How to convert a random number to its corresponding letter?

How to get the ASCII value of a character


Firefly has its own gravitational field?


It's possible add more istructions to a conditional statement

Using the ternary operator for multiple operations


How do I immediately execute an anonymous function in PHP?


Failed installation of Virtualbox 5.1 on Ubuntu 16.04

VirtualBox not starting after kernel upgrade


What is delaying the rollout of the new top bar to other Stack Exchange sites?

New top bar is coming to the Stack Exchange network


Is it possible to register multiple listeners to a child process's stdout data event?

Node.js Piping the same readable stream into multiple (writable) targets


How to know the meaning of EntityProperty of an Entity

How to know the meaning of a `EntityProperty`


Ethernet does not work after clean install of 20.04.1 LTS

Intel I217LM ethernet controller not detected by Ubuntu 12.04LTS


apply gdal to calculate raster that is already in qgis raster calculator

Qgis raster calculator not giving output


Can I add a second 4GB DDR3 RAM on my laptop?

Manufacturer states that RAM is DDR3L but Windows and Linux apps and commands states DDR3


Replace into equivalent for postgresql and then autoincrementing an int

Insert, on duplicate update in PostgreSQL?


Why do I receive unhelpful results for subtractions?

Why do I see a double variable initialized to some value like 21.4 as 21.399999618530273?


Image inside div has extra space below the image


Peculiar behavior of margin css property

Why does this CSS margin-top style not work?


Passing struct pointer vs passing struct

Are there any downsides to passing structs by value in C, rather than passing a pointer?


Saw a website scraping contents of SharePoint Stack Exchange

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


"which usually is the case for ..." or "which is usually the case for ..."


Rigorous Mathematical Proof of the Uncertainty Principle from First Principles

Heisenberg Uncertainty Principle scientific proof


How prove that $\sum_{n=1}^{\infty}\frac{\pi{(n)}}{n^2}<\infty$ for some bijective $\pi(n)$

Does there exist a bijective $f:\mathbb{N} \to \mathbb{N}$ such that $\sum f(n)/n^2$ converges?


Use the std::find() to search a vector of user defined structures


Fantasy novel with a giant living city made of purple crystals that the protagonist can communicate with

Sci-Fi novel that involves mind backups and (small) group minds


Detecting css3 transitions with javascript


Question on proving that $a \vert c$ if $ gcd(a,b)=1$ and $a \vert bc$

If $\gcd(a,b)= 1$ and $a$ divides $bc$ then $a$ divides $c\ $ [Euclid's Lemma]


Can we extract data of contacts that entered a journey and are not a part of email activity in Journey builder


question about when we use a and when we use an


Travelling to Iran with two passports, including one US passport

I have two passports/nationalities. How do I use them when I travel?


How can I ask a user for 4 numbers and print them out sorted (ascending / descending)?


What are the best ways to learn Salesforce?

Where To start Learning With Salesforce Development


Fastest way to shred large xml data into a table

How can I shred this Extended Events XML as fast as possible?


Getting a roll-your-own patch for std::to_string() to work properly with doubles on an old compiler

Why can templates only be implemented in the header file?


How can my Java code read OS environment variables?

Can we read the OS environment variables in Java?


How can I stop setInterval on another button click?


Is it necessary, or even good practice, to create properties for all iVars?

Is there any reason to declare ivars if you're using properties exclusively in Objective-C?


Combinatorial proof of summation of $\sum\limits_{k = 0}^n {n \choose k}^2= {2n \choose n}$


Should an adverb go before or after a verb?


Can This Matrix Proof Be Done Without the Definition?

Proving Distributivity of Matrix Multiplication


Controlling the evaluation of other arguments in pure functions


Remove write protection from files on a different partition

How would I use Takeown to take ownership of all folders on one drive?


Using if statement with ArcPy and GetCount?


How to tell what part of a texture on a 3d cube was touched


how do i put address between author's name and abstract in amsart?

How to position the paper's authors' addresses on the front page (maketitle)?


Is it practical to upgrade your Town Hall before you have everything upgraded to the max?


Getting Class object from its string name in C#

Getting a System.Type from type's partial name


How does Fermat's principle of least time come from this statement?

How is Fermat's least time principle proven?


files list file for package 'libvo-aacenc0:amd64' is missing final newline


AES_256_ENCRYPT_CTR(key, sha-1(plainText)+plainText) VS AES-GCM, which is more secure?

Why is plain-hash-then-encrypt not a secure MAC?


Why aren't the V-Bucks I bought on PlayStation showing on Fortnite?

Do Fortnite V-Bucks Purchases Save on All Platforms?


NullPointer Exception on checking size of List

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


If someone is using poor coding technique, should you point that out?


Bounding $|f'|$ given a bound for $|f|$ and $|f''|$.

Inequality involving the sup of a function and its first and second derivatives


How can I get phone serial number (IMEI)

How to get the device's IMEI/ESN programmatically in android?


WhatId Is Not Available For Sending Emails To UserIds


Are there any rules for genitive case not indicating possesion?


Add the ability to cite questions and answers on all Stack Exchange sites


How to check whether dynamically attached event listener exists or not?


Finding All Integers in such that $\phi(n)=80$

How to solve the equation $\phi(n) = k$?


Book recommendation reqd - A book that teaches both, fundamentals of statistics and the related mathematical concepts, in a comprehensively

Good resources (online or book) on the mathematical foundations of statistics


My last name is not the same on ticket as on passport; rest of details are same


Would it be good if we combine all these [home, questions, unanswered] question page?


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


Giving an example of a space with some homology groups

Space $X$ such that $H_i(X,\mathbb{Z})\neq 0$ but $H_i(X,\mathbb{Z}_3)= 0$


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


Can I use my valid Schengen visa in old passport after i have new passport with new name?

Can I use the valid Schengen visa in old passport?


Is the Airbnb booking valid as proof of stay?

Germany Schengen visa with AirBnB booking


What happens to Jen when she jumps off the cliff?


Can one find the beat of a tune with Fourier analysis?


How can I pass a class member function as a callback?


Showing that $\gamma = -\int_0^{\infty} e^{-t} \log t \,dt$, where $\gamma$ is the Euler-Mascheroni constant.


How can I get the newer version of android?


initramfs - Unable to find a medium containing a live file system

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


Create instance of generic type in Java?


Is there something like Scheme's "exact division" in Java?

Is there a commonly used rational numbers library in Java?


Java: Why do you need to specify an 'f' in a float literal?


How to list RPM packages installed in order of installation date

CentOS: List the installed RPMs by date of installation/update?


Ignoring non-serializable objects in XamlWriter.Save

C# Attribute XmlIgnore and XamlWriter class - XmlIgnore not working


"Unable to create/update fields: Address" - but permissions look fine


I can't get images to show up in Eclipse


When do you use Java's @Override annotation and why?


MacBook Pro 2020 +eGPU +RX5700xt +Cycles Problem

eGPU Vega 56 (Blackmagic) Mac + cycles problem


Click handling function is not initiated

Event binding on dynamically created elements?


How to use a Butterworth bandpass filter to generate a chirped signal


What are the properties of dragon bones?


node_save() not working with LANGUAGE_NONE

create multilingual node programmatically


I need help to find a word that's too long to describe in a title

Single word for "going along with the crowd"


Python new list not created upon object creation


How to remove duplicates from ArrayList of type Object?


Why did the big bang explode if there is no oxygen in space?


Kernel requires an x86-64 CPU, but only detected an i686 CPU. How can I install Lubuntu/Ubuntu?


Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException When sliding a JPanel

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


Return a value from AsyncTask in Android

How to get the result of OnPostExecute() to main activity because AsyncTask is a separate class?


Profile picture not always loading from gravatar

Why is SE suddenly using "identicon" instead of "gravatar"?


Bound for the cardinality of a minimal generating set of a finite group

Why is the minimum size of a generating set for a finite group at most $\log_2 n$?


Remove button is not working when dynamic add fields

Event binding on dynamically created elements?


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


How to apply a sentence with the typeface of "Times New Roman"

How do I use a particular font for a small section of text in my document?


How to Truncate the Decimal Places without Rounding Up?

Truncate (not round) decimal places in SQL Server


Windows 10 hangs on logo sometimes with no spinning dots

Windows 10 occasional stuck at boot BEFORE spinning dots


Reset profile settings while keeping history, bookmarks, cookies, etc

A profile makes mozilla firefox killed. How to repair?


How should I structure my python project to resolve an import error?

What is the best project structure for a Python application?


How to nail focus for DSLR astrophotography?


How to install a QGIS plugin when offline?


How do I actually disable Wi-Fi or Bluetooth in iOS 11 Control Center?

Wifi Automatically Turning ON after iOS 11 Update


TikZ: Node fill which is opaque to entities in tikzpicture but transparent to background color/image?


Can I bind a command to a key in Minecraft?


Will undeleting my question cause it to appear in "newest questions"?


Has the Stack Exchange buying option been closed?

Is Stack Exchange / Stack Overflow available for private or internal use?


How to debug "contrasts can be applied only to factors with 2 or more levels" error?


$\sum_{n=1}^\infty \ln\left(\frac{n}{n+1}\right)$ convergence or divergence


Proving $\mathbb{N} \times \mathbb{N}$ is countable without theorem of arithmetic.

Does anyone know a closed-form expression for a bijection between $\mathbb{N}^k$ and $\mathbb{N}$?


Can a single PS Plus subscription be used on two different profiles on the same PS4?

Can one PlayStation Plus subscription be shared between multiple PSN accounts on the same machine?


iPhone API get local device phone number

Getting the local iPhone number through SDK


Unmet Dependencies for zsnes (works on one computer but not my other)

How do I restore the default repositories?


Texas Holdem: How to Score this Hand - Single Pair, 3 kickers

texas holdem regarding a pair K8 vs K9 and A comes on the river


Android Studio lists device as "???????????????? [null]"

How to configure ADB access for Android devices?


Need to hide element only if it's already showing

How do I detect a click outside an element?


Generating i.i.d samples in MATLAB: large p-values

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


Why is my reputation tab points higher than achievements drop-down in the top right corner?

Rep in User Dropdown doesn't match rep in User Profile sometimes


IBOutletCollection - how is ordering applied to the array?

