unknown?


include .mov file in beamer presentation without embedding the file

Can we use media9 to show a video on a PDF but the video is not embedded to the PDF?


Don't show questions with ignored tags on Hot Network Questions


I want to get the list of python in the below format

How do you split a list into evenly sized chunks?


What is the best way to generate fake noncircular data?

Cholesky versus eigendecomposition for drawing samples from a multivariate normal distribution


Allowing `sudo su` without password over Ubuntu

Allowing a user to use sudo without a password


Why do we prefer "Lagrangian and Hamiltonian mechanics " over the newtonian mechanics?


Can I use JQuery UI widgets in my website using online resources?

Downloading jQuery UI CSS from Google's CDN


Ways to circumvent the same-origin policy


change space between tabs, align environment


Random forest: Out of bag error increases with number of treees

Do we have to tune the number of trees in a random forest?


python get all submodules without having to define __all__


least modulus for a zero of an analytic function

Let $f(z)=\sum\limits_{n=0}^{\infty}a_n z^n$ be an analytic function in $|z|\leq R$ such that $|f(z)|\leq M$. Prove an inequality about $f$'s zero


VAADIN - User is able to login after logout

How to log out user from web site using BASIC authentication?


Please provide the possibility to retract a flag


How was US government able to collect Vibranium out of Wakanda given Wakanda was so protective about it?

Is there any reference where Captain America's shield is made from stolen Wakanda vibranium?


Does the maximally-extended Schwarzschild horizon see the entire past of the parallel universe?

Does someone falling into a black hole see the end of the universe?


$AB=BA$ and $A$ has $n$ eigenvalues. Prove $B$ is diagonalizable

Show that $B$ is diagonalizable if If $AB=BA$ and $A$ has distinct real eigenvalues


How can I add lines to document every four lines?


Would "Human Resources are excited or is excited" correct?

Are collective nouns always plural, or are certain ones singular?


How do I make my django application perform a job at a fixed time everyday?


Check if String starts with given characters regardless of upper case, lower case

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


OpenCV Python -> C++ : decimal digits precision and divergence

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


C++ Initializing Template Class on the heap error

Why can templates only be implemented in the header file?


How can I check a cell from JTable is empty or not before assign its value to a string variable

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


Is there a term for a shorthand word formed by pronunciation?


Installing Linux without affecting Window 7


Why does Meta Stack Exchange have its own chat server?


How to get the range where UILabel will truncate a text


Check SQL database if value exists and then return value if it does

How to check if a row exists in MySQL? (i.e. check if an email exists in MySQL)


Proof that a circle can be circumscribed around a quadrilateral

Leg bisectors in a trapezoid and angle equality


Using induction to prove a description of a formal language

Using induction for an easy proof for formal languages


Subtle Twist on the Monty Hall Problem---Does It Make a Difference?


What is the correct way to completely remove an application?


"grep string | grep string" with awk without pipe

How to run grep with multiple AND patterns?


How to use the Division Algorithm (polynomial rings) and evaluation map to prove the Remainder Theorem?

Are the polynomial remainder and factor theorems equivalent?


Show that $\ln(\ln(n))$ is not rational for all integers $n\geq2$

Is $\ln(\ln(n))$ irrational for any integer $n>1$?


Warning: file_put_contents(temporary://): failed to open stream


Do I need a Visa or some kind of permission for a layover/stopover in the USA as a German citizen?

Do I need a US visa to transit (or layover) through an American airport?


Evaluate the integral: $\int_{0}^{1} \frac{\ln(x+1)}{x^2+1} \mathrm dx$


Front derailleur takes 6 clicks to shift gears, instead of 3


Can't install libpng12 due to usrmerge. Can't run PacketTracer without it


Buying a canon 5d Mark II with 120 000 shutter actuations?

How many actuations are "too many actuations"?


How to resize image to custom dimension from URL in openpyxl?

How do I resize an image using PIL and maintain its aspect ratio?


Repairing Windows 8 Installation via Ubuntu

Unable to mount Windows (NTFS) filesystem due to hibernation


Emphasized Wrinkles, Freckles, and Dark Spots

How to enhance details (like freckles) in lightroom?


Group Theory innG is normal subgroup of autG

Inner automorphisms form a normal subgroup of $\operatorname{Aut}(G)$


How to run a java program from another java program?


How to update Wine to the latest version?


iOS using both cameras at the same time?

How can I use front camera and back camera simultaneously on the iPhone


What is the value of the series $\sum\limits_{n=1}^\infty \frac{(-1)^n}{n^2}$?


