Synchronized method or Synchronized block : Which one is better while writing singleton class in java?

What is an efficient way to implement a singleton pattern in Java?


How many close votes do I actually have each day?


Question posted twice despite following the question posting process only once

New question asking form sometimes leads to accidental double posts of questions


What is the scope of variables in JavaScript?


What exactly is weakly informative prior?


OpenCV Contours in Python: How to solve 'list index out of range'


Unclear behaviour of Position, lists and functions in general

Finding where a specific number appears in an expression


When trying to change an item in matrix all item are changing(python 2d list)

List of lists changes reflected across sublists unexpectedly


Unable to click pictures with nikon D3500

Why do I get the "Press Shutter Release Button Again" error when my D3200 isn't set to max. aperture?


\documentclass[10pt, a4paper]{article} not working properly


Eclipse Kelper EclEmma code covarage exclude

Ignore code coverage for unit tests in EclEmma


How to invert a mixture of log-logistic distributions?

How to find quantiles and likelihoods of mixture distributions?


How to convert a datetime text into datetime object in Python?

How do I parse an ISO 8601-formatted date?


How can I replace a relay with a MOSFET Transistor?


How to generate 4 digit random numbers in java from 0000 to 9999

How can I pad an integer with zeros on the left?


How to know that your machine learning problem is hopeless?


how to fix ''nothing to repeat at position 2''


Did Vader reach out to the Force to reacquire his lost potential?

Could Vader Have Become Strong Enough In The Force To Leave The Suit?


Proof that if $n^2/r^2 = p$, with $p$ prime, then $n$ is divisible by $p$

Proof of Euclid's lemma using fundamental theorem of arithmetic


Is there any way to graceful restart mysqld?

Is there a graceful or safe restart for mysql like for apache httpd?


StreamCorruptedException: invalid type code: AC


By the end of the Batman Trilogy, how many people came to know the true Identity of Bruce Wayne?


LWC Tree Grid Won't Display Relationship Fields From SOQL!

Is it not possible to get a parent field in a datatable column specification, for a Lightning Web Component?


Setting a greyscale (or monochrome) color scheme


Meaning of pass by reference in C and C++?

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


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


Can I transfer from Heathrow T3 to T5 without a visa? I am a Philippine Passport holder

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


Installation: can't boot the ubuntu 12.04

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


Using jQuery functions on javascript generated DOM elements

Event binding on dynamically created elements?


Flag weight is not getting decrease after flag a post on MSO


Java inner class and static nested class


$\sqrt{m}+\sqrt{n}\notin\mathbb{Q}$ Irrationals, Roots Proof

Can $\sqrt{n} + \sqrt{m}$ be rational if neither $n,m$ are perfect squares?


Pin variable used in extend assembly to any register than has a 1 byte extension register and use that extension register in the assembly

GCC inline assembler, mixing register sizes (x86)


GTA V requires internet to save progress


How to make a point out of 2 intersecting lines?

How can I add vertices to intersection of two edges?


How to select a face (to add a texture) after importing from STL?

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


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


Cannot login to tty / Login incorrect / Unity Launcher and Menu Bar disappeared in 14.04


Trouble downloading packages list due to a "Hash sum mismatch" error


Aligned equation which can break through pages


How can I revert my edit, when it is still in the review queue?

How can I cancel an edit I made on another user's question or answer?


How to fix 'android.os.NetworkOnMainThreadException'?


Is There Something Called a Weighted Median?


R: 2 colours in ggplot, 1 for boys, 1 for girls

Controlling line color and line type in ggplot legend


Package dependency tree broken : unmet dependencies

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


Calculating Variance of the LogOR for within subjects studies for a meta-analysis

How can I compute a log odds ratio for a within-subject design that could be meta-analyzed with log odds ratios from between-subject designs?


How to create a new partition in Ubuntu 14.04?

How do I resize partitions using command line without using a GUI on a server?


I got "BEGIN PGP PUBLIC KEY BLOCK" attached to an email and I don't know what it is


In an integral domain $R$, are principal ideas always equal to $R$ ??

Why is a finite integral domain always field?


Mergesort: getting java.lang.StackOverflowError for 100000 numbers but not for 10000


Floating point arithmetic not producing exact results


JavaScript Array of Key/Value Pairs Uses Literal Variable Name for Key


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


Is $(V^\perp)^\perp=\overline{V}$ when $V$ is a subspace of a Hilbert space $H$?

Double orthogonal complement is equal to topological closure


How can I make Windows the default OS in GRUB?

How do I set Windows to boot as the default in the boot loader?


What are the different widely used RAID levels and when should I consider them?


Even I checked all the things I receive headers already sent,why?

How to fix "Headers already sent" error in PHP


How to run an application in a different language?

Is it possible to launch a program in a specific language?


Changing values of class instances in a function


DisplayMemberBinding for list of objects in wpf


how to combine multiple row and get a table as shown in the picture?

How to create a table with merged columns and rows, and wrapped text, like in MS Word?


Formatting numbers a certain way in bash

How to zero pad a sequence of integers in bash so that all have the same width?


How to start a process and leave it running using php?


Why doesn't gcc produce a warning for this


Can't get sharp focus on Canon 7D at 250mm f/32


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


LOST.DIR folder appears all the time in my tablet

How to prevent Android from creating LOST.DIR on SD card?


Are all complex analytic functions holomorphic?

A function is analytic if and only if it is holomorphic


Every time on start up my pc sets a proxy which is https://127.0.0.1:86/

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


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


In a family with two children, what are the chances, if one of the children is a girl, that both children are girls?


Understanding Royer oscillator (for wireless power transfer), (specially mosfet gate driver circuit)


Create a '.desktop' shortcut for 'Show Applications' on Ubuntu 18.04


What are bitwise shift (bit-shift) operators and how do they work?


Find a set A of rational numbers that is isomorphic to sup{$\omega$, $\omega^\omega$, $\omega^{\omega^\omega}$, $\cdots$}

Question of an isomorphism of $\epsilon_ 0$ and a subset of the rationals.


Real life examples of AR and MA PROCESSES

Real-life examples of moving average processes


How to extract string between two characters with sed

Extracting a regex matched with 'sed' without printing the surrounding characters


List of lists changes reflected across sublists unexpectedly


How can we fix the emtpy form action error reported by HTML5 validators for default ASP.NET 4 pages, and will this affect SEO?

Does Google consider W3C validation errors of a website? If so why www.google.com has 23 Errors, 4 warning(s)


Assigning Object() containing reflected class MyItem objects to reflected class property MyItems()

How can I create an instance of an arbitrary Array type at runtime?


Ubuntu 18.04 x86_64 packages missing in APT

How do I enable the "Universe" repository?


how to identify and change apps which are set as startup items

How can I prevent applications from running on startup?


Show link to revision history when there are revisions but no edits


Fibonacci Sequence and odd/even addition

Proof by Induction: Alternating Sum of Fibonacci Numbers


How can a check duplication scam like this work?

Can't the account information on my checks be easily used for fraud?


Is repeating the word "that" ok, if it is technically, grammatically correct?

How do you handle "that that"? The double "that" problem


"LNK2019: Unresolved External Symbol" error with glew/glut

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


Prevent a rollback of an inserted record due to an exception


Making a div vertically scrollable using CSS


Show that the limit exists and find it's value?

How to prove that $\lim \limits_{n\rightarrow \infty} \frac{F_{n+1}}{F_n}=\frac{\sqrt{5}+1}{2}$


How do I merge two dictionaries in a single expression (taking union of dictionaries)?


Does $1.0000000000\cdots 1$ with an infinite number of $0$ in it exist?


Regression with some associated ordinal dependent variables

How to analyze data with more than one associated categorical dependent variables?


LaTeX says it can't find a file but actually it does

How to include graphics with spaces in their path?


Is there a data annotation equivalent to Entity Framework's fluent API's WillCascadeOnDelete()?

Entity Framework Data Annotations equivalent of .WillCascadeOnDelete(false);


Is this correct grammar: "[...] cash can't be beat."


NSAttributedString setFont does not apply to emoji characters

Increase the font size of emoji characters in a UITextView in iOS 5.x


Why is the Array Modifier offsetting this object by 1 in the Z axis when the Z field says 0?


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


Why does __int64 take 12 bytes inside struct?

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


Keeping track of constraints for graph coloring?

List of lists changes reflected across sublists unexpectedly


How do i convert from LaTeX, to XeLaTeX for better Unicode listings

Frequently loaded packages: Differences between pdfLaTeX and XeLaTeX


How do I change the Site Feed item limit?

Limit the amount of posts for Newsfeed (Site)


Method has the same erasure as another method in type


Area interpretation of integrals for the floor function


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


Travel from Charles de Gaulle Airport to Montparnasse

How do I get from Charles de Gaulle Airport (CDG) to Gare Montparnasse


Can I use OLS to estimate an ARX(1) model?

What's wrong if I fit the auto-regression with OLS?


How do I bring back the little menu under the main window?

The bar at the very bottom of the screen has gone away?


How do I detect a click outside an element?


how do i sort the following array/stdclass object in php?


Can't install any app, App Store asks for money

Can't install any app, App Store asks for credit card


Why does getRealPath() return null when deployed with a .war file?

What does servletcontext.getRealPath("/") mean and when should I use it


$x^2+y^2=z^n$: Find solutions without Pythagoras!


Proof verification: uniqueness of empty set


Java: Object references and re-assignments

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


Short story where a moved book in a library changes time

Identify a book with a social engineering theme


$z^n=(z+1)^n=1$, show that $n$ is divisible by $6$.

Complex numbers - Exponential numbers - Proof


How to avoid jQuery on() method bind twice?

Best way to remove an event handler in jQuery?


Function that takes a list and returns a list with only unique elements from the original?

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


Create an sql query for two tables for a one-to-many with pivot relation conversion

Can I concatenate multiple MySQL rows into one field?


Eeeek! Where did the reputation graph go?


A word/phrase to describe this type of person

Single word for people who are like "a frog in the well"


Encouraging users to flag off-topic posts before making a comment that it is off-topic to avoid cross-posting

Is there something we can do against "Ask this on xyz.SE" comments?


Animated movie where young boy is transported to another world and travels with a burly warrior and a owl like wise man

Help identifying a show I used to watch as a kid


Keep author name in multiple citations with common author

Disable compress the author year in natbib


How to resolve the error in java : Exception in thread "main" java.lang.NullPointerException in an online compiler

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


Problems with my Ubuntu 14.04 64 bits bootable USB

Not booting from USB or CD (SYSLINUX Message)


Put a comma in a number larger than 999 in visualforce?


