How do I switch between multiple JPanels on one main JPanel with a JButton?

How do I change JPanel inside a JFrame on the fly?


Should I install an OS using UEFI or BIOS (legacy/CSM) boot mode?

What is the difference in "Boot with BIOS" and "Boot with UEFI"


What are junction points for files (instead of directories)?

what is the difference between a symlink , junction , hard link and so on?


Should "a" vs "an" be chosen based on an expanded abbreviation?


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


Difficulty checking for existing user registration php/mysqli

How to prevent duplicate usernames when people register?


Notify me when a question receives an answer

Get a notification when new answers are added to other people's question


How/why is Yongnuo allowed to copy Canon?

Are the Yongnuo clones of Canon flash equipment and lenses legal to sell/buy?


Do vacuum bubbles exist in theories with normal ordered Hamiltonian?

Calculating Green's function from Dyson's series without normal ordering


The downvote button doesn't give the right error message

Voting with less than 125 reputation points


Automatic detection of seasonality on a time-series


How do I disable volume/brightness popup?

How do I disable the volume control overlay?


What happens when you assign a (float x1, float x2) to a float r in C?


Counterexample to "if $f:A\to A$ induces the identity $\hat f:\operatorname{Spec}(A)\to\operatorname{Spec}(A)$, then $f=\operatorname{id}_A$"


Windows 10 on asus x44h touchpad scolling not working


$d(x_{n+2},x_{n+1})≤rd(x_{n+1},x_n)$ gives convergent sequence

Show that {$x_n$} is a convergent sequence if $d(x_{n+2}, x_{n+1})≤ rd(x_{n+1}, x_n)$


Git - move a folder with its history into another project

Detach (move) subdirectory into separate Git repository


while executing below code i'm getting NullPointerException

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


How to see if a variable name has been defined in Javascript

How can I check whether a variable is defined in JavaScript?


File transfer rate to USB stick is totally variable

Ubuntu copy dialogue stops at the last moment for a long time


Why am I getting this unexpected result in Eclipse console output? (String comparison)


For which $\alpha$ does $\int_0^{\infty} \frac{\sin(x)}{x^{\alpha}}\,dx$ converge?

For what values $s$ does $\int_{0}^{\infty} \frac{\sin x}{x^s}dx$ converge?


Prove that type question of Trigonometric Identities

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


Connection to a Microsoft Access database using Microsoft Visual Studio?

The 'Microsoft.ACE.OLEDB.12.0' provider is not registered on the local machine in 64 Bit Machine


iOS client crashes when attempting to reply to comment


no ubuntu gui after removing all python packages

Removed Python 3 and now Ubuntu Software Center, terminal and other applications don't work


ubuntu 20.04 can't install PacketTracert 7.3

Unable to install Cisco Packet Tracer 7.3 on Ubuntu 20.04


The remainders of the terms of a recursive sequence


Prove that either $(2^{10500} + 15)$ or $(2^{10500} + 16)$ is not a perfect square.

How to prove that either $2^{500} + 15$ or $2^{500} + 16$ isn't a perfect square?


PHP fetching all columns after a joined mysqli query

How to resolve ambiguous column names when retrieving results?


Prove $\mathbb{R}[X]/(ax^2 + bx +c) \cong \mathbb{C}$ if $b^2 - 4ac < 0$


parseFloat does not return accurate value in Javascript


Adding new objects in a list, all the objects look like the last one

How to avoid having class data shared among instances?


Do I need a visa for a layover in Germany if I have a type C Schengen visa for Spain?

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


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


Can I use Beetel 450TC3 as wireless router?

Can I use Beetel 450TC1 as wireless router?


Does allowing multiple answers by the same user make sense on the main site?

What is the official etiquette on answering a question twice?


Schengen visa appointments not available for 3 months. What are my options?


How to validate an email address using a regular expression?


Single person answer more than once for a question

Why is it possible to answer a question twice?


Can I bring my desktop computer as check-in baggage on a flight?

Flying with a desktop computer (as checked luggage)


Email Deliverability on Yahoo is very poor. Any suggestions please?

How to send emails and avoid them being classified as spam?


Get row-index values of Pandas DataFrame as list?

How do I convert a pandas Series or index to a Numpy array?


The number of ideals in the quotient ring $\mathbb R[x]/\langle x^2-3x+2 \rangle$

Find all ideals of $\mathbb R[x] / \langle x^2-3x+2\rangle$


Does symmetry and transitivity imply reflexivity for nonempty binary relation?

Examples and Counterexamples of Relations which Satisfy Certain Properties


Irreducibility of the standard representation of $S_n$.


Why does my shell script choke on whitespace or other special characters?


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


Why does my profile picture look stretched after uploading?


Possible to click on an object in the viewport and the object list hierarchy automatically goes to that object also?

Jump/Scroll to selected object in the outliner?


Unfortunately MyApp has stopped. How can I solve this?


pattern of moving electrons in wire under AC


Quantization of Angular momentum with Bohr model versus solving the Schrödinger equation


How can I save and edit local PC files using JavaScript?


What is the force between two charged objects when the space between them is partially filled by a dielectric medium?


\expandafter in the definition of vaerbatim

How does one append material to a token list?


Searching in a multi-dimensional array (PHP)


BigInteger compareTo vs subtract + signnum()

Java Integer compareTo() - why use comparison vs. subtraction?


Control cannot fall through from one case label ('case "1":') to another


Can I filter Google results to two specific domains rather than just one at a time?

Does Google have an || (or)? Particularly for searching particular sites?


Relationship between SVD and PCA. How to use SVD to perform PCA?


Asynchronous capture from a process output not working properly

C equivalent of autoflush (flush stdout after each write)?


How is observable universe so big if the universe is so young?

How can a quasar be 29 billion light-years away from Earth if Big Bang happened only 13.8 billion years ago?


bash: cannot create temp file for here-document: No space left on device


There is a bug in ubuntu (cannot find a medium containing a live file system)

Error when installing: "unable to find a medium containing a live file system"


R: Cut behaves strangely when converted to numeric

How to convert a factor to integer\numeric without loss of information?


Auto-Run disabled? should i be concerned with this error?


Prove that $\sin \theta=\frac{3 \sin \alpha+\sin^3 \alpha}{1+3\sin^2 \alpha}$ using given condition


How to increase 400 V to 1600 V? Or oscillate the 400 V for a voltage multiplier?


How can I get the difference between two lists?


dynamic MySQL table using php but javascript function only calling first row not others?


Can't figure out if I'm inputting arguments incorrectly or if there's something wrong with my code

Why can templates only be implemented in the header file?


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


Night portrait photography problem in lightning

How do I take a portrait at night with detail in the background instead of just blackness?


Isn't "You can only post once every 40 minutes" a new user restriction?


Java: Why isn't the if/else loop working after reading in the input? I've never had this problem before


Is it appropriate for a mod to use sockpuppets?

How should sockpuppets be handled on Stack Exchange?


Is there a word for a system that requires interaction from two persons before an event happens

The phrase for when: working in a group to divide responsibility and reduce malicious intent


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


Best place to see what Stack Exchange site is about?

How to find original community description


Blender interface has been incredibly slow since installation

Blender 2.78 with Windows 10 lags when interacting with the UI


How do I give players slowness if they have low health?

how to not commence a command depending on player health?


Login broken after 15.10 -> 16.04 LTS upgrade, related to NVIDIA driver

Graphics issues after/while installing Ubuntu 16.04/16.10 with NVIDIA graphics


How to save all data in all variables so that loading it is fast?


Something blocks Ctrl+Alt+left/right-arrow keyboard combination


What is the origin of the term "throw the book"?


Is it proven that breaking RSA is equivalent to factoring as of 2021?

Security equivalence proofs for breaking RSA


Command line to get rid of "residual config"

What is the correct way to completely remove an application?


Running a "Hello World!" ANSI C program on Android?

How do I build a native (command line) executable to run on Android?


failure in making bootable win 10 64 bit with woeusb

WoeUSB Error Code 256 with NTFS formatted USB


How do I conditionally include a file in a Sphinx 'toctree'?


Why is Visual Studio 2013 having trouble with this class member decltype?


Java: String immutability and operator ==


Samsung Galaxy S4 SCH-I545 official updates via Kies fails with: "Software update is temporarily unavailable. Try again later."


Application to create 3D figures for papers

Software to draw illustrative figures in papers


Where can I download an older version of Google Chrome?

How can I install an old version of Google Chrome


Read arbitrarily sized string from stdin?

How to read a line from the console in C?


What does the matrix $\frac{1}{n-1} X^{t}X$ represent?

Is there an intuitive interpretation of $A^TA$ for a data matrix $A$?


If I kill a caster with Mage Slayer does the spell still happen?

Does the Mage Slayer feat interrupt the triggering spell?


Detect target phone number on incoming call is it for SIM 1 or for SIM 2?


Latest intel video driver in Xubuntu 18.04?

How do I install the Intel Graphics driver in my system?


How to recover data from a formatted partition?


How to read Image (or other File) in a Servlet and encode it to base64


Identity concerning the gcd and lcm of three integers.

Prove $\gcd(a,b) \gcd(a,c) \gcd(b,c) \,\text{lcm} (a,b,c)^2=$ $\text{lcm}(a,b)\,\text{lcm}(a,c) \,\text{lcm}(b,c) \gcd(a,b,c)^2$


Can I associate my account with posts I made before registering?

How can one link / merge / combine / associate two accounts / users? (Anonymous / unregistered / cookie, or Google / Facebook / registered)


GROUP BY one column but not the other column within same table - SQL

Can I concatenate multiple MySQL rows into one field?


Conflict with package newpxmath and \accentedoperators


Prove that $\tan A + \tan B + \tan C = \tan A\tan B\tan C,$ $A+B+C = 180^\circ$


impact on hypothesis if t-stat is equal to t-critical value for one-tail two-sample t-test?

Do you reject the null hypothesis when $p < \alpha$ or $p \leq \alpha$?


As a Moroccan citizen travelling from Budapest to Morocco with a layover in UK for 8 hours do I need a visa to transit?

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


You should choose your Display Name when signing up


Finding the expected value of a nonnegative integer valued random variable

Show that $\mathbb{E}(T) = \sum\limits^\infty_{k=1}\mathbb{P}(T \geq k)$ for $T$ nonnegative integer valued and $E[T] < \infty$


How to stop BackgroundWorker on Form's Closing event to avoid RaceOnRCWCleanup error and to aovid form1 dispose before backgroundworker finish?

