Find all integers $x$ such that $\frac{2^x+1}{x^2}$ is an integer.

Find all $n>1$ such that $\dfrac{2^n+1}{n^2}$ is an integer.


Getting regions with neighboring borders?

Adding/updating field to polygon feature class that lists bordering (neighbor) polygons?


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


Sudo - how not to type password in bash script? (apt-get)

How do I run a 'sudo' command inside a script?


(my)SQL delete duplicate DB-entries WHERE ...

How to delete duplicates on a MySQL table?


How do I set up CUDA v4.0 to work nicely with Visual Studio 2010?

How do I start a CUDA app in Visual Studio 2010?


How to install VLC from the Ubuntu Software Center


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


A directed complete graph with equal number of incoming and outgoing edges

Prove that there exist regular tournament of every odd order but there is no regular tournament of even order.


Reason for multiple bars in Legend entries


How do you make numbered equations in latex?


Why can't a particle that carries magnetic charge exist?

Why do physicists believe that there exist magnetic monopoles?


Can't rename columns in PostgreSQL views with CREATE OR REPLACE


Reputation points decreased without downvotes / negative points

A reputation change isn't being displayed on my profile


expected primary-expression before ')' token (requires "template" disambiguator)

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


How can I use the shift property of the Fourier transform to calculate the Fourier transform of an impulse train?

The Fourier transform of a "comb function" is a comb function?


Error involving dll when running C++ executable on another computer

Visual C++ executable and missing MSVCR100d.dll


How can I "crop" an image in the shape of any alphanumeric character?


How do I make animations a steady speed?


How to make a Stopwatch without rewrite line for each display

Writing string at the same position using Console.Write in C# 2.0


Difference between type(obj) and obj.__class__


How to find $\int_{-\infty}^\infty \exp(-x^2) \, dx$ with contour integration?

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


Giving (part of) credit to someone else for an answer

Sharing reputation for good comments that contribute to the quality of the answer


Wireless-AC 9560 not working after reboot but work if shutdown and start

WiFi doesn't want to connect until restart Ubuntu 20.04


How to get the information of users connected to a Wi-Fi hotspot?


How is the total energy invariant under the addition of a total derivative?

Ambiguities in the energy-momentum tensor


No activate_this.py file in venv / pyvenv

How can I activate a pyvenv vitrualenv from within python? (activate_this.py was removed?)


$f$ be a continuous function on $\mathbb{R}$ st $\lim\limits_{x \to \infty} f(x) = L^{+}$ and $\lim\limits_{x \to -\infty} f(x) = L^{-}$

Try to prove a generalization of the IVT?


I accidentally set an object as camera, how do I undo this?


java.lang.NullPointerException with InterstitialAd admob

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


Solving an inequality : $n \geq 3$ , $n^{n} \lt (n!)^{2}$.


How do I check whether a file exists without exceptions?


ConcurrentModificationException thrown in a multithreaded program

Iterating through a Collection, avoiding ConcurrentModificationException when removing objects in a loop


How to get all create for index and Constraints in PostgreSQL using just SQL

How to list all constraints of a table in PostgreSQL?


How can frequency be constant during refraction?

What determines color -- wavelength or frequency?


Proof of $(ab)^n=a^nb^n$ is fulfilled when it is true for $n = 2$

Let $a,b$ be in a group $G$. Show $(ab)^n=a^nb^n$ $\forall n\in\mathbb{Z}$ if and only if $ab=ba$.


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


kWh per 24hours from system that uses 950W

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


How can I protect against Slowloris on a NGINX server?

Why are NginX and Lighttpd not affected by Slowloris?


How to create a copy of a file immediately when it's created?


Large braces for specifying values of variables by condition


I need help understanding how these put options work!

Options for dummies. Can you explain how puts & calls work, simply?


How to fix electric piano circuit board tracks?


How do I pull a value from a Paragraph field and put it in a template?

How to print paragraphs in twig template?


Trouble setting up mail server(postfix, dovecot) on ubuntu 16.04


Neural Network for Rain Prediction - Only Learning Averages

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


PSTricks error "Undefined control sequence  \c@lor@to@ps"


I want to pivot a table and aggregate a column into strings

How to execute this procedure in PL/SQL?


Javascript array value is undefined ... how do I test for that

JavaScript check if variable exists (is defined/initialized)


How many different functions are there that are equal to their own inverse?


Can the integers be made into a vector space over any Finite Field?

Prove $\mathbb{Z}$ is not a vector space over a field


Finding the area of a circle using monte carlo simulation

Finding the volume of a sphere using the Monte Carlo algorithm


Display 2 random pictures PHP with no duplicates

php get two different random array elements


How to search for articles citing a certain combination of papers?

How to search for list of papers citing both papers A and B?


Trying to store data in a LinkedList on my test android app and keep getting a nullpointerexception

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


Service --status-all --> what does the column with [ ? ],[ + ], and [ - ] mean?


Is there a way to change resolution on a Note 4?


Why the following redirection doesn’t work?

Why can't certain programs (like readlink) take input from a pipe?


Finite ring having $2^n-1$ invertible elements


Virtualization (VT-X) stopped working on w10 machine. How can I start it again?

VT-x is not available, but is enabled in BIOS


Ubuntu 16.04: No sidebar/playlist in Totem

Totem sidebar gone after upgrade (playlist)


Is surjectivity equivalent to the existence of a right inverse?

Surjective bounded operator in Banach spaces without bounded right-inverse


Feature rendering issue in Geoserver WMS layer at larger zoom scale

wms layer not shown on geoserver while wfs works fine


Printing Value From Pointer Array in C++

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


Creating a bootable USB-stick on OS X for PC

How do I create an Ubuntu live USB using a Mac?


$\{a_n\}$ sequence $a_1=\sqrt{6}$ for $n \geq 1$ and $a_{n+1}=\sqrt{6+a_n}$ show it that convergence and also find $\lim_{x \to \infty} \{a_n\}$

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


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


Do we have magnetic monopole? Is charge, according to yesterdays paper on Nature by Ray-Roukokoski-Kandel-Möttönen-Hall (30.01.14) quantized?


Use a set of javascript variables in an email

Can I set subject/content of email using mailto:?


If$f_n$ a sequence of integrable functions on a set of finite measure which converge to f uniformly, then the limit and integral can be swapped.


templated function not found during compilation

Why can templates only be implemented in the header file?


Confusion about why sine/cos is used to represent SHM


'fncychap' accidentally converts ToC bibliography entry from chapter to section

Make bibliography appear in toc as a chapter, not section


How can I check if my Element ID has focus?

How do I find out which DOM element has the focus?


Is this an equivalent formulation of "surjective" resp. "epimorphism"?


What's the evolution of a state under an adiabatic evolution?

Evolution operator for time-dependent Hamiltonian


Why won’t this simple C++ code compile with clang++?

What is an undefined reference/unresolved external symbol error and how do I fix it?


How is prestige gain computed when battling a gym you own?

How much xp/prestige do you gain at a gym by training?


How do I get on a Minecraft PE server when it says 'invalid name'?


What does this notification bar icon mean in the HexoLibre theme by Cyanogenmod?


Adding pictures to mathematical academic papers

Software to draw illustrative figures in papers


Did the Enterprise have public/common restrooms?


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


About multi-root search in Mathematica for transcendental equations


Interpretation of the Mann-Whiteny U test

Why is the Mann–Whitney U test significant when the medians are equal?


Difference between interface and class objects

Java - declaring from Interface type instead of Class


Set click event dynamically at runtime but not just after jQuery loading finished

Event binding on dynamically created elements?


Jumbo loan amount before or after downpayment?

Do jumbo loan limits apply to the amount borrowed or to the property price? Can I avoid a jumbo with a higher down payment?


Why does division by zero with floating point (or double precision) numbers not throw java.lang.ArithmeticException: / by zero in Java


Redirect requests to my external IP/port to a different external IP/port?


If I reinstall ubuntu, will i be able to change my root password?

How do I reset a lost administrative password?


Why didn't Voldemort become the owner of Elder Wand?


Let z be a complex number such that $\frac{z-i}{z-1}$ is purely imaginary. Then the minimum value of $|z-(2+2 i)|$

find the minimum value given constraints


Question with zero answers has an accepted answer

Deleted accepted answer pinned as top answer


How can I put players in a team on their first join in Vanilla Minecraft?

How to assign players in MC to a scoreboard team automatically when they join?


Running java on online compiler jdoodle.com and having some issues

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


Width-per-column not working in ConTeXt columnset


Show that f(x) defined on [0,infinity) R to is continuous at 0.


Not understanding factor in residual variance in linear regression

Finding the unbiased variance estimator in high dimensional spaces


Two objects moving relativistically towards each other

Time for two relativistic objects to meet


C# - Find a file within all possible folders, and open that file

UnauthorizedAccessException while getting files


How to add a directory to PATH in Linux ? I am using Windows Subsystem for Linux - Ubuntu


How do I correctly estimate heat output for heater wire


How long to boil curry sauce left sealed in fridge three weeks to make safe

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


Is gravitational time dilation nothing more than kinematic time dilation in another form?

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


C#: Any way to skip over one of the base calls in polymorphism?


Why is $z\mapsto |z|$ not differentiable at $(0,0)$?


I throw a coin 10 times, and I get all heads, what is strange here?

Why is observing 100 heads for a fair coin flips surprising?


Since when are URLs parsed inside an inline code block?

URLs are linked despite being inside a code span


A sliding/horizontal scrolling feature for reading responses

Allow horizontal scrolling of long math expressions


HttpPost + setEntity : how to know content-length?


Is it possible to iterate a function transfinite times?


Is there any single command or method do determine if a W7 machine is a laptop or a desktop?

How can I check through command-line the computer form(Desktop, notebook or All-in-one)?


How to prove $19\cdot8^n + 17$ is not a prime number?

Prove that the number $19\cdot8^n+17$ is not prime, $n\in\mathbb{Z}^+$


How do I perform an IF...THEN in an SQL SELECT?


How to unlock the Lock Screen in Android Lollipop

Can not unlock my Android device as have no internet connection?


Problem with alert setting on Iphone since 9.0.1 update

Two Calendar alerts not working since iOS 9 update


Exporting sharepoint list items to excel by csom c#

Export SharePoint online List all data to excel Programmatically using csom code


Relationship between ResolveAsk.com and StackExchange

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


UITableView Drawing Problems When ReloadData Is Called


How to generate a multi-domain (and/or wildcard) OpenSSL certificate?