Overloading an operator in base and derived class


Stop Windows XP applications from stealing focus

Preventing applications from stealing focus


Can I create extensions in Java like I do in C#?


How do I move (copy) my entire Ubuntu system to a different hard disk?


My video (.mkv) thumbnails are green (or monochromatic)?


What are the best free schematic tools out there?


If I create a pygame, can I later convert it to a .exe for everyone to use?

How can I distribute a native executable for a Python program?


Convergence of $\sum \frac{a_n}{(a_1+\ldots+a_n)^2}$


Retrieving minimum width that contains specified fraction of all values


Why was there a need of defining spatial dimensions more than 3?


How do I start conky when ubuntu starts up?

How do I make a program auto-start every time I log in?


How would one *exclude* a tag from a page?

What do "watched tags" and "ignored tags" do?


How to calculate the minimum and maximum length of the 6th sample, using only measurement data of the first 5 samples?

Prediction intervals for a single random variable


Jquery doesn't identify the class as a selector

Event binding on dynamically created elements?


Difference between spin and polarization of a photon


How to enable file sharing between two PCs?

How do I set up file sharing between two Ubuntu laptops on my wireless network?


A non-blocking read on a subprocess.PIPE in Python


How to get client's IP address using JavaScript?


A finite field is not algebraically closed.

Why are polynomials defined to be "formal" (vs. functions)?


Is there a difference in disenchanting strong items vs. weak ones?


onActivityResult not called in fragment android

onActivityResult is not being called in Fragment


Finding total after percentage has been used?


Arrow Functions don't works. Regular ones do. Why?

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


Unable to uninstall apps for secondary account


Boot into Ubuntu from Windows and into Windows from Ubuntu

How do I set Windows to boot as the default in the boot loader?


How to check when Macbook was turned on first time?

Is there a way to get the date of the first boot of an old mac?


Where can I ask a question about setting up a WordPress blog?

Right place to ask a "discussion" question (I'm setting up a blog, what should....)


Java will not recognize "(" and ")" strings


Travelling as unmarried couple in Indonesia

Travelling as an unmarried Western couple in Indonesia


How to install a QGIS plugin when offline?


How will a 'fail' in a course affect chances at graduate school admission?

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


C# array.Contains function does not work properly for me


How does "crop factor" relate to the area of a sensor compared to full frame?

What is crop factor and how does it relate to focal length?


How to scale a video and change position

Resizing videos with ffmpeg/avconv to fit into static sized player


Is there a list of error codes for Minecraft?


How many $0$s does the number $30!$ have?

Derive a formula to find the number of trailing zeroes in $n!$


Oracle ORA-00979 - "not a GROUP BY expression"


Access to the off-topic sub-dialog again after voting to close

Seeing close-vote details if I've already voted


Good abstract algebra books for self study


Let $a^n, a^m \in (a^k)$ for some positive integer $k$. Then $k \mid n, m.$ Hence $k \mid \operatorname{gcd(n, m)}?$

$c\mid a,b\iff c\mid\gcd(a,b)$ [GCD Universal Property]


How do i find top journals in my area of interest?

How do you judge the quality of a journal?


How to check if object has property javascript?

How do I check if an object has a specific property in JavaScript?


Error Extra \else \include after using bibtex for each \include using chapterbib

\bibentry problem with chapterbib package


How to submit values by post using an action, method in Struts 2


Display custom rejection reasons in dialog

Suggested edit review should show custom rejection reasons


what is the "super" key for linux shortcuts?

What are the meta, super, and hyper keys?


Taylor series coefficients of general rational function

Dividing an infinite power series by another infinite power series


Can I use two 7805 ICs in parallel to get double current capacity?


Why didn't River recognize the 12th Doctor?


Delete all entities in Minecraft without launching the server

How do I delete an entity from the Minecraft world folder?


Special chart of a compact connected manifold.

For any smooth manifold, is it true that for any two points on the manifold, there exists a chart that covers the two points?


Why can templates only be implemented in the header file?


Is it possible to get identical SHA1 hash?


Reconfiguring TexStudio after upgrade to OS X El Capitan


How to do integral $\int\frac1{x^3+x+1}dx$?

How calculate the indefinite integral $\int\frac{1}{x^3+x+1}dx$


Is it wrong to use \clearpage instead of \newpage?


What are the differences between commands "t.sh" ". t.sh" "/t.sh" "./t.sh"?

What are the differences between executing shell scripts using "source file.sh", "./file.sh", "sh file.sh", ". ./file.sh"?


What is the sum that the square root button on calculator does so I can do it without the calculator button

Is there any simple method to calculate $\sqrt x$ without using logarithm


How do I display progress during a busy loop?


