How to not "duplicate" a table if it has a unique constraint over many columns?

How to make unique check without creating heavy index in postgres


ISSUE: Dual Boot Windows 10 and Linux Ubuntu on Separate SSD

How to install Ubuntu on portable external Hard Drive?


How can I accept end user license agreement for ttf-mscorefonts-installer?

How can I accept the Microsoft EULA agreement for ttf-mscorefonts-installer?


$\sum_{n=1}^{\infty}\underbrace{ \sin\left ( \sin \left ( \dots \sin \left ( \dfrac {\pi}{2} \right ) \dots \right ) \right ) }_{n\text { #} \sin }$

Is $c + \sin c + \sin\sin c + \sin\sin\sin c + \cdots$ convergent?


Finding distances associated with change in latitude and longitude at given location


Applying color to multiple objects in Photoshop CC

Is it possible to have global color swatches or color styles in Photoshop?


How does a delegate work in objective-C?


Upgrading from ubuntu 11.04 to the latest version

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


Where can I learn the rules of representation decompositions?

Comprehensive book on group theory for physicists?


Is there a difference between NADH and NADH2?


Does the LHC see electro-weak symmetry breaking?

Are there massless bosons at scales above electroweak scale?


Not pinging with host-name and can't ssh using hostname

nslookup finds ip for a hostname in .local domain, but ping does not


I can not use the method .equals(..), it throws NullPointerException

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


create data.frame from different number of rows

do.call(rbind, list) for uneven number of column


unable to launch sublime text 3 as sudo in 17.10 from terminal. No Error is shown but can be launched by typing simply subl

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


How to run a specific program as root without a password prompt?


if its already open, show the existing application instead of opening another one

What is the correct way to create a single-instance WPF application?


What Application Indicators are available?


Show that the modulus of a complex number is a norm

Triangle Inequality with Complex Numbers


If someone had a list of all primes, would it be possible for them to factor any integer in polynomial time?

Is it feasible to build an index of prime factors?


Why didn't the compass take me to where I last slept?

Do compasses still point towards your spawn/bed?


Why does my program terminate itself when taking a string, but not a char?


Does the sequence $\sum_{n=3}^\infty (-\frac{1}{\sqrt{\ln(n)}})^{n+1}$ converge or diverge

How to test the convergence for $\sum _{n=3}^{\infty }\:\left(-\frac{1}{\sqrt{ln\left(n\right)}}\right)^{n+1}$?


why my if else then statement gives an error


Pattern does not match with Orderless head


Add Lightning Web Component to Lightning Tab


Magnetic field due to long current carrying conductor at a point near its end

How to use Ampere's Law for a semi-infinite wire with current?


Not pronouncing the end of a possessive construction

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


Building separate logistic regression models for each categorical variable?

Separate Models vs Flags in the same model


Is the gaze effect of a medusa blocked by an antimagic field?


Directed graph, immediate predecessor of a vertex

AdjacencyList of DirectedEdges in Graph ignore edge direction


The top bar of the Ubuntu Desktop is too small

Ubuntu 20.04 interface font too small after restart, even with high scaling factor


Colored right and left fences in mathmode

Defining a macro for "real" colored delimiters


Math needed for undergrad Statistical Mechanics/Thermal Physics

How should a physics student study mathematics?


If $a_n\to0$, there exists $\pm$ such that $\sum\limits_n\pm a_n$ converges


Fourier sine series convergence in the interval $(0,l)$

Pointwise convergence of sine series of $x^{-2}$


Simplifying Complex Numbers in Exponential Form

Concurrent lines proof for a regular 18-gon


convert mellisecond to date and populate in listView using cursor

Retrieve Data from Sqllite DB between Two dates android


Why is main method not getting called same no. of times recursively in java every time it is executed?

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


Prove convergence to zero of $f(t + x) - f(x)$ in the $L^p$-norm

Show that $\lim _{r \to 0} \|T_rf−f\|_{L_p} =0.$


Transfer pokemons to willow in Pokemon GO

What happens if I trade my last Pokemon in a family to the professor?


Exponential distribution with mean 1/lambda

Finding $\mathrm{Var}(N)$ if $N=\inf\{n\ge1:\sum_{i=1}^nX_i>1\}$ where $X_i$'s are i.i.d Exponential variables


missing return statement for a for loop to sort numbers from lowest to highest

Missing return statement making triangle program


Prove that when performing long division for 2 integers, the resulting decimal fraction is always repeating.

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


Prove that A is invertable if and only if $a_0 \ne 0$

Show matrix A is invertible if and only if $a_0 \neq 0$ with $A^n+a_{n-1}A^{n-1}+....+a_1A+a_0I=O$.


Store Text File Number as Python Variable

What special characters must be escaped in regular expressions?


The following signatures couldn't be verified because the public key is not available: NO_PUBKEY

gpgkeys: key C927EBE00F1B0520 not found on keyserver


Some question related to $f(x)= x^7 -105x +12$

Let $f (x)= x^7 -105x + 12$ then which of the following options is correct?


Developing for Android in Eclipse: R.java not regenerating


How do I teleport to the nearest block of a specific type?

Is there a command where I can teleport myself to a specific kind of block?


Is $\mathbb{Z}[t,t^{-1}]$ a PID? What about $\mathbb{Z}[\sqrt{2}i]$?

Do the Laurent polynomials over $\mathbb{Z}$ form a principal ideal domain?


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


Disable or prevent multitouch in Activity


Direct proof that nilpotent matrix has zero trace


check that $\int_0^{\pi/2}\frac{1}{\sqrt{1-k^2sin^2\theta}}d\theta$ is equivalent to $-\log\sqrt{1-k^2}$ for $k\to1$.

Asymptotic expansion of the complete elliptic integral of the first kind


Why did Fury and Hill dissapear so quickly?

What was happening in Wakanda in the "end credit" scene of Avengers: Infinity War?


Converting from grades to gpa (with decimal)

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


How do I make a shell script that changes the background at night?

Automatically change Ubuntu wallpaper at a certain hour


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


The correct way to fix this error Bukkit?


How to prove an equivalent definition of injective?

Prove that $f$ is one-to-one iff $f \circ h = f \circ k$ implies $h = k$.


What is the philosophical ground for distinguishing logic and mathematics?


With no load on a circuit, I measure approx 15volts

Why am I measuring 16 volts on a wire that should be at 0 volts?


Hilbert's Nullstellensatz and irreducible polynomials

Hilbert's Nullstellensatz implies $I(Z(I)) = \sqrt{I}$


"Viewed" increases with browser refresh (see question 108318)

Does viewing your own question add to its view count?


How to split .zip files and join them in Windows?


Random Forest: Predictors have more than 53 categories?

R's randomForest can not handle more than 32 levels. What is workaround?


How to download and where to save a style package

Where do I place my own .sty or .cls files, to make them available to all my .tex files?


How can I understand if a pointer is deleted in C++

How can I determine if a C++ object has been deallocated?


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 it possible to sort an arcpy.da.UpdateCursor()?


is there default constructor even if i mention constructor in class

where instance variables get initialized


What ZIP compression method do common OS's natively support?

How do I make zip files that unzip cleanly on any OS with native tools?


Avengers: Infinity War and End Game question

Does the wielder of the Gauntlet actually need to snap, or is the snap action simply dramatic?


Unable to send email using "SMTP Authentication Support" module

Unable to send e-mail. Contact the site administrator if the problem persists


Prove that if $f(x) = \frac{\sqrt{x} - \sqrt{a}}{x-a}$, then $f$ has a limit at a.

From the limit definition of differentiability, determine where the function $f(x) = \sqrt{x}$ is differentiable?


"Edited by" block is not updated after editing tags inline

Edit tags needs a refresh to show the user who edited


Finding closed form of $\sum\limits_{r=0}^n r^2 \binom nr p^{n-r}q^r$ where $p>0$ and $q=1-p$

Can $n(n+1)2^{n-2} = \sum_{i=1}^{n} i^2 \binom{n}{i}$ be derived from the binomial theorem?


Selection of all the objects with the same style in a notebook


Equation labelling - automatic updating and format change

Change the type of equation numbering in document class article


Cycles: Material full transparency, but still seeing parts of object

Black artifacts when looking through many transparent objects?


Proving combinatorial identity $\sum_{k=0}^{n}(-1)^k \binom{2n-k}k 2^{2n-2k} = 2n+1$ "directly"


Objects created with a specific size aren't coming out at that size when exported

Scale settings for exporting to STL (for 3d printing)


Put Bounty on Answered Question with Wrong Answer


How to detect backdoor origin - ssh brute forced

How do I deal with a compromised server?


Is there a way to iterate on all Drupal modules on d.o?

Is there a drupal.org API for retrieving the list of available modules?


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


Had Professor Trelawney ever predicted something that turned out to be true?

How many of Trelawney's prophecies have come true?


Accidentally deleted Ubuntu installation, how can I reinstall it cleanly on a dual boot system?

Dual boot. How do I reinstall the Ubuntu partition?


Finding the area of a part of two internally touching circles


how to stop window.open to bring the child window to focus?

I need to open a new window in the background with JavaScript, and make sure the original is still focused


Run script just when div with #id is loaded in DOM

How to catch creation of DOM elements and manipulate them with jQuery


Saying "nothing" then "everything", what does it mean?


Moment UTC time how to convert to seconds

How do you get a timestamp in JavaScript?


If $x'(t) \leq f(x(t))$, then $x(t)\leq y(t)$ for which $y'(t)=f(y(t))$?


Find the limit of $\sum\limits_{n=0}^\infty \frac{n}{3^n}$

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


Is $I=(x,y)$ seen as an $\mathbb C[x,y]-$module is free

The ideal $(x,y)$ is not a free $K[x,y]$-module


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


Conditional probability distribution with geometric random variables

Conditional distribution of geometric variables


Null pointer exception while converting character array to String in Java

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


Whats the best way to convert a contractor's rate to an employee's rate

How to determine contractor hourly rate and employee salary equivalents?


How to Delete Elements from List1 appearing in List2?


How can I add a new user as sudoer using the command line?


Subring of a field extension is a subfield

Ring Inside an Algebraic Field Extension


Use of "would rather" with different subjects

"I would rather did it myself" or "I would rather do it myself"?


What is the difference between re.search and re.match?


"This statement is false" - Propositional Logic


How do I install the latest stable version of Firefox?


Extruding the camera block for my phone model


Why should I believe that matter does not expand along with the space between it

Why does space expansion not expand matter?