Which SSL certificate would support external and internal domain names?


How do I get Dark Characters in Lego Harry Potter?

In LEGO Harry Potter Years 1-4, what is the quickest way to get a Dark Wizard?


Install old package using install.packages


LibreOffice Writer: minimize, cross and enlarge buttons are missing

Why is the application title bar hidden under Unity's top title bar?


Where is the explicit statement to bar malicious/illegal hacking questions?

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


mysql update column with value from select case

MySQL Error 1093 - Can't specify target table for update in FROM clause


Short story about a young woman who is deliberately infected with life-preserving and repairing nanites

Short story with a woman made immortal by nanotechnology, sees end of Earth


NTP tool for showing deviance to a certain server


Geometrical Interpretation of function $\phi(n)$


The product of a sum of squares is a sum of squares

Product of sums of square is a sum of squares.


How to compute conditional expectation given sum of variables?

Conditional expectation for a sum of iid random variables: $E(\xi\mid\xi+\eta)=E(\eta\mid\xi+\eta)=\frac{\xi+\eta}{2}$


Proof of the Hockey-Stick Identity: $\sum\limits_{t=0}^n \binom tk = \binom{n+1}{k+1}$


findViewById() in another class gives error

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


How is the capacity of a harddisk faked?


Failed to get D-Bus connection: connection refused

failed to get D-Bus connection: Operation not permitted


UK visa for parents and sister from Ghana to attend graduation refused V4.2 (a) and (c) - should we reapply now?

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


How Can I Tell If I Bought a Pirated Pokemon Game?

How can I determine if a used game is pirated?


Where can I purchase video codecs for Ubuntu?


How do I evaluate $\prod_{r=1}^{\infty }\left (1-\frac{1}{\sqrt {r+1}}\right)$?


Is it possible to merge multiple gnome-terminal windows into a single tabbed view?

Merge split terminal tab back into one terminal


How to achieve 100% test coverage for the below code? --Schedule Apex and it's test class shown below


Ubuntu 16.04 - Some applications are slow to start

Ubuntu 16.04 some applications take too long to start up


Error while trying to pass awk result to variable

Command not found error in Bash variable assignment


how to club two cmd commands in command prompt?

How do I get the result of a command in a variable in windows?


In the opening credits of a TV show, why do some people get an "and" before their name?

What rules govern how TV show opening credits are structured?


FIELD_INTEGRITY_EXCEPTION: field integrity exception: unknown (invalid user or group: 005XXXXXXXXXXXX)


What is the type of variable y in "int &y"?

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


Using "Rigid Body" for rolling ball. Flat surface. How to push the ball to roll?


Attempt to invoke virtual method 'void android.widget.Button.setOnClickListener on a null object reference at SignUpActivity.onCreate

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


Why does an insignificant regressor become significant if I add some significant dummy variables?

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


Let $B$ the set of limit points of $A$. Prove $B$ is a closed set

Proving that the set of limit points of a set is closed


Principal ideal property without being integral domain?

Principal ideal rings that are not integral domains


Possible to cast Mind Spike without breaking concentration?

Can a concentration spell be cast without actually concentrating on it for an "instant" effect?


What is the Taylor series for the function $f(x)=\cos(x)$ centered at $a=(-\pi/4$)?

General term of Taylor Series of $\sin x$ centered at $\pi/4$


American traveling to Switzerland 5 days before work visa is valid

Do I have to leave the Schengen area if I have a short term (C) visa that will expire right before my National Visa (D) officially starts?


Find source of outgoing traffic to specific UDP port

How I can identify which process is making UDP traffic on Linux?


copy to clibboard + with some text before it

How do I copy to the clipboard in JavaScript?


minimum Solvency requirements for a visa to the UK. a 90 day visa is required

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


How to remove a task from ScheduledExecutorService?

remove a Runnable from ScheduledExecutorService


What characters need to be escaped to be interpreted literally in a regular expression capture group?

What special characters must be escaped in regular expressions?


Can I travel to Nepal from UAE with a Indian passport during the COVID situation

Where can we find frequently updated details about travel/entry restrictions due to Coronavirus (nCoV-19)?


Proving the divergence of $\sum a_n$ with $a_{n}=\frac{1}{n}\left( 1+ \frac{1}{\sqrt{2}}+\cdots+\frac{1}{\sqrt{n}} \right)$


How to remove multiple indexes from a list at the same time?


How to prove that $(A×B) ∩ (B×A)=(A ∩ B) × (B ∩ A)$?

Counter example for $(A \times B) \cap (C \times D) = (A \cap C ) \times (B \cap D)$


why does my windows always changes time? (dual os)


Ubuntu 12.04.1amd64bit tls installation problem

Problems dualbooting Ubuntu because of UEFI


Application to a real life problem: identifying outliers in univariate time series data

Simple algorithm for online outlier detection of a generic time series


how to get avd name of running android emulators in command line?

How to get Android AVD name from adb device name


What is the command to make a command block emit a redstone signal after 20 mins


what do you call a person who does not like to share information?

Word for person unwilling to share information


"count noun" or "non-count noun" -- how to know the difference?


How to add events to TForm's descendant?

How do I add custom properties to a form


What was the highest bounty ever posted?


Using diff to show both contents of new files and that new empty files are created

How to make diff print a full file diff when a file does not exist?


Why do people think that rockets can thrust in the vacuum of space?

What is a rocket engine thrusting against in space?


Pitch/Yaw in circle causes undesired Tilt

Why is the camera tilting around the z axis when I only specified x and y?


What does -y mean in apt-get -y install command?


extract dynamic values from video frames

Use TextRecognize to grab timestamps from a video frame


How to set a file size limit for a directory?


Android - prevent edittext copy/paste and double tap select all

Android, how do I stop a pointer appearing below an EditText


Is there a module that enables users to follow each others?

How to implement a follow author (or user) function?


Center the "part name" in the table of contents


After Javascript function ends, its internal variables are still accessible by closure?


How could one build connections with professors at a potential graduate program?

Contacting prospective advisors before graduate school applications - courtesy or annoyance?


How to save output from command (eg. diff) into a variable


Why is a paraboloid surface formed with a rotated liquid?


WiFi gets disconnected after some time in Ubuntu 14.04

How do I get a Realtek RTL8723BE wireless card to work?


Type.GetMethod() Not Returning methodinfo of Templated Parameterize function

Select Right Generic Method with Reflection


Just getting started with ubuntu and want to know how to access the full hard drive

How do I remove Windows but keep Ubuntu?


Global nginx error pages without redirect

nginx - Can I configure a global error document?


Correct grammar form for two people owning the same object?

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


Reproducing a Plot done with WolframAlpha

Plot draws list of curves in same color when not using Evaluate


Execute a shell script in another unix machine using SSH


What does Gandalf mean "there are many things in the deep waters?"

Do any sea creatures exist in The Lord of the Rings?


Can't Dual Boot into Windows 7 after Intalling Ubuntu 15.04

Windows 7 won't boot after installing Ubuntu 11


how can be captured (import) displayed record in another web in my application using PHP or VB6

How to Get a html page content using Inet in vb6 and put the content in a TextBox?


How can we model a continuous coin tossing system to predict next tossing result and having a variable bias in the coin

How to define prior for beta-binomial A/B test


How to add my .deb package to the sudo apt-get install command


Why is the MLE for variance in single linear regression biased?

Why divide by $n-2$ for residual standard errors


Querying Users who 'like' my Facebook Page


How exactly does one enable Family Sharing on Steam?


How to get the x and y position of a deeply embedded element with respect to the root element itself?

Retrieve the position (X,Y) of an HTML element relative to the browser window


The sizeof() function followed by square brackets

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


Log file extract data and append back same line


how to print "[" character in latex after \item[]


Installing Ubuntu over Mint in a dual boot configuration

Install 12.04 on top of existing Linux Mint installation


C++ error: operator[] cannot be overloaded


What would this integral come out as? $\int_{-1}^1\frac{1}{x}\ dx $

Does $\int_{-1}^1 \frac 1 x dx$ equal zero?


How can I clean install of Sierra after trying Mojave upgrade?

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


What resolution should a large format artwork for print be?


arcpy.SelectLayerByLocation_management gives ERROR 000368?

Invalid Input Data Error 000368 Running ArcPy tools in for loop


PHP: How to determine if a database connection is open


"each day" → "daily"; "every other day" →?


Is there a way to prove that I'm not in a simulation or a vr of some sorts in which everything I see, feel, etc aren't real?

Are we living in a simulation? The evidence


Finetuning movement based on gradual rotation towards a target

How does one prevent homing missiles from orbiting their targets?


Run-Time Check Failure #2 - Stack around the variable 'my2DArray' was corrupted


Clicking the username redirects to the revision history in CW posts

Revision history & community wiki links show the same page


How to pass a stack to a function when the function modifies the stack?

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


Credit Card Requirement Free Trial - User Experience

Best Approach When Using Trial Subscriptions


Is there a log file equivalent to manifest.txt

If I build a package from source how can I uninstall or remove completely?


How to show that topological groups are automatically Hausdorff?


What does the combination ^foo^bar do in Bash?

^x^y unix trick for all instances in last command?


A oil drop is half immersed in water. What will be the direction of the force of surface tension on the drop?

Surface tension: the paper clip experiment


Variations in meaning between "Last week" vs. "The last week" vs "The last n weeks"?

"last year" vs. "the last / whole of the last year" vs. "whole the last year"


What defines the mass of elementary particle?


How to calculate $\lim_{(x, y) \to (0,0)} \frac{xy^2}{x^2 - y^2}$

What paths to choose to prove that $\lim_{(x,y) \to (0,0)}\frac{xy^2}{x^2 - y^2}$ does not exist?


Showing $\lim_{x \to 0}\frac{\sin x}{x}=1$ with epsilon-delta

Prove $\lim_{x \rightarrow 0} \frac {\sin(x)}{x} = 1$ with the epsilon-delta definition of limit.


Placing nodes midway on paths using |- or -| in tikz


Speed up apt-get update by removing known ignored Translation-en

How can I remove the Translation entries in apt?


Why can't you delete your own question? Why is such a restriction?

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


$a^x\equiv a^{x\bmod(m-1)}\pmod m$ for m prime.