How to stop BackgroundWorker on Form's Closing event?


Fetch currency symbol from mysql database in php


Completely prevent installation of Python 2?

How to forbid a specific package to be installed?


Null pointer exception when recording samples through get.LineIn with Minim

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


Can I re-enter the US from Mexico with just a learner driving permit?

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


how to write in TeX "computer zero" with slanted vertical line on it?


VirtualDocumentRoot Setup For Local Development


What is the most efficient way to add rows and columns to a matrix?


In Windows 10, how do I boot directly into the login screen?

How do I kill the lockscreen after the Windows 10 anniversary update?


Suppress console errors with XMLHttpRequest

Suppress Chrome 'Failed to load resource' messages in console


How to handle a double click on a TabControl's tabs panel's empty space?


Where to get ubuntu linux kernel source package?

Where / which is the actual kernel source?


Can a sorcerer cast the same spell twice if enough spell slots are available?

Can a spell be prepared once and cast multiple times?


Why do particles have spins such as $1/2$, $3/2$, $5/2$?

What is spin as it relates to subatomic particles?


Should virus or illegal-activity related questions/code be allowed?

Policy regarding questions related to unethical or "shady" practices


How to report a possible bug in gij (GNU libgcj) version 5.4.0?


Compute $1 \cdot \frac {1}{2} + 2 \cdot \frac {1}{4} + 3 \cdot \frac {1}{8} + \cdots + n \cdot \frac {1}{2^n} + \cdots $

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


How can I reset all the bind keys in my Bash?


Arithmetic progression of four square number with the same common difference


android how to discriminate between smartphone or tablet


Need help finding the limit of this sequence.

If $2a_{n+2} \le a_{n+1}+a_n$, then $\lim \sup a_n \le \frac23 a_2 + \frac13 a_1$


SSH to a Windows 10 PC on a domain using public key authentication

Windows SSH server refuses key based authentication from client


How can I put an angle at this specific point?


spring security thymeleaf tiles No mapping found for HTTP request with URI

Why does Spring MVC respond with a 404 and report "No mapping found for HTTP request with URI [...] in DispatcherServlet"?


Running update-manager -d prompts to install 'Focal Fossa' development release. How can I force upgrade to the official non-development release

Is the "Final Release" a "Development Release"?


Preventing users from destroying their own questions

User seems to edit and flag own questions for deletions


Can't figure out what is taking up so much space

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


Is it possible to change the username more than once?

Is changing your name multiple times in Geometry Dash possible?


How to convert std::string to LPCWSTR in C++ (Unicode)


What is the current state of apple device (iPhone, iPod, etc.) support?


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


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


Alignment issue in 'Your Sites' section in the Android app


I'm getting a console screen when shutting down my Pop OS

How to read the shut down messages afterwards?


Windows 7 won't boot after side-by-side installation of Ubuntu 14.04.1

Can't boot Windows 7 after installing Ubuntu


How to install latest version of nodejs and npm on Ubuntu 14.04 LTS?

How to install the latest versions of NodeJS and NPM?


Is it allowed to change a question this drastically?

Change to question invalidates my answer, what to do?


Robolectric not handling getApplicationContext() correctly - NPE

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


How to do line optical illusion art effects?


Proof that every Principal ideal domain is Noetherian

Every principal ideal domain satisfies ACCP.


Am I the only one for whom SO has became the rubber ducky?

Beginning to ask a question on Stack Overflow actually helps me debug my problem myself


mv multiple files same dir without specifying same path or each

Quickest way to rename files, without retyping directory path


Is there a way to disable a laptop's internal keyboard?


What is the purpose of PostGIS on PostgreSQL?


Which GoT characters do not appear in ASoIaF?


function f1() is returning the address of variable k but as k is on stack so after parenthesis it should unwind variable k from the stack memory

Can a local variable's memory be accessed outside its scope?


Where should I ask my not so specific question?


Order discrete x scale by frequency/value


A word to describe not fully knowing someone fully?

Are there commonly used words to denote different gradations of friendship in English?


$\mathbb{Z}$ is not isomorphic to $\mathbb{Q}$

Prove that the additive groups $\mathbb{Z}$ and $\mathbb{Q}$ are not isomorphic.


Intersection of two principal ideals in an integral domain.

Is there a nice example of integral domain $R$ and $s,t \in R$, with $Rs \cap Rt$ not principal but lcm($s,t$) exists?


How do I identify this component? It just says 0 on it

How to identify this particular SMD component?


Making my calculator loop until the user tells it to stop?


How to read html element values from string which contains the html code

What is the best way to parse html in C#?


How to read a csv file and use the values as x and y points in blender?


Two factor Auth code sent to same device

Does iCloud Two-factor authentication send a code to the same device as a log in request?


Duplicate objects transformation applies to both objects


Referencing a .NET library from Ruby - Possible?


Lynx how to change blue background color


What is the difference of const and static const?


Is there any way to create watch on someone's activity in stackoverflow?


Youtube embedding doesn't work in HTTPS site


how can I create new XML file from existing database in PostgreSQL database using java


How to prevent an update to install on Windows 10

Stopping all automatic updates Windows 10


Why does a function call require the parameter name in Swift?


Sampling data to have specific mean and standard deviation

How to simulate data that satisfy specific constraints such as having specific mean and standard deviation?


Identify which apps on ipad belong to another account for which I do not have the password?

How can I tell which Apple ID has signed/purchased specific apps on iOS?


Does anyone know how to kill this unused secret boss/enemy?

Does anyone know where the third easter egg in Nintendo Nightmare is at?


Detecting presence of a scroll bar in a DIV using jQuery?

How can I check if a scrollbar is visible?


Count the size of the header without a calc?

Make a div fill the height of the remaining screen space


Can't understand the limit solution to $\lim_{n\to\infty}\sqrt[n]{2^n-n^2}$


How to troubleshoot this error when Ubuntu does not install on VirtualBox?

Ubuntu/Kubuntu 16.04.1 installation in VirtualBox


Meaning of undergraduate, graduate or post-graduate in US


Java: creating a new object with unknown type


How much electronics and other valuables can I bring duty-free when going to India?


Is "I just spent all my money" grammatically incorrect?


How to measure area of polygons generated from gps data in qgis?

How to calculate polygon areas and perimeters using QGIS?


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


Referring to an author of an academic paper whose gender is unkown

How should I address someone with a known name and unknown gender?


$Z(G\ast H)=\{e\}$ and $G\ast H$ is an infinite group


how to create static resources for jqyeryui

how implement the jqueryUI in visualforce


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


Passing javascript arguments via script src attribute

Get the query string on the called javascript file


Extracting sheet/pages from Excel XLXS file to Mathematica


Regular expression for mobile number error in case 1 1 1 1 1 1

How to validate phone numbers using regex


what is difference between Process Builder And Flow in salesforce

What is the difference between Process builder and workflow?


adding multiple elements to c++ vector at once

How do I pass multiple ints into a vector at once?


mod_rewrite to redirect URL with query string


Looking for strategy to resolve: Could not load file or assembly

How to enable assembly bind failure logging (Fusion) in .NET


Can I install an older version of Worklight studio?

IBM Worklight - Where to find previous releases


Define function without name and immediately call it

How can I create a local function in my bashrc?


Is it possible to change the order of icons in the indicator applet?


How open NTFS USB in Virtualbox using WIndows


Contracting with Levi-Civita (totally antisymmetric) tensor


Can I route programs to two internet connections simultaneously in Windows 7?

How to set up application-specific routing table on Windows?


Are elements in $A_n$ the squares of elements in $S_n$?

Characterisation of the squares of the symmetric group


How to transform with Guava, a List and List in another List?


Can I go to Paris with same visa used for my trip to Greece?

Does a multiple-entry Schengen visa allow visiting other Schengen countries later, without going via the issuing country?


What does 'shrink' mean in this sentence: "I don't talk about me like a TV show character would to his shrink"


Issues with sequential feature selection


What causes the 'Connection Refused' message?


Converting a list of lists of points to seperate y and x lists

Transpose/Unzip Function (inverse of zip)?


NullPointerException when creating custom card faces on a game?

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


How to set figure inline with section in ACM sig-Alternative template?

Keeping tables/figures close to where they are mentioned


how to hide a partition with active VHD?

Hide partition with VHD file during specialize or OOBE pass


undefined reference with a static instance

Undefined reference to static class member


quotient by contractible space and homotopy equivalent?

Is the quotient map a homotopy equivalence?


Is anybody able to show the clock in beamer?

Beamer: PDF presentation viewer to play embedded videos and show elapsed time


StandardSetController.getListViewOptions() only returning "All"


Supervisor discourages me from using a method he doesn't know. Can I work on it and publish it by myself?

I want to change my thesis topic (to the extent that the ethos is still in tact) but my advisor does not agree. What can I do?


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


Reputation and reputation graph out of sync

Reputation on graph doesn't match reputation on account


Icons in Gnome top bar misplaced and overlapping with applications

Update to 20.04: Missing icons and icon alignments


Why TeXnicCenter do not generate bibliography list?

Biblatex with Biber: Configuring my editor to avoid undefined citations


How to extract all pixel values in a raster file

Selecting all pixels from Pixel Inspector?


Proving that all sets of size n have $2^n$ subsets

The number of subsets of a set of cardinality $n$


Using articles before the subject of a sentence?

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


Why is the size of a list less than the size of the objects that comprise it?

How do I determine the size of an object in Python?


How to take derivative of a tensor leading to kronecker delta?


Computing the covaraince of two random variables given by a linear combination of samples drawn i.i.d from same distribution

Variance of a linear combination of vectors


Which is correct – "whoever" or "whomever" in this example?

What’s the rule for using “who” and “whom” correctly?


What happens when you put a +1/+1 counter on a planeswalker?

Can non-creature permanents have +1/+1 counters?


How to use manual partitioning during installation?


Is a function that has Holder order bigger than one constant?

Function on $[a,b]$ that satisfies a Hölder condition of order $\alpha > 1 $ is constant


Is $F$ continuously differentiable at $x=0$?

Differentiable but not continuously differentiable.


Separate numerator and denominator integral


How to download software from the Ubuntu app directory?

E: Package 'guile-1.8-dev' has no installation candidate this is an error i got


What order do triggered abilities happen in if multiple things trigger at the same time?


