Short story where a man discovers he's living in a fake world


Webform submit buttons redirect to first page when clicked twice

How to disable the submit button after clicking?


How to detect perfect separation of logistic regression?

Why does logistic regression become unstable when classes are well-separated?


Prototype Bean injected in a singleton bean in Spring

Spring prototype beans in combination with singleton beans and dependency injection. Is there an approach that is configuration only?


How to query users in SE data, sorting by "people reached"?

Include the "People Reached" and "Helpful Flags (count)" data in SEDE


SQL: Understanding how FULL OUTER JOIN works

What is the difference between "INNER JOIN" and "OUTER JOIN"?


How to use C language functions in Mathematica?

Minimal effort method for integrating C++ functions into Mathematica


What is the meaning of the information that I get by printing an Object in Java?

How do I print my Java object without getting "SomeType@2f92e0f4"?


Does dispatching to a queue that's owned by an object retain that object?

Is self retained within this Objective-C block?


Why does my material panel look different?


Android Studio java.lang.NullPointerException when trying to add elements to the view

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


$(a_n)$ is a convergent sequence in $\mathbb{R}$ with infinitely many positive and negative elements. Show that $(a_n)$ is a nullsequence.

show that if ${a_n} \to a$, and $a>0$, then $\exists N$ such that $a_n>0$ for $n \ge N$.


Keeping tables/figures close to where they are mentioned


Python AttributeError: 'module' object has no attribute 'Serial'

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


Redirect, Change URLs or Redirect HTTP to HTTPS in Apache - Everything You Ever Wanted to Know About mod_rewrite Rules but Were Afraid to Ask


I dropped my Nikon 18-55 lens — can I fix it?

Is it worth repairing a broken kit lens?


Can you build an iPhone app which has 2.1 as it's target SDK, but uses 3.0 features?

How do you optionally use iPhone OS 3.0 features in a 2.0 compatible app?


What time did TOM4656 land on 18 Jan 2020?

Historical flight data outside of the USA?


Are .fon kind of fonts supported in ubuntu?

How do I port a .FON font to a Linux font?


Is rolling friction different from static friction?


Is there an easy way to work out the Big O value for time and space complexity?

Big O, how do you calculate/approximate it?


Cramer Rao lower bound in Cauchy distribution


Differences in SetDelayed (:=) in Module and DynamicModule


Prove $ \forall c \in \mathbb{R}^{+}, \forall B \in \mathbb{N}, \exists n \in \mathbb{N}, (n \geq B) \wedge (\sqrt{2n} > c \ln(n+2)) $

Prove $ \forall c \in \mathbb{R^{+}}, \forall B \in \mathbb{N}, \exists n \in \mathbb{N}, (n \geq B) \wedge (\sqrt{2n} > c \ln(n+2)) $?


My background plane disappear when I use game engine


Database general error: 2006 MySQL server has gone away


Can a virus or malware hide itself within a clean exe. Or .Zip file after coming into pc?

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


Is there an API to make image your wallpaper in iOS 7?

Add image on lock screen in iOS app, when app is running in background


Why does jQuery or a DOM method such as getElementById not find the element?


How can I download Mavericks from Yosemite?

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


How do I verify whether a population distribution is a power-law?

Power law fitting of data with uncertainties


Need and best way to determine normality of data

How to choose between t-test or non-parametric test e.g. Wilcoxon in small samples


If conditional in Python not providing correct result


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


How to make super-user permissions last longer than using sudo?

How to get sudo to prompt you for a password each time


Partition data unavailable until opened in files

Is there a program to mount all of my drives automatically?


Base method is being called instead of derive method from constructor


Convert a mm-yy string "Jan-01" into date format

Add correct century to dates with year provided as "Year without century", %y


How can I add "required" attribute in Spring-MVC

Spring forms:input HTML5 required attribute


How do I create a completely unattended install of Ubuntu?


difference between if ( !statement) and if (statement != true)?


Why do I need an empty `content` property on an ::after pseudo-element?

Why do the :before and :after pseudo-elements require a 'content' property?


Calling a function from string inside the same module in Python?


Getting all IPs of devices connected to the same router


Error when trying to install / update Adobe Flash

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


Oracle. Get only 1 record by using max() in select

Fetch the row which has the Max value for a column


Although the rule was made by "him" or "himself"


Material emitting only in dark parts of an object

Make light paths only pass through non-emitted areas?


implement a special font and looking its name

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


.NET EventHandler Delegate - Why still an "EventArgs" parameter if it "will handle an event that has no event data."?

Why should events in C# take (sender, EventArgs)?


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


Was this epic answer from Scifi & Fantasy SE manually added to the Hot Network Questions?

What are the criteria for questions to be selected for Hot Network Questions?


Can't delete my own questions in Android


Getting a stack overflow exception when declaring a large array


"which" command not work in shell script with #!/bin/bash but work with #!/bin/zsh


Controlling textbox/overflow scrolling using javascript


Where am I going wrong on this second derivative?

How to derive this second derivative using the quotient rule?


The value of series $\sum_{n=1}^{\infty}\frac{n}{2^n}$

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


Why don't wizards always use multiple wands?

Why don't wizards use more than one wand in casting spells for battle?


How do I prove the inequality $H_{2^m}>1+\frac{m}{2}$?

Prove by induction that $\sum_{i=1}^{2^n} \frac{1}{i} \ge 1+\frac{n}{2}, \forall n \in \mathbb N$


Google Maps JavaScript API v3 drawing line between two location

How to connect two points in Google map..?


Product of $x$ consecutive natural numbers is divisible by $x!$

The product of $n$ consecutive integers is divisible by $n$ factorial


Getting a normal looking unicode down arrow in a UILabel like this ⬇


Is there some tool for finding files in one directory but not in the other?

Compare files that are in directory 1 but not directory 2?


Postfix and prefix operators as function arguments - why is this happening?

Why are these constructs using pre and post-increment undefined behavior?


Can I use a :before or :after pseudo-element on an input field?


setText(), setSelectedItem(), getValueAt() and getSelectedRow() not working

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


Do images in deleted answers stick around forever?


How to safely erase elements in a std::vector


Nice proofs of $\zeta(4) = \frac{\pi^4}{90}$?


Getting more than 1 object from session.createQuery in hibernate

What issues should be considered when overriding equals and hashCode in Java?


Calculate the maximum current of zero ohm resistors


I am an American with a US passport.I have a 15 hour layover in Paris.

Do US citizens need a visa for transit in Frankfurt?


How to print colored text to the terminal?


understanding oop and calling getter-method from main, java


Quantum entanglement used for FTL communication?

"FTL" Communication with Quantum Entanglement?


Mount error: "unknown filesystem type 'exfat'"


root password found changed. Did someone break into my server?

How do I deal with a compromised server?


How to set tmux terminfo to screen-256color?


How do I stop/disable unattended upgrades from being launched automatically?

How is unattended-upgrades started and how can I modify its schedule?


How to store and echo multiple lines elegantly in bash?

Capturing multiple line output into a Bash variable


How do i have a div backround have a rounded corner?


Words that are pluralized in the middle?


Which Version of Ubuntu to Install on old 2008 intel atom netbook (acer)

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


How to evaluate a finite product in path integrals of harmonic oscillator?

How to directly evaluate path integral for harmonic oscillator by brute force method?


Change Pivot Point Rotation Relative to Flat Face

Set a polygon's normal's orientation as the objects local rotation orientation (if every polygon is an object)


Is my friend able to get out of question ban?

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


Will I be allowed to go to Mexico without a visa if I hold a British and a Schengen visa?

Do Indian passport holders with UK Tier 2 need to get a tourist visa for Mexico?


How to put an Expectation symbol in IEEE Transanctions format?

Getting the expectation symbol to behave like $\sum$ instead of $\Sigma$


Which charge actually moves to constitute current? Positive or negative?


Can I use a 15w LED bulb in a fixture that says max 40w incandescent or 11w CFL?

What is the maximum wattage LED bulb that can be used in a 75 watt fixture?


FindFaces: how to improve the results of the face recognition feature


How to upload an article to arXiv.org that uses TikZ 3.0?


Missing text on toolbar buttons in LibreOffice Writer

LibreOffice toolbar icons went blank after application hanged


Using a new document class/template with LyX?


Can I skip over releases when upgrading?


Why Are PDEs Categorised In The Way They Are?

Why are second order linear PDEs classified as either elliptic, hyperbolic or parabolic?


How to show path-connectedness of $GL(n,\mathbb{C})$


Use of TSA locks embedded in luggage in Europe?

Is the TSA Lock acceptable in European Airports?


Coalescence of /t/ and /r/ in 'train', 'tram', 'traffic' etc


How to align a button over top of a text input?

How do I add a "search" button in a text input field?


Gimp installation failed due to depedency

How do I resolve unmet dependencies after adding a PPA?


passing console.log as function parameter throws "Uncaught TypeError: Illegal invocation"

Uncaught TypeError: Illegal invocation in javascript


Use UIImage as a mask to fill with different colors


SQL update primary keys and foreign keys at the same time

SQL Server update primary key that's also a foreign key in two tables


Question incorrectly added to "drools" feed

Subscription bug: receiving emails for questions with tags that do not match my filter


Reference: What is variable scope, which variables are accessible from where and what are "undefined variable" errors?


a GRE question about ring theory, how can I know which one is correct?


If the integral of f is 0 on every subinterval, show that the integral of |f| is 0

Zero integral of measurable $f$ on every interval implies $f=0$?


Will installing Ubuntu using Wubi erase Windows?

What's the difference between Wubi and a regular "alongside Windows" installation?


Using table tag to structure a web page decrease referencing quality?

Why aren't we supposed to use  in a design?


Select single random item from list of items


Error While starting/stopping the application-Apache tomcat server

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


How do I get includegraphics to correctly read in a filehandle that has periods in the name


System slow and apps not working on Lineage OS 14.1

I installed a nightly or unstable build of a custom ROM and now my phone doesn't work


Which free VPN providers support Ubuntu?

Is there a free VPN service that works on Ubuntu?


Is there a way to hide applications from other desktops/workspaces in the Unity launcher?

Setting to only show applications of current workspace in launcher?


Do electrons in a wire, actually jump across two metallic wires twisted together?

tranfser of electrons between two metals and a wire


Find $\tau \in A_6$ such that $\tau \sigma \tau^{-1}=\sigma^{-1}$

How to solve cycle equations in Group Theory? Is my approach correct?