Mod of numbers with large exponents [modular order reduction]


Does one ever use apostrophes when writing plurals?

Plurals of acronyms, letters, numbers — use an apostrophe or not?


how to use throw exception in mysql database connect

Turning query errors to Exceptions in MySQLi


What is the LaTeX manual and how can I see a particular page of it?


How to get LogPlot to accept a Sequence for its Min/Max Limits

How can I use sequence in plotting domain?


"A number of students" vs. "the number of students"


User authorization php/mysql with session


Err:39 + getdeb while upgrading and updating

What should I do when the GETDEB repository is down?


No Wireless and Bleutooth Interface in Ubuntu 16.04 with HP Notebook with Realtek chip

Cannot see my wifi [10ec:d723] when trying Ubuntu


Where can I find reference images for building modeling?

Where are some places to get reference images for modeling?


Why are IID normal random variables spherically symmetrical?

How to generate uniformly distributed points on the surface of the 3-d unit sphere?


How to call static template-function of a template class?

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


Settlers of Catan Cities and Knights: Can Longest Road Leave the Game?


PHP : Best way to push data from server to clients.....?


Blank page when I use FusionTablesLayer with Google Maps JavaScript API v3


Why must a continuous function be null if its definite integral is null?


No notification about Investor Badge and it is missing under Achievements

Getting notifications from other Stack Exchange websites


How does "curved space" explain gravitational attraction?


$C([0,1], \mathbb R)$ with supremum norm is not sigma compact

Show that $C_0([a, b], \mathbb{R})$ is not $\sigma$-compact


Event binding on dynamically created elements?


Integration of $f(x)$ $:=$ $\sqrt{x^2 + 1} \over x$

How to integrate $\int\frac{\sqrt{1+x^2}}{x}\,\mathrm dx$


How to do a bezier interpolation mode animation along a path?


Checkmark on badge page not vertically aligned


How can I check ModelState.IsValid from inside my Razor view

How can I check if my model is valid from inside the razor view?


Is "each" an adverb, pronoun, determiner, or what else?


Sci-fi novel about child savants trained to play real-life war games

YA dystopia novel of battle school with unusual military control scheme


How to ensure that a prediction will increase if a particular feature increases?

Constrain a Neural Network to be monotonic?


Is it possible to enter Russia by train 1-1.5 hours before the visa validity period starts?


How can I theme the Bootstrap base theme search block?

How to replace the search submit button with a Font Awesome character?


How do I access administrator account from standard user on window 7 if I don't know the password to the administrator account

How do I reset the Windows XP Administrator password?


How does one disassemble Pro*C/C++ programs?


The letter A appears an even number of times. How many different sequences could Dr. Lizardo have written down?

What is the number of strings at size $n$ that is constructed from ${a,b,c,d}$ and there is an even num of $a$


how to change it to asynctask and make it compatible for above gingerbread?


Total resistance with resistors bridging two branches


Continuous Function Satisfying $ f ( x + y ) = f ( x ) f ( y ) $

Overview of basic facts about Cauchy functional equation


what is the main function for the propertiesmethods in constructor

Use of 'prototype' vs. 'this' in JavaScript?


python: can I reimport an external config file and let the program read it without restarting the program itself?

How do I unload (reload) a Python module?


How do I remove a malformed line from my sources.list?


event listener does not work after append

Event binding on dynamically created elements?


Why use drywall tape when you can just mud over the crack?

What is the purpose of tape when finishing drywall?


using Fibonacci numbers prove that if $d|n$ then $F_d|F_n$

Question regarding the Fibonacci sequence


If electrons can be created and destroyed, then why can't charges be created or destroyed?

If Energy can be converted into mass, why can it not be converted into charge?


The problem with automatically bumping edited posts

Could we have the ability to mark a change as minor in questions or answers?


Changing color of text snippet in a verbatim environment


How can I convert colums to rows in Excel?

How do I transpose data in columns to rows?


When does a square matrix have an eigen-decomposition? When is a matrix defective?

diagonalisability of matrix few properties


Why can't I filter on IS NOT NULL in this query


Is it possible to pause a job listing on Stack Overflow Careers?

Republishing Intentionally Expired Job Listings


Solutions of this set of linear congruences using Chinese Remainder Theorem?

A slight modification in Chinese Remainder Theorem


Why doesn't this regex capture reach the end of the string?

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


Why would inline assembly crash in release only?

GCC not saving/restoring reserved registers on function calls


Is $x_0^4+x_1^4+x_2^4+x_3^4-ax_0x_1x_2x_3$ irreducible for every $a \in \mathbb{C}$?

Does $x_0^4+x_1^4+x_2^4+x_3^4-ax_1x_2x_3x_4$ really define a surface?


Create a "with" block on several context managers?

Multiple variables in a 'with' statement?


"express congratulation to someone for" VS "express congratulation to someone on"


The SMTP server requires a secure connection or the client was not authenticated. How to receive email on my gmail account.?


Bounty - Does that reward reputation points or will cost my reputation points?


Prove that A×(B∩C) = (A×B)∩(A×C) by using the set builder notations.

Proving $A\times (B\cap C)=(A \times B)\cap (A\times C)$.


For random generating string how to fix "for loop initial declaration used outside c99 mode"?

How do I fix "for loop initial declaration used outside C99 mode" GCC error?


Can we have suggested edits reviews be a pop-up while reviewing another queue?

Reviewing a suggested edit from a review queue jumps to the suggested edit queue


Android - Collections.sort - java.lang.NullPointerException

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


Pgfplots: Draw angle besides coordinate line and plot

How do I draw an arc between two lines in pgfplots using axis cs


Problem starting win8 ISO in VMware virtual machine

How do I enable hardware virtualization technology (VT-x) for use in Virtualbox?


When does Professor X lose his ability to walk?

How does Xavier get the use of his legs back after "X-Men: First Class"?


How to create a service in ubuntu then access to it by url?

What's the easiest way to set up a LAMP stack?


Feature Request: Notifications for question answers

Mark questions to receive notifications and updates?


Pythonic way to create list of repeated independent elements

List of lists changes reflected across sublists unexpectedly


How to adapt a Linux like fedora, ubuntu etc. to make my own linux distro?

How do you properly fork a Linux distro?


JavaScript: Same code take different time to execute

Why this huge performance difference for an encapsulated Javascript function?


Define new extension method in class Queryable

Can I add extension methods to an existing static class?


Reduce file size of jpeg image after compression

How to compress / reduce the size of JPEG photos for archiving?


Looking for a word to describe a person who lies/invents stories to elicit sympathy to manipulate others and further their own advancement

What do you call a person that goes to extreme ends to accomplish a goal?


Problem with option border of class standalone


Logistic Regression Vs Simple Regression

Logistic Regression - Error Term and its Distribution


checkbox click executes many hibernate queries


Can we include tag-wiki associations in SEDE?


Is it possible to change research focus entirely for a Post doc (for example, going from studying Biochemistry to neuroscience)?

How successful would one be in switching fields from PhD in computational biology/neuroscience to postdoc in computer science?


How to type the symbol of viscous stress tensor?

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


Use of 'prototype' vs. 'this' in JavaScript?


Vim Search with "Current Occurrence / Total Occurrences" Shown at the Bottom


Is there software for reading acsm files?

Is there an open source alternative to "Adobe Digital Editions"?


Why the Ito isometry implies this equality?

Expected value of correlated stochastic integrals


Problem with function inside brackets. Bug?


What happens when square root is performed in inequalities?


Output of a returned integer array not working in java

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


How to run a Python script not as '~$ python myscript.py' but as a single command '~$ myscript'?


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


Correct formula for LED current-limiting resistor?


Steps to upload an iPhone application to the AppStore


Searching in any meta site should include results from Meta.SE

Are meta site questions linked to each other?


match the order of an array to another array


Pgfplot image messed up with newer texlive

fillbetween from pgfplots does not work inside groupplots


Importing ArcGIS colour scheme into QGIS

Converting ArcGIS layer style to Styled Layer Descriptor (SLD) file?


mysqli_query expects at least 2 parameters


Canon 700d - lens does not move when focusing?


How much power can be drawn from Apple Lightning port for a device?

How much power can be drawn from the lightning connector by a external device?


Power of subset of finite group is a subgroup.

If $S$ is a nonempty subset of group $G$, then $S^{|G|}$ is a subgroup of $G$.


What is my firmware, software, and operating system?


Youtube Music Application Local History File Location


Can't extend root partition with unallocated space


How does a broomstick determine which rider is in control?


Can a 20V 4.51A power supply be used with a computer that requires a 19V 3.42A power supply?


Why is there an oily substance on the connector in my circuit breaker?

New breaker and panel: What's the brown goo where they connect?


Setting CSS pseudo-class rules from JavaScript


How can I extract a page range / a part of a PDF?


How to get the total value from a textbox array?

Event binding on dynamically created elements?


Mothers name is different in Child passport

Children with a different surname to parent - UK citizen - UK passport control


Find the exact value of the limit of the sequence defined by $a_1 = \sqrt 5, \;a_{n+1}= \sqrt {5 + a_n}$

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


What happens for a spoon if you carry it to the top of Mount Everest?


Does Link Between World's Hero Mode impact the street pass battles?


Ubuntu 17.10 does not boot after installation on Windows 10 (UEFI disabled) / black screen during installation (UEFI enabled)

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


Button click event not firing after ajax call


What is an undefined reference/unresolved external symbol error and how do I fix it?


What are prepaid SIM card options for data in the UK?

How can I find the cheapest prepaid SIM card for a given country?


Covariance between estimates of slope and intercept

How to derive variance-covariance matrix of coefficients in linear regression


How to add an arrow between two edges in a graph?

2-morphisms for 2-category: don't understand how to draw


How to retain value of the variable after the page is reloaded?


How can I recover photo files from a memory card with a corrupt filesystem?


Prove that $\forall a,b,c,d\in \mathbb{R}\,$, $(a^2-b^2)(c^2-d^2)\leq(ac-bd)^2$ and equalities hold if and only if $ad=bc$.


Python idiom to chain (flatten) an infinite iterable of finite iterables?


Is It Possible to NSLog C Structs (Like CGRect or CGPoint)?


How to include python with script package?

How to bundle a Python application including dependencies?