How can I get a history of running processes

Task Manager shows programs that are running - how can I see the ones that have been ended?


sstatic.net SSL certificate is for an incorrect domain


How can I prove $5^{3^n}+1$ is divisible by $3^{n+1}$

Prove by mathematical induction that $2^{3^n}+1$ is divisible by $3^{n+1}$


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


JavaScript splitting String with multiple quotation marks and different IDs

Safely turning a JSON string into an object


How to find the remainder when the following series is divided by 12?

What is the remainder when $1! + 2! + 3! +\cdots+ 1000!$ is divided by $12$?


Passing an optional parameter in PHP Function


Autocompletion in Texmaker for \citeA command


Serving static resources at /static/* context while keeping my servlet handling /* context


Java - Implementing a Linked List from scratch

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


Exception in thread "main" java.lang.NullPointerException?


NullPointerException: Location is required


Is it possible to use motherboard video ports for additional monitors when a CPU does not have integrated graphics?

How to enable Onboard Graphics for a GIGABYTE B450 PRO


Prove that sum of product of binomial coefficients is equal to 0

Asymptotic of a sum involving binomial coefficients


Assigning an array to a struct member in C


linux eats all memory, seems like it is not for specific application

Why is Linux reporting "free" memory strangely?


Capistrano, Passenger and Nginx - How do they work together?


Separating Program and Design Logic (Structure of C# Winforms Project)


How come all of my objects are just outlines?

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


Modelling the number of apples an orchard yields with diminishing returns per tree


How can I format a number as currency with commas?

How to format numbers as currency strings


Help with installing Nvidia-410 drivers on Ubuntu 18.04

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


Separate selected UV map vertices from surrounding vertices


Querying the database with a variable passed as an argument in SQLite android

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


image of adjoint equals orthogonal complement of kernel

The range of $T^*$ is the orthogonal complement of $\ker(T)$


Why don't Jedi simply fight using the Force instead of the more cumbersome lightsaber?

When multiple Jedi attack one target, why do they all attack physically?


How to replace all occurrences of a string in JavaScript?


How do I finish installing Tex Live, on Ubuntu?

How to install "vanilla" TeXLive on Debian or Ubuntu?


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


Should I be asked to review edits on deleted posts?

Suggested edits to deleted posts remaining in /review with Approve/Reject buttons


Centering polygon on specific coordinates using QGIS


Is there a way to track total mission playtime?

How do I earn SC2's "Hurry up, it's raid night" achievement?


Is there a secure cryptosystem that can be performed mentally?


Resize font on boot message screen and console


what's different between each and collect method in Ruby


Route Locally generated packets to different gateway

Output traffic on different interfaces based on destination port


Can a Filipino citizen with no Korean visa with a long layover in Seoul take the airport free city tour?

Korea: Visa required to go to the city while in transit in Seoul for a Philippine citizen?


How to know how much current I can draw from USB

How a usb device identify a purpose made powerful USB charger?


Selenium chaining IWebElement actions in C#


PHP file_get_contents() returns wrong encoding


select distinct one column with all instances of another column in a second column

SQL query that concatenates values from duplicate rows in a single table


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


T-SQL Create Comma Separated Array While Keeping Parent Category Information Intact

Simulating group_concat MySQL function in Microsoft SQL Server 2005?


want to fetch data from array of dictionary from plist in iPhone?


What system monitoring tools are available?


Comparing Java enum members: == or equals()?


I'm stuck in a teleporting loop. What can I do?


Big O question about (Python) list iteration with skipping elements

Big O, how do you calculate/approximate it?


No more updates for Google Chrome 32-bit


Why do batteries lose charge when ejected from the charger?

What is the typical DSLR battery lifespan (overall, not per charge cycle)?


Show if $f_1|_{\mathbb Q} = f_2|_{\mathbb Q}$ then $f_1 = f_2$

Can there be two distinct, continuous functions that are equal at all rationals?


How i can use variable inside javascript match function

How do you use a variable in a regular expression?


/etc/locale.gen: No such file or directory, how can I add a new locale the right way


Does an extension or option exist to replicate the "shake mouse to find pointer" in Gnome 3?

"Shake to Find Cursor" feature for Ubuntu 18.04 LTS


Are the space sounds in Star Wars diagetic or not (i.e. Do the characters hear them)?

Why and how can you hear explosions in space in Star Wars?


subversion checkout only modified files in jenkins

How can only the files that were modified in a range of SVN revisions be checked out?


A formula for the $n$th term of a sequence


Do forum signature link count as backlink?

Is it best to put a link in signature, forum profile, or in a post to get backlinks?


how to get date format like yyyy-mm-dd am in java


Is the temperature of a gas affected by the motion of its container?


Share a Folder from Ubuntu to Windows in VirtualBox

How do I set up shared folders in a Windows Virtualbox guest?


sudo apt-get install python-pil on Ubuntu 12.04?

How do I install python imaging library (PIL)?


The set of real numbers contained in the interval (0,1) is countable. Here is my proof.

why is the set of all binary sequences not countable?


Java - send Documents through ObjectOutputStream

How can I identify an anonymous inner class in a NotSerializableException


How do I download from my ubuntu-one account now?

Recover Ubuntuone files after 14.04 installation


Can Skyrim's console savegames be migrated to PC?

Transferring Skyrim saved games from one machine to another


Can the adjectivized nouns have a plural form?

How do you use plural or singular form of an adjective?


To show a field $K$ to be algebraically closed.

Algebraic extension of perfect field in which every polynomial has a root is algebraically closed


Should smilies be turned into images in questions and answers?


How to prove that $\frac{2}{n(n+1)}\sum_{i=1}^n iX_i\rightarrow _p u$?

Convergence in probability of $Y_n = \frac{2}{n(n+1)} \sum_{j=1}^{n} jX_j$, given $X_1,X_2,...$ iid


Null Pointer Exception when trying to update JavaFX from anouther class using Platform.runlater()

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


Does it make any sense to prove $0.999\ldots=1$?


SHA-3 Sub-Function Reversibility Clarification


Problem with the extension of the file which is used to save listings

python.sty on TeX Live 2013 - Forbidden to open for writing error


How to show the coordinates of a point and the equation of a line dynamically?


The structure of the csv i get is incorect


How to find distribution function of sum of 2 random variables that are uniformly distributed?

general solution sum of two uniform random variables aY+bX=Z?


File permission with six bytes in git. What does it mean?

Is there any difference between mode value 0777 and 777


How to obtain $f(x)$, if it is known that $f(f(x))=x^2+x$?


What is the difference between rooting and unlocking the Boot Loader in reference to Android?

What is the difference between: Rooting, Jailbreak, ROM, Mod, etc.?


18.04 clean install GRUB installation failed

16.04 new installation gives grub-efi-amd64-signed failed installation /target/ ubuntu 16.04 at the end


If $c >0$, $c≠ 1$, $z_1≠z_2$, prove that $\frac{|z-z_1 |}{|z-z_2 | }=c$ represents a circle. Find its center and radius.

Apollonius circle, its radius and center


What's the difference between the terms Electronics and Electrical?


TypeError: 'set' object is not subscriptable? (tkinter)

What does it mean if a Python object is "subscriptable" or not?


Using the rule stated below, is there a way I can plant trees on a 2D plane such that there are no trees in the first k diagonals?

Tree-planting problem with pagoda functions (from PROMYS)


How can I set desktop defaults for new users?

How do I set a user's default .bashrc file?


How to remove Ubuntu and put Windows back on?


what is the equation of longitude and latitude distance between 2 cities

Calculate distance between two latitude-longitude points? (Haversine formula)


60s-70s short story: distant future, mankind has spread throughout the galaxy, and make "first contact" with other descendants of Earth

Humanity meeting another similar intelligent life form deep into space (or not)?


What's the subject of 'mind not so much to know' ? (1670 UK, Isaac Penington)

No direct object in 'give thee faithfully to follow' ? (1670 UK, Isaac Penington)


Do I need to apply separate visa if my destination is France and my flight transit via Germany?

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


Dismiss Windows 8 Volume Box (top left corner)

How to disable the Windows8 volume On-Screen-Display?


Number of $\alpha\in\Bbb{F}_{27}$ such that $|A_{\alpha}|=26$ equals $12$

Prove that the number of $\alpha\in\mathbb{F}_{27}$ such that $|A_\alpha|=26 $ equals 12.


What is the shortest/longest distance from $9x^2 + 4y^2 = 36$ to $(5,5)$?

How to find the minimum/maximum distance of a point from elipse


How does deleting work? What can cause a post to be deleted, and what does that actually mean? What are the criteria for deletion?


If lead's electron configuration ends with 6p$^2$, shouldn't it be paramagnetic?


Units of "mean free time" of a wave/particle


Which is correct: "on foot" or "by foot"?


QGIS: split polygon features with different polygon layer

Split a polygon layer with another polygon layer in QGIS


Windows: Execute program as admin with current environment and with elevation

Run as administrator from command line on Windows 8


Is there a name for questions where the answer is not important?

What's the name for a part of speech which is not quite rhetorical, but not expected to be answered directly, either?


Python datetime timedelta issues with leading 0 in days parm

What do numbers starting with 0 mean in python?


how can I extract/harvest/export all sender addresses from outlook 2003?

Extract reply addresses from all emails in an outlook folder (sent on behalf of)


How to combine/merge pages in pdf file (GUI)?


Is there any way that I can cancel UK visa Ban?

What can I do to lift a 10 year ban for making a mistake in my UK visa application?


$f(x)$ is continuous on $[0,\pi]$.Prove that the following limit is $\frac{2}{\pi}\int_{0}^{\pi}f(x)$

Computing $\lim_{n \rightarrow\infty} \int_{a}^{b}\left ( f(x)\left | \sin(nx) \right | \right )$ with $f$ continuous on $[a,b]$


How to make the footnote starting from \dag?

footmisc package - remove star from footnote symbols


Is there a minimum sample size required for the t-test to be valid?


Why is maximizing expected value always rational according to Pascal?

Does Pascal's Wager contain any logical flaws or fallacies?


Users can undelete their own posts when deleted by reviewers

Answers deleted via Recommend Deletion votes in review should not be undeletable by the answerer


Case insensitive search using key value in rails and postgresql


Blinking question mark folder and none of the combination keys worked

iMac only show flashing folder with question mark after formatting OS X partition drive


Why can I apt-get install rapidsvn but not see it within the Ubuntu Software Center GUI?

Many apps are missing from Ubuntu Software app


A one line proof that one is zero using Mathematica 10


Make Blender usable on high resolution screen


Need help merging two seperate strings together


Java Command line system call does not work properly

How to make pipes work with Runtime.exec()?