Enter on Visa Waiver, then convert to J-1

Traveling to the US on the VWP before entering with a J1 visa


HTML limit files selected when the user tries to upload

How to limit the maximum files chosen when using multiple file input


Understanding tiles folder and file names

Seeking documentation for {z}/{x}/{y} syntax in tilesource urls?


Is there a gender-neutral term for witches and wizards?

Is there a single word that describes both Witches and Wizards?


Can an IRA recharacterization be unrecharacterized?

How to file form 8606 when doing a recharacterization followed by conversion?


C++ delete - It deletes my objects but I can still access the data?


How to fetch md5 password from database php?


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


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


Book about an alternate history where the Cuban Missile crisis turned into full-scale war

Help Identifying an Alternative History Novel


Is there a school of thought that addresses an engine behind every physical aspect of the universe?

Is the universe isomorphic to a universal turing machine?


In higher-order derivatives, such as $\frac{d^2y}{dx^2}$, why is the exponent on $d$ in the numerator and $x$ in the denominator?


What is the function of the word 'happy'?

Is it possible to use adjectives as adverbs?


How to create a core dump even if the process is normally running?

Is it possible to get a core dump of a running process and its symbol table?


Using a product of a series of curve25519 scalars as a private key

Why are the lower 3 bits of curve25519/ed25519 secret keys cleared during creation?


How to understand a C++ Template parameter like ""?

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


Can we move "Start a bounty" to a more intuitive location?


Why am I getting the incorrect output for list?


Select from one table if no records found in another

Find records from one table which don't exist in another


Finding the error in this proof that 1=2


Can one sell the game made in unity free version?

Is it legal to sell or monetize games created with the Unity 3D free edition?


How to check who or what is using up the RAM?

How do you find out which program is using too much memory?


If a box is carried 2 flights of stairs to an attic, is more work done than opposed to go straight up with a ladder?


C# WinForms - filtering one combobox based on the value of another combobox in a databound datagridview


Remove extra header lines from file, except for the first line


A good way to retain mathematical understanding?


Ubuntu 18.04 "sudo apt update" not working. Getting a lot of "Target packages is configured multiple times"

How can I fix apt error "W: Target Packages ... is configured multiple times"?


Ubuntu server error: file '/grub/i386-pc/normal.mod' not found. grub rescue>


Does CAST(DateTime AS DATE) cause the entire table to be CAST before comparison?

Cast to date is sargable but is it a good idea?


How to find the right questions that I can answer?


Two layovers in the Schengen zone with a Canadian passport. Do I need a visa?

What conditions need to be fulfilled to enter the Schengen zone visa free?


Looking for a calculus based physics book

Recommendations for good Newtonian mechanics and kinematics books


Guarding against cryptanalytic breakthroughs: combining multiple hash functions


dynamic auto update highcharts using ajax from mysql database


How to associate an image with a term taxononmy and publish it on frontpage?


How to validate an email address using a regular expression?


My KeyListener doesn't respond to my JPanel

keylistener not working after clicking button


Tikz: Multi-line text in the node description

Manual/automatic line breaks and text alignment in TikZ nodes


error while loading shared libraries: libatomic.so.1: wrong ELF class: ELFCLASS32

How can I install Swift on Ubuntu 19.04?


Legally possible to re-create/remake an old game?

How closely can a game legally resemble another?


Null pointer exception while reversing linked list

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


Where do I ask questions about the Windows OS?

Are there 'stack' sites for Mac or Windows?


MySQL: JOIN tables and return a column from a row depending on an aggregate function on another column

How can I SELECT rows with MAX(Column value), PARTITION by another column in MYSQL?


Cant use filter where to virtual colmn in select MYSQL

Using column alias in WHERE clause of MySQL query produces an error


The central limit theorem, What it means

What intuitive explanation is there for the central limit theorem?


QGIS2 to QGIS3 plugin migration issue AttributeError: type object 'QObject' has no attribute 'connect'


Setup Windows Remote Desktop on port 80?


How to change Facebook password without SIM?

How do I recover the Facebook account password?


Font not available despite being installed


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


Why doesn't this division work in Python?


How to install Ubuntu 16.10 without any gui?

How to run ubuntu/xubuntu in a complete non-gui mode


Prereqs for The Geometry of Physics by Frankel


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


Encoding categorical variables with lots of categories

Principled way of collapsing categorical variables with many levels?


Defining new unit (year, century) in siunitx


Using LIMIT within GROUP BY to get N results per group?


Is there any way to get a cantrip from a book outside your PHB+1?

Does the PHB+1 character-building limit in Adventurers League include spells?


"elements required by agent" is "required" here an adjective or verb?


Layover at Tokyo Narita airport: can I travel outside, and what kind of visa would I need?


Finding a derivation of $\vdash{(\lnot\lnot{p}\to{p})}$

Questions about proving $\lnot \lnot a = a$


Night pictures lights superimposed to a second location?

is it normal to get significant lens flare with a 50mm f/1.8 prime lens?


I'm getting a java.lang.NullPointerException: null error and I don't know what is missing

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


Using CSS to affect div style inside iframe


Lubuntu wifi doesn't see 5ghz network on b43


Why my DCIM folder is empty seen in the computer but not empty in the phone


$a\overset{\vert}{\smile}_{A}b$ iff $MR(a/A)=MR(a/Ab)$ in totally transcendental theories

non-forking extension is equivalent to sameness of morley rank


do javascript switch statement case allows to use an expression


Java's relational operators not working correctly in if-else condition. Android Programming


SceneBuilder cannot create instance of custom component with given set of properties


Trying to run steam on kubuntu 16.04 but it crashes immediately after launch


what is the meaning of "had they used their gift"? does it conditional?does "as D.D. Home used his" means that he should followed the advise?


Official reasons for "Software caused connection abort: socket write error"


About the proof of square root of 2 is irrational

Why no common factors in proving root 2 is irrational?


Composite video Input to 2016 MacBook Pro for streaming

Best way to import analog video tape to Mac?


Why do I get java.lang.AbstractMethodError when trying to load a blob in the db?


hibernate: LazyInitializationException: could not initialize proxy


E: dpkg was interrupted... run 'sudo dpkg --configure -a'


How to insert date and time to a filename in a batch script?

How do I get current date/time on the Windows command line in a suitable format for usage in a file/folder name?


Using while loop, issue with referencing from static context

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


Eclipse launcher shortcut in Ubuntu 18.04

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


Grub - boot debian iso file from ntfs partition and install it


Excel Count number of cells based on three dependent selects

Count number of rows with conditions met in two columns


Is there a way to schedule airplane mode for iphone?


why is 219 running before the gnome login on my computer?

What does "ACPI PPC Probe failed Starting version 219 " mean exactly?


Getting working wifi on macbook air? (Broadcom BCM4360, ubuntu 16.05, wireless-info included)

Ubuntu Wifi drivers not working after getting update


How to reinterpret cast a float to an int? Is there a non-static conversion operator or user-defined assignment operator for conversion on 'this'?


Proving the inequality $(x+y)^\alpha \leq x^\alpha + y^\alpha$


Resolve build errors due to circular dependency amongst classes


How to introduce an edge where two faces intersect

How to create vertices/edges/faces at the intersection of an object and a plane?


Jquery button click() function is not working

Event binding on dynamically created elements?


How to enable 4GB in my Windows 7 64 bit?


I cannot open Ubuntu Software Center on 17.04 in the normal way or using the command line

How to install Ubuntu Software Center on Ubuntu Gnome 17.04?


Is the B&W setting on cameras like the PEN-F no different than using Photoshop?

What's the difference between using black and white mode in-camera, and converting in post?


Skipping acquire of configured file 'main/binary-i386/Packages' as repository 'xxx' doesn't support architecture 'i386'


tikz - draw tree with left or right branch

How do I make an unbalanced binary tree?


Java array throws Null pointer when in scope

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


Why does the director's name always show up in the end of the credits?

What rules govern how TV show opening credits are structured?


Apache 2 could not bind, address already in use


How non-abelian group of order pq looks like?

Nonabelian semidirect products of order $pq$?


Can any Christian action truly be morally good?


How to create a procedural chevron like texture/material?


What are the most common pitfalls awaiting new users?


How does the Fighters possible bonus action from Action Surge work?

Does an Action Surge grant a second bonus action?


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


What does it indicate if a multiple regression model is significant but none of the individual predictors are significant?

Significance contradiction in linear regression: significant t-test for a coefficient vs non-significant overall F-statistic


How can I recover files from a Western Digital (WD) My Passport external hard drive?

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


Why is a continuous mapping from a compact metric space to another metric space is uniformly continuous?

Continuous mapping on a compact metric space is uniformly continuous


I cannot understand why this is not valid housing


Is there a fast way to get the characteristic polynomial of this symmetric matrix?

Determinant of a specially structured matrix ($a$'s on the diagonal, all other entries equal to $b$)


scanf() leaves the new line char in the buffer


Why can we ignore the upper layer when computing gravity inside solid sphere?

Gravitational field intensity inside a hollow sphere


What are the possible problems caused by adding elements to unsynchronized ArrayList's object by multiple threads simultaneously?


hello i am trying to call method in a string but i am facing error method invocation may produce

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


Why does empty string literal evaluate to false in javascript?

What is the reason that an empty string evaluates to false in Javascript


Low storage space and 65gb in System dir?

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


Is it quite expensive to Exchange euros to pounds and vice versa at Heathrow?

When traveling to a country with a different currency, how should you take your money?


What a RegEx that can match text in parentheses with nested parentheses

Regular expression to match balanced parentheses


What to do when windows D partition has been deleted?

Recover data from full format on NTFS partition


Prevent stop of code execution on undefined value

Test for existence of nested JavaScript object key


unable to install vlc noob question kubuntu

"Unable to locate package" while trying to install packages with APT


Does Python have an equivalent to (expression) ? option-1 : option-2 syntax?

Does Python have a ternary conditional operator?


How can I test to see if a player is NOT in a boat?

How to use exclamation marks in Minecraft commands?


String issue, and if- statement won't work - Java


Make a document look like it's been redacted by the CIA?