`^^I^^I^^I` on beginning of each line in minted

xelatex: Minted code block represents tabs as ^^I


ubuntu 18.04.02 - sudo apt upgrade - stuck

Ubuntu 18.04 stuck at upgrading linux-header


How do I bake a texture using Cycles bake


What is the difference between the displace socket and a bump map?


Help me solve this equation; I believe this is a transcendental equation

Find all roots in the interval of nonlinear equation


Good abstract algebra books for self study


Virtnetwork Cannot Start Virtualizor KVM


Square bracket (tag) in search URL parameter is gone after human verification step

Brackets around tags disappear from search after captcha


density() function not working as expected

Can a probability distribution value exceeding 1 be OK?


Remove migration notices from destination post

A proposed philosophy of question migration


Is it possible to have an object ignore a certain light source but still be affected by others?


How do I disable X at boot time so that the system boots in text mode?


Python - Combine all items in a list into a string

How to concatenate items in a list to a single string?


Why does the variance of the Random walk increase?


Taxonomy term title as page title in custom view


Mettle C++ Test Framework's use of undescore

What are the rules about using an underscore in a C++ identifier?


Conditional expectation $E[\log(1+X) \mid X>t]$


Does Big Bang predict the size of the fluctuations in the CMB?

What evidence do we have that CMB is the result of the Big bang?


How do I position/overlay a transparent *png over a  using CSS?


How to change position of Toast in Android?


Make gnome-terminal show the command running as title

How to make the top bar of my terminal say what command is running?


"Immutable" strings in Java - actually, it's a lie


Tips for taking a dog on a long distances (multiple day) car trip?


what is the best way to make a bunch of platforms appear randomly on a JFrame but close enough the player can reach them?

Algorithm for randomly generating reachable platforms


Is 'Seldom I am wrong' correct or wrong?

Why must “has” come before the main verb here?


weird boolean answer when Comparing two strings in Java


How to find a condition that ensures that the rocket immediately takes off?


How to validate an email address using a regular expression?


The deal between "Mary and me" vs. "Mary and I"

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


Number of bases of an n-dimensional vector space over q-element field.


How to update Galaxy Nexus from 4.0.2 to 4.2?


does apt-get checks cache directory before downloading packages

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


why does `as.numeric` of a character with decimals add additional numbers


How can I reduce the bitterness of onions?

How do I tone down the intensity of raw onion?


Where do places like Xandar and the Kree empire fit within the Nine Realms from Thor?

How are the Nine Realms situated in space?


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


how can we save html5 canvas image to database in php

How to save an HTML5 Canvas as an image on a server?


Is it possible to Pivot data using LINQ?


Download packages (different architecture) different Ubuntu version


Using sed, awk or grep to split a string with numbers


repeating a special type of square wave over time

How to plot periodic function's graphic?


Book about two boys who crash into a cave, and an alien life form protects them but wont let them leave?

Children's sci-fi book about joyriding a space craft


What does negative Total Equity mean in McDonald's balance sheet?


Compare two files and display the output with matches,duplicates and nomatches

compare two columns of different files and print if it matches


remove duplicate values from different arrays php

How to remove duplicate values from an array in PHP


How to check the list of packages and applications installed along with the name of the users that installed them.?

Generate a log of all the installs on a system (whether apt-get/yum/pip/npm/...)


Solving a transcendental equation with complex exponential

Solving equations of the form $ae^x + bx +c =0$


When would I use a voltage regulator vs voltage divider?


How to install Ubuntu in parallel with Windows 10?

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


How to protect against SQL injection with an IN() array?


Box2d :What is the best approach to build static Box2d smooth curve line

How do I make a curved surface out of rectangular blocks?


How can I list installed packages on a Debian based system that are NOT part of the base distribution

Is there a command that outputs ONLY the packages explicitly installed by the user? (ubuntu/debian)


Tag does not exist in XML Namespace with custom uri-namespace

Clr namespace mapping to default xaml namespaces


c# marshal struct, that has an unknown length array

Marshal a C struct containing a variable length array


How to recover or create deleted 'Documents' folder in Home folder?


Is there a word that describes the act of trying to impose guilt on another party?

A word that refers to saying something in an attempt to anger or embarrass someone into doing something that they don’t want to do?


"Failed to start apply kernel variables" on ubuntu 16.04

How to stop Katoolin from crashing Ubuntu?


OpenOffice Writer: preserve hyphen in text


Filter for Canon EOS M50 Mirrorless Camera Kit w/EF-M15-45mm Lens

How do I find the right size of filters for a lens?


To prove $\left|\frac{p_n(z)}{q_m(z)}\right|\leq \frac{M}{|z|^{m-n}}$ for some $M>0$


Prove If $S \subset R$ is a nonempty set, bounded from above, then for every $\epsilon >0$ there exists $ x\in S$

Let $A$ be a nonempty subset of $\mathbb{R}$. Prove...


Intercept certain tags to support sites which are born from Stack Overflow?

This question may belong to , consider migrating


Need my Regex pattern to match multiple terms, in any order, in any provided block of text

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


Button with onclick event created by setAttribute does not start a function when clicked

What is the scope of variables in JavaScript?


Google Sheets split into new rows while duplicating surrounding row entries

Forms Data Manipulation In Google Sheets


Load Gnome Tweaks settings on login or reset


What can I do with small change from countries I am unlikely to return to?

How do I get money back for my foreign coins?


how to obtain data inside a CDATA section using Xpath from a XML

Creating a new DOM element from an HTML string using built-in DOM methods or Prototype


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


How to construct a field with 25 elements of a given polynomial?


Final variables and methods inside a final class

When should one use final for method parameters and local variables?


Good looking underscores with LuaTex and fontspec


Implementing comparator multiple times in a single class file

How do I make 2 comparable methods in only one class?


E: Could not get lock /var/lib/dpkg/lock-frontend - open (11: Resource temporarily unavailable)

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


Want to show alert box for only 3 seconds


What are the requirements to get the "Weed Eater" hat?


Using selectors and $(this) in Jquery Ajax

$(this) inside of AJAX success not working


How can I browse custom tag filters created by other users?

How to follow someone else's Stack Exchange (questions) filter


How to print out a certain part of a string


Does shimosh.com violate "attribution required"?

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


How to initialize a vector of vectors on a struct?

Initializing a vector of vectors having a fixed size with boost assign


How do I add swap after system installation?


Can I start a new rage before the previous one ends?


What data structure is used to implement the dynamic memory allocation heap?


Ant deployment throwing error "The version of the flow you're updating was active and can't be overwritten"

Getting an error that a flow "was" activate and cannot be overwritten


How to reset the terminal properties and preferences?


Find all seventh-power residues modulo $29$.

Find all solutions to $x^9 \equiv 25 \pmod {29}$


How can I make a div not larger than its contents?


Choosing equipment options at character creation


Java 8 - Object method reference executes method of null reference

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


SQL Server logins and users -- assign multiple logins to a single user?

Mapping of multiple server logins to one database user


Debugging FeatureClassToFeatureClass giving ERROR 000732?


Can an arcane caster cast a spell that has as its only focus component a divine focus?

How do wizards cast spells which appear on their spell list when it has a divine focus component?


How to access the phone via adb; broken screen

Broken screen while debug mode was disabled. How can I re-enable adb?


Simple Python Challenge: Fastest Bitwise XOR on Data Buffers


Why does Copenhagen theme not support showing frame numbers?

Missing frame numbers with PaloAlto theme


What possessive is used when "everybody" is the antecedent?


HP Pavilion 15 aw002la issues UBUNTU 16.04

How do I get a Realtek RTL8723BE wireless card to work?


If dx is a variable, then how can we divide by it since we know it can be zero.

Is $\frac{\textrm{d}y}{\textrm{d}x}$ not a ratio?


Characteristic polynomial of unique matrix

The characteristic and minimal polynomial of a companion matrix


Prove that there does not exist a group $G$ with a group of automorphisms isomorphic to $\Bbb{Z}$ or $\Bbb{Z}/n\Bbb{Z}$ with odd $n \gt 2$.

There does not exist group $G$ such that Aut$(G)\cong \mathbb{Z}_n$ (for odd $n$)


How do you get to be the administrator without using SUDO


Second jQuery Function In Script Doesn't Execute

Event binding on dynamically created elements?


Check if an automatically created div has been clicked


What is this animation and why is it happening?


How to get an output results as text to more than one location at once?

Append same text to many files using cat or echo?


Scala REPL startup error "class file is broken"


Chrome Uncaught Syntax Error: Unexpected Token ILLEGAL

No visible cause for "Unexpected token ILLEGAL"


How can I add default command line parameters to an executable in a way that will also work on GUI apps?

How can I find the program I'm hiding in bash


Youtube videos play in fast forward mode. How to fix that?

(Only) YouTube Videos automatically fast forward


Can you monkey patch methods on core types in Python?


PHP PDO MySQL SQL INSERT Statement Not Working


Proof of continuity of Thomae Function at irrationals.


Does renaming a pokemon to its original name count as a nickname?

In Pokemon Black/White, can the Name Rater remove a nickname?


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


I want to play cricket 2002 using wine or play on Linux?

How can I install Windows software or games?


Doesn't the 'Avis' charm indirectly violate the Gamp's law of Elemental Transfiguration?

How can animals in the wizarding world go close to extinction?


What happens when identical overlapping effects have their end-condition met?


Is there a cardinal function such that the intersection of a family of open sets with the same cardinality has an open intersection?

How to call a space in which every G$_\kappa$-set is open


Why blue background are used for special effects and What is difference between the blue and the green backgrounds?

Why are movie scenes shot with green background?


How to remove a bogus email from Outlook?

How can I delete an email address from Outlook's email history?


No Add Friend Button but many mutual friends?


Exception starting filter springSecurityFilterChain

ClassNotFoundException when using User Libraries in Eclipse build path


My /boot partition hit 100% and now I can't upgrade. Can't remove old kernels to make room


What is the standard rule for using or not using hyphen and diaeresis on the words like reelect , reexamine, and cooperate?


Probability distribution of maximum of two uniformly distributed random variables


NDSolve with piecewise function gives error "Encountered non-numerical value for a derivative at x == 0."


Google App Script Adding one Day to a date


What is the definition of a ring element raised to the zeroth power?


What to modify if I dd sda1 to another machine?


How to find occurance of mxprod|nlsoprdc inside multiple file in a directory?