Understanding Pantheon Workflows and Best Practices for Deployment to an Active Site

How do I merge changes from a development copy of the site to the live site without losing new content?


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


Is it necessary for the production server(CentOS 7) to start the tuned service?


How to change password using recovery console?

How do I reset a lost administrative password?


What is the real pronunciation of “postman”?

Why is "man" in "Snowman" pronounced differently than in "Frenchman" or "Englishman"?


MySQL pivot row into dynamic number of columns


What justifies probability in the case of a onetime experiment?


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


Swapping older Samsung Enterprise SSD for Consumer SSD (EVO 850) in Dell PowerEdge R820 server in RAID 5 configuration?

What are the differences between consumer grade SSDs and the much more expensive enterprise SSDs?


Identity novel, short story or book series... slower than light space battles, time dilation and boardings, several planets

Two spacecraft pilots travel at light speed, meet back on Earth in different era due to time dilation


2D list has weird behavor when trying to modify a single value


What is best way to find duplicate questions?

How to find all questions that were duplicates of another question?


How can I install sudo without using su?

Can sudo be reinstalled after being removed?


How to determine how many pixels per inch (or per centimetre) do we have (in CSS/JavaScript/jQuery or other language/technology?)


ajax sent html input file content jquery


QGIS Raster->Interpolation Error: "wkb access out of bounds"

Interpolation plugin error message WKB access out of bounds with QGIS 2.14 & 2.18


What does the syntax ?. mean in this Ruby example?


trying to find alternatives because of impossibility to open second fancybox without closing first

open fancybox over another fancybox ajax


How to make jar of a package and use that jar in other package in android

How to create jar for Android Library Project


How do I visually display things differently than they are declared as in HTML?

How can I reorder my divs using only CSS?


Homepage not being crawled by search engines

Why aren't search engines indexing my content?


Does a sphere projected into 2D space always result in an ellipse?


How do I set up a bullet to fire towards the mouse pointer?


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


Itemized list side by side with a figure


Is there a way to select the lines between two verts?

Is there a way to choose a beginning and ending edge and auto select all the edges in between?


Change background image in css .clas:after

Setting background-image using jQuery CSS property


Why multiplying a float with an int number unlike what I expect in Python

Python rounding error with float numbers


Showing $\oint \overline{f(z)}f'(z) \,dz$ is purely imaginary.

Integral with differential is purely imaginary


How to make NetworkManager add a DNS server at the top of /etc/resolv.conf?


SQL Server scheduled scripting of DDL (2020 edition)

SQL Server 2012: Generate Scripts from command line


70s or earlier post-apocalyptic short fiction with only one man and one woman remaining

Identify sci-fi short story about last man and woman on earth


Which is correct: Most information and knowledge is false; Most information and knowledge are false;

"There is a lot of food and fruit" vs. "there are a lot of food and fruit"


When does jumping down become falling, for damage purposes?

Do you take falling damage after a high jump of over 10 feet?


Why put a method on an object's prototype?

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


How can I store a function into a variable when my function has user input

Calling a function of a module by using its name (a string)


Facebook iOS API only returning one friend from requestForMyFriends suddenly

Facebook Graph API v2.0+ - /me/friends returns empty, or only friends who also use my application


How to anonymously report suspected reputation farming

How can I flag illegal reputation farming?


What does "leverage" mean in this sentence?

Can somebody explain "leveraged debt investment positions" and "exposures" in this context for me, please?


"Put me in touch with whomever created it"?


Spring annotation relation with <form:form commandName="xy"

What causes "java.lang.IllegalStateException: Neither BindingResult nor plain target object for bean name 'command' available as request attribute"?


Mafia 3 no more damage to be dealt barclay mills


How to save content from a JTextField into a file


Why massless particles have less number of possible polarisations than massive ones?

Polarization vectors of massive and massless particles


Why is setting a variable before a command legal in bash?


Help centre refers to review queues, a privilege, and a link that do not exist

MSO Review Queue Privileges are Misleading


Different document length for a Neurips 2021 paper on Overleaf versus Texlive on Linux

Different PDF output with same source files (NeurIPS 2021 package)


Is "rumored" a verb or an adjective (a participle adjective)?


Can we add Top Questions to our careers page, just as we have Top Answers?

Add the ability to add "top questions" to Careers 2.0 Profile


user is not in the sudoers file. tried to solve it, same result

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


Show that if $x \ge 1$, then $x+\frac{1}{x}\ge 2$

How to prove this inequality $ x + \frac{1}{x} \geq 2 $


Why does the "contact" page link to Google, Facebook, and Yahoo?


Proving that acceleration perpendicular to velocity only changes it's direction

Does an acceleration always perpendicular to velocity imply a circular motion?


Sandbox provisioning taking over 48 hours

How long should it take to refresh a Developer Sandbox?


CronTab is not working in Ubuntu for image compression job : "/bin/bash^M: bad interpreter: No such file or directory"


Can I use a card from Eighth Edition in Modern Format?

How can I tell which cards or sets are currently legal in various formats?


What hardware does Ubuntu Touch support?


Subscripts and superscripts on accented math characters

When I add a "hat" to a character, I cannot get a gap before the superscript


When I make objects they point towards me

How Can I add an Object so that is not facing the current the view?


Want to extend a PHP class from two classes one of which is abstract

Can I extend a class using more than 1 class in PHP?


What is Windows Automatic Maintenance? and How can I manually disable it?

Disable "automatic maintenance" in Windows 8


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


Can I use my old flash on a D3300 with a Nikon AS-15 sync adapter?

Can using an old flash damage a new DSLR?


How to capture PRINT statements from TSQL called by CLR stored procedure

In Powershell Retrieving Printed Message From SSMS


Why doesn't lord Voldemort just trace and Kill harry in an ambush?

Why couldn't Voldemort trace Harry's residence and kill him?


Launch Elevated User Process from Session 0 (service)

Avoiding UAC but launching an elevated process using a windows service


Launcher, top bar missing & cannot close, maximize, or move windows

Unity doesn't load, no Launcher, no Dash appears


How can I more aptly describe acceptable laziness?

Is there a synonym for lazy with a positive connotation?


Predicates: in the WHERE clause or the JOIN clause?

Is a join optimized to a where clause at runtime?


Problems installing Ubuntu 12.04 alongside Windows XP

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


Parameter evaluation order before a function calling in C


Is this jQuery related, and what does this mean?

What does the exclamation mark do before the function?


Is "the sound of a good many voices" correct in this sentence and why?

"There are a good many scholars ..." is it right?


What is the expected response to "What's up?"


How to insert a blank page depending on current page number?


Does topological closure operator distribute over set difference?

Difference of closures and closure of difference


Error: [] operator not supported for strings

Fatal error: [] operator not supported for strings


If $\,k\mid n^2-1\,$ for all $n$ coprime to $k$ then $k\mid 24\ $

If n is such that every element $(\mathbb{Z}/n\mathbb{Z})^{\times}$ is a root of $x^2-1$. Prove that $n$ divides 24.


How can I generate randomness with commands in Bedrock Edition?


Show $H \cap L_i$ is a Cartan subalgebra of $L_i$

Cartan subalgebras of a semisimple Lie algebra


Does glibc (GNU C Library) provide a way to obtain the size of an allocated memory block?

How to find the 'sizeof' (a pointer pointing to an array)?


How do I check if an array includes a value in JavaScript?


How can I disable a tab inside a TabControl?


Add elements to Arraylist and it replaces all previous elements in Java

Why does my ArrayList contain N copies of the last item added to the list?


Maven artifact and group naming conventions


How to have a Batch File create a shortcut on desktop

creating a shortcut for a exe from a batch file


What causes a steel gurney to accelerate towards an MRI machine?

Why does magnet attract iron but not other metals?


$\frac{(x-1)(x+1)}{ (x+1)} \rightarrow (x-1)$ Domain Change


How Should I Be Maintaining My Manually Installed Apps?

How does update work with programs installed from .deb file


How to set default homepage in safari 6?


I keep getting the error "stack smashing detected"


Excel scrolling issues on second monitor

Excel grey and black boxes on secondary display


Dealing with 'less than optimal' data or study designs

Fifth year of my PhD and I hate my project. What should I do?


R, accessing a column vector of a matrix by name

Extract matrix column values by matrix column name


Versioning in PostGIS on PostgreSQL database

Implementing version control system for geospatial data?


What's the difference between `mkdir -p` and `install -d`?

Why use install rather than cp and mkdir?


What to do when a tiny edit is necessary?

How to fix a single character typo in a code sample?


How to make a python code wait in blender?

Run multiple Python scripts in Blender from the command-line


If $A \subseteq B, $ then $f^{-1}(A) \subseteq f^{-1}(B)$


How can I fix my regex to not match too much with a greedy quantifier?

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


Deterministic generation of RSA keys for IPFS / OrbitDB

How can one securely generate an asymmetric key pair from a short passphrase?


How can I download THEN install packages?


Adding class with click and capturing added class

Event binding on dynamically created elements?


What happens when a tmpfs volume is full and swap is full? Is Linux's OOM-killer involved?

What sets the size of tmpfs? What happens when its full?


SASS error when using % in property value together with 'while' loop variable

SASS error when using % in property value together with for loop variable


How to get the valid URL of a Link field from within a Twig template?


Listings adds vertical whitespaces in the rest of the PDF

Why does latex stretch small sections across the whole page vertically?


Is it safe to eat sushi with different toppings (cooked and raw) after 24h?

How do I know if food left at room temperature is still safe to eat?


What is a good data plan for Internet surfing in northern Italy?

Prepaid Data Plan for cell phone in Italy


Timing out upon reconnection to a server

Why isn't my Minecraft LAN server working?


Can you prove that if $\mid D_n \mid = m$, where $m$ is odd, then $n$ is a perfect square.

$m$ is a perfect square iff $m$ has an odd number of divisors?


static member cannot be accessed with an instance reference; qualify it with a type name instead

Member '' cannot be accessed with an instance reference


Faster ways to calculate frequencies and cast from long to wide


Is the function $f(x) = e^x \cos (1/x)$ is uniformly continuous on $A = (0,1)$.

Determine whether the function $f(x) = e^x \cos (1/x)$ is uniformly continuous on $A = (0,1)$.


My error checking method for a certain user input is not working


Is it possible to traverse nested SASS selectors to the parent selector?

Modifying the middle of a selector in Sass (adding/removing classes, etc.)