"Black marker" effect in the text (sanitization used to hide passwords in code example)


Webmin Unable to correct problems, you have held broken packages

How do I enable the "Universe" repository from the command line?


Exeeding the speed of light by adding velocities

What is the relative speed of two near-light speed particles headed towards each other?


How can I vertically center a "div" element for all browsers using CSS?


Android/Java Parse anonymous JSONArray object


You have uncommitted work pending. Please commit or rollback before Http Callout

Problem with Process Builder Invocable Method and Webservice Call out


How can one change the timestamp of an old commit in Git?


C++ - Template static method with templated parameter inside template class

What are some uses of template template parameters?


The close vote dialog should give an option to close without leaving a comment (like the review deletion dialog)


Books for particle physics and the Standard Model


Why do they separate some parts of PCBs through making wide holes?

Why route air gaps for voltage isolation on PCBs?


Read environment variable using Macros iOS

How do I use the C preprocessor to make a substitution with an environment variable


How to print c for cos and s for sin in latex math

Trigonometric notation with Initial capital Letter and Italic


Ubuntu server 18.04 slow boot due to drm_kms_helper

How to diagnose/fix very slow boot on Ubuntu 18.04


ERROR: 'Could not compile stylesheet' FATAL ERROR: 'java.lang.NullPointerException'

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


Is there a way to convert a player character to a CR rating for the purpose of calculating combat difficulty?

If I design a PC for use as an NPC, how much XP should he give when killed?


Choice of personal pronoun in single-author papers


Copy stdout and stderr to a log file and leave them on the console within the script itself

Redirect all subsequent commands' stderr using exec


Making layer or group private/hidden/invisible in Layers Panel of QGIS


Do you use an apostrophe for a group or institution name?

Is it correct to say "I write children books" (not possessive case)?


How to use plugins_url() inside PHP stylesheet file

How can I use WordPress functions in my stylesheet?


i am getting a null-pointer at resource.length() and i am not able to figure it out why? even though the the file has data


PCH warning: header stop cannot be in a macro or #if block

PCH Warning: header stop cannot be in a macro or #if block - Visual C++ 2010 Express SP1


Difference between anti-matter and matter black holes


Will I be able to return to Amsterdam to retrieve my lost residence permit?

How can my friend who lost her French residence permit card before exiting the Schengen Area return to France?


In the Cricket and Soccer/Non-American Football World Cup, why do the players lead children during the beginning?

Why do players enter with children on the ground?


Purpose of the magnetics center tap in Ethernet

Why Are Ethernet/RJ45 Sockets Magnetically Coupled?


Solutions of Diophantine equations in Natural numbers


C++ how to get length of bits of a variable?

How to count the number of set bits in a 32-bit integer?


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


Prove that the complex function $f(z) =\frac{z}{1+|z|}$ is injective


Do mathematical objects exist after their definition?

Do numbers exist independently from observers?


How to resolve merge conflicts in Git repository?


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


Which is correct: "...she knew it was I even before..." or, "...it was me..."?

Which one is correct to say: "It's me" or "It's I"?


sed unknown option to `s' in bash script

sed fails with "unknown option to `s'" error


What is the meaning of * in python functions

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


Mustache templates: How to output a block only once for non-empty lists


Trying to launch windows after uninstalling LXLE: file /boot/grub/i386-pc/normal.mod not found

error: file '/grub/i386-pc/normal.mod' not found


Is the notion of 'weight of Earth' meaningless?


What is the word for a person who destroys momentum?

What do you call a person who "shuts down" ideas?


Why HikariCP is not always faster than other jdbc connection pools?

How do I write a correct micro-benchmark in Java?


tried to change the inner element of dynamic div through class name but its not working

How to use getElementsByClassName in javascript-function?


How do you use the iPhone Reachability Notifications

How to check for an active Internet connection on iOS or macOS?


android error 495 while downloading application , why is there no solution for it?

What is error code 495 on Google Play and the YouTube app?


SSL version of site served by Main Server instead of virtual host (Apache 2.2.15)

Multiple SSL domains on the same IP address and same port?


Is there a word for "people who are computer illiterate"?


Prove group G has a subgroup $H_i$ where group operation is multiplication

Prove that $G$ contains a subgroup $H_i$ for each $i\in\Bbb Z$ with $\dots\subset H_{−2}\subset H_{−1}\subset H_0\subset H_1\subset\dots?$


Transit through Stockholm (Schengen) from Beijing to Ukraine?

Do I need an airport transit visa through Switzerland (Schengen) if I have no Schengen visa?


How do you access the matched groups in a JavaScript regular expression?


Why didn't R2-D2 and/or C-3PO spill the beans?

Why doesn't C3PO recognize Leia in R2's recorded message?


jQuery - binding to elements that are not yet created

Event binding on dynamically created elements?


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


Integrating the formula for the sum of the first $n$ natural numbers


Computing $\lim_{n \to \infty}\frac{| \sum_{k=1}^n (-1)^k \sqrt{k}|}{\sqrt{n}}$

Prove $\lim\limits_{n\to \infty}\frac{1}{\sqrt n}\left|\sum\limits_{k=1}^n (-1)^k\sqrt k\right|= \frac{1}{2}$


Why does entropy of an ideal gas break the third law of thermodynamics?

Entropy of an ideal gas in $T\to 0$ limit


Is it possible to get the source code of a (possibly decorated) Python function body, including inline comments?

How can I get the source code of a Python function?


How can I get help on terminal commands?


How to keep my background image settings?

Packed images used as background don't show up when reopening the file


Stuck at a blank screen after nvidia update

Boot hangs after installing the latest driver from PPA and Ctrl+Alt+F1 keyboard shortcut doesn't work


Degree of a field extension $F[x]/(g(x))$ over the field $F$


Can I make files deleted on the NAS automatically go to the recycle bin?

Put files deleted over the network into a Windows trash can?


Texmaker - only show image name while inserting images


Problems opening Spotify on Ubuntu 14.04

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


Is "performance" singular or also plural?


Prove that the set of eigenvalues of block matrix with blocks $A$ and $B$ is the union of eigenvalues of $A$ and $B$.

Prove that the eigenvalues of a block matrix are the combined eigenvalues of its blocks


make my javascript function requirejs/amd friendly?

How to make a jQuery plugin loadable with requirejs


Show a function in $C$ is constant function if modulus of $f$ less that a given function

Prove a function is constant. (complex analysis)


Difference between the Law of Large Numbers and the Central Limit Theorem in layman's term?

Central limit theorem and the law of large numbers


continuous mapping is determined by its values on a dense subset of its domain

A continuous mapping is determined by its values on a dense set


How are Animagi’s animals related to the wizards themselves?


Evaluating $\int_{-a}^a \frac{f(x)+1}{b^x+1}\,\mathrm dx$ for a $y$-axis symmetrical function $f$

Showing that $\int\limits_{-a}^a \frac{f(x)}{1+e^{x}} \mathrm dx = \int\limits_0^a f(x) \mathrm dx$, when $f$ is even


Bypass variable argument list in a function

Forward an invocation of a variadic function in C


Change the order of the data frame when creating a layout

Changing default Data Frame Order using ArcMap


How can I access memoized values from parallel evaluation?

Parallelize evaluation of function with memoization


fancyhdr package: Not Displaying header and footer

Fancyhdr does not apply same header/footer on chapter and non-chapter pages


How to instantiate and work with objects containing other objects?

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


Did Tyranus plan to kill Sidious and rule himself?

Why didn't Count Dooku expose Palpatine?


How to deal with a model that can't be fit due to quasi-complete separation?

How to deal with perfect separation in logistic regression?


Save all the variable with file name containing the Time stamp

How can I automatically name files being exported based on input parameters


illegal start of expression in public void actionPerformed(ActionEvent ae)

How do I fix an "Illegal start of expression" error in Java?


How do I invoke my custom settings provider?

How do I supply extra info to IApplicationSettingsProvider class?


is there a way of using PHP code stored in mysql after using php to retrieve it?

How do I execute PHP that is stored in a MySQL database?


How to know if any two arbitrary qubits are entangled?

How do I show that a two-qubit state is an entangled state?


Prove that some topology is not metrizable


Why do we have a down vote rep threshold for meta?


Text formatting enhancements on Facebook


Looking for an appropriate English name to replace my Chinese name


Installer doesnt detect my windows partitions in /dev/sda

Why does the Ubuntu installer not detect the hard drive during installation?


How to escape strings in SQL Server using PHP?


function template specialization syntax for cpp file

Why can templates only be implemented in the header file?


How do I overlay a photo of a face over a character on a video?


How to testfor somebody that does not have a item in their inventory in minecraft?

How to use exclamation marks in Minecraft commands?


What does "certain" mean in this passage?

What are "a" and "certain" adding in meaning to the phrase "a certain Mr. Ripley"?


Prove $Z_{mn}$ has at least $2$ idempotent elements besides $0$ and $1$.


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


How does anyone know that Gollum had the Ring?


If $ \det\left(A+X\right)=\det\left(B+X\right) $ for any $ X $ then $ A=B $

Prove/disprove: if $\det(A+X) = \det(B + X)$ for all $X$, then $A=B$


For an infinite dimensional Banach space, $X^*$ when given the weak* topology is of the first category in itself

$X^*$ with its weak*-topology is of the first category in itself


Circuitikz symbols in TikZ circuit library


Blocks instead of performSelector:withObject:afterDelay:

How do you trigger a block after a delay, like -performSelector:withObject:afterDelay:?


How can I return a result set of records with duplicate columns in SQL

How do I find duplicate entries in a database table?


How to remove bad box type error :- Overfull \vbox (17.18265pt too high) detected

how to remove these errors in my tex presentation slides?


Why do some bad traits evolve, and good ones don't?


“To solve” vs “For solving”: what is the difference?

'I have decided to purchase a jet for getting to NYC and back more quickly.'


How does the syntax "${foo##*.}" work to get file extensions?


Why the question author is totally blank?


why to avoid check for null after new as per ISO C++

Is it useful to test the return of "new" in C++?


What is wrong with using Kolmogorov's inequality for finding the expectation of the maximum of normal random variables?

Finding a bound on the maximum of the absolute value of normal random variables


Google webmaster Tool showing : 170 not found 404 errors!

Google reports 404 errors on URLs that haven't existed for six months and are no longer linked to on my site


Illustrator - How to let one layer show through another

How to 'power clip' images into an object in Illustrator


How does one divide by a vector when calculating pressure?