Is IBOutletCollection guaranteed to be of correct order?


Who is this figure in Batman V Superman Dawn of Justice

What and with what was Luthor doing in the ship at the end of the movie?


kernel_task consumes 500% CPU on AC power, sometimes

How to find cause of high kernel_task cpu usage?


$P(x)$ is a polynomial with leading coefficient $1$ and degree 2009 such that $P(0)=2008,~P(1)=2007,\cdots,P(2008)=0$

Let $P(x)$ be a polynolmial with degree $2009$ and leading coefficient unity such that $P(0)=2008,P(1)=2007,P(2)=2006,\ldots,P(2008)=0$,


Where to place my local website starting with the 2.4.7 version of apache2?


What is the default lifetime of a session?


Why is it not recommended to shut down a computer "brutally" (power switch)?

What damage will powering down instead of shutting down do?


MongoDB query check if value in array property

Find document with array that contains a specific value


Print stacktrace without throwing exception

print python stack trace without exception being raised


Do I have to install a monitor driver to access full display modes of a monitor

Is maximum resolution supported by the computer = maximum resolution visible in Graphic Settings?


What are the different meanings of "hey yourself"?

Is it appropriate to use "Hey yourself"?


The Element is not Attached to the DOM error is displayed when I try to get the text from a list of Web elements after applying a filter

"Element is no longer attached to the DOM” StaleElementReferenceException when selecting HTML table row


Convergence of rearranged infinite series


Is there a physical system whose phase space is the torus?


Shortcuts using double quotes in combination with mathspec


Find the limit $\lim_{n\to \infty} \sqrt[3]{n^3+n^2}-\sqrt[3]{n^3+1}$


Can I still publish a paper in a journal after it has already been assigned a DOI through Zenodo or ResearchGate?

Does an unpublished document you upload to ResearchGate count as prior publication when submitting to a journal?


Need to generate random number using Mat.random and use the number to find factorial using threads in Java

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


Force drop db while others may be connected


Dual monitors not working with an Nvidia card


jQuery bind multiple .keydown events to one case

Switch statement multiple cases in JavaScript


Will a Dell Inspiron 1545 model be able to run Ubuntu 20.04 successfully purely for self hosted cloud storage?


Frequency and Wavelength peak for Wien's displaement law of a blackbody


Table immediately preceded by a bolded line does not render

Markdown table preview does not detect missing blank line before table header


How to use the default fonts adopted by `\documentclass{standalone}` in `\documentclass[beamer]{standalone}`?

How do I set the default beamer font to Computer Modern serif?


Are there (or could there be) electrically charged particles that move at the speed $c$?


How can I toggle display of individual items in a Show list?


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


AngularJS : controller fails when minified

AngularJS : minification issue in directive


Pointer type casting from unit8_t buffer to structure


Do I need to perform my next hack within 24 hours of the current one in order to keep Sojourner alive?

What is the logic behind the timer of the Sojourner Badge?


java socket programming - java.lang.nullpointerException

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


Converting field to string with leading zeroes using Python Parser of ArcGIS Field Calculator?


OLS in R with linear inequality constraints on coefficients


Is Waterdeep faction membership mutually exclusive?

Is it possible to join multiple factions in 5e?


How to set up a fallback error page in nginx?


Why can't I delete certain content types?


Will Lion X be downloadable for everyone?

How do people who recently bought a Macbook Pro get the free upgrade to Lion?


Show that $A_n=\sum\limits_{k=1}^n \sin k $ is bounded?


Difference between "void main" and "int main


Let it be more clear for new users that their questions can be edited anytime


PostgresSql error: more than one row returned by a subquery used as an expression

Insert into ... values ( SELECT ... FROM ... )


Identifying a thin, black, worm-like creature with a hammer-shaped head


How to find this integral $\int_{0}^{\infty}\dfrac{f(x)}{g(x)}dx$


Why the manipulator is not in the center


Hill cipher. Any way around the not invertible matrices


Core functions or operations that every aspiring Mathematica programmer should know?

What are the most common pitfalls awaiting new users?


.bashrc and .bash_profile not created with adduser but created with useradd

At what point is the ~/.bashrc file created?


StackExchange drop down hiding chat, blog and log out, concerns


reversing a string starting and end bounds


Fantasy book series with non-human races and labyrinth


How can I install the Google Apps Package (Play Store, ...) on my Android device?


Here is our students/Here are our students


App is crashing , Null pointer exception . List view is giving the null exception

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


Give moderators a way to exceptionally prevent comments on a post


Go through every possible combination of an array python

How to generate all permutations of a list?


Is it possible to cite from an abstract in a scientific paper

Can you cite articles if you only read the abstract?


Proving a property with the Euclidean division properties

What is $\,a\bmod 63\,$ if $\,a\,$ is both a square and a cube?


How to debug a Custom Timer Job in SharePoint 2010?


SQL Query creating copy of old SQL entry with two values changed


both asterisk and ampersand in a parameter c++


Sum by condition in two columns data frame R


what could cause a script to fail to find python when it has `#!/usr/bin/env python` in the first line?


Finding and deleting duplicate records in attribute table in QGIS

Python script for identifying duplicate records (follow up)


Simple boolean expression parser in Spirit

Boolean expression (grammar) parser in c++


Android program crashing with Null Pointer exception

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


Place figure just as you would a glyph/character

How to insert an image inside a paragraph?


What is the optimal length for an email address in a database?


Way to get elementaryOS's picture-in-picture on Ubuntu

Can I have a window showing small live preview of another workspace?


If you fall for a long enough period of time, would you eventually hit or break the speed of light?


Why does plain RSA not work with big messages ($m>n$)?


How can I get things back after git reset --hard

Undo git reset --hard with uncommitted files in the staging area


Is my array empty? And if so, why? error "java.lang.NullPointerException"


Can you share with me about features of java 7 comparing to previous versions?


Cant remove Windows 10 additional languages

How to delete a keyboard layout in Windows 10


.post() return ID not being affected by pages Jquery

Event binding on dynamically created elements?


Returning tokens for the 10 token limit: which ones?


If steady current flows in a metallic conductor of non uniform cross section area then why is current constant?

Why does current density changes but not current?


Add an existing WebPart Using the Sharepoint client object Model

Cannot add custom web part to page using the JS OM


Using newcommand to produce (simple) newcommands

How can I combine two text strings to represent the name of a command?


Is Wolfram Cloud going to support GPU training?

Training Neural Networks on Cloud GPUs (Wolfram Cloud / AWS / Paperspace /etc)


what mean the symbol *ab in a parameters in python

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


How to convert items from earlier editions to 5th edition?

Are there (additional) guidelines for converting older editions' equipment to 5e?


Problem with sudo apt update in Ubuntu 18.04: Post-Invoke-Success if /usr/bin/test -w /var/lib/command-not-found/


Looking for a book about a crystal like prison planet


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


How is energy transferred among particles of a body when we give some kinetic energy to it?


What is the meaning of "duh" in this sentence?

Is Valley Girl speak "like", entering the language?


Windows 10, Blender cannot open write save on C:

Cannot save blend files - permission denied


Automatically stretch table to evenly fill horizontal space?


Add anchors to the how-to-ask and how-to-answer pages


Using my constructor of an object that contains another class as an attribute

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


Using Workflow or Windows Service for Sync. operation

When to use Windows Workflow Foundation?


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


Why are all the textures in my file pink?


vertical alignment in tabularx environment

Different vertical alignment of text in 4-column table (tabularx)


Deduce that $\mathbb Q^n$ is countable for any integer $n \in \mathbb N$


Remove html tags from string using jquery


I'm trying to print an array of linked list in java, but I get a "NullPointerException" error


How to run another application from current application?

Using Intent in an Android application to show another activity


Physical Interpretation of Kolmogorov 5/3 law

Physical Explanation for "Kolmogorov -5/3 spectrum" in Fluid Mechanics


Draw a cyclical graph with nicely aligned edges using nodes in tikz


How to show that $\Bbb Z[x,y,z,w]/(xw-zy)$ is not a UFD

Prove that $k[x,y,z,w]/(xy-zw)$, the coordinate ring of $V(xy-zw) \subset \mathbb{A}^4$, is not a unique factorization domain


Hardware reserved memory 8.1GB AMD - MSI - Windows 10

8 GB RAM installed, only 7.5 GB usable. Windows 7 64-bit


Greece salad dressing stay good in the fridge?

How long will homemade salad dressing stay good in the fridge?


Can pgfplots perform nonlinear regression?


Is there any way to set a MacBook Pro to not sleep when you close the lid?


How can only content be translated, not admin pages

Translate the frontend part of the site only


How can I define a chapter into this document? (article)

Undefined control sequence and \chapter error


What are the strategies I can use to prove $f^{-1}(S \cap T) = f^{-1}(S) \cap f^{-1}(T)$?


How to validate phone numbers using regex


Can't connect to WebService android.os.NetworkOnMainThreadException

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


How to maintain the value of a variable after switching view controllers?


nvarchar(max) versus nvarchar(n) in table variable columns

Are there any disadvantages to always using nvarchar(MAX)?


How to manage AndroidMenifest xml in Android

Activity that is only launched once after a new install?


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


How can I count text lines inside an DOM element? Can I?


Generating spherical world from heightmapped terrain


Scaling has no effect in Blender Game Engine


Why can't evince open this pdf issued by my bank while adobe pdf reader can?

How to open a PDF form file that says Please wait...?


Sending simple message body + file attachment using Linux Mailx

How to attach a file using mail command on Linux?


Using pyleus: NoClassDefFoundError: backtype/storm/topology/IRichBolt

Why am I getting a NoClassDefFoundError in Java?


large integers change their value after applying operation


Why are my class's variables not unique for each object?

What is the difference between class and instance attributes?


Lightning Web Components - Are there analogues to Angular Expressions?

Expression Functions for Lightning Web Components


TikZ PGF - Shift scopes bounding box to origin


Title of space opera novel where they implant a parasite on people who have died

War with remotely piloted micro-machines


Why is the statement "all vector space have a basis" is equivalent to the axiom of choice?


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


Appropriate Statistical test for Analysis


Machine Learning VS Statistical Learning vs Statistics

The Two Cultures: statistics vs. machine learning?


