UK visitors visa refused because no proof of ties

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


I received java.lang.NullPointerException in IntelliJ IDEA and TomCat

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


What difference it's making when statically allocated memory for pointer vs dynamically allocated memory for pointer deletion?

Calling delete on variable allocated on the stack


get mac address from an incoming request

How can I get a MAC address from an HTTP request?


java error Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException


foreach in Java: is having the statement which calculates the iterable object worse than having a variable in the loop?


representation of double number with .0 at the end


Proving the product of any # of commutators can be written as an "extended commutator" (commutator of 3+ elements)


I need help to bring following output in SQL Query

Simulating group_concat MySQL function in Microsoft SQL Server 2005?


What is the biggest time dilation an object can have compared with Earth?

Does time pass fastest in isolated, resting space?


Prove that the entire function is constant over certain conditions.


How to substitute two lines in same text files

Find and Replace Inside a Text File from a Bash Command


Can I downgrade my Nexus One from Android 2.3.6 (Gingerbread) to Android 2.2 (Froyo)?


Static Page > Post Page displays data from latest blog post instead of the page details


What is this "PCA-based re-ordering" for a correlation heatmap / correlogram?


How to parse this type of JSON Response in ios?


In Pong, how do you calculate the ball's direction when it bounces off the paddle?


Framing a question whose answer is an ordinal number


Gosper's unusual formula connecting $e$ and $\pi$


Why are you forced to have an empty method to use a method with input parameters?

Why can't we call controllers parameterized methods directly from Visualforce


How do I convert a float number to a whole number in JavaScript?


Compile-time performance difference between if(flag) and if(flag !=0)?

Do you prefer "if (var)" or "if (var != 0)"?


Are the two definitions of a sufficient statistic equivalent?

Is there a difference between Bayesian and Classical sufficiency?


Micro SD card shows wrong capacity and files disappear. Can it be fixed?

Can't format my usb drive. I have already tried with mkdosfs and gparted


If G is a group, prove that $(ab)^n =a^nb^n$ implies G is abelian.

When does $(ab)^n = a^n b^n$ imply a group is abelian?


Ubuntu seems to freeze at the "Updates and other Software" page


In STL maps, is it better to use map::insert than []?


php contact form - emails getting sent to spam

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


Virtual webcam with video4linux2 not available in some videochat services


A strange kick from the penalty mark scored: should a goal be given?

Is it a goal if, during kicks from the penalty mark, the ball goes outside the penalty area and then into the goal?


The "an account" link (displayed with with "add comment") returns a 404

Link to "an account" in "add comment" is dead


What proof will be sufficient for the existence of God?

What can suffice as a scientific proof for God? to what domain can such a proof belong to?


Homeomorphism between $\mathbb{R}$ and $(0,1)$

Is there a bijection between $(0,1)$ and $\mathbb{R}$ that preserves rationality?


Is is possible to convert an image to a tex formula? (Free vs paid)

Possible to Convert Math in Picture into LaTeX? How?


power series expansion and closed solution

Compute $\sum\limits_{n=0}^{\infty}\frac{{x^n}{z^n}}{n\beta + \alpha}$


Why does postgresql differentiate between named and numeric time zone notations?

Oddities with AT TIME ZONE and UTC offsets


How to find out if a paper is diamond/gold/green access?

What is the difference between "Green" and "Gold" Open Access?


How to convert image to Bitmap after it's been cropped?

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


Would it be a Ponzi scheme if I bought stock in a company with no revenues and sold it to someone else for more money?

Does the stock market create any sort of value?


Native Windows Terminal access to Ubuntu PC?

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


Add my own bounty to a question with bounty outstanding


How do I fix a "Problem with MergeList" or "status file could not be parsed" error when trying to do an update?


Why was Skynet so intent on destroying humanity?

Skynet - were AI's actions evidence of Intelligence?


Same strings, but from different sources. How to correctly compare?


How to consistently handle timers' delegate executions and user (Form buttons) actions

Synchronizing a Timers.Timer elapsed method when stopping


java.lang.OutOfMemoryError: PermGen space + java

Dealing with "java.lang.OutOfMemoryError: PermGen space" error


Grub rescue can't write outside of disk "hd0"

Booting Ubuntu Failure : error: attempt to read or write outside of disk 'hd0'


Mathematical induction $3$ and $5$ cent coins


HashSet contains method, strange behavior

When does HashSet 'add' method calls equals?


Wave Nature of Matter in the Macroscopic World

Quantum properties of objects with zero velocity


Variance of the product of correlated normal variables

Variance of product of dependent variables


When should titles like "captain" or "admiral" be capitalized?


Number of sequences length n in which neighboring elements differ by 1

In how many sequences of length $n$, the difference between every 2 adjacent elements is $1$ or $-1$?


Hobo guy doesnt have Emo gloves in south Park: Stick of Truth

How can I make the mean goth kids talk to me and be my friends?


I want to write an algorithm for two circles intersection and touching cases . How can I do it with a quadtratic equation?

How can I find the points at which two circles intersect?


What is the electrostatic potential on the surface of a conducting body?

Why is the conductor an equipotential surface in electrostatics?


What is the difference between a static and a non-static initialization code block


Does $n\mid(a^n-b^n)$ imply $n\mid(a^n-b^n)/(a-b)$?

$n \mid (a^{n}-b^{n}) \ \Longrightarrow$ $n \mid \frac{a^{n}-b^{n}}{a-b}$


Upgrade Ubuntu version with the terminal


cpp - why didn't guardian protect me from multiple definitions?

Repeated Multiple Definition Errors from including same header in multiple cpps


How can I index our internal source code?


passing a method to a method I create in Ruby


How to make a replaceAll function in JavaScript?

How to replace all occurrences of a string in JavaScript?


How am I able to disable a tab from selecting?

How can I disable a tab inside a TabControl?


Why is $ℤ[X]/(X^2-1)$ not isomorphic with $ℤ×ℤ$?

$\mathbb{Z}[X]/(X^2-1)$ is not isomorphic with $\mathbb{Z}\times \mathbb{Z}$


What are the most common pitfalls awaiting new users?


How to use ucwords() php function on entire mysql database?

MySQL - Capitalize first letter of each word, in existing table


A part of my blender render is invisible?


How do I create a desktop entry to launch a Python script?


Login link from codegolf.xyz not working; redirecting to codegolf.xyz/users/https

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


How to sort possibly alphanumeric array in Java?

Sort on a string that may contain a number


Slope of geometry as `fac` input for cycles material


Ratio of coefficients for Laurent series expansions

function with isolated singularity on the unit circle and coefficients of its taylor expansion


Does Python have a ternary conditional operator?


Measurable Set $E$ so that $m(E\cap(a, b)) \gt 0$ for all $a, b \in \mathbb{R} $ and $m(E) \lt \infty$

Construction of a Borel set with positive but not full measure in each interval


How to check if a given PPA or repository is available

How can I check if a PPA has packages for another Ubuntu version?


Need help in computing the p.d.f. of the random variable $F[X]$

Showing that Y has a uniform distribution if Y=F(X) where F is the cdf of continuous X


Blurred frontend text in Mathematica 10, Windows, High-DPI Display


Should trending questions be auto-protected?

Auto-protect questions that get more than N answers from new users in a 24-hour period


Wireframe cube display matrix values Pygame


How do I iterate over the words of a string?


Where are you supposed to put user-specific programs?

Where should a local executable be placed?


Lagrange with Higher Derivatives (Ostrogradsky instability)

What is an intuitive way of understanding Ostrogradsky instability?


What does the [Flags] Enum Attribute mean in C#?


Error running IPython Notebook in Virtualenv

Pelican 3.3 pelican-quickstart error "ValueError: unknown locale: UTF-8"


What are the -Xms and -Xmx parameters when starting JVM?

How is the default max Java heap size determined?


Was there ever a reason for why becoming a super saiyan became easy for the trunks and goten?

How did Goten and Trunks become Super Saiyan so easily?


how to write a batch file that takes an arguement from rightClk-> SendTo folder

How can I pass arguments to a batch file?


Ignore .DS_Store and Icon files in a folder with Cocoa NSFIleManager


Is the shooter's face revealed in the Danish film Jagten?

Who fired the shot and what is the symbolism in firing shot right next to Lucas at the end of the movie?


Excavator and Marshal badges are being awarded over and over


How to compare 2 regression slopes with R?

What test can I use to compare slopes from two or more regression models?


If $z_1,z_2,z_3 \in \mathbb{C}$ and $|z_1|=|z_2|=|z_3|$ and $z_1+z_2+z_3=0$. Prove that $z_1,z_2,z_3$ are points of a equilateral triangle

showing certain vertices form an equilateral triangle


Does low reputation cause the user to have any restrictions?


How to optimal display multiple subdivided objects with one or few clicks?

How do I copy a property from an active object to selected objects?


Find top Stack Overflow users by their technology stack and location

Finding specific users by their location and a tag score


Auto-complete and link @usernames in answers

Is there a shortcode for linking to a user profile in an answer?


How to logout from Skype to relogin under other name?

how to stop auto login on Skype for Android


How can code (reliably) detect a change in itself?

How can I write a program that can detect by itself that it has been changed?


Drawing Multiple Triangles by using Element Buffer

How do I determine the size of my array in C?


How to use manual partitioning during installation?


Why are StackExchange "hot questions" now invisible?

New top bar quick reference guide / Where has the link to  gone?


Random.Next returns always the same values

Random number generator only generating one random number


What is the purpose of double subscripts in variables in first order logic?

Confusion about Satisfiability by a denumerable sequence.


Windows 8 won't boot via GRUB after installing Ubuntu with boot-repair


We've drastically simplified the user deletion process!


Efficient way of finding the first occurrance of a number in a 2D scipy array?

Is there a NumPy function to return the first index of something in an array?


Where should I place my Terraria player and world files?


Differences between looping with an integer or an iterator in C++

Why use iterators instead of array indices?


Number Theory: Complete set of residues modulo $n$


Does int main(void) function have a return 0?


On the equation $\left( x^2+100 \right)^2 = \left( x^3 -100 \right)^3$

How to solve this equation manually: $(x^2+100)^2=(x^3-100)^3$?


What is the recommended header for a table column showing date and time?

How to label Table Header Label Date vs. Date/Time


Where can I learn to use mathematica comprehensively?