Does a router have a unique MAC address? Is it detectable by a website?

Is your MAC address revealed when you hit up a website?


Can I run Ubuntu 20.10 smoothly on Intel Pentium G3220?


Updating to a newer macOS version - how can I avoid potential pitfalls?

Finding out if upgrading to a newer macOS version will cause issues?


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


Client stuck without sending data to server


difference in defining functions : JavaScript

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


Product of nilpotent matrices is nilpotent

Let $A$ and $B$ be square matrices of the same size such that $AB = BA$ and $A$ is nilpotent. Show that $AB$ is nilpotent.


How to change hotkey that switches keyboard layouts?

Windows 7 - use [Win key] + Space for Switch Language


C++ help related to Upper and Lower cases

How to convert an instance of std::string to lower case


Prove, in this figure, that $EFGH$ is a parallelogram


Methods to compute $\sum_{k=1}^nk^p$ without Faulhaber's formula


Change the default Category selection from a checkbox to an optionbox


Android - Conversion to Dalvik format failed: Unable to execute dex: Java heap space


What is the difference between 'rm' and 'unlink'?


Event binding on dynamically created elements?


How to merge/join two file based on common field with repeated rows

Merge files based on matching of first column


Add notification when your question is closed as a duplicate by a mod

Send authors an inbox message if their question is closed


C++ template  undefined reference in header file

Why can templates only be implemented in the header file?


Preserve only the shadows and highlights to be overlaid another images?

Add Transparent pattern/effects to png image on saving


How can I find a mentor to critique my work?

How can I get a mentor currently, as a student?


Is there a way to insert a character into a RegExp pattern?

How do you use a variable in a regular expression?


n number of cans on a circular track will traverse a car around it


Making a deep copy of a struct with arrays in it?


How to extract a word that occurs between two keywords on a line?

extract value between two search patterns on same line


How to apply the ! (not) operator in simple terminal commands

How do I list every file in a directory except those with specified extensions?


Ghosts/almost dead had their hearts ripped out and now have to pump them by hand and never sleep?

Fantasy book series about people who are accompanied about animals representing their "soul"


Exceptions that allow the use of "will" after "if"

"If I go.." vs. "If I will go.." referring to the future


How do you properly use namespaces in C++?


softlayer_api gem OpenSSL::SSL::SSLError (SSL_connect returned=1 errno=0 state=SSLv3 read server certificate B: certificate verify failed):


How to query data range including data formatting (color, font) in Google sheets?


What is the metal sheath surrounding a USB connector, and is it commonly connected?


Is there C language documentation on Linux?

Is there any manual about C in Linux? If any, what is it?


Why is the matrix multiplication defined as it is?


SQL command or trigger needed to capture changes in tables


When should I use "to have a dinner" instead of "to have dinner"?

the dinner vs. dinner (grammar question)


There is no model for a contradiction M $\models \phi \land \lnot \phi$

Why $L$-structures cannot satisfy a contradiction


Was or is this the thing that you mentioned to me yesterday

Facts in reported speech – to backshift or not


How do i delete the inner side of this shirt


How to change CSS of a lightning-accordion-section label in Lightning Web Component

Target inner elements of standard Lightning Web Components with CSS


Python array value unexpectedly changes after function call

List of lists changes reflected across sublists unexpectedly


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


Running Ubuntu's latest release on Lenovo T430


Unique quadratic subfield of $\mathbb{Q}(\zeta_p)$ is $\mathbb{Q}(\sqrt{p})$ if $p \equiv 1$ $(4)$, and $\mathbb{Q}(\sqrt{-p})$ if $p \equiv 3$ $(4)$


Trouble finding an NJM2360D Boost Converter EAGLE library

Are there surface-mount pin header footprints for KiCAD?


C# - Encoding.ASCII.GetString() returns "??" instead of actual string, why?


How can I find Dogmeat after I've made him stay in Fallout 4?

Where can I find Dogmeat after dismissing him to Sanctuary Hills?


How to change default encoding in NetBeans 8.0

How to change file encoding in NetBeans?


I cannot understand the definition of big O notation

What is a plain English explanation of "Big O" notation?


Is it unreasonable to assign a MySQL database to each user on my site?


Show a homomorphic image on a group is a subgroup

Why is the image of a homomorphism a subgroup of the codomain?


Subscript out of bounds (Caret variable importance for randomForest)

Variable importance using the caret package (error); RandomForest algorithm


Win10 50% of memory being used on nothing


How many particles are there in the entire universe?

Dumbed-down explanation how scientists know the number of atoms in the universe?


Why isn’t my weak reference cleared right after the strong ones are gone?


Best way to run shell commands from python

How to execute a program or call a system command from Python


Where do the values for t tables come from?

How to approximate the student-t CDF at a point without the hypergeometric function?


Visual Studio 2008 stopped processing "find all"

Visual Studio "Find" results in "No files were found to look in. Find stopped progress."


Logged in user changes automatically on page refresh


Spinning wheel has pauses after each rotation?

How can I prevent a pause at the end of animation loop to have fluid motion.


How to prove Lagrange trigonometric identity


Nginx won't listen to 443 even when netstat says it does


Quick or Quickly: “How to Install a PHP Extension: Quick and Easy”

Using short adjectives as adverbs, such as "easy" & "short"


Where is the apply option in modifiers for 2.9?


I want to use \includegraphics but I can't

Which graphics formats can be included in documents processed by latex or pdflatex?


How do I create app folders in the GNOME application menu?


how to make Kalman filter results equivalent to linear regression?

How to make Kalman filter results equivalent to linear regression?


Extreme caching issue allowing answers to closed questions

Why was an answer allowed on a question that was merged into another one?


How to modify a bibliography style to surround titles in quotes in a bibliography?


Screen become black after upgraded from 17.04 to 17.10

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


Show that $I_2 = (2, 1+ \sqrt{-5})$ is not a principal ideal

Why is $(2, 1+\sqrt{-5})$ not principal?


How can I install on a non-PAE CPU? (error "Kernel requires features not present on the CPU: PAE")


Will corruption/hallows destroy mud-based life?


Return to an already open app when a user tries to open a new instance if same version?

How to Return to an already open application when a user tries to open a new instance if same version?


Does Hexblade Warlock need Dual Wield Feat?


minecraft java edition 1.13 player join detector?

Run command whenever someone joins a Minecraft server


how to use the terminal with linux 13.10?

What is a terminal and how do I open and use it?


What is the difference between two desktop installation command?


In what cases, if any, is there a difference in performance between prefix and postfix increment/decrement operators in C?

Is there a performance difference between i++ and ++i in C?


If $\gcd (a,b) = 1$, what can be said about $\gcd (a+b,a-b)$?


Why do professors take on service duties?

Why do research faculty pursue administrative positions, such as dean, provost, president, etc. ? Do such positions spell the end of one's research?


Why won't my Lightning Component Attributes store entered value


Please add mobile version to the help center

Complete mobile version especially the help center


Automatically Give All Custom Post Types a Pre-Set Category

How to add a default item to a custom taxonomy?


Too many revision when post status is changes

How to avoid infinite loop in save_post callback


How do we construct the coslice category $C / \bf{C}$ given $\textbf{C}/C$ and prove that the two are equal?


What is the most comfortable way to sleep on a plane?


Prove that if m is an integer and there is a rational number r/s so that (r/s)^2 = m, then there is an integer n so that n^2 = m.

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


Java RegEx for key value pair in one or more lines

Regular expression for parsing name value pairs


How to draw a tikz diagram with a rectangular u-shaped edge connecting two blocks?

How to draw a return arrow from node-3 to node-1


How to get to the GRUB menu at boot-time?


No mapping found for HTTP request with URI [/WEB-INF/pages/apiForm.jsp]

Why does Spring MVC respond with a 404 and report "No mapping found for HTTP request with URI [...] in DispatcherServlet"?


How to colorize an image as in the example?


Why there is a huge extra blank space at the beginning of this document?


$\frac{1}{p}+\frac{1}{q}+\frac{1}{r}=1 $ then Holder's inequality

Hölder's inequality with three functions


C# displaying documentation on method when dot operator is invoked on a class

How to have comments in IntelliSense for function in Visual Studio?


Can I view hidden files and directories from the Open or Save As dialog boxes without making them visible in the Finder?

Hotkey to show hidden files and folders in File Open dialog?


Squeeze/sandwich theorem for $\lim\limits_{n\rightarrow\infty}\frac{n!}{n^n}$

Limit $c^n n!/n^n$ as $n$ goes to infinity


Dual nationality (US/UK) visiting US but US passport expired, missed deadline to renew

What documents to show if I'm a US citizen with no US passport to re-enter the US?


HELP! Prove that the number $\sum_{k=2}^{n}\frac{1}{k}$ is not an integer

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


Why does't the export command work on PS1

Customized prompt does not hold when a child bash is ran


knapsack with dynamic programming complexity doesn't match with the real result

What is a plain English explanation of "Big O" notation?


NSTimer timerWithTimeInterval: not working


According to this $0!$ Should be not defined, but why it is not?


C# - byte array - byte[] - Is there a simple comparer?


Error in tables numeration: All tables with caption but some numbers missing

Table number not right after using tabularx


What is an alternating series which converges but the Alternating Series Test does not apply?

Is there a convergent, alternating series that fails the AST?


Do humans have enough biological differences to be grouped into races or subspecies?


What would have been the story of the Universe if there was no mechanism to produce massive fundamental baryonic particles?

What would the universe be like if Electroweak symmetry were unbroken?


What is this style of art with blue and red shades called?

Is it possible to create 3D red/cyan anaglyphs in a hand drawing?


How to get the Current Height and Width of the Browser

How do you get the client size in a Silverlight Application?


Is it a problem if a UK visa was issued but not used?


Confused, whether java uses call by value or call by reference when an object reference is passed?

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


Retrieving Comments from a PostgreSQL DB


How do I fix gaps around my lean-to greenhouse?


Should I Address a Letter to "Professor" xyz when they are actually a "Lecturer in Discipline"?


Is Bran able to have children after his fall?

As things stand, will House Stark go extinct?


How can I control playback of video textures?


recode and target of assignment expands to non-language object

Error in  : target of assignment expands to non-language object


How to join CSV data (based on admin boundary names) to shapefile of aforementioned boundaries in R?


Restrict pan and zoom in ArcGIS Javascript API?