Vector spaces - Multiplying by zero scalar yields zero vector


Example of normal random variable $X,Y$ s.t. $(X,Y)$ is not a Gaussian vector.

Two correlated marginally Gaussian RV, but not Jointly Gaussian


Manual "Possible duplicate of" comments are wrongly removed when question is closed

Does voting to close as duplicate erase earlier comments?


How can I manage my genealogy data on Ubuntu?


How to prove that the sum and product of two algebraic numbers is algebraic?


Listen to incomming SMS with iOS Jailbreak app

IOS Jailbreak How do intercept SMS / Text Messages


Floor function properties: $[2x] = [x] + [ x + \frac12 ]$ and $[nx] = \sum_{k = 0}^{n - 1} [ x + \frac{k}{n} ] $


Is "they" plural or singular when it's someone's preferred pronoun?

Subject-verb agreement when using singular they?


How to apply and get schengen visa after it has been rejected

Need to understand why my Schengen visa was refused


About a polynomial with a root $\sqrt[3]{2} + \sqrt{5}$.

Prove that $\sqrt[3]{2} +\sqrt{5}$ is algebraic over $\mathbb Q$


Finding roots of the equation $2 \sqrt[3]{2x-1}=x^3+1$,

Solving an equation over the reals: $ x^3 + 1 = 2\sqrt[3]{{2x - 1}}$


I didn't provide a product key. Why is my Windows activated?

How does a Windows 10 'digital license' activate the OS?


Are \( and \) preferable to dollar signs for math mode?


Is 32bits actually make use of More than 3.25GB ram?

Can a 32-bit OS machine use up all 8GB RAM + 20GB page file?


Is preimage of closure equal to closure of preimage under continuous topological maps?

continuous function: preimage of closure of a set is closure of preimage


Creating a Dice Roller in Java. Help me understand why this works?

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


How to automatically redirect to another HTML page


How to refresh a HTML page once, automatically

One time page refresh after first page load


What to do when someone's attacking you, but succeeding the save is worse than failing it?


Likelihood Ratio Testing in Multinomial logistic regression using SPSS

Singular information matrix error in lrm.fit in R


Is the assertion 'loans create deposits' true in banking?

Why would a bank need to accept deposits from private clients if it can just borrow from the Federal Reserve?


How does First-Contact choices affect relationship in Stellaris?

Is there any difference in the First Contact responses?


I have this super fundamental query about negative string indexing in python


How can I remove all comments from a file?


Evalute the $\lim\limits_{n\to\infty} \frac{1}{n}\sum\limits_{k=0}^{\left \lfloor n/2\right \rfloor}\cos(\frac{k\pi}{n})$


Divisibility of polynomial; basic number theory

How can I prove that $n^7 - n$ is divisible by $42$ for any integer $n$?


what is the meaning of 'tail' of kurtosis?


determine the gcd of $n^3+3n^2-5 $ and $ n+2$


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


How to grab return value from an ajax call?

How do I return the response from an asynchronous call?


Getting errors while trying to install ubuntu

MODSIGN: Couldn't get UEFI db list Couldn't get size: 0x800000000000000e


How do I render the current 3D view port?

Blender is rendering an older version my project


Why maxwells speed distribution law doesn’t violet special theory if relativity

Is there a relativistic generalization of the Maxwell-Boltzmann velocity distribution?


Avoiding page numbers in allowframebreaks option - beamer

Beamer, page/frame numbers, buttons and Appendix slides


How to simulate scenario using selenium wherein User needs to upload a excel file?

How can I work with file uploads during a Webdriver test?


Copying and pasting specific file types in folders and subfolders

How can I move files by type recursively from a directory and its sub-directories to another directory?


Do half-elves trance or sleep? Or both/either?

Do half-elves get the abilities of both their races?


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


Why are the Ringwraiths fearful of coming into contact with water?


"sslv3 alert bad record mac" error when using cURL over HTTPS

cURL/PHP Request Executes 50% of the Time


Can a creature with Hexproof be affected by a spell like Sleep?

Which spells or abilities are affected by things that care about targeting?


Why is there a diode connected in parallel to a relay coil?


Repeat a table in a different chapter with same caption number

Using the same figure twice with no new number


What are the criteria for moderator nomination?

There's an election going on. What's happening and how does it work?


Ideal products and calculating with ideals


Finding wi-fi networks that are nearby via iPhone App

how to enumerate all available Wifi networks at range?


Buffer capacitors' role in boost power supply design?


Running extracted jar source in intelliJ


Code re-use between methods called by multiple types

How do I use reflection to call a generic method?


Which question has the most votes on all sites

How to find the most famous questions on Stack Overflow?


Cannot Install GNOME Tweaks on Ubuntu 20.04

How do I enable the "Universe" repository?


Create a Short cut to a URL on the start menu windows 8

How do I add a shortcut to a website to the Windows 8 start screen?


ERROR running force:source:push: Push failed


fetch the 1st row from the table for an employee with highest salary

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


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


Why ceil() function return unexpected value?


Showing a construction verifies the $\Omega$-axiom for monoid action

Character of the subobject classifier in the topos of $\mathbf{M}$-sets.


How does a Support Vector Machine (SVM) work?


Python: assign values to variables in a list or object

Assigning values to variables in a list using a loop


Restrict onEdit trigger to only one sheet


Where to farm the basic upgrade materials?

What are some good ways to get rare materials?


Exception in thread "main" java.lang.NullPointerException in JBox2d

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


Let $x$ be transcendental over $F$. Let $y=f(x)/g(x)$ be a rational function. Prove $[F(x):F(y)]=\max(\deg f,\deg g)$


Thunderous Smite: definition of "creature"

What is the definition of "creature" and is it used consistently?


Remove category & tag base from WordPress url - without a plugin


How to prevent a div's content to start a new line

HTML+CSS: How to force div contents to stay in one line?


Show $\lim_{n \to \infty} \sum_{i=1}^n Y_i/\sum_{i=1}^n Y_i^2 = 1$ for Bernoulli distributed random variables $Y_i$


Win32 C++ : Static LibCurl application crash on cleanup

Using libcurl on windows, in my c++ project, with visual studio, does not work because string get corrupted


What is the purpose of the fourth line of code particularly "l[j][-1]" here?


Can I link a plain file into my executable?

C/C++ with GCC: Statically add resource files to executable/library


Prove that if $X$ is Hausdorff, $\Delta$ is closed in $X\times X$

$X$ is Hausdorff if and only if the diagonal of $X\times X$ is closed


"Require Installation Of Untrusted Packages" while upgrading with the update manager


Does every vector space have an inner product?

Is there a vector space that cannot be an inner product space?


MySQL: grant SELECT to all databases except system


What is the maximum size of a Linux environment variable value?


The system is running in low graphics mode after changing root password

How to fix "The system is running in low-graphics mode" error?


Why does my code exit and not accept the "yes" pulled in with a Scanner or the one hardcoded in?


Screen Resolution for different Android Devices

Application Skeleton to support multiple screens


Python code to create a password encrypted zip file?


What are words for higher orders of 'quadratic'?

How do you explain cubic growth of a function


Order of any element divides the order of the group proof

Order of group element divides order of finite group


How does UART know the difference between data bits and start/stop bits?


Stack Exchange topic-specific blog posting


Minimize currently focused window keyboard shortcut in Ubuntu 17.10

Keyboard shortcut to minimize a window on Ubuntu 18.10


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


Is it possible to use Broadcom BCM43142 wifi in Ubuntu 16.04?


How long can I run an Arudino circuit on a capacitor

Powering an Arduino with a Supercapacitor


Is Java default access modifier used for top level class definition in practice?

What is the use of package level protection in java?


Why do we test electric fields with positive charges and not negative ones?


My bash script won't execute commands after kill command

How can I kill a process by name instead of PID, on Linux?


Display username in user.html.twig template

Get username in custom user twig template


Noun to describe a person who wants to please everybody, but sort of in an obsessed manner

A single word for "Someone who cannot say no to anyone asking for help."


Attempting to compile any kernels, even vanilla ones, yields a certification error (continued from last thread)

Attempting to compile kernel yields a certification error


How do I get the directory of the PowerShell script I execute?

What's the best way to determine the location of the current PowerShell script?


VAR or VECM for a mix of stationary and nonstationary variables


Why use $\ln$ in definition of pseudorapidity?

Why is pseudorapidity defined as $-\log \tan \theta/2$


Can a student on an F1 Visa day trade US stocks?

Investment options for f1 visa students in USA


Why do I get two different behaviours depending on how I create 2D Arrays in python

List of lists changes reflected across sublists unexpectedly


Pagenumbers aligned raggedleft in scrartcl with tocstyle?


Windows installer for Ubuntu 14.04 LTS onwards


Changing inner nested list changes whole list


What makes expensive shares worth it when the dividends are so low?

If a stock doesn't pay dividends, then why is the stock worth anything?


How to use Mathematical Induction to prove $\frac{1}{1 \cdot 2} + \frac{1}{2 \cdot 3} + \cdots + \frac{1}{n(n + 1)} = \frac{n}{n + 1}$?


method may produce 'java.lang.NullPointerException'

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


Is there anything stopping me from checking into my flight twice?

Can you still print boarding passes at the airport if you checked in online?


Firebase Android emailpass authentication error


Multiple entry Schengen Visa valid for 5 years, with duration of stay : 90 days


A quicker way to change owner/group recursively?

How to properly recursively chown files (including hidden dirs)


Is there any way to mirror an already rigged mesh and skeleton in Blender?

How can I copy one side of a rig to the other?


jquery selector not working in the elements i creating dynamically on some events

Event binding on dynamically created elements?


At United States PhD programs, is the research / TA stipend taxed as income tax?

Are PhD scholarships and assistantships taxable?


How to recover a village linked on the same Gmail address?

How can I recover my village after someone saved over my Google+ account savegame?


Using both a firewall and vpn on android


How many swaps to shuffle a 52 card deck?

What is wrong with this "naive" shuffling algorithm?


Python unresolved reference error in a function

UnboundLocalError on local variable when reassigned after first use


difference between System.exit(0) and System.exit(-1)

Difference in System. exit(0) , System.exit(-1), System.exit(1 ) in Java


Null Pointer Exception in XML parser when calling

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


Evaluating Limit - $(1-(\cos x)^{\sin x})/(x^3)$


single thread locking to build resource and later the remaining threads can access the resource C#


Get first element of Series without knowing the index

Pandas - Get first row value of a given column


How do I get matcher.find while loop to write to text file? java

Writing to a file but only last line saved


Stop $.each method when desired variable found


Prove that the sample variance equals $\frac{1}{2 n(n-1)} \sum_{j \neq k}\left(Y_{j}-Y_{k}\right)^{2}$

How to prove that $\sum_{i<j}(X_i-X_j)^2=n\sum_{i=1}^{n}(X_i-\bar{X})^2$


Can I recover my Windows product key from Ubuntu?