Where can I find examples of good Mathematica programming practice?


Preferred order of C++ class fields with respect to memory alignment

How should I order the members of a C++ class?


Add something at the end of every typed command

In Bash, when to alias, when to script, and when to write a function?


Can X11 and Wayland be used at the same time?


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


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


When a particle keeps "accelerating" near the speed of light, is the energy gained expressed in linearly gained impulse, or relativistic mass?

Why is there a controversy on whether mass increases with speed?


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


When attempting to open an application over X11 forwarding over SSH, why is a local instance of the application opening?

Running Firefox in an Ubuntu VM over SSH opens host machine's Firefox


How would you downgrade the sane backend from 1.0.27 to version 1.0.25 in Ubuntu 18.04LTS


What software tools or websites are available for running RPG, grid-based combat?

What software is available for virtual table tops?


Examples of modules such that $M\oplus N_1\simeq M\oplus N_2$, but $N_1\not\simeq N_2$?

Is there a counterexample for the claim: if $A \oplus B\cong A\oplus C$ then $B\cong C$?


How to create Stealth or DMZ Name Server?

Overriding some DNS entries in BIND for internal networks


What is the maximum length of a HTTP cookie in different browsers?

What is the maximum size of a web browser's cookie's key?


How can i mount hard disk partition without deleting files?

Unable to mount Windows (NTFS) filesystem due to hibernation


New users page - reputation sorting incorrect


"a" vs "an" before parenthesis: which indefinite article should I use when adding parentheses before the subject?

"A/An" preceding a parenthetical statement


Proof of identity involving product of binomial coefficients

Alternating sum of binomial coefficients identity


Proving $\tan(\theta_1+\theta_2+\cdots+\theta_n)$ has the form $\frac{S_1-S_3+S_5+\cdots}{1-S_2+S_4+\cdots}$


Bash script did not change the directory as written

Script to change current directory (cd, pwd)


Start bounty on Stackoverflow.com question and got Page Not Found


In SR length contraction, does matter flatten because the space around it flattens or does the structure of the matter flatten?


Resizing a square image to a rectangle with a fixed aspect ratio

Batch script to resize height of all layers to same height but keeping their original aspect ratio


$\|T\|= \sup_{\| f\|=1} |\langle Tf,f \rangle|$ for complex Hilbert spaces


Why can't a Java Generic implement an Interface?

Java generics - why is "extends T" allowed but not "implements T"?


java - list.add overwrites previous objects

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


Why can't anonymous users vote more than once from different browsers/machines?

Does poll not allow multiple anonymous votes?


NullPointer exception when using ImageView.SetImage()

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


Use inclusion-exclusion to find explicit formula for $P(A_k)$. Where is independence used?


Git create branch where detached HEAD is

git: switch branch without detaching head


Let $d\in \mathbb Q$ , to prove $\mathbb Q(\sqrt d) \subseteq \mathbb Q(e^{2i\pi/n})$ for some positive integer $n$ (without Kronecker-Weber)

Square roots of integers and cyclotomic fields


System.QueryException: Inline query has too many rows for direct assignment, use FOR loop


Unable to install new package or update on 14.04 LTS

Can't update because the word prox* is blocked


Why use the javascript function wrapper (added in coffeescript) ".call(this)"


“Three eggs is plenty” Vs. “a number of boys were absent”?

100 apples are/is considered as a large number of apples


How do I prevent the /boot disk space error?

Why doesn't apt-get autoremove remove my old kernels?


Why do some functions in jQuery start with `$.`?


Reading NULL Value from SQL that is a BinaryType in c# from a Datarow

Unable to cast object of type 'System.DBNull' to type 'System.String`


Update two table fields, each with the other value


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


How can I run an extracted binary executable from anywhere like those in /usr/bin?

How to run scripts without typing the full path?


Why is the normal vector to the surface $f$ given by $\text{grad}(f)$?

Why is the gradient of implicit surface the normal vector (i.e. parallel to the normal line)?


What does LNK2019 actually mean? Blackjack project error

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


Python 2.7.14 on Kali Linux: AttributeError: 'module' object has no attribute 'SSL_ST_INIT'

python2 and OpenSSL don't play together on Kali - how to fix?


Does anyone actually wear eyeglasses in Star Wars?


How does "designed for APS-C" affect focal length?

Does my crop sensor camera actually turn my lenses into a longer focal length?


Install packages and dependencies without Internet connection

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


Merging two javascript objects into one?

How can I merge properties of two JavaScript objects dynamically?


What is the difference between installing a software from deb file, and installing it from the software market as snap package?

Why would I want to install a snap if I can install via apt instead?


Why aren't search engines indexing my content?


A number of questions "has been" or "have been" asked?


Badge Icon Bug when Viewing From Other Site

Badge symbol in notification is of the site you're on, not where badge was earned


Why is -(insertion_point - 1) returned by Collections.binarySearch when an element not present and not -insertion_point?

Collections.binarySearch(List list, K key) clarification. Java


Keep only 2 decimals after comma in Java


Green rep change notification doesn't match the actual number in the tab

Discrepancy between the green rep number and the numbers inside


Where can I find the location of folders for installed programs?


How to show text only when hovered over in questions?

Spoiler text doesn't work with numbered lists - Intended behavior? Workaround?


How do I use accurate float arithmetic in Python?

Is floating point arbitrary precision available?


Express a set of non-negative integers in roster notation


Missing Windows 7 when i installed ubuntu 12.4


JAVA: self-declared variable as index of an array

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


How is Schrodinger's model of atom consistent with reference to Maxwell's Theory of Electromagnetic Radiation?

Why don't electrons crash into the nuclei they "orbit"?


If $0 < i < p$, then $p \mid \binom{p}{i}$

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


How to acheive this effect (Rounded Corners & Drop Down Menu)

The most semantic way of making this container


ARM UART0 input output. LPC2138 What am I doing wrong.

ARM Assembly Language uART0 Input Output, What am I doing wrong.


When to use a specific or abstract reference type?

What does it mean to "program to an interface"?


Why can't I join any Minecraft Multiplayer servers?


How do I shut down Ubuntu after it blanks the screen?


Bad accents of "foreign" characters in "native" dialogue

Why is the spoken German in many US films and TV shows so inaccurate?


How can I solve $\int \sqrt{1+x^2}\,dx$?


What's the reason I can't create generic array types in Java?


How does bubble sort compare to selection sort?


How to solve the equation $15x- 16y= 10$

Find the value of $x,y$ for the equation $12x+5y=7$ using number theory .


partial derivatives of a harmonic function are harmonic

Why are partial derivatives of a harmonic function also harmonic?


Creating or adding geometry colunm fails even with postgis enabled


Creating a Black Hole Folder ('Hawking Dimensional') Variant in Linux (Slackware)?

Samba: Write access rights without read access rights possible?


How did the convention of 'multiplying' using $4\times 3$ become $4\cdot 3$?

Why does the symbol for the multiplication operation change shape?


Finding Inorder Successor in Binary Search Tree

In Order Successor in Binary Search Tree


How to prove $\sqrt{1+x} \le 1+\dfrac{x}{2}$, $x > -1$ using MVT

prove inequality through mean value theorem


Controlling the size of a Plot, ListPlot when using Grid view


unable to Convert from DTO to Entity Spring

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


Live Agent Pre Chat Form - popup window size


Connect 2 external monitors (1 VGA + 1 HDMI) to MacBook Pro


The difference between two statements [PUNCTUATION]


How to install PHP from source with latest cURL package on Linux?


How to extract a particular string( email )from a file through php

What is the efficient way to find some pattern in a big text?


How to move sheet within Google Spreadsheeet using apps script


Split string in Lua, save in 2 variables


Awesome papers that were initially rejected?

Is it possible for reviewers to mistakenly reject a quality paper?


Apostrophe (') in BibTeX not visible after compilation?


Find parabola coefficients passing through two known points with given slopes

How to find the equation of a parabola given the tangent equations to two points?


How to export java project as .exe file in IntelliJ IDEA?

How can I convert my Java program to an .exe file?


How to weld together a cube with a cylinder

I need to turn one side of a cylinder into a square a leave the other side round


Math Analysis Question on Continuous Functions

Continuous function positive at a point is positive in a neighborhood of that point


Remove the (1) when saving duplicate files in Google Chrome

Disabling Google Chrome Download auto numbering for existing files


Calculating the difference between two Java date instances


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


Transfer execution control from one class to another in Java?

How do I run JUnit tests from inside my java application?


What are the legal considerations with using spritesheets?


I need to return a variable from a jquery function

How do I return the response from an asynchronous call?


Number of conjugated to (12)(34) in $S_6$ of rank 6

counting the number of elements in a conjugacy class of $S_n$


I don't understand why this NullPointerException is being thrown

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


how to put a VALUE between mysqli_real_escape_string


command to show list all users and date the logged in


Is this currently the only way to have the axes and ticks on top of a plot?


Why can't I click on META when using the latest version of Chrome on Win10?


Can life subsist on anything else but water?


Is there an easy way to print an int without removing leading zeros?

Print leading zeros with C++ output operator?


What will be the value of uninitialized variable?

(Why) is using an uninitialized variable undefined behavior?


How to duplicate only one screen? Ubuntu 18

How can I mirror one of the screens in a 3-monitor setup?


What hardware does Ubuntu Touch support?


How to keep PHP 'View Source' html output clean

How to properly indent PHP/HTML mixed code?


How to view files, created by Linux and programs in /tmp directory?

The number of links for a folder doesn't reflect the real status?


How to add a user from the command line in macOS?

Can user accounts be managed via the command line?


If $f$ is twice derivable at $a$, compute the following limit.

Proof of the second symmetric derivative


Nikon D5100 “Press Shutter Release Button Again” error, but fixing itself after left alone for a while

How do I troubleshoot the "Error, press shutter release button again" message on my Nikon?


What is $\lim\limits_{n\to {\infty}} (\frac{n}{1+n})^n$?

Finding the limit of $\left(\frac{n}{n+1}\right)^n$


What is the use of static synchronized method in java?

Java synchronized static methods: lock on object or class


How to handle data imbalance in classification?

When is unbalanced data really a problem in Machine Learning?


Username alignment issue in the Stack Apps site


How do you get the Broadcom BCM4306 wireless card working?