Name for a phrase, whose words communicate the similar meaning (fluid liquid, white bleach)

An expression that adds little information


Trying to find vehicles which are free between 2 variable dates


Showing text permanently in the notification bar


Python equivalent to Java's Class.getResource


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


Find all polynomials $P(x)$ with odd degree such that $P(x^2 - 2) = P^2(x)-2$

How to find all polynomials P(x) such that $P(x^2-2)=P(x)^2 -2$?


Differentiate between bounty and accepted answers

Make bounty award color blue in summary tab


Want to add a small resized logo in the upper left side on every page?


I am getting Null pointer exception when i run my app 2nd time

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


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


What does it mean by phases in Marvel Cinematic Universe?

What over-arching narrative is told during Phase 2 of the Marvel Cinematic Universe?


compare value with all the fields of a table in mysql

Search for all occurrences of a string in a mysql database


Event binding on dynamically created elements?


A List of Standard or "Cliche" Homeomorphisms


How to open a directory and view images if it contains a large number of image files (~70,000)?

How can I instruct Nautilus to pre-generate thumbnails?


without build app in Xcode 5 approve my ios app by Apple?

Will Apple accept apps built only with Xcode 5


How do I break a string across more than one line of code in JavaScript?


best version for r15-s829 toshiba satellite

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


Why fdisk started to show /dev/ramX devices after some update

fdisk -l shows 16 ram disks /dev/ram0 ... /ram15


The meaning of word "do" in “Yes, I do watch TV”

What is the difference in meaning between "I play" and "I do play"?


how get integer only and remove all string in C#


My device is getting slow, apps start misbehaving/crashing. What can I do?


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


"[Fatal Error] :1:120: The processing instruction target matching "[xX][mM][lL]" is not allowed."

Error: The processing instruction target matching "[xX][mM][lL]" is not allowed


Natural sort order string comparison in Java - is one built in?

Sort on a string that may contain a number


How to replace a line voltage thermostat with a low voltage one?

Convert line voltage heating system to use low voltage thermostats


Any open set $G\subset\mathbb{R}$ has the form $G=\sqcup_i (a_i,b_i)$.

Any open subset of $\Bbb R$ is a countable union of disjoint open intervals


$\int^b_af(x)\,x^k \, dx=\int^b_ag(x)\,x^k \, dx$ , for all $k \in \mathbb{N}$

Show that $\int_{a}^{b}{x^{n}f(x)dx}=0$, then $f=0$


Finding and moving images without extensions between two directories

How to list only JPEG files from root below using the command line?


How to fix Wine Staging installation problem? Ubuntu 18.10

Unable to correct problems, you have held broken packages


How do I determine if my laptop battery driver is bad, or if I have a bad battery?

Is there any utility to check whether my laptop battery is in healthy condition or not?


Good book for an introduction to differential equations


Problem while using bibtex reference of a url


Why not non-const reference to temporary objects?

Does a const reference class member prolong the life of a temporary?


How to I prevent a object(standard as well as custom) records(all) to be displayed in global search?

Restrict Access to certain objects from Global Search


Show that the roots of P' lie in the same half plane as the roots of P


How would I go about opening windows on the dash through mouse over?

How can I hover over icons in Ubuntu Dock to see all windows of one application?


Is Java's default value for Boolean 'true'?

Default value of 'boolean' and 'Boolean' in Java


How to Cover for Loop in test Class in vf

How do I increase my code coverage, or why can't I cover these lines?


Can I install Ubuntu directly to a hard drive?

Install Ubuntu from ISO image directly from hard disk of a system running Linux?


Prove the following series $\sum\limits_{s=0}^\infty \frac{1}{(sn)!}$

Sum of $\sum \limits_{n=0}^{\infty} \frac{1}{(kn)!}$


Print a file, skipping the first X lines, in Bash

How can I remove the first line of a text file using bash/sed script?


Summing Odd Values In A Data Range: Excel


How to Check Associativity for Higher Order Groups, for example, Quaternion Group?


How to choose a machine learning algorithm

How to choose between learning algorithms


Made transparent background for a signature: tools gratis on line without sign in/registration

How can I remove the unwanted background from a scanned handwritten signature?


Null Pointer Exception when closing a JavaFX Dialog

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


Minipage: 2 tables side by side isn't working


Prove $a=(12345)$ and $b=(21345 )$ are NOT conjugate in $A_5$

Show that not all 5 cycles in $A_5$ are conjugate in $A_5$


What am I doing wrong with conditional operators?

Why doesn't this method work? Java ternary operator


How to mount an external drive read only on the first try


Java Exception. java.lang.NullPointerException. Null or e?


How to instantiate polymer component programmatically in dartlang?

How to create an instance of Dart Polymer custom element in Dart code?


How to encrypt a text file in a portable manner based solely on a password?

How can I encrypt plain text with a password on Linux?


Export PDF with colors that show up in InDesign

Why are my printed colors duller than expected?


Add "Chapter" to the table of contents. Report class

How can I add the word "Chap" before the chapters numbers in the Toc in class report?


My input is not taken by if else if statment


Can we have calculus without axiom of choice


How do you update npm to the latest version?

How to install the latest versions of NodeJS and NPM?


Is totally disconnected space, Hausdorff?

Totally disconnected space that is not $T_2$


Grub Do not Load Dual Boot after ShutDown

Grub does not show a Windows 8 option after dual boot


One Mouse, Two Computers, One-Click Switch

How can I control two computers with the same keyboard and mouse?


How to get GUI sudo password prompt without command line?


Are the rules regarding absolute modifiers too absolute?


Big time difference for compilation between`XeTeX and `pdfTeX` engines

Why XeLateX is slower than pdfLaTex, and some times has a long pause before running the main file?


How do you tell if you should use a one-tailed test or a two-tailed test in a t-test?


Are JDBC's Connection and Statement objects pass-by-reference or pass-by-value?

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


Irreducible Polynomial $g = X^4 + X + 1$ in $\mathbb{F}_2$

How to find the roots of $ x^4 + x + 1$ in the extension of $\Bbb F_2$?


Program options have sometime one or two dashes (-foo, --foo)

What's the difference between one-dash and two-dashes for command prompt parameters?


short story with kids who are so spoiled the set lions on their parents when told "no"?

I am trying to find a story where a children's nursery turns into a jungle


Access a particular field in arbitrarily nested JSON data


If $f$ is analytic, prove that $\overline{f(\overline{z})}$ is also analytic

How do I rigorously show $f(z)$ is analytic if and only if $\overline{f(\bar{z})}$ is?


How to prove that $m!n!(m+n)!|(2m)!(2n)!$ for every pair of positive integers $(m,n)$?

Prove that for all non-negative integers $m,n$, $\frac{(2m)!(2n)!}{m!n!(m + n)!}$ is an integer.


1980s sci-fi British schools TV show with noseless aliens

80/90s UK children's drama series about an "alien" boy with radio weapon


Qualcomm Atheros QCA8172 No network traffic is shown

Why doesn't System Monitor show activity over ethernet connections?


what's wrong with my return statement and static method


Sci-fi book: female character and her brother repeat their mantra (periodic table, Fibonacci sequence) to avoid their consciousness being sucked


Solving for $x$ after simplifying, please check my work!


Canon 100d : How can I take a picture or timelapse of the Milky Way?


Ubuntu MATE 20.04 - How to remove Reminders indicator from panel


How do you package a final logo design for a client?


Does Xcode 7.3.1 run on MacOS Sierra (10.12)?


Socket is returning null when executing isConnected()

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


What does it mean for two objects to "touch"?


Install unstable Qgis-master alongside release version

Installing the development files libqgis-dev in Ubuntu 12.04


Track how passive aggressive users are who vote to close

Make closing question users post a conscious explanation


Best strategy (tried and tested) for using Box2D in a real-time multiplayer game?

Lag compensation with networked 2D games


Why aren't you automatically warned when a comment of your is deleted as offensive?

Could we provide some automatic feedback on (enough) unfriendly/rude comments?


Windows Virtual PC says CPU is not compatible with x64 mode, but Virtual PC is run in a 64 bits OS system


Solutions to time-independent Schrödinger's equation with symmetrical (even) potential

Time-independent Schrödinger function: If the potential $V$ is even, then the wave function $\psi$ can always be taken to be either even or odd


Why functions are called methods in java?

What's the difference between a method and a function?


Evaluating binary classifier model. What can say precision, recall etc.?

Why is accuracy not the best measure for assessing classification models?


How to visualize the gradient as a one-form?


want to match only whole words in javascript for error

How can I match a whole word in JavaScript?


Euler's theorem using Lagrange's theorem?

Group theory proof of Euler's theorem ($a^{\phi(m)} \equiv 1\mbox{ }(\mbox{mod }m)$ if $\gcd(a,m)=1$)


RegEx for Phone number +0 (000) 000-00-00

How to validate phone numbers using regex


Why is ((m^e mod n)^d mod n) = (m^ed mod n) in RSA?

Proof for exponentiation in modular arithmetic


Can I Localise Content for Different Markets on a Single Domain?

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


Are eigenfunctions always normed and orthogonal?

"An operator is hermitian". Implications?


Helmet headband is getting wet from sweat


In which short story escape-pod occupant stays inside to die while the outside was transformed?

short story about astronauts/colonists in a hostile planet


Does the recurring succession $X_{n+1} = 1+\frac{1}{X_n}$ converge?

Show that $a_{n+1}= 1 + \frac{1}{a_n}$ converges.


How do I access Win7 files through a Wubi

Access Windows 7 Files from Ubuntu 12.04


Understanding MyClass x(y); where y is of type MyClass

Why compiler provides default copy constructor


$[G : H] < ∞$ and$ [G : K] < ∞$ then $[G : H ∩ K] < ∞$ where $H$ and $K$ be subgroups of $G$

Does the intersection of two finite index subgroups have finite index?


Story about main character with regeneration powers


Performance decision on a 3-server HA scenario

Can you help me with my capacity planning?


Unable to parse Json with special character inside Apex

Struggling to deserialize JSON with escaped double quotes


Suggest edits without actually making them

High rep users suggesting edits to authors


Problems with special characters and MySQL


In which episode was the time when Star Trek: TOS takes place set to the 23rd century?

How was the Star Trek timeline officially established?


Problem rendering compound letters in Devanagari and other Indian scripts (for languages - Hindi, Marathi, ...)

How can I make Devanagari fonts render properly in Ubuntu 16.04?


How to create a command in linux from a bash executable when my program uses an internal database?

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


Using "recently" with the past simple tense


What does the prefix `\??\` mean in a Windows path?

