How do I remove an empty element in an array?

How to delete an element from an array in C#


How does one 'vote' for a release codename?


How to achieve round cornered frame in titlesec package


Should I use 'the' before the word 'banking system'?

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


Difference between "//" and "/" in Python 2

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


Want to remove \n\t whitespace from my string c++


Proving $\lim_{n\to\infty} \|T^n\|^{\frac{1}{n}}$ exists and equals $\inf_n \|T^n\|^{\frac{1}{n}}$ for linear operator $T$ on Banach space

Subadditive sequences and the limit $\sup_{n\to\infty} a_n / n$


getchar() causes error while scanf don't


java.lang.NoClassDefFoundError for external library

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


I want to do research but I'm too old for a PHD


sending mail using XAMPP, sendmail, and gmail smtp server

PHP mail function doesn't complete sending of e-mail


Electric field in center of non-conducting sphere with non-uniform charge distribution from Gauss's law


What does "To" mean in a newspaper headline?


Multiple account user got pissed off at me and is down voting me, how do I act?

How to deal with downvoting sock puppets?


How to eliminate the margin between figure and frame in DensityPlot?

How do I avoid the gaps introduced by a frame on a plot?


Multi dimensional array of unknown depth to one dimensonal array and relevant keys in PHP

How to Flatten a Multidimensional Array?


Download custom file in wordpress backend

Export data as CSV in back end with proper HTTP headers


Added Timestamp Col w/Auto Initialization to CURRENT_TIMESTAMP, but doesn't set default value

Can't default date to CURRENT_TIMESTAMP in MySQL 5.5


How to use parts of the old URL in a 301 redirect

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


define different font depending on the compiler


Unity animations not transitioning properly

In Unity, why do my animator states wait until the end of each animation to change?


Error:Warning: mysql_fetch_assoc() expects parameter 1 to be resource, boolean given in

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


prove that $\{a_{n}\} $ converges as $, a_{n+1}=\frac{a_{n}}{sin(a_{n})},\ \forall n\geq2$ and $0<a_{1}<\frac{\pi}{2}$

Given $a_{n+1} = \frac{{a_n}}{\sin({a_n})}$ with $0 < a_1 < \frac{\pi}{2}$. Show that the limit $\lim_{n\rightarrow\infty}{a_n}$ exists and find it.


How to repeat a key in mac while holding down?

keyboard no longer repeats keys when held down


If $4^n + 2^n + 1$ is prime, then $n$ must be a power of $3$

If $n\in\mathbb N$ and $4^n+2^n+1$ is prime, prove that there exists an $m\in\mathbb N\cup\{0\}$ such that $n=3^m$.


How to recover data from inaccessible Mac hard drive?

Recovering data off of a dead hard drive


What is the __dict__.__dict__ attribute of a Python class?


Why couldn't wizards in the Harry Potter world create Muggle money and use it to buy gold?


Selecting the most recently added record to the database in Mysql


Cannot connect to any Wifi network in Ubuntu 20.04

How to install Wi-Fi driver for Realtek RTL8821CE on Ubuntu 18.04?


How to show that the modulus of $\frac{z-w}{1-\bar{z}w}$ is always $1$?


Instructions on how to build electronic devices


Detecting if user is using proxies or vpn

How do you detect a VPN or Proxy connection?


Is there is a way that program is not asking for Admin password?

Elevating process privilege programmatically?


Existence of an inverse number to zero (null)? Existence a meta of number?

Allowing the zero element in a field to have an inverse


How to find web hosting that meets my requirements?


Estimate for $\sum_{q=1}^{M}\frac{\varphi(q)}{q^{2}}$ Related to Bourgain Paper


Run Application from C# in a different context


Inviting chat users to participate in external surveys


why is my if statement executing when the conditions are not true?


Determine CPU, Memory, Disk Usage data for C++ Application

How to determine CPU and memory consumption from inside a process?


Data and Partitions Recovery after Clean command

How to restore partitions and data after diskpart "clean" command?


Stopping a .py file from running in background using kill -9 doesn't work


Could not get lock error when trying to install wine

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


notifyDataSetChange not working on RecyclerView

Update ListView in the main thread from another thread


MSI Bigfoot gaming LAN Killer e2200 not working

How do I get a Qualcomm Atheros Killer E2200 gigabit ethernet card working?


Can you charge your laptop's battery by plugging a phone via USB?

Can I charge a computer through its USB port?


If $ka_k \rightarrow 0$, then $\sum a_k$ converges.

Finding counterexamples for infinite series.


Java does not support multiple inheritance, but in case of interface it does! what does it really mean?

Why is there no multiple inheritance in Java, but implementing multiple interfaces is allowed?


Filter unique lines from a text file in Python

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


How to remove the tab-like space after an empty line?

How to disable automatic indentation on new paragraphs?


Classifying functions that satisfy $|f(x)-f(y)| \leq M|x-y|^{\alpha}$

How to show that every $\alpha$-Hölder function, with $\alpha>1$, is constant?


Need some new solution to shrink my SQL Server database log file

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


Error while loading question on SE Android app

Official StackExchange app says my question is not available?


Bash script doesn't executed properly inside docker container

Which shell interpreter runs a script with no shebang?


Dell Latitude E5550 M.2 slots - what can I use?


Unwanted patterns in texture from repeated, seamless image


Is it possible to die while wearing the Cloak of Invisibility?

Why did Malfoy's Petrificus Totalus work on Harry while he was wearing the Invisibility Cloak?


How much money do I need to show I have to visit the UK from Egpyt?

How much money do I need to show as proof of support when applying for a UK Standard Visitor visa?


How to permanently get rid of the underline of hyperlinks in Microsoft word?

What is the style used for visited hyperlink in MS Word?


What happened to the rest of Luke's pupils?

Did the students who fled with Kylo Ren become the Knights of Ren?


addEventListener doesn't work in IE (tested in IE8)


How do I convert a date/time to epoch time (unix time/seconds since 1970) in Perl?


Simulating group_concat MySQL function in Microsoft SQL Server 2005?


A funtion and its fourier transformation cannot both be compactly supported unless f=0


What power did Harry Potter have to kill Voldemort?

Were there any canon examples of Harry being an innately powerful wizard?


how to detect in which page we are Rails

Best way to highlight current page in Rails 3? -- apply a css class to links conditionally


Adding a default value in dropdownlist after binding with database


How to pass several values as parameters in a method?

How can you use optional parameters in C#?


How to set the number of neurons and layers in neural networks


I have changed the root folder/files permission what should I do?

What if I accidentally run command "chmod -R" on system directories (/, /etc, ...)


phpmyadmin table values over 100 get changed to 99.99999999

How to store longitude and latitude in database. MySQL won't go further than -99.9999999


Attaching Custom Data to the blend file, scene, objects

How to register global (i.e., unique per file) properties?


How do I avoid the "S to Skip" message on boot?


Awaiting AE recommendation - Can be rejected?

What does the typical workflow of a journal look like?


Exporting feature class into multiple feature classes based on field values using ArcGIS Desktop?


is "from within you ", two successive prepositions possible?


Is it possible to use html attributes in sass if?


What are the minimum specs for Ubuntu server to host a subversion repository?

Can you help me with my capacity planning?


ExtentReport - Null pointer exception while running tests in parallel

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


What is the physical meaning of the characteristic impedance of a transmission line?

Transmission line reflection. I would like a non-mathematical explanation


If $E(X_{n+1}\vert \mathcal{F}_{n})\leq X_{n}+Y_{n}$ and $\sum Y_{n} < \infty$ how can I define a supermartingale?

Prove a.s. convergence of $(X_n)_n$ satisfying $E(X_{n+1} \mid F_n) \leq X_n+Y_n$ for $\sum_n Y_n<\infty$


My user and password is correct, but Can't login a flash of black screen and then back to login screen?


Why i can't get an elements from Set by using For Loop?


Where can I ask about citing a legal statute?


What are virtual objects, Reflection of light?


Lenovo G580 Athreos AR9485 wifi very weak

Atheros AR9485 wifi disconnects randomly


Insert multiple rows into table sql, oracle

Best way to do multi-row insert in Oracle?


Show that there can only be finitely many numbers $n \in \mathbb{N}$ for which $f(1/n) = 1/(n + 1)$.

How to prove that there are finitely many $n$ such that $f(1+1/n) = \frac{1}{n+1}$?


How can the charging time of a cell phone battery be calculated?

How to Calculate the time of Charging and Discharging of battery?


Can a Wild Shaped Druid regain hit points after a short rest?

Do a druid's uses of the Wild Shape feature recharge if they take a short rest while still in Wild Shape?


How do I prove this combination equation using induction?

Inductive proof that ${2n\choose n}=\sum{n\choose i}^2.$


Exporting data from ArcGIS Desktop to .txt?

Converting shapefiles to text (ASCII) files?


Do we have binary dividers cicuit on cisc computer?

Do we have binary dividers circuit in CISC computers?


Show $\frac{1}{2}<\sum_{n=1}^\infty\frac{(-1)^{n+1}}{n^p}<1$ for all positive number $p$.


Are there types of passive RFID tag which can connect to control logic?


Macros with \fi for showing and hiding proofs

Line break in a modified proof environment (with show/hide feature)


How to set all locale settings in Ubuntu


Random 10 letters .exe file at startup takes up 150MB of RAM then immediately kill itself

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


Why doesn't Star fleet utilize basic protective gear in hazardous environments?

Why don't Starfleet Officers wear protective gear when going abroad?


Slow transfer with memory stick (819 kb/s)


What's the simplest way to wrap extruded text around a cylinder?


Not able to attach event handler to dynamically added input fields using jquery

Event binding on dynamically created elements?


Are there any instances of an individual whose Animagus form is a magical creature?

Can an Animagus take the form of any animal?


How can I enable all installed Gnome Shell Extensions?


Null Pointer Exception while calling start() method

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


What does the symbol $\sqsubset$ mean? Is it the same as $\subset$?

Does $\sqsubset$ have any special meaning?


Prove a set is still linearly independent when transformed using an injective linear map

Showing that a one-to-one linear transformation maps a linearly independent set onto a linearly independent set


Which book is best from David lay or Hoffman or Gilbert Strang for linear algebra.

What is a good book to study linear algebra?


How can I convert/migrate root f/s to LVM 2 Ubuntu 14.04.3 LTS?

How to migrate Ubuntu12.04 to LVM without any data loss


How to add a subdomain for every user that registers with PHP on Apache?