UniquedID of Android Device (not for tracking installations)


What is the cast time of a metamagic'd swift action spell for a spontaneous caster?

What is the time increase for metamagic feats when used on a swift spell for Spontaneous casters?


How to fix the number of characters to be entered in a jtextfield

Limiting Length of Input in JTextField is not working


Windows 10 randomly kicks out my GRUB, how do I reinstall it?

Windows 8 removes Grub as default boot manager


Struct and object oriented in JavaScript

What techniques can be used to define a class in JavaScript, and what are their trade-offs?


Get all unique values in a JavaScript array (remove duplicates)


How secure is the chromium browser compared to chrome?

What's the difference between Google Chrome and/or Chromium? What are the advantages/disadvantages to each?


Best option for storing Images in mysql DB for android app?


Pdo parameter error in prepared statement

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


How do I create Fortify Alchemy enchantments up to 29%?


When does $\sqrt{a b} = \sqrt{a} \sqrt{b}$?


Find one example : Bijection from $ P=\{A|A\subset N\}, \Omega=\{|x_n \in\{0,1\}\} $

Show that $P(\mathbb{N})$ is equivalent to $2^\mathbb{N}$


Event binding on dynamically created elements?


.swp file size increasing automatically, why?


SEDE logs me out more often than it used to do


Mismatch between the top users in the Stack Exchange league and period wise report pages


JavaFX TreeTableView with two columns throws Exception in Application start method

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


Unable to load 3rd party library in LWC (Mapbox)

Which external Javascript libraries work with Lightning Locker Service?


How to abbreviate "\begin{frame}", "\end{frame}", and "\frametitle"?


Line breaks when using tikz package {er,positioning} in simple entity-relationship diagram

Manual/automatic line breaks and text alignment in TikZ nodes


Is it Possible to Sacrifice a Sacrificed Creature?

Can I pay two different costs with the same payment?


Run multiple commands at once with a single input

How do I create a script file for terminal commands?


Invalid attempt to read when no data is present


17.1 with Gnome is really really slow and hangs all the time

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


Removing Kubuntu from External Drive and Reformating


Axiom of Choice : Is it Axiom? or Trivial Fact?

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


Statistical information regarding scaling ElasticSearch

Can you help me with my capacity planning?


If fish gills do not split H2O into H2 and O, and just take the dissolved oxygen what is left leaving the gills?

Do fish break a water molecule to absorb oxygen?


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


How can one remove a range of lines for every group of n lines?

How to print lines number 15 and 25 out of each 50 lines?


Problem installing VLC on 12.04 - broken dependencies


alignment problem with bold (negative) numbers

Decimals in table don't align with dcolumn when bolded


If two cosets are equal how can we conclude this

Is it true that $aH = bH$ iff $ab^{-1} \in H$


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


ubuntu 18.04.3 mini ISO offline installation

Why is there no 32 bit ISO for the new Ubuntu 18.04?


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


Does python support multiprocessor/multicore programming?


com.android.volley.VolleyError:java.lang.NullPointerException:Attempt to invoke virtual method 'in java.lang.String.length()' on object reference


Convert string representing key-value pairs to Map


Lenovo Ideapad 720S can't resume from suspend on 18.04

How can I figure out why Suspend sometimes fails?


Is the word "empty" in set theory different from the word "empty" in ordinary language?


Extracting Marginal Distribution by Monte Carlo

Obtain marginal CDF from joint CDF by simulation


4 year old domain doesn't show up in google search results

Why aren't search engines indexing my content?


What's the difference between manga, manhwa, and manhua?


Check proof that if $a_{n+1} = \frac{1}{k}(a_n+\frac{k}{a_n})$ with $k>1$ and $a_1>0$, then $a_n\to\sqrt {\frac{k}{k-1}}$

Convergence of recursive sequence $a_{n+1} =\frac{ 1}{k} \left(a_{n} + \frac{k}{a_{n}}\right)$


Enable or disable the next button based on a live text control value in Wix?

WIX UI - Creating a "passwords don't match" label


How to execute a command in multiple Terminals by executing a command in only one?

Is there an SSH client which duplicates commands to multiple terminals?


Why anova table disappear when we use robust regression

Why anova disappear in robust regression


Convergence of $\sum_{n=1}^{\infty} n$ and integral test


Inquiry re ETA visa to Australia without reference number. Is my visa valid?

How do I know if my Australian ETA was approved?


std::ostream_iterator prevent last item from using the delimiter

How can I print a list of elements separated by commas?


Cloning hard disk partition to smaller SSD on laptop


How to escape text for regular expression in Java


Keeping tables/figures close to where they are mentioned


characteristic function of stable symmetric distribution

For symmetric stable distributions, why is $\alpha \le 2$?


Unable to install any updates through update manager/apt-get upgrade


How to see that this is uniformly distributed on the unit sphere?

Uniform distribution on the surface of unit sphere


Why am I continously banned from posting answers on Stack Overflow?

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


Unable to access Ubuntu.css in Gedit via command line

Saving a file in gedit prints a warning in terminal


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


Still asks for Username and Password after SSH Keys set


How to block command prompt from showing my password while I'm inputting it to my java program

Masking password input from the console : Java


Prove that $\alpha$ is constant on the interval $[0,1]$.


How to add a list of images to the document from an array of URLs?


Is deleting the yosemite install partition safe?

Can I downgrade to Mavericks after installing Yosemite (beta/developer preview)?


Diffeomorphisms act transitively on a connected, smooth manifold

Proving that given any two points in a connected manifold, there exists a diffeomorphism taking one to the other


Prove $x^n-1$ is divisible by $x-1$ by induction


mysql_num_rows() expects parameter 1 to be resource, boolean given in

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


What are the Nvidia open source graphics drivers?

Where are the proprietary NVIDIA drivers in 16.04?


Some areas of the mesh are dark (Shadow artefacts)


Custom template argument binder to use with with template template class

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


How to show the solution for $\dot{x}(t)=-cx^2(t)+\frac{x^2(t)}{1+x^2(t)}$ is bounded?

How to show the maximal interval for $\dot{x}(t)=-cx^2(t)+\frac{x^2(t)}{1+x^2(t)}$ is $[0,\infty)$?


Is there any way to define custom hotkeys for "deep" options, in system preferences > keyboard > shortcut?

Set keyboard shortcut for nested menu selection


Broken apt, can't update libglvnd due to unmet dependencies (Nvidia)

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


Unable to use Stack Overflow chat despite having enough reputation

How long does it take for chat profiles to update?


Divisor of $2^{2^n} + 1$ modulus $2^{n+1}$


Customizing the output of Compass sprites


How would I convert a picture of a slanted surface into a straight one?

How to unproject quadrilateral into rectangle?


Confusion about scissors being a plural word

Why does it have to be 'scissors' and not just 'scissor'?


How to tell the heat, or at least fan speed, of a machine


Is it possible to create a cartoon mouth using Bezier curve?


java.lang.NullPointerException - App keeps crashing

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


Where the C macros stored in memory and how does it consumes more memory compared to functions?


Google Struct Data test Tool error:: Missing '}' or object member name

Structured Data Testing Tool throwing error "Missing '}' or object member name."


Disable or uninstall side bar on android


Illustrator - Recolor text with 2 different colors

How to quickly change multiple colors in the same text area?


Concatenate a single column into a comma delimited list

How to concatenate text from multiple rows into a single text string in SQL server?


Need help finding the flaw to the proof that $(a+b)\mathrm {mod} m = a\mathrm {mod} m + b \mathrm {mod} m $

How Can I prove (a+b) mod m = (a mod m) + (b mod m)) mod m?


I am getting a NullPointerException when i run this code


How to convert raster to polyline in QGIS?


Comments disappeared from Google Spreadsheet cell

Google spreadsheet sorting messes up cell comments


Find all functions $f(x)$ such that $f(x)+f\left(\frac{x-1}{x}\right)=2 x+4$

Find all functions $f$ such that $f(x)+f(\frac{1}{1-x})=x$


How can I make initialisms that refer to plurals possessive?

Proper Apostrophe Usage with Initialisms: CCS' or CCS's?


What factors determine enemy levels or: How do enemy levels scale to the player character's?


How to display command output to screen in "real time" in Python?

catching stdout in realtime from subprocess


Get JavaScript object from array of objects by value of property

Find object by id in an array of JavaScript objects


Why Statistics of top and htop are different

Why are memory statistics in top and htop different?


Your python3 install is corrupted Please fix the '/usr/bin/python3' symlink


Why does the MXtoolbox SPF record checker not like my SPF record?

What are SPF records, and how do I configure them?


sound or spelling to determine the choice of indefinite article


Why does Math.cos(90 * Math.PI/180) yield 6.123031769111... and not zero?


Add an equation at the bottom of a KOMA-script article 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?


Subgroups of given index of a finitely generated group

On proving that a finitely generated group has a finite number of subgroups with index $n$.


Potential drop across a wire with zero resistance

Why is the voltage drop across an ideal wire zero?


MT7630E wifi fix not working after kernel update

Why do I get "Required key not available" when install 3rd party kernel modules or after a kernel upgrade?


Retrieving record IDs after inserting a List of objects


Bad quality of package for installing Linux kernel


I run 40 hours a week? (or) I run 40 hours per week?


Process: com.android.text, PID: 26427 java.lang.NullPointerException

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


Can we get a new visa waiver in Canada, for Alaska, when our old one expires in the US?


How does the human ear guess the direction of the source?

How can we tell which direction sound is coming from?


No search terms can be added on facebook.stackoverflow.com

Filtering by Favorite Tag including wildcard ("*") and related tag does not filter


What would be suggested books for beginners to Zeeman Effect and Quantum Physics?

What is a good introductory book on quantum mechanics?


wp_get_attachment_image_src() returning incorrect width and height

Why is wp_get_attachment_image_src returning wrong dimensions?


Any problem assigning one variable to another in shell without using quotes?

$VAR vs ${VAR} and to quote or not to quote


How can I find the name of the ant target being executed?

How can I get the value of the current target ant?


Given that $gcd(a,b)=1$, prove that $gcd(a+b,a^2-ab+b^2)=1$ or $3$, also when will it equal $1$?