What is the function of question marks in file system paths in Windows registry?


Why cancer disease is named after sun signs ?


A tag I've created now shows as created by the Community ♦ user; why?


Can't install Ubuntu 18.04 alongside Windows 10, no option to install alongside

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


Xelatex try lo load russian package if I use only ukrainian

Change Language in \usepackage[]{babel}?


What shape has the highest drag coefficient?


Android - Application crashes with Out Of Memory when selecting very large image

Strange OutOfMemory issue while loading an image to a Bitmap object


Term for someone who has a last name that can also be a first name

What is the term for someone who has a last name that can also be a first name?


If $z_1+z_2+z_3=0$ and $|z_1|=|z_2|=|z_3|=1$, then $z_1,z_2,z_3$ are the vertices of an equilateral triangle.

Vertices of equilateral triangle inscribed in the unit circle


Are certification courses like ISTQB necessary in testing career and if so, to what extent?

Do ISTQB/ISEB Testing Certificates prove that someone can test?


How long does it take to install Ubuntu 13.04

How long does the ubuntu installation take and what to do after it?


Difference between ClassPathXmlApplicationContext and ClassPathResource


How can I move Steam games to another disk?


Using C# delegates with methods with optional parameters

Optional parameters on delegates doesn't work properly


Gödel's paradox: Why is "a proof that some universal statement is unprovable" not a valid proof that this statement is true?

How could a statement be true without proof?


Hiding and Showing TabPages in tabControl


\bigints package is not working fine together with \lmodern


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


Should corporations be referred to in the singular or plural?

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


If $\liminf\, |a_n|=0.$ Does there exists a subsequence of $\{a_n\}$ which has finite sum?

lim inf $|a_n|=0 \implies \sum_{k=1}^\infty a_{n_k}$ converges


Ubuntu for an old laptop with 2gb ram, 1.8ghz processor

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


How do I deal with a compromised server?


Traveling to India from USA with 2 laptops and an iPad

Can I take two laptops to India from United States? One bought in India and one in US


System.IO.FileLoadException in C# WinForm Application

Mixed mode assembly is built against version ‘v2.0.50727′ of the runtime


Ubuntu 14.04 freeze a lot. How to fix it?


Quick way to open terminal in current folder in nautilus?

Keyboard shortcut for "open a terminal here"


For formal articles, should a displayed equation be followed by a punctuation to conform to the language grammar ?


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


Why use a variable in a bash regex match inside [[?

How does storing the regular expression in a shell variable avoid problems with quoting characters that are special to the shell?


How to efficiently combine glossaries with custom commands for symbols

Symbols with optional parameter in glossaries with \newglossary


Can I play WoW without buying the latest expansion?

Do I need to buy all the released updates to begin playing WoW?


Using the definiton of the t-distibution prove that t-statistic has t-distirbution

Derivation of the density function of student t-distribution from this big integral.


Do cards that say "Each player..." still affect players with Shroud?

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


.setOnClickListener on a null object reference (Can't call ID?)


Choice of power supply block for RPI4 PCB and sensors

How to create bipolar power supplying from Powerbank 5V 3A


How can I save my touchpad configurations?

How to make xinput settings persist after devices are unplugged, replugged, and after shutdown, restart, etc?


For a prime q and positive integers x, y, z, w , q divides yz, q divides xy and q doesn't divide yw implies that q^2 divides xz

If $p$ is a prime and $p \mid ab$, then $p \mid a$ or $p \mid b$.


How many outlets can you have on one 15 amp circuit?


If for a prime $q$ holds $q \equiv 5 \pmod 8$, then $q-2$ has a prime factor $p$ with $p \equiv 3 \pmod 8$ or $p \equiv 5 \pmod 8$

Understanding that there are infinitely many primes of form $4n+3$


Finite subgroup of the multiplicative group of a field is cyclic

Finite subgroups of the multiplicative group of a field are cyclic


recover NTFS partition after running ntfsfix on the disk instead of the partition

How to recover a deleted NTFS partition with data


How do I limit the node count of a content type to one per user?

How can I restrict various roles with limit in creating nodes of a particular content type


Unable to modify fxml elements on Stage start

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


Do you recommend using semicolons after every statement in JavaScript?


Why (\x)^2 and \x^2 produce different results in Tikz plot?

How can I work around this TikZ bug: (\x)^2 and \x^2 produce different results in TikZ plot?


Installing ubuntu 16.04 without losing data

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


Switch from Fedora to Ubuntu and Evolution to Thunderbird


What type of ethernet-to-wireless extender do I need


How do I access my WAN IP internally according to my existing iptables port forwarding rules?

Loopback to forwarded Public IP address from local network - Hairpin NAT


ELMAH works on local machine, but not on production

Elmah, convert to .Net4 vs2010, run on server 2008, does not work


How can I parse multipart/form-data parameters in JSP?

How to upload files to server using JSP/Servlet?


Which of “press” or “depress” the enter key is the more correct choice?

Why is the term "depressed" often used to describe a button which is pressed?


How do we get question “owners” to close their question as a duplicate?

Grant the OP a binding close as duplicate vote


Why weren't Hermione and Ron allowed in The Three Broomsticks?

Why weren't Ron and Hermione allowed to enter the Three Broomsticks?


What is the general method for solving congruences of the form $x^2\equiv a \bmod p$, where p is prime?


my internal hard disk is not mounting used to mount before.. suddenly stopped

Unable to mount Windows (NTFS) filesystem due to hibernation


How are the digits after ~ assigned in windows short file names?


Why is this wrong with python multi-dimensional list multiplication (concatenation)?

List of lists changes reflected across sublists unexpectedly


Is "else if" faster than "switch() case"?

Is there any significant difference between using if/else and switch-case in C#?


$R$ - commutative ring. $I$ - ideal of that ring. Prove that ring $R/I$ - is a field

How to directly prove that $M$ is maximal ideal of $A$ iff $A/M$ is a field?


Is it possible to change a UIButtons background color?


Read/Write 'Extended' file properties (C#)


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


ASCII encoding is not working as expected when getting the hex value of a character in C#


Convert a list of DateTime objects to string in python

How to print a date in a regular format?


Show that the element $φ(a)\in G'$ has also order d!

Order of an Element Under a Homomorphism


In a URL, should spaces be encoded using %20 or +?

URL encoding the space character: + or %20?


How to rig a shirt with buttons so that the buttons follow the mesh of the shirt


Is there any way to find which SE site is a gateway drug?


Which word is correct for this sentence?

When to use “that” and when to use “which”, especially in relative clauses


How do I package my C# Basic console application in just an EXE file?


Microsoft SQL group by to get multidimensional array

Simulating group_concat MySQL function in Microsoft SQL Server 2005?


How can I up my confidence level in my technical skills?

How to effectively deal with Imposter Syndrome and feelings of inadequacy: "I've somehow convinced everyone that I'm actually good at this"


If $f:\mathbb{R}\to\mathbb{R}$ is continuous and is an additive homomorphism then $f(x)=f(1)x$

If $f$ is continuous and $f(x+y) = f(x)+f(y)$, then $f(x) = cx$ for all $x \in \mathbb{R}$


Prevent direct access to a php include file


Comment upvotes aren't removed when the vote owner's account is deleted

Comment votes can be easily gamed by users with the association bonus


Why was there no funeral for Kirk at the end of Star Trek: Generations?


In Ruby, how to compute the number of days until next Sunday?

Rails Previous Sunday in Relation to Any DateTime


Jquery click event not registering for a button inside handlebarjs template

Event binding on dynamically created elements?


what is the difference between binary and txt modes in C++

Difference between files written in binary and text mode


Can I fix a box cake recipe where I added oil instead of water?


What is the reason to quote executable code with `.........'?

Where does this convention for quotation marks (`` ...'') come from?


Why should we use IRLS in logistic regression?

Choosing IRLS over gradient descent in logistic regression


How install Ubuntu on Dell 3521 Laptop with new blank disk

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


Zoom to predefined areas/extents in QGIS

How to save bookmarks with names in QGIS?


Just trying to install Git on a new Kubuntu instance, getting "please insert Kubuntu 19.10 into cdrom"

Problem with sudo apt get update: The repository cdrom... does not have a Release file


How was semi-colorization done in Kill Bill?

How to make a film in black and white and add color to some objects?


I'm having trouble inserting an image in a TeX file

Keeping tables/figures close to where they are mentioned


how i make this damascus look like the reference photo?

Achieve Damascus steel style with Cycles


The function $f(x)=\int_0^{2\pi}\ln\left(x^2-2x\cos t+1\right)\,dt$

Computing $\int_{0}^{\pi}\ln\left(1-2a\cos x+a^2\right) \, dx$


RewriteRule preserving path across environments

Redirect, Change URLs or Redirect HTTP to HTTPS in Apache - Everything You Ever Wanted to Know About mod_rewrite Rules but Were Afraid to Ask


Why does $\textbf{F}=- \boldsymbol{\nabla} V$?

Why is the potential energy equal to the negative integral of a force?


if i close the dialog box, a NullPointerException occurs. how do i get rid of it?

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


if statements and placement of null checks

Why does one often see "null != variable" instead of "variable != null" in C#?


Why use some_string[-1:] instead of some_string[-1]?


java.lang.UnsupportedClassVersionError: Bad version number in .class file?


find the number of sequences of length $n$ over $\{0,1,2,3,4\}$ in which the difference between any two consecutive members is $1$ or $-1$

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


Unintentionally moved all my home directories to desktop screen

Is it safe to rename special user folders?


I think that a searching-favorite-posts feature is needed


Why does reverse supply polarity damage the ICs?

What exactly fries the chip when you invert power supply?


Determining name for family relationship that involves a step daughter?

Seeking English term for relationship between two members of extended family?


random number using another random function


jQuery if statement with variable mathematical operator


How can I run badblocks and smartctl over SSH, close SSH without interrupting badblocks and smartctl?

On Linux can I keep a program running in background even after I disconnect?


Can't shrink to available partition volume in Windows

How to shrink Windows 7 boot partition with unmovable files


Java fails to load classes from CLASSPATH


How to handle Ignored lists of packages got with sudo apt-get update?

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


Why is half of my Mac's storage full with "system" files?

How can I figure out what's slowly eating my HD space?


Help understanding simple voltage regulator output

Calculating the peak voltage of a zener diode output


Is the total energy of the universe zero?


How to display the field history related list for a custom object on a Visualforce page?


