Given a specific 2 by 2 matrix that is a subset of all 2 by 2 real matrices find an isomorphisim between the matrix and complex number system

Extension fields isomorphic to fields of matrices


Automatic beamer presentation with one slide generated for each image in a directory?


Proving density of $\mathbb{Q}^n$ in $\mathbb{R}^n$

Density of $\mathbb{Q}^n$ in $\mathbb{R}^n$


Getting raw SQL query string from PDO prepared statements


Several ports(8080,8009) required by tomcat v7.0 server at localhost are already in use

Several ports (8005, 8080, 8009) required by Tomcat Server at localhost are already in use


Object in edit mode moves with giant step, can't make precise adjustments

Cursor is set to move by increments. how to reset to normal?


Evaluate $\int_{0}^{\pi} x \ln(\sin x)dx.$

Integral of $ x \ln( \sin (x))$ from 0 to $ \pi $


History button in sidebar freezes/crashes iOS app

Trying to open recently viewed tab hangs iOS app for a several seconds


My queue table is huge, is it safe to empty it?


Rails controllers naming syntax: When to pluralize?

Singular or plural controller and helper names in Rails


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


How do you dynamically compile and load external java classes?

How to provide an interface to JavaCompiler when compiling a source file dynamically?


Collecting the origin directory of a Bash script from itself

When writing a bash script, how do I get the absolute path of the location of the current file?


Exporting output from many NDSolve's to common .txt

Formatting output of OpenAppend[] to match what Export[data,file,".csv"] would output?


Why does my LAN file sharing speeds never go beyond my internet subscription download speed

file transfer speed over wifi homesharing too slow


Python: ValueError: unsupported format character ''' (0x27) at index 1


Is the idea of a multiverse considered metaphysics?

Should multiverse theories be rebranded as meta physics?


At what angle does the stone have to be hit?

At what angle does the stone need to be hit?


What is the proper way to reference a user in comments?


Difference between an option's default and its initial value

PGF Keys differences between .initial and .default


Connection between Eclipse and Android virtual device on two computers

Connect Eclipse to Android emulator on a different machine


Understand conditional expectation w.r.t. sigma -algebra

Intuition for Conditional Expectation of $\sigma$-algebra


Exclude possibility of damage of Android device while chargin with another charger

Is my phone liable to explode if I charge it with a charger that came with a different phone?


What are Covering Indexes and Covered Queries in SQL Server?


Can I use SE after deactivating Facebook account?

How will someone be able to log in if they removed their Facebook account and ...?


Is Bsc from Netherlands in Computer Science eligible for M S from USA

Can I be admitted to a master's in the USA after a 3-year European bachelor's program?


Insertion in the middle of ArrayList vs LinkedList

When to use LinkedList over ArrayList in Java?


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


All open questions on a Stack Exchange site


"NullReferenceException was unhandled by user code"

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


Using Drupal's session inside a PHP script

Properly bootstrap drupal for standalone PHP file?


How to include External jQuery File in default.aspx?


Equivalent resistance and circuit reduction of an "8"-shaped circuit


Open Settings, WiFi or Bluetooth page programmatically in iOS 6.0

How do I open the Settings application from my application?


Tabu table with different row-spacing between one-line and multi-line rows

Too little space between wrapped text and the line below it


Python API to create folder & appended with increment number if the folder already exists

How can I safely create a nested directory in Python?


What does the expression inside array brackets mean?


Install specific PHP version (php 7.1.11) ubuntu 16.04

How do I install different (upgrade or downgrade) PHP version in still supported Ubuntu release?


How to Increase or decrease length of array

Add new item in existing array in c#.net


the sharigan question about the fading sharingans and the ones that remain

Why did Kakashi's Sharingan fade after Obito died?


Map display not filling window in QGIS on Mac?


java.lang.NullPointerException: Attempt to invoke virtual memory

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


Prove $\text{gcd}(a', b') = \text{gcd}(a, b)$

Proof that $\gcd(ax+by,cx+dy)=\gcd(x,y)$ if $ad-bc= \pm 1$


Do I need Transit visa or visitor visa for my travel through Germany (2 lay overs in Germany while returning from India to US)

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


Scope of class variable with list comprehension

Accessing class variables from a list comprehension in the class definition


Proof of a combinatorial identity: $\sum\limits_{i=0}^n {2i \choose i}{2(n-i)\choose n-i} = 4^n$


How to upgrade the HTC One X (with AT&T) from ICS to Jelly Bean from Indian telecome?


As space expands, does this not imply that time also expands?

Does time expand with space? (or contract)


Need help understanding this basic JS concept regarding objects and properties

What is the scope of variables in JavaScript?


Is it possible to create red/blue 3d color in LaTeX?


Archive all files with specific extension without full structure


How to cite work and make it not appear in references?

Exclude \fullcite{...} citation from bibliography


How to remove directory with invalid name on running system root partition without third party software?

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


Question on a proof of: If $H$ is a normal subgroup of $G$ and $|H| = 2$, show that $H \subseteq Z(G)$.

Let $K$ be a normal subgroup of order 2 in group $G$, show that $K$ lies in the centre of $G$


Creating trade flow maps in ArcGIS for Desktop (or any free software)?