Problem with UPDATE prepared statement in PHP

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


Absent Code attribute in method that is not native or abstract in class file javax/faces/webapp/FacesServlet error in compilation

How to properly install and configure JSF libraries via Maven?


Blender Not Displaying in or id displaying strangely

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


LiDAR Basics - How classes are determined at LiDAR data?

LiDAR Feature extraction specifications/standards


Help me understand Support Vector Machines


Which one do you want to eat, pizza or noodles? VS What do you want to eat, pizza or noodles?

"Which" vs. "what" — what's the difference and when should you use one or the other?


Error 2019 when declaring a template class constructor in Visual C++

Why can templates only be implemented in the header file?


Package 'vim' has no installation candidate

What does "Package  has no installation candidate" mean?


scanner next() Inputmismatch exception ..used nextLine() after nextInt()


How does the "this" keyword in Javascript act within an object literal?


First name appears in text-citations at specific circumstances

biblatex, authoryear style: In-text citations display first name initials for certain bibliography entries


Java while loop not terminating despite condition being false


iOS 9.3.1 / OS X 10.11.14: Laptop doesn't show up in Airdrop locations on phone


how to open version 2.79 files in version 2.90

Why can't I unhide objects in 2.8 that were hidden in 2.79 blend files?


Challenge delete policy for a question with a low quality answer

Your answer is in another castle: when is an answer not an answer?


Does having negative correlation must also have negative coefficients in linear regression?

Example where a simple correlation coefficient has a sign opposite to that of the corresponding partial correlation coefficient


Find all the integer pairs $(x,y)$ that satisfy the equation $7x^2-40xy+7y^2=(|x-y|+2)^3$

Solutions of bivariate cubic Diophantine equation


How large can integers be in Javascript before roundoff error?

What is JavaScript's highest integer value that a number can go to without losing precision?


Things you've believed for a long time were true, but are false in reality

'Obvious' theorems that are actually false


How to create an array with incremented values in Java?

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


Is the Careers site available on the Stack Exchange app?

Make it possible (more easily discoverable?) to view jobs in iOS app


Can I convert flat bar to drop bars on a hybrid bike


If $p^2\,$is divisible by 3, why is p also divisible by 3?

Show that $3p^2=q^2$ implies $3|p$ and $3|q$


Plotting discontinuous functions without spurious vertical segments


How to copy an object by value, not by reference

How do you make a deep copy of an object?


Questions on PCA: when are PCs independent? why is PCA sensitive to scaling? why are PCs constrained to be orthogonal?


How can I add an application to the Favorites section of the Applications menu in CentOS 7?

How do I add eclipse to my gnome shell favorites?


You are better than he. You are better than him


biblatex custom style no numbering in bibliography

Biblatex enumerating sorted bibliography (using authoryear-ibid style)


How to delete a very strange file from desktop

Delete a file that "does not exist" with a strange name


Is it possible to find the joint distribution of a random vector if only the distribution of scalar many-to-one transformation is known?

Z is a non-linear transform of X. I know the distribution of Z. Is it possible to sample from X?


Automatic base URL not picking up https://

Why don't links use https:// when I access the site using that protocol?


How it is possible rotate a part of 3D tikz picture (like picture) and the bottom area is fix(no rotation)?

how I can draw an skew cylinder (rotate around x axis) and fill it (in 3D tikz)?


What is the intuition behind the name "Flat modules"?


When voting to close and migrate to another site, how can I add another site?

More options when flagging for migration


Is there more to an interface than having the correct methods


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


How to decrypt file in Java encrypted with openssl command using AES?


If $P$ is a prime ideal of $R$ and $X\subseteq P$ then there's a minimal ideal

Existence of minimal prime ideal contained in given prime ideal and containing a given subset


Buttons are wrapping up for me on a particular question

Add a non-breaking space to "reopen (1)" and its ilk


Monitoring traffice from an internet enabled printer

How to monitor traffic passing through my Wi-Fi access point


$ \forall \epsilon \in \mathbb{R}^{*}_{+} , | x -y | < \epsilon \iff x = y $

Prove : $|x - y| \leqslant \epsilon$ $\forall \epsilon > 0$ iff $x = y$


One element of python list changes, causes the whole column elements changed

List of lists changes reflected across sublists unexpectedly


Creating or referencing variables dynamically in Sass


Why we add _ (underscore) before variable name?

Using underscores in Java variables and method names


A calculus problem with functions such that $f''(x) = g(x)$ and $g''(x) = f(x)$


Cannot get lock when running `sudo apt-get update`

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


How to generate a mesh with quadrilateral elements?


Display votes next to comments in User → All Actions → Comments tab

Display the Number of Comment Upvotes In Recent Activity Pages


What topics should I develop complete concepts in before I begin the derivation of GR?


Prove that $SL_2(\mathbb{Z})$ is not perfect

Computing the quotient of SL(2,Z) by its commutator subgroup


Could pp Collisions in the LHC produce Gravitons?

Why can't gravitons be created in traditional particle accelerators?


Can't detect second Monitor DVI Debian Jessie

Installing Debian on Kaby Lake machine: difficulties with X.org


Biblatex defernumbers=true and tabular corrupts bibliography

Bibliography with citations in tabularx and defernumbers=true only prints [0]


I have been working in this app from a youtube video and no error in android studio however when I to lunch the app it crash automatically

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


Getting + installing gcc/g++ 4.9 on Ubuntu?


The set of convergence of a sequence of measurable functions is measurable


No exit stamp on leaving Schengen area from Budapest to UK


How to check if array has some elements same as another array and to pop those elements out of array

Deleting an element from an array in PHP


Can we have the ability to retract a close vote before it closes?


Returning wrong row index in UITableView didSelectRowAtIndexPath

UITableView didSelectRowAtIndexPath: not being called on first tap


How to add actuator, controller and action to series of objects?

Manipulate BGE logic bricks through python


Trigger to check duplicate Phone and Email

Trigger to check for duplicate contacts on lead conversion


Java - instantiate a hashmap from literal value pairs


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


Search all .pdf file present in the Android device


I need to check for dpkg lock before installing apps in a script

How to make a package manager wait if another instance of APT is running?


Change all columns of a certain type for whole database

How to change every nvarchar column to varchar?


Are the hyphens necessary in "hard-to-find" or can they go without?

When should compound words be written as one word, with hyphens, or with spaces?


How to implement an efficient bidirectional hash table?


Getting java.lang.NullPointerException when installed from Play Store, but working fine locally

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


newbie to python: code doesn't see global variable of one type but it does of another

UnboundLocalError on local variable when reassigned after first use


Is $C(\mathbb{R})\subset \mathbb{R}^\mathbb{R}$ measurable?

Generated $\sigma$-algebras with cylinder set doesn't contain the space of continuous functions


list-comprehension throws a RuntimeError

Generator expressions vs. list comprehensions


How to create a Rectangle class in Java?


JFrame.setBackground() not working -- why?


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


How can I switch a 32-bit installation to a 64-bit one?


Show that a ring is a division ring if it satisfies following property

In a ring $(A,+, \cdot)$ if $aba = a$ then $bab = b$ and all non zero elements in $A$ are invertible.


Novel where government trains kids for the army through a VR game

Sci-fi book about a male entering a competition that he wins and gets recruited by millitary


Manually assigning Axes label position in Plot3D


Do I have to put "that is" in this sentence?


How to upgrade Ubuntu to specific version?

How do I upgrade my Ubuntu server from one LTS version to another? Is this safe?


Get the generated SQL statement from a SqlCommand object?


My change password interface is not working on java eclipse web application


How can I find ALL complex roots of $z^4 + 1 = 0$?


Is Ubuntu Desktop compatible with Acer Aspire hardware

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


Is "My dog can run much faster than I" correct?

I can run faster than _____. (1) him (2) he?


How to use multiple whatsapp, paytm, hike and more accounts in an Android phone?

How can I run multiple copies of the same app?


Why can templates only be implemented in the header file?


Irreducibility of $X^{4}-10X^{2}+1$ in $\mathbb{Q} [X]$...

Show that $x^4-10x^2+1$ is irreducible over $\mathbb{Q}$


Sorting linked list as numbers are added

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


“Exception in thread ”AWT-EventQueue-0“ java.lang.NullPointerException”. I have no clue what I'm doing wrong


Spanish to German dictionary on English OS

Spanish to English and English to Spanish dictionary for Dictionary app?


Getting the Facebook creation date of a profile

Facebook API - When user created Facebook account?


Properly print utf8 characters in windows console


Can't display the date correctly in a file generated by a cronjob

How can I execute `date` inside of a cron tab job?


How to fill the heart curve with solid red color?

How do I fill in a circle made by ParametricPlot with one solid color?


Are theoretical questions about programming acceptable that aren't as deep as cstheory?

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


More numbers between $2$ and $4$ than between $2$ and $3$? (I am not a mathematician.)

Explaining Infinite Sets and The Fault in Our Stars


BibTeX loses capitals when creating .bbl file


Using legal mononym only for publications

I have only one name shown in my ID card. How do I write my name (surname) in research paper or article?


How did Planck arrive at the idea that energy is quantized?


Interference at the focus of a convex lens or a concave mirror


Is there a word for four times as much, analogous to once, twice, and thrice?


How do I clear all variables with subscripts?


Intuition for the exponential of a matrix


Can't use my login password for su - postgres in terminal


Event binding on dynamically created elements?


How many integer nonnegative solutions are there to the pair of equations: $ x_1 + x_2 + x_3...+ x_6 = 20 $ and $ x_1 + x_2 + x_3 = 7$.

How many nonnegative integer solutions are there to the pair of equations $x_1+x_2+…+x_6=20$ and $x_1+x_2+x_3=7$?


How to ask a user to answer to my question?

What's the best way to invite a user to answer a question on Stack Overflow?


SQL Injection with database-stored email adresses


Restrict function parameter to allow specific values


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


"hava" tag should probably be renamed to "java"

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


Extract R-square value with R in linear models

pull out p-values and r-squared from a linear regression


Keep text as a block and horizontal fill


Creating PHP File From Another PHP File Inserting Variables

how to write variables value with file_put_contents()?


Is there a Python equivalent of PHP's $_GET[] and $_POST[]?

How are POST and GET variables handled in Python?