Was Russell's purpose in Principia Mathematica to formalize all the possible constructions of logic?

What did Whitehead and Russell's "Principia Mathematica" achieve?


- java.lang.NullPointerException - setText on null object reference

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


How do I install the Tor Browser Bundle in Ubuntu?


How can I prevent Ask Toolbar and Ask Toolbar Updater from installing when jucheck installs an update?

How can I prevent Ask.com Toolbar from being installed every time Java is updated?


As an Indian Citizen, can I use my b1/b2 visa after f1 visa period or will I have to leave US and reenter?

As a Canadian Citizen, F1 visa to a B1/B2: will I have to leave the US and re-enter?


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


Completely remove some strange iTunes-purchased songs


Unable to load Linux after Windows installation


How can I solve Null Pointer Exception error in Android Studio using Firebase?


Why was Snape known as the Half-Blood Prince?

Why was Snape called the Half-Blood Prince?


Compact convergence $\sum_{n = 1}^{\infty} f(z^n)$

show that $f(z)+f(z^2)+\cdots + f(z^n)+\cdots$ converges locally uniformly to an analytic function in the unit disk.


How to finish this proof using Cauchy-Schwarz inequality?


Best AF Fine tuning for Nikon D7000 lenses

What methods can be used to micro-adjust autofocus of a camera body to a particular lens?


Regular expression matching a given structure


Java: Make a String Integer if it is an Integer

What's the best way to check if a String represents an integer in Java?


Advice for an 18 year old about Investing?

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


Different text for network-wide suspended users on meta

Suspension reason shows on main, but not on meta


Status bar won't go away on scaled up version of iOS 7 app

iOS storyboard - Disable status bar on storyboard once


What are the pros and cons of setting my camera to lock exposure on half press?

What are typical situations where you should use auto-exposure lock (AE-L)?


What does a truncated distribution mean?

Truncated Gaussian distribution interpretation


Infinite loop when calculating compound interest


Arabic letters not showing correctly on website


Get lines until first matched pattern range

How to select first occurrence between two patterns including them


How can I tell what version of Windows Remote Desktop Protocol that I have installed?


getting error from recylerview when we try to set adapter in recylerview

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


Dolphin file manager interface looks outdated

How to set up Dolphin as default file manager?


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


How to replace an old version of Ubuntu with a newer one from USB/DVD?


Event binding on dynamically created elements?


Does assigning objects to null in Java impact garbage collection?


How do I get a random number with a negative number in range?

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


How to load multiple storyboard files depending on iOS version? (5 and 6)


How do I choose the best nonstick pan or coating, for high heat on an electric cook top?

How to select a good non-stick pan, price point wise?


How to curve the tops or bottoms of texts like this?

I want to warp text in a custom shape but I don't want it to be distorted


Installing Ubuntu on one of two hard drives


ssh to remote machine using shell script

Shell Script for logging into a ssh server


Set History Tracking missing from SFDX code

How to enable Account History Tracking in Scratch Org?


How to avoid showering twice when cycling to and from work?


Does deleting my own question or answer attract penalty?

How should self-deletes be evaluated in the question ban algorithm?


Why does Path.Combine ignore the first part of a ftp server path?

Why does Path.Combine not properly concatenate filenames that start with Path.DirectorySeparatorChar?


How to reverse the 4 bytes of an unsigned integer?

convert big endian to little endian in C [without using provided func]


Is $(2, X)$ a prime ideal in $\mathbb{Z}[X]$?

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


Prove that $2\sqrt{pq}$ is irrational, with $p$ and $q$ being primes and $p \neq q$

If $P$ and $Q$ are distinct primes, how to prove that $\sqrt{PQ}$ is irrational?


Prove that $A+I$ is invertible if $A$ is nilpotent


How To Debug Override finalize() Method In Java?

Why would you ever implement finalize()?


Can you create OpenGL context without opening a window?


In C#, why can't a List object be stored in a List variable


ListActivity : EditText.getText() on a null object reference using AsyncTask

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


Sorting a string vector based on an associated integer vector

How do I sort a std::vector by the values of a different std::vector?


How to find specific file between specific date ranges in a directory and its subdirectories

How to list files that were changed in a certain range of time?


progress dialog not work in fragment inside async task


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


Always leave two decimal digits after the dot

How do I display a decimal value to 2 decimal places?


Estimating VPS requirements for business shared hosting options

Can you help me with my capacity planning?


What is the difference between /a/ and /æ/?


"mammal exhibit" vs. " mammals exhibit" vs. "mammals' exhibit"


How does a woman prepare her body before becoming pregnant?

We're looking to get pregnant - what can we do to optimize our chances?


Why are tidal forces pointing away from the Moon?

Does Earth really have two high-tide bulges on opposite sides?


How to split subtables across multi pages?

Multi-page Figure with subcaption package


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


Showing a sigma algebra is the union of certain collection of sigma algebras


NullPointerException when executing query on SQLite Db in android

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


How to evaluate $\lim_{x\to0} \frac{(1+x)^{\frac1x} - e}{x}$ with Taylor series

How to solve this limit: $\lim\limits_{x\to0}\frac{(1+x)^{1/x}-e}x$?


i am using active admin but it comes an error couldn't find file 'jquery-ui'

rails active admin deployment : couldn't find file 'jquery-ui'


Android: "java.lang.NullPointerException: Attempt to invoke virtual method ... on a null object reference" when creating socket


Prove that: $x^x\cdot y^y \geq \left(\frac{x+y}{2} \right)^{x+y} $

Proving inequality $x^xy^y \geq (\frac{x+y}{2})^{x+y}$


Multiple curves plotted with different colours

How do you plot the same function with different options over different intervals?


java.lang.RuntimeException: Cannot find FacesContext (JSF 1.2 + Primefaces + Tomcat 6)

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Why did The New York Times use the present simple to describe a past event?

Why are news headlines in present tense if they refer to past events?


where to type command sudo apt-get install-f?


Will language-specific sites affect the user's contribution to Stack Overflow?

Do the benefits of having SO in multiple languages outweigh the risks involved?


Please help me to get my original account

How do I recover my Google account (or Gmail) password or username?


If photons have no mass, how can they have momentum?


Which is correct, "you and I" or "you and me"?


Let $X=\{0,1\}$ be equipped with the indiscrete topology; Why is every $f:Y \to X$ continuous?

Why is every map to an indiscrete space continuous?


How to smooth shade an object while retaining hard edges?


beforeunload() event to be triggered only when window/tab closed but not on any other condition

How can I override the OnBeforeUnload dialog and replace it with my own?


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


How to install linux-generic-hwe in ubuntu 17.10.1

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


How do I get permissions to edit system configuration files?


What are good ways to make pdflatex output copy-and-pasteable?


Probability distribution difficult exercise

Average Distance Between Random Points on a Line Segment


Do I need Windows License beside CAL for Active Directory

Can you help me with my software licensing issue?


How to insert table of contents based on chapters?


How can a non resident of US open a US Bank Account?

Can I open a US bank account even if I don't live in the country?


General mathematics for confidence interval in multiple linear regression

Obtaining a formula for prediction limits in a linear model (i.e.: prediction intervals)


How to calculate time difference in PHP and store the time difference in mysql database

How to get time difference in minutes in PHP


Is it okay to copy-paste answers from other questions?


"is" operator behaves unexpectedly with integers


Proving that the subspace topology only works for subsets of topological spaces

A variation on the induced topology (subspace topology)


Examples of categories from non-mathematical disciplines?

Applications of Category Theory Outside of Mathematics (the discipline)


How to install the latest versions of LAMP componanents

How do I install different (upgrade or downgrade) PHP version in still supported Ubuntu release?


Why is the square of a negative number positive?

Why is negative times negative = positive?


jsoup not working correctly inside asynctask with multiple if statements


Is sum of two square summable sequences is again square summable?

$\sum x_n^2$ and $\sum y_n^2$ converge, what does $\sum (x_n + y_n)^2$ do?


Do I need to delete the pointer in the loop here?


Do the columns of an invertible $n \times n$ matrix form a basis for $\mathbb R^n$?

If $A$ is an invertible matrix, then the column span of $A$ equals $F^{n\times1}$


Rename a file and add a part of the file as the suffix of the file

Powershell Rename Multiple Files with LastWriteTime Prefix


Java Array Copy and 2D Array Copy Confused

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


How to determine head height automatically


How to move files specified in a text file to another directory on BASH?

move file by list in file (with leading whitespace)


Travelling from Busan to Hanoi with EU passport. Do I need to show flight ticket out of Vietnam?

Do I need proof of onward travel when flying from Malaysia to Vietnam?


\setmathfont[range=\sqrt]{...} changes size of integrals

Spacing changes when using unicode-math range feature. Why?


Is there a map of Middle Earth during the second age?

Most accurate Map of Arda before Beleriand was lost


Given that $a,b \in \mathbb{Z}$ and are nonzero. Why is it that $\frac{a}{\gcd(a,b)}$ and $\frac{b}{\gcd(a,b)}$ are coprime?

Proving that $\gcd\left(\frac a {\gcd(a,b)},\frac b {\gcd(a,b)}\right) =1$


Why does vacuum have a nonzero characteristic impedance towards electromagnetic radiation?


Remove a child with a specific attribute, in SimpleXML for PHP


Get extension from filename like variable - Javascript - jQuery

How can I get file extensions with JavaScript?


How to convert java.util.Date to java.sql.Date?


Question about dividends and giant companies

Why does a company pay dividends at all?


How to setup wireless in a dell latitude D430?

Can't connect to wireless networks on a Dell Latitude D430


HTML: how to force links to open in a new tab, not new window

Open a URL in a new tab (and not a new window)


Prove rigorously: $x^2=2^x$ has exactly $3$ real solutions

How to solve this equation $x^{2}=2^{x}$?


Assigning value of a Vector3 to another Vector3

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


unable to use import the following System.Web.Services.WebService

can't find using System.Web.UI.HtmlControls namespace


Double data type not returning desired output in java


Kullback-Leibler divergence - interpretation

Intuition on the Kullback–Leibler (KL) Divergence


Comma after introductory words, phrases, clauses: unacceptable, obligatory or optional?