How to Java design: Child inherits some properties from Father and some Mother


Blender is rendering an older version my project


Cut a list into two sublists containing alternating chunks?

Splitting a list into two lists each containing a range of elements from the initial one


Proof that an automorphic injective hol. mapping on a bounded domain given one point being the identity implies the whole mapping is too

$f: \Omega \rightarrow \Omega$ holomorphic, $f(0) = 0$, $f'(0) = 1$ implies $f(z) = z$


Strange behaviour in implicit conversion if inline if used

Nullable types and the ternary operator: why is `? 10 : null` forbidden?


Question about how to prove $x^5\equiv x \pmod {10}$

$n$ and $n^5$ have the same units digit?


using a method from another file without including it

Why is #include  not required to use printf()?


Possible to make MySQL use more than one core?


Pass PHP variable with GET to another PHP page

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


When do Commutative Rings with Identity lack the existence of gcd’s?


After swapping the positions of the hour and the minute hand, when will a clock still give a valid time?


Fix broken SDE layers with Arcpy - unexpected error

Permanently replace/update server/service in each ArcSDE Layer in MXD?


Is there a word in English language that means "every eight weeks"?

"Biweekly", "bimonthly", "biannual", and "bicentennial"


Do paths in Adobe Photoshop have to be closed?


Continuous maps to $S^n$ without antipodal pairs are homotopic


What is the point of the transistor to drive the relay coil

Why drive a relay with a transistor switch?


Why is SE consolidating my accounts against my will?

Is Stack Overflow merging two different accounts by email without the user's consent?


Substitution of Atomic Sentences in Propositional Logic


Show that $\iint_R \frac{x-y}{(x+y)^3}\,dx\,dy$ does not exist over $R=[0,1]\times[0,1]$


NullPointerException setting onClickEvent for dynamic button

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


Is there any work-around if you are somewhere where images are blocked?

Hosting options for people that have Imgur blocked by their ISP


Default RNG used by openssl for certificate generation

Is openssl rand command cryptographically secure?


Bringing my laptop from the EU to UK tax free

Should I pay for importing my iPhone in the UK?


What does the number near a comment mean?

How does comment voting and flagging work?


Unfortunately, (my app name) has stopped


check a string variable for string and Integer in Javascript

(Built-in) way in JavaScript to check if a string is a valid number


difference between dict(groupby) and groupby


How to show that $x_n$ is bounded by $2$ and converges?

How can I show that $\sqrt{1+\sqrt{2+\sqrt{3+\sqrt\ldots}}}$ exists?


What can I actually do with a high credit score?


Stopping windows service from asp.net application on Windows 7

How to Start/Stop a Windows Service from an ASP.NET app - Security issues


Texshop / bibtex errors in docs that used to work

Biblatex with Biber: Configuring my editor to avoid undefined citations


What are the limitations on rollovers to an IRA?


Listening multiple possessives and the use of apostrophes

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


EC2: Should I restart when I get a "*** System restart required ***"?

Should I always restart the system when I see "System restart required"?


Supersymmetry with two independent supercharges, $\mathcal N=4$, or $\mathcal N=(2,2)$, and physical significance?

What do the supercharges in extended supersymmetry do?


Is it safe to pull out the purchase record stapled in my passport?

Can I remove receipts from imported products from my passport?


Should my first trip be to the country which issued my Schengen Visa?


Is there a better and newer code for my app cause there is an error when i try to use the app

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


In PHP, is there any harm in running session_start() multiple times?


How do I fix a "syntax error near unexpected token `('" when using '!(...)' in Makefile?

How to fix Makefile syntax error when using wildcard on make clean?


Why does append() always return None in Python?


Never seen a using statement in code used like this


With fractional shares available why do we still have stock splits?

How does ownership in fractional shares work?


Linux efficient command to find if 32 bit/64 bit


Unable to dequeue a cell with identifier

Assertion failure in dequeueReusableCellWithIdentifier:forIndexPath:


Is there a name based virtual host SSH reverse proxy?


Need some advise on pitching Ubuntu SBS and desktops for my company


Loading .profile from .bash_profile or not using bash_profile at all?

What is the difference between ~/.profile, ~/.bashrc, ~/.bash_profile, ~/.gnomerc, /etc/bash_bashrc, /etc/screenrc ...?


R memory management / cannot allocate vector of size n Mb


Export datatable to Excel asp.net : How to Format excel cells to text in Response.Write()?

Stop Excel from automatically converting certain text values to dates


How to create a directory behalf on root user?


Convert a preprocessor token to a string


Splitting string by the first occurrence of a delimiter


Get a list of Master records from a list of child records

General trigger bulkification - best practices


how to convert double to 2 number after the dot?


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


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


Wlan usb adapter not working with Ubuntu

Ubuntu GNOME 17.04: wi-fi not working -- mac address keeps changing?


Traits as a return value from a function

How do I return an instance of a trait from a method?


Confused about proper nouns like Dad and Mom

When should "Mom" and "Dad" be capitalized?


Why was the Weekly Day of Silence post deleted?

Is calling for protest actions allowed on metasites?


Windows 10 shows C:\ 92% full, when it's actually only about 15% full. Not a partition issue

How can I visualize the file system usage on Windows?


How can you define distance in QGIS Multiple ring buffer?


Microphone records only static/white noise

Ubuntu 20.04 Lenovo Ideapad Microphone not working


Where can I find a complete list of all Ubuntu releases and life terms?

Where can I find the status of the released versions of Ubuntu?


To escape underscore without \verb and \texttt


A question about limit $\lim_{n\to\infty} {n \choose n/2}/2^n$

Determine $\lim\limits_{n \to \infty}{{n} \choose {\frac{n}{2}}}\frac{1}{2^n}$, where each $n$ is even


Howto return proper exit Code with AttachConsole from a Windows Forms in C#

Get Exitcodes from WindowsForms Application in command window


Father brought my plane ticket on his credit card, does he need to come with me to check in?

Someone else is booking international ticket for me using their credit or debit card. Do they need to be present physically at the time of check in?


Transfer procedure for non-connecting flights in Ataturk Istanbul (IST)

Need guidance on how to navigate Istanbul Atatürk Airport (IST)


Why is chromium-browser still at version 53 for Ubuntu 14.04 Trusty Tahr?

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


If Snoke could read minds, how could this have happened?

Why didn't Snoke sense this in "The Last Jedi"?


Java "main" java.lang.NullPointerException due to ImageIcon in Beans

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


Do I need a transit visa for a 4h20min transit at Heathrow Airport?

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


How to turn Integer to enumeration value


Grouping digits according to the Indian numbering system in siunitx


These kind of/ this kind of/those kind of


Can I share the ground between 2 ac adapters with different outputs?


Use of "no less than" and no "fewer than"


What command do I use in minecraft for setting people spawn when they spawn on a map I create? Because I am host


Can a function have uncountably many jump discontinuities?

Can we construct a function that has uncountable many jump discontinuities?


motion tracking : how to extract 3d position from selected 2d tracker


Importing coordinate data from Excel into QGIS


Redundant button on election pages with less than three candidates

Moderator elections with two candidates look funny


Help for installing Ubuntu on Acer Chromebook 13


ListContourPlot interpolation fails if x and y axes have different scales


jQuery Plupload restrict number of uploads


What's a common interjection for the reaction to something creepy and disgusting (like some insects or spooky places, etc.)?


Let $W_n$ be the wheel graph on $n+1$ vertices. Find $χ(W_n;k)$.


Class with single method -- best approach?


Reference name of description list items in latex

How to cross-reference items in description lists?


The speed of light and it's variation through different media?

What really causes light/photons to appear slower in media?


How to get previous paragraph text to wrap around an anchored object?

InDesign: how to get anchored objects to flow within text boxes


Windows says RAM ran out while there is still 4 GB of physical memory available


How can I get JSON content from external file with pure Javascript?


Verbatim environment that can break long lines?


Angular velocity: $\omega = vr$ or $\omega = v/r$?


Solving for an angle in an $80^\circ$-$80^\circ$-$20^\circ$ triangle ($60^\circ$-$70^\circ$ variant)

Solve for $x$ in the $80^\circ$-$80^\circ$-$20^\circ$ triangle


On a dual-booted mac, can I hibernate from macos and resume on the other operating system?

Hibernate between OS X and Bootcamp Win 7


Difference between RegExp constructor and Regex literal test function?

Why does a RegExp with global flag give wrong results?


PuTTY - Automatic Reconnect After Internet Interruption?


What are MVP and MVC and what is the difference?


Merge subarrays to form an indexed array with first level removed

How to Flatten a Multidimensional Array?


Expected value of the negative part of a random variable

Expectation of a mixed random variable given only the CDF


Is it possible to run ntpd with a time that is intentionally distinct from system time?

NTP synchronized clock alongside the system clock


How to use Python library in android application code

Is there a way to run Python on Android?


IATA rule regarding passenger right to drinking water

Are airlines in the EU obligated to provide water for passengers?


Schwarz's Lemma and functions with positive real part


Automating Find & Replace to change font colour

How can I automate Find & Replace to change font colours in Google Docs?


how to tell ubuntu to use python 3.4 instead of 2.7?

How to make 'python' program command execute Python 3?


Return List - Issues problems in .net core 2.0

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


Phone still stuck in a bootloop after flashing official firmware with Odin!


I can't see my JScrollBar (JScrollPane on JPanel)

I'm having trouble getting JScrollPanes to actually display scroll bars


Error: Exception in thread "JavaFX Application Thread"

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


Will an object always fall at an infinite speed in a black hole?

Will free-fall object into black hole exceed speed of light $c$ before hitting black hole surface?


python: how to get information about a function?


Can you apply for an Indian e-Visa if you have already have a valid Indian visa in your passport?

Can I apply for a second Indian-Tourist Visa? Is there any time gap needed?


sshd log file entries from the past mixed in with currently occurring entries


HEX to 7 segment decoder for a common anode 7 SEG display


Why doesn't work the calling to a method in JAVA (Single example)

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


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


Finding municipal-level administrative boundary data for India?

Seeking administrative boundaries for various countries?