How to let PHP to create subdomain automatically for each user?


Interpretation of the p-value of the y-intercept coefficient in a linear regression

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


On a plane, can my friend sit in an unused seat next to me if we didn’t pay for seats?


Why are centrifuge space-station designs not a reality?

Will a machine or a technique ever be possible that allows artificial gravity in interplanetary space?


Total number of combination or combinations

Does "the same number of people" behave as singular or plural?


how to add labels to x and y axis in figure environment


multi select box selected background color

How to apply background-color to a selected option?


how to not load entire script if viewport > X


Unable to retrieve row from MySQL using PHP

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


Looking for the title of a story with a shoplifter gathering items for beings in another universe via a portal hidden in a bag

Short story about a hole to another universe that pulls in metal


https works on webmin but not on domain name

What causes the 'Connection Refused' message?


Bibliography - Only the cited items appear

Using BibTeX/biblatex to make a list of references without having citations in the body of the document?


How do I restrict my kids' computing time?


Ajax example dependent dropdown callback

Resolve the error "An illegal choice has been detected..."


How to enter matrices in block matrix format?


if else is not working in selenium webdriver when using equalsIgnoreCase

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


What does matrix transposition represent?


How can I set up bootchart in Ubuntu 15.10?

How to access the grub boot menu in order to generate bootchart?


Qt NetworkAccessManager how to download file via HTTP

Sending an HTTP request using QNetworkAccessManager


Create PDFs that assume different colours on screen and on paper

Implementing full-page Screen-Only & Print-Only in PDF


can I install Ubuntu without a graphics card?

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


Can I disprove a claim using the contrapositive?


How can I change the style of listing captions to "Listing. #"?


CSS How to set div height 100% minus nPx

Setting width/height as percentage minus pixels


Getting separate parts of a regex in javascript match

How do you access the matched groups in a JavaScript regular expression?


Prove that $2^q+q^2$ is divisible by 3 where $q$ is a prime and $q\geq5$.

Prove that $n^2 + 2^n$ is composite if $n\not\equiv3\pmod{6}$.


IndexError: list index out of range and python


Pixelated display as if my display was 16bit


Passing windows credentials through web application, to WCF

WCF windows authentication security error


Would birds be able to fly if the air had no viscosity?

Does a wing in a potential flow have lift?


Why do I get a whitescreen when logging in to my PHP CMS? Without passwords this time


Is there a single word for someone who seems saintly but is not?

What is an idiom/slang for "someone who pretends to be good when they're not"?


Theorem of Primes in Arithmetic Progression

Dirichlet's theorem on primes in arithmetic progression


Will the JVM garbage collect orphaned cycles in memory?


Does existence of nonzero linear functional depends on axiom of choice?

Existence of non-trivial linear functional on any vector space


Effective marketing strategies for independent game projects


Unfortunately application has stopped android emulator genymotion


Why do all my custom post types return a 404, even after resetting the permalink?


Integral of 1/x- why does it behave this way?

Demystify integration of $\int \frac{1}{x} \mathrm dx$


Higher Amperage and Higher Watt for Laptop Charger

Are universal power supplies for laptops worth it?


calling Thread.sleep() after modifying the UI appears to result in a runtime error

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


Adding to the Font Options in CKEditor 3


How should I punctuate around quotes where the punctuation required by the quote interferes with the punctuation of the sentence?


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


"Invalid Session (Try restarting your game)" Minecraft online-server error

Failed to Login : Invalid session (Try restarting your game) Minecraft Error


Where do I add modules to initramfs? (15.04)


disable print screen key using javascript

Stop User from using "Print Scrn" / "Printscreen" key of the Keyboard for any Web Page


How can I round values to the next .5 for every number where decimal part is greater than 0 using c#:


Existence of multiplicative inverse in field $\mathbb{Q}(\sqrt{d})$


Laravel Populate Select with Concatenated String

Laravel - Populating Select List with Derived Values


using sed to find and replace, not adding

What characters do I need to escape when using sed in a sh script?


Find all the ring morphisms from $ℤ_{15}$ to $ℤ_3$.

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


How do I create my own URL protocol? (e.g. so://...)


How to define a circle shape in an Android XML drawable file?


addition of two ruby floats gives unexpected result


How to define function on click, after element append in dynamically or (setTimeInterval)

Event binding on dynamically created elements?


What is the difference between using RequestScoped (faces) and RequestScoped (context)

Backing beans (@ManagedBean) or CDI Beans (@Named)?


Transferring via Origin: 'Star Wars Battlefront'. Can I resell?


Are there simple rings that are not division rings but have no zero divisors?

Simple Noetherian domain which is not a division ring


Why doesn't my page-mod contentStyle font-face rule in Firefox Addon work?


Is Hindawi journal credible and valuable publication?

How do you judge the quality of a journal?


Can the relative pronoun "whose" be used for animals, things and countries?

Can “whose” refer to an inanimate object?


How can I check if a player has an item with a colored name in their inventory?

How do I execute for a player wearing armor with a colored name


V.I. Arnold says Russian students can't solve this problem, but American students can -- why?


Prove that $\int_{0}^{\infty}\frac{\sin(x)}{x}dx=\frac{\pi}{2}$ using contour integral

Computing $\int_{-\infty}^\infty \frac{\sin x}{x} \mathrm{d}x$ with residue calculus


Reduction of matrix $A$ to $B$ to find eigenvalues by Power method

Approximate the second largest eigenvalue (and corresponding eigenvector) given the largest


UK visa refusal on V 4.2 a + c (and sometimes 'e')


What is the role of the asterisk before the parameter?

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


Strange Behaviour of Strings when using with java.util.Scanner


iOS 7: Is it possible to make UIView's background transparent to show the blurred background?

How to set all the backgrounds transparent so that the home screen could be seen?


Regex for multi line search that should select text "abc" which comes before the text "xyz" and should not select anything except "abc"


How to use GROUP BY to concatenate strings in SQL Server?


NullPointerException when trying to call paint method

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


No injection between the power set of a set A and the set A.

Non-existence of a Surjective Function from a Set to Its Subsets (Cantor's theorem)


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


Show that $\frac{1}{a}+\frac{1}{b}+\frac{1}{c} \geq \frac{9}{a+b+c}$ for positive $a,b,c$


Bash script with execute permissions won't run with double click

How do I run executable scripts in Nautilus?


Unable to install VirtualBox Guest Additions for Ubuntu 18.04

How do I install Guest Additions in a VirtualBox VM?


How to remove Ubuntu and put Windows back on?


Denote $y_n=\int_0^1{\frac{f^{n+1}(x)}{g^n(x)}}dx$ for all integer $n \geq 0$. Prove that $(y_n)_{n \geq 1}$ is an increasing and divergent sequence.

Let $f,g$ be two distinct functions from $[0,1]$ to $(0, +\infty)$ such that $\int_{0}^{1} g = \int_{0}^{1} f $.


How to find the difference of lines in two directories?

Comparing the contents of two directories


Cite 5 authors in the first citation in your TeX file?

How can I implement a comprehensive apa-style citation and bibliography


E: The repository 'https://download.01.org/gfx/ubuntu/17.04/main zesty Release' does no longer have a Release file

Cannot remove a repository that complains it has no public key


QGIS merge selected features tool malfunctions due to geometrical errors

Where to report QGIS and QGIS-Plugin bugs?


error C3493: 'variable' cannot be implicitly captured because no default capture mode has been specified

Compiler error C3493: 'func' cannot be implicitly captured because no default capture mode has been specified


Weird box that I can't get rid of on the viewport


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


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


Why has the human eye evolved to become sensitive only to the visible light?

Why is human vision restricted to 400-700 nm?


General rule for where to exchange cash: country of departure or destination?

When traveling to a country with a different currency, how should you take your money?


What is the purpose of static keyword in array parameter of function like "char s[static 10]"?


Get the MAC address and IP Address of a client vists my site

How to get Client Machine's Mac Address in a Web application


Alternative proof for $[\mathbb{Q}(\sqrt{p},\sqrt{q}):\mathbb{Q}]=4$

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


Why should we typedef a struct so often in C?

Difference between 'struct' and 'typedef struct' in C++?


Create files in folders created by other users

I cant get samba to set proper permissions on created directories


Using combinatorics to show that $x^{\overline n}=\sum_{k=0}^{n}{ n\brack k}x^k$

Combinatorial proof for Stirling number of 1st kind's generating function


How to have unconnected points on a plot?

Get default colored plots with "no markers" command in pgfplots


Find all integer solutions to the equation $x^2 − x = y^5 − y$.

Finding integer solutions of $m^2-n^5 = m - n$


Entire function bounded by polynomial of degree 3/2 must be linear.


Python: Converting from ISO-8859-1/latin1 to UTF-8


When does Hom functor commutes with direct sum in the second slot

$\hom (M, \coprod_i N_i) \cong \bigoplus_i \hom (M, N_i)$ in abelian categories when $M$ is simple?


How to avoid NetworkOnMainThreadException?

How to fix 'android.os.NetworkOnMainThreadException'?


Migration from SherlockActionBar to ActionBar


Programmatically obtain the phone number of the Android phone


Is R's glm function useless in a big data / machine learning setting?

Logistic regression in R resulted in perfect separation (Hauck-Donner phenomenon). Now what?


Why some posts have all community-wiki answers?


Reference - What does this error mean in PHP?


How to use jQuery variable inside php code?

How to pass jQuery variables to PHP variable?


How can I remove a directory of many files quicker?

What's the fastest way to remove all files & subfolders in a directory?


Is a Hunter 2/Cleric 1 a 3rd-level caster?

Do Caster Levels from different sources stack?


Why is integral a proper inner product of polynomials?

Prove the integral of $f$ is positive if $f ≥ 0$, $f$ continuous at $x_0$ and $f(x_0)>0$


How to add dynamic key in javascript object and remove that after operation has completed?

How do I remove a property from a JavaScript object?


"We just need to rename" or "We need just to rename"


How to get the latest timestamp (Max) in a column

Fetch the row which has the Max value for a column


For any composite modulus $n$, there are two consecutive integers whose product $\equiv 0 \bmod n$


Replace all occurrence of character except first one

Replacing pattern after nth match is found on each line?


How can centripetal acceleration not change speed?

Why normal acceleration doesn't bring a change in speed?


Max supported external display resolution @60z for 2012 Macbook Air?