"downhill from there" - help to understand this joke

"It's all downhill from here"—meaning and etymology


Can't access recovery mode by holding shift

Grub menu at boot time... "holding shift" not working


Ubuntu 20.04 stuck at dev/sdb6 clean during boot

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


Is it okay to write i.e. at the beginning of a sentence?


how to get specific values from an array without removing their duplicates?

PHP splitting arrays into groups based on one field's value


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


If $\sum\limits_{n=1}^∞u_n^2$ is convergent, then $\sum\limits_{n=1}^∞\frac{u_n}n$ is absolutely convergent

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


What is time, does it flow, and if so what defines its direction?


Does the existence of magnetic field follow from special relativity and invariant of electric charges?

Does special relativity make magnetic fields irrelevant?


$G$ is a finite group and $T$ an automorphism of $G$ such that $T$ sends more than $\frac{3}{4}|G|$ elements to their inverse.

If $|\lbrace g \in G: \pi (g)=g^{-1} \rbrace|>\frac{3|G|}{4}$, then $G$ is an abelian group.


Why do Full Frame lenses and crop body lenses exhibit the same crop factor when used on a crop body camera?


Why a continuous function cannot map rational numbers to irrational numbers

Prove that continuous functions mapping irrationals to rationals must be constant


How are the scores calculated in Winter Bash's "Hat-Dash"?


Why is looping over find's output bad practice?


What is going to happen to my data after the upgrade?

How do I upgrade to a newer version of Ubuntu?


How can find image type without extension in php?


How to interrupt/revert the action called from controller.JS to Apex controller

Lightning Cancel Enqueued Server Side Action


WCF and DataContract on a complex type containing complex types

Can I add a WCF DataContract to a complex type?


Can a character use her movement to help someone else stand up?

Can you help a prone character to stand up?


Series expansion to lowest non trivial order over a list


Is Puerto Rico considered As USA for green card holder?

Is Puerto Rico domestic or international from the USA?


Python: TypeError: 'str' object is not callable (mssql)

TypeError: 'str' object is not callable (Python)


What is the definition of temperature, once and for all?

How is temperature defined, and measured?


how to not-delete-a-file with some-command  file.txt

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


What causes these "striped" streaks from light sources?

What causes these streaked rays from light sources?


How to get the hour, not the time/minutes/date, value in a batch file

How do I get current date/time on the Windows command line in a suitable format for usage in a file/folder name?


Vertically aligning cells in tabu environment

tabu m-column vertical alignment not working after package updates


Updating the value of null String in JAVA?

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


Get the second largest number in a list in linear time


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


Do the real numbers and the complex numbers have the same cardinality?


Resend password chosen by WP administrator?

Email user when password is reset by admin


How to open a webpage in Chrome from PowerShell script?

Open chrome and launch the settings page


Thinking of upgrading my 550D, should I go for 7D or 5D?


Derivation of Fermat's Principle from the Least Action Principle

How are classical optics phenomena explained in QED (Snell's law)?


Am I supposed to see notifications for comments on deleted posts?

Viewed, deleted comments staying in inbox


Obtaining PID of command earlier in Pipeline


Order of special linear group $SL_2 (F)$

How to calculate $|\operatorname {SL}_2(\mathbb Z/N\mathbb Z)|$?


How do I move child windows without moving or minimizing parent in GNOME 3?


Prove that $m^{\varphi(N)+1} \equiv m \pmod N$ when $N=pq$, p,q are primes.

Proof of $a^{\phi (n) +1} \equiv a \pmod{\! n} $ Carmichael generalization of Fermat-Euler's theorem.


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


How save Xrandr orientation change settings

How to run xrandr commands at startup in Ubuntu


Understanding managed beans/backing beans

Difference between managed bean and backing bean


How to find the Apple Push Notification Delivered to user or not from our server?


Going back twice required to return to search results in the tags view


What to do when a question could belong to multiple stack overflow comunities. e.g SO and Information Security?

Is cross-posting a question on multiple Stack Exchange sites permitted if the question is on-topic for each site?


Can I apply for a Schengen visa from a country in which I'm a student but not a resident?

Can a person residing in Singapore on a 5-month Employment Pass apply for a Schengen visa?


I don't understand what is within the brackets of some sample code


What is the Gravitational force between 2 bodies, when their centres of mass coincide?


How can I get a specific value from a JSON string in JavaScript?

Safely turning a JSON string into an object


Forcing area calculation into miles in QGIS (without changing the PCS)

QGIS Function editor calculate area after transform


Borg Nanoprobes and shapeshifters/changelings


Nav walker class error on WordPress update

Error: Declaration of MyClass::start_lvl() should be compatible with that of Walker_Nav_Menu::start_lvl()


How can I determine if an NPC is available for marriage?


Ubuntu 17.10: How to set default screenshot location?

Change the location of saved screenshot when screenshot taken by printscreen button in GNOME 3


Bitset with size unknown at compile time


C# optional parameters on overridden methods


Viewing link to flag summary when you have not yet helpful flags

If I have flagged a post, show me a "flags" link in my profile


Matching numbers with regular expressions — only digits and commas


Can I charge my laptop with a charger that has different specifications?


Identifying a resistor with a weird band combination


how to bind click dynamically added element with setTimeOut

Event binding on dynamically created elements?


British English / a strange way of using neither nor

"need not to be neither atomic nor ordered"


Xcode iPhone App - NSDate timeIntervalSinceDate problem - Unknown Cause - Please help!


can I install ubuntu for tablet on my galaxy tab 2 and where can I get it

What hardware does Ubuntu Touch support?


Is it possible to play Grand Theft Auto V Online cross platform?


I think printf broke my newlines in terminal

Fix terminal after displaying a binary file


Couldn't find list workflows under my workflows


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


How to write braces inside \sqrt[ in here ]{sth}?

LaTeX: optional arguments with square brackets


Find the parameter values satisfying conditions for all roots of an equation


How do I create this text style with multiple offset fill colours in Illustrator please?

How to recreate subpixel anti-aliasing like Windows Command Prompt


Merge two arrays as key value pairs in PHP


stackoverflows.ga has popups and aggressive adverts

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


Is it OK to replace links to cplusplus.com with links to cppreference.com on SO


Tweaking even/odd format and header format in a CUED Thesis Template


Python - How to scan if file is already existing or not?

How do I check whether a file exists without exceptions?


How to seperate multiple object in Array modifier

How can I use an array modifier to create individually manipulatable objects?


Is it possible to Pivot data using LINQ?


Will repeatedly applying a hash function to the prior result visit all possible hashes?

Can I retrieve a re-hashed (hash) value, for instance by additional hashing?


How put a math expression in chapter heading?


(Anti-)commutation relations of fermions in GUT

Fermions, different species and (anti-)commutation rules


Editing Folder permissions for var/www/html

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


How does R2-D2 not remember Yoda or Dagobah


Prove the sequence is Cauchy and therefore Convergent

Please help prove that $(x_n)$ is a Cauchy sequence if $|x_{n+1} - x_n| \leq Cr^n$


Actual size of an integer object in python

How do I determine the size of an object in Python?


How to put a shadow in all four sides of an image?

How to apply box-shadow on all four sides?


How to see that an application (e.g. notepad) is launched at a certain point in time on Event Viewer in Windows 10?

How can I get a history of running processes


Vertically center text in a table (tabular) contained in a circuitikz document


Achievements and Total Reputation doesn't match actual Reputation

My gained reputation for today is not showing up on the Achievements dropdown


Where should adverb "carefully" be placed?

Are there any rules on the positioning adverbs should take in a sentence?


How to show the directions (arrows in the graph) for a ParametricPlot


What is the ideal charging behavior for a new Retina MacBook Pro?

How often should I remove the charger from my rMBP?


Why is the alternative of fork() system call in python for windows?

What's the best way to duplicate fork() in windows?


Disable all select options on page with specific value - Javascript

How do you select a particular option in a SELECT element in jQuery?


Android 5 disable install button of apk files on nexus 4

Why can't I press the Install button when installing applications from unknown sources?


why is if(x) not the same as if(window.x)?

What's the difference between window.x and x?


Show Submit Successful Message After Submit Button Clicked

Submit Successful VF Page after Save Button Clicked


for which values of $n$, $1+n+n^{2}+n^{3}+n^{4}$ is a perfect square?

Integer $x$ for which $x^4+x^3+x^2+x+1$ is perfect square.


Another example of a non-Hausdorff topological space in which all compact subsets are closed


How to make this start every time I start the computer?


Argue that $n!$ dominates any polynomial function of $n$, i.e., $n^x = O(n!)$ for any real $x$.

Does $(n!)/n^{1000}$ diverge or converge


Where can I find the web enhancement for the Tome of Battle?

How can I continue to access Wizards of the Coast's D&D 3.5 Web articles?


How to add myself to sudoers when accidently remove main user out of the sudo group

How do I add myself back as a sudo user?


What is the most convenient way to change options for Graph[] objects?


what is the difference of append() and direct '=' assign value in python for reference initialized array

List of lists changes reflected across sublists unexpectedly


if the integrals of a non-negative sequence of functions go to zero, does this imply functions go to zero a.e.?

Does convergence in $L^p$ imply convergence almost everywhere?


Google Maps v3 - limit viewable area and zoom level


Why is undefined == undefined but NaN != NaN?

What is the rationale for all comparisons returning false for IEEE754 NaN values?


Does time dilation mean that faster than light travel is backwards time travel?

How does faster than light travel violate causality?


NullPointerException Error when Reading an Array Element from a File - Java

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


Why do SD cards and USB drives have less space than advertised?

Why is the effective hard drive size lower than the actual size?


Is there more than one harmonic number that is natural?

Is there an elementary proof that $\sum \limits_{k=1}^n \frac1k$ is never an integer?


Why String.Concat returns 'True' instead of 'true' (the same with false)?

Why does Boolean.ToString output "True" and not "true"


How to move a windows form that does not have a border?

How to move and resize a form without a border?


What is the difference between '.' and '->' when used in array?

How do the "->" and "." member access operations differ in C


Is there a correct gender-neutral singular pronoun ("his" vs. "her" vs. "their")?


Should I have a Joint account with spouse?


GNU GCC: undefined reference to `WinMain@16' when attempting to compile release (Code::Blocks)


How to stop Windows 10 from updating my GPU driver automatically?

How do I stop Windows 10 from updating my graphics driver?


What is the proper way to insulate a cantilevered bay?