Who is Snoke and how did he come to power?

Is there evidence to suggest that Supreme Leader Snoke is Darth Plagueis?


Is it possible to hook a function every time an api attribute has been changed?

How do I invoke a value change handler in LWC?


Separability of a topological space implies CCC.

How to show that any separable space is CCC


Calculating minimum velocity of the projectile needed to hit target in parabolic arc


How often can I visit the USA on ESTA in one year?

How soon can I re-enter the USA having stayed for 90 days under the Visa Waiver Program?


How to approach newly found father's other family?

How to reach out to strangers that could be relatives from an illegitimate birth?


Why hasn't Music.SE's name changed on data.stackexchange?

Data dump, Programmers and Software Engineering


How do I autocomplete a user tag with a keypress, not a mouse click?

Tab name completion for comments please!


Phone numbers with regex (plus and spaces)

How to validate phone numbers using regex


Why is Nikon 1.4g better when Nikon 1.8g is sharper?

What image-quality characteristics make a lens good or bad?


ListPlot with plotmarkers determined by point


How do I resolve unmet dependencies after adding a PPA?


Windows: Atomically suspend an entire process?

How can I freeze the execution of a program?


How to pass TFS variable to a MSBuild task of the project

How to get BuildNumber in .proj (MSBuild) using TFS server


Sci-fi book where the protagonist works on an airship?

Zeppelins, altitude record and weird creatures


In C#, what is the best method to format a string as XML?


im trying to change the date format when im display the result

Convert one date format into another in PHP


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


Why are objects (such as planets) in motion and not static?

How does Newtonian mechanics explain why orbiting objects do not fall to the object they are orbiting?


How to exclude a specific warning while treating warnings as errors in Visual Studio

"Treat all warnings as errors except..." in Visual Studio


How to drop columns by name in a data frame


While loop in another while loop to echo data from SQL

Why isn't the second mysqli_fetch_assoc executing?


Youtube-dl stopped working- erorr signature extraction failed and no write persmission


Generalized binomial identity that converges to 2

Series of binomial coefficients: $\sum\limits_{n=k}^{\infty}{\binom nk}x^n=\frac{x^k}{(1-x)^{k+1}}$


How to assign keyboard functions for single right handed use?


Downvoting unpopular, but good questions into oblivion. Why? Can we fix it?

Voting on Meta is not just for (dis)agreement. Update the help center to reflect this


jQuery: select an element based on dynamically added class?

Event binding on dynamically created elements?


What is the "explosion" caused by Hawking radiation, and how do you calculate its strength?


When part of an object becomes the name for the whole

What is the difference between metonymy and synecdoche?


Where are some places to get reference images for modeling?


How to re-enable the systray (indicator panel) after latest updates


Custom Struct method can't set struct member

Why do Ruby setters need "self." qualification within the class?


RecyclerView: Null Object Reference at onBindViewHolder item.get(position)

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


How to increase precision: $MinPrecision does not help

Funny behaviour when plotting a polynomial of high degree and large coefficients


Should I embed images as data/base64 in CSS or HTML


Uncaught ReferenceError: Ajax is not defined onchange issue

How to fix Prototype conflict with Highchart?


What common materials absorb most infrared light?


What are some examples of commonly used practices for naming git branches?


Mathematical software for calculating Christoffel symbols, curvature, etc

Open source computer algebra systems for general relativity


Should we force users to have an actual question in their question?


How can I set a return URL for an edit link in Visualforce?


What is a word for the receiver of a notification?


What to use here, abstract class or Interface?

When to use an interface instead of an abstract class and vice versa?


How do I set up a background image for console?

How can I customize a full-screen console background (TTY)?


How could a gap between array modifier created objects be closed?


Facing NULL Pointer Exception In Java Aggregation

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


Monopoly: Can I Buy Properties Right Before I Go To Jail?

When rolling a third doubles, do you interact with the space you would land on?


Is there any way to change my login from a Gmail account to Stack Exchange?


How to format numbers as currency strings


How can I remove python 2.7 after installing python 3.3?


biblatex 3.0 apa undefined control sequence (\mkbibdateapalongextra?)


Plot graphs, shade areas and lines with Tikz

pgfplots fillbetween with multiple curves


How to use inflater method within the fragment

Call to getLayoutInflater() in places not in activity


How to read a properties file outside my webapp context in Tomcat

Where to place and how to read configuration resource files in servlet based application?


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


Ubuntu 'Videos' Application has 'Unknown' in Taskbar when Playing .mp4

How can I fix program icons that appear as a question mark in the Launcher?