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


Non-offensive substitute for a swear word


What does this notification icon mean? Samsung s7


$G$ be a free abelian group of rank $k$ , let $S$ be a subset of $G$ that generates $G$ then is it true that $|S| \ge k$?

rank of the free group: $\mathrm{rank} F_X=|X|$


Why 2nd scanf doesn't work in my program?


Background color being canceled by "float"

Background color doesn't work after float


Reload div after deleting row in table AJAX PHP MySQL

Event binding on dynamically created elements?


Script tag not working when loading PHP page

How do you execute a dynamically loaded JavaScript block?


Can a PictureBox show animated GIF in Windows Application?


PS4 controller shows up wired, but not on bluetooth for Windows 10

How do I connect my ps4 controller to my pc using bluetooth


UK Visitor visa refused, despite lots of evidence

UK visa refusal on V 4.2 a + c (and sometimes 'e')


Is it possible to let a user change value of a single field in their account profile without going to the user edit page?

Is it possible to make a second "edit account" page that only allows users to edit some profile fields?


Does a sequence of equicontinuous functions have a pointwise convergent subsequence?

Does this function sequence have a convergent subsequence?


How does cores/logical cores handle the threads

Can a multi-core processor run multiple processes at the same time?


How to fix android.os.NetworkOnMainThreadException

How to fix 'android.os.NetworkOnMainThreadException'?


Strange Behavior in Python's Remove Function


Are feature selection methods prone to multicollinearity?

How to deal with multicollinearity when performing variable selection?


What are the rules about laptops and the United States?


For any prime number $p$ and natural number $i < p$, prove that $p$ divides ${p \choose i}$.

Proving prime $p$ divides $\binom{p}{k}$ for $k\in\{1,\ldots,p-1\}$


Android NullPointerException for findViewById on spinner

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


Resolving Java script Alert that This page was unable to display Google Maps element?


Why does Harry Potter 6 look like it does?


Cannot find "Run Ubuntu alongside with windows" option when installing

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


Proving $a_{0} = 1$, $a_{n + 1} = \sqrt{1 + a_{n}}$ converges to the golden ratio

Prove that the limit of this sequence is $\frac{1}{2}(1 + \sqrt{5})$


MS SQL, see if any items in one list match items in another list


How to prove that $a \cdot b$ is not divisible by 5 for $\frac{1}{1} + \frac{1}{2} + ... + \frac{1}{99} + \frac{1}{100} = \frac{a}{b}$?

Prove that neither $A$ nor $B$ is divisible by $5$


Any way to represent number that comes after repeating decimal?

Does $1.0000000000\cdots 1$ with an infinite number of $0$ in it exist?


Why did they not know that a soul was needed for the Soul Stone?


Extreme point of unit balls, over $\mathbb C$

Extreme point of unit balls, the complex case


Unable to resolve unmet dependencies for GUI - linux 20.04.1

Unable to correct problems, you have held broken packages


Is it safe to leave butter at room temperature?


What is the smallest value of n such that an algorithm running at 100*n^2 operates faster than 2^n ? [How to figure out without brute force]


Word for a place where knowledge is shared

Phrase to refer to community of people who come together to exchange knowledge


Formula for the expectation $E|X|=\int_{0}^{\infty} P[|X|>t] dt$

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


Has any author ever attempted to explain Magneto's fitness and longevity?


Unable to download updates from extension.gnome.org : Cannot resolve hostname?

Unable to download updates from extensions.gnome.org


Detailed Bathymetric/Bathymetry contour data (0-200M)


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


Any radio waves in spectrum of heat radiation?

Why does thermal radiation only occur at infrared and visible frequencies?


why cant i break blocks in Minecraft but still kill animals?

I can't destroy blocks in Minecraft Creative Mode (singleplayer)


Homotopy invariance of singular cohomology groups

Why is homology invariant under deformation retraction/homotopy equivalence?


How does an on hold question affect reputation?


Duplicating SOF questions on other resources

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


Generating a broken or snipped axis in ListPlot


My iPad has a popup saying I have a virus


primefaces selectOneMenu doesn't working when it should

How do UISelectOne and UISelectMany components preselect defaults in f:selectItems


Event binding on dynamically created elements?


Unable to correct problems, you have held broken packages ERROR

E: Unable to correct problems, you have held broken packages


Oracle sql output use as tablename in FROM statement


Yearling badge awarded to the same user in two days

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


Why hash the message before signing it with RSA?


What are the main differences between composition and inheritance?

Difference between Inheritance and Composition


BibTeX loses capitals when creating .bbl file


Install Java 1.4.2 on recent Amazon Linux

JDK 1.4.2 - where can I download the source?


How should I handle undefined references with XML::Simple?


Addition of floating point, Why the First code work


Did Emperor Palpatine break the Rule of Two?

Are there too many Sith in The Phantom Menace?


Loading and modifying an alias in command line

Can I pass arguments to an alias command?


getting error while overrideing equals method

Overriding the java equals() method - not working?


Is it possible to create commands, put it in one file and run without "./"?

How to run scripts without typing the full path?


Suppressing output in python subprocess call

How to just call a command and not get its output


Is microtype fully supported now by XeLaTeX? If not, how can I keep myself up-to-date?


Why can't "your communities" be edited on mobile?

"More Stack Exchange Communities" link broken


Find a line in quotes after known word in a file in php


How to find place of burial or cremation in Gloucestershire?

Verifying birth & death details in England for the 20th century?


What does | symbol near end of a command do?

What are the shell's control and redirection operators?


Java implicit casts that can lead to precision or magnitude loss?

Why don't Java's +=, -=, *=, /= compound assignment operators require casting?


How to fade two images together in Sketch


Can the banner in the Home Edition be removed?


keep root div center to page when window size changed

centering root div through percentage width in all kind of resolutions


Evaluate the integral: $\int_{0}^{\infty}\frac{\mathrm{e}^{3x}-\mathrm{e}^{x}}{x\left(\mathrm{e}^{3x}+1\right)\left(\mathrm{e}^{x}+1\right)} \, dx$


Cannot zoom in and out of nib in the new Interface Builder


"Billing not supported" error in Google Play

This version of the application is not configured for billing through Google Play


apt-get update&upgrade unmet dependency: python3-plainbox

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


How could I quickly find a recursive symbolic link?

Is there an algorithm to decide if a symlink loops?


Counting the instances of specific words in a text, using awk

Get text-file word occurrence count of all words & print output sorted


Why we take mean of squares in RMS Current instead of taking mean of absolute value of current?

Why do we use Root Mean Square (RMS) values when talking about AC voltage


random nullpointerexception on bufferedreader?

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


Reduced mass in quantum physics (Hydrogen Atom)


'explicit' keyword in g++ has no effect for simple constructor (not copy/assignment constructor)?


Are gravitational waves subject to gravitational lensing?

Do gravitational lenses work on gravitational waves?


What is the Java equivalent of Objective-C's NSDictionary?


Static Dropdown to Dynamic Dropdown Coldfusion


Android NFC - Attempt to invoke virtual method 'boolean android.nfc.Tag.hasTech(int)' on a null object reference


Much Less ≈ Still Less : How do the 2 words in each compound to mean 'let alone'?

Not to Mention ≈ [Let Alone ≈ Much Less ≈ Still Less]


Sass .scss: Nesting and multiple classes?


If any alternative numbering systems exist that simplify thinking about arbitrary numbers


Find the recurrence relation a(n) = a(n−1) + n with a(0) = 0

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


What is the origin of the Dirac delta term in the dipole electric field?


Installation not giving option to install along side Windows 8?

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


Filter for post_thumbnail: link to small src and add data-attribute

How to replace the_post_thumbnail template tag and show the first inside the post image instead


Replace only first match using preg_replace

Replace string only once with php preg_replace


Arithmetic to get correct decimal number instead of exponential number in c++

How To Represent 0.1 In Floating Point Arithmetic And Decimal


Able to see a variable in print_r()'s output, but not sure how to access it in code


If $a $ divides $b$, then $(2^a-1) $ divides $(2^b-1)$

Prove that if $d$ divides $n$, then $2^d -1$ divides $2^n -1$


Getting system Timezones in different languages


Different wallpapers on different desktops

Is it possible to have a different background for each workspace?


Where can I find the source code of command line programs and how should I implement custom ones?

How can I find the source code for linux commands?


How do I boot from ISO file stored on hard disk?


Understanding Google App Engine Pricing for Websites ~ Should I change to dedicated website hosting?

How to find web hosting that meets my requirements?


Why do speakers from India frequently overuse the phrase "the same"?

Using the expression "the same" for a previously mentioned item


How do we know the Riemann Sum gives us the area under the curve?

Why is the area under a curve the integral?


How does the hydrogen atom actually "look like"?


How can glass breaking effect from Smash Hit be achieved?


How many continuous functions exist such that $\int_{0}^{1} f(x)(1 − f(x))dx = \frac{1}4$?

How many continuous function $f(x)$ exist such that $\int_{0}^{1}f(x)\big(1-f(x)\big)\mathrm dx = \frac{1}{4}$?


Tesla patented a device he believes gathered energy from light. (US 685,957 - Apparatus for the Utilization of Radiant Energy):

Does Tesla's photoelectric "solar cell" really work?


Proving that $ka \equiv kb \pmod{m} \iff a \equiv b \pmod{m/\gcd(k,m)}$

$ac\equiv bc \pmod{\!m}\!\!\iff\!\! a\equiv b \pmod{\!\!\frac{m}{(c,m)}}$ [Euclid's Lemma, congruence form]


im getting Null Pointer Exception, cant find the mistake in here

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


Figure to Fig in both Caption and Autoref


Can't import importlib even though its on path

from django.utils.importlib import import_module ImportError: No module named importlib


waitall for multiple handles on sta thread is not supported

WaitAll for multiple handles on a STA thread is not supported


How to prevent QGIS (MMQGIS plugin) from interpreting numbers as strings

Changing CSV layer attribute value from text to number in QGIS?


Why is the type of the main function in C and c++ left to the user to define?


Alternative ways to update apps via App Store

Mac App Store update stuck (Installing - Calculating...)


When clones died during battle what would they do with them afterwards?


How to put one symbol that spawns several itemized lines in Beamer Presentation?

How can I create a brace spanning multiple lines on the right side of an itemized list?


Where is "Film" setting to allow rendering transparent background?

Can Blender render pngs with the background transparent?