Unicode characters suddenly start displaying as boxes in some applications

My Windows 7 has suddenly stopped displaying Unicode symbols


Switch Stack Exchange site's interface to the beta theme


How can I invite a friend to my single player world on Minecraft?

How do I play Minecraft with people online, besides using a server?


Determine if a rails application is started with the `rails server` command?

Detect if application was started as HTTP server or not (rake task, rconsole etc)


Remove words from a list which have recurring characters in Python3

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


Ignore errors in mysql by reading from some MySQL dump

Ignore mysql error messages when executing an sql file


Proving Pascal's Rule : ${{n} \choose {r}}={{n-1} \choose {r-1}}+{{n-1} \choose r}$ when $1\leq r\leq n$


If X be a second countable space and N a base for the topology of X . Show that there is a countable base B for the topology of X such that B ⊂ N.

In a second countable space any base has a countable subset that is still a base


how can I use the CSS selector to solve this

How do I select an element based on the state of another element in the page with CSS?


Force figure placement in text with lstinputlisting

Keeping tables/figures close to where they are mentioned


Ways to circumvent the same-origin policy


Do you capitalise words like 'Liberalism'?

Is "National Socialism" always capitalized?


What is the difference between  in ERB in Rails?


How do I add myself back as a sudo user?


Change float content order depending on its position selected by LaTeX's float mechanism

Formatting floats differently based on placement


Can you help me with my capacity planning?


What are the practical limitations of Asymmetric encryption vs Symmetric encryption?

Why is asymmetric cryptography bad for huge data?


Any alternative to regex email validation?

How to validate an email address in JavaScript


What is PECS (Producer Extends Consumer Super)?


is it possible to attach load event to a DIV using jquery "on" inside a dynamically loaded content

How to dynamically include a html file containing javascript


Move trash icon to bar with function icons

Remove trash icon from GNOME desktop and add to Ubuntu dock


Getting an error while trying sudo apt-get update

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


What is the Visual Studio C# Compiler Doing in a Foreach Loop


Past tense or present tense to describe something that 'happened in the past' but is still true?


pygame.error: File is not a Windows BMP file (python 3.2.3 & pygame 1.9.2a0)

What is a good way to draw images using pygame?


Converting a single String to a Character before pushing it on a stack

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


Does MacOS "load-balance" TCP when more than one interface is available?

How does the Mac choose which connection to use when both Wifi and Ethernet are connected?


Removing Command Bar in Windows 10 File Explorer

How to remove the ribbon and command bar in Windows 10


Under what license is Ubuntu? Can it be legally modified and distributed?


Convert Average of Python List Values to Another List


Comparing two string in Java not giving the expected result


Test if two means are significantly different in R

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


$\mathbb Z^n/\langle (a,...,a) \rangle \cong \mathbb Z^{n-1} \oplus \mathbb Z/\langle a \rangle$


Java confused about == in the overridden equals method


$\gcd(a,b)=1,x^a=y^b\implies x=n^b, y=n^a$ for an integer $n$

$\gcd(a,b)=1, x^a = y^b\Rightarrow x = n^b$, $ y = n^a$ for an integer $n$.


NS records chicken and egg: NS in the domain it's serving


Appending an item to a python list in the declaration statement list = [].append(val) is a NoneType


Filling the client area of a window with client area of internet browser

Embedding an Internet Explorer control - C++ WinAPI


What is the blue wire for on my battery? (samsung galaxy note 10.1)


Ubuntu 14.04 on hp pavillion dm4 will not connect to the internet


Why can't I declare a constant using var in C#?


How to prove $\vec{a} \perp \vec{b}$ when $|\vec{a}-\vec{b}|=|\vec{a}+\vec{b}|$?

Proving $||\vec{a}+\vec{b}|| = ||\vec{a}-\vec{b}|| \iff \vec{a} \perp \vec{b}$


How to find Object's size (including contained objects)

In Java, what is the best way to determine the size of an object?


How can I make the xtick labels of a plot be simple drawings using matplotlib?


How do we know Euclid's sequence always generates a new prime?

Why is Euclid's proof on the infinitude of primes considered a proof?


Don't get the solution of this java NullPointerException

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


Black Holes - behaviour of masses perpendicular to accretion disk

Why does orbiting matter form an accretion disk?


Regex for capturing only till the first find of a char in a Java string

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


Generate data if parameters for population are known

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


How to call a Java method while deploying a WAR

Using special auto start servlet to initialize on startup and share application data


What is the difference between 'what a contrast' and 'such a contrast'?

"What a good news" vs. "such a good news"


Fatal error: Using $this when not in object context in


Why split the  tag when writing it with document.write()?


How would physics explain why I can't un-fold paper?


Health supplements/Vitamins bringing into Malaysia

How do airports differentiate supplements from drugs?


Aliasing a command with special parameters

In Bash, when to alias, when to script, and when to write a function?


The light doesnt going through glass and create a solid shadow and here the link for the file

Why is this glass Cycles material casting solid shadows?


ie9 post request losing query parameters

What happens if the action field in a  has parameters?


How can test write/read to file with EasyMock

How do I unit-test saving file to the disk?


How do photons mediate (or create) a force?


Object reference not set to an instance of an object c# opening new form

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


How to call multiple functions from a single .m matlab file

Calling local functions from command line


If I edit a closed question will it automatically enter the re-open queue?


why uploaded zip file via ftp is smaller then original file?

FTPClient corrupts the images while uploading to ftp server on android?


'Why has it been removed' or 'why it has been removed'?

"Why can't I see?" or "Why I can't see?"?


hiding title bar of JInternalFrame? -java


Device to change which computer the input/output devices are connected to

Share desktop monitor/keyboard/mouse with laptop


A general rule for scaling combat encounters depending on the number of heroes

How to scale down Princes of the Apocalypse for a 3-adventurer party?


Constructing a bijection between $(0,1)$ and $[0,1]$.

How to define a bijection between $(0,1)$ and $(0,1]$?


Why redirection operators from windows prompt create text ignoring line break?


Book recommendation for self study of General relativity


Is there a way to replace the default image-not-loaded-yet browser icon?

jQuery/JavaScript to replace broken images


How to give to a user ability like root with visudo?

Redirecting stdout to a file you don't have write permission on


Configure Apache to recover from mod_python errors

Testing for mysterious load errors in python/django


What's the difference between until and until after?


Using Recursion to Solve Coupon Collector


How can I have a guest session in Ubuntu MATE 18.04?

Guest session stopped working on Ubuntu versions later than 16.04


How to not always calculate value of parameter that might not be used


How do I correct missing departure records?

Couldn't return papers to border officials last time. Should I be afraid when going back to USA?


How do I retain scope when using a callback function with parse.com?

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


A space is Hausdorff iff the diagonal is closed

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


How does a rocket obey Newton's third law?

What is a rocket engine thrusting against in space?


putting current class as return type annotation

How do I type hint a method with the type of the enclosing class?


Define additional math operators to be typeset in roman


How to fix contents of a subsection to be inside not outside of it

How do I ensure that figures appear in the section they're associated with?


Draw a line from x,y with a given angle and length

Finding coordinates after canvas Rotation


Can I use the same client certificate in multiple OpenVPN tunnels to the same server?

Can generated OpenVPN keys be used on multiple clients?


Start Screen session when background programs running

How can I disown a running process and associate it to a new screen shell?


Why do i need to specialize my template class to use it in c++?

Why can templates only be implemented in the header file?


Executing method in fragment after receiving response from Activity

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


How do I reinstall Windows 10 while keeping my dual boot configuration?

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


Why does StackExchange not use scaling (vector) graphics?

Add high-resolution-graphics and / or .svg-icons


"package libmono-security4.0-cil is not ready for configuration" how to make it ready?

How to fix "W: Duplicate sources.list entry"?


How do I replace multiple spaces with a single space in C#?


Getting grid points for DEM purpose that is bounded by surveyor points?


Remove square brackets from bibliography list

Drop brackets around reference item in `natbib`


F# how to extended the generic array type?

How to define a type extension for T[] in F#?


Correct usage of "is" or "are" in this sentence

Agreement in "[Singular Noun] Is/Are [Plural Noun]"?


Minimal polynomial of an algebraic element

Minimal polynomial of $1 + 2^{1/3} + 4^{1/3}$


Does telling students to take notes in high school really help them learn better?

Is there evidence that suggests students should take notes?


How can I understand passing an object and changing it in a function in Javascript?

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


How to send HTML email using linux command line


Position, velocity, acceleration, jolt, and

Physical intuition for higher order derivatives


GetProcAddress returns 0 For All Functions

GetProcAddress returning NULL for RegDeleteKeyEx


How to handle duplicate question, where it's on different Stack Exchange sites?

What should we do about *identical* cross-site duplicates? (i.e., copy-and-paste cross-posting)


Javascript: wait until ajax request finishes to close page

JavaScript, browsers, window close - send an AJAX request or run a script on window closing


How do wizards learn new spells in Harry Potter?

What was so tough about learning spells?


How to validate an email address using a regular expression?


Java String format issue. two elements after a dot

How to round a number to n decimal places in Java


Lost my data because of uninstalling the game

How do I recover my old Clash of Clans (COC) game save & base?


I tried dual booting Windows 10 and Ubuntu 18.04 and accidentally deleted Windows

Partitions disappeared after power loss while installing


Link [tag:some_tag] to another Stack Exchange site

tag:* links incorrectly when using Save And Copy Profile To All Stack Exchange Accounts


Why does pressing the flag button make you fail an audit?


What makes water condense on the interior of the windows at night when it's cold?

How do I prevent condensation on my balcony windows?


Plural or singular verb when plural subject is separated by an "and"?


Keep a user's identicon profile picture consistent


Product of three consecutive positive integers is never a perfect power


Find the number of combinations such that sum of N numbers equals to M

How to use stars and bars for solving number of integral solutions to an equality?


Is this approximation for a factorial a known formula?

Proof of Stirling's Formula using Trapezoid rule and Wallis Product


Area 51 login is borked with SE openID ("unable to login with your openID provider")


How about recently viewed question in Stack Overflow?

Personal history of recently viewed questions?


Decode JSON Object in C# without prior knowledge of type

Deserialize JSON into C# dynamic object?


Would a company take a game pitch seriously if they were pitched a fully finished game?

How does someone go about selling a game or making a royalties deal with Nintendo(or Pokemon Company)?