Can we use NPM modules or libraries from CDN in LWC custom component

How to include and use an external CDN in Lightning Web Components?


Store the distance between records in a variable

Calculate distance between two places on accounts from a VF page


How to add a zero to the output of the String.length method if the length is less than 10?

How can I pad an integer with zeros on the left?


Why does Ubuntu keep saying unattended-upgrades could not be installed?


Resolve bash variable containted in another variable


How did Rita realized that she has lost the power?

How does Rita Vrataski find out that she lost her power to "reset" her day without killing herself?


Why is the network configuration I set in /etc/network/interfaces ignored on Ubuntu 17.10?


How to resurface questions that weren't answered

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


Transforming $0 = D u P''(u) - (D+G u)P'(u) + (G-Vu)P(u)$ to a standard form?

Transforming Differential Equation to a Kummer's Equation


how get length or size of Resultset in java

How do I get the size of a java.sql.ResultSet?


bad hour errors in crontab file, can't install


Get imaginary part of symbolic expression


Does increasing the magnitude of the pendulum angle cause its time period to be underestimated?

Show bigger amplitude of physical pendulum means bigger period


Proving convergence of a series and then finding limit

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


How to get my previous Hat on Winter Bash?

How can I see my previous winter-bash performances?


exception when trying to use a method in java

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


Do neutrinos not couple to the Higgs field?


Be $G$ a group of order $35,$ Prove at least $1$ Element lies not in a subgroup of order $7$

Order of $G$ is 35, are there elements of order 5 and 7 in G?


Maven Profile exclude/include directories

Change source directory in profile maven


What is the closed-form solution for the following problem?


appears unable to decide which of the two modes is the more attractive


Clip on ArcMap not clipping out the correct layer

Creating polygon feature class from area in one not covered by another using ArcGIS Desktop?


What is the correct use of hyphens and capitals in "Big Brother style pop competition"?

Is it correct to hyphenate with compound premodifiers? If so, where is the hyphen placed?


What is the solution to this graph question?


What's going on with the Announcer badge?


How to prove intersection compact problem?

Intersection of finite number of compact sets is compact?


Rules and guidelines for drawing good schematics


How to upgrade Ubuntu 13.10 (end of life) to Ubuntu 14.04?

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


Is it proper usage to replace a comma in a list with a semi-colon in this situation (see details)?


C++ Unresolved External on Class in Project

Why do I get "unresolved external symbol" errors when using templates?


Where does Ubuntu (or Linux in general) install its applications?

C:\Program Files folder equivalent on Ubuntu


Problems building article with oolatex and hyperref

Latex to ODF/DOC using mk4ht oolatex failing on equation arrays


How to make a bootable external hard drive and boot up a Mac?

How do I make a bootable USB OS X installer on a Mac?


Where do I start to create my own Ubuntu derivative?


Proof of $\sum_{i=0}^{k}{{n-i-1}\choose {k-i}}={n\choose k}$

proving combinatorics identity - $\sum_{k=0}^m{n-k \choose m-k}={n+1 \choose m}$


How to parse nagios status.dat file in .NET?


Proof that a rational is a repeating decimal.

How can I prove that all rational numbers are either terminating decimal or repeating decimal numerals?


Question related to trigonometric identities and ratios

Proving a fact: $\tan(6^{\circ}) \tan(42^{\circ})= \tan(12^{\circ})\tan(24^{\circ})$


Uninstall ubuntu linux/ Install windows 7

How to remove Ubuntu and put Windows back on?


Can Hot Network Questions honor tag filters?

Don't show questions with ignored tags on Hot Network Questions


How the speed of light is constant in the universe if it decreases in water and glass and some other objects?

What is the status of massless photons traveling through a medium?


C# Nullable Equality Operations, Why does null <= null resolve as false?

Why does >= return false when == returns true for null values?


Where to download models to run in ModelBuilder?


Reflection of light at a microscopic level


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


SharePoint app this page can't be displayed?

On-Premises Deployments for SharePoint 2013 Apps?


Why does not putting this code into a function cause a null pointer exception?


Two different definitions of locally compact spaces

Two definitions of locally compact space


Using particle accelerators for nuclear fusion

Could we use particle colliders as fusion generators?


How can it be that wizards Apparate into Hogwarts in the trailer to Fantastic Beasts: The Crimes Of Grindelwald?

Can Ministry officials Apparate inside Hogwarts?


In Hausdorff spaces, compact sets are closed

How to prove that a compact set in a Hausdorff topological space is closed?