How does the Appraise feature's results correlate with IVs?

What does Pokémon Appraisal actually tell you in Pokémon Go?


Prove that for any integers $a, b, c, d$ number $(a^2 + b^2)(c^2 + d^2)$ is a sum of two squares of integer.

The product of two numbers that can be written as the sum of two squares


Screenshot app which allows getting only a part of a window when you can't use prtScr button

How to take a screenshot of a whole desktop with app menu selection?


No such file or directory error at log in after I downgraded from Ubuntu 18.10 to 18.04

bash: /usr/bin/locale-check: No such file or directory error after i downgraded from ubuntu 18.10 to 18.04


Safe way to use something like bind_param() to set cellname and detail

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


How to append many objects without appending materials


Analyzing the given condition for a twice differentiable function $(f(0))^2 + (f'(0))^2 = 85$.

For every twice differentiable function $f : \bf R \rightarrow [–2, 2]$ with $(f(0))^2 + (f'(0))^2 = 85$, which of the following statements are TRUE?


Are you able to attack a dark elixir storage without own elixir storage?

Can Dark Elixir be stored without a storage facility


Is there anyway to dismiss a limit break and not use it?


post-apocalyptic novel (farmers & a Russian airman)

Teenage girl in life-sustaining valley on poisoned Earth visited by another survivor


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


Show the fate of the suggested edit in the history tab

Adding the consensus to review's history


Realistically-looking feature film - menacing microscopic life-forms discovered during Apollo-like moon landing


second derivative of the inverse function


Are there alternatives to Adobe Creative Suite?


Using AddJoin_management gives ERROR 000840?

ERROR 000840: The value is not a Raster|Raster Catalog|Mosaic Layer from arcpy.AddJoin_management()?


Nothing in the scene appears when i hit render


Detecting collision of two sprites that can rotate


How to plot market share data in standard form


Populating TableView from Sqlite DB throws NullPointerException

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


Is there any child safety software for Ubuntu?

Parental controls with different settings for different users


Russian matryoshka doll of optional arguments

Bug? LaTeX misparses nested optional arguments


Variable arguments function, passing values to another function

Passing variable arguments to another function that accepts a variable argument list


how to compile and execute java code file in c# dynamically by passing params


Recently expired kit. Is the yeast still ok?


Finding exact isomorphism between finite fields given as quotient rings

Exhibiting an isomorphism between two finite fields


Word for a person who wants to have problems to gain attention or sympathy

Is there a word for someone who somewhat delights in their illnesses/medications?


Python print one by one list and add count


Is it possible for an inner class to access outer class instance variables?

Keyword for the outer class from an anonymous inner class


Why question mark instead of text in PDO?


Formatting a number with exactly two decimals in JavaScript


JSF 2.0: use Enum values for selectOneMenu

How to use enum values in f:selectItem(s)


Mean of fractions or fraction of means? When to use mediant and when to use mean?

Difference between $\sum_{i=1}^{k}{\frac{s_i}{kn_i}}$ and $\frac{\sum_{i=1}^{k}{s_i}}{\sum_{i=1}^{k}{n_i}}$


How do I change time in ubuntu from local to UTC


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


How to get list of installed packages with installation date?


How to see all methods, objects, dataframse, etc of a package in R?


How can I do mass installs on multiple computers?


Hosting Requirement for an Online Journal and Advice

Can you help me with my capacity planning?


C++ Too many destructors called so few objects


I am confused on how to think about potential energy stored in capacitors

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


Let $a_n$ be a sequence s.t $a_1 > 0 \land a_{n+1} = a_n + \dfrac{1}{a_n}$. Prove that $a_n$ is increasing and tends to infinity


Help on how to find an equation of a plane passing through a line and a point.

Find the equation of a plane containing a point and passing through a line


Layover at Narita, Japan. Do I need a transit visa?


In Iframe if i set Hypelink targer attribute as"_self" not working

Setting HTML Frame src to google.com; not working


Is this query secure from sql injection?


Nonzero $f \in C([0, 1])$ for which $\int_0^1 f(x)x^n dx = 0$ for all $n$


R is a quasi-semi-local ring, I is ideal of R. Prove Jac(R/I)=(JacR + I)/I

Image of Jacobson Radical is the Jacobson Radical


PHP: Convert date from Y-F-d format to Y-m-d format

Convert one date format into another in PHP


How to release the space took up by specify variable

What are the most common pitfalls awaiting new users?


Is a superconductor really a super conductor?


How to unable and uncheck other checkbox if one is check using jquery?

Setting "checked" for a checkbox with jQuery


Suggestion: what is the verbal component?


Concatenation script is not working as expected

Bash variable substitution of variable followed by underscore


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


How I can Remove NullpointerException in this case?

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


How do I copy files from the windows file system to the Ubuntu file system on Windows 10

How to use win explorer to create folders for Bash on Ubuntu on Windows?


How do I instantiate a string array object into a Spring.Net container?

Property Inject an Array with Spring.Net


Error output when ([D@7852e922) trying to print a double array

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


Why is the Flash always so slow in key moments?


What is taking up so much space on my disk, beside the filesystem?


Removing a line break following \item before \begin{align*}

How to split and align equations when they are inside an enumerate environment?


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


How do I ensure my skybox is always in the background, with OpenGL?


Caused by: java.lang.NullPointerException on onClickListener

NullPointerException accessing views in onCreate()


How can I capture KeyDown event on a WPF Page or UserControl object?


Can I control depth of focus (v depth deph of field)


Give Non Root group of Users access to start mysqld service

Give Non Root user access to start mysqld service


Unwanted comma between author and year using citet command


Get the class name using class attributes

How enumerate all classes with custom class attribute?


MySQL + JAVA Exception: Before start of result set

ResultSet exception - before start of result set


GHDL in Ubuntu 18.040 LTS GTKWAVE VLSI FPGA VHDL

How do I enable the "Universe" repository?


Solve the hanging rope shape using the variational principle?

Shape of a string/chain/cable/rope/wire?


Make winter bash dropdown act like the other dropdowns

New Winterbash menu doesn't open on hover


How to write PIs asking for PhD position?

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


My ext4 file system actually contains 2/3 as much as df/tune2fs says it does. Why?

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


Cosmic Expansion - Why aren't we ripped off yet?

Why does space expansion not expand matter?


Attempt to invoke virtual method '' on a null object reference

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


Java problems with Variables and Methods

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


Is Stack Overflow a suitable place for a WordPress question?


Given positive $a, b, c$, prove that $(a^2 + b^2 + c^2)^3 \ge (a^3 + b^3 + c^3)(ab + bc + ca)(a + b + c)$.


Relative paths based on file location instead of current working directory

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


understanding the commutator of dihedral group


When to use an object or an array in javascript?

Why can I add named properties to an array as if it were an object?


Matrix determinant where $a_{ij} = i + j$

Let $A$ be a $n\times n$ matrix with entries $a_{ij}=i+j $ . Calculate rank of $A$


naming a property with inbuilt definition. Invalid token in class

How do I use a C# keyword as a property name?


$f(x)$ is continuously differentiable on $[0,1]$, prove that $ (\int_0^1 f(x)dx)^2 \leq \frac {1} {12} \int_0^1 (f'(x))^2 dx $

How prove this inequality $\left(\int_{0}^{1}f(x)dx\right)^2\le\frac{1}{12}\int_{0}^{1}|f'(x)|^2dx$


Determine if rectangle contains or has intersection with path

How do you detect where two line segments intersect?


What happens if a question asker never marks or hints that an answer as correct?

How do you react to an apparently uninterested questioner?


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


Why does scripting over git branch merged include files in current directory


Java if and else if statements not producing an output


Should I put myself last? "me and my friends" vs. "my friends and me" or "my friends and I"


Why does this loop always return false, when you enter the correct value?


Displaying numerical attributes as strings in ArcGIS Online?

Using File Geodatabase coded domain with ArcGIS Online?


Can a variable become significant when adding new variables to a regression?

How can adding a 2nd IV make the 1st IV significant?


Why does Meta Stack Exchange have a separate reputation system while the other meta sites do not?

Should reputation from SO carry over to Meta?


Why does Brussels airport not inform passengers about gates details? (until the last moment)

Is there a specific reason for having a very short window for passengers to get to the boarding gate before closing it?


Visual Studio C++ - How to avoid Visual C++ Redistributable Packages?

How do I make a fully statically linked .exe with Visual Studio Express 2005?


Regex expression to validate a list of email with ; delimiter at the end of each email address

How to validate an email address in JavaScript


In RAW can a player choose to go later in initiative order?

Can I choose to delay my turn in combat?


double astarisk in python string format method

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


How to automatically create 4:3 AND 16:9 versions of my LaTeX Beamer slides?


How to delete a file with a path too long to be deleted

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


Adding many more neutrons to a nucleus decreases stability?


Unexpected output of expanded value of counter in aux file, when using \DeclareCaptionFormat

side effect of caption package with custom counter


Why does Spock's rapid aging stop after Genesis?

Why didn't Spock die in The Search for Spock?


Why is half of my house without power with no flipped breakers?

Half of my lights and oulets are not working after heavy winds?


Does my age depend on the current timezone?


What is wrong with this proof of: $2+2 = 5$


Make it possible to 'subscribe' to a post

The Follow Questions and Answers feature is now live across the Network


using text-overflow:ellipsis; only when reaching 3 lines in a div


Does the projection from a compact Lie group to its component group split?

Lie Group Decomposition as Semidirect Product of Connected and Discrete Groups


Clone the command prompt display properties

Where are the default settings saved for the Command prompt defaults?


Is there any possibility to open a new tab in existing window in selenium?

How to open new tab in browser in selenium 3.0?


Will denial of entry to the US due to improper documentation affect travel to Canada and other countries?

Does being denied entry to a country affect future travel to other countries?


how to decode UTF8 charset of a subject line of a received email

How do I decode mail header strings with their encoding type in them in PHP


jquery click not working on owl carousel callback

Event binding on dynamically created elements?


Issue filling a list with other lists containing random numbers.

Appending a dictionary to a list in a a loop Python


Strict warning: Only variables should be passed by reference


Pythonic way to access arbitrary element from dictionary

non-destructive version of pop() for a dictionary


Auto-rotate only for YouTube app, disabled otherwise

Is it possible to have the Auto rotate feature turned on or off by app?