Restricting base map on specific extent in ArcGIS API for JavaScript 3?


can i convert steam games in my library to my steam gift inventory?


Problem combining -or and -exec with find command

`find` with multiple `-name` and `-exec` executes only the last matches of `-name`


Is there a way to tell JSTL ${} to escape html globally, instead of on each use

Escape HTML entities in JSP / JSPX: no solution for problem that should not even exist?


Why did the texture I painted in texture paint mode disappear?


How do I install applications in Ubuntu?


What package is used here to produce the beautiful summary?


How to select interactively datasets to plot with Manipulate


Unable to generate jasper report in Weblogic Server but works perfectly in Glassfish Server

Why am I getting a NoClassDefFoundError in Java?


Find index of maximum element in x86 SIMD vector

Getting max value in a __m128i vector with SSE?


how to set temporary directory relative path in simple jsp file upload? FIleNotFound Exception

Recommended way to save uploaded files in a servlet application


How to remove a pip package installed with sudo -h

How do I detect and remove Python packages installed via pip?


Looking for advice on my first investment

Best way to start investing, for a young person just starting their career?


Counting ways to partition a set into fixed number of subsets


How do I Sort a Multidimensional Array in PHP


how det(A)=0 implies that the solution isn't unique?

If $A$ is invertible show that $\det(A) \neq 0$


GLM for proportion data in r - with many zeros (or ones)

How to deal with perfect separation in logistic regression?


Get the cartesian product of a series of lists?


NET::ERR_CERT_COMMON_NAME_INVALID when following a link to a Meta site?

A bot script needs to be run to convert meta.[site] URLs to [site].meta URLs


when and how to use overloaded operator( )


What is wrong with this demonstration regarding the sum of all naturals?


How to validate textarea before clicking submit?


$f(x)\in\mathbb{Z}[x]$, $\frac{r}{s}\in\mathbb{Q}$ is a root of $f(x)$ with $(r,s)=1$. Show that $r-ms$ is a divisor of $f(m)$ for any integer $m$

Prove: $p-mq | f(m)$ where $m$ is any integer


Why can templates only be implemented in the header file?


Testing if ArcPy script will work with lower license level?

Setting ArcGIS Desktop license to lower level for testing whether Python script still runs?


How to find difference between 2 unix timestamps (milliseconds) and convert into human readable format

How to convert milliseconds into human readable form?


Retrive clicked component from a panel-drawed composite tree

How to generate events from graphics generated by Java2D


Constructive questions closed as not constructive

why are the best questions the ones which have been closed?


Is it possible to lock the shutter and aperture dials on a Nikon D610?

How to lock speed dials on Nikon DSLR (D600) while in manual mode


Help page for watching tags is out of date

Help center still has the guidance about old Favorite tags


Unable to find expected entry 'restricted/source/Sources' in Release file on 14.04

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


blender shape face angle inside outside measurement


Dimension of Vector Space and Subspace Proof.

Prove that if W is a subspace of a finite dimensional vector space V, then dim(W) ≤ dim(V).


How should I transfer pdo qoute into query?

How to include a PHP variable inside a MySQL statement


Travel to Italy Via Germany Using US Refugee Travel Document

Travelling through the Schengen area with a Refugee Travel Document issued by the USA


How to enable javascript in browser if it was disable?

How to detect if JavaScript is disabled?


Deleting a post shouldn't clear auto-flags about comments

Don't automatically clear the possible comment abuse flags when a post is deleted by the owner


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


JQuery Ajax Replacing items with Jquery functions on it

Event binding on dynamically created elements?


Recovering files from old internal disk without windows authentication

Accessing Data from an Old Windows XP Hard drive


No dual-boot available after installation of Ubuntu 14.10 alongside Windows

How can I repair grub? (How to get Ubuntu back after installing Windows?)


How to change the forgotten root password?


Is it possible to run ArcGIS 9.3 python script for ArcGIS 10.3?

Migrating ArcPy scripts from ArcGIS 9.3 to 10?


LSTM for time series forecasting bad performance

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


Terminal command to identify and clear runaway system storage

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


Efficiently convert rows to columns in sql server


How can I make a reference to a Glossary that typesets as \glossarytoctitle?


How can you tell if a collection is “too large” to be a set?

Classifying whether a collection of objects is a set


"there doesn't seem" vs. "there don't seem"


Best way to show relevant experience when applying for a loosely related Masters?

Graduate school admission with a degree in a different field


Let R be a commutative ring, and I, J denote two ideals in R such that I + J = R. Is it true that IJ = I ∩ J?

$R$ is commutative, $I$,$J$ are ideals, $I+J=R$, then $IJ=I\cap J$


Prove there exist $a, b$ coprime such that $a|r, b|s$ and $lcm(r,s)=ab$ with $r, s\in\Bbb{N}$

If $n,m \in \mathbb{N}$ then there are $c,d$ such that $cd = (m,n)$, $(c,d) = 1$ and $(m/c,n/d) = 1$.


One covid vaccine must be stored at -70 degrees Celsius

Why use sucrose rather than glucose in an injectable vaccine?


Minecraft: java.net.connectexception no further information. Me and my girlfriend get this error when we try joining each other's lan worlds

How to solve the "io.netty.channel.AbstractChannel$AnnotatedConnectException: Connection refused: no further information" error on Minecraft?


kernel panic not syncing vfs unable to mount root fs on unknown block oo swapper not tainted

Kernel Panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)


Unable to log into Pokemon Go on mobile data but can on wifi

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


Is a 1hr 3min layover at ORD (Chicago) enough when coming in international?

Does a 55-minute layover suffice at Chicago O'Hare International Airport?


What is the deep reason of length contractions and time dilations?

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


Integral around unit sphere of inner product


Can you wear padded armor under chainmail with plate armor over it?

Combining various AC-providing clothing and armor


RegEx match open tags except XHTML self-contained tags


Using Code Snippets in Class Extensions - shortcut won't work

Xcode code snippet for class continuation?


Debug logs not working for Site Guest Users (Force.com sites) after the Winter 17 release

How can I get a debug log for the sites guest user/public profile? [updated for Spring 18]


How to comment multiple rows with # on Notepad++

How to comment out multiple lines at once in Notepad++?


Can I use an external hard drive with an Android phone?

Is it possible to use external hard drives with USB OTG?


Split a Flac file and create a cue sheet on OS X

How to split big flac file int tracks and fill the id3 tag?


How to remove Ubuntu and put Windows back on?


Can you make chemical structure diagrams in LaTeX?


Which macros define spaces around table and float environments?

When should we use \begin{center} instead of \centering?


What are the differences between the C and C++ preprocessors?

Is a C++ preprocessor identical to a C preprocessor?


Is there any way to import Marmoset toolbag materials to Blender?

.fbx export why there are no materials or textures?


Difference between  and != operators in MSSQL Server

Should I use != or  for not equal in T-SQL?


receive and store SMS to a specific application

Android – Listen For Incoming SMS Messages


$|A^2|=|A|$ for every infinite $A$ iff Axiom of Choice holds.

Show that an infinite set $C$ is equipotent to its cartesian product $C\times C$


How can I read a file and display only the relevant lines using grep?


how to convert "12A,13B,14C" to [12A,13B,14C] in javascript

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


Converting String to Int in Android, JSON

How do I convert a String to an int in Java?


$\operatorname{adj}(AB) = \operatorname{adj} B \operatorname{adj} A$


How many forms does Sonic The Hedgehog have?

What are all of Sonic the Hedgehog's transformations?


What happened to the Hobbits and the Dwarves after the Elves left?


Law of large numbers for Brownian Motion (Direct proof using L2-convergence)


How to pass command line arguments to a shell alias?

Make a Bash alias that takes a parameter?


What is the remainder when $32^{32}$ is divided by 3

Mod of numbers with large exponents [modular order reduction]


How can I overlay a still image directly on top of a rotating image?


Integrating surface area of a sphere with a cylinder “drilled” out


Python: given a set of elements return a collection of all its permutations

How to generate all permutations of a list?


Story about main character with regeneration powers

Main character can "manipulate" his own time


MYSQL - do not add duplicates depending on another field value

How do I specify unique constraint for multiple columns in MySQL?


System.out.println and System.err.println out of order


Dependency injection and Libraries/Frameworks

Dependency Inject (DI) "friendly" library


Correct format to combine text and columns to create a new column?

What is the most efficient way to concatenate strings in SQL Server?


Warning: preg_replace(): Unknown modifier


How do you get a timestamp in JavaScript?


On Cesàro convergence: If $ x_n \to x $ then $ z_n = \frac{x_1 + \dots +x_n}{n} \to x $


jQuery not triggering .click function from a jQuery generated HTML tags

Event binding on dynamically created elements?


Traveling to Prague for a university exchange as a student from Canada (for 4 months) although I hold dual citizenship as an Italian citizen

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


Show that $f$ is identically zero if and only if $\int_a^b f(x)dx = 0$

$f\geq 0$, continuous and $\int_a^b f=0$ implies $f=0$ everywhere on $[a,b]$


Can I do a negated wildcard on the command-line?

How can I use inverse or negative wildcards when pattern matching in a unix/linux shell?


High outbound network traffic on Tomcat under process nodeJR

How do I deal with a compromised server?


I have no space for upgrade. I was extended my disk and gparted it, but still no space for upgrade

Logical volume is not mounted but is in use. Please close all applications using this device (eg iscsi)


Unable to run javac though java is working


I tried to add a new template helper function to my class and now I get a LNK2001 error. How to fix?

Why can templates only be implemented in the header file?


Proper resolution for large scale printing

What resolution should a large format artwork for print be?


How does the windows START command know where to grab programs from?

Why does "start winword" work but just "winword" doesn't?


How do I write a correct micro-benchmark in Java?


Proving that $\overline{S \cap U} = \overline U$ if $U$ open and $S$ dense

Prove that for a dense set $A$ and an open set $U$, $U\subset \overline{A\cap U}$


Binomial theorem $(a+b)^n=\sum \limits_{k=0}^{n}\binom{n}{k}a^{n-k}b^{k}$


Java create object but not the arrays that come with it

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


How can I find all lines containing two specified words?

How to run grep with multiple AND patterns?


How do you find the equation of the smallest circle that passes through the centres $C_1$ and $C_2$

Ray-Casting algorithm in Ray-triangle intersection


Trying to find a true condition for an empty record


Different output for apt-get update and apt update

Long list of Hit and Get from sudo apt update


To disable button or to not disable button?