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


Value shrink while converting Double to Bigdecimal


Feature - Show the last 10 questions viewed and the activity of them

Tracking the questions you've recently viewed or visited


Staying in the Schengen Area after the permitted days of entry but before the visa expiry

Is it possible to extend a tourist Schengen visa (12 more days)?


Create a bootable USB stick for ubuntu (Mac)

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


Why can't a real scalar couple to the electromagnetic field?


Installing and maintaining software on multiple Linux servers

How to manage enterprise network of Linux machines?


How to replace the spaces in filenames with underscore

How to replace one char with another in all filenames of the current directories?


Should I vote to close a duplicate question, even though it's much newer, and has more up to date answers?


How can I open a Terminal window directly from my current Finder location?


Why does the 40 minute question limit apply to both main and meta sites?

Why the limit of only 1 post every 40 minutes on meta sites for trusted Stack Exchange contributors?


I have a valid H1-B visa. I am going to India from the US via Heathrow. Do I need a UK transit visa?

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


Why is there no std::string::trimfunction?

trim is not part of the standard c/c++ library?


How Can the Universe Be Bigger Than It is Old?


How to get the type of T from a member of a generic class or method?


I would like to change how the FN key affects function keys on Lenovo IdeaPad z500

Enable F1-F12 keys without Fn on Lenovo Ideapad S400u


What cards transfer mana from colorless to any color?


Javascript get the text visible on the display


How do I Install .apk files in the android emulator?

How do you install an APK file in the Android emulator?


Extension method to loop through enums and run a generic action

Can I add extension methods to an existing static class?


What is the rationale for passing reference by const?


Interpretation of the confidence interval

What, precisely, is a confidence interval?


About $\mathbb Z_{p}[\sqrt{k}]$, when is it a field?

If $k>0$ is a positive integer and $p$ is any prime, when is $\mathbb Z_p[\sqrt{k}] =\{a + b\sqrt k~|~a,b \in\mathbb Z_p\}$ a field.


Orthographic view (top,bottom,left,right,rear,front) and Isometric view using ViewMatrix

Extract values for ViewMatrix from a Graphics3D


Prove that $A^n=0$ if and only if $A^2=0$

All nilpotent $2 \times 2$ matrices satisfy $A^{2}=0$


How to find if a USB has been plugged in on a certain date?

Find out if any files were exported from my MacBook


USB drive unusable and reporting 0 bytes capacity

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


How to fetch the nth highest salary from a table without using TOP and sub-query?


Can I std::move() an element out of a std::vector?

Does moving leave the object in a usable state?


How did Wolverine get his Adamantium claws back?

How do Wolverine's claws come back on "DoFP" after "The Wolverine"


Surjective Homomorphism between $\Bbb Z* \Bbb Z$ and $C_2*C_3$

Show there is a surjective homomorphism from $\mathbb{Z}\ast\mathbb{Z}$ onto $C_2\ast C_3$


Running a command a different user using `su` gives "standard in must be a tty"


Detecting new line while typing in a textarea

Detect enter key pressed using javascript


C- Program skips a scanf request in Main

Does scanf() take '\n' as input leftover from previous scanf()?


Is there any way to create a simple txt file without opening the terminal?


Is there a word to describe when someone has super-sensitive hearing?


What is the meaning of the ${0##...} syntax with variable, braces and hash character in bash?


using Ajax with 3 consecutive dependable drop down lists

using Ajax with 3 consecutive drop down lists depending on eachother


Review queue on mobile site - why do we still not have this feature?

Review option on mobile phone not available?


Select an image and then select a sub-Image out of the selected image

Select an area to capture using the mouse


Given $A \subset U$ and $B \subset U$. Prove or disprove $A - B \ = \emptyset \implies A \subset B$

Prove that $A \subset B$ if and only if $A \setminus B = \emptyset$


PHP arrays work differently for objects vs values

How do I create a copy of an object in PHP?


Converting a certain range of columns from text to number format with VBA


How to advertise on non-developer SE websites?


The word for how real a fictional world seems to be?


Unity doesn't load, no Launcher, no Dash appears


How to print a double with two decimals in Android?

How to round a number to n decimal places in Java


How to calculate a heading on the earths surface?


Why do virtual particles form at black hole horizon?

Black holes and positive/negative-energy particles


How to create content of content type which is a reference to a paragraph?

Pre fill multiple paragraphs while adding node


Place tick at origin of pgfplots axis using axis lines center

PGFPlots how to add a label "0" to the origin


Need word for a pathway or trail formed by frequent use by people, not through landscape or town planning

What is the word for a path that is made naturally by the action of people walking?


Is Design School a Requirement for Graphic Design?


Skip macro if it is not present in Excel using VB script


If a stick of ram dies in a 4 piece kit, do I have to replace the whole kit?


URL strategy for local business and multilingual website

Multilingual and SEO URLs - best practice?


What in-universe sign language is the Mandalorian using, and how did he know it?

Is the Mandalorian using out-of-universe real sign language?


system login window java compiles but doesn't run

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


How to attribute Creative Commons art on a T-Shirt

How to attribute, give credit to creative commons/copyleft/public domain content for web/print?


No. of $t,s \in [0,1]$ such that $f(t)=f(s)$ for a continuous function $f:[0,1]\rightarrow [0,1]$


How to remove "phone style" Gnome swipe to unlock


Why bool memory allocation is 8 bytes in C++?

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


Dimensions of finite-dimensional vector space and its dual

Prove that vector space and dual space have same dimension


make airpods microphones disabled by default when pairing with a mac


Is there any way to compare Strings lke the "like" in sql?


How to prove $\lim\limits_{(x,y) \to(0,0)} \frac{x^2y}{ x^2 + y^3}=0$?


Is there a way to create a two column page layout in a notebook?

How can I make a notebook with two column layout?


When and how should I use a ThreadLocal variable?


Proving Vectors Inside a Subspace Satisfy Given Condition

let ${v_1}, {v_2} $ be orthonormal basis for subspace $W$. Prove that if $z$ is a vector in $W$, then


What's the correct punctuation of "i.e." and "e.g."?

Should I always use a comma after "e.g." or "i.e."?


Show if there is an analytic function $f \in \mathbb{C}$ such that $f\left(\frac{1}{n}\right)=\frac{n}{1+n}$

Can a holomorphic function satisfy $f(1/n)=1/(n+1)$?


Calculate $\int_0^\infty\frac{\sin x}xdx$ by integration of a suitable function along given paths


Should I activate "Active State Power Management" as PowerCFG suggests?


Book about a group of escaped prisoners with tattooed faces

Series of sci-fi novels: sisters turned into cow like aliens, mother ship full of humans


Add a ! or a star to mark an outgoing email as urgent in Gmail


Edit Review Queue on Stack Overflow: Can I flag a user?


Is there a program to convert assembly to C++?


Is “come September” a kind of inversion?


I can't break a redstone clock that keeps killing me?

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


Bibliography error: "Use of \blx@bbl@verbadd@i doesn't match its definition. \verb"


How do I remove directories that begin with a dot after my server was infected?

What should I check after an unauthorized access?


What is the correct name to use with /give for Lapis Lazuli?


How to change blue color on android ListView?

Android - How to change color of an ScrollView/ListView Overscroll?(see Desc. for example)


How to correctly interpret arguments with Umlaute from a JSP-page

How to pass Unicode characters as JSP/Servlet request.getParameter?


PHP regular expression match any character with space tab carriage return and new lines

How to make dot match newline characters using regular expressions


What damage did Red Leader's torpedoes cause to the Death Star?

Is there a canon explanation for how Proton Torpedoes were able to turn 90 degrees at the end of Star Wars: ANH


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


why this error has come ? "static declaration of function follows non-static declaration"?


How to get all possible combinations for n arrays with different number of elements?


Is there a tree data type in windows libraries?


Cannot enter phpmyadmin as root (MySQL 5.7)


Implementing if statement directly to Arraylist


“…the city of Berlin was divided ________ the USSR, the USA and the UK”


Do I need Transit visa of Finland even I have Schengen Visa?

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


Video autoplay still occurring even though all autoplay settings are off (Firefox Normandy)


Indian citizens holding J 1 visa travelling on cruise to Bahamas

Visa requirement for Bahamas Cruise for L1 Visa holder


Dual boot Windows 10/Linux on two separate drives

How to use manual partitioning during installation?


Suppose $f : [0,1] \rightarrow \mathbb{R}$ . Prove $f(x) = x$ has at least one solution in $[0,1]$.

How do I show that if $f : [0,1] \to [0,1]$ is continuous, then there is some $c$ such that $f(c) = c$?


What is the purpose of group "wheel" on FreeBSD (FreeNAS) OS?

Where did the "wheel" group get its name?


The "‘" character turns into "?" character using laravel


Is it obvious that $\mathbb Q(\sqrt 3+\sqrt 5)=\mathbb Q(\sqrt 3,\sqrt 5)$?

Is $\mathbf{Q}(\sqrt{2}, \sqrt{3}) = \mathbf{Q}(\sqrt{2}+\sqrt{3})$?


How do I see all my bookmarks without looking through every community?

Can I see a list of questions that I have favourited?


How to dynamically look up shell variable name


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


Why is my total reputation less than my monthly reputation?


Question about a single event with a plural ending


How to create a bootable disk for an older Mac?

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


java.net.SocketException: No such device in android device


How can I switch between versions of an installed package with apt-get?

How to install specific Ubuntu packages, with exact version?


If $\sum x_n^2$ diverges, does there always exist $y_n$ such that $\sum y_n^2$ converges but $\sum x_ny_n$ does not?

problem involving series that converges depending on another series converging


How can i create and auto install of other open source software such as openvpn and snort using kickstart?

How do I create a completely unattended install of Ubuntu?


Why does GCC not optimise away the function prologue and epilogue (push ebp; mov ebp, esp; ...; pop ebp)

Is the gcc insane optimisation level (-O3) not insane enough?


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


Attempt to invoke virtual method 'java.lang.String com.google.android.gms.auth.api.signin.GoogleSignInAccount.getIdToken()' on a null object reference

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


how to view installation information for package to be installed by apt

How do I find the files installed by a particular package? Where is the .deb file to look at?


Why does do-release-upgrade on Xubuntu running version 18.04 not offer to update to 20.04.1?

Why isn't an upgrade to 20.04 from 18.04 available yet?


Poor Query performance when scalar variables used in Query

Why is my query suddenly slower than it was yesterday?