Retrieve Windows 8 Product Key from mainboard


Trying to upgrade to a new release version, having trouble with /etc/apt/sources.list

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


Can I restore a single app backup without impacting other apps?


Find Out Seed Number in Generating some random number


Proof that given 8x8 Mboard and 21 trominoes there will no overlap

Proof a $2^n$ by $2^n$ board can be filled using L shaped trominoes and 1 monomino


How to take a screenshot of a TTY while unable to execute code in it?

Can I take a screenshot of a virtual console?


How to change Solution to Response in latex exam environment

Exam class: 'answer' instead of 'solution'


programmatically determine what product I am viewing in magento


What do the fields in ls -al output mean?


Use of “where” in a question when referring to something other than a place

“situation where” vs. “situation in which”


What factors affect the rate of decay of a radioactive atom?

Changing the Half-Life of Radioactive Substances


Will I get Windows 10 without reserving if I have genuine Windows 7?

Why don’t I have the Get Windows 10 icon?


LogicException : The controller must return a response (success ! given)

Drupal 8 function from controller returns html markups only


cut empty lines from a file (bash script)

How to remove blank lines from a file (including tab and spaces)?


JAVA: Exception being generated in the actionPerformed method

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


Prove that if $a,b,c>0$ then ${1\over a}+{1\over b}+{1\over c}\ge{2\over a+b}+{2\over b+c}+{2\over c+a}$

An inequality concerning three positive numbers


What eligibility is needed for vote in election

There's an election going on. What's happening and how does it work?


Autocovariance function at lag k for the process $x_t=A\cos(wt)+B\sin(wt)$

Calculate mean and autocovariance function to check stationarity


How to get Benefactor badge on Stack Overflow?


Is it possible to control final PDF options?

Is it possible to produce a PDF with un-copyable text?


Two strings are equal but wont work on if statement


Is Kirchoff's Voltage law valid in inductive circuits?

Application of Kirchhoff's laws in circuits with inductors


How can I generate random number in specific range in Android?

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


ASP.NET Web API File saved as "BodyPart_3ded2bfb-40be-4183-b789-9301f93e90af"


Why is $\aleph_0$ the smallest cardinal number?


Can I extend my 30 days Schengen visa in Switzerland?


Let $f$ be a continuous function on $\Bbb R$ satisfying $f(f(f(x)))=x ;\ \forall x \in \Bbb R$. Then is $f$ the identity function?

$f:\mathbb R \to \mathbb R$ be a continuous such that $f(f(f(x)))=x,\forall x \in \mathbb R$ , is $f(x)=x , \forall x \in \mathbb R$?


What weapons should I use to battle the Destroyer?

What weapons to use to kill the Destroyer?


How to SSH into my Android Phone's command prompt

How to SSH into Android which is a hotspot?


Directory.GetCurrentDirectory(); reporting wrong path for 2nd exe

How to start a process in the same folder as its executable


What is the relationship between time dilation and gravitational time dilation?

Is gravitational time dilation different from other forms of time dilation?


Outputting javascript variable into html table

How to display JavaScript variables in a HTML page without document.write


Append on a 3rd Order List Not Working as Expected

List of lists changes reflected across sublists unexpectedly


Using Chinese characters with CJKutf8 package

Typesetting Japanese in LaTeX errors because of gb4e


Why over/under-sampling could not help my model fitting?

What problem does oversampling, undersampling, and SMOTE solve?


What do imaginary numbers practically represent in the Schrödinger equation?

Significance of $i$ in the Schrödinger equation


Regex to validate phone number which is in the US Format

How to validate phone numbers using regex


How does Latex compilers integrate packages into its existing core functions?

Can a package overwrite the original commands in Latex?


Bash: Check up, Run a process if not running

How do I write a bash script to restart a process if it dies?


Is it possible to prove that sin(\pi) = 0 using its series expansion?

Prove $\sin(\pi/2)=1$ using Taylor series


What is the use of class declaration in c++


May I save a tex file as a picture file?

Exporting .png or .jpg files directly from LaTeX code. Possible?


Android - Is it Possible to rotate ViewPager like ViewFlipper

ViewPager as a circular queue / wrapping


Fancybox doesn't work with jQuery v1.9.0 [ f.browser is undefined / Cannot read property 'msie' ]


Click event of img tag inside clickable div tag not working

Event binding on dynamically created elements?


What part of speech is "booed" in the following sentence?

How are "needs to be washed," "needs washing," and the regional variant "needs washed" to be distinguished"?


About the plugin "EventBrite" with the new version Wordpress


Migration of SharePoint from 2007 to 2010/2013


What Happens to electrons after Alpha Decay and Nuclear Fission?


Can I unlock an iCloud ipod that I bought and no code


Ubuntu Desktop 14.10 installation went wrong and wiped the hard disk on windows 10

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


How can I delete a specific cookie prefix with PHP or JavaScript?

How can I iterate over cookies using jquery (or just javascript)?


Why can't I turn off mouse acceleration in Skyrim?

How do I turn off mouse acceleration in Skyrim?


How does the 180 day Schengen rule reset?


Am I interpreting this scatter plot correctly? ggplot in R

Interpreting two linear regression outputs - one generic, one "faceted" (R, ggplot)


examples such that (i)$F[x]$ is not a field, (ii) $F[x]$ is also a field.

Why can't the Polynomial Ring be a Field?


What are the rules for calling the base class constructor?


I want to copy my HOME folder to a USB flash drive but I can't. I accidentally removed Python 3 and lost many important stuff

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


Why is moving directories to /dev/null dangerous?


3 way circuit options to indicate if circuit is active

How to add indicator on a light switch to indicate the outdoor 3-way light is on?


Error in file handling in python2.7 in windows


Does it matter which way named functions are declared?

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


How to move shared item to "my drive" (for later sync to harddrive) in Google drive

How can I access to "shared with me" folders?


How do you split a list into evenly sized chunks?


I am wanting to reinstall Ubuntu with my boot-able USB

How to completely remove and reinstall Ubuntu?


Deadbeef player doesn't access my storage hdd

How to get access to USB-storage from an application installed as Snap?


Reducibility of polynomial in rational field

Existence of Polynomial with whom product contains only prime powers


can a non EEA / EU citizen with a current, valid right to work uk visa enter schengen countries for holiday?

Can you enter the Schengen area with a UK visa?


Let $A,\,B$ be subsets of the set $X$. Prove one of de Morgan's Laws of Set Theory

De Morgan's laws in logic and set theory


How do I determine which is the current user's DE through CLI within SSH or Cron?

How to determine which window manager is running


Could a biological process organically build solid metal "organs"?

Why are there no organisms with metal body parts, like weapons, bones, and armour? (Or are there?)


Basic Web Development IDE/Editor like Dreamweaver?


Finding the maximum value of a function on an ellipse


Is there a way to use Git to flag code for future review?

How do you flag code so that you can come back later and work on it?


If application of force does not result in spatial movement, has work been done?

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


What is the concept to access JSON data?

Dynamically access object property using variable


Mesh is on the inside of the object in certain areas?

How do I stop vertices being hidden by the Subsurf modifier in Edit mode?


Is it possible to move from a German language study visa to a 90-day tourist visa?

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


Let $M$ be a Noetherian $A$-module. Show that $M[x]$ is a Noetherian $A[x]$-module.


Replace blank spaces and semicolon in Java with Regex


node.js app on ubuntu linux with postgresql on virtual box on windows client

What causes the 'Connection Refused' message?


How can I install just security updates from the command line?


Does light in vacuum actually travel at the speed of light?

Does a photon in vacuum have a rest frame?


Question regarding continuity of linear operator between banach spaces

Kernel of $T$ is closed iff $T$ is continuous


Pay in local currency or in dollars with a credit card in Peru?

Why are two currency options available when paying via card at airports abroad?


Why is there a . instead of a / in my URL path in ROR

Path helpers generate paths with dots instead of slashes


Find object keys when value is an object

How to determine equality for two JavaScript objects?


Is there a way to limit the bandwidth that Google Drive File Stream uses?

How to limit Google Drive's client bandwidth usage?


How many parameters are in a gated recurrent unit (GRU) recurrent neural network (RNN) layer?


Solving $\frac{\sqrt {x}}{2}=-1$, I get $x=4$. Where did I go wrong?

Why do I get one extra wrong solution when solving $2-x=-\sqrt{x}$?


Prove that the isomorphism between vector spaces and their duals is not natural

In categorical terms, why is there no canonical isomorphism from a finite dimensional vector space to its dual?


java.lang.ClassNotFoundException: sun.jdbc.odbc.JdbcOdbcDriver Exception occurring. Why?


Picklist Sum Formula Question (shortened)


How to distinguish between GRPS and 3G in IOS?

Detect carrier connection type (3G / EDGE / GPRS)


Do I need visa for sightseeing in Istanbul, April and May 2021

I am American with passport having layover in Istanbul for 20 hours. Do I need Visa?


Python multidimensional list - all values in a column changes if one value is changed

List of lists changes reflected across sublists unexpectedly


Finding $E(X \mid X > Y )$ when $X, Y \sim N(0,1)$

conditional expectation under bivariate normal


Edit a question (from other user) and get +2 rep?


$W$ contains at least one non-singular matrix

Max dimension of a subspace of singular $n\times n$ matrices


How to enter credit card "statement credits" (e.g. cash back) in double entry accounting?

How to handle cash back or rewards in Gnucash, what account


Does passive perception supersede active perception?

When do I use active vs passive perception?


Generic constraints, where T : struct and where T : class


Error Sending mail through Gmail SMTP relay


How does the dot product convert a matrix into a scalar?


Is there any point in closing resources if the JVM is shutting down


Correct Usage of Plural Possessive Word "user"?

After using every, should it be singular or plural?


How to save scrollback history in byobu?


What colors to choose for colorblind people?

What is the best way to avoid colorblind issues?


Check whether one number equals another number in Bash


Format the datetime to get date and hour information


Colored borders around windows after update


Why any square can be written in this form?

Use the Division Algorithm to show the square of any integer is in the form $3k$ or $3k+1$


How to limit text length for a textfield in a UIAlert iOS.