How to search for a word in entire content of a directory in linux


Rudin Remark 4.12: mappings of metric spaces

Remark from baby Rudin about continuous function


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


table over two columns in twocolumn mode

How to put a full-width table at the top or bottom of the same two-column page as the reference text?


Upper bound for $\mathbb{P}(\max_{1\leq m\leq n} |S_m| \leq x)$ using martingales

Kind of converse of Kolmogorov maximal inequality


How to resolve "The expression of type Class needs unchecked conversion to conform to Class"

Mockito isA(Class clazz) How to resolve type safety?


Can you apply CRT to the congruence $84x ≡ 68$ $(mod$ $400)$?


ANdroid: java.lang.NullPointerException: Attempt to invoke virtual method 'double android.location.Location.getLatitude()


Proving equalities with sets: $A \cap (B \cup C) = (A \cap B) \cup (A \cap C)$ and $X \setminus (A \cap B) = (X \setminus A) \cup (X \setminus B)$

Proof of $A\cap(B\cup C) = (A\cap B)\cup(A\cap C)$


Can I install Ubuntu 64 bit alongside a Windows 8.1 32 bit pc?

How can I install Ubuntu without removing Windows?


How to find $|a|\cdot|b|\cdot|c|$ if $a+\frac 1b=b+\frac 1c=c+\frac 1a$

If $a+\frac1b=b+\frac1c=c+\frac1a$ for distinct $a$, $b$, $c$, how to find the value of $abc$?


$\frac{c}{1+c}\leq\frac{a}{1+a}+\frac{b}{1+b}$ for $0\leq c\leq a+b$

Can I prove this inequality algebraically?


Field of fractions of PID R with infinitely many max ideals not a f.g. R-algebra

Can a quotient field ever be finitely generated as an algebra?


How do I align my partition table properly?


Set focus and cursor to end of text input field / string w. Jquery

Use JavaScript to place cursor at end of text in text input element


PHP Fatal Error during INSERT doing a PDO


What book featured a city with many shrines for gods?

Book where girl can grow nails and might be a thief


while updating its throwing error like as follows :

Failed to download repository information due to missing CDROM


How do I install, learn and benefit maximally by using LaTeX


Blocking IP Addresses dynamically without any software

linux command to prevent dos attack by using netstat and iptables


Why is the auto created statistic on this column empty?


Component Event doesn't seem to working!

Component events vs Application events (component.getEvent vs $A.get)


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


is shell a command line interface if so why we need terminals

What is the exact difference between a 'terminal', a 'shell', a 'tty' and a 'console'?


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


Guava MultiMap and ConcurrentModificationException

Iterating through a Collection, avoiding ConcurrentModificationException when removing objects in a loop


How do I prevent apt from attempting to update a manually configured and installed package?

How to prevent updating of a specific package?


ORA-01950 error during the execution of insert statement

"ORA-01950: no privileges on tablespace 'SYSTEM' " : What error is it?


How to add a buffer in QGIS that updates itself

Is there a way to have a 'live' buffer in QGIS


agsm bibliography style displaying all authors in text without using \citep*

AGSM bibliography style sometimes doesn't abbreviate to "et al." for duplicate author+year


Which are the integer solutions of this function?

How to find solutions of linear Diophantine ax + by = c?


How to prove that $\left(1+\frac 1 n\right)^n < \left(1+\frac 1 {n+1}\right)^{n+1}$?

Show that $\left(1+\dfrac{1}{n}\right)^n$ is monotonically increasing


How to derive the CNOT matrix for a 3-qubit system where the control & target qubits are not adjacent?


How do I remove a malformed line from my sources.list?


ubuntu 14.04 mounting usb with "can't read superblock "

Can't mount an IDE HDD - "can't read superblock" error message


Best data type for storing currency values in a MySQL database


What's the use of the .eh_frame section in C programs?

What do the .eh_frame and .eh_frame_hdr sections store, exactly?


Let $A, B$ be sets. Show that $\mathcal P(A ∩ B) = \mathcal P(A) ∩ \mathcal P(B)$.

Does $\wp(A \cap B) = \wp(A) \cap \wp(B)$ hold? How to prove it?


I still don’t understand how these sentences are interchanged


What's an effective way to parse command line parameters in C++?


How can I add entire directory to jar using ant?

How to include directory structure in an ant jar file?


Terminating app due to uncaught exception 'NSUnknownKeyException', reason: '[ setValue:forUndefinedKey:]:

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


Quaternions: Why is the angle $\frac{\theta}{2}$?


Simple past or present perfect? (in unknown point in time in the past)

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


Can Sass leave a literal $ in a selector after compiling?

Which characters are valid in CSS class names/selectors?


How to Convert Folder to rar File using C#?


How should I edit my question to explain how it's not a duplicate?

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


Not understanding a step in proving $P\leftrightarrow Q = (P\wedge Q)\vee (\neg P \wedge \neg Q)$

proving logical equivalence $(P \leftrightarrow Q) \equiv (P \wedge Q) \vee (\neg P \wedge \neg Q)$


Parallel file copy from single source to multiple targets?


Table does not update when selecting combobox


If Harry is NOT Voldemort's horcrux, will Voldemort resurrect from that part of soul if all his other horcruxes are destroyed


Public keys not available, can't use apt-update

"no public key available" on apt-get update


Removing Object from ArrayList Causes ConcurrentModificationException

Iterating through a Collection, avoiding ConcurrentModificationException when removing objects in a loop


Polynomial with $f(x) =17$, show that it has at most $3$ integer roots

Polynomial $p(a) = 1$, why does it have at most 2 integer roots?


How to write startup script for Systemd?


What is the maximum or minimum tire width I can fit on my bicycle


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


how to save a JTable to text file through JFileChooser

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


QGIS rule-based point style responding to number of co-located objects?

How to combine several datapoints in one location to a single point varying in size accordingly?


What do you call a male child of your female cousin?


March 2021 CERN discovery? What would be the properties of the new particle/force from decaying bottom (beauty) quarks?

Breakthrough at the Large Hadron Collider -Leptoquarks skepticism?


How to update sql database with php script


Evaluate integral using rectangular contour

Help with integrating $\int_0^{\infty} \frac{(\log x)^2}{x^2 + 1} \operatorname d\!x$ - contour integration?


Can a power supply be too powerful for a device assuming that the power supply is at operating voltage of the device?

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


Equivalence of Observable.Do for Enumerable

Why is there no ForEach extension method on IEnumerable?


How can I look up a public company's short-stock position?

How did the WallstreetBet community know that Game Stop was shorted so heavily?


Imgur image removal request being ignored... Stack Exchange help unanswered


Infiniteness of set of primes such $f$ have root $\mod p$


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


Finding the number of divisors of an integer

Algorithm to calculate the number of divisors of a given number


Give the labels to midpoints of a triangle


Cached data with PDF report in reportlab

Django Caching - Remove caching for certain pages


How to make a gui button follow a path after a touch?


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


Looking for title of sci-fi story/book: About space travel and finding dead relatives on a planet?

Astronauts land on planet, met by aliens impersonating their deceased relatives


Remove completed reminders in OS X and iOS


Files from mounted volume cannot be send to trash, only deleted permanently

Cannot move file to trash warning when trying to delete a file in Nautilus


Can we have chaotic motion due to the finite precision of our calculations?

Why is the computer useful if a chaotic system is sensitive to numeric error?


How can I stop .gitignore from appearing in the list of untracked files?


If A is a set and A ⊂ A×A, then prove that A = Empty Set

How to prove that if $A\subseteq A\times A$, then $A=\varnothing$?


Cannot set int? to null inside of ?: Operator

Nullable type issue with ?: Conditional Operator


How can I remove DisplayPort from audio devices?

Disabling sound output devices (e.g. Internal Speakers) in OS X


Why is transparency not working on this transparent image texture

How do I get transparency to work with the Principled BSDF shader?


Why can't I launch eclipse from a terminal or run it?

A problem installing Eclipse with Java 9 to Ubuntu


Is there a way for normal, non-moderator users to search for deleted questions, or could one be added?


Prove or disprove: For any $v\in\mathbb{R}^n, \|v\|_1\|v\|_\infty \leq \frac{1+\sqrt{n}}{2}\|v\|_2^2$


Including external HTML file to another HTML file

Best practice to create a template in HTML


"I wish I didn't do" vs. "I wish I hadn't done"


Why exponential function giving different results in java and python?


If the photon is the force-carrier for the electromagnetic force, how does the electric charge of a black hole escape the event horizon?

Detection of the Electric Charge of a Black Hole


Getting an IllegalArgumentException Null. Crashes after launch when i click on signup button

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


Can we move a module from the directory "/modules" to the directory "/modules/contrib" without uninstalling it?

How can I safely move a module to another folder?


Cite footnote not showing in figure environment


Overlay Google Maps to OpenLayers in GeoServer

How to add google satellite as a base layer for a geoserver generated openlayers page


java.lang.NullPointerException error with JSONObject


How to remove Ubuntu and put Windows back on?


Why is the pattern buffer in Star Trek not routinely used to revive people?

Why can't a Federation Starship's transporter history be used to bring someone back to life?


The List values and my given value is equal then the checkbox will be checked?


How to skew (slant) a box with the graphics/graphicx package?


In php, Number of rows and columns in a 2 D array?


Require v8 only contrib module with v9 patch


Is "Call me when you are available to talk" correct?


why do we need to install Ubuntu when we already enable WSL in Win10


How to get this washed out look in lightroom

How can this brightly colored yet gentle pastel-color effect be achieved?


What is a difference between JS variables - with and without dollar sign?

Why would a JavaScript variable start with a dollar sign?


How can I model a helical helix, helicity on several levels, with a script?


Can I mount a partition from a full drive image?

How do I mount an `img` created with /bin/dd of a hard drive?


how to covert arabic text in json_decode


Reconfigure keyboard layout - 13.10, 14.04

Why did 13.10 break my custom keyboard layout?


Method always wants me to keep other ones in static

What is a serialVersionUID and why should I use it?


Inheritance-related c++ compilation error


Basic maths theories for good understanding of the standard model

Mathematical background for Quantum Mechanics


Mod of numbers with large exponents [modular order reduction]


What is the proper construction of this question - "...for who are we" or "...for who we are"?

What is the correct sentence: “Who are we?” or “Who we are?”


What is th difference betwen stat -c %B and stat -c %o?