Assignment of singly-linked list in java

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


Show alert popup on standard page layout on click of standard button "Save"


“click to jump to the line” is not working!

Texmaker generated pdf file not showing the position of cursor


Simplifying complex expression with Mathematica


Why didn't Harry go to the Burrow immediately following the end of his sixth year?

Why did Harry go back to 4 Privet Drive between 6 and 7?


Saving changes is not permitted. The changes you have made require the following tables to be dropped and re-created

Sql Server 'Saving changes is not permitted' error ► Prevent saving changes that require table re-creation


Stack Overflow, why don't you like pleasantries?

Should 'Hi', 'thanks', taglines, and salutations be removed from posts?


Is there any way to erase personal information from my phone that has already been stolen?


T-SQL: Selecting rows to delete via joins


80's (or earlier) sci-fi book, space pirates/thieves encounter a spider-like alien with ultrathin legs able to slice through the members of the crew

Looking for a story about a giant lost ecological ship, and the quirky guy who became its captain


I have multiple instances of nginx, but not sure which one is "correct"


Let $f$ be an injective and continous function. Prove that $f$ is monotone.

A continuous, injective function $f: \mathbb{R} \to \mathbb{R}$ is either strictly increasing or strictly decreasing.


How to decide on the correct number of clusters?


How do I change the author of a commit in GIT from specific revision

How to change the author and committer name and e-mail of multiple commits in Git?


ceph version on ubuntu ports repository for armhf

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


in c++ main function is the entry point to program how i can change it to an other function?


Understanding the arguments in newtheorem e.g. \newtheorem{theorem}{Theorem}[section]


Prove the following summation inequality: $\sum_{i=1}^n(a_i)\sum_{i=1}^n(\frac{1}{a_i})\ge n^2$


Saving tab bar items order and coming back to them when re-launching app

How to save tab bar order when app is terminated?


How do I make my shears be able to break iron bars in adventure mode?


Line spacing after nested bullet points is inconsistent


Using mathematical induction to prove P(n)


How can I run an external program from C and parse its output?


How does the American PhD system works for foreign students?


How to launch Navigation activity using Intent on Android

Launching Google Maps Directions via an intent on Android


How to make a jquery infinite animation?


Lenovo Legion Y720 keyboard backlights not working

Lenovo Legion Y720 laptop Keyboard backlight


Name for "filler" words that potentially convey lack of self confidence


Trying to use minted package and getting error "Package minted Error: You must invoke LaTeX with the -shell-escape flag."

How to invoke latex with the -shell-escape flag in TeXStudio (former TeXMakerX)?


Keep "Employee" on the profile of SE employees on meta

Employee profiles are now marked with a “Staff” indicator


Forgot password and can't access GRUB menu

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


Snackbar is showing Null pointerException

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


Why do C/C++ -Coding standard says that we should not have multiple return in function?

Should a function have only one return statement?


Hoffman and Kunze, linear algebra sec 3.6 exercise 1

Task interpretation for Hoffman Kunze Linear Algebra exercise 1 (b) sec. 3.6


The Bash command :(){ :|:& };: will spawn processes to kernel death. Can you explain the syntax?


Why can't I delete my answer in the Stack Exchange App?

Allow us to vote to delete from the Android app


"By" vs "Per". Which one should I use on expressions like "P&L/Geography" or "VaR/Asset"?


Is there a USN RSS feed specifically for 14.04 LTS?

Are there Ubuntu security notices feeds for specific releases


Can we find element of order $q^2-1$ in $\text{GL}_2(\mathbb{F}_q)$?

$GL_n(\mathbb F_q)$ has an element of order $q^n-1$


Parenting mesh with Bones > Error: failed to find solution for one or more bones

heat weighting: failed to find solution for one or more bones


Could the Banishment spell be used to separate an NPC from an aberration growing inside it?

Is a pregnant creature considered a single entity for spells such as Banishment?


No WiFi internet on Ubuntu under VirtualBox


Where to place user created systemd unit files


Using PDO insert values in the limit clause of an SQL statement?

How to apply bindValue method in LIMIT clause?


QGIS 3.4 - Symbology expression for features that have not been styled by rules

Creating a symbology value for "all other values" in QGIS 3.0 - clarifying question


Particular nodes are missing from node editor


Why need to pass jQuery object as parameter to closure?

Why define an anonymous function and pass it jQuery as the argument?


Closing changes: [on hold], unclear, too broad, opinion-based, off-topic reasons, bye-bye to Too Localized


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


Let a, b, d be non-zero integers. If d|a and d|b, prove d|gcd(a,b)

Intuition for $\,c\mid a,b \iff c\mid \gcd(a,b)$


$G\cong H$. $G$ is cyclic if and only if $H$ is cyclic.


Distorted line 2 in the sources list /etc/apt/sources.list.d/official-package-repositories.list

How do I restore the default repositories?


If a prime $p$ is divided by 30, remainder is either prime or 1

What can primes, except 2, 3, and 5, be congruent to $\pmod {30}$?


Why do I need to set up Secure Boot password for Ubuntu to install drivers?

Why was I asked to create a password in order to disable secure boot on initial installation of Ubuntu 16.04?


Warning: session_start(): Cannot send session cookie - headers already sent by (output started at

"Cannot send session cache limiter - headers already sent"


Null Pointer Exception in copying files from remote

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


How to interpret numerous processes with exact same RAM usage

Why does `htop` show more process than `ps`


Why this java statement is generating this output?

The concatenation of chars to form a string gives different results


Why database is null immediately after it is loaded


Flex ignores changes in services-config.xml


Increasing the contents of a list by a certain number within a range function

How to use a decimal range() step value?


How can I Simulate string_agg function in old Version of SQL Server

Simulating group_concat MySQL function in Microsoft SQL Server 2005?


Unindent does not match any outer indentation levels

IndentationError: unindent does not match any outer indentation level


Query on magnification by concave mirror


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


MiKTeX - broken package combination fontspec / expl3

How should one maintain and update a MiKTeX installation?


What are the requirements to be able to run the Sims 3 with all expansions packs and custom items?

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


ugly color for directories in gnome- terminal?

What do the different colors mean in ls?


How do you make div elements display inline?


Sci-Fi Series, Earth trapped in time-slowing field, observed from Mars colony

A barrier isolates Earth from space and slows down time


Hide Chatter in Home Page after Summer 15

End of javascript sidebar workarounds? (Salesforce Classic / Aloha)


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


stop Ipod from asking for old Apple ID password


"Fast" vs "Quickly" vs "Speedy" vs "Rapidly"


How to achieve sharp focus on two subjects in a portrait with low depth of field?

How can I get everything in focus? (Why can't my camera just use all of its focus points at the same time?)


javax.servlet.ServletException: bean [name] not found within scope


How to deal with separation in logistic regression?

How to deal with perfect separation in logistic regression?


How to alter column with primary key and identity

SQL Server add auto increment primary key to existing table


How to use `which` on an aliased command?


How can I delete all cookies with JavaScript?


i have downloaded qt-everywhere-src-5.15.0 how to install or use it

wireshark problem while loading or opening wireshark qt.qpa.plugin


Do you need to clear immigration when connecting at DXB Terminal 1?

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


How can I assign the output of a command to a shell variable?


$\sum_{x+y =c}{a\choose x}{b\choose y} = {a+b\choose c}$

How to prove Vandermonde's Identity: $\sum_{k=0}^{n}\binom{R}{k}\binom{M}{n-k}=\binom{R+M}{n}$?


Scanner.nextLine input can't match String


How to merge elevation from a raster image onto a shape road network with QGIS?


Footnote inside figure capture duplicated

Duplicated footnotes in long figure caption


Elegant way to prevent command substitution from removing trailing newline

Where has the trailing newline char gone from my command substitution?


How to put a character as end of expression

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


How do I make my rim brakes stop squealing?


how to make a mysql column with an incrementing id without auto increment


Select a date without time (SQL Server (+)

How to return only the Date from a SQL Server DateTime datatype


bash + how to calculate percentage from number

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


If I have a post with delete votes, I delete it myself, and then I undelete it, what will happen?

Self-deletion and un-deletion without any changes should reinstate the original close/delete votes


how to prove: $\sum\limits_{k=1}^n k\binom{n}{k}=n \cdot 2^{n-1} $

How to prove this binomial identity $\sum_{r=0}^n {r {n \choose r}} = n2^{n-1}$?


Simplified method for symmetric matrices


Is this an inconsistency in the foundation of complex numbers?


Use of definite article before superlative adverbs

Is there any difference between like best and like the best?


What prevented the early universe to become a black hole before inflation?

Why did the universe not collapse to a black hole shortly after the big bang?


With jQuery how to check dynamically inserted class

Determine if an element has a CSS class with jQuery


Boy and girl live on a world where tech is outlawed, find spaceship and travel to another planet

Story (series) identification: Mind controlling satellite, a return to Earth, and two warring alien species


Difference between (in/on/at) "on court", "at school", "in all countries"

Should I say "She is in the park" or "She is at the park"?


Can you set rowspan / colspan through apps script in Google document?

How to merge the two cells of a table in a Google text Document without this weird result?


No Lebesgue-measurable subset such that $\lambda(I\cap A) = \frac{1}{2} \lambda(I) \forall I$

For a set of positive measure there is an interval in which its density is high, $\mu(E\cap I)> \rho \mu(I)$


Executing a program gives No such file or folder error

Getting "Not found" message when running a 32-bit binary on a 64-bit system


Why the eigenvalues of hamiltonian are discrete in bounded systems (only discrete energy levels)?

Discreteness of set of energy eigenvalues


Capture `active (running)` from the output of a `systemctl` command

The "proper" way to test if a service is running in a script


Is the Hilbert-Schmidt norm of a matrix induced from a vector norm?


Can't get rid of header X-Powered-By:Express


when tried to edit .bashrc file The command could not be located because '/usr/bin' is not included in the PATH environment variable

How do I modify my PATH so that the changes are available in every Terminal session


Separated sets written as union of disjoint closed sets can be separated

$F_\sigma$-subsets in a normal space can be separated


Can a Fighter, with Battle Master Archetype, multiclass with Fighter Champion?

Can you multiclass the same class twice for different class features?


how to change colors of my ps1 root terminal permanently

How to change the color scheme of the prompt based on user?