Set the maximum character length of a UITextField


In Python, is it possible to escape newline characters when printing a string?


Extra }, or forgotten error when using `\textcolor`


Cut, Copy, Paste keyboard shortcut problem on Ubuntu Desktop 20.04

Basic desktop actions are not available on Ubuntu 20.04


Removing duplicates from an array in Javascript

Get all non-unique values (i.e.: duplicate/more than one occurrence) in an array


How to install Ubuntu on Windows machine while still maintaining seamless boot to Windows?

Setup Windows 7 and Ubuntu on same hard drive


writing article instead of asking question


How can I uninstall Nvidia proprietary drivers?

How do you remove Nvidia's proprietary drivers?


$\forall x \in H$ $(x,Ax) = (x,Bx) \implies A=B$

Proving that if $\langle Ax,x\rangle =0$ for every $x$, then $A$ is the zero operator


How to horizontally and vertically center align the text in the div?

How to center an element horizontally and vertically


“He Loves.” A Complete Sentence, and Grammatical?


Rights for reviewing revoked while improving post

"Improve" treated as improper response to proper response to audit


Panel on Ubuntu 16.04 LTS - some very newb questions regarding customising or turning off

Is there any way to stop a window's title bar merging with the panel when maximised?


How is String immutable if i can change its value? i understand that i am changing the reference only but then why the 1st scenario is not working?

String is immutable. What exactly is the meaning?


Migrating All Metadata from Developer Org to Sandbox

How to copy metadata of Partial Sandbox into a new Developer sandbox?


How do we know that heat is a differential form?


Why can Bobbi and Hunter no longer work for S.H.I.E.L.D.?


How to get file extension from string in C++


How to avoid spammy links affecting us before SERP rankings going down


"The Netherlands are" vs "The Netherlands is"

How to treat a country name that has a plural meaning


How do I restore the default repositories?


wheres the settings box in lower left corner?

Where is the operator panel in Blender 2.8?


Error loading jquery.min.js from googleapis.com in Iran

"Stack Overflow requires external JavaScript from another domain, which is blocked or failed to load."


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


finding addressof a object whose ampersand operator is overloaded and private

If an operator is overloaded for a C++ class how could I use a default operator instead?


What is the temperature of a single proton?

Can a single molecule have a temperature?


How to tell excel automatically add value in a cell of a sheet when the value is added in another cell of another sheet?

How to make excel automatically fill a value in a cell of a sheet when another corresponding cell of another sheet is filled the same value?


vector pop_back, erase and clear do not destroy the elements of the vector

Why doesn't vector::clear remove elements from a vector?


Proof by contradiction that $\sqrt{2}$ is irrational, why assume the fraction is simplified?

Incorrect logic in popular proof of the irrationality of $\sqrt2$?


How to check for missing drivers in Ubuntu 14


How do I avoid 'No GPS signal' in Pokemon Go on an iPad with a GPS?

I have an iPod Touch 5th gen. Can I play Pokemon Go?


Strange issue in chrome with keyup event

cursor is jumping when pressing the arrow keys


What is the reason behind "non-static method cannot be referenced from a static context"?


Difference between (function(){})(); and function(){}();


A potentially dangerous Request.QueryString value was detected from the client when sending html markup from jquery post call to asp.net page


How to dynamically update an enum drop-down menu with collection names?


Is "who" used correctly in the sentence "Or he's a supernatural demon designed to torture people, who got offered his dream job"?

Relative Pronouns are ALWAYS added right after antecedent?


Multiple subsection columns in Beamer (warsaw)

Beamer with Warsaw Theme: Two column navigation


Embed Zxing library without using Barcode Scanner app

Integrating the ZXing library directly into my Android application


Prove that $\int_0^{\infty}\sin(x^2)dx$ converges.


Tense when recounting and analysing a literary text


Making a C++ callable .lib or .dll file from a Mathematica notebook

Does Mathematica have a "MATLAB Builder" equivalent?


How to use ClassLoader.getResources() correctly?

How to list the files inside a JAR file?


Why a file automatically created with '~' whenever I change the gedit file?

Prevent gedit from creating files with the '~' (tilde) suffix


How to compute the series: $\sum_{n=0}^{\infty} (-1)^{n-1}\binom{1/2}{n}$


Using regex in find and replace script for Illustrator

How do you use a variable in a regular expression?


Why doesn't my bmp save with transparent background?

How to test if a bitmap file has a transparent background?


Example where schema are better than multiple databases


I have a bicycle frame that is not stamped and I can't figure out how to identify the brand of it

Why shouldn't I care what model/make/year my bicycle is?


Two Email Accounts in Mail.app / Can I disable notifications for one of them?

Remove notifications for one specific email account on Mountain Lion's Mac Mail


Why does my Python list contain identical elements after each element was mutated in a for-loop?

List of lists changes reflected across sublists unexpectedly


Title sections are not shown correctly (content from the previous section is shown after the title of the following sections)

Keeping tables/figures close to where they are mentioned


copy/paste style to multiple layers in QGIS

Change style properties of several layers simultaneously?


Proof of $\lim\limits_{n\to\infty} \frac{a^n}{n!}=0$

Prove that $\lim \limits_{n \to \infty} \frac{x^n}{n!} = 0$, $x \in \Bbb R$.


NOT DUPLICATE: "president" vs "President" – has there been a change in what is grammatically correct?

Understanding U.S. President capitalization


Derivative of function solved from NDSolve can't be plotted


Why aren't number types comparable to each other?

Why doesn't java.lang.Number implement Comparable?


how to find angle between two points in QGIS?

Adding Direction and Distance into Attribute table


Why is Google still not indexing my !# webpage?

Why aren't search engines indexing my content?


How to make your site visible on google search

What are the best ways to improve a site's position in Google?


Regexp: only match word if it doesn't start with a dot

Javascript: negative lookbehind equivalent?


Null Pointer Exception java array initialization

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


apt-get ignores all packages with "Translation-en_US"

What does 'Ign' , `Get` or 'Hit' mean when running an apt-get update?


How to get the part of an URL containing the "sha"-character [#]

Why is the hash part of the URL not available on the server side?


How to get the list of all posts I've upvoted via the API?

Is it possible using the SE API to get a list of another user's posts that I have upvoted?


Any good electricity and magnetism books for highschool students?

Electrodynamics textbooks that emphasize applications


How do I make my Ubuntu 18.04 LTS desktop look like this?

How do I move Ubuntu dock to bottom on Ubuntu 17.10 and later?


Is it okay to put a short hint as a comment?


How to correctly enqueue the parent and child theme stylesheets in the creation of a child theme?

Issues enqueueing parent & child theme stylesheets with revised Codex method


How to get # part of the Url from HttpContext.Current.Request

How to get Url Hash (#) from server side


Why does my update statement update every row?

Why doesn't this invalid subquery raise a syntax error?


How to create UNIQUE constraint in SSMS 2012

SQL Server 2005 How Create a Unique Constraint?


Dirichlet's function expressed as $\lim_{m\to\infty} \lim_{n\to\infty} \cos^{2n}(m!\pi x)$

How to prove that $\lim(\underset{k\rightarrow\infty}{\lim}(\cos(|n!\pi x|)^{2k}))=\chi_\mathbb{Q}$


Add a separate site to discuss posts in a more relaxed manner


how to extract tar.7z files from command line?


Manipulate - Plot - Function with Parameters

How are parameters evaluated for a Plot in Manipulate


Stop System Preferences Software Update to notify me of a OS update

How can I disable the red Software Update notification bubble on the System Preferences app in MacOS Mojave (not App Store)?


Multi-labeling with multiple colours in QGIS


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


Is there a phrase that means sleeping with someone without sex?


What determines how 'cursed' (as an attributive adjective) is pronounced?


Why $(x-vt)^2$ does not represent a wave?

Why should a solution to the wave equation be finite?


Jagged array value assignment changes entire array

List of lists changes reflected across sublists unexpectedly


how to find out whether a point is surrounded by other points

How do you determine if a point sits inside a polygon?


How to change width and height of an absolute positioned image placed in a div by css :before

Can I change the height of an image in CSS :before/:after pseudo-elements?


sudo: No protocol specified in Ubuntu 17.10

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


Can you use /testfor to detect the death of a player?


Can variables be used in import statements for Sass files?


How to test the mean difference of two Gamma distributions

Test if two gamma distributed populations are different


How to build a Java project with multiple main classes

Multiple runnable classes inside JAR, how to run them?


How many species can have the same scientific name?

What instances are there in which two species share the same binomial name?


How does voluntarily holding one's breath work?


I'm worried about Stack Overflow content licensing

Do I have to worry about copyright issues for code posted on Stack Overflow?


What supporting documents should I include in my UK visa application?


How to write hello world in assembler under Windows?


Python TextBox entry Hint(Invisible text)

Default text as well as list textvariable Entry widget Tkinter


Most efficient method to enter passcodes


Laws/ethics on using images hosted by another website as teasers?

Can you be sued for using publicly used images on a blog without copyright permission?


Chances at Going to a Math Grad School with 3.5 Math GPA

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


Mix of paired and independent data analysis

t-test for partially paired and partially unpaired data


Does .html extension in URL help for SEO?


How can you go through single-height blocks?


What effect does the Moon and Sun have on gravity?

Are we slightly lighter during the day and slightly heavier at night, owing to the force of the Sun's gravity?


How to get a random nr. of items out of a repository with LINQ?


Colored borders around windows after update

Strange artifacts along window borders after waking computer from sleep mode


How to concatenate multiple ternary operator in PHP?

Stacking Multiple Ternary Operators in PHP


Difference between escape velocity and speed

Is escape velocity really a velocity (rather than a speed)?


Ajax create dynamic div doesn't work with click function, why?

Event binding on dynamically created elements?


jQuery selectors for dynamically generated HTML elements?


'Source not found’ when I debug in Eclipse

Eclipse java debugging: source not found


How do I switch the default accounts in Google Drive?

How do I change my default account with Google multiple sign-in?


Java Virtual Machine Launcher - could not find the main class


Let $ n \geq 3 $. By factorising $ n $ or $n + 1 $ (as appropriate), show that $ \mathbb{Z}[\sqrt{-n}] $ is not a UFD

Why is $\mathbb{Z}[\sqrt{-n}], n\ge 3$ not a UFD?


Equivalent definition of normal subgroups

equivalent definition of normal subgroup


How to select an index value from a String Array in a JOptionPane


Trying to vertically align  and , however, margin and padding do nothing when applied


Control + click acts as right-click in Ubuntu in VMWare on Mac

How do I automatically remap buttons on my mouse at startup?