Difference between block size and cluster size


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


Installing (Dual-Booting) Windows 10 on a system with Ubuntu 16.04.2 installed (UEFI)

How can I install Windows after I've installed Ubuntu?


Uninstalling Ubuntu and deleting boot entry

How to remove Ubuntu 12.10 from dual boot with Win 7?


Setup SSH public key for login without password

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


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


Unable to update CLAMAV and CLAMTK "Problem with internal logger"

sudo freshclam not working: ERROR: Can't open /var/log/clamav/freshclam.log in append mode (check permissions!)


How to update the string name of an item inside a DefaultListModel

Java - Updating JList after changing an object


Is it possible in D&D 5E to create what is essentially a floating disk powered flying machine that is steerable via moving along a ring?


Using Media Controls From Headphone Jack

Using headset controls like a smart phone


Why there is electromagnetic resistivity $\approx 377\Omega$ in vacuum?


$\mathrm{Rad}(L)$ is contained in all maximal solvable subalgebra.

Borel subalgebras contain solvable radical


Need the words between the " - " ONLY string splitting


Choosing between .bashrc, .profile, .bash_profile, etc

Difference between .bashrc and .bash_profile


How to burn .zip image to SD card from command line?

How to unzip and dd a disk image to an SD Card with a single command?


Efficiently finding two squares which sum to a prime


Cannot make a static reference to the non-static method


JavaScript, Whats the difference between defining variables with $ and without?

Why would a JavaScript variable start with a dollar sign?


Tomcat 7 / Java 8 ClassNotFoundException

ClassNotFoundException/NoClassDefFoundError in my Java web application


Why does "echo '2' . print(2) + 3" print 521?


Multiple buttons with Javascript confirm and window.location

Function overloading in Javascript - Best practices


CreateProcess succeeds, but GetLastError() returns access denied


Restoring default toolbar layout in Blender 2.81

Is it possible to use the startup.blend UI layout in older files?


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


Notification for reviews shows way too many


Why does parseInt yield NaN with Array#map?


Need help evaluating the integral $\int_{-\pi}^{\pi} \dfrac{x \sin x\ dx}{1- 2a \cos x + a^2}$ where $0 < a < 1$.


Dual Boot ( Windows 7 32bit and Ubuntu 14.04LTS 64bit )


How to create a nondestructive gradient mask over an object?

Using a Smart Object as a mask for another layer?


How do I install Firefox ESR from a command line?

Is there a deb package to install Firefox ESR?


Why the new hard drive has to be partitioned if I don't need any logical partitions?

Uses of single-partition disk configuration


Any idea whats going on with these back legs?


Flight EZY7153 on 9/3/2017 Liverpool to Arrecife


Can Delphi XE5 produce apps for Windows 8?

Can Delphi XE5 produce apps for Windows 8 RT and Windows Phone 8?


Refering to this in a function expression in JavaScript,


If a user gets 30 up votes on his answer, will he get remaining 100 reputation tomorrow?


Intuitively, why does it make sense for the rationals to be countable?

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


Sum of multiples of $2$ coprime numbers cover positive integers


Maven: add external jar folder to classpath

Can I add jars to Maven 2 build classpath without installing them?


What is the caret symbol (^) and where is it defined?


If $a_n>0$ converges to $a>0$, then $(a_0 a_1\cdots a_n)^{\frac{1}{n}}$ converges to $a.$


show that if $K$ is a field then $K[x]$ is principal

Prove that a commutative ring $F$ is a field iff $F[x]$ is a Principal Ideal Domain


Java-appending string to the Jtextarea throws null pointer exception

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


when actionlistener is calle I get "Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException"


how would i make a sprite go in front and behind a 2d wall?

Issue with Sorting Layers with an NPC and Tilemap


Unable to open ubuntu in virtual box 6.1 after changing system permissions

Why does chmod 777 -R / leave the system unusable?


Using a single-level domain for Active Directory

Windows Active Directory naming best practices?


Why is my address bar in safari doing this?

Cannot select text in Safari address bar


What is this icon on top right corner of screen?

What is this icon depicting a phone and Wi-Fi together?


Escape slash in variable for awk pattern

Pass shell variable as a /pattern/ to awk


How can I recover Deleted files during Ubuntu setup, the drives are not there anymore

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


Avatars won't load in Firefox if very restrictive content blocking is enabled


Which engine in Blender should i start with?

How is Cycles different from Blender Internal?


Does anyone know of any low-poly 3D art tutorials?

How to create a Geometric Polygonal Art portrait


What is the distribution for the maximum (minimum) of two independent normal random variables?

Computation of distribution parameters for the maximum of two random variables


Perl resets the EUID only when executing multiple commands through `env - /usr/bin/perl -e 'system("...")'`?

Common binaries with support for command execution, like `awk` and `vim`, not respecting setuid bit?


c# loop 100 times but output is similar even though it should be random

Random number generator only generating one random number


On the derivation of the Euler-Lagrange equations

Why are D'Alembert's Principle and the Principle of Least Action Related?


Read the contents of a zipped file without extraction?

View list of files in ZIP archive on Linux


Android XML Error parsing XML: junk after document element


Suppose that $N_1$ is a normal subgroup of $G_1$. Is the image $f(N_1)$ of $N_1$ a normal subgroup of $G_2$?


How can we convert HTML string to Object using javascript?


How to get ASCII value of a string in C#


java: print size of each ArrayList in a map

How do I efficiently iterate over each entry in a Java Map?


Adding function to prototype vs object literal (using this)

Use of 'prototype' vs. 'this' in JavaScript?


C# invoke cmd/bat file in the same window

Execute multiple command lines with the same process using .NET


Automatic installation Roboto font to all view (pre ICS)


There exists a continuous function $f$ such that $f(\Bbb Q) \subseteq \Bbb R\setminus\Bbb Q$ and $f(\Bbb R\setminus\Bbb Q)\subseteq\Bbb Q$

No continuous function switches $\mathbb{Q}$ and the irrationals


What is the correct way to make my PyQt application quit when killed from the console (Ctrl-C)?


How to detect my browser version and operating system using Html code?

How to detect my browser version and operating system using JavaScript?


New installation – TeX editor says: "Error: Could not start the command"


rename multiple directories by adding one character

How to mass rename files with ill-formed numbering?


Did Tarkin know Darth Vader's previous identity?


How should I track players' real-time positions in an MMO?


Handling French special character in PHP


Is there way to replace value of symbolic link?


Is there a word meaning "my child's spouse's parents"?


What does `@` represent when dealing with Windows registry keys?

Mysterious @ character in the Windows Registry


UTF-8 encoding problem upon retrieving arabic letters from database after switching from mysql to mysqli php


Is there any way to create a new line in a String that can correctly be printed in a txt file?

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


Can I use OpenGL for off-screen rendering?

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


how do i resolve this java.lang.NullPointerException?

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


How to check if any child exist in jquery

How do I check if an HTML element is empty using jQuery?


Estimating Spline curve by OLS. Is a good idea to fix the knots at Chebyshev sites?


Is it best to use a comma following an inline address?

Commas that are sentence flow-stoppers ... Can I leave them out?


How to run a server on port 80 as a normal user on Linux?


how to deal with wide range table in latex?

My table doesn't fit; what are my options?


If a probability density function has a limit at infinity, is that limit always zero?

Limit of Multivariate Probability Density Function as one or more or all variables approach positive or negative infinity


Log4net reference assembly dependency issue


Should I use a structure instead of a class to hold string only data in C#?

When should I use a struct rather than a class in C#?


How to ignore duplicates in bash history

How to avoid duplicate entries in .bash_history


angle of rotation and axis of rotation of 3x3 matrix

Axis and Angle of Rotation of 3x3 matrix


Is there a way to acces external .blend file's data with python script?


Create test class to achieve 75% code coverage needed for a Apex Trigger and Class


Is it true that, prior to puberty, boys and girls are equal in strength and athlectic ability?

Is it true that, prior to puberty, there are no physical differences at all between boys and girls (except for their private organs)


Set no wallpaper, but single color background


Why do dead batteries appear to recharge on their own after awhile?

Why do batteries recover after a load is removed?


What happened to the "You're Just Lazy" close vote reason?

Improving "demonstrate a minimal understanding" close reason


Problem internal partition macOS high sierra

OS volume shows as type 'FFFFFFFF-FFFF-FFFF-FFFF-FFFFFFFFFFFF'


Can I leave ports open on push-in type wire connectors?


How to point 2 CNAME records to same external address?

Why can't a CNAME record be used at the apex (aka root) of a domain?


Shouldn't an Area 51 account that reaches 200 rep offer an association bonus?


How to find out what package contains some Perl module

yum whatprovides 'perl(Foo::Bar)' equivalent with apt or dpkg?


Question about number of elements in $HK$ if $H$ and $K$ are finite subgroups of some group $G$

A canonical construction proving $\left|HK\right| = \left|H\right|\left|K\right| / \left|H \cap K\right|$?


Can numbers of form $n^2 + 1$ have prime factors of form $4m + 3$?

Is it possible that $n^2+1$ has some divisor of the form $4k+3$?


What is different between "M" and "A" with exposure compensation modes?

What advantages does manual mode have over aperture priority mode?


Calculate the ring of integers of quadratic number field $\mathbb{Q}(\sqrt{d})$

Why is quadratic integer ring defined in that way?


Why do two bodies of different masses fall at the same rate (in the absence of air resistance)?


How to stop being asked to unlock "Default Keyring" on logging in?


jQuery/JavaScript to replace broken images


How do I configure a new Ubuntu installation to accept ssh connections?


How can I get steam to recognize existing game files (Far Cry 3)?

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


Preventing multiple apps opening on C# (WIn8) , the mutex solution doesnt work

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


Poem that Belle reads in Beauty and the Beast

What is the name of the poem Belle reads out?


HTML files don't refresh unless they are accessed

Stop jQuery .load response from being cached


Does the 1st-level spell you can cast using the Magic Initiate feat need spell slots?

Can you cast a spell learned from the Magic Initiate feat using spell slots?


What is the caster level for the spells granted by Spell Sniper?

Do Cantrips use your character level or class level?


Individual log file per file in ruby file

How can I get the name of the command called for usage prompts in Ruby?


How to know if Google Sheets IMPORTDATA, IMPORTFEED, IMPORTHTML or IMPORTXML functions are able to get data from a resource hosted on a website?