Is there a difference between laptop and desktop RAM?


How long will this apple compote keep in the fridge?

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


Node js / Angular js - CAUTION: Provisional headers are shown

"CAUTION: provisional headers are shown" in Chrome debugger


How to replace the first character of a String in Android


AutoCommit Flag of java.sql.Connection not working for SPARQL


How to return values of an asynchronous method call in node js

How do I return the response from an asynchronous call?


If gravity arises from the curvature of spacetime, why is there a need for gravitons?

What are the reasons to expect that gravity should be quantized?


Is it possible to remove animals from a Minecraft map?


How to add a new value to the end of an numerical array?


What is the Name of System Settings for terminal

What is the command to run System Settings from a terminal?


How can i redirect command output in OS X to both console and file at the same time

Echoing output to file while seeing it in console in the same time


How does spectroscopy work if the atom will immediately re-emit a photon of the same frequency?

Why don't absorption and emission lines cancel out in our Sun?


getting a null-object reference back with findViewById

NullPointerException accessing views in onCreate()


Do a Brazilian and a Filipino citizen need an airport transit visa to wait for 2h30m in Seoul to fly to Addis Ababa?

Do I need a visa to transit through South Korea?


what is character and is there a difference from char? java

What is the difference between an int and an Integer in Java and C#?


Accessing json keys with special characters in javascript

How to access object properties containing special characters?


java.sql.SQLException: No suitable driver found for localhost test

The infamous java.sql.SQLException: No suitable driver found


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


Only see "Off" option on AirPlay Display

AirPlay turned off and can't be turned on


What are major differences between C# and Java?


Is it still bad to use swap on a modern SSD?


Deployment directory missing at Tomcat 7 by running from Eclipse IDE

Where does Tomcat in Eclipse store the expanded WAR?


How to set nomodeset GRUB2 before I've installed Ubuntu

How do I set 'nomodeset' after I've already installed Ubuntu?


So, what's left to do? (GSC Performance Drops)

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


How to find all possible sequences within a list of lists in python?

Get the cartesian product of a series of lists?


Plotting a function defined with \pgfmathdeclarefunction


Is it considered plagiarism for a professor to use uncited sources in teaching materials?


Prove that convex set has empty interior if and only of there exists a hyperplane containing the set.

Convex Set with Empty Interior Lies in an Affine Set


Need some detail on usage of <% in aspx page

how to Embedded Code Blocks in ASP.NET Web Pages?


Solution of the differential equation of first order and second degree implicit equation.

solution of differential equation $\left(\frac{dy}{dx}\right)^2-x\frac{dy}{dx}+y=0$


Render output corrupted on Google Chrome


How to cancel a credit card and verify it was closed


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


How to stop windows 10 from reconnecting a bluetooth device without turning of BT or unpairing the device?

How do I keep my bluetooth headphones from connecting to my windows 10 machine when it's connected to my phone?


fancybox open inline content but not iframe


How to highlight in yellow a specific part of a string using jquery


Being in a solid state, why is ice slippery?


Banned in desktop, "read-only" on mobile?

Mobile chat "you have been suspended" notification is too ambiguous


Can you use google scripts on a website that's not created under Google Sites?

Embedding Google Apps Script in an iFrame


Should I answer my own question in this particular case?

Can I answer my own questions, even if I knew the answer before asking?


When will my device get the Android 5.0 update (Lollipop)?


How do I select all list items within a navigation list in JQuery

How do I select multiple elements and a class in JQuery


How to Plot the temperature and heat flux of the heat conduction problem

Heat conduction problem with boundary at $\infty$


According to style is it right to put a funcion like parameter when ending an aplication with sys.exit() in python?


Why don't we double the final consonant in the word cooking


Lagrangian formalism and dissipative systems

Lagrangian and Hamiltonian EOM with dissipative force


'Installing' Applications, where to put folders?

When installing user applications, where do "best practices" suggest they be located?


Number of binary words with a length of $n$, with $m$ 1s and at least $k$ 0s between 1s

Number of ways to select $K$ people from $N$ people such that at least $r$ people are there in between them


How can I display all Multisite blogs where this user is administrator?


Can $n!$ be a perfect square when $n$ is an integer greater than $1$?


Observer inside event horizon of an extremely large black hole

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


How to add a progress bar to a shell script?


Penalty notice for speed limit violation in Australia while I am an Indian citizen

Do I have to pay traffic fines issued by foreign governments?


Is there anyway to tell when the last query was made against a database?

SQL Server DMV to show if database is used


Admin Tools, could already visited items be hidden when revisiting?

Don't repeat (or let us skip) posts when requesting next page on 10k tools' Flagged Posts


How does Love Potion know for whom the victim should fall?

How is the "target" of the love potion effect set?


Looking for interactions of all elements of a list (in R)

How to generate all possible combinations of vectors without caring for order?


Adding labels to close points in a ListPlot

How to position text labels automatically to not overlap other graphics elements?


PDF footer at the bottom using iTextSharp


How can we get rid of misspelled and unused (or "zombie") tags?


How to create a shortcut to Windows Update?

Forcing Windows updates to pop-up during a presentation


Python re.sub giving error: invalid group reference


How can I fill under a function in a plot just to right of a specified vertical line?


Matching an optional substring in a regex


Option Numbers=Lining not working any more with font Constantia after MikTek Update


Energy Conservation in Kinetic Power Plants

Why doesn't this perpetual motion machine using the buoyant force work?


Find the coefficient of $z$ in the Laureant Series expansion of $\frac{e^z}{z-1}$

Find the coefficient of $z$ in the Laurent series expansion of $\frac{e^z}{z-1}$ in ${|z| > 1}$


When should I use "a" versus "an" in front of a word beginning with the letter h?


Bootcamp requires Windows 7. Possible to clean install Windows 10?

How to install Windows 10 into a 2011 iMac without using the Boot Camp Assistant, an optical (DVD) drive or third party tools?


method 'boolean java.lang.String.isEmpty()' on a null object reference

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


Trying to connect object when mirrored over center?

Getting a crease when using a Mirror Modifier


Solve $\sqrt{1-2x+x^2+o(x^3)}$ with $x \to 0$

How to solve asymptotic expansion: $\sqrt{1-2x+x^2+o(x^3)}$


How is the Fez number cipher intended to be solved?

How is the number / tetris code in Fez intended to be solved?


PHP preg_replace html comments with empty space

(php) regexto remove comments but ignore occurances within strings


Gibbs free energy and it's physical significance


South Africa passport traveling from France to New Zealand

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


Install module Snowball Stemmer with composer and required library

Managing module library dependencies with composer


Euclid theory problem on number theory for p divides the binomial coefficient.

Prove that $p\mid \binom{p}{k},\ 0< k< p$


Does every point in a system has equals moment (Torque)?

Is torque independent of choice of the point of rotation?


What is the use/ application of Abstract Classes?

What is the main advantage of making a class abstract


Exception calling "UploadFile" with "2" argument(s): "The Content-Type header cannot be set to a multipart type for this request."

Looking for a powershell script that can pull a file from a set of PC's and FTP


Set an image as transparent background watermark


Question based on the @whuber detailed answer on fat tailed term

Example of heavy-tailed distribution that is not long-tailed


Compare two arrays and put equal objects into a new array


What is the power series for a half-exponential function?


What is the latex code for the symbol "two colons and equals sign"?

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


Get the name of the current invoking method at runtime


Movie Identification: 80s Scifi/Comedy, Guy travels to a planet full of very stupid people

What movie or tv show has a tribe of "bird men" outside a walled city in the desert?


A continuous surjection makes $m \geq n$.

Does there exists a continuous surjection from $\mathbb{R}$ to $\mathbb{R}^2$?


What does the type parameter  in the method definition mean?


Optimal query pattern to count related entries in PostgreSQL


Clashing definition of rays in Weinberg and Sakurai and Born interpretation without normalizability

Quantum states as rays as opposed to vectors


How help to the development community with the most duplicated questions on Stack Overflow

What is the most rampant duplicate on Stack Exchange sites?


Do airport agents accept firstname and lastname in wrong order?

Is there any problem if the last name prints first than the first name on an air ticket?


How to install Ubuntu onto Acer Aspire V5-122P Laptop


regex: alphanumeric spaces and dash on keyup

How to prevent non-alphanumeric input in javascript?


What happens if I leave Australia without paying a fine (for setting off fireworks)?

Can I get back into Australia on a tourist visa if I have an unpaid fine?


Install Ubuntu 18.04 lts on Dell Inspiron 15 5000

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


Why do we need to implement interfaces to provide certain functionality instead of just defining the methods without implementing the interface?

Why do we use Interface? Is it only for Standardization?


Using awk to change an entire column of both positive and negative values, to just negative?

Output negative values, regardless of original sign, on selected lines


Quick Explosion: How to give shrapnels hitboxes

How to get fragments of an exploded object to react more accurately to collisions with a plane?


Find the covariance matrix of the random variables

Does the variance of a sum equal a double sum of covariances?


Querying empty Datamapper has n relationships


Interpreting regression coefficients with a multi-level categorical variable

How to apply coefficient term for factors and interactive terms in a linear equation?


Miktex error: Couldn't connect to server

Package installation - Outdated repository


Is it possible to pop the UINavigationController twice?

How do I pop two views at once from a navigation controller?


Group contiguous polygons by sum of values

Dissolving ploygons in QGIS or Grass to new polygons of defined population sizes?


Getting raw SQL query string from PDO prepared statements


Urn with an infinite number of balls of finite, uniformly distributed colours


Do older versions of cards use the card types printed on the newest version?


What is the origin of using '-wise' as a suffix?

When is it correct to use the "-wise" suffix?


Run an Application in GDB Until an Exception Occurs


How do you not smash the laboratory wall?


How do I find other kids ages 12-14 to play Dungeons and Dragons with


Linux run script automatically after boot


Unable to set a variable with an AJAX call

How do I return the response from an asynchronous call?


Have trouble with "Expression is not assignable"

Why is "expression not assignable" (UIView.frame.origin)?


How can I save flour from little insects?

How can I remove the little white insects from semolina and flour?