BufferedReader skipping each second line


Heuristic derivation of Schrodinger equation


"No suitable context info for active keying set"

What constitutes a "context" in Pose mode?


Looks like a material problem, but I can't find anything to remove?


In a circuit, does a battery create electrons which it 'injects' into the copper wire?

Where do electrons in electricity come from?


Short story: Cop chasing serial killer, both are shape shifting aliens

Looking for a novel or short story about an immortal shapeshifter cop/detective


I am applying for a Tier 5 Youth Mobility visa, but have been refused a visa/overstayed in the Czech Republic/Schengen zone

Is changing your passport a good strategy for removing a negative immigration history in Schengen?


Must the derivative be continuous if the function is differentiable?

If a function is continuous and differentiable everywhere is the derivative continuous?


Why the second references author name become '-' when the author having 2 books but different title?


Is there an alternative to Cantor's cardinalities that makes proper subsets smaller than their sets?


can't adjust header/footer width to text width APA6 class


select special rows from feature using condition in ArcGIS ModelBuilder?

Copying selected (targeted) features to new shapefile using ArcPy?


How can I get rid of repetition in the for loop


Is the current in a resistor different from that in a circuit?

Is the current obtained using Ohm's law that which passes through the resistor or that which passes through the circuit?


NullPointerException: Attempt to invoke virtual method 'void android.widget.RelativeLayout.addView(android.view.View)' on a null object reference

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


Different output after creating void method to for abstraction

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


How to prove that if $x$ and $y$ are real numbers greater than $0$, then $\sqrt{x}+\sqrt{y}>\sqrt{x+y}$?

How to prove $\sqrt{x + y} \le \sqrt{x} + \sqrt{y}$?


Cross-thread operation not valid: Control accessed from a thread other than the thread it was created on


How to modify waiting time of the dual boot menu

How to change the time for OS selection menu in GRUB?


Event binding on dynamically created elements?


Am I protected over the internet with ubuntu, do I need an antivirus?

Do I need to have antivirus software installed?


Why are alpha particles such a prominent form of radiation and not other types of nucleon arrangement?


How to debug Google Chrome background script?

Accessing console and devtools of extension's background.js


how to disable identifying network in windows

How can I disable the network detection on Windows 7?


How to become competitive for PhD in data science?

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


No appenders could be found for logger(log4j)?


Suppose $A,B,C$ are sets. Prove that $A\mathbin\triangle B\subseteq C \iff A\cup C=B\cup C$.


Correct way to use before unload event on Internet Explorer?

window.onbeforeunload and window.onunload is not working in Firefox, Safari, Opera?


Is it theoretically possible that every person in this village has a different jar of coins?


How to find the exact value of this series?


Handling random with unique chance in Python

How do I create a weighted collection and then pick a random element from it?


Why does it say $con is an undefined variable when I defined it on line 2?


Show for all primes $p>11$ there are two consecutive quadratic residues

Existence of Consecutive Quadratic residues


Visibility IValueConverter for ObservableCollection


Change the email address associated with my StackExchange account


How can I upgrade gnome shell to version 3.38 from 3.36 on Ubuntu 20.04?

Will GNOME 3.38 ever be in the official Ubuntu 20.04 repositories?


Does D&D 5e have specific rules for what is good and evil?

How do you adjudicate what alignment a PC's actions are?


How to read R program P-Value for Logistic Regression

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


Avoid page break after last line in lstlisting

Bottom frame of listing appears on top of the next page


When do you drop a tier and where do you land?


How to find all JPG files on the file system when .jpg extension is not obligatory ?

How to list only JPEG files from root below using the command line?


When moving comments to chat, retain comment upvotes as chat upvotes (not stars)

Transfer upvotes on comments to stars in chat


If gravity can be disrupted by larger forces, why does the moon orbit the Earth instead of the Sun?

Why does the Moon not revolve around the Sun directly?


How can I convert ereg expressions to preg in PHP?


What's the difference between LAY and LIE?

What are the differences between "lay" and "lie"?


How do I easily rename multiple files using command line?


Alert box when pressing button and there's user input that's not saved


How to override Object.ToString() method with a Extension Method?

Is there any way in C# to override a class method with an extension method?


dhclient.conf - append to system hostname

ISC dhcpd dynamic bootfile-name. Is this possible?


Quotation Marks do not work in latex with specific document class


Is the choice of epsilon delta free in limit definition?

What's wrong with this "backwards" definition of limit?


Neural Network in classification task behaves "weird"

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


How to protect user of library from a false initialisation?

how to set compile time validation on class instance members


Undo (CTRL Z as well as under edit) bug after pressing control shift

Annoying FrontEnd bugs in Mathematica 10


How do we normalize a Dirac delta function position space wave function?

Don't understand the integral over the square of the Dirac delta function


Proof for : How many numbers cannot be expressed as a sum of two numbers which are chosen from a given set.


Why is line #29 is causing a NullPointerException?

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


Apt-get update not working in Ubuntu 16.04 "temporary failure resolving"

apt-get update fails to fetch files, “Temporary failure resolving …” error


Strict warning: Only variables should be passed by reference (node.tpl)


How to add exceptions to apache reverse proxy rules

Redirect, Change URLs or Redirect HTTP to HTTPS in Apache - Everything You Ever Wanted to Know About mod_rewrite Rules but Were Afraid to Ask


A confession and a conjecture $\gcd(a-b,a+b)|2\gcd(a,b)$


Why do my "How to" questions often get renamed to "How do I"?


How to sum $\sum_{k=1}^{n}n^2$ WITHOUT induction?

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


Split string on spaces in Java, except if between quotes (i.e. treat \"hello world\" as one token)

Tokenizing a String but ignoring delimiters within quotes


How to do GIF animations for instructions and learning purposes over GUI?

How to create animated GIF images of a screencast?


How do I force users to use strong password ? (Ubuntu 18.04 Server)

How do I enforce a password complexity policy?


Looking for Cantor's original proof of the Cantor-Bernstein theorem that relies on the axiom of choice?


using custom styling in lwc for lightning components

Target inner elements of standard Lightning Web Components with CSS


How to make a C# Application work as the default program for certain files?

Register file extension in window registry?


Getting error with "sudo make" command while installing aircrack-ng (Ubuntu 14.04)


Excel: How to make certain cells "constants" so that they are not incremented when pasting a formula?

Can't get the formula to autofill correctly


How to solve fluid flow problem based on Navier-Stokes equations?

Nonlinear FEM Solver for Navier-Stokes equations in 2D


why are odd versions of Ubuntu rarely used?

What's the difference between a Long Term Support Release and a Normal Release?


a word that means harm or damage is being done to someone without the person realizing


How secure is information is Cognito Forms?

What measures does Cognito Forms take to ensure Privacy/ Security Level for Completed Forms/ User Data?


can i change ubuntu 19.10 to 18.04.4 LTS?

How to roll back Ubuntu to a previous version?


How can I make a sprite move when key is held down


Troubleshoot High CPU usage by the "System" process


Data collector mobile app with mapping capabilities

Open Source equivalent to Collector for ArcGIS to use with QGIS/PostGIS?


Secular phrase of "bless you" (after someone sneezes)?

What are alternative responses for when someone sneezes?


How to check if two arrays are equal with JavaScript?


how to make a whole row in a table clickable as a link?


Including jpgs into Beamer when using sharelatex or writelatex


Finding particles in the classically forbidden regions

Can a particle be physically observed inside a quantum barrier?


Can't include a 'tabu' inside \newenvironment with cells in the postamble


Ruby on Rails: Is it better to apply validations on model or through JavaScript?

JavaScript: client-side vs. server-side validation


how to send custom object to WCF REST Service in browser based url

Passing complex objects into a WCF Rest Service


Customized citation for secondary quotes ("quoted in")

What is the most elegant way to cite two things connected by a 'joining word' with biblatex?


Is there a way to backup and restore ACL file and folder permissions on linux the way that there is using icacls in Windows?


A linear operator $T:V\rightarrow V$ has a cyclic vector iff $f_T=m_T$ (minimal polynomial=characteristic polynomial)

Minimal polynomials and cyclic subspaces


How to change the text style without affecting the typesetting?

wordbreaking, justification and ttfamily


An undefined reference error for files in a directory in c++

Why can templates only be implemented in the header file?


Why single-ended pcb trace impedance is fixed to 50ohms

Why Characteristic Impedance must be 50 ohms?


Finding the limit of $\frac {n}{\sqrt[n]{n!}}$


What is proper term for 'composure' when mentioning it as your strength?

Adjective for "terrified yet calm and capable"


Customizable inclusion of frames-slides from a huge Beamer presentation

Dynamically hide LaTeX beamer frame based on tags


Can I Make Extension Methods For System.IO.Path Class?

Can I add extension methods to an existing static class?


Proper way to add a user account via bash script


Parsing wmic logicaldisk get Information


How should one talk about multiple Greek letters in text?

What is the proper way to write the plural of a single letter? Or a word used as a word ('mention' usage)? (another apostrophe question)


Total pages number appears as question mark


Show a given subset is a regular submanifold

locally on $S$ one of the coordinates is a $C^∞$ function of the other coordinate. Show that $S$ is a submanifold of $R^2$


Why does the zoom sometimes stop at a point?


Circular polarizing filter - slim or regular?

Do I need a slim or normal polarized filter for a wide angle lens?


Write a program to find out whether a given post is talking about "harry" or not using Python?

How do I do a case-insensitive string comparison?


Prove sum of $\cos(\pi/11)+\cos(3\pi/11)+...+\cos(9\pi/11)=1/2$ using Euler's formula


subtitle syncing with timings copy-paste?

What apps to sync movie subtitles easily are available for Ubuntu?


Syntax Question Python, a command with two variables

How to pass multiple operator properties via UI layout?


Write the set $\{1, 6, 11, 16,\ldots\}$ in compact (concise) notation.


Revolution of a rigid body about a point external to the body rotation or translation?

How is Chasles' Theorem, that any rigid displacement can be produced by translating along a line and then rotating about the same line, true?


Was "the mother of all" a common expression before Saddam Hussein used it?


Reason for Column is invalid in the select list because it is not contained in either an aggregate function or the GROUP BY clause

GROUP BY / aggregate function confusion in SQL


How to properly create a new object that is a copy of another?

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


How can I create an advanced addon with a GUI and multiple settings for Blender 2.8x?

Creating a Custom Properties Tab in Blender 2.80


getting NullpointerException while passing data from Service to Broadcast Receiver

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


How to perform logistic regression with unbalanced classes?