Are there an uncountable subset of $\mathcal{P}(\mathbb{N})$ such that it has total order under the subset relation?

Finding an uncountable chain of subsets the integers


What did you guys just DO! Updates to both my 16.04 environs killed the desktops!


List of lists changes reflected across sublists unexpectedly


Why is matrix multiplication defined a certain way?


Question mark or bold citation key instead of citation number


Please help me relate two different definitions of the stress-energy tensor


it is of + noun - What does this OF mean?

"Photos of Someone" vs "Someone's Photos"


Uploading a 7 years old published conference paper on arXiv

Is it ok to put old papers on the arXiv?


Why doesn't $\sqrt{ab}=\sqrt{a}\sqrt{b}$ work for $a,b<0$?

Why doesn't multiplying square roots of imaginary numbers follow $\sqrt{a} \times \sqrt{b} = \sqrt{ab}$?


Check whether any feature classes in multiple gdb's has feature class representation

Error when clipping raster in QGIS: "'ascii' codec can't encode character"?


What are the specific differences between an "emulator" and a "virtual machine"?


How do you split a list into evenly sized chunks?


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


What is the advantage of rolling shutters, if any?

What is a rolling shutter? When do I have to be aware of it?


Is it possible to solve this limit without Hopital / Taylor / derivatives: $\lim\limits_{x \to 0} \frac{x-\sin(x)}{x^3} = \frac{1}{6}$?

Determine $\lim_{x \to 0}{\frac{x-\sin{x}}{x^3}}=\frac{1}{6}$, without L'Hospital or Taylor


Get the name of a parent function from an anonymous child function


Strange folder in my home folder after a failed run of BleachBit


Dynamic Memory Allocation Using Temporary Array


Kinetic Energy of Electrons vs Current in the Photoelectric Effect

Saturation current in photoelectric effect


Invoke a method when system clock hit 12pm

How to run a background task in a servlet based web application?


How can I determine if my device has USB Host Mode (OTG) support?


Error during tentative install/try many Ubuntu distros on Samsung Smart Ativ 500t

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


dpkg exit with error parsing file `/var/lib/dpkg/status`, what to do?


Why I am I getting a nullPointerException in this code?

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


Principal component analysis "backwards": how much variance of the data is explained by a given linear combination of the variables?


What's the difference between an id and a class?


How to Get only Shadows from a Collection in 2.8 EEVEE?


Is there a way to write custom fractions in this format: ½, ⅘, ⅞, etc.?

How do I typeset arbitrary fractions like the standard symbol for .5 = ½?


Jquery onclick function not working in mustache template

Event binding on dynamically created elements?


APA 7th edition in Latex by using the natbib and apacite

Is there a way to apply Apa 7th references and citation style in latex?


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


How to create an object with name from string?

How do I instantiate a class given its string name?


Why Pseudo/Fictious Forces act at centre of mass


Discrete Valuation Rings with property that $v(x+y)=\min(v(x),v(y))$

Simple property of a valuation on a field


Is a Dragonborn's breath weapon an attack action?

Can a Dragonborn with an Extra Attack use both their breath weapon and their melee attack?


Failed to download reposistory information

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


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


System.DmlException: Insert failed. First exception on row 0; first error: CANNOT_EXECUTE_FLOW_TRIGGER on a test class

Process Builder - Breaking Production Deployments?


Opening Esri Personal Geodatabase (*.mdb) using QGIS?


Beamer theme, remove navigation bar from one slide


R: loss of precision when POSIXct binding with datetime (sql server)

Odd behavor with POSIXct/POSIXlt and subsecond accuracy


Opening specific URL in a not-default browser no matter from where it's called from (without using Choosy app)

Force URL link to open with a specific browser


Second derivative of class $C^2$ expressed as limit


Automorphisms $\mathbb R\to\mathbb R$ with $\mathbb R$ as ordered field

Is an automorphism of the field of real numbers the identity map?


Double back slashes escape code formatting in comments (but not answers)

How do I format a backslash as code with backticks in comments?


How do I get the title of the current active window using c#?


C Linux - How to execute program from another program


How do I install MS Office 2016 on PlayOnLinux


Is correlation required condition for causation?


How to make an ImageView with rounded corners?


Does C# have an equivalent to JavaScript's encodeURIComponent()?


compress html and css of a page on click on button


if m,n are positive integers such that; $3m+n=3 lcm(m,n)+gcd(m,n)$

Find $a,b \in \mathbb{N}$ with $\mathrm{lcm}(a,b)=12\gcd(a,b)\,$ and $\,a\bmod b = 5$


How do I install Guest Additions in a VirtualBox VM?


login to a site using python and opening the login site in the browser

Python: How do you login to a page and view the resulting page in a browser?