Regression coefficients have a different sign for highly correlated predictors


Javascript - What is the difference between self-invoking and the normal function invocation?


If multiple hashing algorithms are chained together, is the compound hash function more collision resistant?

Guarding against cryptanalytic breakthroughs: combining multiple hash functions


Why is the doctor always the last timelord, when the other Timelords can also travel trough time?

Why doesn't the Doctor go back to Gallifrey before the Time War?


Masking footage over 3d objects in Blender 2.8+?


Changing console font on Ubuntu 10.04 Server


Stop inserting invisible characters into comments

Occasionally, the Unicode character sequence U+200C U+200B (ZWNJ ZWSP) is inserted into comments


C++ 'function style' class initialization

Is there a difference between copy initialization and direct initialization?


Random questions in the "newest" tab come with background colour

Why some questions have yellow background when I am viewing under my interesting tag?


Short story ID: Scientists (?) trying to prevent people from entering a cave (?) and never coming out again

Story about living planet linked to skin lesions


Is it possible to know which aircraft will fly just from booking flights?

How can I know about the type of the airplane before booking


Given a Fibonacci number, find what number in the sequence it is

How can I find an inverse to the Binet formula?


Is there a boxplot variant for Poisson distributed data?


Geolocation distance SQL from a cities table

Calculate distance between 2 GPS coordinates


List of lists changes reflected across sublists unexpectedly


Should graduate students peer-review papers?

When should a graduate student accept a peer-review request?


Unknown ssh connections found in lsof -i has my server been compromised?

How do I deal with a compromised server?


NAS share isn't working since update 20.04

Can no longer access NAS on clean install of 20.04


Why doesn't House Baratheon/House Durrandon have a Valyrian Steel Blade?

Why do these five powerful houses not possess Valyrian Steel Swords?


Windows Explorer is crashing whenever I open Control Panel

How to detect the cause of what causes Windows Explorer to crash?


Querying foreign table with SP-GiST index results in "ERROR: cache lookup failed for type 0"

Automatic vacuum fails with `ERROR: XX000: cache lookup failed for type 0`


How to exclude a specific string constant?

Regular expression to match a line that doesn't contain a word


All definite integrals evaluate to 0 using periodic functions.

Why doesn't every integral from 0 to $2\pi$ equal zero?


Find Max Value for each month for the last 3 months, properly


How to prove equality of the cardinality two sets?

The intervals $(2,4)$ and $(-1,17)$ have the same cardinality


Difference between full frame and crop sensors, with regard to zooming

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


How to compress the directory and its contents


How to initialize an array in the constructor?

How do I call one constructor from another in Java?


passing data from a public method to a private method error

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


How do I make a word possessive when there are words after it before the object?

"The queen of England's crown" or "The queen's of England crown"?


my objects glitch through plane when i try to make them particals

Why are the objects in my hair particle system not sitting on top of the ground?


Unable to update variable value inside setInterval

What is the scope of variables in JavaScript?


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


how to call javascript function from managed bean?

Calling a JavaScript function from managed bean


Why didn't Voldemort try to get a Time-Turner?

Why Couldn't a Time Turner Have been Used to Stop Voldemort?


Is It Possible To Move The Earth In A Direction?


Ubuntu 32-bit or 64-bit for AMD E1-1200 processor

What are the differences between 32-bit and 64-bit, and which should I choose?


How to write a regex that prevents partial matching


How does a wand choose its new owner if the wand was created for the owner?


Where is Java Type Erasure. Why the codes decompiled from the .class file are exactly same to codes in java source codes

Java generics type erasure: when and what happens?


Why does XMLHttpRequest() not see external variables?


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


How do I get Windows 10 Start Menu to tree all the folders?


How to test whether $R^2 \geq c$ where $c \neq 0$?

Formula for 95% confidence interval for $R^2$


Difference between a += 10 and a = a + 10 in java?

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


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


Make the dock show only the apps running in the current space


Is it possible to prove a null hypothesis?


Door closer for a door that is not leveled to the wall.

How to make the door shut on its own after opening?


How to put table of contents at the beginning of each chapter?

List sections of chapter at beginning of that chapter


How to translate custom labels into other(sweedish, german,.......) languages?

need to make salesforce app available in multiple language


can someone explain this exim mainlog lines?

Fighting Spam - What can I do as an: Email Administrator, Domain Owner, or User?


The topologies on X defined by d and d' respectively are the same

How can I show these two metrics give the same topology?


Find all changesets in named branch where file "X" was modified (including merges)

How do I find the merge that moved my changeset to another branch?


Random number generator only generating one random number


Old science fiction short story about a man controlled by electrical devices in his home

Story identification: Old man has hacker neighbor who mysteriously dies


Why is there a for(;;); preamble in facebooks JSON responses?

Why does Google prepend while(1); to their JSON responses?


How do I resolve unmet dependencies after adding a PPA?


Putting Cross-references in the PDF Outline

\cref inside a heading breaks PDF bookmark


Freeze First Column of Sharepoint online List view using Jquery/javascript

Freeze first column in SharePoint List View?


Function with poles in $z=-n$ and residue $n$

Find a meromorphic function $f$ with poles at $\dots,-3,-2,-1$


Let $x \in \mathbb{N}$ and let $p$ be a prime divisor of $x^4+x^3+x^2+x+1$, prove that $p = 5$ or $p \equiv 1 \mod{5}$

Show that any prime divisor of $x^4+x^3+x^2+x+1$, with $x\in\mathbb{N}$, is $5$ or $1$ mod $5$


What is the JavaScript equivalent of var_dump or print_r in PHP?

Is there an equivalent for var_dump (PHP) in Javascript?


Is this how properties are declared behind the scenes?

What equivalent code is synthesized for a declared property?


Is $\mathbb R-\mathbb Q$ open or closed?

Are the rationals a closed or open set in $\mathbb{R}$?


Does a sub-panel in an outbuilding require a ground wire or rod?

How to properly ground a subpanel in detached building?


Default ASP.NET MVC 2 web pages do not work in IE6

IE6 using Multiple IEs doesn't let me edit textboxes


I tried to use the software updater but it doesn't give the upgrade option

Update manager doesn't offer an upgrade to the new release


How to validate an email address using a regular expression?


Determine if a Url is absolute or relative from vb


What is the difference between 'git pull' and 'git fetch'?


Prove multiplicative inverses in reduced residue system

If $q$ is coprime to $a$ then $a\mid nq-1,\,$ so $q$ is invertible mod $a$


Convert special character (i.e. Umlaut) to most likely representation in ascii

PHP: Replace umlauts with closest 7-bit ASCII equivalent in an UTF-8 string


My bash script locks the file while Java needs to read it

How do I use Java to read from a file that is actively being written to?


Is it possible to use NBT tags in commands in Minecraft: Bedrock Edition?


Why is a TV station scrambling dirty words when it created the series themselves?

Why does The Magicians include so much un-airable dialogue?


Proving the existence of an integer $n$ such that $2^n=123456789...$


How to solve TLS handshake failed error?

apt update: Could not handshake: An unexpected TLS packet was received


Expected value of visits in a state of a discrete Markov chain

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


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


Do I center an already transformed variable?

When conducting multiple regression, when should you center your predictor variables & when should you standardize them?


Why my binding does not update on UIElement.RenderSize or UIElement.ActualWidth?


Algorithm to factorize $N$ given $N$, $e$, $d$

RSA: Is possible get p and q from this d and n?


Regex to get string between curly braces


Omission of "the" in "elected him president" and "made captain"


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


Is it true that if $f$ is surjective from $A$ to $B$ then there is an injective function $g$ from $B$ to $A$?

Prove that "injective function $f:X\to Y$ exists" and "surjective function $g:Y\to X$ exists" is logically equivalent.


What I supposed to do with a "possibly" correct answers?


Identifying the center of the dihedral group of order $2n$


full time or full-time, what is the rule here

When should compound words be written as one word, with hyphens, or with spaces?


how do I convert unix string to proper datetime format in python

How do I parse an ISO 8601-formatted date?


Upgrade Mysql old password to new version

How to upgrade from MySQL old passwords to new Password system


Mathematically, what are the drawbacks of R-squared in evaluation a regression model?


Change time format in Krusader on Ubuntu

Date & time format in Krusader - is it changeable at all?


Suppose $f \geq 0$, if continuous on [a,b] and $\int_{a}^{b} f(x)dx=0$. Prove that $f(x)=0$ for all $x\in [a,b]$.

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


Rotate marker symbols individually in QGIS

Rotating symbols per attribute value in QGIS?


Ubuntu 18.04 install on an old Intel motherboard

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


a way to randomly cleave and break an object

Creating lots of random cuts on a surface


Proving $A^{B\cup C} \sim A^B\times A^C$

Let $A,B,C$ be sets, and $B \cap C=\emptyset$. Show $|A^{B \cup C}|=|A^B \times A^C|$


Set timeout always 10 seconds for remoteFunction

remote action function encountering CPU time out limit exception


Orbit followed by a particle around Schwarzschild Black Hole


What was Lupin's job before Prisoner of Azkaban?


Did Peter Pettigrew need the wand to transform back into a rat?


Why using vague (or noninformative) priors?

Why would someone use a Bayesian approach with a 'noninformative' improper prior instead of the classical approach?


If $(a,b)=1$ and $(\frac{a}{b})^m=n$ then show $b=1$

How to prove: if $a,b \in \mathbb N$, then $a^{1/b}$ is an integer or an irrational number?


My one year old son doesn't want to eat. What happened to my son?


Change Lable (Name of countries) according to Attribute values ArcMap

How to create label with variable size in ArcMap?


Why does parseInt yield NaN with Array#map?


FileUpload: DeferredFileOutputStream class not found?

How to solve this java.lang.NoClassDefFoundError: org/apache/commons/io/output/DeferredFileOutputStream?


Having Schengen visa for Germany. Transiting through Paris is possible without having transit visa?

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


$\Delta U = n C_v \Delta T $ non-constant volume


Scorching Ray as an attack of opportunity from War Caster

Can high level Eldritch blast be used with War Caster?


jQuery hover over picture with two sides

Change the image source on rollover using jQuery


How to prevent the creation of annoying .DS_Store files?

Is there a way to prevent those pesky .DS_Store files from being ever created?


HTML - Newline char in DIV content editable?