Prove: $\text{ord}(a^m) = \frac{\text{lcm}(m,n)}{m}$

Order of an element in a finite cyclic group


Join multiple rows to a single feature in QGIS

Joining multiple records to single feature using QGIS


How can I read input from a file line by line in java?

How can I read a large text file line by line using Java?


Prove: $\sup (A \cup B) = \max\{\sup(A),\sup(B) \}$ where $A,B \subseteq \mathbb{R}$

Let $A,B \subset \mathbb{R}$. Show that $\sup(A \cup B) = \max\{\sup A, \sup B\}$


Working with DynamicModule: ScheduledTasks with local variables


How do I make a bootable USB from Windows?


Proving Every open set in $\Bbb R$ is a countable union of open intervals.

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


How can I pretty-print JSON in a shell script?


Retrive saved wifi password from iPhone 6

Is there any way to view saved wifi passwords on the iPhone?


Can you help me with my software licensing issue?


Fix "Package system is broken" error without synaptic

How do I resolve unmet dependencies after adding a PPA?


Does Django ship with the authentication templates for use with the django.contrib.auth module?

Is there a built-in login template in Django?


Server and Client are sending multiple objects


Having problems with listings and UTF-8. Can it be fixed?


(Java begineer) "this" keyword discussion

How do I call one constructor from another in Java?


What's the difference between Fullmetal Alchemist and Fullmetal Alchemist: Brotherhood?

What's the difference between the FMA and FMA Brotherhood series?


Prove that, for $x \in \mathbb R$ and $\delta_x > 0$, the open interval $(x-\delta_x, x+\delta_x)$ is itself an open set


What allows tail recursion to work with one stack?


Remove space after figure and before text


Can a setter get the name of the property it's in

How to get current property name via reflection?


SQLite3 C interface: how to determine existence of a table

How do I check if a table exists in sqlite3 c++ API?


What to say when someone is going to sleep during day?

Alternatives to "Good Night" when sleeping in the afternoon


How many squares of size a×a can be packed into a circle of radius R?


Does factory resetting a rooted phone unroot it?


css: how to center box div element directly in center?

How to center an element horizontally and vertically


invalid conversion from 'int' to 'const char*'

Single quotes vs. double quotes in C or C++


Errors "*ERROR* UVD not responding, trying to reset the VCPU!!!"


Chinese citizen/passport making connection flight in Zurich

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


How to filter Android logcat by application?

Filter LogCat to get only the messages from My Application in Android?


$ L^{1}$ norm of a continuous non-zero function

Does $f(x)$ is continuous and $f = 0$ a.e. imply $f=0$ everywhere?


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


Shell command to sum integers, one per line?


Why does rubbing feet against sheets create a spark?


NullPointerException while sorting custom object list

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


Imported PNG shows black instead of transparency in the background

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


What is the product of $p_i-1 \over p_i$

Convergence of infinite product of prime reciprocals?


Using CropCoverage Render Transformation in Geoserver SLD (WPS)?

Doing crop coverage with WPS chain in SLD?


If I have that $X,Y,Z$ are jointly independent random variables, how can I show that $X$ is independent of $YZ$ (the product)?

If X,Y and Z are independent, are X and YZ independent?


SET ARITHABORT, .NET, and explanations inconsistency?


Set current displayed row for UIPickerView

obj-c: iPhone programming: change selection on pickerview programmatically


Auto-Complete the path on AIX using profile

Can ksh on AIX be configured to use the tab key for filename completion?


Past simple or past progressive for a duration

can we use past simple with for the past two days


Finding all prime ideals in $\mathbb Z[\frac 1n]$

How do the prime ideals of $\mathbb{Z}_{k}$ look like?


how can i split a string by multiple delimiters and keep the delimiters?

C# split string but keep split chars / separators


How can neutral atoms have exactly zero electric field when there is a difference in the positions of the charges?

Is there an electric field around neutral atoms?


How to define a const class-member function that is inheriting without duplicated-code?

How do I remove code duplication between similar const and non-const member functions?


2 orderby in wp_query with 2 custom fields


Can we write linked list using class?not using structure?

When should you use a class vs a struct in C++?


How to remove (not block!) a contact from Google Hangouts?


Why doesn't the Continuum Hypothesis show that $\text{ZFC}$ is simply consistent?

Why does the existence of independent statements not prove consistency?


Seeking package/function in R that can help tag GPS coordinates of fauna sightings to nearest sampling point?

Is there an R equivalent of NEAR in ESRI ArcGIS?


Find $F$-related vector fields on $M\times N$, where $F(x)=(x, f(x))$


Model Empty Null Exception Error on Delete

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


How can I access volumes encrypted with LUKS/dm-crypt from Windows?


Saving comment on iPhone XR under iOS 12.2 gives blank screen

Screen goes white when posting a comment


Short science fiction film about a Midwest farmer who builds a bunker after finding a space plant

Sentient truck with living flesh human mouth built into dashboard?


forEach in JavaScript not working collecting Object Values


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


why jmap command running with exception java.lang.reflect.InvocationTargetException?

Exception when taking a heapdump using JMAP


jQuery How To Remove Class Once One Has Been Added


Considering Hawking radiation, can an object ever actually cross event horizon of a black hole?

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


Outer and Inner class and static methods

Java inner class and static nested class


Why is there still so much academic gibberish?

Why do researchers sometimes use extremely complicated English sentences to convey their meaning?


Format disk in mac with a lot of reading and writing

How to "securely" erase my MacBook's SSD


How do you download games on a school iPad?


How can I easily animate cutaway views on multiple objects?


Hide the keyboard with type UIKeyboardTypeNumberPad objective c

How to show "Done" button on iPhone number pad


Replicate the functionality of Java's "Pattern.quote" in a JavaScript RegExp

Is there a RegExp.escape function in JavaScript?


How to send table to function as argument?

Table as an argument of a PostgreSQL function


IF statement only executes if it's preceded with a 'sysout' of the value it is testing against

Loop doesn't see value changed by other thread without a print statement


Newton's third law. how things can move?

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


Why "suggested edit pending approval" notification is there even after I have reached the daily limit

Don't show pending suggested edits to me after I run out of votes


One MySQL Table keeps losing auto-increment after restart

MySql autoincrement counter resetting after server restart


Why do old questions have so many points?

Why do a lot of questions from around 2008 seem to have really high upvotes?


How to test multiple variables against a single value?


Word for a person who is challenged to a bet

Which word can be used for the person who is challenged (in a contest)?


Proof of the identity $\sin(x+y) =\sin(x)\cos(y) + \cos(x)\sin(y)$ for all $x$ and $y$

Proof of the angle sum identity for $\sin$


I have 4 GB ram.. what should be the perfect swap partition size?


Find the determinant of a matrix definition

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


When do we have $ \lim_{n\to\infty}\sum_{k=1}^{n^2}\frac{n^{r-1}}{n^r+k^r}0$?


Does quantum entanglement really send a message?

Does entanglement not immediately contradict the theory of special relativity?


css3 height transition on an absolute positioned div to overflow auto fails

How can I transition height: 0; to height: auto; using CSS?


Show that $M=\bigcap_{\mathfrak{p}\in\operatorname{Spec}(R)}M_\mathfrak{p}=\bigcap_{\mathfrak{m}\in\text{Max}(R)}M_\mathfrak{m}$ for certain $M$.


How to reliably calculate the memory address of an object

Custom memory alloc and dealloc which multiple Inheritance class


Program crashes when I try to add contents of a class to on array

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


is a there md5 decrypt function in python?


How to map right shift to slash using xmodmap?

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


Sum of the series $\sum \frac{n}{2^{n}}$

How to find answer to the sum of series $\sum_{n=1}^{\infty}\frac{n}{2^n} $


Change file to correct URL in Yii framework

Redirect to login page instead of index page in Yii


How to Keep Section Numbering but Not Include in Table of Contents


My win 7 ultimate computer has been professionally hijacked and configured to limit local access

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


Is there a way to setup a minecraft server that me and my friend can play on together?


How to estimate critical value for F-test for df=91?

How do I find values not given in (interpolate in) statistical tables?


Problems with building a method to reduce the frequency of the items in a linked list

When and why will a compiler initialise memory to 0xCD, 0xDD, etc. on malloc/free/new/delete?


N: Ignoring file '50unattended-upgrades.ucf-old' in directory '/etc/apt/apt.conf.d/' as it has an invalid filename extension

N: Ignoring file '50unattended-upgrades.ucf-dist' in directory '/etc/apt/apt.conf.d/' as it has an invalid filename extension


Let 𝑎 and 𝑏 be positive integers, show that $\gcd(𝑎, 𝑏) \cdot \mathrm{lcm}(𝑎, 𝑏) = 𝑎b$

Easiest and most complex proof of $\gcd (a,b) \times \operatorname{lcm} (a,b) =ab.$


If $x>y>0$ why is $\sqrt{x} > \sqrt {y}$?

Proving if $x<y$ then $\sqrt{x} < \sqrt{y}$


SQLite Query Returns 0 rows When Similar Query Has No Problems

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


Specifying a difference in differences model with multiple time periods


Can I use Perl LWP::UserAgent to scrape HTML and rendered JavaScript source?

Is there a way to execute JavaScript in Perl?


Why piping input to "read" only works when fed into "while read ..." construct?

Read values into a shell variable from a pipe


How to make my own custom dialer in an Android phone


Inserting separate HTML file into lots of HTML files using jQuery / javascript?

Include another HTML file in a HTML file


MySQL stop/waiting issues; “can't connect … through socket”


$\mathcal{I} = \{X \in M_{n \times n} \mid X \text{ is invertible }\}$ is not-connected.

How many connected components does $\mathrm{GL}_n(\mathbb R)$ have?


SQL Server (0x80131904): String or binary data would be truncated

error, string or binary data would be truncated when trying to insert


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


How do I import a .blend into another .blend?


Coupon collector expectation using definition

Probability distribution in the coupon collector's problem


A graph with n points satisfies some conditions.

Show that, in a group of n people, everyone has the same number of friends if..


Show that if $\gcd(a,b) = 1$ and $a|n$, $b|n$ then $ab|n$

Prove $a \mid m$ and $b \mid m \implies \frac{a \cdot b}{\text{gcd}(a, b)} \mid m$


Interpreting results of Libreoffice Calc's TTEST function

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


Finding a function $f(x)$ that's equal to the series $\sum_{n=0}^\infty \frac{n}{n+1}x^n$

Find a function for the infinite sum $\sum_{n=0}^\infty \frac{n}{n+1}x^n$


.sh files won't run, even after permission given


Traveling to Ireland with German National visa


Passing a textbox value from one form to another in windows application

Passing a value from one form to another form


Where is the flaw in this "proof" that 1=2? (Derivative of repeated addition)


Is current in superconductors infinite? If they have 0 resistance then I (V/R) should be infinite?