Disabling submit-button until the user has completed the form


How to retain 0s after decimal point, after converting string to double

How do I print a double value with full precision using cout?


Where are GNOME keyboard shortcuts stored?


Why is the triangle inequality property of a metric space important?

Why is the triangle inequality property important for metric spaces?


Declare footnotes outside the paragraph text


Using more than 4 GB ram in Ubuntu 32 bit

How to fully use the 4 GB of RAM in my Laptop under Ubuntu 9.10 - 32-bit


NTFS long path policy doesn't work on new windows update

Windows 10 "Enable NTFS long paths policy" option missing


Can I include the completion of Udacity and Coursera classes I have attended in an academic CV?


Let $A,B$ be $m\times m$ matrices such that $AB$ is invertible. Show $A,B$ invertible.

Show that AB is singular if A is singular


Why is there no gravity in the center of a celestial body, yet there is gravity on the surface?


Is Star Wars: The Clone Wars animated TV series canon?

How is canonicity of derivative works determined for Star Wars?


Prove that , any primitive root $r$ of $p^n$ is also a primitive root of $p$


What is the location of this Windows 10 wallpaper?

Is there a website listing the location of all the Windows 10 lock screens?


What are the $5$ different combinations of $4$ numbers that can add to $8, 9, 10$ or $11$?

Dr Math and his family question. How to solve without trial and error?


What is the noun that corresponds to the verb "to miss"?


Polish citizen flying from Canada to Honolulu with a layover in Chicago

When do I clear US customs and immigration if connecting at a US airport to my final destination elsewhere in the US?


Relation Between Partial Correlation and Beta Coefficient in Multiple Regression

Multiple regression or partial correlation coefficient? And relations between the two


Why does Ubuntu's `venv` require installing `python3-venv`?

ensurepip is disabled in Debian/Ubuntu for the system python


How can i get rid of a null pointer exception in an action event?

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


Popup Window stopped working after jQuery update


What causes blue and red gradient/shade around black spots in photos?

Where do these "redshifts" and "blueshifts" come from?


A while loop with an if statement and a for loop in it


Why "std::accumulate" needs explicit overloaded "operator+"?

Why does ostream_iterator not work as expected?


How to write a method to remove non alphanumerics in a string and display it in a list

Apex: Is there a way to strip out non-alphanumeric characters from a string?


How to read and write into file using JavaScript?


Universal rope if for every continuous function $f:[0,1] \rightarrow \mathbb{R}$ with $f(0)=f(1)$


Why is there no friction at the top and bottom of loops?

Does friction always act opposite to the motion of the body?


How to know that an iPhone that I purchased from a third-party is not JailBroken?

How can I tell if my iOS device is currently jailbroken?


A point on a disc travelling at the speed of light

Euclidean geometry in non-inertial frame


The infinite intersection of finite sets

intersection of infinite collection of finite sets?


Question about the graph of the square root function


Problem with calling kotlin void from java classes

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


Weird usage of conditional operator (>?=)


Identification of the polynomial given symmetric relations

Identify $P(2014)$ if $P(i)=1/i$ for every positive integer $1\le i\le2013$


Prove that for any positive integer $n$, $2\sqrt{n+1}-2\le 1+\frac{1}{\sqrt{2}}+\frac{1}{\sqrt{3}}+\dots+\frac{1}{\sqrt{n}}\le 2\sqrt{n}-1$

How to prove the inequality $2\sqrt{n + 1} − 2 \le 1 +\frac 1 {\sqrt 2}+\frac 1 {\sqrt 3}+ \dots +\frac 1 {\sqrt n} \le 2\sqrt n − 1$?


bash set -e: How to find out on which line the script exited on?


Hi there, I'm a newbie to ubuntu and just installed ubuntu 20.04 and after the install I noticed that my wifi driver was unrecognized


Is there a Windows program to edit photo time stamp in batch like in Google Photos?

How to shift EXIF date/time created by time in days, hours, minutes?


How do you make an array of structs in C?


How to avoid over tighten or stripping screws with an impact driver?

When would one use an impact driver versus a regular drill?


Getting a null pointer exception on this line of code. What is a null pointer? And how do i fix


Can I use B1/B2 visa to travel to the US without a business purpose?


How to convert a specific cake recipe I have to make brownies?

How do you convert a cake recipe to make brownies?


How to make use of Devel debugging functions on large or complex objects


Beginner Issue (Python) - How do I remove words from a list under a certain length

Strange result when removing item from a list while iterating over it


Split algorithm over two pages, inside a for loop


Delete All files except specific file in bash

When running `rm -rf`, is it possible to exclude certain subdirectories?


What was the floppy disk in this scene from The Matrix?

What was Mr. Anderson (Neo) selling on discs to Choi?


aov() and lme() give completely different results in analyzing repeated measures

Why do lme and aov return different results for repeated measures ANOVA in R?


Refreshing a question doesn't update the answer count properly


iOS: Usage of self and underscore(_) with variable


Null pointer Exception Android json parsing using Volley

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


Why does Chrome truncate the decimal width of a 100% width table in a div?

Are the decimal places in a CSS width respected?


How can I fix a problem where italics prevent line breaking when using microtype?

LuaLaTeX protrusion problem with Negative value


Test if value of cell is used in a formula

In Google Spreadsheet, finding what formulas reference a given value


Why would a JavaScript variable start with a dollar sign?


Why couldn't Checkov beam Khan to the ship at the end of Star Trek Into Darkness, but after Khan and Spock fight he could?

Why don't they use the transporter in the final fight in Star Trek Into Darkness?


Creating Desktop or terminal comands shortcuts to open a program

How to run scripts without typing the full path?


Paternal uncle as sponsor for UK plab 2 visa?

Should I submit bank statements when applying for a UK Visa? What do they say about me?


Why can't I send emails from the command line to my gmail account


Somone 'has been friends' with someone -what is this structure?


Prove that for positive real numbers $a,b,c$ we have $\frac{a}{b+c}+ \frac{b}{a+c}+\frac{c}{a+b} \geq \frac{3}{2}.$

Proof of the inequality $\frac{a}{b+c}+\frac{b}{a+c}+\frac{c}{a+b} \geq \frac{3}{2}$


Horizontal Time Line that depend on the status picklist of an object in visual force page

How to create a visual indicator of Stage on Opportunity record


lock your camera view to landscape mode in android

How to lock the orientation to Portrait when using intent ACTION_IMAGE_CAPTURE?


Proving that the sample mean of a random sample drawn from the standard Cauchy distribution is also standard Cauchy distributed

Proving the sum of two independent Cauchy Random Variables is Cauchy


Using modified copyrighted music in non-commercial games


A more succinct expression for "The day before yesterday"


Uncertainty of PDF quantile estimated from empirical PDF


C++ Using static class function from another header, "class_name" has not been declared

Resolve build errors due to circular dependency amongst classes


How many times do I have to play a random fraction of a playlist to hear each song at least once?


Pronunciation of street/road/avenue/etc. names


Query to find GUID's "not in" null containing subquery returns no results


How did photographers touch up photographs before the invention of Adobe Photoshop?

How did they post process before Photoshop?


Would airlines increase prices for a customer who must travel at a certain time, e.g. to attend a funeral?

How to find decent airfares when you need to travel urgently due to personal circumstances and only for a very short time?


Fourier series of the odd extension of a function

Fourier Series of "Split" Defined Function


why blender motion track didn't render the movie?

Background image not appearing in motion tracking render


SQL Insert into table only if record doesn't exist


Is there a better method of adding an element to an array than iteration?

Add new item in existing array in c#.net


How can I check if view axis is "top", "bottom" etc?


Grub Rescue No Windows Repair Disk Plz Help

How to remove Ubuntu and put Windows back on?


IOS7 Status bar hide/show on select controllers


Why is my function returning NaN although I've used Number() function?

What is the scope of variables in JavaScript?


Finding a particular angle from a triangle


A car is parked by an owner amongst 25 cars in a row not at the two extremes. On his return he find that exactly 15 places are .


Existence of a Pivot Point in Euclidean Geometry


Is there a way to programmatically determine if a font file has a specific Unicode Glyph?


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


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


For an Integer Array |a| and Integer |i| in C, a[i] gives the same result as i[a]

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


If X and Y are two sets of vectors in a vector space V, and if X $\subset$ Y, then is span X $\subset$ span Y?

Let $S$ and $W$ be subsets of a vector space $V$. Show that if $S$ is a subset of $W$, then $\mathrm{span}(S)$ is a subspace of $\mathrm{span}(W)$


How do I use wget to download YouTube videos?


What is the current theory underlying the concept of fields?


Can two Java methods have same name with different return types?

Overload with different return type in Java?


How to parse file with array of objects gets turned into string

Safely turning a JSON string into an object


Ingress hacking streak back to '0' despite definite hacking within 24 hrs

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


How to use the RdBu Colors with Colorbrewer Cycle with PGFplots?


How can I easily share the output of a command or a text file with others?


Can the activity dropdown say more than just "+2 tag wiki"?


Coefficients of the characteristic polynomial det($xI+A$)

Coefficients of characteristic polynomial of a matrix


Hyphenation of adjectives composed of three words


Where is the line between programming-specific tools and programming?

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


ANDROID JSON jsonObject with value shows NullPointerException error

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


Whats the simplest way to edit and add files to "/var/www"?


Create a data.frame where a column is a list


Schengen Visa Refusal: lack of evidence and high risk applicant

Schengen visa refusal for visitor visa - possible resolution?


Getting "__r" relationship name from Schema.SObjectType.Fields


Error in sudo apt-get update on ubuntu 15.10

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


Do anyone know a good software that where I can easily find the metric from the stress-energy tensor?

Open source computer algebra systems for general relativity


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


Trying to find an old old short story about an immortal woman

Identify this story about a quickly healing woman


Did the specific date Tony chose to go to the base have some significance?

How did Tony and Cap know about the place in 1970?


Formatting any string to string "yyyy/MM/dd"


What's the name of signal encoding used by WS2812 LEDs?


can't echo in terminal "bash: /etc/odbcinst.ini: Permission denied"

sudo echo "something" >> /etc/privilegedFile doesn't work


Bash: variable insertion into curl call not working


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


Setspace package and vertical distance between footer and text

What does this warning mean? (fancyhdr and headheight)


Induction to prove Fibonacci's sequence grows exponentially fast

Prove by induction that for the Fibonacci numbers $F(n)$ with $n \ge 6$, $F(n) \ge 2^{n/2}$


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


What does it mean when 5 year fixed is lower than 5 year variable

If banks offer a fixed rate lower than the variable rate, is that an indication interest rates may head down?