How do I remove duplicate elements in an arraylist while keeping track of the number of duplicates? JAVA

How do I remove repeated elements from ArrayList?


What is the difference between $Z/(4)$ and the field $F4$?

The ring $ℤ/nℤ$ is a field if and only if $n$ is prime


Which configuration management tool has the best Windows support?

What tool can I use to manage the configuration of my Windows Server environments


How to prove that if each element of group is inverse to itself then group commutative?


using curly braces to run multiple commands that have spaces

Why doesn't systemctl\ {restart,status}\ sshd\; work?


Can I install ubuntu 14.04 32-bit on an older desktop with 1gb RAM?

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


How many stickers do I need to complete my FIFA Panini album?


What are the light blue lines on my imported objects


Regex not matching tab chars before end of string

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


Using JavaScript's map with an object's methods

Can't use String#trim as a callback for Array#map


Iterate Through All Combinations of Features by Selection in ArcGIS Python Script


How to create/write file under /usr in OS X 10.11

How do I disable System Integrity Protection (SIP) AKA "rootless" on macOs [OS X]


Does Light (EM Signal) undergo accelration during reflection?

What happens when a photon hits a mirror?


Is my GPA good enough for top-tier graduate schools?

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


Story or theory about us people ultimately becoming god

Short story about if you die you are reborn as someone else in a different time


How to make use of flight tickets to Prague when I can't apply for a Schengen visa

If I have Schengen visa, can I enter Schengen area from different country?


Concept of "none" in the English language


How to centrally administer Ubuntu servers

What are the options for managing multiple Ubuntu installations together and keeping them in same state


Full model significant but insignificant predictors (NO COLLINEARITY)

Why is it possible to get significant F statistic (p<.001) but non-significant regressor t-tests?


How to create a delay in Minecraft without repeaters?

How do I create a very long delay with Redstone?


How to return the number of dimensions of a (Variant) variable passed to it in VBA

How to find the number of dimensions that an array has?


What is the recommended viewing order for young first-timers to watch Star Trek TV episodes and movies?


Linux's command line behaviour (Ubunto/Deb) in running an executable file

Why do we use "./" (dot slash) to execute a file in Linux/UNIX?


Support for Wireless Network Interface PCI Cards as of now?

A well-supported wireless PCI adapter for Ubuntu 12.04?


df not recognizing partition being resized?

How do I resize partitions and filesystems on them?


Preventing Brute Force Logins on Websites


Interpreting summary function for lm model in R


Are split infinitives grammatically incorrect, or are they valid constructs?


Separate long math text under sum symbol into different lines?


Convert atan2 value to standard 360-degree-system value

How does atan2 work when getting angle of a vector?


What is the Auto-Alignment Shortcut Key in Eclipse?


Why using a power adaptor with mismatched current rating will not damage an electronic device?

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


Are the Magic Items Compendium and Spell Compendium both 3.5e?

How do you tell if a D&D book is 3.0 or 3.5?


The method returns null pointer exception the null pinter is from serialized objects, I couldn't figure out the error yet

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


How to earn reputation on an established stack?


How can I modify labels in default wordpress registration form?


Object reference not set to an instance of object when using a List in C#

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


How to translate Package overview url to apt-add-repository command

How do I enable the "Universe" repository?


What is the difference between "lay" and "lie"?


What causes the 'Connection Refused' message?


Maximum value of $\sin (x)\;\sin (2x)\;\sin (3x)$

Prove that $\sin x \cdot \sin (2x) \cdot \sin(3x) < \tfrac{9}{16}$ for all $x$


Finding the curvature and normal vector for an arclength curve


Using global variable inside a python function

UnboundLocalError on local variable when reassigned after first use


I failed to safely eject my USB drive and data became invisible… how do I get it back?

Recover Partition Table for exFAT Partition


"Problem executing scripts APT::Update::Post-Invoke-Success" and dependency errors, bad interpreter etc

What is the correct output of cat /etc/apt/sources.list?


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


Which version is correct: "I didn't know" or "I didn't knew"?


How can I pull from remote Git repository and override the changes in my local repository?

Reset local repository branch to be just like remote repository HEAD


Keep a PHP script running indefinitely on a Web Server

Using nohup to keep a script running indefinitely


How to list all folders and files recursively?


Is there a way to zip a plain text file from a String in java?

In Java: How to zip file from byte[] array?


setTimeout in for-loop does not print consecutive values


Gaussian-like integral : $\int_0^{\infty} e^{-x^2} \cos( a x) \ \mathrm{d}x$


Unable to change email address in account preferences.

Show unconfirmed email addresses in the preferences tab


Create a (maybe nested) list of nminimize solutions in a loop

Creating a table/Matrix during a For loop


Let $H$ is a subgroup of $G$ and the index of $G\backslash H$ is 2. Prove that $H$ is a normal subgroup of $G$.


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


Rendering extra 100px outside specified resolution and cropping down for final output?

Objects, shadows and reflections not rendering in EEVEE


running scripts that have sudo in it as sudo at startup?


Can I upgrade cmd.exe on Windows 8.1 to the Windows 10 version?

Is it possible to run the Windows 10 Command prompt on Windows 7?


Should I download the 32-bit version or the 64-bit version of Ubuntu?

What are the differences between 32-bit and 64-bit, and which should I choose?


Need help solving - $ \int (\sin 101x) \cdot\sin^{99}x\,dx $


Do creatures of the same type go on the same turn?

How do creatures moving on the same initiative handle the effects of Sleep and Hypnotic Pattern?


Installing Windows x64 on 32-bit UEFI (EFI-IA32) via GRUB

Possible to install 64-bit Windows on 32-bit UEFI?


How to apply XSLT 2.0 transformations in .net?


How do I run MikTeX update wizard on Windows 8?

How should one maintain and update a MiKTeX installation?


Is it smart to replace boost::thread and boost::mutex with c++11 equivalents?


Can I exchange 'not better' and 'no better'?


When should compound words be written as one word, with hyphens, or with spaces?


Punctuation for multiple questions in one sentence


Setting PDO/MySQL LIMIT with Named Placeholders

How can I pass an array of PDO parameters yet still specify their types?


How to use memoir environment to set a motto for a chapter?

"Inspirational" quote at start of chapter


How do you disable and remove the Windows Defender service permanently - kills battery life and performance running?

How to turn off Windows Defender permanently


Java - Convert byte[] to String without knowing the character encoding

Guessing the encoding of text represented as byte[] in Java


Unable to INSERT data into MySQL through HTML form using PHP


Why does the SE Web app and Android app display different scores for Tags?

Tag score calculation wrong in Android App


Python QtCore.Object Baseclass inheritance

What does 'super' do in Python? - difference between super().__init__() and explicit superclass __init__()


How to plot stacked bar plot inside table?


How can one differentiate between "who" and "whom"?


Computing rotation index of $(\cos t, \sin(3t))$

Finding the Total Curvature of Plane Curves


How to draw a curly R symbol if can't be found available in packages and available symbols


My MacBook Pro OS X Version 10.10 keeps crashing ~ HELP!

Constant kernel GPU panics (GPUPanic.cpp:127) on mid-2010 MacBook Pro (6,2)


Is there a way to tell if LaTeX knows how to hyphenate a word?

Display hyphenation options for a specific word


What do brackets around a levelspec option do?


Is it possible to typeset cyrillic characters as vector graphics?


Confused with selecting data from db in mysql

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


Python is not showing floating decimals correctly

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


Ubuntu 14.04 LTS black screen after boot

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


"To get something done" versus "to have something done"?

Why do 'get' and 'have' work similarly in 'get/have sth done" but differently in 'get sb to do sth' and 'have sb do sth'


How do you forcefully remove apps in Windows 10?


Is it possible for Perl to preserve case in a substitution?

How to replace string and preserve its uppercase/lowercase


Jeddah - Costa Rica then return via Costa Rica - Madrid - Jeddah, will I need a visa for Spain?

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


How can I add an empty directory to a Git repository?


Why do roads appear wet on hot days? I do not understand

Why does the road look like it's wet on hot days?


Efficient by-element updates to SparseArrays


How to install with Wubi when it says "Could not retrieve the required disk image files"?


Problem with packages subfiles and import.sty after using TexLive Utility for updating


Prove $n \choose m$ is divisible by n when $\gcd(m,n)=1$

How can we prove that a binomial coefficient $n\choose m$is divisible by the ratio of $n$ and $\gcd(n,m)$?


Set a Custom Label for App Builder Lightning Component


What is the meaning of public static void main(String[] args)?

Difference between int[] array and int array[]


Are the "Lord of the Rings" and "The Hobbit" movies connected someway?

What is the best order to watch LotR/Hobbit franchise?


Procuring both F-1 and B-1 at the same time

As an Indian citizen, can I apply and have both a B1 and F1 visa?


Do different versions of the same feat stack?

Can I double a single spell attack's range multiple times by taking multiple versions of the Spell Sniper feat?


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


Is it possible to target Chrome only, not all Webkit powered browsers?


Using Manipulate with predefined expressions


Multiple equations in square bracket matrix

What's the best way make an "augmented" coefficient matrix?


Return a randomly generated sorted Array as a String. HOW?

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


Is there a way to run lyx code in terminal?

How to use LyX to create PDF file from the command line


ArrayList is null when returned from function

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


Why do links I paste to xterm get turned into regexes?

paste url into terminal(urxvt, zsh) failed, some characters get escaped


How to make some value sliders of a node in a node group display on the group node

How to force a node group input field to display a slider?


Test hypothesis point process is Poisson


Will a 2A 12VDC PSU harm a 3A OnHub wifi Access point?

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


Why there isn't a way to raise a spam flag on SE blogs?


Firefox Clear Search Terms When Tab Closed

Is it possible to automatically empty the firefox search bar?


Blank Screen while upgrading 19.04 to 19.10


Hyper-V File Server Clustering - at my wit’s end

Just a few questions about Hyper-V virtual machines and clustering


How to make this floating table fixed in corrent way?

Keeping tables/figures close to where they are mentioned


Is there a Windows exe that does nothing?


Difference between LinkedList and Deque in Java

What does it mean to "program to an interface"?


Difference between javascript Iffy structure

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


String s=new String("Rohit"); Does this statement creates an object in heap only or it makes an entry in string pool as well?

What is the difference between "text" and new String("text")?


Can I Specify who the Help Action helps?