How can Ohm's law be correct if superconductors have 0 resistivity?


XUbuntu 16.04 cannot detect Video card correctly

Ubuntu 16 Stuck in Login Loop after Installing Nvidia 364 Drivers


Why do they keep saying "an alien race" instead of "an alien species"?

Is *race* a synonym of *species* or is just a common mistake?


is there a difference between the original and the following modified axiom of extensionality?

Why use the biconditional in the Axiom of Extensionality


How to inherit the attribute from interface to object when serializing it using JSON.NET

Getting SerializeObject to use JsonProperty "name" defined inside interface


Can anyone explain precisely what IOWait is?


Asking questions as a software customer without being closed

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


Why do 3 and x (which was assigned 3) have different inferred types in Haskell?


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


Sum of binomial coefficients multiplied by powers of two and something else


List of lists changes reflected across sublists unexpectedly


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


One or two apostrophes for two subjects in the possessive case?

"Nikki's and Alice's X" vs. "Nikki and Alice's X"


Why does a light beam in a moving light clock follows a V shaped path?


setting counters for Lemmas proposition etc

Cross-referencing problem if counter of theorem-like environments is shared


Per line text gradient (ala beeline reader)


Can someone explain to me why the greatest common factor of (a,b) is equal to gcf(a mod b, a)


Why is this the closed-form solution for this series?

Proof $1+2+3+4+\cdots+n = \frac{n\times(n+1)}2$


Is local compactness preserved by continuous closed onto functions?


Does this choice require Axiom of Choice?

How do I choose an element from a non-empty set?


Referencing images found in public domain

Should I include a reference for an image that is released into the public domain?


Can an Illusion of a wall of glass grant cover?

Can an illusion give a player partial cover?


In General relativity, what is the meaning of flow of $x$ momentum in $x$ direction or pressure in $x$ direction?

Layman's explanation and understanding of Einstein's field equations


Calculate scalar potential from electric field


Reversing axis prevents formatting of that axis


What does /dev/sda3: clean mean on boot?

My Ubuntu is running fsck on every bootup


C# error: Use of unassigned local variable


List iteration on Android, foreach or indexed

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


Too big vertical spacing between equations

Reason of existense of the extra space in align environment and removal of it between two align environments


Need to access value in SimpleXML object

SimpleXML Reading node with a hyphenated name


Remove footfullcite reference in bibliography

Exclude \fullcite{...} citation from bibliography


Easy way to quickly locate the mouse pointer?

Linux Equivalent of Windows Ctrl to show Mouse Pointer


French visa reapplication after refusal?

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


What's so strange with this picture? Which optical phenomenon is working here?


Is the exact value of $^{\infty}i$ known?


Why do I have two dock when Show Application?

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


WPF Update NON UI thread data based on UI thread control status

Prevent using Dispatcher.Invoke in WPF code


Why does my iPhone 6 randomly ask me to enter my password with Touch ID enabled?

iOS: Your passcode is required to enable Touch ID


How do I remove my name from the top right corner of Chrome?


Is there a zsh command to output shell function code, like `type` in bash

How do you print the code of a shell function in terminal?


SQL Server: Examples of PIVOTing String data


What we cannot know, mathematical version

Math problems that are impossible to solve


Templated class function T: How to find out if T is a pointer?

Determine if Type is a pointer in a template function


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


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


How long do I have to stay out of Singapore before returning for another tourist visit?

How long between Singapore tourist visas?


Proof of $\gcd(a,b)=ax+by\ $ [Bezout's identity]


Preserving a reference to "this" in JavaScript prototype functions

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


Why does this overriding method declaration produce a compilation error?

What is the concept of erasure in generics in Java?


What’s the rule for using “who” and “whom” correctly?


Server optimization for long running script

Can you help me with my capacity planning?


Can I call a windows DLL from a linux client?


Why doesn't `\d` work in regular expressions in sed?

How to extract text from a string using sed?


IOS/Swift: Make tableview cells not selectable but tableview still scrollable in Swift

How can I disable the UITableView selection?


How to draw Fractal images of iteration functions on the Riemann sphere?


How i can handle java command-line arguments?

How do I parse command line arguments in Java?


An adjective for a person who is new to a certain field/activity

Single word describing a person new in something


This strange series : $\sum \frac{\sin(1/n)}{\sqrt{n}}$

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


A formal English word or phrase for "badass?"

What is a polite substitute for badass (used as a noun)?


How can I change Excel 2007 shortcuts from foreign to English?


Compatability with Intel XEON E3-1505L v6 (7th Gen) Processor


Suppose that $n$ is a composite, squarefree integer such that for every prime divisor $p$ of $n$...

How do I prove $n$ is a Carmichael number?


Show that $F(B)=B$and $F(C)=C$ if $F: \mathcal{P}A \to \mathcal{P}A$ and that $F$ has the monotonicity property


Unable to lock the administration directory (/var/lib/dpkg/) is another process using it?


Are prepositional verbs a sub-classification of phrasal verbs or considered a totally separate category?

Constituency tests needed to differentiate between phrasal verbs and verb + prepositional phrase constructions


How to create a archive list from an array of dates in php


Pushing updates to 100 clients from 1 'YUM Server' (RHEL/CentOS)

Linux equivalent to PowerShell's "one-to-many" remoting


What is the difference between correlation and mean absolute percentage error?


Unable to correct problems, you have held broken packages


$1^3+2^3+...+n^3= $? How I can find formula

Proving the identity $\sum_{k=1}^n {k^3} = \big(\sum_{k=1}^n k\big)^2$ without induction


Adivce for dual-booting Windows 10 and Ubuntu 15.10?

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


HTML - Change\Update page contents without refreshing\reloading the page


The composition of continuous functions on $\mathbb{R}$ is continuous

Real Analysis: Continuity of a Composition Function


@synthesize syntax, with and without equals sign

What name does the auto-generated ivar take when I just declare a property in XCode 4.5 onwards?


How can I easily share the output of a command or a text file with others?


How can I stop applications and services from running?


Prove: $A,B\in\mathscr P(\Bbb R)\setminus\emptyset ,a \lt b\ \forall a \in A,\forall b \in B\implies \sup A \lt \inf B$


PhD. in the US directly after European BSc., or is it better to go for a MSc. at first?


An entire and one-to-one function must be of the form AZ+B, A non-zero. How to rule out higher degree polynomials in z?


Where is the HTML5 Document Type Definition?


Where is the mistake in the following rationament

Is it possible for information to be transmitted faster than light by using a rigid pole?


How to create a 7 characters of alphanumeric unique id?

Creating a unique alphanumeric 10-character string


Was Gandalf a regular visitor to the Shire prior to Bilbo's birthday party?

How often did Gandalf return to Hobbiton after the events of The Hobbit?


partitioning of a set with kn members into k subsets such that each subset has n members

How many ways can N elements be partitioned into subsets of size K?


A Question About The First Step In Induction

Dominoes and induction, or how does induction work?


Customize feed on stack exchange android app


How can I get a list starting with a,b,c instead of 1,2,3?

How do I change the `enumerate` list format to use letters instead of the default Arabic numerals?


force HTTP to HTTPS Centos 6.7 and Apache not working correctly

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


Could the Death Star have a satellite due to its size?

Is the Death Star’s gravitational force strong enough to hold an atmosphere?


I'm trying to add a small graph in document . However, it returns Package tikz Error: Giving up on this path. Did you forge t a semicolon?

What is meant by "! Package tikz Error: Giving up on this path. Did you forget a semicolon?." when I use pgf-umlcd?


Proof in Intuitionistic logic: $\neg \neg A \to \neg \neg B \vdash \neg \neg (A \to B)$

Does double negation distribute over implication intuitionistically?


Failing to restart my laptop after installing Ubuntu 18.04.2 LTS and "bug: soft lockup" appears

NMI watchdog: BUG: soft lockup - CPU#2 stuck for 23s! [nvidia-smi:566]


How much memory is needed to run a Minecraft Server in 1.6.2?

Minimum RAM needed for Minecraft server?


As Pakistani Passport holder and a Schengen visa holder do i need aTransit Visa for Manchester

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


How can I avoid using hyphen at the linebreak to separate a word?

How to prevent LaTeX from line-breaking a phrase?


Should I use who or whom in the following situation?

What’s the rule for using “who” and “whom” correctly?


Starting out with D&D from complete scratch

I'm at a loss with “Dungeons and Dragons.” How does one play it, anyway?


User was removed - Why does it affect me?

Don't throw away all votes when a user is deleted


.fbx export why there are no materials or textures?


Why does intitle:1 show questions whose titles don't have all my search terms?


How do I enable the "Universe" repository?


How can you get the "real" HttpContext within an ASP.NET MVC application?


Search of the roots of a polynomial of grade $n$: why do not exists a closed formula?

Why can we prove mathematically that a formula to solve an (n+5) order polynomial does not exist?


Is there a way to allow footnotes to be displayed on a different (say, adjacent) page from the one where the marker appears?


What is the relationship between power and energy?


Why can I not access a file named `-` when quoting?

How do you enter a directory that's name is only a minus?


Best way to monitor and restart python script

How to make sure an application keeps running on Linux


What equipment is required for a home studio?


How to check if sql row contains any of the values?

Searching for multiple numbers in multiple number field


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


Pygame error : video system not initialized

Why is my pygame window not opening after I close another window and producing an unexpected error?


Telling what version of browser is being used + if screen reader is being used

What is a RELIABLE way to detect a client's browser and its version number?


DNS unable to connect to webpages despite connection

What is the proper way to change the DNS IP?


Show us detailed close vote count for migrations / duplicates, after voting

Seeing close-vote details if I've already voted


Why are There No "Triernions" (3-dimensional analogue of complex numbers / quaternions)?


How to load data from backing bean after a redirect

Invoke JSF managed bean action on page load


How to make EditText that cannot be editted?


Why isn't it possible to launch a non-English SE site?

Are there any banned subjects on Area 51?