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


Given 5 arbitrary points in the plane from which no 3 are collinear, prove that you can always choose 3 that are vertices of obtuse triangle.


not able to hear voice in YouTube videos

Not able to hear voice but can hear music in YouTube


Area 51 site stats are weirdly formatted on beta sites in new design

Missing whitespace in beta site statistics box


Problem referring figures and tables in text. Figure?

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


What is the default order of records for a SELECT statement in MySQL?


hash function notations and existing cryptographic hash algorithms

How can I instantiate a generalized hash function?


How is a lens distortion model performed?

What model does Lightroom use for lens correction?


Attempt to invoke virtual method 'android.content.pm.PackageManager android.content.Context.getPackageManager()' on a null object reference

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


System.CalloutException when doing HTTP response

how to solve callout error? You have uncommitted work pending. Please commit or rollback before calling out


[Titles] Should the most relevant tag be included in the title?

Should questions include "tags" in their titles?


Delete all command blocks without opening minecraft world

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


How does Support vector machine predict the classes for the test points?

Help me understand Support Vector Machines


Selecting all columns from row with specific max value


How to make custom shortcuts to open or create any app

Creating a .desktop file for a new application


virtualenv : installed packages are not avaliable outisde the environment

Modules between multiple versions of Python Linux


Is it possible to browse a chatroom under invisible mode?


Remove white spaces between words in a longtabu cell?


Divisibility question: If $m=a_1x+b_1y$, $n=a_2x+b_2y$ and $a_1b_2-a_2b_1=1$, then prove that $\mathrm{GCD}(m,n)=\mathrm{GCD}(x,y)$


How to force Windows to rename a file with a special character?


How do the ultra rich protect their money?

How do rich people guarantee the safety of their money, when savings exceed the FDIC limit?


BASH: arithmetic expressions on point values

How to do integer & float calculations, in bash or other languages/frameworks?


Apache 2.4 - Redirect Folder to Sub-domain

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


What is the difference between I was there, and I have been there?

Canonical Post #2: What is the perfect, and how should I use it?


Problem with a Moebius transformation from disk to itself

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


10 parameters separated by comma. How can I do it?

How to define a command that takes more than 9 arguments


How to boot Chromebook from SD card without entering developer mode?


Locating the coordinates of a element in a 2D Array


"Rate This App"-link in Google Play store app on the phone


HP bs179tx Wifi not working on Ubuntu 14.04

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


What is the difference between buying the same stock traded on two different exchanges?

For a single company listed in multiple exchanges in different countries, are the shares being offered the same?


Insert New Picklist value with record type in MetaData Service

How to Update Picklist values along with record types using metadataservice?


Why worry about the Night King if they have the wall?


How to add two strings as if they were numbers?

Adding two numbers concatenates them instead of calculating the sum


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


Iterator has .next() - is there a way to get the previous element instead of the next one?


How do I find the key that looks like ^ with _ on top of it?

What is the Mac keyboard key with a symbol ⌅ of an up arrow pointing into a horizontal line?


why my hidden div is not appearing by button click?

how to change the iframe by a buttonclick in asp.net?


What’s the difference between arbitrary and random

The use of "random" to mean "arbitrary", "unidentified", "unknown", etc


"Edit Approved" links are showing as plain text


Regular Expression to remove content before certain tag

Delete Everything(the rest of the text) after a specific string


Is there a way to add a field to the title page in beamer?

supervisor field on the page of the title with Beamer


Minecraft Version not showing in Launcher (even though i've renamed everything)

How to install mods for the new Minecraft launcher


what is the most easy to read Algebraic Geometry book?

(undergraduate) Algebraic Geometry Textbook Recommendations


i still can't connect gt-s5360 Samsung phone to windows 7 PC

Samsung Galaxy Y won't connect to the computer


Java - Cannot return generic array from method?


Story in which a man gets executed because of a bureaucratic mix-up

Short Science Fiction story, told in a series of letters


Let A be an mxn matrix of rank 1. Show that there exist non zero vectors.

A rank-one matrix is the product of two vectors


When is unbalanced data really a problem in Machine Learning?


How to get value from string javascript?

What special characters must be escaped in regular expressions?


How is t-statistic calculated for coefficients in linear regression?

Standard errors for multiple regression coefficients?


Why is the code syntax color highlight gone in the mobile view?

Code blocks are not prettified on mobile site


Windows 10 - Cannot remove one display language

How to delete a keyboard layout in Windows 10


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


Is there a feminine equivalent to the adjective "avuncular"?


How can one nested list be used to find the positions of those values in another nested list?


Merge all accounts of these Stack Exchange-registered users together (not working)

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


How do I fix unexpected inconsistency run fsck manually without prompt?

fsck error on boot: /dev/sda6: UNEXPECTED INCONSISTENCY; RUN fsck MANUALLY


How to concatenate string variables in Bash


I'm looking for a java regex that will return true if string contains any char more than 3 times

How to split a string with any whitespace chars as delimiters


Getting smoother contours using ArcScene

Exporting 2D vector graphic from ArcScene to Illustrator


How do I install transition molding between my new hardwood and existing tile floors?


Can't get Codeigniter URLs working on Nginx


Hadoop: How can i merge reducer outputs to a single file?


How to get a process uptime under different OS?


PHP/CSS Footer Won't stay at the bottom of page if there is no text on page

How do you get the footer to stay at the bottom of a Web page?


If I were to buy a game digitally on eShop for the Nintendo switch, could I play that game on another Nintendo switch?

Are my digital games safe if I lose my Nintendo Switch?


Why is there no option to insert a hyperlink in Illustrator?

is there a way to add hyperlinks in a Illustrator document?


Are there any libraries which helping work with svg in .net?


How can I batch delete events from Google Calendar?

How to delete all events on many dates all at once but not the whole Calendar in Google Calendar?


When a word has both English and 'Latin' plurals, which style should I use?


Prove that if every linear operator which commutes with $T$ is a polynomial in $T$, then $T$ admits a cyclic vector $v$ in $V$ (finite dimensional).

proof about commutative operators and T-cyclic vectors


Pipe subprocess standard output to a variable

Store output of subprocess.Popen call in a string


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


type=button and type=submit with pressing enter

Submitting a form by pressing enter without a submit button


Using Comparable interface in parent class without implement compareTo cause error in child classes but not in Parent class ¿Why?

Why an abstract class implementing an interface can miss the declaration/implementation of one of the interface's methods?


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


Is it correct to say "Data are transferred"

Should I write "all the data is correct" or "all the data are correct"?


Covering a n x n square grid with minimum squares

How can we draw $14$ squares to obtain an $8 \times 8$ table divided into $64$ unit squares?


Using an "is" check when with an explicit cast

Casting vs using the 'as' keyword in the CLR


How to install Firefox developer edition separately from Firefox stable in Ubuntu?

How do I install the Firefox Developer Edition?


what's the difference between { } and [ ] in javascript

Objects vs arrays in Javascript for key/value pairs


SQL Server group by count eliminate duplicates

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


How do you pass or share variables between django views?


Can my items be stolen if I leave them somewhere?


Exponential Form of Complex Numbers - Why e?

How to prove Euler's formula: $e^{i\varphi}=\cos(\varphi) +i\sin(\varphi)$?


Can you access an NTFS Windows portion with read write capabilities on Ubuntu?

Mount NTFS partition with write access for everyone


Redirecting of hostname to full qualified domain name with HTTPS fails

Fix missing ssl-cert for subdomain www. using redirect or similar


Bug in textarea in bounty creation popup


Why does my Samsung S7 with fixed focal length of 26mm have a wider angle of view than my 18-55mm DSLR lens?

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


"No bootable device" after installing Ubuntu in dual boot Windows 10

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


What norm of the reconstruction error is minimized by the low-rank approximation matrix obtained with PCA?


Is there a way to easily record a phone conversation in-progress?


if i run the app in ipad device i getting following error but it working in simulator


Bundle Python app without interpreter-part 2


Determining a limit of parametrized, recursively defined sequence $a_{n+1}=1+\frac{(a_n-1)^2}{17}$


Pinterest style listview or gridview in android

Android heterogeneous gridview like pinterest?


Template function overload for base class

Priority when choosing overloaded template functions in C++


Prove or disprove existence of functions $f$ and $g$ (functional equations)


How many party members can a Giant Eagle carry?

Are there any rules or rule clarifications regarding multiple characters riding a single mount?


Carrying 3 laptops (1 new and 2 old) in hand luggage to India

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


How to render an animation as video in Blender?


Getting Error: java.lang.NullPointerException when work with Array in Java

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


Evaluation of $\int_{\frac{1}{e}}^{\tan x}\frac{t}{1+t^2}dt+\int_{\frac{1}{e}}^{\cot x}\frac{1}{t(1+t^2)}dt$


Using modular arithmetic to find the remainder of $12^{157}$ when divided by $10$

Evaluate $6^{433} \pmod {21}$ and a proving question


Ubuntu doesn't ask for password after booting

How to disable automatic login in LightDM?


How to remove the default title in minipage?

How to avoid showing the filename when using graphicx?


How to loop through array one by one in php


Calling constructor functions dynamically

How to execute a JavaScript function when I have its name as a string


Bounded complex polynomials on the unit disc

If $p$ is a polynomial, then either $\,p(z)=z^n\,$ or $\,\max_{|z|=1}|p(z)|>1$.


What equipment do I need for 360° virtual tour photography?


How to create bounding boxes that are not orientated to the north?

Finding minimum-area-rectangle for given points?


Jquery button doesn't fire after added to DOM

Event binding on dynamically created elements?


Padding for table inside div with and without scrollbar

CSS table right margin in scrollable div


prove that the sequence given by recurrence converges

Compute $ \lim\limits_{n \to \infty }\sin \sin \dots\sin n$


ubuntu 18.04 how do I install drivers for my NVIDIA GeForce GTX 1050?


If I charge 3 capacitors in series, then connect themin parallel, where does the remaining energy go?

Energy dissipated when two charged capacitors are connected in parallel


Finding the left and right cosets of H = {(1), (12), (34), (12) ○ (34)} in S4


Equivalent for getobjectcontext() in visual studio 2012 vb.net?


Quantum harmonic oscillator: How can we know that the lowest eigenvalue for the operator $A^{\dagger}A$ is zero and not a positive number?

Why must the eigenvalue of the number operator be an integer?


what is difference between Java Method And Native Method?