Do I choose the target or the ally for the Help action?


Wirtinger derivatives and Cauchy integral

Show that $\lim_{r\to 0} \frac{1}{r^2}\int_{C_{r}}f(z)dz = 2 \pi i\frac{\partial f}{\partial \bar{z}}(z_0)$


How does one reference theorem names in a section title in the amsbook class?

Reference undefined in \section with amsbook


New instance every time while using ubuntu 20.04 in a bootable pendrive

How is it easier to make a persistent live drive with Ubuntu 19.10?


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


Why time slows only for moving object and not stationary observer? How the "stationary" & "moving" are decided?

How is the classical twin paradox resolved?


Why does this proof that the set of all finite subsets of N is a countable set not work for the set of all subsets of N?

Show that the set of all finite subsets of $\mathbb{N}$ is countable.


Detecting state of LED to control another circuit


How do I install manually a package instead using yum

CentOS: How to install libyaml-devel from source?


Determining if a variable is within range?


Showing only point markers when labels are shown in QGIS?


If overfitting occurs, what should i focus more?

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


How many 5-cards poker hands are there containing at least 3 of the 4 suits?


Solve does not terminate when I give it my equations


When I try to break a block it opens the game menu


Upgrade Spotify (spotify-client) on ubuntu 14.04

How to get the native version of Spotify running?


Usage of Reactive Extensions in the "Real World"


How does RStudio 'lm' know my data is a polynomial equation?

Understanding the shape of confidence interval for polynomial regression (MLR)


Create Object in Specific loaction in Array Powershell

Adding element at specified index location in an array. Powershell


Bijection between derangements and good permutations


Where is it appropriate to post about a new Linux software utility that I want some feedback about?

Give each site a parallel site for polling, recommendations and subjective-ish stuff


What is the best way to edit default article layout in communities?

modifying napili community template lightning components


How to retrieve the android sdk version?

Retrieving Android API version programmatically


Subject-verb agreement in questions that start with wh- words

"Who is Lisa friends with?" or "Who are Lisa friends with?"


The Flash - Why didn't any meta-humans attack before Barry awakening?


HashMap.containsKey(s.charAt(i)) evaluates to true but map.get(s.charAt(i)) results in Null Pointer Exception?

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


Why can't I flag a comment that I upvoted but that has outlived its purpose?

Allow flagging a comment after upvoting it


Time series: Getting from monthly to semi-annually data by summing - how to determine the forecast interval?

Forecast total for a year given monthly time series


Why divide the learning rate by the size of the mini batch?

Mean or sum of gradients for weight updates in SGD


Windows 10/ Ubuntu dual boot suddenly doesn't give option to boot into ububtu

Dual-boot boot menu does not show up after installing Ubuntu 15.10 alongside Windows 10


How to serve wp-includes javascripts from CDN?

Serving wp-includes (front-end) javascript from a different domain?


Confused about language and words in logic


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


Set alias with quotes and double quotes in command

bash alias command with both single and double quotes


Calling Custom Writers Within Instance Methods: Why is self not implicit?

Why do Ruby setters need "self." qualification within the class?


Send HTTP request and receive HTTP response using javascript

Ways to circumvent the same-origin policy


How to create tag type of label in Cad Eagle?

How to create "wireless" networks in Eagle Cad


Saving a mesh from a frame in a cloth simulation?

How to "freeze" a cloth animation at X frame?


Please help me to fix my bread to be more soft and smaller hole


How to add CheckBox on beginning of ListView


How to install mods for the new Minecraft launcher


If a commander becomes a colorless forest, is it still a commander?

Can my commander ever not be my commander?


Show the number of question views in the iOS app


consider a square of side length $x$, find the area of the region which contains the points which are closer to its centre than the sides.

Probablility of a dart landing closer to the center than the edge of a square dartboard?


Word for a mind apt to seeing double entendres

What is a good word to describe someone who is empathetic, quick, and witty in conversation


Close button in review queue not working when viewing duplicate

In the close vote review queue, when you switch to look at a duplicate question, the close button is broken


How do I burn the Windows 10 ISO to a USB?


Why $\langle 1,0\rangle$ is a limit point of the subset $x\times 0$ fo the ordered square?

Finding the closure of some subsets of the ordered square


Error message when trying to upload file to chat


How do you clone a Git repository into a specific folder?


HP OfficeJet Pro 6978 won't print with Ubuntu 20.04

HPLIP Driver install fails on Ubuntu 20.04


How to P/Invoke SetFileTime with null parameters?

How do I handle null or optional DLL struct parameters


Why does light bend when it goes from one medium to another?

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


How does the law of conservation of energy explain magnetism?


Devise a strategy for coin toss among three players


Why are the normals of this primitive circle pointing upwards, and how to reset them?


My monitor doesn't want to display Ubuntu. What's going on?

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


Are Blanks, Spaces, and tabs part of a string?

Posix Character Sets difference between [[:blank:]] and [[:space:]]?


If $3n+1$ is a perfect square where $n$ is a positive integer greater than $1$. Then how to prove that $n+1$ would be sum of $3$ perfect squares?

If $n$ is a positive integer greater than 1 such that $3n+1$ is perfect square, then show that $n+1$ is the sum of three perfect squares.


wp8:Cannot find System.Drawing.dll in reference

Conversion from image to base64, System.drawing.image


Do you receive Trading Cards at set intervals?


How do I split a multi-line string into multiple lines?


Is there any reason why recursive list comprehension is prohibited (or not recommended) in Python?


Why do some commands require su instead of just sudo to do?

`sudo echo "bla" >> /etc/sysctl.conf` permission denied


Are German "Dr.med." and USA PhD equivalent?

How can one differentiate between Dr. (PhD) and Dr. (MD or DO)?


Simulation of photodiode in Micro-CAP 12

Is it possible to model a PIN InGasAS photodiode in a SPICE simulator?


Solve functional equation $(x+y)(f(x)-f(y))=f(x^2)-f(y^2)$

Find all functions $f$ such that $(x+y)f(x)+f(y^2)=(x+y)f(y)+f(x^2)$


Prove that $ \lim_{h\to0}\intop_{a}^{b}|f\left(x+h\right)-f\left(x\right)|dx=0 $

If $f$ is integrable in $[a-1,b+1]$, then prove that $\lim \limits_{h\to 0} \ \int_{a}^{b}|f(x+h)-f(x)| ~ dx=0$


Converting 12-hour time to 24-hour time using Field Calculator


Google CDN Url for the Full featured CKEditor?


Partial derivative of $v$ w.r.t. $x$ in Lagrangian dynamics


Event binding on dynamically created elements?


Is it possible to see an infinite distance in a vacuum, or is this prevented by dispersion?

Photons from stars--how do they fill in such large angular distances?


Definite Integration prove max of $f'(x)\ge \text{something should go here}$


Command line tool to extract lines from a text file


Why a high voltage AC always present in SMPS AC to DC power adapters


Cannot import class from local modules in python


Duplicate Google Sheets' protected cells


How to prove the identity $\sum_{n=1}^{\infty} \dfrac{{H_{n}}^2}{n^2} = \dfrac{17}{360} {\pi}^4$?


How to resize the view of specific software

Is it possible to scale specific apps on Windows 10?


Star Trek TNG discrepancies with things leaving the holodeck

Why can some holodeck matter leave the holodeck, while other holodeck matter (notably people) cannot?


How to use PrimeFaces p:fileUpload? Listener method is never invoked or UploadedFile is null / throws an error / not usable


how to make a html iframe 100% width and height?

Full-screen iframe with a height of 100%


How to add the cross vertical line in two column table

Vertical table lines are discontinuous with booktabs


MEDIATEK Corp. MT7630e 802.11bgn: recipe for target 'dkms' failed

How do I get Mediatek MT7630E 802.11bgn Wi-Fi Adapter working?


How to open same document as duplicate window in Photoshop

In Photoshop, how can I open up a view (in the same window) with another zoom level?


Finding values that aren't in an array in matlab/octave


How to change subitem bullets from square to minus in Beamer?

Beamer: Change only several bullets in the list


Minimize programs as an icon to the desktop

Can I minimize a window into a box on Unity?


mysql_real_escape_string() function for $user In PhP script, swears demanding to do how to fix it?


sudo apt-get update error: Wrong sources.list entry or malformed file

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


How can I implement object oriented programming in Mathematica?


How can I use parameterized PHP PDO to drop a MySQL event?

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


How can I play a custom sound when my battery is low?


Is it necessary that if we concider a system then always work done by internal forces would be equal to zero?


Change parent div on input[type=checkbox]:checked with css

if checkbox checked add class to parent element


How can I pre-compress files with mod_deflate in Apache 2.x?


What are neutral density filters and how do I use them to create long exposures in daylight?


HTTP Status 405 - HTTP method POST is not supported by this URL java servlet

HTTP Status 405 - HTTP method is not supported by this URL


Why i have a NullPointerException when i set Calendar.getInstance() in a attribute of model?

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


Why are topologies that give different limits nonequivalent?

Given two equivalent norms, convergence in one implies convergences in other.


javascript doesn't work on html elements from an included html file

Event binding on dynamically created elements?


Single theorem adaptive vs non-adaptive non-interactive zero-knowledge proofs

Can we use non-adaptive zero-knowledge proof in group signatures


Multiple regression with 2 correlated variables

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


Merge Rows with changing time values to latest time in SQL

Simulating group_concat MySQL function in Microsoft SQL Server 2005?


Can anyone identify the LaTeX font in this expression?

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


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


Is there a code snippet in Visual Studio community IDE?

Code snippets for methods in Visual Studio


What is the history of adding the a- prefix to form words?


Find value of $ S = \sum_{n=0}^{\infty} \frac{1}{n!(n+2)} $

How to find sum of power series $\sum_{n=0}^\infty\frac{1}{n!(n+2)}$ by differentiation and integration?


How can you include a script defined in a variable?

How Can I Expand A Tilde ~ As Part Of A Variable?


Event binding on dynamically created elements?


Why two-dimensional presentation of data called "table"?

Does the word "table" have anything to do with a table?


Why do I not have the 5/5 for the Curious badge?

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


Assistance with: SQL Server detected a logical consistency-based I/O error

SQL Server detected a logical consistency-based I/O error: incorrect pageid on RESTORE


android.widget.TextView.getText() on a null object reference

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


Is the least inaccessible cardinal equivalent to the first aleph fixed point?