LNK2019: How to include headers in C++ such that a template definition compiles?

Why can templates only be implemented in the header file?


Changing font size of legend and adding dotted lines in pgfplots

Dotted line segments in pgfplots and changing font size in legend


Java: Specify method in method parameters?


What's the easiest way to run GUI apps on Windows Subsystem for Linux as of 2018?


size of structure node in linked list with pointer as member in C

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


how to get script name when using execfile() in IPython to run script

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


How to solve blank screen issue on ubuntu 16.04 start up?

How do I change file system in recovery mode to read-write mode?


Java Program for uppercase/lowercase not working, help por favor


Need advice on flavoring/sweetening my homebrew cider


Can't find question immediately after posting


Need for Speed Most Wanted 2005 is lagging in my laptop

How can I check if my computer's powerful enough to run a certain game?


Getting NullPointerException .Please help anyone to solve this problem

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


Showing that if $a$ is a transitive set then $\cup a$ is also a transitive set.

A subset of a transitive set is transitive


Can you identify this bike/frame? Mt FUJI LTD., serial 1104482

Why shouldn't I care what model/make/year my bicycle is?


When will question's last_activity_date be updated?

What is the difference between "hot" and "active" questions?


How to encrypt a shared NTFS partition that is used by Windows and Linux on a dual boot system?

How to share an encrypted storage on Windows, Mac OS X and Linux in a secure way


Can't install gcc or g++ on Ubuntu 18.04.1

Release file for http://archive.ubuntu.com/ubuntu/dists/bionic-updates/InRelease is not valid yet


How do I use 'chmod' on an NTFS (or FAT32) partition?


Is "It is you who are mistaken!" correct?


Overlaying two shapefiles and projecting one of them from Geographic to Projected Coordinate System?

Layers with same coordinate system should align/overlap in ArcMap but do not?


printf ipv6 address using struct in6_addr and ipv4 address using u_int32_t

expand an IPv6 address so I can print it to stdout


Is the increasing union of $\sigma$-algebras a $\sigma$-algebra?

Example where union of increasing sigma algebras is not a sigma algebra


showing error when i want to debug the project in c#

Error: Unable to generate a temporary class (result=1) ... When Invoking Methods on a Web Service


Error parsing PCC subspaces from PCCT for Dell Precision 5820

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


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


Using PCA to reduce dimensionality of training and testing data


Check out date (month) increases in datepicker

Why is January month 0 in Java Calendar?


How would you do Karnaugh's maps in LaTeX or ConTeXt?


USA visa with prior trip to Iran in previous passport: can I get away with omitting any mention of the Iran trip?

How can the US immigration officials know one has visited Iraq, Syria, Iran, or Sudan?


Exact count of all rows in MySQL database

MySQL - How to count all rows per table in one query


I am new to TeX. Should I use LaTeX, XeLaTeX, ...?


How I can capture the click of a button dynamically created? JQuery

Event binding on dynamically created elements?


Which SE site is appropriate for questions about crowdsourcing?

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


.fbx export why there are no materials or textures?


How to create wifi hotspot in Ubuntu 17.10


International layover - do I need to go through immigration and customs?

Customs and luggage clearance, international flights via USA


what does "it's time I told you" mean and why past tense here?

Why do we say "It's time we ate" and not "It's time we eat"?


A simple euclidean geometry problem of angles of a triangle using linear equations

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


ubuntu-desktop doesn't work in Ubuntu 17.10

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


How to extract quotations from text using NLTK

RegEx: Grabbing values between quotation marks


Can I use copyrighted images and music in my game?

Using modified copyrighted music in non-commercial games


Is it possible to call this event handler in this case?

WinForms: How to programmatically fire an event handler?


Where are packages stored installed with APT in Ubuntu 16.04?


If $gcd(a,b)=1$ then $gcd\big(\frac{a^{p}+b^{p}}{a+b},a+b\big)=1$ unless $p|a+b$

Show that $\gcd\left(\frac{a^n-b^n}{a-b},a-b\right)=\gcd(n d^{n-1},a-b)$


Upgraded to Chrome 61.0.3163 via ppa on Ubuntu 16.04 but it won't launch because NSS out of date


How to integrate $\int\frac{\sin(kx)}{e^x}dx?$


Race is to Racist as Religion is to what?

"Race" is to "racism" as "religion" is to what?


How can you decompose Grover's diffusion operator into gates?


How to boot a system from pendrive in EFI mode succesfully?

How to create UEFI-only bootable USB live media?


How to css this little button next to  element?

How do I style a  dropdown with only CSS?


Obtaining knowledge from a random forest


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


MiKTeX and Perl scripts (and one Python script)


Why the bob leaves the circular path when tension in the string becomes zero


Create Regex by string "\" character java

How to escape text for regular expression in Java


Open Android Studio "studio.sh" by double click on script file in ubuntu 14.04

How to execute a script just by double clicking like .EXE files in Windows?


Java request.getParameter() value in if statement


Was there originally a non-ribosomal way of synthesizing proteins?


objects conforming to nscoding will not writetofile


Find out which pages I will be on Mobile

Auto detect mobile browser (via user-agent?)


Why isnt $\lim_{x\to 0}\frac{\sin x}{x} = 0$?

Why is $\infty \cdot 0$ not clearly equal to $0$?


14.04 Automatically restart binary if it stops

Re-run an application script when it crashes?


How to return multiple string values from a method java

How to return multiple objects from a Java method?


What's the use of a decoupling capacitor near a reservoir capacitor?


How to create interface with overloaded arithhmetic operators in C#?

Arithmetic operator overloading for a generic class in C#


How to form possessive for a list of people? "(Jane Doe and I)'s"

"My wife and I's seafood collaboration dinner"


What's best protection for a really high voltage 50kV generator PCB?


\hbox{} or ~ when beginning a paragraph?

Adding vertical space at the start of a page


How do I find which elements in one array aren't in another?


Is Groovy syntax an exact superset of Java syntax?


How can I stop PlotRangePadding from cutting off points in a ListPlot?

Image padding problem with text framed contour labels


Do you wait for edits before voting to close a question?


How can I obscure what I am using to run my site?


How to install free software with Software without registration?


How to rotate $2n$-sliced pizza so half the people are happy


How many users can I have on my WP site?


How do I set default display brightness?

Brightness is reset to maximum on every restart


How to Install a Managed Package into a scratch org

Installing managed packages to Scratch org via configuration


Can no longer see my partitions on my hard drive

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


What is the pressure at the centre of the Earth?

What is the pressure at the center of the Earth? (Or a neutron star)


How does manifest recognize the particular activity as a main or first activity in android?


JSF Validation Error: Value is not valid


How can I recursively clear the "Hidden" file flag on Windows Vista?


Equivalent of iwlist to see who is around?


Maximization of quadratic form on a sphere

Maximizing a quadratic function subject to $\| x \|_2 \le 1$


How to validate an email address using a regular expression?


Probability Density Function of the Midrange of a Random Sample of Size 3 from a Uniform Distribution (0,1)

Joint distribution of range $(R=X_n-X_1)$ and mid-range $(V=\frac{1}{2}(X_1+X_n)$order statistics


java.lang.NullPointerException pointing to another method

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


Solving limits of a sine wave $\lim_{x\to+\infty}\frac{\sin(x)}{x}$

Evaluating and proving $\lim\limits_{x\to\infty}\frac{\sin x}x$


Is it possible to estimate prevalence from a given sample size?


Url in reference clickable but with link truncated

How to make clickable links and cross-references in pdfs produced by LaTeX?


Create instance of generic type in Java?


ListPlot[Transpose[{xx,yy}]] returns blank plot

What are the most common pitfalls awaiting new users?


If the Earth would change into a ball of water, how wil its form develop, considering only the Sun's and Moon's influence?

What happens to the water on the surface of the Earth if the Earth is not rotating about its axis in the Earth-Moon system?


Having trouble getting commas in my numbers


Game: Create multiple obstacles flying towards your ship

What is the best way to repeatedly execute a function every x seconds?


C++: int i; sizeof(++i); ... i does not increase in value?


Serious trouble inserting image in MacTex

How to include graphics with spaces in their path?


xcode 5 - open a project without story board


How can I prove submultiplicative of $p$-norm of matrix?

Proof of matrix norm property: submultiplicativity


Why are Hogwarts' students so ignorant of Muggle society?

What do wizard children do before attending Hogwarts?


How to align content of a div to the bottom


Can't implement DAO design pattern in Java application

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


What purpose do the rubber 'hairs' have on new tyres?


How to sample from a discrete distribution?


how can partion of single hardisk after install ubuntu


Did Hugh's individuality virus cause all the subsequent changes in Borg behavior?

The Borg became individuals following the reintegration of 'Hugh', how are they a collective again during First Contact?


Does apps installed via "snap" has man page?

How can I view man pages for apps installed via snaps?


How to pronounce a new word like an English native speaker?

How do native speakers 'guess' the pronunciation of the letters in a word they see for the first time?


How do I put an image texture on a material in Cycles?


Wifi disconnecting issue in my 16.04 Ubuntu having Realtek WLAN adapter


How could we get a jquery text value to a php variable


Fantasy book with elemental magic containing submarines

World with fire/water/air/earth/shadow/light users; girl on a fire-owned submarine attacked by shadow rebels


On evaluating $\int_0^\infty e^{-x^2}\,dx$

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


Editing in chat: White text on light blue background

Zero visibility while editing a message in a chat room


SD Card not accessible with NO MEDIA ERROR

USB flash drive not working or is appearing as an empty disk drive, Disk Management reports "No Media" with 0 bytes size


Some problems about isomorphism of groups

How can I compute $\mathrm{Aut}(\mathbb{Z}/4\mathbb{Z}\times\mathbb{Z}/6\mathbb{Z})$?


Is -1 followed by a singular or plural noun?


Short story where peaceful inhabitants of a planet defeat militant invaders by making them smarter

Do you know the name of a post-earth diaspora science fiction short story written 1960s or 70s?


How to undo "git commit --amend" done instead of "git commit"


Is it possible to use git to apply temporary changes for testing purposes

Handling temporary changes (not to be committed) in Git


How to create a dynamic file + link for download in Javascript?

How to create a file in memory for user to download, but not through server?


c++20 Likely and Unlikely performance optimization

How do the likely/unlikely macros in the Linux kernel work and what is their benefit?


How does an electric field come inside a conducting wire inside the circuit?

What happens when we connect a metal wire between the 2 poles of a battery?