Ubuntu 18.04 + Dell XPS 9360 = Suspension doesn't work when I close the lid

Ubuntu 18.04 - Dell XPS13 9370 no longer suspends on lid close


Detect if rectangle intersects with other rectangle in geographic coordinate

Determine if two rectangles overlap each other?


Output formats not showing in heatmap plugin (QGis 2.10.1 in ubuntu 14.04)


installing .deb file without internet connection without software centre

Install button in the software center is grayed out when trying to install .debs without an internet connection


Let $T\in\mathcal L(V)$. Show that if $T^n=0$ then $I-T$ is invertible

Prove that if matrix $A$ is nilpotent, then $I+A$ is invertible.


Adding more features improves the variance explained by PCA but the prediction model performs worse

How can top principal components retain the predictive power on a dependent variable (or even lead to better predictions)?


set On Click Listener feature, an error occurs

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


Populating a field in an attribute table with a consecutive number sequence?

Auto-incrementing field in feature class using ArcGIS Desktop?


How to disable the Keyboard Layouts Choosing screen in Gnome?

How to NOT show keyboard layout chooser popup when changing language in GNOME 3


Wrong icons in the "hot network questions" column


How to create an automator workflow/application to delete jpeg when raw exist

How to delete JPG files, but only if the matching RAW file exists?


JavaScript - Array of Objects - Compare & Remove Duplicates ES6

How to determine equality for two JavaScript objects?


asp.net mvc dropdownlistfor Object reference not set to an instance of an object error

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


How do I run a script in the background and leave it running when I log out?


What's the pros and cons of disabling the swap partition if the RAM is large enough?

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


How might the weight of a falling object affect the damage it causes?


How do we have ${\mathbf {v} }^{\mathrm {T} }{\mathbf {v} }={\mathbf {v} }^{\mathrm {T} }Q^{\mathrm {T} }Q{\mathbf {v} }$?

Must $Q^\mathsf{T}Q = I$ if $(Qx)^\mathsf{T}(Qx) = x^\mathsf{T}x$


Android white image is not white when minSdkVersion="10"

Image does not show completely white despite it's correctly white


Show that $\frac{1}{x-a}+\frac{1}{x-b}+\frac{1}{x-c} =0$ has only two real roots

$\frac{1}{x-a} + \frac{1}{x-b} + \frac{1}{x-c} = 0 $ has precisely two real roots


Comparing Eigenvalues of Positive Semidefinite Matrices


Cycles GPU Render button is looking passive


Expected Number of coin flips for 2 consecutive heads for first time.


How to find cheapest one-day return flight from specific airports to anywhere?

Cheapest flight to anywhere at any given time


Is it necessary to dispose System.Timers.Timer if you use one in your application?


How does quantum entanglement help us communicate?

can we transfer data via quantum entanglement (likewise we communicate today) to a specific target


Chart mouseover shows more rep than I have at edge

Inaccurate reputation graphs - bug or as designed?


display big texts (on a graphic mode?) without a desktop environment

Can I change the font of the text-mode console?


Execute a script upon logout/reboot/shutdown in Ubuntu


What's the difference between Unicode and UTF-8?

What is the difference between UTF-8 and Unicode?


White frames appear after rendering na animation


Fatal Error: Call to a member function bind_param() PHP MySQL Prepared Statements

Reference - What does this error mean in PHP?


== and is not returning the same even though comparing an int

"is" operator behaves unexpectedly with integers


Is there a way to find where other players are in the Minecraft world without asking them for their coordinates?


Should gold tag badges in required tags on meta provide insta-close-dupe functionality?

Let moderators disable the dupehammer for certain tags


Why is cross chaining 'bad', but 1x is OK?


Getting a neural network to approximate x^2


How is private code accessed in nodejs modules?


Is Abraham-Lorentz Force problem still unresolved?

The problem of self-force on point charges


Clicking a  tag to run JQuery javascript function

Event binding on dynamically created elements?


Lost reputation points, when user asking the question no longer exists


'Nirmala questions rich nations' - what does questions mean in this context?


what are the models to distribute tasks in processes using openMPI?


Is it possible to create a keyboard shortcut for changing the color of a cell in Google Sheets?

How to create user-defined key bindings or shortcuts to run App Scripts in Google Docs


Existence of certain hyper surface with no lines in $\mathbb{P}^3_k$ for an infinite field

Surfaces in $\mathbb P^3$ not containing any line


How to access the last element in an array?

What's the best way to get the last element of an array without deleting it?


90s movie about astronauts returning a liquid sample from Venus

Movie about astronauts returning to a post-apocalyptic Earth and starting to fight each other


Showing that $(\partial_{z}f_{n}(z_{n}))^{k} \rightarrow (\partial_{z}f(z_{o}))^{k}. $ via Compact Sets and Cauchy Estimate?

uniform convergence and function $\partial^k f_n(z_n) \rightarrow \partial^k f(z_0)$


If $Y$ is connected, why is $A\cup Y$ connected in this case?


Supporting information self-plagiarism problem?


Why the galaxies form 2D planes (or spiral-like) instead of 3D balls (or spherical-like)?


*** glibc detected *** free(): invalid next size (fast) -- should work?

Facing an error "*** glibc detected *** free(): invalid next size (fast)"


How many of these wrapped Java I/O objects do I have to close?


Python: Splitting a string twice to form a 2D list

how do you split a string to create nested list?


Copy entire directory contents to another directory?

Copying files from one directory to another in Java


Using an Apache rewrite map for multiple hosts?

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


Is there a way to check whether I unlocked the Destiny nameplate?


Linear Transformation - linear algebra question


Set one array value as parameter to another array


How to determine if my code is O(n), O(nlogn),O(1),O(n^2)?

What is a plain English explanation of "Big O" notation?


Behaviour of $f'(1)$ for an analytic function $f$ from open unit disc to open unit disc satisfying $f(0)=0$ and $f(1)=1$

The derivative of a holomorphic function on the boundary of the unit circle


Full reinstall of Windows 10 that came with laptop?

Reset Windows 10 on new computer to remove bloatware


Question on circle and equilateral triangles

Prove the triangle is equilateral given that a quadrilateral related to its circumcircle is a kite


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


File permissions changed but group user can't write in them

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


Merge login/signup for multiple sites on same server

Why is it good save to save sessions in the database?


How to pass all arguments as collection to another function and not as single argument?

Passing arguments forward to another javascript function


Proof by Induction with summation and inequalities

Use Complete Induction of set theory to prove $\frac{1}{\sqrt{1}} + \frac{1}{\sqrt{2}} + \frac{1}{\sqrt{3}} + ... + \frac{1}{\sqrt{n}} > \sqrt{n}$.


\let\foo\bar vs \let\foo=\bar (let with equals sign)


How can I fix sfdx error: "The \"path\" argument must be of type string. Received type undefined"


How to deploy programs on multiple machines


How to isolate bad sectors on a hard disk in Windows 7?


What are the tax etc. implications of giving a friend's company an interest free loan?

How do you declare an interest free loan?


The Monty Hall Problem - where does our intuition fail us?


Relatively closed subset of compact set is compact

Is a closed subset of a compact set (which is a subset of a metric space $M$) compact?


JavaScript object assignment: unexpected behaviour

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


Proving rearranged series for absolute convergence relative to the original

A rearrangement of an absolutely convergent complex series is also absolutely convergent


Lost password, recovery mode doesn't help

How do I reset a lost password (using recovery mode requires me to type the password)?


How to mount problematic internal hard disk using ubuntu 13.10

How do you repair an "input/output error" in an NTFS partition?


Account validation by an administrator with Devise

Devise and user registration requiring admin approval


Basics need to study quantum field theory after graduation?


How does lifelink affect indestructible creatures?

Does a creature with Lifelink provide lifegain equal to its power, or the defender's toughness?


Number of 3 colorings on grid with constraints

Coloring a $3\times n$ board using $3$ colors


Is there any application on Ubuntu equivalent to fedora's 'Connect To'?

Where is "Connect to Server" for ssh connections in Unity?


Do I need a transit visa for a stopover in Dubai for less than 8 hours en route to Australia?

Dubai (UAE) visa requirements when staying in the airport for a French citizen?


How can I make keyboard shortcuts register on key release, rather than on key press?

OS keyboard shortcuts conflict with apps keyboard shortcuts in GNOME 3


How to extract geo data out of a polygon shapefile into CSV KWT

Creating CSV with geometry as WKT in QGIS (with choosing field delimiter)


Preserving signatures of decorated functions


Create grouping variable for consecutive sequences and split vector


C# - Keyword usage virtual+override vs. new


A connect to Computer B using SSH. How to launch firefox in Computer A?

How do I launch a remote firefox window via SSH?


Windows 8.1 manual DNS on a per wifi network basis?

A good solution to switch between different network settings?


Two 3d view windows: one in edit mode, one in object mode

Independent Edit/Object mode in splitscreen


Java Check If Two JTextField Has The Same Content


Bhattacharya Distance on Distributions (Matrices) with Different Number of Variables (Dimensions)

Combining Bhattacharya Distance (or A Measure of Similarity) --- across Different Variables (Properties)


Access database when app is killed gives NPE

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


Collection typed parameters hidden on other methods in generic Interface in Java

Why won't this generic java code compile?


What to do when reviewing the post without radio option?

Bug when marking a question as duplicate


Apply all possible permutations into a function


How to install MySQL on OS X Mountain Lion?


Java Code isn't working properly when it should


Finding remainder of dividing and moding large exponents

Modular exponentiation by hand ($a^b\bmod c$)


Read file that is ignored using browser Javascript

How to access plain text content retrieved via  in JavaScript?


Simple RestFul WebService with Component-scan


How to solve this grub problem on Ubuntu 18.04


Python: Creating a new list out of a range of indices from another list


Prevent Javascript from being executed twice


Why isn't temperature definable for a single, classical particle?

Can a single molecule have a temperature?


Is it illegal to going to someone's bank account and do a transfer?

Scam or not — money transfer in the same bank to my account


Collection of Undergraduate, Graduate, and PhD theses?

Worldwide Dissertation Database? or French, German, Italian ones?


Solving $\lim \limits _{x \to \infty} (\sqrt[n]{(x+a_1) (x+a_2) \dots (x+a_n)}-x)$

How to find $\lim_{n \rightarrow +\infty } \left(\sqrt[m]{\prod_{i=1}^{m}(n+{a}_{i})}-n\right)$?