Does an unbalanced sample matter when doing logistic regression?


How to access iframe's body and get its text value? without JQUERY

jQuery/JavaScript: accessing contents of an iframe


Codeigniter Uninitialized string offset: 0 error

Reference - What does this error mean in PHP?


Help with this challenge of the second degree equation


"1 new items in your Stack Exchange inbox"

E-mail subscription titles and content should use proper pluralisation


Is it possible to monitor HTTP traffic on Android knowing which application generated requests?

Monitor network activity in Android Phones


Is there an advantage of the new HTML5 elements?


Webserver/Minecraft server on same IP address

Prevent subdomains created for minecraft from directing to the webserver on the machine


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


how to use ajax to call a php and return a result

How do I return the response from an asynchronous call?


Showing that $i$ is neither negative nor positive


Dynamically added rows don't catch js code

Event binding on dynamically created elements?


How to export maps with PNG images with transparent background to PDF?

Exporting Graphic with transparency in layout to PDF using ArcGIS for Desktop?


SSH to server, Sudo su - then run commands in bash

Pass commands as input to another command (su, ssh, sh, etc)


How to check folder size in Google Drive

How to view the folder size in Google Drive?


Suspicious comma suggested by comma grammar checking software

Comma before "and" in compound sentences?


How to load a .NET assembly for reflection operations and subsequently unload it?


How sum of exponential variables is a gamma variable

Gamma Distribution out of sum of exponential random variables


How to get specific data that is present in an anchor tag

What is the best way to parse html in C#?


Blocking web sites with Windows Firewall


How to Silence Items in Sytem Notification

How can I customize/disable notification bubbles?


How to check if a string starts with a specified string?

startsWith() and endsWith() functions in PHP


Changing projection of shapefile in QGIS


How do I get this while loop to execute the if statements by typing in certain strings/characters


35-pass erase for files; will it recover or not?

Is there any way to recover deleted files which may have since been overwritten?


Python __import__ is only giving me top level module

How to import a module given its name as string?


Total 24 hours, Bounty ended 22hours ago, grace period ends in 1 hour, why 1 hour gone?

How does the hour calculation work for the bounty grace period notice?


Intuitively, why is $\sum_{r=0}^n r^3 =\bigg(\sum_{r=0}^n r \bigg)^2$?

Geometrical interpretation of $(\sum_{k=1}^n k)^2=\sum_{k=1}^n k^3$


Which SE community is best suited for finding out the purpose of constructed objects?

Q&A Identification of seldom man-made physical objects not being piece of art?


Locked post's error message for comment is not correct

Error message says I can't flag... but yes I can


How to get the path of running java program


Returning different int values for main()


How to merge 2 object from different list in c#?


How does the Cross section of a toy hovercraft affect on the time that it hovers?

How does the radius of a pipe affect the rate of flow of fluid?


"Latter" when referring to more than one

Equivalent of "former" and "latter" for more than 2 items


How do I test for an empty JavaScript object?


Can a familiar deliver only a portion of a touch spell?

Can a multitarget spell with a range of "Touch" be delivered by both a familiar and the caster simultaneously?


Indie movie about alien abduction on popcorn time, guy wakes up in a hospital with super strength, eventually realizes he's on a spaceship

Movie about teenagers who get abducted by aliens after they enter a house


Taking a File Argument and Moving to That Directory?

How to make `cd dir/filename` take me to dir/?


Need help understanding a NullPointerException

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


Geometric meaning of derivative of a complex valued function

Geometrical Meaning of derivative of complex function


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


How reliable is a system backup created with the dd command?

Using dd to clone a disk while mounted - risks?


How do I prove/disprove that $F_n^2 + F_{n\pm 1}^2 = F_{2n\pm 1}$, where $F_n$ is the $n$th Fibonacci number?


How can i get a value to be more exact in Java


Why are closed questions shown an option to protect?

Do not allow me protect closed questions


$ \vert x_m - x_n\vert \le \frac{K^{n-1}}{1-K}\vert x_2-x_1\vert $

Contraction mapping in the context of $f(x_n)=x_{n+1}$.


How to declare event handlers in a loop?

Passing functions to setTimeout in a loop: always the last value?


What functions satisfy f(f(x))=f(x) for any real x?


Which clothes are you punished for in the cities of Skyrim?

Does the faction of your armor/clothes affect character interactions in Skryim?


Error: Account is Not Allowed To Suggest Edits


intuition on the countable dense subset implying separability

Motivation for the term "separable" in topology


Windows 10 recovery without local administrator

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


What's the best way to detect if a given Javascript object is a DOM Element?

How do you check if a JavaScript Object is a DOM Object?


What is the recommended approach to compile sequentially some variants of code?

How can I automate the workflow for producing multiple versions of a document?


How to prove that the numeric series $S := \sum_{n=0}^{\infty} x^n=\frac{1}{1-x}\text{ for any } x<1$

How does the sum of the series “$1 + 2 + 3 + 4 + 5 + 6\ldots$” to infinity = “$-1/12$”?


If I buy V-Bucks, can I use them on other devices?

Do Fortnite V-Bucks Purchases Save on All Platforms?


"If $1/a + 1/b = 1 /c$ where $a, b, c$ are positive integers with no common factor, $(a + b)$ is the square of an integer"


Show that for any reals $a; b; x; y \ge 0, (ax + by)^2 \le (a^2 + b^2)(x^2 + y^2)$. (Hint: Use Cauchy-Schwarz inequality in $\mathbb{R}^{2}$.)

Prove $(a^2+b^2)(c^2+d^2)\ge (ac+bd)^2$ for all $a,b,c,d\in\mathbb{R}$.


Why can't we use a dispatch_sync on the current queue?

Clarifications on dispatch_queue, reentrancy and deadlocks


Why is Apache using a version of PHP I don't have?

phpinfo() and php -v shows different version of PHP


How can I combine two commits into one commit?

How can I merge two commits into one if I already started rebase?


How to get all simple properties of an object in C#

How to get the list of properties of a class?


Disable notifications when other audio is playing

How can I disable the notification sounds while playing music?


Remove list elements that contain NaN Symbol

Removing not-a-number entries from an array of numbers


Placing effective `linefeeds` into the text of nodes in a `tikzpicture` node

Manual/automatic line breaks and text alignment in TikZ nodes


Manually Place a Figure in LaTeX (here: End of Chapter/Section)


Consideration of fields to be used in SOQL Group By


Why is the speed of light a limit? and why is it just $3×10^8\,\text{m/s}$?

Why does the speed of light $c$ have the value it does?


Does breaking concentration of the slow spell break its effects immediately?

If a Slow spell ends due to a failed concentration (CON) saving throw, does the attacker get to make any remaining attacks?


Python - What is the difference of two way of declaring 2D list

List of lists changes reflected across sublists unexpectedly


Help solving first-order differential equation

How to solve differential equation $y=xy'+\frac12y'^2$


What does the keyword Set actually do in VBA?

What is the difference between dim and set in vba


Why is it legitimate to only observe motion, but call it time, such that concepts like “the relativity of simultaneity” are seen as possibly genuine?

Where in, Einstein’s "On the Electrodynamics of Moving Bodies" (Relativity), is “Time” reasonably shown to exist, or why is it a valid assumption?


Disappearing divider in ListView when ArrayAdapter.isEnabled returns false


Removing control chars (including console codes / colours) from script output


Looking for help with a proof that n-th derivative of $e^\frac{-1}{x^2} = 0$ for $x=0$.


Is a bank account or branch manager able to give higher interest rates on CDs to preferred clients?

Can a person negotiate with banks on CD interest rates?


how to loop through an object and test for if it's the only key present


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


Is it good practice to length match all traces of DDR3, or are only data traces important?

What references cover DDR3 layout considerations?


boolean function returns false value no matter what


Reflection of HDRI in Cycles not working?


Value of $f(2016),$ If $f(x) = f(2x)\forall x \in \mathbb{R}$ are given

Does $f(x) = f(2x)$ for all real $x$, imply that $f(x)$ is a constant function?


PHP / MySQL search with foreign languages

How would I implement a simple site search with php and mySQL?


How can I prove that m, n in $m^2 = 6n^2$ are not integers?

Verify my proof of the irrationality of $\sqrt{6}$.


How can I prevent a command block from saying a command was completed? (Like "Located player") Minecraft Bedrock

Is it possible to disable the 'Block Placed' message when using tellraw /setblock?


Upvoting the "possible duplicate" comment counts as flag as duplicate?

Does upvoting a duplicate comment do anything?


Book Recommendation For Complex Analysis

What is a good complex analysis textbook, barring Ahlfors's?


number field plus minus buttons stop working seconds after page load

Event binding on dynamically created elements?


What is the next number having the same number of bit 1s?

Computing the $n^{\textrm{th}}$ permutation of bits.


How to download from a direct link using batch files and Google Chrome?

Is it possible to download using the Windows command line?


Why are these constructs using pre and post-increment undefined behavior?


Correct way to render crepuscular rays in cycles?


How to convert List elements into separate data.frames?


Invalid data source error in QGIS while reading .gdb file

Accessing file geodatabase (.gdb) rasters with GDAL?


I get this error: dpkg: unrecoverable fatal error, aborting: files list file for package `fonts-tlwg-kinnari' contains empty filename


FPDF error: Some data has already been output, can't send PDF


Prove that $(\mathbb{Z},+)$ and $(\mathbb{Q},+)$ are not isomorphic.

Prove that the additive groups $\mathbb{Z}$ and $\mathbb{Q}$ are not isomorphic.


Error when signing up to my web application java

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


Are there any airliners that offer child-free flights? I would happily pay higher ticket price

Are there any child-free flight options?


Is that possible to bind a new property for an existing class's instance like JavaScript in c++?


Java - NullPointerExceptioneven when variable has been set in constructor


How do I get the current language in custom user edit Twig file?


How do I know I have the correct exposure when shooting in manual mode?


Compare two logs line by line and show differences and if the order of words from a line are not the same


How can this function's options be used in different places?


Maximum likelihood of a neural network vs crossentropy loss

the relationship between maximizing the likelihood and minimizing the cross-entropy


Why Microsoft Remote Desktop cannot make full use of network bandwidth?


Why does a star beyond a certain mass limit (Chandrasekhar limit) only become a black hole?


$\,f \colon \Bbb R^2 \to \Bbb R $ be continuous map such that $\,f(x)=0\,$

Properties of a continuous map $f : \mathbb{R}^2\rightarrow \mathbb{R}$ with only finitely many zeroes


which pronoun should I use for a singular third person in a scientific writing?