How do I check whether a file exists without exceptions?


Resume input from user after file is read

Make program first read from pipe, then from keyboard


What's the usage difference between G test and Chi-square test?


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


Lubuntu 16.04 gets stuck at shutdown (nmi watchdog bug soft lockup - cpu#1 stuck for 22s)

NMI watchdog: BUG: soft lockup - CPU#2 stuck for 23s! [plymouthd:305]


Need help getting Cycles to match Eevee brightness

EEVEE and Cycles render lighting differences


How can I upload files asynchronously with jQuery?


How can I stop a currently active DDoS attack?


Limit mouse movement to 2 montiors? (4 monitors all together)


How to get the 0 at the end of a double?


How to make a Spring RestTemplate PATCH request


How to setup IP alias to local network on Windows?

Add a static IP alias to a DHCP interface on Windows 8 (and above)


Authentication refused: bad ownership or modes for file /var/git/.ssh/authorized_keys

Why am I still getting a password prompt with ssh with public key authentication?


Vehicles required/allowed in weigh stations on US interstates


Ubuntu 13.04 to 13.10: Filesystem check or mount failed


Is it possible to prove Gödel’s 1st Incompleteness theorem without the use of self referential statements

Is there a proof of Gödel's Incompleteness Theorem without self-referential statements?


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

Cron job to run python script at reboot does not work


How to show that $|P(A\cap B)−P(A)P(B)|≤\frac{1}{4}$?

Proving $|P(A\cap B)-P(A)P(B)|\leq \frac{1}4$


Add attribute from underlying polygon based on maximum shared area

QGIS calculates main soil type of polygons from another polygon layer


binomial distribution converges in distrubtion to standard normal distribution

Justifying the Normal Approx to the Binomial Distribution through MGFs


Determine all functions $f(x)$ such that $f(f(x+y))=f(x)+f(y)$


If $f(x),g(x)$ are two differentiable functions such that $f'(x)=g(x)$, $|f(x)|<1$ and $f(0)^2+g(0)^2=9$

Prove that there exists some $c\in(-3,3)$ such that$ \ \ g(c) \cdot g''(c)<0$.


How to fix "The system is running in low-graphics mode" error?


How to play YouTube videos using MPMoviePlayer?

Play YouTube videos with MPMoviePlayerController instead of UIWebView


Why show an audit review answer if my review filter excludes answers?

Audits doesn't take into consideration the filter


Regular expression for adding a space between dot and uppercase letter?

What special characters must be escaped in regular expressions?


I can't see my background image in the 3D view


Why openjdk-10 is missing in 18.04 PPA where openjdk-11 is available?

Why is OpenJDK 10 packaged as openjdk-11-*?


Abelian group of order $p^m$ having only one subgroup of order $p^{m-1}$

Abelian $p$-group with unique subgroup of index $p$


boost::graph function with edge iterator passed by value and graph passed by reference

Is it better in C++ to pass by value or pass by constant reference?


Unable to copy content to SanDisk 16GB pen drive

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


"inconsistent use of tabs and spaces in indentation"


Uncaught PDOException: Condition Expected

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


SQL Server local database file equivalent in Oracle

Is there embedded DB with PL/SQL support and Java API?


Sums-of-Squares (total, between, within): how to compute them from a Distance Matrix?


Is an ESTA enough when travelling by land from Canada to US and back to Canada? We have an Esta and are flying to and back from Canada

What is the US Visa Waiver Program and what is an ESTA?


Can I skip over releases when upgrading?


Partial correlation vs conditional correlation?


Kernel density estimation for a variable with lots of zeros

Good methods for density plots of non-negative variables in R?


How to remove and array element and add it to the last index - C#

How to delete an element from an array in C#


Texmaker generated pdf file not showing the position of cursor


Method to get answers accepted if OP is unregistered

Force Accepted Answers on Questions by Inactive Users


file sharing from ubuntu 16.04LTS to Windows 7

How to share files through the local network?


Generate Random value from a collection in ruby


Library dependency problem with sphirewall-core and libboost

Unable to correct problems, you have held broken packages


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


Series Expansion of Differential Operators


How to check the disk activity of my hard-drive?


Can I do a release update on Ubuntu 7.10?

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


How to convert time in YYYY-MM-DDTHH:mm:ss.SSSZ format to default timezone?

Converting ISO 8601-compliant String to java.util.Date


Is it possible to force an existing Java application to use no more than x cores?


mp4 files not playing in OEM-installed Ubuntu 14.04

Unable to play MP3 or MP4 files in Rhythmbox or Movie Player


Split video into equal file size parts with ffmpeg

How to split a video file by size with ffmpeg?


installing Grub on btrfs : No space left on device


Subtracting time to post how many minutes ago


How come some posts lack 'active' hyperlink?


Linking: Sibilant with Other Sibilants (was + starting)

How to pronounce "s" at end of word when next word starts with "s"


Where are template functions instantiated?

Why can templates only be implemented in the header file?


Why is sizeof (class with character variable) anomalous in C++?

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


I am running Ubuntu 14.04 LTS cannot log in goes back to log in screen


sleep() / Sleep() behaviors in Linux / Windows

Why does printf not flush after the call unless a newline is in the format string?


glob php - return all types of images from directory

PHP file listing multiple file extensions


How to load a script on $(document).ready()/onDeviceReady() of jquery-mobile/phonegap

loading javascript file after jquery.ready


Is it possible to downgrade my iphone 5 firmware from 10.2 to 7.1.2 by restoring to an old backup?

Can I install any iOS version I wish by picking and choosing which firmware to restore?


Get Exif data from UIImage - UIImagePickerController

UIImagePickerController and extracting EXIF data from existing photos


Why $\sqrt{-1 \times -1} \neq \sqrt{-1}^2$?


Can an attack be made without triggering combat?

How should a stealthy attack start combat?


Is it possible to thank Stack Overflow without writing it as a question?

How can I thank Stack Overflow / Stack Exchange?


How can a moving frame transmit energy (a fighter plane shoots a bullet)?

Is energy content of a system different depending on the observer?


Movie or tv series in 80s/90s which has a rooster wind vane set in a roof

What 80s BBC kids’ TV show had children fitting together machinery they found in the countryside?


Why is this simple Excel calculation not netting Zero?


Let $(M,g)$ be a riemannian manifold. Show that the topology induced by the metric coincides with the topology of $M$.


Decomposition of Infinitely Generated Abelian Groups

Status of the classification of non-finitely generated abelian groups.


Embed (or remove) T3 fonts when creating PDF


Order by filter does not apply on the search results


Java IO implementation of unix/linux "tail -f"


How do I setup OpenVPN so I can securely use the internet from an unsecured hotspot?


If two subsequences converge to the same limit, is that sufficient to say that a limit exists for the sequence?

Convergence of a sequence whose even and odd subsequences converge


Phrase 'next December' means 'nearest December' or 'December of the next year'?


close form for $\sum_{k=0}^n\binom{2n}{n} \binom{2n-2k}{n-k}$

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


Does Lorentz Invariance depend on the continuity of spacetime?

Discreteness of Spacetime and Violation of Lorentz symmetry


Understanding what passes through and doesn't pass through the plasma membrane

Why lipophilic molecules can pass phospholipid bilayer, in spite of 2 hydrophilic layers?


Parametrized array - direct acess vs setter


Backyard experiments to falsify the Flat Earth theory

What is the simplest way to prove the Earth is round?


Google Maps Location History is showing an incorrect location


Integrating $\sin(x)/x$, how to treat the pole at the origin?

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


Modelling the heat exchange between a steel cylinder and the surrounding medium

How to minimize residual sum of squares of an exponential fit?


How to force quit an app that doesn't show in the Force Quit Applications menu?


i value not iterating in Callback functions

JavaScript closure inside loops – simple practical example


biblatex: Retrieve which references are NOT used

How to split bibliography into "works cited" and "works not cited"?


Evaluate $\large \int_0^1\left(\frac{1}{\ln x} + \frac{1}{1-x}\right)^2 \mathrm dx $ using elementary, high school techniques

Evaluate $\int_0^1\left(\frac{1}{\ln x} + \frac{1}{1-x}\right)^2 \mathrm dx$


Using php mail() but email going in spam box

How do you make sure email you send programmatically is not automatically marked as spam?


Is there any way to create something similar to an object member function on a C struct?

How would one write object-oriented code in C?


SharePoint 2013 group list task and subtask via the rest api not working

Sharepoint 2013 rest api group subtask with respective main task?


Why is the Android emulator so slow? How can we speed up the Android emulator?


Do we have any guidelines or regulations that deals with using profile image

As a moderator, how do I handle a potentially inappropriate profile picture?


Deserialize a String into a Field Type Java

How to convert from String to a primitive type or standard java Wrapper types


How to figure total voltage with two voltage sources in the circuit

How do I use superposition to solve a circuit?


Fixing syntax highlighting without needed to add language tags to every answer

What is syntax highlighting and how does it work?


change partition ntfs to ext4 with out formatting

How can I convert a drive from ext4 to NTFS without losing the data?


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


Java String array: is there a size of method?


Is there any adapter to mount older Canon EF lenses on a newer Nikon DSLR?

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


If the universe is expanding, what is it expanding into?


ERROR: derefrencing pointer to incomplete type

accessing struct: derefrencing pointer to incomplete type


Get text from another class and set to field in javafx

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


How to run method determined on user input in c#


Where should i set the environment variable for java in ubuntu？

What's the difference between .bashrc, .bash_profile, and .environment?


"Сделать на отъебись" in English

Does a word meaning "Created Recklessly for Temporary Use" exist?


recursive function explained python (what is this part doing?)


URL field is out of bounds when I mark a question as a duplicate

Minor alignment issue in the duplicate search bar


Angular JS - Call a Directive function in an outside Controller

How to call a function on a directive scope from the controller


How to stop my Mac from cloning MP3 files on my USB stick?

Disable storage of invisible files "._" on my cfs or smb network storage


Change pixel values in a polygon using Google Earth Engine?

Masking pixels inside the polygons using Google Earth Engine?


How to know when a new file is added to the file system in Windows?

How do I make my program watch for file modification in C++?


Why is the energy function not always equal to total energy?

When is the Hamiltonian of a system not equal to its total energy?


Distribution of $-\log X$ if $X$ is uniform.


Ubuntu 13.10 VirtualBox Error Kernel driver not installed (rc=-1908)

VirtualBox 4.3 on Ubuntu 13.10 unable to run VM


What is the best way the web page title having URL

How to pick the title of a remote webpage


How do I bind an event listener to dynamically generated content?