Using Fermats prime numbers to prove that there is infinitely many prime numbers


Can someone fix the broken links in this historically-locked question?

What to do when I want to improve a locked post?


How do I fix a command generated by MCStacker?

Why are my quotation marks causing an “unexpected token” error with this command?


Difference in horizontal spacing between &= and =& in align

Equation number in aligned environment after last line


Showcase of beautiful typography done in TeX & friends


Purchasing a house with parent-in-law's money, temporarily

How do I arrange a private mortgage between myself and a trusted individual?


Error when calling a method that returns a string c#

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


High School Physics Question on Work and Energy


Is there a known mathematical constant for the formula $f(x)=\sum_{n=1}^\infty(\prod_{m=1}^{n}(\frac{1}{m}))$?

How come such different methods result in the same number, $e$?


Is there a way to list all the used tags through all the Stack Exchange sites?

Searching for a tag across all Stack Exchange meta sites


natbib package downloaded through miktex but not found after compiling

Question mark or bold citation key instead of citation number


How to find the resistor value using the color codes?


JavaScript object: access variable property by name as string

Dynamically access object property using variable


Does multivariate regression produce the same results as multiple, single regressions?

Why do we need multivariate regression (as opposed to a bunch of univariate regressions)?


Missing files in Android SDK tools directory

Update Eclipse with Android development tools v. 23


How to change the time server in ubuntu 12.04 LTS without installing the `ntp` package

How to configure NTP time synchronization on a server?


How can I replace default Ubuntu Dock with Dash To Dock gnome extension?


Searching for single record in JSON data (Android app)


Python 2.7 find min,max on list of lists

Python: Find the min, max value in a list of tuples


How do I replace the entire HTML node using jQuery


Preventing Quantum Attacks on Cryptography

How will Cryptography be changed by Quantum Computing?


C++: Difference between contructor() and constructor(void)

Is there a difference between foo(void) and foo() in C++ or C?


Convergence of $\sqrt{n}x_{n}$ where $x_{n+1} = \sin(x_{n})$


Proper use of the contraction "don't" in questions

How to answer a negative question without ambiguity?


Bringing back an "overridden" window method

Call native javascript function that has been "erased" by the web page


Reinstalling a fresh Windows 7 on a SSD while its original HDD version was upgraded to Windows 10

How to reinstall Windows 10 on new hard disk


How do I calculate my passive Wisdom (Perception) check?

Does a passive Perception (Wisdom) check add WIS mod + Perception skill?


jQuery Dynamic Element Click Handler Nor working

Event binding on dynamically created elements?


change cursor from block or rectangle to line?

Bold black cursor in Eclipse deletes code, and I don't know how to get rid of it


Why do '*' vs list comprehension when making list of lists work differently?

List of lists changes reflected across sublists unexpectedly


regarding the correct/incorrect use of the comma

Does removing the comma before 'which' etc in a non-restrictive clause change the meaning of the sentence?


$sudo apt-get update throws (101: Network is unreachable)

Why I do get error 101? How is my DNS involved?


PHP - Parse error: syntax error, unexpected '[' - associative array

Difference in accessing arrays in PHP 5.3 and 5.4 or some configuration mismatch?


Evaluating $\lim\limits_{n\to\infty} e^{-n} \sum\limits_{k=0}^{n} \frac{n^k}{k!}$


How to get snap installed SimpleScreenRecorder to save output file to removable media?

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


Why Chrome has Mozilla in its user agent?

Why does Internet Explorer identify itself as Mozilla?


Change the selected value of a drop-down list with jQuery


Some questions about String comparison(Java)

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


In what situation can I post a similar question without it being closed as a duplicate?

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


Difference between known-plaintext attack and forward search attack


Sacrificing a creature you don't own but you control

Sacrificing a creature I control that my opponent owns


How do you play a sound from the terminal?


Kotlin Error addition and subtraction results are bugged out


Error changing between Nvidia and Intel GPU using Nvidia-settings (no module named 'dbus')

Nvidia X server - cannot switch to GPU from my Intel, because of python import error


How to replace these characters "[" and "]" using regex?

What special characters must be escaped in regular expressions?


Towers of Hanoi recursion in python, understanding the change in disc destination

Towers of Hanoi Python - understanding recursion


JSON schema pattern validation is failing


Is there a way to avoid the loss of EXIF data when resizing images on upload?

Prevent the loss of EXIF using imageCache does not work


Why does any charge flow through a parallel branch with a higher resistance?

Path of least resistance vs. short circuit


Test mail not sending in drupal 7 SMTP configuration in windows 2012 server

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


Computing $\int_0^{\infty}\frac{\cos x}{x^2+a^2} dx $

What are different ways to compute $\int_{0}^{+\infty}\frac{\cos x}{a^2+x^2}dx$?


What level do I cast invisibility from the eldritch invocation Shroud of Shadow?

What level is a spell if you cast it without expending a spell slot?


How can I mirror broken Samsung S4 GT I9505 unlocked screen onto Laptop or TV?

Control Android with broken screen from PC


Removing permutations from a list of tuples

Python: Remove pair of duplicated strings in random order


How to get days between without time from date string - TypeScript?

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


How to WRITE to ext4 partitions on windows?


Run a query (create procedure) in .net (C#)

How to execute a stored procedure within C# program


Why do microcontrollers have so little RAM?


select neighbors and find Top n in Matlab

Get the indices of the n largest elements in a matrix


Help finding the sum $\sum_{n=1}^{\infty} \frac{n^2+1}{5^n}$

How to prove $\sum_{n=0}^{\infty} \frac{n^2}{2^n} = 6$?


JAVA Scanner string input in if/else statement


Which statistical tests can I use to analyse significant difference between the means of non-random samples?

Can non-random samples be analyzed using standard statistical tests?


Sci-fi novel from the 70’s or earlier about a space rebellion and a small craft

Title used for an autokrat in an Asimov story?


Does the Heisenberg uncertainty principle hold up for events in the past?

Is the Uncertainty Principle valid for information about the past?


NullPointer exception when adding ObjectInputStream to a HashMap

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


Algorithm to mix any list of string (array)


Align right and push paragraph outside of the div layer


Detect the Internet connection is offline?


C# Why do I get the "Error creating windows handle" while having parent form?

Winforms issue - Error creating window handle


Dealing with spaces in filenames in a batch loop

How to handle space of Filename in Batch For Loop


Does Orisa's Supercharge ultimate stack with other damage buffs?


Java random generate price in two decimal format

How to round a number to n decimal places in Java


VetorTest.java uses unchecked and unsafe operation With -Xlint error

What causes javac to issue the "uses unchecked or unsafe operations" warning


How do I get notified about a new question in my favorite tag?

What does 'subscribe' in the Stack Exchange Shiny Hover Tag Information-o-Matic do?


What do parentheses surrounding an object/function/class declaration mean?


How come the AI makes like 3000 gold per turn on warlord?

How is it possible to have 700+ gold income?


Bad answer → Downvote → Edit within 5 mins → Undo → Vote locked in

Unlock votes if post is edited during the grace period


Recent feature changes to Stack Exchange


Write email to a professor who is recruiting new PhD students

What could/do applicants usually ask professors, and how does this reflect in a statement of purpose?


If I wanted opinion-based answers to a naming question, where would I go?

Where to ask "subjective and argumentative" questions on programming?


How to add a ActionListener to the close button

How to capture a JFrame's close button click event?


What's up with Bob Taylor in Prisoners (2013)?

What happened to Bob and what is his relation to the plot?


Sharing a pie evenly among an unknown number of people.


How can I get Google to index all my pages when only 10% are currently indexed?

Why aren't search engines indexing my content?


HDIO get identity failed for dev/sdb invalid argument

Why do I get 'HDIO_GET_IDENTITY failed' message when booting with external usb hard drive?


Linear algebra, matrix in $\mathbb{C}^n$

Proving that $AB-BA=cI$ for nontrivial $c \in \mathbb{C}$


How do I make my model move with an armature's bones?


Specific differences between Jetty and Tomcat


Remove the first occurrence of an element, and all occurrences of an element in a linked list with recursion


Non-english characters in MySQL command-line on Windows


A list is a basis if norm of difference with orthonormal basis is bounded by given constant less than unity

Prove that $v_1, \dots v_n$ is a basis of V.


Can I connect 3 displays to a late 2012 Mac Mini?


Is there a Pythonic way to create a list of cloned items?

List of lists changes reflected across sublists unexpectedly


Window's Title Bar Text Desproportionally Big

How can I increase window title font size?


How to use the contents of a field in an SQL table as HTML

Object of class mysqli_result could not be converted to string


Accidentally rm -r the wrong etc folder... Help?

Unix/Linux undelete/recover deleted files


"ImportError: Cannot import name mongoclient" in Windows

Importing installed package from script raises "AttributeError: module has no attribute" or "ImportError: cannot import name"


Fluent Id field with two differents Database Engine (Oracle and SQL Server)

how to Unit test fluent mappings, with in memory sqlite when you got sequences


Event binding on dynamically created elements?


How often does ubuntu update their python versions after CVEs?

How can I tell if a CVE has been fixed in Ubuntu's repositories?


How can I install a Canon printer or scanner driver?


Difference between BinaryFile vs MemoryMappedFile?

What are the advantages of memory-mapped files?


If I cast the Polymorph spell on an ally to assist the group in a fight, will he attack us or fight alongside us?

Does a polymorphed creature remember who his friends are?


Programmatically align a toolbar on top of the iPhone keyboard


Prove that $\{a_n\}$ is a monotonically increasing sequence and it bounded by $c$.

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


Nginx: Configure max_fails and fail_timeout without an upstream definition

Set max_fails and fail_timeout for all servers in upstream in nginx


Windows 10 and Ubuntu do not dual boot (after multiple attempts to fix)

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


C# How to catch empty rows in a CSV file using CSVReader?


"No student at your school can speak Russian or knows C++" / OR usage


Jquery events not working with elements from append()

Event binding on dynamically created elements?


What's the difference between the server version and the desktop version?


Find the coefficient of $x^9$ in the expansion of $(1+x)(1+x^2)(1+x^3)...(1+x^{100})$


Non-existence of non-trivial clopen set in $\mathbb R$ without using connectedness

No non-trivial clopen sets in $\mathbb{R}$? How to give a direct proof?