Fibonacci combinatorial identity: $F_{2n} = {n \choose 0} F_0 + {n\choose 1} F_1 + ... {n\choose n} F_n$


How to prove $1+{x\over 2}-{x^2 \over 8}0$?


Where to put frontend in load balancing configuration

Can you help me with my capacity planning?


How do I remove extra margin space generated by inline blocks?

How do I remove the space between inline/inline-block elements?


how can i recover to my last folder crushed by the installation of new ubuntu


Why is my array element not allowing me to set a value to it?

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


skype 4.3 cannot connect to account on ubuntu 14.04 LTS


Can you help me understand why my answer got down-voted on SO?


Mapping a pure function with multiple slots


different types of array declaration in java

Difference between int[] array and int array[]


Copying mp3 files to an iPad or iPod without iTunes? (from Windows, Mac or Linux)

How do I add music files to my iPhone without iTunes?


How to remove spikes from grid in SAGA GIS?


How to join two JavaScript Objects, without using JQUERY


How to add 24 to the %H part of the enter variable, then store it as the same variable?

What is the standard way to add N seconds to datetime.time in Python?


C# Newly copied Array still keep the relation with the source Array


How to detect when a dynamically generated checkbox is checked?

Event binding on dynamically created elements?


Error Updating: izx/askubuntu/ubuntu xenial Release' does not have a Release file

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


php readdir problem with japanese language file name


How do I return the response from an asynchronous call?


Does a wolf have to hit in order to get the knockdown?

Do lycanthropes need to do damage in order to inflict the curse?


Is the series $\sum \limits_{n=1}^{\infty} \sin(n^2)$ convergent?


Proving that $a_{n} \rightarrow L$ given that $a_{n}+ 2a_{n+1} \rightarrow 3L$ .

With $y_n$ a sequence of real numbers, prove that if $y_n=x_{n-1}+2x_{n}$ converges then $x_n$ also converges


java.lang.NullPointerException: Attempt to invoke virtual method 'long java.util.Date.getTime()' on a null object reference

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


How do I prevent less from clearing the screen on exit?

Is there any way to exit "less" without clearing the screen?


In USA, do I need a 220V to 110V voltage converter for my India 220V laptop?


Can the boy escape the teacher for a regular $n$-gon?


How to capture the output of a Python program running in a subshell?


Copying data instead of references into python closure


I'm an Irish citizen living in a different EU country, can I use my foreign ID if it has my Irish nationality on it

Is an identity card issued to a non-citizen an acceptable document to travel within the EU?


A field initializer cannot reference the non-static field, method, or property 'SignalServer.connectionString' (CS0236)

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


Missing icon for "Show desktop" in Dash in 18.04

How can I add "Show desktop" to the GNOME dash or Ubuntu Dock?


Someone flagged my question as already answered, but it's not


How to use GLUT/OpenGL to render to a file?


What practicable alternative do I have to not fly around the globe to present a poster/pollute environment?

How to promote reduction of carbon footprint for conference participation?


I am having trouble importing a big excel table into latex

Comprehensive list of tools that simplify the generation of LaTeX tables


Use columns from select statement as parameter in function when joining

pass parameter in table valued function using select statement


How to do laundry to kill and prevent athlete's foot fungus?

Disinfecting laundry — that of a likely COVID patient, or of any other possibly-infectious individual


Changing default rounding and alignment for all attribute table columns in ArcMap?

Change default field properties for number format in ArcMap?


What is the easiest way to remove background from an image using Photoshop?

How do I trace an image and place it over a different background?


Why is this basic solution to a differential equation correct?

Is it mathematically valid to separate variables in a differential equation?


Prove that if $\lim_{x\rightarrow a}f'(x)$ exists and is finite for all $a \in \mathbb R$,then $f'$ is continous

Prove that $f'(a)=\lim_{x\rightarrow a}f'(x)$.


Which programs can I use to edit PDF files?


Why do we use encrypt-decrypt-encrypt (EDE) in 3DES, rather than encrypting three times?


Do you know a simple sound booster app for Mac?


Is there any other way to determine result than throwing dice?

What diceless tabletop RPG techniques are there?


Preordering the table by a specified column


What's $dy$ and $dx$, in differential equations?


How to reduce sugar in chocolate chip cookies without losing the texture


Why won't a new Ubuntu 20.04.2 install mount old encrypted home directories?


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


java - Do strings inside methods get loaded immediately at class load time?

Where does Java's String constant pool live, the heap or the stack?


How can I determine what is taking up so much space?

How does one find which files are taking up 80% of the space on a Linux webserver?


ClassNotFoundException: com.mysql.jdbc.Driver. JDBC MySQL driver for web application


How to change the behavior of OS X to when working with multiple applications?

Enable click-through, preferrably for all applications


Is the key deducible with AES CTR when we know about the plaintext, IV and the ciphertext?

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


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


What is it called when reversing a phrase doesn't mean the same as the original phrase?


Why a smaller covariance matrix is valid when calculating Eigenfaces?

Is PCA still done via the eigendecomposition of the covariance matrix when dimensionality is larger than the number of observations?


ClassCastException When converting Collection to array


What time can be considered enough to withdraw my submission?

What does the typical workflow of a journal look like?


how to check class of anchor tag on the basis of its id in watir?


What does {0} mean when found in a string in C#?


What must be the simplest proof of the sum of first $n$ natural numbers?

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


Need out-of-game solution for spell choice paralysis

How can I prevent analysis paralysis when choosing spells?


Evaluate the following infinite sum using a similar convergent one

What's the value of $\sum\limits_{k=1}^{\infty}\frac{k^2}{k!}$?


Why am I getting "IndentationError: expected an indented block"?

IndentationError: unindent does not match any outer indentation level


'npm' is not recognized as an internal or external command + VS Code + Salesforce


A text import screen pops up while trying to copy and paste an xlsx spreadsheet

How to disable Import option in LibreOffice Calc while pasting text in a cell?


Windows Embedded does not honor ShutdownBlockReasonCreate

Preventing Windows 7 embedded standard shutdown


How to fix MySQL anonymous account security issue?


Visa requirements for Filipino traveling to Costa Rica via South Korea and USA

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


How do I multiply the integers between 11 and 30 by 0.015?


Can I put a road bike tyre on a mountain bike?


Does loss of reputation cause loss of privileges?

Can you lose an ability if your reputation falls below a threshold?


Why am I getting a negative balance after subtracting values?

Why is this simple Excel calculation not netting Zero?


for statement will not run in batch script

for loop working in CMD prompt but not in batch file - for loop was copy pasted


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

Unable to create folder/file on root in spite of free space


jQuery .load to bring data is working only the first time

Event binding on dynamically created elements?


Installing php5.5 on Ubuntu 16 with apache2

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


Is it fine to use getter & setter methods in a interface

Java Interface Usage Guidelines -- Are getters and setters in an interface bad?


In the non-English versions of Star Wars, does Yoda switch words around

How is Yoda's speech translated to non-English languages?


Does the magnitude of covariance have any real meaning?

How would you explain covariance to someone who understands only the mean?


Can't compile/link class with templated member from separate .cpp

Why can templates only be implemented in the header file?


How to typeset chapter heading on a page of its own with memoir

Automatically insert a \newpage after chapter headings


How can I Implement Threads on the following code?

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


Some of the encoding of hyphen(-) showing the result â€“ and some are showing correct on same page(DB used is Sql server 2008)


One of is followed by plural noun/pronoun and singular helping verb


My browser connects to a strange website after a certain span of time

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


Macbook Pro 2019 and Dell D6000 docking station battery charging

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


Let $f : \mathbb{R}^{2} \to \mathbb{R}$ be of class $C^{1}$. Show that $f$ not is injective.

Show that no application $f: \mathbb{R}^2 \rightarrow \mathbb{R}$, of $C^k$ class, $k \geq 1$ can be injective


Skyrim thieves guild influence jobs glitch


How is 'via' pronounced and where did these variations come from?


Getting an already instantiated instance variable from another class in Objective C


MLE of a parameter that lies in a certain range


OCPJP 8 What is a Symbolic link using NIO2

What is the difference between a symbolic link and a hard link?


Is a suggested edit thrown out of the Queue when it is ignored/skipped?


"apache2 : Depends: apache2-bin" on Ubuntu 18.04

Unable to correct problems, you have held broken packages


How to remove all elements in String array in java?


Do Category Theory and/or Quantum Logic add value in physics?


could past perfect tense and present perfect tense coexist in a compound sentence. Please do not mark as duplicate if you have not read the question

Why do people sometimes use the past perfect form of a verb when the past would suffice? (e.g. "you had mentioned")


JComboBox Not working properly (I am not passing in a null data)

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


SIM card using an external 3G modem while traveling in Israel


Validation Error:: Value is not valid in Selectone menu


The row is larger than the container in Bootstrap

Bootstrap 3 - Why is row class is wider than its container?


Joining Table/DataFrames with common Column in Python


Integration of $e^{ax}\cos^n bx$ and $e^{ax}\sin^n bx$

Integration of $e^{ax}\cos bx$ and $e^{ax}\sin bx$


Is StringBuilder really faster than Aggreggate?


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


Using setTimeout for a counter creates a strange output?

setTimeout with loop issue with field update


what is the difference between "going to" and "will"?

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


In Doctor who how many times did he regen

Are we sure about the regeneration order of the Doctor?


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

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


Exception with writing new excel file with Apache POI

Why am I getting a NoClassDefFoundError in Java?


How do you challenge the closing of one of your questions?


Why are eigenvalues of nilpotent matrices equal to zero?

Prove that the only eigenvalue of a nilpotent operator is 0?


UK visa for my green card Filipino wife, do we have to have all accommodations paid for and planned in advance

Why doesn't the UK ask for travel bookings for a tourist visitor visa?


Is is possible to change a View's table in PostgreSQL?

Why is it not possible to alter a view with a "CREATE OR REPLACE"?


Issues connecting to friend's Minecraft server with hamachi

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


How to get the wavelength values of bands from hyperspectral image?

Looping through all raster cell values using GDAL via Python?


Convergence of the series $\sum_{1}^\infty \left(1-n\sin(\frac{1}{n})\right)$


Are there any server commands to despawn neutral mobs in Minecraft 1.6.4?


Should I flag answers which contain only a link as "not an answer"?

Can we get some consensus on what flag to use for link only answers?


Is the word "acronym", in fact, clearly defined?

Does pronouncing an initialism make it an acronym?