Stuck in Grub 2.02 after Windows 10 update

How can I repair grub? (How to get Ubuntu back after installing Windows?)


Links on the user page are HTTP, not HTTPS

Non-https links to other StackExchange sites in User profile when using https


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


Multiple linear regression cannot be proceed

What is the effect of having correlated predictors in a multiple regression model?


What is the real answer for this geometric series?


How can I change the date modified of a folder to the last changed file inside?

How do I change folder timestamps recursively to the newest file?


Why does the contour plot shows blank part?

White regions in DensityPlot — is this a bug with ColorFunctionScaling?


What does the identity operator look like in QFT, written in momentum eigenstates?

How to derive completeness relation in quantum field theory with a Lorentz invariant measure?


Can not get correct sha256sum hash for Kubuntu 15.10 DVD


Get free space of "C:" drive using batch file


Is the C# Programming Guide right on pretending that arrays implement `IEnumerable`?

Why do C# multidimensional arrays not implement IEnumerable?


Please consider displaying reputation decreases in the Achievements trophy icon

Display lost/negative reputation in topbar achievements


MYSQL 5.7: Password not generated after installation on CentOS 7 server

How to reset or recover admin account password for MySQL?


When a sentence uses a parenthetical plural, should the rest of the sentence treat it as singular or plural?


Biblatex with Biber: Configuring my editor to avoid undefined citations


Exception in thread 'main' java.lang.NullPointerException

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


Can Cycles renders be done from the command line?


TikZ/pgf: Why does `\newline` and `\\` not split text in node?


If A and B are n×n matrices, then |A+B^T |=|A^T+B|

Determinant of the sum of matrices: $\det (A + B^T) = \det(A^T + B)$


How to get rid of this System.ListException: List index out of bounds: 0 error in my test class


Add a contact community tool for Moderators?

Can we get a more efficient way of contacting the team?


How should the end of a quotation be punctuated?

Is it ever acceptable for a period to come after a quote at the end of a sentence?


Sign with one DKIM key for all subdomains

How do I use OpenDKIM with multiple domain names on a single server?


Error: unexpected inconsistency; run fsck manually

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


Use a rectangular contour to evaluate the integral


Can a PS Plus subscription be used for two profiles?

Does it matter if I bought something on the wrong account?


Bash - move/rename numeric sorted files from input number onwards

Rename files by incrementing a number within the filename


How can I install drivers for Realtek-RTL8192EU-chipset-0bda:f179 without internet access?

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


I've rooted my phone.  Now what?  What do I gain from rooting?


Prove that there is no nonabelian simple group of order less than 60

$G$ is non abelian simple group of order $<100$ then $G\cong A_5$


Which LaTeX package provides this text typeface?

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


Is a constructor a valid function for map()

Weird output of [97,98].map(String.fromCharCode)


Difference between Mutex and Semaphore=1?

Difference between binary semaphore and mutex


Unable to correct problems, you have held broken packages


Is there a way to force an iteration of a loop to stop and move to the next one in Python?


Unable to fit a graph into a page (documentclass)

How to make the label to move into middle of graph


How to get the equivalent of chmod 600 using icacls on Windows?

How to use takeown and icacls to deny access to other users?


Run a batch file in a completely hidden way


Find the eigenvalues of a matrix with ones in the diagonal, and all the other elements equal

Determinant of a rank $1$ update of a scalar matrix, or characteristic polynomial of a rank $1$ matrix


Most mathematically rigorous books to learn statistics from?

rigorous statistical-inference book recommendation


Safe to leave 'new' chicken stock in rice cooker for three hours?

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


Changing `Deleted Recent Questions` to `All Deleted Questions`

Show all of my question/answers to me even if they are deleted


If the Big Bang theory suggests that the Universe is "expanding" then what is it expanding INTO?

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


Flashlight switch: display the desired state or the current state

Should a toggle button show its current state or the state to which it will change?


Attempt to invoke virtual method ... on a null object reference [Android Studio]

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


CanPlaceOn tag along with display name? (Minecraft)

How do I create tools with multiple properties?


How can i delete elements in a list with remove order?


Why can't I create edge loops inside of my mesh


Is it possible to run java program without static


How do count forward X number of days into future in PHP?


Is there a command that automatically kills players who use specific commands?

How do I allow other players on my server to use commands like teleport, but not spawn in items?


Private function invoked and it works. Could any of you reason it please

Overriding public virtual functions with private functions in C++


Sound stopped working on Dell laptop Ubuntu 18.04

Ubuntu 18.04 audio disappeared after update


How do you display words, not variables, in equations in LaTeX?

What is the "correct" way of embedding text into math mode?


Windows 8 doesn't boot after installing Ubuntu (UEFI)

Unable to boot into Windows after installing Ubuntu, how to fix?


Points in Polyon with two different CRS using QGIS?


How many processes does this program create, including the initial parent process?


Conditional probability problem of three choices


Where to obtain Irish passport stamp when entering from Northern Ireland?

What do non-EU/Schengen citizens need to do when travelling within the Common Travel Area (CTA)?


Magic card has clear deformity, options?

How to deal with damaged cards from a MTG booster pack?


No appropriate default constructor available

Why does the C++ map type argument require an empty constructor when using []?


Can a managing editor replace the editor on a paper or remove them from the editorial board?


How can I solve $\lim_{x \to \infty} (\cos \frac {1}{x})^{x^2}$ without differentiation/l'Hospital/Taylor Series?

Limit of $(\cos1/n)^{n^2}$ when $n\to\infty$


sum of positive elements of relatively convergent series

What's the significance of conditional and absolute convergence?


How to use variables in a command in sed?


Loading jQuery and jQuery plugin script files correctly

How is it possible that the function of the test page works, but it does not go live?


What do you call a quote that is a modification/derivation of another quote?


On the usage of "the" article with acronyms and initialisms


Example for Fourier transform in $C_b^0$

A Fourier transform of a continuous $L^1$ function


Caley Hamilton why is det (A-A)=0 not a proof?

To prove Cayley-Hamilton theorem, why can't we substitute $A$ for $\lambda$ in $p(\lambda) = \det(\lambda I - A)$?


How to maximize this likelihood function to find the MLE?

MLE of $\delta$ for the distribution $f(x)=e^{\delta-x}$ for $x\geq\delta$.


Should we categorize / group site tags with similar intent, and how?


What is a low pass filter, and does a camera need to have one?

Why is a physical anti-aliasing filter still needed on modern DSLRs?


"Closed subsets of compact space are compact" with an alternative definition of covering.


How to delete a command that was made while typing

Is it possible to remove dynamically added autocompletions from Overleaf?


Missing Change password option on Windows 10 Pro Ctrl+Alt+Del screen

Ctrl-Alt-Del Change password missing in Windows 10


Can't get correct return value from an jQuery Ajax call


How do I adjust the width of a grid column?


Is the wave-particle duality a real duality?


Why are thermodynamic potentials minimised?


Why does the trend of gravitational field of Earth is like this ( the graph below)?


Plural or singular noun when it refers to two things in a list


Prove that certain operation is commutative


Is there any credible evidence for big bang?

What has been proved about the big bang, and what has not?


How do you create another Xubuntu live USB from a live USB?


Java: Multiple Loop Function Not returning


New to linux, installed ubuntu by crouton onto hp chromebook... need help

How do I upgrade to a newer version of Ubuntu?


Dollar signs breaks formatting of 'Hot Network Questions'


Sum of reciprocals of numbers with certain terms omitted


In this below code what is the role of static?


remove a repeated number in a list of numbers in python

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


Motion tracking video will not appear in render

Motion tracked Video doesn't show up in the render or in the compositing tab


Lagrangians with higher derivatives than Klein-Gordon

Why are there only derivatives to the first order in the Lagrangian?


How are designers creating the 3d effect often seen on sites like dribble lately for displaying portfolio screens?


Python 3.8 key press detection in a while loop, when running SSH on a virtual machine

Polling the keyboard (detect a keypress) in python


What are the main differences between InnoDB and MyISAM?


If lack of resources was the true motivation for MCU Thanos' mission, why didn't he just use the Infinity Gauntlet to make more?

What is Thanos's motivation for his action?


Integration of the function $f\left( x \right) = \frac{{\sin \left( {\frac{{9x}}{2}} \right)}}{{\sin \left( {\frac{x}{2}} \right)}}$

Solve $ \frac{2}{\pi}\int_{-\pi}^\pi\frac{\sin\frac{9x}{2}}{\sin\frac{x}{2}}dx $


Mathematica wrongly displays rows instead of columns

Unexpected behavior from `NumberForm` of a matix


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


The sequence $T_n(f)=\int_0^\infty \frac{x^n}{n!}e^{-x}f(x)dx$ in ${L^\infty}^*$ is not weak-$*$ seq. compact

Prove that $\frac{1}{n!}x^ne^{-x}$ has no weak* convergent subsequence.


Stick figure AES: what does "I take each column and mix the bits in it" do?


Can I use rsync to mirror two directories using the later of two conflicting files?


Publishing referee reports I have written - Yes or No and How?


Reconciling Two Contradictory results of Time Dilation

What is the proper way to explain the twin paradox?


Do people tend to be more hostile toward users with default gravatars?

Are you less likely to down-vote someone whose gravatar is a photograph of them?


Include Newtonsoft Json.NET in the project without DLL showing


File uploading with Express 4.0: req.files undefined


Transit Visa in Suvarnabhumi airport in Thailand

Does an Indian citizen need a Bangkok transit visa for a 10h 45m layover?


Should the "this" keyword always be used when an object method calls another object method in java?


How do I reset another user’s password on Windows 10?

What can I do if I forgot my Windows password?


Let $A \subseteq \mathbb{R}$ and $|A|=\omega$, prove $|\mathbb{R}\setminus A| = 2^\omega$.

Does $k+\aleph_0=\mathfrak{c}$ imply $k=\mathfrak{c}$ without the Axiom of Choice?