GDAL - How to use a for loop correctly (OS Windows)?

Convert batch file using GDAL_Translate.


keeping track of the original indices of an array after sorting in C


read only access to all files in a specific sub-folder


Data structure alignment: why are array of char and std::string different

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


Is it possible to let text continue over an image?


Two layers with same projection do not overlap

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


Are stationary flying creatures considered "hovering" so that they do not fall when prone or incapacitated, etc?

Can flying creatures choose to hover, even if they don't have hover in their flying speed?


I forgot my ubuntu autheticate password!

How do I reset a lost administrative password?


undefined control sequence for \subfigure


Prove that $E(X^n)^{1/n}$ is non-decreasing for non-negative random variables


How to assign a domain name to node.js server?

Pointing a domain to my remote Node JS application?


at com.bumptech.glide.util.Preconditions.checkNotNull , the virtual phone crashes. How to solve this?

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


Why are the right halves kept unchanged in Feistel networks?

In a Feistel cipher structure, what exactly does the "round function $F$" do?


oncomplete="PF('dlg').hide();" causes "PF cannot be found" error


Can we post two answers(same user) in same question?

Can a single user post two answers for one question?


How do I customize the context menu in Nautilus?


How can I find $\int \dfrac{ dx}{1+x^4}$

How can I compute the integral $\int_{0}^{\infty} \frac{dt}{1+t^4}$?


Can I build a transistor through two diodes?

Why can't two series-connected diodes act as a BJT?


Multi-labeling with multiple colours in QGIS


When my biggest fear is a Boggart, would I see its natural form?

What shape would a boggart take if a person doesn't fear anything?


How to run 32-bit IE 11 browser on Windows 8.1 64 bit


Is there anyway of changing legacy boot to UEFI boot without destroying whole partition?

How can I migrate a Windows 10 from BIOS/MBR boot to UEFI/GPT without reinstalling?


Need to prove that $(S,\cdot)$ defined by the binary operation $a\cdot b = a+b+ab$ is an abelian group on $S = \Bbb R \setminus \{-1\}$.


how can I create something exactly like this in modernCv?

How can I create this pattern in moderncv classic


how to get "foo" from URL: http://www.loremipsum.com/mysite.html#foo

How can you check for a #hash in a URL using JavaScript?


How to remove items from Places sidebar in Nautilus 3.6?

How do I remove 'Places' entries from the Nautilus sidebar?


Strange behaviour of remote objects feature on different orgs


Book about colonists on a new planet where it rains acid

Book with a plant that released its seeds every couple of years that corrode everything they touch


Is finding a three way hash collision infeasible

Can the birthday attack be extended in this case?


App crashes when running, Models list added all the objects and ViewPager adapter seems fine

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


Understanding bitwise operator with int list


switch phone to data when wifi signal is weak

How to set signal strength threshold for switching WiFi on and off?


Existence of limit of the sequence $x_n=\sqrt{n^2+1}-n$


My Mac is getting really slow, what should I do?


I want to print array rows but with this code I just print last row

List of lists changes reflected across sublists unexpectedly


How to disable new paragraph at empty line?


Inserting a unix timestamp into MySQL from Python

Inserting a Python datetime.datetime object into MySQL


Changing permissions in fstab in order to allow writing in Windows NTFS partition


Why does the Cauchy distribution have no mean?


Why "milk and sugar", but rarely "sugar and milk"?

"pros and cons", "black and white", "ups and downs". Always in a fixed sequence, is there a word or phrase for these?


Event binding on dynamically created elements?


how to understand "" in crudini --set $CONFIG_FILE $1 $2 "$3"


Unable to log in to Pokemon GO through mobile data but WiFi works

Why can't I connect to Pokemon Go via mobile data?


What can cause a very low frequency sound from a laptop?


DISK IS LIKELY TO FAIL SOON - failing now


Renewing a still valid Canadian Visitor Visa

Can I travel to Canada with valid visa on old/expired passport?


Ubuntu 16.04 regular crash, Compiz segfault, error 4 in i965_dri.so, Fresh install

GUI/Unity crashing in 16.04 LTS after updates 2018-01-04, compiz segfaults


why the CCameraDS class can not open more than 3 cameras in the same time?


How to inherit from templated class when the constructor requires the templated parameter?

Why can templates only be implemented in the header file?


Why dont i have a .minecraft folder on my windows 10 laptop?

Where does Minecraft for Windows 10 store its data?


The likelihood function: Why is it no pdf?

What is the difference between "likelihood" and "probability"?


Java RoundingMode HALF_UP doesn't round up as expected


Implementing an action and Item listener together

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


Hi I'm getting an error when I type this:


Why Wi-Fi is getting turned-on automatically in iOS 11

Wifi Automatically Turning ON after iOS 11 Update


How to detect reliably Mac OS X, iOS, Linux, Windows in C preprocessor?

How do I check OS with a preprocessor directive?


When using PWM, what is the purpose of having two complimentary square waves on the same channel?

PWM complementary square output waveforms


How can I access my files when I'm not logged in with my admin account (i.e. as a guest)?

How do I reset a lost administrative password?


Laptop charger leaks AC while giving DC voltage at the same time. How?


How to disable SQL injection possibility in a simple form?


How to set watermark width and height same as video width and height using ffmpeg?

How to get width of the video and scale another video to that width using ffmpeg?


Find $\cos(\alpha+\beta)$ if $\alpha$, $\beta$ are the roots of the equation $a\cos x+b\sin x=c$

Cosine of the sum of two solutions of trigonometric equation $a\cos \theta + b\sin \theta = c$


How do I install applications in Ubuntu?


CSS: Vertical align a image inside a div

How to vertically align elements in a div?


Does TexShop have "realtime" pdf previewing?

How well does Flashmode work with MacTeX-2018?


Is there a way to cd back multiple times in bash?


I forgot my sudo password and I need to change it with the terminal


How to formally greet someone in an email that I am pleased to getting to know?

Is “nice to meet you” an appropriate online salutation?


ERROR 1045 (28000) on mysql-server installation


Can I report my math GPA instead of major (CS and math) GPA when applying to graduate school?

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


Will my iPhone show me the date stamp of a photo?

Is there a way to see the time that a photo was taken on the iPhone?


Append letter before previous name in folder. (Rename)

How do I easily rename multiple files using command line?


Definite integration integration by parts

What is $\int_0^1\frac{x^7-1}{\log(x)}\mathrm dx$?


How to read date as string from excel in c#?


C# check if list contains a certain string (on object.Titel) but ignores the casing of the letters?


Randomly take $51$ numbers from the set 1, 2, ..., 159. Find variance of their sum.

Variance of sum of $k$ randomly drawn numbers from $1,...,n$.


how to restore windows 7 to a know working state every time it boots


How to retrieve GET parameters from JavaScript

How can I get query string values in JavaScript?


Norm of functional associated to vector $p$-norm

Proving that the dual of the $\mathcal{l}_p$ norm is the $\mathcal{l}_q$ norm.


Laravel 4 AUTH via AJAX, possible session issue

laravel 4 persisting data ongoing - jquery ajax submit


Rerendering lightning:recordViewForm OR single component

How to refresh the specific Lightning component not the lightning page


How do I check whether a package from multiverse is installed?

Find what packages are installed from a repository


$gh = hg, \ \gcd(|g|, |h|) = 1\Rightarrow|gh| = |g||h|\ \ (|a|$ = order of element $a)$


How Do I load data from a CSV file to a table using java?

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


How to set order of cipher suites for Jetty SSL?

How to specify server-preferred order of SSL cipher suites for Java?


A person contracts a biological pathogen that is collectively intelligent, forming a symbiosis


How to use an unsupported AMD graphic card?

Ubuntu 14.04.5/16.04 and newer on AMD graphics


Why do burgers sometimes fall apart on the grill?


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


How to pass a value from one viewcontroller to another UIObject


Git Alias for creating branch names faster


IOS Mobile Application is possible to develop in Windows 7?

How can I develop for iPhone using a Windows development machine?


Counter with 4 flip flops jk synchronous from 3 to 13!


what is meant by normalization in huge pointers


interaction of mathematical structures (rephrased)

interaction between mathematical structures


Calculating $\lim_{n \to \infty}\left(\frac{1^n +2^n +3^n + \cdots + n^n}{n^n}\right)$

How to evaluate $ \lim \limits_{n\to \infty} \sum \limits_ {k=1}^n \frac{k^n}{n^n}$?


is it a safe code from mysql injections?some suggestions please


how to always set my footer in the bottom is it possible with css only

How do you get the footer to stay at the bottom of a Web page?


Bonferroni adjustment in SPSS - what does it do?


Ubuntu install option "Install alongside Windows 7" is missing

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


How to change hostname on Linux and make it appear on a network?

How to make a machine accessible from the LAN using its hostname


Infinite product $\prod\limits_{n=1}^{\infty} (1-a_{n}) = 0$ implies divergence of $\sum_{n=1}^{\infty} a_{n}$ or not?


Ampersand (parent selector) inside nested selectors

Modifying the middle of a selector in Sass (adding/removing classes, etc.)


ASP.NET Response.Redirect to open a new browser window?


Why the compiler won't automatically assume seemingly float const value to float

Why floating point value such as 3.14 are considered as double by default in MSVC?


Is there an elevator pitch for the SE Network?

Explaining Stack Exchange to non-programmers


How to count rows from MySQL with PDP PDO Prepared statement


Ubuntu 16.04 very slow to boot on my computer.

What are the differences between 32-bit and 64-bit, and which should I choose?


I just posted on a closed question on the iOS app


MySQL PHP - UTF8 data is inserted codified


What can be done with a question & bounty where single answer is already part of the question?

My bountied question is likely not to have a answer that works. But there is an upvoted answer that doesn't actually answer the question


Why my SSD is showing different amount of space in different apps?

Why is my storage partition xxGB, when Disk Utility, and Gparted say otherwise?


A book using advanced science to act as magic

Post-apocalyptic book where people can enhance or alter their appearance with animal qualities


Doesn't symmetry and transitivity imply reflexitivity?

Why isn't reflexivity redundant in the definition of equivalence relation?


Complete negation or partial? "I don't think anybody X"

Do the following negations mean the same thing?


Is it possible to find (the undeleted) posts of a deleted user?

What EXACTLY happens when I ask to delete my account?