Is there a correct gender-neutral singular pronoun ("his" vs. "her" vs. "their")?


Prove that the odd polynomial equation $p(x)=0$ has at least one real solution (use intermediate value theorem)

Proof that every polynomial of odd degree has one real root


Find $ \int_0^\infty \frac{x}{x^3 +1} dx$


Characterization of integral quadratic forms representing the same numbers?

finding if two binary quadratic forms represent the same integers


Stream Reader process cannot access file because its in use by another process

How can I read a file even when getting an "in use by another process" exception?


Proving $\sum\limits_{n=1}^{\infty } \frac{\mu (n)}n=0$ where $\mu$ is the Möbius function


Proving that cartesian product is a group

Proving a direct product of groups is a group


Error with unicode-math and pgfplotstable


How many fix point free permutations of 5 elements are there?

Derivation of derangement with inclusion-exclusion


Event binding on dynamically created elements?


How to fix php use xxtea class XXTEA::encrypt($str, $key) get this ����>���||�


What is the term for the double consecutive use of a word with stress on one of the words to alter its severity?


how to restrict placement of client data to specific nodes in hadoop?


When to quote a parameter expansion, and enclose parameter name in braces?

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


Extract html attributes from string in PHP

How do you parse and process HTML/XML in PHP?


Pre and Post intervention with no pairing

Analysing pre-and-post intervention study with anonymous responses


How can I add a new screen resolution to an old laptop?

Adding newmode with Xrandr - "800x480_60.00"


Prove or disprove that $\forall k \in {{\Bbb Z}^ + }:k \geqslant 5,{\text{ }}{6^k} + 1$ is composite.

Are there infinitely many primes of the form $6^{2n}+1$ or only finitely many?


Load a WPF BitmapImage from a System.Drawing.Bitmap


Is there an intuitive explanation as to why Galois Fields exist only for a prime powers?


If one of $n$ coins is fair, then find the probability that the total number of heads is even

If nine coins are tossed, what is the probability that the number of heads is even?


mySQL insert just won't work, but will with other table

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


How to discover my own IP address after login?

Getting hostname of the computer connected to the ssh session


Cannot duplicate all ouput to a file with tar/pigz


Preloading images on safari for background image change


In which categories are epimorphisms equivalent to surjections?

Concrete Categories Where Epis are Just Surjections


How can I remove Ubuntu without affecting Windows so I don't have to choose an OS to boot at startup?

How to remove Ubuntu and put Windows back on?


MySQL query for last rows that have a specific field

Retrieving the last record in each group - MySQL


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


Purpose of Interfaces in Java API if every abstract method should be overridden by programmer

Is there more to an interface than having the correct methods


Want to calculate no of entries for a month from a date array

how to count dates entries monthwise from a resultset


div auto adjust height according to page width

Maintain the aspect ratio of a div with CSS


How to change icon of an webapp created with Chromium?

How can I change the Google Chrome webapp icon?


proving convergence of $a_{n+1}=1+\frac{1}{1+a_{n}}$


Automatically adding dimensions to polygons in QGIS

QGIS How to label individual sides of polygon


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


Find the number of ways in which $5$ subjects can be arranged if each subject is allotted at least one period and no period remains vacant.


How do I avoid rendering glitches from overlapping faces?


Polygon creation (Clockwise rotation or not)

Order of polygon vertices in general GIS: clockwise or counterclockwise


"Thread was being aborted." while redirecting to a page

Response.Redirect and thread was being aborted error?


Apostrophe s' or s's - When to use each?

What is the correct possessive for nouns ending in "‑s"?


How to forward a domain to a Wamp Apache server

How long does it take for DNS records to propagate?


Cannot install Ubuntu in VirtualBox due to "this kernel requires an x86-64 CPU, but only detects an i686 CPU, unable to boot" error


java.lang.NullPointerException at CardView OnClick

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


how to differentiate row echelon matrix from reduced row echelon. so I beg for your help, thanks in advance.

Differences Between Row Echelon and Reduced Row Echelon


Radially symmetric charge distribution (dipole moment)


How to run a root/admin shell in Terminal?


What is the best resolution and quality for website

Does the dpi number reported by camera in JPG have any meaning?


I think I found a bug at `polynom.sty` or my calculation is wrong

How to show the full remainder in polynomial long division?


Can I skip over releases when upgrading?


ubuntu 16.04 upgrade - two finger scroll not working

Dell Inspiron 3551 Unresponsive Touchpad


I am creating directories using shell script and i am using 'chmod g+s' permission on the directory but the recursive permission is failing

See permissions for new files on a given directory


Is there a cruise ship from Hong Kong to Taiwan?

Is it possible to travel by sea between Hong Kong and Taiwan?


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


Why must the future tense not be used after 'unless'?


Why is Euler's Gamma function the "best" extension of the factorial function to the reals?


Is there something similar or like "pass" in python in bash/shell programming?


Why is it impossible to make a monopole magnet?

What is the explanation of the non-existence of magnetic monopoles?


Plural form of noun before noun for the title of position in organizations

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


A question about commutativity of linear operators

Can commuting matrices $X,Y$ always be written as polynomials of some matrix $A$?


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


Getting NullPointerException Error in Java


Why does the sun always have some whiteness?

Why does bright pure red/green/blue light look white if bright enough?


Why do I need multiple sites for the same property in Google Webmaster Tools?

Should I submit https:// and http:// in Google Search Console both with and without the www?


DirectX 11 is installed but programs say DirectX 9.0c is needed

Should I install DirectX 9.0(c) on my Windows 7 RTM machine?


Commas separating adjectives to describe mathematical objects.


Intercepting call to the back button in my AJAX application


How would one outline an alpha transparency layer in javscript and/or php?


OpenCV 2.3 Compiling Issue - Undefined Refence - Ubuntu 11.10


Proving multivariable limit using epsilon-delta definition


Specifying WorkingPrecision in LogLogPlot produces invalid plots

LogPlot axes labels destroyed when working in high precision


Java.lang.NullPointerException on a null object reference


R.layout.activity_starting_point can not be resolved


"Polynomials" with non-integer exponents


How to create an embossed/low relief texture?


Why does every injured person in Game of Thrones refuse Milk of the Poppy?


Is it a good idea to start a thread from its own constructor?

Java: starting a new thread in a constructor


What's the name of that anime that had necklace and gems that summoned fighters

Anime with a boy hiring a creature from a stone, meets a man named Dante and starts a journey to collect crystals


Let $k\in\mathbb{N}$ and $a>1$. Show that $\lim_{n\to\infty} \frac{n^k}{a^n}=0$.

How to prove that exponential grows faster than polynomial?


How I save and retrieve an image on my server in a java webapp


Prove that $\sqrt[3]{2}+\sqrt[3]{4}$ is irrational

How to prove that $\sqrt[3] 2 + \sqrt[3] 4$ is irrational?


system of equations $\sqrt{x}+y = 11$ and $x+\sqrt{y} = 7$.

Steps to solve this system of equations: $\sqrt{x}+y=7$, $\sqrt{y}+x=11$


Do satellites over very panicked countries calm them down?

What is the benefit of launching a satellite "a few days before the monthly report"


Is it possible to compute $x^{1389}+(1/x)^{1389}$ from some premises?


The C Programming Language (K & R); Re: Chapter 1 (EOF)

What is EOF in the C programming language?


iPhone like picker control using Javascript\Jquery

iPhone-like (slot machine) 'picker' select box for the web?


Difference between a function and a method in terms of Functional programming

What's the difference between a method and a function?


Determining permutations of numbers that sum to a certain score in the context of survey research

extended stars-and-bars problem(where the upper limit of the variable is bounded)


What is the purpose of jQuery clean and cleanData methods?


How do I compare two dynamic arrays and check which elements match?

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


Upgrade to level 2 or deploy another building?


How to move everything but the last files?

Linux - Delete last two files automatically


Python try...except comma vs 'as' in except

In Python, what's the difference between 'except Exception as e' and 'except Exception, e'


I have a problem while installing the Virtual box in Ubuntu 18.04 with dual boot UEFI secure boot


why while installing 'xcrysden' error is shown up as 'package has no installation candidate' on ubuntu 19.10?

How do I enable the "Universe" repository?


How many 5-digit numbers have distinct digits and are divisible by 3?

How many $5$-digit numbers with distinct digits are divisible by 3 (and generalize)


Please explain an apparent conflict between precedence of && and || and the actual result of an expression


hibernate the computer for a given amount of hours

Automatically sleep and wake-up at specific times


Trying to make a shortcut through python

unicode error preventing creation of text file


How to change a HDD NTFS partition into a ext4 partition without to loss any?


Where is the Ubuntu file system root directory in Windows Subsystem for Linux and vice versa?


Is  && statement() the same as if() statement()?


Method of second activity to change the textview not getting called from main activity

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


Vertical align elements displayed as block inside of div

How can I vertically align elements in a div?


Is there a benefit for accessing fields via `this`?

In Java, why do people prepend fields with `this`?


Plot Legends when first argument was generated by Table[]


java.lang.NullPointerException...int java.lang.CharSequence.length()' on a null object reference


Are there ways to browse a website blocked by my ISP?

Geo-blocking / geo-location. How to disable or get around it?


How can I extract a predetermined range of lines from a text file on Unix?


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


Proving identity of Japanese great grandfather when no marriage record?

Finding my Great-Grandfather when DNA test not conclusive?


This is not valid housing. What is valid housing?


I forgot to give back the I94-W form and departed from a Mexican airport

How can I ensure my exit from the US by land is recorded?


multiple definition error including c++ header file with inline code from multiple sources


Proof of a claim on a continuous function in [0,1]

Assuming: $\forall x \in [0,1]:f(x) > x$ Prove: $\forall x \in [0,1]:f(x) > x + \varepsilon $


Render shadow on transparent background with Blender Render

How to make a model cast shadows onto the world texture/background?


Tips and resources for beginning designers


How can I manually install a package on MiKTeX (Windows)


How efficient is V.A.T.S in comparison to manual gameplay?


Why were 'Regularization' methods (Lasso, Ridge, Elastic Net) created in the first place?


How to use `find` command with a directory starting with special characters

How do I delete a file whose name begins with "-" (hyphen a.k.a. dash or minus)?


How to build Android application in QT5 using OpenCV on Windows

How to integrate OpenCV into Qt Creator Android project


How do i change just one side of a mirrored model?