Traveling to Germany with a French study visa

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


Simplify with Assumptions: Puzzle for 4 variables

Simplify not evaluating completely with Square roots


Why does the linear regression algorithm assume the input residuals (errors) to be normal distributed?

How does linear regression use the normal distribution?


Prove that $\left|\frac{z_1-z_2}{1-z_1\bar{z_2}}\right|\lt 1$

Show that $\left|\frac{\alpha - \beta}{1-\bar{\alpha}\beta}\right| < 1$ when $|\alpha|,|\beta| < 1$


Simply Connected Regions : Complex Plane


Constraining predicted probabilities of a poisson regression with a binary outcome

How to estimate Relative Risks in Multivariate Binary Logistic Regression Models, instead of Odds Ratios?


Add additional lines to Google Sheets Line chart

Create a Google Sheets chart with multiple data ranges with separate key columns


Python error with OpenLayers plugin QGIS 2


ending loop with a string variable in java


Is there a way to know which files are being created, read or updated by running app?


How can you convert a monster into a playable race in Pathfinder?


Can i set 443 as default web port which means it can only be accessed via https and no port 80


How do I mock a service when using BroswerTestBase?

Mock a service while running a BrowserTest?


What's the meaning of factors 'collapsing' in quotients like $\mathbb{Z}_4\times\mathbb{Z}_6/\langle(0,1)\rangle$?

Calculate the Factor Group $(\mathbb{Z}_4 \times \mathbb{Z}_6)/\langle(0,2)\rangle$


Which ubuntu application is responsible for dimming the screen when its going to lock?


Possible to hash a value in microsoft access?


Firing a Keyboard Event in Safari, using JavaScript


Map Command-E to summon Finder file manager

Is there a keyboard shortcut to bring up Finder?


How to set theme for GNOME (GTK) apps opening as root


Given $|b-c|\leq a\leq b+c$ show that $\frac{a}{1+a}\leq\frac{b}{1+b}+\frac{c}{1+c}$

Can I prove this inequality algebraically?


Should there be an option to revoke not yet reviewed flags?


lnk2001 unresolved external symbol with public static variable

Why can templates only be implemented in the header file?


Any better sotware for Mouse Keys then the default Universal Access?

How can I make shortcut keys move the mouse, as an alternative to the touchpad?


Installation ubuntu 12.04 64 bit on notebook toshiba : no root file system is defined

Got problem with installation. "No root file system is defined."


How can I use a static method as a default parameter for the strategy design pattern?


How to typeset piecewise-defined functions?

How to write conditional equations with one-sided curly brackets


Easy way of proving continuity of a convex function

Proof of "every convex function is continuous"


Why do some links to questions expand to reveal the title, and others do not?

What limitations does converting question links to links with titles have?


What do I have to do before giving away my Ubuntu machine?


Evaluating $\int_{0}^{1}\frac{x-1}{(x+1)\ln x} dx $

Evaluate $\int_0^1\left(\frac{x-1}{x+1}\right)^n\frac{1}{\ln x} \,dx$


Limits using epsilon delta definition $f(x,y)=xy$ for functions of two variables


What is would be the word for deriving from experience or past performance

What's a word for knowing something from experience?


How to determine equality for two JavaScript objects?


De-arrangement in permutation and combination

I have a problem understanding the proof of Rencontres numbers (Derangements)


Best practice for managing AWS SSH .pem files within team

What are best practices for managing SSH keys in a team?


How to evaluate a math expression given in string form?


using read to get input from a file or standard input doesn't store the read values

While Do loop and variables in a bash script?


Solving exercise 1.10 in Silverman's AEC

Exercise 1.10 from Silverman "The Arithmetic of Elliptic Curves "


Division vs. multiplication by reciprocal in R


Call function from an array asynchronously in JavaScript

Why is the loop assigning a reference of the last index element to?


question about contractive and hereditary property


Getting NullPointerException while trying to save console output in text file

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


Splitting of an exact sequence of abelian groups

A nonsplit short exact sequence of abelian groups with $B \cong A \oplus C$


Unable to edit ribbon to display custom tabs on Word 2013


pass $_GET variable to javascript function

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


"Lens not attached" error with Sigma lens on Nikon D3100

Why does my Nikon D3100 give the error "Lens not attached" with a Vivitar 200 telephoto lens?


How to call a member function query() in php?

Reference - What does this error mean in PHP?


Prove $\ \frac{z-1}{z+1} $ is imaginary no' iff $\ |z| = 1 $

Prove: if $|z|=1$ than $\frac{z+1}{z-1}$ is an imaginary number


ggplot's qplot does not execute on sourcing


Exporting ALL selected raster layers in QGIS

Export raster layer in python to specific folder


Order/Dependency of Styles in a Stylesheet


Reordering of HTML Elements in Responsive Views

3 Column Responsive CSS (Ordering Contents Positions)


Can I stop Google and other search engines indexing my subdomain, when subdomain is 3rd party owned?

Hide a Subdomain from Google/Search Engine SEO Result?


Null point exception on method of an object class

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


RTL8723AE wireless needs a better driver, my attempt to fix made it worse


For loop with two arguments in Coffeescript


A word for a person who tells you information, instead of letting you find it out by yourself

A term for when people insist on giving you help you didn't ask for?


I need help converting PHP eregi_replace to preg

How can I convert ereg expressions to preg in PHP?


What is the purpose of the cylindrical layered conical discs in power stations?

Why do ceramic insulators have a stacked disc structure?


Triggered ability of another card when two legendary creatures with the same name enter to the battlefield at the same time

Can I get an enters-the-battlefield effect out of a second legendary before I must sacrifice it?


Centos cron run ant error "Unable to locate tools.jar"


Show if an integral domain D satisfies DCC (descending chain condition), it must satisfy ACC (ascending chain condition).

Commutative integral domain with d.c.c. is a field


Why is $\mathbb Q $ (rational numbers) countable?

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


How to rename multiple files in a way that each name would be img_NNNNNN format?


Changing default behavior of Windows' thumbnail caching

Automatically generate thumbnails for all subfolders of a directory in Windows 7?


Proving the geometric sum formula by induction


Partition 500Gb SSD AFTER windows 10 install

How to shrink Windows 7 boot partition with unmovable files


How to skip filesystem checks during boot

How to turn off the filesystem check message which occures while booting


Altas with rules on different layer than the cover layer

QGIS Atlas map composition to show only points inside Polygon?


How can I abstract building maps from SObject Lists in a good way?

How To Group Records By Value In A Specific Field?


How can I uninstall ubuntu on a school laptop?

How to remove Ubuntu and put Windows back on?


If I download viruses on a virtual machine, can they infect the host?

Is my host machine completely isolated from a virus-infected virtual machine?


Place one math expression over the other


Can a character delay their action until a later Initiative count, or do they just forfeit their turn unless they Ready an action?

Can I choose to delay my turn in combat?


Why will points in the Epilog "get lost" when combining two plots using Show?

Plot Option Precedence while combining Plots with Show[]


Difference between logistic regression and bayesian logistic regression?

Bayesian logit model - intuitive explanation?


Only reference key appears when using biblatex


Possible to use draws from two distributions to get draw from distribution with density their product?


Creating bootable USB from "Install OS X El Capitan.iso"

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


How to interact with elements generated by a javascript code?

Event binding on dynamically created elements?


How do I deal with a compromised server?


Shell script printing contents of variable containing output of a command removes newline characters

Capturing multiple line output into a Bash variable


Can MySQL handle millions of users for my social networking app? MySQL Vs Other Database technologies?

How big can a MySQL database get before performance starts to degrade


linear mixed effect model splits variabel into two

Interpreting Intercept when doing logistic regression with categorical data in R


Link with double-underscored word in URL renders incorrectly

Fail of markdown parser detected if '_ 's are used in a naked URL


Word that means generally knowledgeable?

What could we call a person with deep knowledge in various fields?


How can I delete a file with the name "*"?

Delete all files starting with a question mark


Can the front page say if Community edited something or bumped it?

Please do not "lie" that the Community user "modified" the question


Viewport only showing objects in camera shot

Gray cone obscuring/clipping the 3D Viewport


what is normalization?why it is used in DBMS?

What is Normalisation (or Normalization)?


What is a single word for a jack of all trades?

What is another word for 'all round' capabilities?


Tikz: Combining nodes (creating a matchstick object)


I keep getting a java.lang.outofmemory error

Strange OutOfMemory issue while loading an image to a Bitmap object


Binomial Formula evaluation for the problem $9 \mid 10^k - 1$ for $k \in \mathbb{N}$

Prove $n-m \mid n^r - m^r\,$ [Factor Theorem, monomial case]


How to calculate expected value in the following scenario

Sampling with replacement or without replacement


pow() function returning different result in C++


Attempt to invoke virtual method 'void com.google.android.gms.ads.AdView.loadAd(com.google.android.gms.ads.AdRequest)' on a null object reference

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


prove a subset of a given Hilbert space $X$ is convergent in norm.

In Hilbert space: $x_n → x$ if and only if $x_n \to x$ weakly and $\Vert x_n \Vert → \Vert x \Vert$.


Send a copy of outbound messages to another address


Can't seem to move or duplicate a mesh as expected in Object mode. What on earth have I done?

Can only move object origin in object mode, cant move the mesh


Prove that the square of an integer $a$ is of the form $a^2=3k$, or $a^2=3k+1$, where $k\in \mathbb{Z} $

Prove or disprove: For every integer a, if a is not congruent to 0 (mod 3), the a^2 is congruent to 1 (mod 3)


Getting "error: snap "zoom-client" has "install-snap" change in progress" while installing zoom-client in Ubuntu 20.04

Unable to install "": snap "" has "install-snap" change in progress


Does Google bot crawl dynamically created iframes?

Do we still need to avoid using frames and iframes for SEO?


Ruby On Rails - how to clean database programmatically?


Why is it sufficient to minimize expected prediction error (EPE) pointwise?


Resistor circuit that isn't parallel or series


What if an abbreviation is at the end of a declarative sentence? Should I duplicate a full stop sign?


What was the first version of Ubuntu and where can I find it?


Bash command does not execute from script, but works when entered in terminal

How can I make environment variables "exported" in a shell script stick around?


How to specify units for ImageSize Option?


Leave pages-field out of bib-entry with incollection, if pages given when quoting


Is there any possibility that there exists a formula for the partial sums of the harmonic series? If not, why?