How to Prove that there exist a $\epsilon\gt$0 such that d(a,b)$\ge\epsilon$ for all a$\in$A and b$\in$B?

A and B disjoint, A compact, and B closed implies there is positive distance between both sets


Is there a possibility to do reviews on a mobile phone?


Fine the value of $P(n+1)$ given values of $P$ from 1 to $n$

Suppose that $P(x)$ is a polynomial of degree $n$ such that $P(k)=\dfrac{k}{k+1}$ for $k=0,1,\ldots,n$. Find the value of $P(n+1)$


Format not available in tag wiki excerpt

Tag links in tag excerpts not shown properly


If I SSH into a server via terminal and start a process to copy files, is it killed after I log out?

How to keep processes running after ending ssh session?


how to display an image from mysql database on a jsp page?

How to retrieve and display images from a database in a JSP page?


What is the difference between char s[] and char *s?


Find the sum of the binomial coefficients


I can't log in after I inserted some variables in my environment file


Is it possible to write a message to the area where the browser shows links, download progress etc.?

How to display text in the browser status bar?


What is the educational path to properly understanding the Higgs Boson?

What is a complete book for introductory quantum field theory?


C# : Convert datetime from string with different format


What would happen if you split an antimatter nucleus?

Can Antimatter undergo nuclear fission/fusion?


My crafting table will not make a fence?


How to determine the class of a generic type?


libssl.so.10: cannot open shared object file: No such file or directory


MongoDB: Updating documents using data from the same document

Update MongoDB field using value of another field


Significant model but not the predictors? (Logistic regression)

How can a regression be significant yet all predictors be non-significant?


Why friction is zero when wheel slip is zero?

Does a tire need to slip to generate force?


How can the Zone of Truth spell be defeated without the caster knowing?


How to get the formatted string of printf?


Perform t-test R two datasets and multiple variables

T test two data set 3 variables per data set, can be used?


Capitalising the first letter of an acronym?


Was Dumbledore being modest when he said He could not beat Voldemort?

Was Voldemort a Better Wizard Than Dumbledore?


How to import pop3/imap mails to new server (backup and restore IMAP/POP3 account)?

Migrating from any IMAP/POP3 server to Dovecot


Draw a circle node with a cross symbol inside it to resemble a multiplier of a signal modulator


Why does multi-user exist in Android if it doesn't work?

Are files created in "/storage/emulated/0" supposed to appear in "/storage/sdcard0"?


Does walking fast prevent eggs hatching?


is md5 encryption still strong for usage to encrypt admin password


Prove that $x^{p^n} -x +1$ is irreducible over $\mathbb{F_p}$ only when n=1 or n=p=2

Why $x^{p^n}-x+1$ is irreducible in ${\mathbb{F}_p}$ only when $n=1$ or $n=p=2$


Can't login to GUI with my Valid password


Combine associative arrays by key within another array


navigate to another page using the button: Unable to start activity ComponentInfo java.lang.NullPointerException

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


Multiple possible IVs with identical results

How do the Attack and Defense stats work in Pokémon GO?


If I have a String containing for example "234" and I want to print it out as "£2.34" How do I do this in Java?


This code is not calculating things right, any ideas why?


Expose Properties file to Java via Spring

how to read properties file in spring project?


Fibonacci's sequence: seeding numbers and order

What is the proper way to extend the Fibonacci numbers to negative numbers?


How do I limit the number of rows returned by an Oracle query after ordering?


Android: Attempt to invoke virtual method 'android.content.ContentResolver android.content.Context.getContentResolver()' on a null object reference


How to split a comma-separated value to columns


Brief moment about Beta function from Rudin

Show that the Beta Function $\beta (x,y)$ Converges When $x \gt 0, \space y \gt 0$


Finding WMS URL for addWMSTTiles call in R

Adding weather radar data to leaflet from website


How do I make a program auto-start everytime I log in in Ubuntu 14.04?

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


A fireman is firing at a distant target and has only $10\%$ chance of hitting it...

What is the number of times shooter needs to fire?


How to make compass point to my particular latitude longitude location based on my current location?

Calculate compass bearing / heading to location in Android


Tension in a string attached to different masses

Why is tension in a rope the same at every point?


Automatically loading PostGIS relations in QGIS

Using PostGIS relationships (M:N) in QGIS without loading all related tables in layertree


Can I move /usr to another partition and create a symbolic link to it?


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


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


Proving a function is holomorphic and finding its derivative


Save button throws error: Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException


Trying to identify a fairly old (fifty -sixty years) star ship novel

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


Is traffic from my personal laptop tracked while i'm connected to vpn?


Javascript call function with “this” on event

Controlling the value of 'this' in a jQuery event


Sum of series $\frac {4}{10}+\frac {4\cdot7}{10\cdot20}+ \frac {4\cdot7\cdot10}{10\cdot20\cdot30}+\cdots$


How to forward-declare/prototype a function in Python?

Does Python have class prototypes (or forward declarations)?


C# - Visual Studio - Export DLL's to EXE File


Is using htmlspecialchars() and using placeholders in SQL enough to stop attacks on my website?


Traveling to Brazil on different passports


Apply different css stylesheet for different parts of the same web page

Limit scope of external css to only a specific element?


Generate a sequence of exposure time options mathematically

Is there a sane reason why ¹⁄₁₂₅ is not, instead, exactly half of ¹⁄₆₀?


Can customs duty be avoided while carrying 3 laptops?

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


How to set static routes in Ubuntu Server?


How to merge two lists into a sequence of columns in python?

How to merge lists into a list of tuples?


If the tangent at $(x_0,y_0)$ to the curve $x^3+y^3=a^3$ meets the curve again at $(x_1,x_1)$ then prove that $\frac{x_0}{x_1}+\frac{y_0}{y_1}=1$

Tangent to curve $x^3+y^3=a^3$ meets it again.


How do I iterate over the words of a string?


Can I continue a sentence after "respectively"?


How to prove this function isn't differentiable at origin

$f(x,y) = \frac{x^3y}{x^4 + y^2}$ is not differentiable at $(0,0)$.


Is it possible to get the client language name just with JavaScript?

Language name from ISO 639-1 code in Javascript


How to re-enable Java plugin on Google Chrome 42 on Windows

Why won't Java 8 update 31 x64 work with Chrome 42.0.2288.6 dev x64 on OS X 10.9.5?


Materials Turn White Once Imported Into UE4

.fbx export why there are no materials or textures?


Event Viewer: Event ID 2 'Session "Circular Kernel Context Logger" failed to start with the following error: 0xC0000035'

Cause of "Session Circular Kernel Context Logger failed to start error in Event Log?


How to showing date on mysql 5.7 from first date of month until end date of month on MYSQL 5.7?


Chaining subprocess.Popen to similuate pipes

How do I use subprocess.Popen to connect multiple processes by pipes?


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


Why doesn't **sort** sort the same on every machine?


eth0 changed to eno1 and 70-persistent-net.rules is missing

Network interface name changes after update to 15.10 - udev changes


What do I do when sites allow posting comments in answers?

Mark a comment as the answer to a question


What is the simplest and best way to determine if the browser is IE or not?

How to detect Safari, Chrome, IE, Firefox and Opera browser?


Is there a way to upgrade from 12.04 desktop to 14.04 beta directly?

How do I upgrade to the development release (aka. Ubuntu+1)?


Is there any rule of silent initial letters in English?

Why does English spelling use silent letters?


Disk intermittently goes to 100% actviity - system pauses

How do I troubleshoot a Windows freeze or slowness?


Change the size of multiple selected polygons as a post-extrude operation

Is it possible to perform operations individually to faces?


What is the difference between using intel-microcode and not using it?

Unknown Additional Driver: Processor microcode firmware for Intel CPUs for intel-microcode


How to decide which university to study for PhD

University rank/stature - How much does it affect one's career post-Ph.D?


Show that the determinant of areas is non-negative.

Is the matrix filled with the areas of pairwise intersections of disks in a plane always positive semidefinite?


find a number $aabb$ such that is full square

Find all digits $a,b$ such that the number $\overline{aabb}$ is a perfect square


How do I reset a lost password (using recovery mode requires me to type the password)?


calculate an integration by using residue theorem


Infinite scrolling with ajax paging (After some scroll show pagination)

How to paginate query results for Infinite Scroll?


A word for when you just learned a new word and suddenly you notice it everywhere

What is the term for when you become more aware of something?


How can I remove all build dependencies for a particular package?


How to change the aspect ratio of a map without the scale changing?

Resizing the map item in QGIS print composer without changing scale?


jQuery .find() not working with dynamically added elements

Event binding on dynamically created elements?


What's the relationship between those two “heaps”?

Why are two different concepts both called "heap"?


Why were no more Hocruxes created when Voldemort killed people when he came back?

Why wouldn't Voldemort create new Horcruxes?


Why does NVidia own the GPGPU tag, despite it not being in any way NVidia-specific?

Why is there a NVIDIA logo in the [GPU] and [GPGPU] tags?


Forward declaration of templated function pointer (C++)

Why can templates only be implemented in the header file?


Use the new Siri voices on macOS to render audio files from text


Is possible to install Android on Samsung GT-S5220?

Can I install Android on my non-Android device?


How to use mv command to move only selected files?

Delete all files except files with the extension pdf in a directory


Render a custom region inside node template

How to make a region available to a non-page tpl file?


Why is the edit link grayed out and retag link missing?


W: The repository 'http://download.fpcomplete.com/ubuntu yakkety Release' is not signed


Non-existence of semi-simple Lie algebras with dimension $4$ or $5$

There are no semisimple Lie algebras of dimension $4$, $5$, or $7$


Change selected side in Taking Sides quest


Artifacts at particular edges after Subdivision modifier


What happens if a target for removal becomes ineligible after a card has been cast?


Unable to correct problems, you have held broken packages


Presenting modal view occasionally hides the navigation bar


Call of Duty: Black Ops 2 controller issues

My Y axis is inverted! How do I fix that?


Show that if $a, b$, and $c$ are integers with $(a,b)=(a,c)=1$, then $(a,bc)=1$

$\gcd(a,b)\!=\!1\!=\!\gcd(a,c)\Rightarrow\gcd(a,bc)\!=\!1$ [coprimes to $\,a\,$ are product closed]


How do I create a dictionary with keys from a list and values defaulting to (say) zero?

How to initialize a dict with keys from a list and empty value in Python?


how to get same information of CLI in terminal?