How to solve for any given natural number n?


How to check if date is today or yetsterday or return date?


Scala class constructor, how can I get the names and types of the constructor?

How do I obtain ctor argument types via reflection in Scala 2.10.1


Blender 2.91 - Half of my objects are not appearing on render


Help Identify Youth novel about higher dimensions

ID a book about a mirror world and 4th dimension


Can I connect to SQL Server using Windows Authentication from Java EE webapp?


I would like to know, what would happen if a primordial black hole mass of Earth, would impact with the Earth

What would the effect be of a small black hole colliding with the earth?


How to adjust the width of a wrap text sideways column header in tabular

How to adjust the width of a wrap text sideways column header and width of a paragraph cell in tabular


Diagonalisation and characteristic polynomial


What is the difference between all of these impact factors?

How do you judge the quality of a journal?


IPHONE - detecting if the device was jailbroken

How do I detect that an iOS app is running on a jailbroken phone?


Standard textwidth with geometry package

Storing the original document class page layout with geometry


Is ‘folk’ a plural form for ‘person’ or not?


Are there specific rules about which races can mate with each other?


Application crash when i am using CFRelease


Copy of Stack Exchange network `dingding`

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


How do stealth and surprise interact for full-round actions?

Is it really impossible to surprise someone with a full-round action?


Can I call a constructor from another constructor (do constructor chaining) in C++?


Python different value when printing and reading


How can I get a list of all packages in a repository section from command line?


What affiliation to put on an academic paper for alumni authors?


Enable source code repositories (16.04 LTS)

How do I enable the source code repositories?


Mysql Swap data between rows using a dummy table


French Characters are not saving in database via php


Print acronym + full name in brackets at the first occurence of \ac{XYZ}


Why do I get an "rsync: failed to set times on ... : Operation not permitted (1)" error on Ubuntu 10.10 with SME Server 7.4?

"rsync: failed to set permissions on ..." error with rsync -a or -p option


Is it possible to convert a variable as a string?

How to print original variable's name in Python after it was returned from a function?


TP-LINK TL-WN823N Unable to connect to network


Can I undo the upgrade to iOS 7 by restoring to iOS 6.1.3?


be confused the use between adjective and adverb when it is in front of adjective


Basic mathematical induction regarding inequalities


Why does inelastic collision obey the conservation of momentum?

Why is momentum conserved in inelastic collisions? How is it related to momentum-impulse theory?


What does it mean "See something(3) or see something-else(5), etc..." in the man of a command in terminal?

What does the number in parentheses shown after Unix command names in manpages mean?


Why does Padme still have a belly even after child birth?

Was Padmé made to still appear pregnant for her funeral?


I can't become an a administrator on my Win 10 laptop

How to get rights of admin after I disabled all admin accounts in my computer


why the below code does not show error while passing by reference

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


Bug reports and feature requests are not "questions"

How should feature requests/bug reports work on Meta?


color glitches and weird texture in render


How to assign .* as a value to variable in bash

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


A problem involving ideals and prime ideals.

Ideals and prime ideals in a commutative ring.


What commands are there for horizontal spacing?


How to pass an array of Uri to next Activity ?

How to pass an array of Uri between Activity using Bundle


do I need to apply for esta if I have a b2 visa?

Applying for ESTA while in possession of a valid B1/B2 visa


java.lang.String java.lang.Object.toString() on a null object reference

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


ORA-00937: - "not a single-group group function"

Is there any difference between GROUP BY and DISTINCT


What is the connector on this laptop hard disk drive called?

How to connect this laptop SATA HDD to regular desktop SATA cable?


What is the rule for wide ball during reverse hit or switch hit?


what is the solution for this error showing in console(debug) and also in textfield is not displaying data(String) is not working


Stop Windows asking me to eject ATA device

How can I remove the option to eject SATA drives from the Windows 7 tray icon?


How to prevent windows from going to sleep when my c++ application is running?

Prevent windows from going into sleep when my program is running?


java.lang.NumberFormatException: For input string: "type"

Showing Hibernate/JPA results in JSF datatable causes: java.lang.NumberFormatException: For input string: "[propertyname]"


Excluding dependency transitively for assembly only?

How to add "provided" dependencies back to run/test tasks' classpath?


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


What is this agglomeration of pink cells I found attached to a stone?


Behaviour of named and anonymous function

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


How to change LCD brightness from command line (or via script)?


Derogatory term for people from places like San Francisco

Derogatory word or idiom for city dwellers or people who aren't adapted to country/rural life


why different frames height in chrome and IE7


Raman vs Fluorescence, scattering vs absorption, classical vs quantum

What is the difference between Raman scattering and fluorescence?


Is there a closed formula for the sum $q+q^2+q^4+\dots+q^{2^n}$?


Why does using 'is' instead of equals ( == ) for comparison of integers return different results in python?

How to test multiple variables against a single value?


How can I control a servo motor with the PWM output of a microcontroller?


What is the difference between work function and the ionization energy?

What's the difference between the work function and ionisation energy?


What causes highly compacted matter to collapse into a black hole?

Neutron degeneracy pressure and the Schwarzschild radius


Java error in my code Exception in thread "AWT-EventQueue-0"

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


Does an APS-C lens label itself with effective or true focal length?

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


Using a single coordinates variable to select center in Google Maps JavaScript API

How do I split a string, breaking at a particular character?


how to print a string containing both single and double quote in php


How to make text aligned left/center/right in the same line?


How do I display a specific field from an entity reference within a custom block template?


Lightning Component: Why component.find() does not find a dynamically created component?

Problems "find"ing a dynamically created child component


Why is a vector space with weak topology a topological vector space?

Does weak topology preserve topological vector space structure?


Give a user permission to another user's folder

Give permission to debian-transmission to write into a www-data directory


Possible to get SMS/text message notification when process ends or is killed?


Prove that $A \triangle B=B\triangle C\implies A=C$

Prove that if $A\triangle B = C\triangle B$, then $A = C$


Wifi not working on Ubuntu 16.04 after just being installed alongside Windows 10

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


PHP code is not being executed, instead code shows on the page


Difference between public static void main(String[] args) and public static void main(String args[])?

Difference between int[] array and int array[]


Computing the gradient of least-squares cost

How to take the gradient of the quadratic form?


How do I move the task bar back to the bottom where it belongs?


Construction Of A Cantor-like set with certain property

Construct a Borel set on R such that it intersect every open interval with non-zero non-"full" measure


Is this ternary conditional ?: correct (Objective) C syntax?


Can a question be migrated to a site on which the user has been manually suspended by a moderator?


Formula - Get sheet name using cell values

How to make a reference to a cell of another sheet, when the sheet name is the value of a cell?


Create multiple users roles and views at the same time

Programmatically create a user and assign a role


How can I disable the Windows 8 charms bar?


Any way to send a personal message to another user?


Is standard deviation always larger than mean deviation?

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


How to simplify return's statement from try-catch


Is $( \mathbb{R} , T)$ connected if T is finite complement topology on $\mathbb{R}$

Show that $X $ is a infinite set ,it is connected in the finite complement topology?


Is this a User Profile page CSS problem?

New profile pages are out - bugs and feedback master list


How to read docx document using Visual C# code


Checking file count for a particular format in a directory in unix


How many hours of sleep “is” or “are” needed?


Xresources / Xdefaults: Period or Asterisk?

"Xterm" or "xterm" in configuration file


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


Why is there a color difference between cycles and Evee in grease pencil?

When importing svg from inkscape, losses of color and definition


Change backcolor of ToolstripSeparator in submenue?

Change the BackColor of the ToolStripSeparator control


What part of speech is "rested" in this sentence?

"He is loved", is 'loved' an adjective or a verb?


It looks like this website is copying Mathematica SE questions automatically

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


Java - How to get current date independent from system date?

Java: Get current Date and Time from Server not System clock


How can I store value in bit in C language

How do you set, clear, and toggle a single bit?


How to get XML file from FTP sever to Salesforce..?

How to send and receive data from Salesforce to a FTP server


Variables are deleted after the session is closed

How do I set a user environment variable? (permanently, not session)


Book about a boy thats transported into a medieval fantasy computer game

Book about a boy that enters a medieval fantasy PC computer game


How can I extend a regex pattern to prevent certain characters in the beginning and in the end?

How to validate an email address using a regular expression?


How to typeset special Apple Mac keyboard symbols?


Control Cycles/Eevee material nodes and material properties using python?


Flip Flop circuit - what is high in relation to?


Printer stopped working after upgrade 16.04 to 18.04


How to determine file version of dll file in Compact Framework 3.5

Programmatically get the version number of a DLL


Is CCD vs CMOS sensor the deciding factor between two budget compact cameras?

What's the difference between CCD and CMOS image sensors?


Drupal add class to body if page is unpublished


Prove that $\cos\frac {2\pi}{7}+ \cos\frac {4\pi}{7}+ \cos\frac {8\pi}{7}=-\frac{1}{2}$

$\sum \cos$ when angles are in arithmetic progression


How to remove yellow circle in edit mode interface?

What is this yellow line with a dot at the end?


How do I remove a grub Partition from my hard drive?


Error when removing elements from std::map

What happens if you call erase() on a map element while iterating from begin to end?


What's the difference between sudo -s , sudo su and su root

What are the differences between "su", "sudo -s", "sudo -i", "sudo su"?


creating and parsing a 3D array in javascript?

Is it possible to create an empty multidimensional array in javascript/jquery?


Locked out of iPhone5 due to "Activation Required" bug

Your iPhone could not be activated because the activation server is temporarily unavailable


How can I get into the C++mode automatically when open .h files?

How to tell emacs to open .h file in C++ mode?


Why am I getting a NoClassDefFoundError in Java?


Change mode and owner for mounted SD card

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


Replicating a PlotGrid without using Resources

Do I have to code each case of this Grid full of plots separately?


Android listView.setOnItemClickListener(this) crash on runing

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


Does $gHg^{-1}\subseteq H$ imply $gHg^{-1}= H$?


Is there a real word to replace "examplary"? (note: not exemplary)

Adjective for serving as a typical example, validity of exemplative


How to undo misclicks while drawing a polygon?