Do harmonic numbers have a “closed-form” expression?


Cross referencing symbols in different packages

How to properly handle mutual imports of multiple packages?


Pushforward of sheaf of relative differentials in family of elliptic curves

Is the pushforward of the sheaf of differentials on an elliptic curve over a scheme necessarily trivial?


Fast columns sorting of matrix refering another vector in matlab


JdbcTemplate is not able to connect to databse

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


$(ab+bc+ca)^3=abc(a+b+c)^3$, prove that $a,b,c$ are in $G.P.$

Mathematical Olympiad Treasures Problem 1.92 how does this relate to geometric sequence


What is the closed form of $\sum_{i=1}^n\frac{2i}{2^i}$

Formula for calculating $\sum_{n=0}^{m}nr^n$


Receiving Gmail to an account that is not linked to my email address

Received an email intended for another person


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


Prove $\binom km\binom tk=\binom tm\binom{t-m}{t-k}$

Prove $\binom{n}{a}\binom{n-a}{b-a} = \binom{n}{b}\binom{b}{a}$


Qt: pointer auto deletion after program exit

Is there a reason to call delete in C++ when a program is exiting anyway?


How to print only the keys from a dictionary in one statement

Print Dictionary Keys without Dictionary Name? How/why?


Deleting files requires password and doesn't increase free space

Mac asking for password for some files when deleting


How can I play videos on Ubuntu? using any player

How do I resolve unmet dependencies after adding a PPA?


Where in the Standard does it say that calling B::foo() below is legal?


Understanding Concept of Lowerbound and Upperbound in Random Number Generation?


When should a trusted user use their delete votes on an answer?

What's the modus operandi when encountering a not-an-answer?


Book series about a magician's apprentice whose master is assassinated and has to be trained by another master, who can't use magic?

Identify a story about a teen boy who learns to use magic with his lizard companion


Why don't products of Dirac deltas integrate correctly?


what is the difference in the following c++ codes regarding call by reference

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


How to initialize a pointer to a specific memory address in C++


Where does the ground wire go in a 3-prong dryer cord configuration?


Scifi novel where God invents the rules of physics as men discovers science, and gets overwhelmed by the complexity of it

Novel about a guy who is possessed by the divine essence and the world ends?


Should I edit a question or answer with offensive content?

What are the “spam” and “rude or abusive” (offensive) flags, and how do they work?


C# Object Reference not set to an instance of an object error

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


Methods of installing software in Ubuntu (command-line)

How do I install applications in Ubuntu?


How to install Ubuntu to use only part of a disk

How to use manual partitioning during installation?


CS type explanation needed on how heap and the stack work interms of reference variables and primitive variables in java for a non-CS guy

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


UItextview move up and down in iphone app( when keyboard appear and disappear)

How can I make a UITextField move up when the keyboard is present - on starting to edit?


how to do things for a period of time in python


Flight arrival and departure time for a flight last year??

Where can I find historical data on arrival and departure times of a particular flight?


Am I considered in debt if I pay a mortgage?


Sending Email via gmail smtp server in JAVA


How to get information about BIOS from terminal?

How to know the release date of my BIOS version?


Is this the best way to see my running processes?

How do I list all processes owned by my user?


Does joining CSV file to shapefile overcomes the 255 character limitation of shapefile?

Maximum length of text fields in shapefile and geodatabase formats?


Mojave screen shots take a long time to save directly to desktop

How to disable Mojave's floating thumbnail screenshot preview?


C#: How to use SHOpenFolderAndSelectItems

C#: How to open Windows Explorer windows with a number of files selected


Insert large initial data to sqlite database in android


How to install VM VirtualBox on 14.04 without errors?

VBox on 14.04: Kernel driver not installed (rc=-1908)


let $f: J \to \mathbb{R}$ . let $x_n < c <y_n$ be such that $(y_n-x_n) \to0$ show that $\lim _ {n \to \infty} \frac{f(y_n)-f(x_n)}{y_n-x_n}=f'(c)$

Proving that expression is equivalent to the definition of derivative


If my opponent takes control of my creature, then it's exiled and later returns, is it still theirs?


object reference not set to an instance of an object error in asp.net

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


How to iterate through a json response and create objects

What is the difference between class and instance attributes?


Kubernetes ImagePullBackOff caused by no space left on device

No space left on device -- but there is space


bash script works but give errors: "[: too many arguments" and "8197: command not found"

Why does my shell script choke on whitespace or other special characters?


Random unwanted space between paragraphs


Parallel evaluation produces wrong result


Mail one liner to check if null before sending

How to pipe output from one process to another but only execute if the first has output?


Do I need a Japanese transit visa when arriving at Narita and departing from Haneda?


How to pass data from JavaScript to PHP and then on to MySQL

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


Can Konami accept a Yu-Gi-Oh card that I made?


Problem on Stack Overflow website in Chrome

Stack overflow UI display is strange - what happened?


How can a particle in a medium ever travel faster than light?

What happens if light/particles exceeded the speed of light for a particular medium?


What is the notation to say a is element of set A regardless to the level of nestedness?

Is there an operator for 'contained in set or subset or subset of subset' and so on?


Why is setting a variable before a command legal in bash?


Is “come September” a kind of inversion?


Why is my JSON result method returning response error (500)

A potentially dangerous Request.Form value was detected from the client


Convergence of the series $\sum_n\sqrt{a_n\cdot a_{n+1}}$ given that $\sum_na_n$ converges

Convergent or divergent series: $\sum_{n=1}^{\infty} \sqrt{a_n \cdot a_{n+1}}$?


Enter the USA before going to Canada on a WHV

Does the 90 days VWP rule expire if you travel from the US to Canada?


How can we explain, from quantum mechanics, why do we see light rays bend when light goes from one medium to another?

How are classical optics phenomena explained in QED (Snell's law)?


Ubuntu won't execute script on shutdown/restart


HDD making clicking noise (video included)


Am I supposed to be reviewing spam flags?


Scaling an image to the size of a character


Bash Script that connects to VPN server via openvpn, runs a program, and then disconnects from openvpn server

openVPN disconnect via command line in linux


Is everything provable as true, false, or undecidable?

Are there statements that are undecidable but not provably undecidable


What if Force was not Mass times Acceleration?


Null pointer exception on invoking Shared preference object

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


How to construct an example for the entropy equation: $H(Z)=H(X)+H(Y)$ where $Z=X+Y$


How to Take full document screenshot including non visible parts

Take screen shots using selenium webdriver


Swift Optional Chaining with Objective-C Objects

Compiler error when assigning the Delegate for a Protocol in Swift iOS


What is the strength of a stationary costationary subset of $\omega_1$?

Consistency strength of the "club ultrafilter"


What exactly happened in between Ragnarok and Infinity War?

What is the fate of the Asgardians at the start of Avengers: Infinity War?


Special determinant where each row is a rotation of the previous one


Time Series: Confused about identification of (possibly?) an ARMA(p,q) model


How can I use a variable's value as a Perl variable name?

How can I use a variable as a variable name in Perl?


Are there official rules for crafting magic items?

Are there requirements for crafting magic items?


Is it possible for a sequence of rational numbers to have a non rational limit?


What happens to the target of a Reduce spell if they are in a small container when the spell wears off?

Can you reduce yourself, crawl into the Tarrasque's airway, and try to collapse its lung by enlarging inside of it?


Can I add a "new -> blank document" option to the context menu?

add a blank file to the windows 'new' context menu


How can I use the max() function with the update statement?

MySQL Error 1093 - Can't specify target table for update in FROM clause


How do I create a package from an existing notebook?


How to draw a quiver in latex like this?

Tikz for Gabriel and Auslander-Reiten quivers


how can i add special charcter like breckets[ ], single quote ' double quote" in mysql database


How to find 3G signal strength when connection is already established by pppd?

How to send AT commands to modem once the connection is established?


Should I put myself last? "me and my friends" vs. "my friends and me" or "my friends and I"


Causes for name / image to be listed as "last modified" on question list

Last activity on question shows modified by user who did not ask or answer


Join this community button does not redirect to the page you were on

Login not redirecting back to page where login link was clicked if account created


Why is it that sometimes Chrome displays something other than 'Secure' on https websites?

Why do some websites show the company name next to the URL?


Cannot edit title of the question if the body is defective

Help users create dummy links that are not to unrelated commercial sites


Add different materials to different parts of a mesh?


Validate phone number with javascript and regex

How to validate phone numbers using regex


How to read and write into file using JavaScript?


Convert datetime.timedelta Object to HH:MM


What Ubuntu-compatible software is available to remove shaking from a video?


How do I change ownership of a folder in my downloads folder?


Express redirect sending page as data to success of angular $http instead of redirecting to the page

How to manage a redirect request after a jQuery Ajax call


Test the convergence of the series $\sum \sin [\pi(\sqrt5+2)^n]$

Does $\sum_{n=1}^{\infty} \sin(\pi(2+\sqrt{3})^n)$ converge? Converge absolutely?


Is it realistic to achieve better results when doing PCA before neural network classification?

How can top principal components retain the predictive power on a dependent variable (or even lead to better predictions)?


How to show that greatest common factor of $(m+n$ and $ m-n)\in\mathbb{N}$ is equal to $1$ or $2$?


Will 18.04.5 upgrade to version 20 through GUI or should I force it?

Why isn't an upgrade to 20.04 from 18.04 available yet?


Title tag different from title appearing in Google?


partition of an infinite set with copies

Prove that if $A$ is an infinite set then $A \times 2$ is equipotent to $A$


Use HSA to pay for previous medical expenses?

Can I use an HSA to pay off medical debts incurred before the HSA was funded?


Why do my Perl tests fail with use encoding 'utf8'?


Is it possible to port ps4 or xb1 minecraft saves to pc minecraft?

Can I sync or transfer save games and settings from one platform to another?


Package inputenc Error: Unicode character (U+0301)

! Package inputenc Error: Unicode char ́ (U+301)(inputenc)


I have an internal compiler error: java.lang.NullPointerException

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


How to place text on the same page as title page


Ubuntu 14.04.5/16.04 and newer on AMD graphics


Unique Problem. Re-installing the same iso file of Ubuntu 2020 through installer and booting is not taking place

Deleted Ubuntu 20 alongside windows 10 and unable to install again


Website disappeared from Google after index.html update

How to diagnose a search engine ranking drop?


What is the difference between \em and \emph?