Event binding on dynamically created elements?


Objects appear transparent when rendering

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


Why the sudden fascination with tensors?


Vertical centering a container of text not working with margin auto


unmet dependencies when installing zoom: Depends: libxcb-xtest0 but it is not installable E

How do I restore the default repositories?


David Hume - Reason being a slave the passions

What did David Hume mean when he said that "reason is a slave to the passions"?


Why don't self-closing script elements work?


Is $\|T(x)\|≦\|x\|$, $\forall x\in V$ sufficient condition for $T$ to be an orthogonal projection?

A projection satisfying $\| Px \| \leq \|x\|$ for all $x$ is an orthogonal projection


Is Einstein's formula $E=mc^2$ the same as the kinetic energy formula $\dfrac{1}{2} mv^2$?


How to dynamically call accessor methods in Ruby

How to call methods dynamically based on their name?


Can't boot Vista after installing Ubuntu 13.04 alongside Vista - after Boot-Repair

Can't boot Windows Vista after installing Ubuntu


Task Manager for Firefox (like in Chrome?)

Determine which tab in Firefox is using CPU resources?


rtcwake: command not found | ubuntu 14.10

The command could not be located because '/sbin' is not included in the PATH environment variable


TeXstudio chemfig commands marked as unrecognized


Indian Passport back cover torn a bit. Can it get accepted?

Indian Passport first page ripped - is this considered 'damaged'?


Why's _itoa causing my program to crash?

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


Inconsistency in Equality Comparison of Numbers in Javascript


Java Swing : What is wrong with this method

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


Do Stack Overflow and other Stack Exchange sites have an app I can use?


different labels for enumerate environment?

Modifying labels on some enumerated items


com.microsoft.sqlserver.jdbc.SQLServerException: Login failed for user 'sa'


Maven : error: generics are not supported in -source 1.3 , I am using 1.6


Difference between directory tree and a filesystem?

File systems vs partitions vs directories


Proof of number of flops required to reduce a n×(n+1) matrix

Floating point arithmetic operations when row reducing matrices


File size of multiple folders in explorer

How can I visualize the file system usage on Windows?


Proof by induction: $4^{3n} +8$ divisible by $9$

How do I prove that $3$ divides $14^{2n}-1$ by induction?


Proving that the tangent bundle of the sphere is projective but not free


Calculating distance between coordinates

How to calculate distances in a point sequence?


Why does "logging out" of a session activate a newly added supplementary group?

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


How to write very long string that conforms with PEP8 and prevent E501


python: shuffle characters in string to get all possible string combinations

How can I generate a list of all possible permutations of several letters?


Hyperthreading: is there a way to know from the command line if it is enabled in BIOS?

Checking if HyperThreading is enabled or not?


Can we distinguish between two mass distributions in spacetime having the same effect over a test partlicle

Is every solution of Einstein field equations unique?


How to get local machine ip using python script

Finding local IP addresses using Python's stdlib


Sum up equal variables in data frame in R keeping values in different columns


What is the difference between re.search and re.match?


How to move a file with a space in the name? (command-line)

How to replace whitespaces in a filename?


Finite group with unique subgroup of each order.

A finite group which has a unique subgroup of order $d$ for each $d\mid n$.


a problem in justifying ONLY IF truth table

In classical logic, why is $(p\Rightarrow q)$ True if $p$ is False and $q$ is True?


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


Why do we assign values to divergent series?


Installing Ubuntu on windows 10 with separate partition

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


Choosing resistors for an LED lighting panel

Why exactly can't a single resistor be used for many parallel LEDs?


Where can I travel using an Italian-issued refugee residence permit?

Can I travel around the EU with an Italian resident permit (humanity), without a passport?


I want to install Ubuntu 16.04.2 over my old Ubuntu which will not boot


How to calculate highest CCU (concurrent users) in server linux?

How do you do load testing and capacity planning for web sites?


How to solve $\int \tan^2(x) \sec (x) \ dx$?


Resize Parent Frame to fit iFrame Height

Is there a cross-domain iframe height auto-resizer that works?


How to portably read configuration data from a servlet


How to make an inline-block box stick to the top?

My inline-block elements are not lining up properly


mysql_query() expects parameter 2 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


Conceptual difference between Hamiltonian and Lagrangian formulation

Why not use the Lagrangian, instead of the Hamiltonian, in nonrelativistic QM?


Php get how many days and hours left from a date


How can I undo a default browser selection in Windows 10?

How do I have no default web browser, so the system asks what browser to use when I click on a link?


"FTL" Communication with Quantum Entanglement?

Quantum entanglement as practical method of superluminal communication


Should a public site store the language in cookies/handle the Accept-Language header?

How should I structure my URLs for both SEO and localization?


Changing Hostname and Serving with Apache


Creating sub certificates from a root certificate (SSL)

Can I purchase a certificate for my domain that can sign other certificates for subdomains?


Is it better to programmatically draw or use .9.pngs for simple shapes?

What should i use for better performance, nine-patch or drawable xml resource?


Examples (and how to generate them) of various conceptually different datasets to throw at PCA to gain better intuition for it

Making sense of principal component analysis, eigenvectors & eigenvalues


Waiting for one more reviewer due to being unresponsive - what to expect?

What does the typical workflow of a journal look like?


Self-Adjoint Operators in Stone-Von Neumann Theorem

Why do we use Hermitian operators in QM?


Listen to my audiobooks on iphone6 that are not bought from itunes

Use an old iPhone 6 just for audiobooks - Cannot transfer file from iTunes to iPhone


RtlSidHashInitialize thread high CPU utilization on WIndows

Troubleshoot High CPU usage by the "System" process


regex, force a digit to match \d and not \w or dot

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


What is this perl code comparing files actually doing?

Explain this perl code which displays common lines in 2 files


On what refractive index of medium depends ?

Why does the refractive index depend on wavelength?


mysqli prep statement error (bind_param)

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


How do I replace caps in URL in Google Analytics


If $f(x)= x^3 + 3x + 4$ then the value of $\int_{-1}^1f(x)dx + \int_{0}^4 f^{-1}(x)dx$ equals


Customize newform save button - Save and redirect to another form


Why does my eye lose white balance and feel exhausted when I use my viewfinder?

How does the eye perform the equivalent of white balance?


How can I exit fullscreen in Minecraft and it stays on?

Turning fullscreen on made Minecraft crash, and now it crashes on start every time


Combinatorial proof that $2^{n+1}-1=1+2+4+\dots+2^n$


Homology of manifolds using submanifolds

Can one build a homology theory using submanifolds and their boundaries?


Whose fault is it? Google's or Samsung's?

Who are responsible for pushing out the OTA updates?


Install WhatsApp on Android x86 virtual machine

Install WhatsApp on Android running under Virtualbox


Assistance on beginning the integral $\int\frac{dx}{(x+1)(n-x)}$

Integration by partial fractions; how and why does it work?


show that $\sqrt{n+1}-\sqrt{n} \rightarrow 0$ as $n \rightarrow \infty$

Show $b_n=\sqrt[k]{n+1}-\sqrt[k]{n}$ converges towards $0$ for all $k \geq 2$.


Why typename is required even though it seems enough to deduce the name should be a type?

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


How to show every field is a Euclidean Domain.


Merge not contiguous partitions in Ubuntu 18.04


Python script to do something at the same time every day

How do I get a Cron like scheduler in Python?


How to modify the abbrvnat bibliography style


Update query SQLite gives Null Pointer Exception

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


How can I use CompareValidator for times without dates?


Is there a shortcut to select all cells above the current cursor position?


What is the benefit of studying atomic and molecular physics in such a detailed manner, if it is proved wrong, why don't we focus on quantum model?

Why do we study Atomic and molecular physics as a separate part in physics and that also in a very very detailed manner ,when we have proved it wrong


Unable to change virtual machine power state: This host supports AMD-V, but AMD-V is disabled

AMD-V is not enabled in VirtualBox on AMD APU


How can I install Ubuntu on a device without a screen nor a keyboard?


How to prove that the sum and product of two algebraic numbers is algebraic?


Is there an image number limit in questions from new users?


Is the model with the lowest AIC value always the preferred one?

AIC versus Likelihood Ratio Test in Model Variable Selection


For what value does the following improper integral exist

Find values for probability density function


Virtual Host not working as expected when I'm using .dev domain extension


Check if expression returns a valid date

Detecting an "invalid date" Date instance in JavaScript


Movie identification: YA 80's movie about a legion of robots overrunning a planet

Animated movie that had black robots that turned people into stone late 1960s to 1970s


Shall we have a drop down list to select communities while saving profile details?

Allow "Save And Copy Profile To All Stack Exchange Accounts" to exclude selected sites


Is it possible to give items with a custom max durability?

How can I change the durability of items using commands?


tex4ebook displays accents as wrong characters

TeX4ebook handles accented characters incorrectly


What is the name for the second decade in a century?

What is the name of the first decade in a century?


Could the Avatar cycle be ended via genocide?

Does killing off all airbenders break the avatar cycle?


showing error in update in ubntu 16.04.2

'Some index files failed to download' while updating


Adding dataset to ArcMap with ArcObjects and C#?

Casting idataset to ifeaturelayer in ArcObjects C#?


How can I delete these old system/driver files on Windows 10?

How to force the deletion of a locked file that has no locking handle on Windows?


I changed my admin user name and i've lost the admin rights

I don't have administrator account on my mac


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


How to check if version name String(found) > String specified for version name in Android

How do you compare two version Strings in Java?


How to plot and find the volume of a solid?


Do gravitational waves violate the information paradox?

Did merging Black Holes in GW150914 give up entropy and information to the gravitational waves, since they lost 3 solar masses?


How to reset cql_filter of WMS on OpenLayers 3?


What is difference between binary and source file?


Select item in dropdown needs to show / hide another dropdown

Show/Hide  dropdown, with jQuery, based on value


How to compare the user input that's a string with an integer?

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


What is the adjoint of an inverse matrix?

Adjoint of a matrix and inverse of a matrix


What's the Illustrator equivalent of Photoshop's clipping masks?


Why can i put my laptop to sleep without sudo myself in a terminal, but not in a cronjob

command not running in cron (systemctl suspend)


What does a healthy CNAME to an S3 web access bucket look like?

Pingdom error: "No delegation could be found at the parent" when analyzing subdomain


Photoelectric Effect - Dependence of current on frequency


Must the graph of a linear model always be a straight line of the form $y=mx+b$?

Why is polynomial regression considered a special case of multiple linear regression?