"I can't write on file ..." when installing class from a .ins file


NullPointerException: Attempt 'void com.mobiledealer.dao.OrderDAO.insertOrUpdate(com.mobiledealer.model.Order)' on a null object reference

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


Side by side images (Centering subfloats and changing font)

How to vertically align 3 images with subfigure?


Install Windows 10 Home before paying for it

How long can I use Windows 10 without activation?


Derivative of Vectoral NDSolve Interpolated Function / Rule Solutions,/., and Vector NDSolve

General::ivar is not a valid variable when plotting - what actually causes this and how to avoid it?


Is there a hot key that automatically makes a group of vertices into a circle?


Weird choppy video on my new UHD monitor

How do I set up a 4K TV via HDMI to my PC? (Getting mouse/video lag)


What to do with private GoogleApiClient client;


SharedPreferences in non activity class NullPointerException


PHP files downloading instead of executing

PHP file gets download instead of getting executed when browsed in any browser


Easiest way to write the single char よ in math mode

How to write a single Hiragana character in latex


HTML Validation pattern for any Aplha Character (including special chars like üöä) hyphes and spaces


Why does the material tab has a different layout?

Why does my material panel look different?


Why is there no bijection between the set of all sequences whose elements are the digits $0$ and $1$ and the positive integers?

What is wrong with this bijection from all naturals to reals between 0 and 1?


The limit of a sum $\sum_{k=1}^n \frac{n}{n^2+k^2}$ as $n\rightarrow\infty$


How to get a servlet request attribute from an included one?

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


Clip vector on Geoprocesing QGIS 2.18.13, global name 'features' is not defined


What is a good way to get rid of fireflies in renders? (cycles render)


Author year citation style with manually created \bibitem entries

Package natbib Error: Bibliography not compatible with author-year citations. ...mand\NAT@force@numbers{}\NAT@force@numbers


Unable to set request character encoding to UTF-8 from context

Unicode input retrieved via PrimeFaces input components become corrupted


If $a$ and $b$ are positive real numbers such that $a+b=1$, prove that $(a+1/a)^2+(b+1/b)^2\ge 25/2$


How to split up a Python application without relying on global variables?


Given $A$ and $B$ positive-definite matrices and $Q$ unitary matrix, prove that if $A = BQ$, then $A=B$.


Debugging NullPointerException in OpenJDK - Inside Sun Classes & During Shutdown


Android Google Map NearBy Place - java.lang.NullPointerException: CameraUpdateFactory is not initialized


Problems with referencing to tables A1, A2 etc in appendix(with IEEEtran class)

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


Java using printf to format output of array

Java displaying array one by one by using indexes


Update MacbookAIR Firmware without original hard disk

Upgrading MacBook air from 10.6.8 to Sierra


How to render a PNG-file on the screen with SDL?


Can Lightning Lure pull a creature through a friendly or enemy creature's space?

Can a Druid pull a target through other creatures with Thorn Whip?


How can I remove malicious spyware, malware, adware, viruses, trojans or rootkits from my PC?


How to distribute proprietary Mathematica code


The Boundary of a Simply Connected Compact Set

Is it true that a boundary of a simply connected and bounded set is connected in $\mathbb{C}$?


Could the machine from Contact be used again?

Why couldn't Ellie's experience be corroborated by simply re-using the machine?


How to prove that the set of rational numbers are countable?

How to prove that $\mathbb{Q}$ ( the rationals) is a countable set


Why can't we use set(setter) without a get(getter)?

Apex Controllers: What do the get; set; do?


Random numbers created when doing arithmetic's on float in c


Copy Text Variable to Clipboard with Pure JavaScript

How do I copy to the clipboard in JavaScript?


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


InnerJoin Query giving "Failed to enable constraints" error

Failed to enable constraints. One or more rows contain values violating non-null, unique, or foreign-key constraints


Null pointer exception when trying to pass a customAdapter?

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


Inner products and notations of orthogonality

If $\{v_1, v_2, v_3\}$ is an orthonormal basis of $\mathbb{R}^3$ and $v = a_1v_1 + a_2v_2 + a_3v_3$, can we have $|a_1| > 3$?


Controller area network arbitration with same message id

Same priority for masters in a CAN network


Proving $ \binom n 0 ^2 + \binom n 1 ^2 + \dots + \binom n n ^2 = \binom { 2n} n $ without induction


How to convert Local time to UTC time in Delphi? and how to convert it back from UTC to local time?


Is it possible to save the ISO, aperture, and other settings along with the image?