Hartshorne's proof of Proposition 2.5, Chapter II of his book Algebraic Geometry

The bijection between homogeneous prime ideals of $S_f$ and prime ideals of $(S_f)_0$


Do Stack Exchange sites have any features to make them friendly to people with disabilities?


How to compute $\sum_{k = 1}^{\infty} \frac{1}{k^2-\frac{1}{16}}$?

Find the sum of $\sum \frac{1}{k^2 - a^2}$ when $0<a<1$


mv: cannot stat ‘sources.list’: No such file or directory

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


modprobe: ERROR: could not insert 'rtl8723be': Required key not available

Ubuntu 16.04 kernel 4.4.0-21 not loading nvidia/vboxdrv modules anymore (Required key not available)


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


what's the difference between static event handler and non-static event handler


Map Two Identical tables ( same schema...) to same entity in Hibernate

How to map 2 identical tables (same properties) to 1 entity


Difference between: "it has rained / been raining for two hours"

What's the meaning of this present perfect sentence?


Why did Ramsay choose to attack this character?


How do I RP a ranger obtaining a beast companion?

How does a Beastmaster Ranger acquire his Animal Companion?


What is causing the Exception in thread "pool-1-thread-2" (NullPointerException)

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


Can you filter out certain SE sites from the hot questions list?


Why does flag marking as helpful/declined not always correlate with moderator action?


Add "Delete with reason" button/dialog to existing moderator tools for flagged answers

Give moderators the option to select a deletion reason when removing posts


ebay-api: GetOrders is missing some transactions

eBay API GetOrders call not returning all orders as requested


Stopping users voting multiple times on a website


fglrx drivers for Ubuntu 20: error version '-' has bad syntax

Ubuntu 14.04.5/16.04 and newer on AMD graphics


Are there any pieces of software available on Ubuntu for the conversion of a series of image files into an animated gif file?

How do I create an animated gif from still images (preferably with the command line)?


Physical meaning of magnetic vector potential

How to interpret the magnetic vector potential?


Prove $(A\cup C=B\cup C)\implies(A\mathbin{\Delta} B\subseteq C)$

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


Android: crash at trying to paste nothing


How test an method exception when the file exists and cannot be deleted?

How can I lock a file using java (if possible)


Why is BigDecimal returning a weird value?


My computer logs me out whenever I try to enter the system settings

Ubuntu 18.04 opening system settings logs me out


Passing char pointer to another function: blank value. c++


Normal for my 401k to be performing at -11% over the past 18 months?


How to report that a Sentinel-2 Level-1C granule is not georeferenced accurately (Google Earth Engine)

Sentinel-2 satellite images not aligning with basemap


test for a propertie in JSON project to be empty?

Testing for an empty array object in JSON with jQuery


How can I find a specific element with XPath?


How to automate the file arranging for plotter to make it efficient and faster in Corel Draw 16+


Why is "doesn't" a legitimate starting word for a sentence?

Can you say "are not we all?" instead of "aren't we all?"


How to obtain running user's username/password/token for a POST callout

How to make a post request to some other server from apex controller


How to check if alias is not replacing an actual command?

How to see the command attached to a bash alias?


CRM 2011: To display the webpage again the web browser needs to resend the information error


Can an Indian national residing in Kuwait apply for a Schengen visa from India?

Can I apply for a Schengen visa at a country where I'm not a citizen? If so, under what conditions?


Passing multidimensional array to a function using a variable as a parameter

How do I pass a reference to a two-dimensional array to a function?


How to set resolution to native screen resolution? (over 1920x1080)

How to add display resolution for an LCD in Ubuntu 12.04? xrandr problem


CSS transform doesn't work on inline elements


If G is a nonabelian group with order of $p^3$ which p is a prime number then prove $G’=Z(G)$

If G is not abelian with order $p^3$ then $G'=Z(G)$


Round gdal_translate AAIGrid output to 4 decimal places


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


Insert from array java into table sql where not exists


How do I remove duplicates from a C# array?


How can I bump other users' unanswered questions?


SharePoint 2013 workflow canceled with a strange error

SharePoint 2013 Workflow runtime doesn't work?


How closely can a game legally resemble another?


Finding duplicates in two fields using ArcGIS Desktop?

Use Python to Find duplicate values in a feature Class and populate a field


Linking Error: Unresolved External Symbol....(Tried using XCode, VS, and GCC inline commands for Terminal)

Why can templates only be implemented in the header file?


How to list all functions in a Python module?


repeating an equation and getting the same equation number?


Change Table Name of an Entity on runtime?

JPA: How do I specify the table name corresponding to a class at runtime?


Why does !new Boolean(false) equals false in JavaScript?


Differences between StringBuffer and StringBuilder

Difference between StringBuilder and StringBuffer


How to insert number of records in one table with respect to each of the value of a column i another table

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


If $A^{2n}=I$, then $A^n=\pm I$ where $A\in M_n(\mathbb{R})$


Section/subsection numbering doesn't appear on titles on my computer only

titlesec: loss of section numbering with the new update (2016/03/15)


On $(0,\infty)$, the metrics $d(x,y)=|x-y|+|\frac1x-\frac1y|$ and $d_e(x,y)=|x-y|$ are equivalent.

Show $d_{1}(x_{n},x)\rightarrow{0}$ if and only if $d_{2}(x_{n},x)\rightarrow{0}$.


can't connect to internet with ubuntu 17.10

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


python - How would I run code like a normal script (in addon)?

Accessing bpy.context gives a '_RestrictContext' warning, how to fix this?


Which method is best method to amplify 3.3 v output to 10 v to drive MOSFET Switches with Low RDs ? NPN transistor or DC-DC boost Converter?

How to amplify 3.3V to 10V by using an NPN transistor? How to select resistor based on current, how does the amplification happen?


Calculation of an integral with a Bessel function


How to React to Incorrect Claims by Reviewers?


Changes in specific files in one branch are reflected on same files in another branch

Modified files in a git branch are spilling over into another branch


$\sum_\limits{n=0}^{\infty} a_n$ converges $\implies \sum_\limits{n=0}^{\infty} a_n^2$ converges

Prove that if $\sum{a_n}$ converges absolutely, then $\sum{a_n^2}$ converges absolutely


How do I reset a lost administrative password?


how to add reference of c# dll to windows phone 8 project

Unable to add DLL reference in Windows Phone 8


scp permission denied when transferring files

scp copy over ssh doesn't work - permission denied error, please?


Network File Systems (NFS) between multiple AWS EC2 Instances for VisualSVN Servers behind Load Balancer

Shared File Systems between multiple AWS EC2 instances


write Chapter: word in table of contents

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


How can I merge properties of two JavaScript objects dynamically?


New Hard Drive is missing - was present in Bios not in Windows 8 Administrative storage

How can I add a second hard drive to a previously configured UEFI/ACHI Windows 8 machine?


How can we check if a file Exists or not using Win32 program?


Why feature selection using `L1` and not using `L2` norm?


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


GeoServer not rendering GeoTIFFs after JPEG compression

Problem with rendering jpeg compressed image - Caused by: java.lang.ClassNotFoundException: org.libjpegturbo.turbojpeg.TJException


Does zero-one loss correspond to any maximum likelihood procedure?

Under the 0-1 loss function, the Bayesian estimator is the mode of the posterior distribution


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


how to install a pack to a Windows portable executable/

How can I install Windows software or games?


Package was missing for WEEKS, got refunded, then showed up just now....will the company take back the refund?

Receiving a product after getting a refund


Why does Google not consider dot in usernames of Gmail addresses?


How to get first one from Sequence Index python

Getting key with maximum value in dictionary?


Connecting an ac-dc adapter and a battery in series

Is it safe to connect battery in series with wall adapter?


how to start operating system on a Samsung SSD when old hard drive was broken so had to replace


how to make a javascript not apply pagewide in Rails?

why does the script affect everything on my Rails 3 app even when cased in this code?


Can I save my Tweaks, themes, icons, customisation, softwares etc. like a backup and restore them if i do fresh install?

How to backup settings and list of installed packages


How to curl multiple URL's from a text file containing URL's

Execute a command once per line of piped input?


Let $G$ be a group such that $|G| \ge 3$ then $|AutG| \ge 2$.

$|G|>2$ implies $G$ has non trivial automorphism


how to retrieve specific Queues using package.xml

Move Queues between instances with Force.com Migration Tool (Ant)?


No longer able to install apps or updates

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


I just installed Ubuntu 14.04 on VirtualBox 4.3.12 (Windows 7), where do I begin? LAMP?

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


determine if an array has the numbers a to b each once

How to tell if an array is a permutation in O(n)?


Memory Consistency - happens-before relationship in Java

How to understand happens-before consistent


ASP.NET webforms postback weirdness with Safari 5.1.7 on Windows

Postback is not working in Safari in Windows 7


Can we say, "She teaches English IN a highschool in China" or "She teaches English AT a highschool in China"?

I'm a teacher and I teach at/in school OR at/in a school


Finding the infinite Sum of a series: $\sum\frac1{n(n+1)(n+2)}$

Find the sum of the series $\sum \frac{1}{n(n+1)(n+2)}$


How to get random value from array, but give better chance to higher values

Generating random results by weight in PHP?


Should the article "the" be used twice with a proper noun starting with "the"?

Do we use another "the" if a proper noun already begins with one?


Compact subspace of $\mathbb{R}$ with lower limit topology must be countable.

How to prove that compact subspaces of the Sorgenfrey line are countable?


Finding sum to infinity: $\sum\limits_{n = 1}^{ \infty}\frac{n^2}{n!}$

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


Is it possible to have a code block that isn't highlighted?


Novel about developing anti-gravity by fooling scientists

Government investigating home library of missing inventor


What does tilde-greater-than (~>) mean in Ruby gem dependencies?

Meaning of tilde-greater-than (~>) in version requirement?


What is the density of co-prime numbers.

Probability that two random numbers are coprime is $\frac{6}{\pi^2}$


Increasing resources overtime for a browser-based game

Game resource timers - general implementation


"instructed not to" vs "instructed to not"


How to count the number of occurrences of an element in a List


SimpleXML: Selecting Elements Which Have A Certain Attribute Value


Create a variable in .CSS file for use within that .CSS file


Show that $e^{iy} = 1 + iy + \frac{\mu_1 y^2}{2}$ for all $y \in \mathbb{R}$ with $|\mu_1| \leq 1$


Getting some kind of ID when querieng the field in soql

SOQL results returning RecordTypeId which is not included in query