How to see the details which Ubuntu shows at the time of login anytime?


Is there a way to preserve api response data while modifying parts of it in JavaScript

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


Get columns from resultset of stored procedure

Select columns from result set of stored procedure


How to maintain stored procedure changes in version control?

What is the best way to version control my SQL server stored procedures?


Very strange error suddenly appeared running Biber


The locus of the intersection point of two perpendicular tangents to a given ellipse


Changing the default numbering scheme in enumerate environment


Why does the max aperture change when use Nikon 60mm AF-D Micro on D90 camera?


How can I install a Canon printer or scanner driver?


Using C# to read Database files WITHOUT having a database program installed?

Connecting to sql server database mdf file without installing sql server on client machine?


Beer is made ___ yeast, water, hops, and malted barley


How to get log from an android application

How do I obtain crash-data from my Android application?


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


Why the extraterrestrial solar spectrum is higher than blackbody spectrum?

How can it be that the sun emits more than a black body?


How do you compute negative numbers to fractional powers?


Is there a way to not print a newline in python?


Construction of a triangle with given angle bisectors

Construct the triangle with given angle bisectors


Weighted random selection with and without replacement


Derivative of sin(x)/x at $0$ by definition of derivative


Is there a mathmatical theory to explain all physical phenomena?

Final theory in Physics: a mathematical existence proof?


Prove that $a$ is an eigen value of $p(T)$ where $T$ is a linear operator on $V$ $\iff$ $a=p(\lambda$ )

Eigenvalue of a polynomial evaluated in a operator


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


Where should I ask this question about finding a research article?

Where should looking-for-resources questions go?


Why should physical theories always have a Lagrangian formalism?

How do I show that there exists variational/action principle for a given classical system?


What is the best way to export a content type and its fields?

How do I export and import content types (including fields) between environments?


When expressing opinions : to me vs for me


'qt.qpa.screen: Could not connect to display' error when run python script at boot

Xdotool using "DISPLAY=:0" not works in Crontab


How to get the C# compiler to find HashCode?

What is the best algorithm for overriding GetHashCode?


How to use different accounts on different Stack Exchange sites

How can I log into two different accounts on two different sites now (July 2015)?


How to program an ARM microcontroller using JTAG?

How to program a microcontroller via USB using JTAG?


How to use the value of a variable when an event handler is set, instead of the value when it's executed

JavaScript closure inside loops – simple practical example


Is there a Unix utility to prepend timestamps to stdin?


git push to multiple repositories simultaneously

pull/push from multiple remote locations


Is it possible with CFDs to operate with 100% margin, so as to avoid overnight charges for a position left open overnight?

Is it possible to trade CFD without leverage?


How do I make sure that a script is run exclusively?


Math Induction Proof: $(1+\frac1n)^n < n$


Enable automatic deletion of old, unanswered, zero-score questions after a year?


Linux how to invoke a system call via sysenter?

How to invoke a system call via syscall or sysenter in inline assembly?


"Led Zeppelin was" vs. "Led Zeppelin were"

Is a music band a singular or a collective entity, grammatically speaking?


how to bring up the menu at the bottom left

Where is the operator panel in Blender 2.8?


Why are magnetic fields only produced by moving charges?

How do moving charges produce magnetic fields?


Is there a rule of thumb for selecting Bootstrap sample sizes?

Choosing the number of bootstrap resamples


Which web hosting can handle (+1000 clicks per day)?

How to find web hosting that meets my requirements?


Emittors and Collectors in a transistor, what exactly makes them different?

What is the difference between emitter and collector for BJTs?


(SafeIcon) Why does (icon).getIconWidth(); return null?

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


is a number field by definition a subfield of $ \mathbb C $?


What are the most common pitfalls awaiting new users?


Is the set of real numbers really uncountably infinite?


Direction of velocity and acceleration for a pendulum

The acceleration vector of a simple pendulum


mixing beer with spirits, increase alcohol content?

Does mixing alcoholic drinks really make you more drunk?


Why can templates only be implemented in the header file?


PDF/A-1u validation failure due to incorrect "CIDSet stream" from CJK fonts


Add a menu item to admin dashboard which isn't a link?


is it possible to do quicksort of a list with only one passing?


Does the opportunity attack granted by War Caster have disadvantage?

Does the War Caster feat grant ranged spell attacks in melee range without disadvantage?


How do I convert a formatted date into a unix timestamp?

How to convert date to timestamp in PHP?


Using different versions c# and .NET Framework with dll

What are the correct version numbers for C#?


Is there a merchant that sells the Boar Skin resource?


Nginx config can't reload. Have "bind() to 0.0.0.0:80 failed (98: Address already in use)" errors

Can't restart nginx, bind() failed (98: Address already in use)


Show alert for users with 0% (or low) acceptance rate

Replace accept rate with citizenship level


Find Exact Install Date of A FREE App From The PlayStore On A Older Phone

Where can I find out when I installed an app?


macOS Sierra caps lock disabled in non-latin languages

How can I make Caps Lock work like it did prior to Sierra?


jQuery logical operator not working as expected

Check if option is selected with jQuery, if not select a default


Why do sin(45) and cos(45) give different results?


Program slider to control camera aperture with python

Copy existing property from e.g. Properties window to a custom panel


Problems with dpkg -i and brackets on 15.04

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


I installed a second linux distro wiped it and it removed grub

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


no border around hyperlinks with hyperref


Python memory allocation for small/large integers

"is" operator behaves unexpectedly with integers


Apps that read or write data outside its designated container area will be rejected


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


Is a function whose derivative vanishes at rationals constant?

Let $f:\mathbb{R}\longrightarrow \mathbb{R}$ a differentiable function such that $f'(x)=0$ for all $x\in\mathbb{Q}$


how to split strings in c++ and store them in different array?

How do I iterate over the words of a string?


The Download for SWTOR stopped at 99.95%?


Procedual material not applying correctly


How to do a right click detection command

Minecraft item right/left click detection


Assign to variables inside Array, rather than changing array entries


Why is the ISO size for 12.04.3 larger than a CD?


Axiom of Choice: What exactly is a choice, and when and why is it needed?


usefulness of k-means clustering on high dimensional data

How to tell if data is "clustered" enough for clustering algorithms to produce meaningful results?


How do I prove $\frac 34\geq \frac{1}{n+1}+\frac {1}{n+2}+\frac{1}{n+3}+\cdots+\frac{1}{n+n}$


Strange graphics issues such as flickering application windows and inconsistent display lagging

PC started having screen glitches after update


What packages will let me use Cyrillic characters in math mode?


What will happen if a helicopter flew still?

Why does the atmosphere rotate along with the earth?


What is the proper way of creating installation media from Ubuntu iso?


\cite coming up as (?) in texstudio with the error message

Question mark or bold citation key instead of citation number


What should I have an understanding of before diving into R. Shankar's Quantum Mechanics?

What's the standard "roadmap" to learning quantum physics?


Loop cut incomplete, skipping faces from a simple shape

edges missing in wireframe view, but visible in edit mode


Colored marks appearing in notebook input text?


Difference in inheritance in C# and Java

Why C# implements methods as non-virtual by default?


Can I buy airfare using one passport (visa required) and then use another (no visa required) to enter the country?

I have two passports/nationalities. How do I use them when I travel?


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

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


How does light re-accelerate after slowing down?

How does light speed up after coming out of a glass slab?


20.04, keyboard swiss german macintosh, § and < are interchanged, everything else is correct

Key '@' (Keycode 49) and key '<' (keycode 94) are inverted on macbookPro keyboard


Possessive for Name Ending in Apostrophe

English possessive for a name that ends in an apostrophe (in this case, in transliterated Ukrainian)?


How would one write object-oriented code in C?


Shrinking ext4 partition on command line

How do I resize partitions using command line without using a GUI on a server?


Is PCA followed by a rotation (such as varimax) still PCA?


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


struct with template member function cannot be used as template param unless using template deduction

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


In which comics did Batman become a murderer or a psychopath?

Has Batman ever gone mad and had to be stopped?


Why don't solid objects blend into each other?

How can I stand on the ground? EM or/and Pauli?


Converting UTC time to ISO 8601-like format

Given a DateTime object, how do I get an ISO 8601 date in string format?


How can I block access to my Windows partition from Ubuntu?

How to hide a(n) (NTFS) partition from ubuntu


How to render as only wireframe in Cycles?


pgfplots with matlab2tikz: Change Number Format of Axis (Exponent of Scientific Notation)

pgfplot: Customize the axis wide scientific notation multiplier


TV episode with characters similar to the Smash Martians

Goofy looking alien robots lose a "Kleptonite Ball" towed behind their spacecraft


A word that says a person is both female and your friend


Find a basis for the subspace of $\mathbb{R}^4$ spanned by the given vectors.


Issue with setting default Value for DateTime

Setting the default value of a DateTime Property to DateTime.Now inside the System.ComponentModel Default Value Attrbute


What does ~ mean at the end of a file name (e.g. httpd.conf~)?


Checking Normality of Numerical and Categorical Data

Checking Normality of Numerical, and Categorical Data


90s or earlier TV series, man and woman with a time machine, liquid crystal

Short lived time travelling British TV show identification


Multiple nested numerating with arabic numbers


Very old sci-fi short story where astronauts have an "unconscious personality" created to allow them to reach space?

Short story - spaceship pilot needs second personality to fly ship


Are the rules regarding absolute modifiers too absolute?


Debian, missing a lot of different firmware

Possible missing firmware /lib/firmware/i915/* for module i915


difference between $wp_the_query and $wp_query? & getting the values properly

$GLOBALS['wp_the_query'] vs global $wp_query


Declare Generic method in a "normal" class and its return

How do I make the method return type generic?


Can we change the wording of the "marked as duplicate" template?

Duplicate explanation should encourage improvement of original


Fibonacci addition law $F_{n+m} = F_{n-1}F_m + F_n F_{m+1}$


Wireless Driver rtl8812au no longer works in 19.10

Need rtl8814au driver for kernel 5.3 on Ubuntu 19.10


Deleted pinned taskbar items reappear after boot

Items unpinned from taskbar are back after restart/sign out on Windows 10


Find the value of infinite series $\sum_{n=1}^{\infty} \tan^{-1}(2/n^2)$


Test the convergence of an improper integral

Improper integral $\sin(x)/x $ converges absolutely, conditionaly or diverges?