How can I see the photo settings like f-stop, ISO etc. of a image?


What is the argument selector tracking a defined score (not [score_min=])?


SQL to find records that don't have a type of record in a different table

Find records from one table which don't exist in another


Prove that edge coloring produces a cycle with all edges having the same color

Prove that a graph with the same number of edges and vertices contains one cycle


A formula for determinant of symetric matrix whose off-diagonal entries are $-1$

Determinant of a specially structured matrix ($a$'s on the diagonal, all other entries equal to $b$)


How to fetch the nested json data in apex

Invalid conversion from runtime type ERROR


How to vertically center text next to image?


Bash script - store stderr in a variable

How to store standard error in a variable


Creating object of non pointer type in C++


Ubuntu 16.04 + Windows 10 Hibernated = no OS

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


AMS align / Align multiple “=”, too much space


Output If Backwards String Is True or False


Why theses two calls to map returns different value?

Why does parseInt yield NaN with Array#map?


How can I keep only rows with a certain name in R?


Regular Expression for characters but number and space optional using asp.net web forms


I cannot delete a file, since its path is too long

How to delete directories with path/names too long for normal delete


How to boot from non-Ubuntu live ISO images like Fedora or CentOS?


Can I easily update all local git branches from remote branches simultaneously?

Can "git pull --all" update all my local branches?


tell me where I am or where am I? In this situation

Can a dependent clause undergo inversion in English?


How to prove $\sum_p p^{-2} < \frac{1}{2}$?


Let $n > 1$ be a natural number and $p$ be a prime such that $p\mid n^3-1$ and $n\mid p-1$. Prove that $4p-3$ is a perfect square.

Prove $4p-3$ is a square knowing that $n\mid p-1$ and $p\mid n^3-1$, $p$ prime


How to refer to your blog when answering?

How can I link to an external resource in a community-friendly way?


How can I achieve colour overlay effect in PS?


How can I derive an ed25519 key pair from a secp256k1 key pair?

Can you derive ed25519 keys from secp256k1?


Sort and uniq format to thousand separator


cocoa OSX: file path from fileSystemFileNumber (programmatically)

Is there any function to retrieve the path associated with an inode?


Installing Antivirus on Hyper-V Guest and Host Systems

Does the Virtual PC XP Mode need safety measures?


Why does this work in firefox and chrome, but not IE8

CSS adjacent sibling selectors - IE8 problem


Manga: magic user gets reincarnated as his descendant


geolocation in IBM worklight (google map api)

How to display a Google Map on Worklight App


How to display a maximum of 200 characters from string

How do you pull first 100 characters of a string in PHP


How did Doc travel to 1885 if he wasn't travelling at 88 mph?


Find folders with greatest disk I/O or disk changes

Time Machine - List of Files that were backed up


How to Make up for Mediocre STEM GPA? Will Postbac Help?

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


Is any group the group of units of some ring?

Is every group the unit group of some ring?


c# Data Type That Represents Ranges Of Integers

Is there a C# type for representing an integer Range?


Custom entity datetime field in calendar


Can a character use a luck point to affect a roll that was replaced by Portent?


Question from number theory related to GCD

Prove: If $\gcd(a,b,c)=1$ then there exists $z$ such that $\gcd(az+b,c) = 1$


How to do matrix operation if the first matrix is an operator?

Computing with matrix differential operators


nullpointer execption on samsung Galaxy note3

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


Realistically, does the i.i.d. assumption hold for the vast majority of supervised learning tasks?


Find the constant $k$ from the determinant


@future method fired from trigger - order of execution

Can future execution start before the synchronous execution is completed


Draw a circle surrounded by numbers in TikZ

How to generate n points over a circumference and choose label and color


Mac won't boot up using Bootcamp after trying to resize partitions

I think I messed up the Fusion Drive on my 1TB iMac (with BootCamp)


Calculate limit of $(1 + \frac{1}{n^2})^n$

Test $f_n = (1+\frac{1}{n^2})^n$ for convergence and give its limit if it exists.


How can you change the href for a hyperlink using jQuery?

How to change the href for a hyperlink using jQuery


What is the most appropriate data type for storing an IP address in SQL server?

Datatype for storing ip address in SQL Server


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


I just posted on a closed question on the iOS app

Submitting an answer to a closed question


How to use getter and setter for Custom classes with array and how to handle crash due to null during json parsing

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


iphone: what libraries or APIs need to be used for CPU , RAM usage in iPhone


connecting multiple led strips to a single DC power supply

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


Why is my input incrementing by more than one from this jQuery statement?