Fixed point, union of $\aleph_0, \aleph_{\aleph_0},\aleph_{\aleph_{\aleph_0}}\dots$ [see Noah's comment on notation]


Should I delete an answer that hasn't received any upvotes?


Can this capacitor move this solenoid kicker


What is the meaning of "\;" in "find" command?

Understanding find(1)'s -exec option (curly braces & plus sign)


What to call words with permanent prefix, but no unprefixed form? (ex: nonchalant, untoward)

A word for words that are often seen in their negative forms


Why is integration so much harder than differentiation?


My question was incorrectly marked as duplicate

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


Error with CFLoop When Entries Are Missing


Can we define a wave function of photon like a wave function of an electron?


How to remove the WITH ENCRYPTION from the code of the procedure - via T-SQL

How to view an encrypted view or stored procedure


Problem building the signal interceptor during the Molecular Level?


Why was this moderator's tag synonym vote not binding?

Allow diamond moderators to create tag synonyms on their meta sites from the synonyms page?


Why are some duplicated posts redirected to their duplicate sources instead of the requested link?

Automatically redirect anonymous user from unanswered duplicate question to corresponding answered version


How to ask multiple computers by ssh through the same command

Write the output of multiple sequential commands to a text file


What Junk in Fallout 4 isn't really junk?

Is there any scrappable junk I should hold on to that could otherwise be used for other purposes?


"he leaves for New York tomorrow". vs. "he will leave for New York tomorrow"


Are collective nouns always plural, or are certain ones singular?


Splitting a JavaScript string when any one if given delimitters occur

How do I split a string with multiple separators in JavaScript?


What are the rules for calling the base class constructor?


Shuffling an array of integers for making secure key pad

Most efficient way to randomly "sort" (Shuffle) a list of integers in C#


Safari autofill defaults to wrong email address on my card

Safari autofill multiple e-mail adresses


Manage Dash-to-Dock favorite apps by command line

Cannot add custom launcher to Ubuntu Dock ('Add to Favorites' option does not show up)


How to show previous line to matching pattern with grep and not the matching line?

Find each line matching a pattern but print only the line above it


Does this example prove that an infinite causal regress is impossible?

Is infinite regress of causation possible? Is infinite regress of causation necessary?


Example of continuous function which is not locally lipschitz

Locally Lipschitz implies continuity. Does the converse implication hold?


Remove period at end of bibliography items

How to delete a full stop on reference ending


Cannot figure out where the tmp folder is to add the .htaccess file per http://drupal.org/SA-CORE-2013-003

Public and temporary files error in my "Status Report"


Custom keyboard shortcut for changing keyboard layout

Hotkey to switch input language in Windows 7


XNA 2D Tile Map zooming to arbitrary point


c# List - it's converting the first index ALWAYS to 50? and the second to 51 etc


The subgroup of upper triangular matrices of $GL_n(F)$ is equal to its normalizer

Normalizer of upper triangular group in ${\rm GL}(n,F)$


Finding limit of $\prod_{t=1}^{n}{\left(1-\frac{2}{(n)(n+1)}\right)^2}$

Finding limit of a sequence in product form


Use keyboard shortcut automatically in nano?


Why didn't Cudgeon "Escape" the time stop in Artemis Fowl?

Why didn't Briar Cudgeon disappear from the Time Stop?


User group membership appears to be empty

Lost supplementary user groups for GUI login session


Easy proof the set of finite Set in countable is countable

Neatest proof that set of finite subsets is countable?


What is better? #define getmax(a, b) or int getmax(a, b)


Simplify: $\sin \frac{2\pi}{n} +\sin \frac{4\pi}{n} +\ldots +\sin \frac{2\pi(n-1)}{n}$.

How can we sum up $\sin$ and $\cos$ series when the angles are in arithmetic progression?


Partitioning an existing table into multiple filegroups

How to partition an existing non-partitioned table


Are there advantages of soaking rice overnight as opposed to only for 30 minutes?


Integral using gamma function $\int_0^1 x^a(1-x)^b dx = \frac{\Gamma(1 + a) \Gamma(1 + b)}{\Gamma(2 + a + b)} $

Prove that $\int_0^1t^{p-1}(1-t)^{q-1}\,dt=\frac{\Gamma(p)\Gamma(q)}{\Gamma(p+q)}$ for positive $p$ and $q$


Pointers to member functions as parameter of template instantiation

Pointer to class member as a template parameter


update .jsp file with new DB data from servlet

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


Integrate $\int_0^{\pi/2}\frac{\tan x}{1+m^2\tan^2 x}dx$

Finding $\int_{0}^{\pi/2} \frac{\tan x}{1+m^2\tan^2{x}} \mathrm{d}x$


Nothing happens when compiling to the device

"Warning: iPhone apps should include an armv6 architecture" even with build config set


HTML for links is being escaped in 10k tools, duplicate answers

Duplicate flag links in 10k tools are broken


Have we observed sufficient extra-solar planetary systems to establish a planetary distribution pattern?

Are the known exoplanets representative of the population of exoplanets?


Can't plot derivative of Hankel function

General::ivar is not a valid variable when plotting - what actually causes this and how to avoid it?


Anime/Show in which people use their phone to transport themselves into a different world, then fight each other (as monsters) and other monsters

Cartoon about a group of teenagers whose souls travel to multiple worlds with monsters


How to show $ \sin x \geq \frac{2x}{\pi}, x \in [0, \frac{\pi}{2}]$?


Prime factorization knowing n and Euler's function


Javascript - succinct way to assign another value to variable if first value is not truthy

Is there a "null coalescing" operator in JavaScript?


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


Is there a way to specify style for part of a path in tikz?

Tikz: Is it possible to change line style within same \draw command?


Compute $\displaystyle\iint\limits_R\frac{y}{x+y^2}dA$ where $R=[0,1]\times[1,2]$

Compute $\iint\limits_R\frac{y}{x+y^2}dA$ where $R=[0,1]\times[1,2]$


How to put a default image if img tag is empty using jquery

jQuery/JavaScript to replace broken images


Short sci-fi story involving revival of a classical composer


continuing equation under the equal sign


Getting mysql by php turns non-latin characters into question mark "?"


Why is there a difference between the badge votes on the Stack Exchange Android app and desktop Stack Overflow page

Tag score calculation wrong in Android App


How Wordpress understands what do with the (all) key in the $wp_filter array?

What is "all" in isset($wp_filter['all'])


How does a bikerider turn by leaning on one side?

Does leaning (banking) help cause turning on a bicycle?


How do I remove "permission denied" printout statements from the find program?


How would you visualise a curvature in spacetime?

Naive visualization of space-time curvature


Using existing framework for new PoM framework bad practice?

One Selenium framework to rule them all (or an actively maintained collection of frameworks)


How to Improve the accuracy of my Cancer Prediction Model?

How to know that your machine learning problem is hopeless?


The meaning of tensors in the neural network community

Tensors in neural network literature: what's the simplest definition out there?


How to remove Ubuntu and put Windows back on?


Unable to install packages due to /tmp at 100% usage


Does Wake-on-LAN via WAN needs port forwarding?


Way to test if a string is valid identifier name in JavaScript

What characters are valid for JavaScript variable names?


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


Slinky reverb: the origin of the iconic Star Wars blaster sound


I need a clarification about the local disk on Linux

Why is Linux's filesystem designed as a single directory tree?


Requiring a question mark in the question body for new users


list[0:9] and list[0:10] have same values


How to make a sidebar 100% in height if i also have a topbar?

Make a div fill the height of the remaining screen space


jQuery. fadeIn() "inline-block" elements sets them to block


find the number of integral solutions a+b+c+d+e+f = 18

Finding the number of solutions to a diophantine equation


How do I run a batch file from my Java Application?


How to add Drag and Drop to Lightning Components?

How to do drag and drop in lightning components?


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


What options exist when the vendor does not supply an ADB driver for an Android device?


Can I use the word 'was' twice in the below sentence?


Should I capitalize the word "that" in a title?


Name of a story about a man who is colonized by microscopic aliens

Trying to identify a very old short story about aliens colonizing human bodies


Should import statements always be at the top of a module?


How to have click() work on javascript dynamically created items?

Event binding on dynamically created elements?


What sources of randomness can be made with commands in Minecraft?

How can I randomise the output of a redstone circuit?


compilation errors in powerdot. Can some one help?

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


Command Line Rendering - "cannot render, no camera"


Find the least positive $x$ such that the expression $a + bx$ is divisible by $n$, where $a$, $b$, $n$ are assigned

Solving linear congruences by hand: modular fractions and inverses


show that $\alpha\beta \leq \frac{1}{2\varepsilon}\alpha^2+\frac{\varepsilon}{2}\beta^2$


how to trigger onchange event of element with javascript in IE without jQuery


Send a SecureString Password from CMD file to Powershell


Whoa! The search results just gave me a book!


How to involve a variable in numerical integration?

Numerical integration with parameter and plot


About the 1.6x crop factor on a crop body

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


Identify Story: 60's or 70's novella about last man alive taken care of by robots

What sci-fi short story featured a man waking up from stasis several times over millennia?


Is there a way to make an iframe's height expandable without a scrollbar?

Expand An Iframe During jQuery Animation When Contents Expand


Download Xcode 10.2.1 in macOS High Sierra (10.13.6)

How can I download an older version of Xcode?


Available memory differs by several GiB from what is installed


Save a table in ascending order in order to avoid overlapping proportional circles (QGIS)


Ubuntu 18.04 drag-and-drop icons to sidebar fails to bring window to foreground

How do I enable dragging files to applications minimised to Ubuntu Dock in 17.10?


Continuity of function if $f^2$ and $f^3$ are continuous

Suppose $f: \mathbb{R} \to \mathbb{R}$ is function such that $f^3$ is continuous on $\mathbb{R}$. Prove that $f$ is continuous on $\mathbb{R}$


Show path of a body of where it should go after linear impulse is applied


SMESERVER: Mail not receiving, 550 v=spf1 a -all (suddenly appeared 5/21)


Why did the Community user delete a question?

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


start section numbering with 0 not 1 LaTex article class


Reference: Renormalization Group and scale invariance in statistical mechanics

Suggested reading for renormalization (not only in QFT)