Event binding on dynamically created elements?


How to remove iCloud account from used iPhone?


Would it be useful to be able to vote for Canonical answers?

Another take on canonical answers: Add a "canonical" vote


Is it theoretically possible to construct a string that contains its own hash value?


Icon about comment edits is shown, even though this comment has no edits

Edited answer converted to a comment produces "no edit history found for this comment" message


Can I have multiple background images using CSS?


Ubuntu 17.10 freezing on suspend and won't shutdown

kworker blocked for more than 120 seconds Ubuntu 17.10


Are there $2^{\aleph_{0} }$ sets of natural numbers such that each two have finite intersection

Prove the existence of some weird family of sets


How to set the -D java option in Eclipse IDE?

how to add command line parameters when running java code in Eclipse?


How to put a legend for \cellcolor{blue!25} in my table caption?

putting a tikzpicture inside a \caption{}


Can you play pen & paper roleplaying games over the Internet?


Add number of badges earned on Badges page

Suggested improvements to badges index page


Arraylist returning null after trying to add items


Filedrop only works if alert statement is included in function

Javascript function only works if there's an alert


prove x/(x^2 + 1) is continuous at x = -1 using the definition of continuity

Prove that the function $f(x)=\frac{x}{x^2+1}$ is continuous at $x=-1$.


2018 Macbook Pro 3 Display Set Up - HOW?

Connecting 3 monitors to macbook pro 2018 via thunderbolt 3


The Taylor series of the squared logarithm


How can delete "games" from the Steam library?

How do I remove a Steam game from my library?


What are the diffrence between the quality of top 20 universities PhD programs over top 70s for USA?

University rank/stature - How much does it affect one's career post-Ph.D?


Surjective Homomorphisms of Isomorphic Abelian Groups

Surjective endomorphism of abelian group is isomorphism


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


False proof that $ρe^{iθ} = ρ$ and so complex numbers do not exist?


Solving The Differential Equation $\frac{dy}{dt} = \frac{at+by+m}{ct+dy+n}$ where $ad=bc$.


Do I need transit visa in Moscow while travelling from Guangzhou, CN to Vienna - VIE]

When transiting Moscow (SVO), citizens of which countries need a transit visa?


Spaceship crew looking for newly discovered planet, with a vampire on board while Earth goes dark

Which novel involves vampires, burning satellites, space travel, and body modification?


Cannot open adobe reader on Ubuntu 12.10 64bits


scatterplot using mysql data in jfreechart

scatter plot in jfreechart from database


Difference between checking the value of an object's property and checking if a property is in an object

How do I check if an object has a specific property in JavaScript?


Disjoint axis-aligned rectangles in the plane

Countable or uncountable; family of disjoint triangles?


Node.js - promise or callback for a Mongoose async findOne?

Why is my variable unaltered after I modify it inside of a function? - Asynchronous code reference


Is there a config file stores the system shortcuts?

Where are keyboard shortcuts stored (for backup and sync purposes)?


Minecraft Crash: Insufficient memory..."

Is there a list of error codes for Minecraft?


Using TP4056 module to charge battery while load remains connected


How can I make a Random Number Generator with vanilla redstone?

How can I randomise the output of a redstone circuit?


The scancode shown by dmesg is different from that from showkey

Capturing key input from events device and mapping it (toggle TouchPad key is unmapped)


How to shred deleted files to prevent data recovery?


Reposition toolbox to right side in blender 2.9?

Moving the Properties Shelf to the right of the UI


Installed Ubuntu 16.04 alongside windows 10 but my pc only runs windows

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


Do there Exist Proper Classes that aren't "Too Big"


Where can I find a mapping between Ubuntu release and exact Ubuntu kernel version(not just mainline) with which it was released?

List of Ubuntu Versions with Corresponding Linux Kernel Version


Which references should I use for the following topics in Waves and Optics?


drush/drush dev-master requires codegyre/robo ~1.0.0-beta1


Pass by reference or pass by copy - Ruby Modules


Difference between "on .. and" and "on .. where" in SQL Left Join?

What's the difference between where clause and on clause when table left join?


ArrayList.get() returns pointer not value?

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


How do I enable Ctrl-Alt-Backspace to kill the X server?


If $(Tx \mathbin{|} x) = 0$ for all $x$ then $T = 0$


Date.today and Date.yesterday are the same but not in console

Why does Date.yesterday counts as Date.today also?


Why is a purple light/texture appearing in rendered view?

Why are all the textures in my file pink?


Displaying Unicode characters in local web page using Bash

How do you echo a 4-digit Unicode character in Bash?