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


Prove that for any set $A$ there is some $x \notin A$

Proof a set cannot contain its own powerset - Russell's Paradox


$G$ is abelian group of order $pq$, where $p$ and $q$ prime. Prove that $G$ cyclic

Structure of groups of order $pq$, where $p,q$ are distinct primes.


How to solve "permission denied" when using sudo with redirection in Bash?


Renewenvironment of with optional arguments enumerate goes wrong with enumitem (compilation stalls)


What is the difference between man and --help?

Why do some commands have man pages and other commands use --help?


Data not inserted into mysql using PDO statements


Long-term visit visa for UAE: after which date should I leave?


your MySQL server version for the right syntax to use near 'IF NOT EXISTS


Interpolating or "absolutising" symbolic sizes for graphic primitives?

How to determine numeric equivalent of Tiny, Small, etc. image sizes for Graphics?


Rationale behind the container_of macro in linux/list.h


"error: cannot communicate with server" when trying to install IntelliJ snap package

Cannot communicate with server: Post http://localhost/v2/apps: dial unix /run/snapd.socket: connect: no such file or directory


Android - How to remove activity from recent apps?

How to remove application from recent application list?


What exactly is the process to earn Hat Trick hat?


MySql ranking system with multiple categories


How to properly write multiple authors in bibtex file?


Implement some mechanism to avoid robo-approvers

What can we do to stop bad edits getting accepted?


How do I get rid of this 'Install Flash' popup?

How to disable "extra packages can be installed" popup in Kubuntu 15.04?


Find duplicate rows and keep the latest one, delete the rest

Delete duplicate rows (don't delete all duplicate)


app crashes when I send a variable by intent

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


Trouble centering text over image in flexbox


There is no video thumbnail for Dolphin file manager on Ubuntu 16.04


Logistic vs linear regression difference

What is the difference between linear regression and logistic regression?


What is the difference between the adjectives/adverbs "broad" and "wide"? the nouns "breadth" and "width"?


How to run a Java Maven project from terminal

How can I create an executable JAR with dependencies using Maven?


How to protect a PDF generated via LaTeX

How to set security options for a PDF using pdflatex


Python 2.7 how parse a date with format 2014-05-01 18:10:38-04:00

How do I translate an ISO 8601 datetime string into a Python datetime object?


After an AJAX call, the next AJAX call doesn't work

Event binding on dynamically created elements?


How do you split a list into evenly sized chunks?


How can I show that the duplicate question answers my question?

New UI encourages askers to confirm or dispute duplicate votes


C++ Unresolved external symbol but function is defined

Why can templates only be implemented in the header file?


Does the series $\sum_{n=1}^{\infty} \frac{\sqrt{n+1}-\sqrt{n}}{n}$ converge?

Does the series $\sum_{n=1}^\infty$ ${\sqrt{n+1}-\sqrt{n}}\over n$ converge or diverge?


Do search engines index text contained in SVG elements?


$\mathbb{R}^3$ \ $\mathbb{Q}^3$ is a union of disjoint lines, The lines are not in an axis direction.

$\mathbb{R}^3$ \ $\mathbb{Q}^3$ is union of disjoint lines. The lines are not in an axis diretion.


Mouse turns off after a few seconds (Ubuntu 13.10, Windows 8.1)

USB Mouse sleeping after 5 seconds when on battery


Link "Show more comments" does not disappear on mobile devices

Add comment and Show X more comments do not work on mobile when not logged in


The first occurence of the first two columns

Remove lines based on duplicates within one column without sort


Handle filenames containing whitespaces passed to Bash function using wildcard

Passing arguments with spaces and quotes to a script (without quoting everything)


Let $m, n ∈\Bbb Z$ be nonzero integers, $d = \gcd(m, n)$ and $L = \operatorname{lcm}(m, n)$. Show that $dL = mn$.

For integers $a$ and $b$, $ab=\text{lcm}(a,b)\cdot\text{hcf}(a,b)$


I uninstall DNSUnlocker, but its adware still terrorizes my PC

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


In which field of science that we can prove $0! =1$ and what i can say to studentof high school if he asked about it's prove ??


Probability with percentages of population


Can't get wireless to work on ubuntu 16.04 with Broadcom BCM43142 [14e4:4365]

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


How to make div take up 100vh height minus the height of the header?

Make a div fill the height of the remaining screen space


Why does this C computation involving exponents produce the wrong answer?

C program to convert Fahrenheit to Celsius always prints zero


How to manage users and groups using GUI?


Closure of the subsets of ordered square

Finding the closure of some subsets of the ordered square


100% bounce rate with non-zero average time in Google Analytics?

Why does Google Analytics report 100% bounce rate when the page has lots of page views?


Prevent being locked out when configuring SSH and iptables

How do you test iptables rules to prevent remote lockout and check matches?


What is the maximum amount of Activities you can define in a Manifest?

Does number of Activities matter in Android App?


Windows 7+ Recent Places is not sorted by date

Always sort Recent Places by date modifed


$a,b,c \geq 0$ and $a^2+b^2+c^2+abc=4$ prove that $ab+bc+ac-abc \leq 2$

Prove that $0 \leq ab + ac + bc - abc \leq 2.$


Sorting Python dictionary based on number of items in list


How do I add a broadcast IP to the loopback interface under os/x using ifconfig when my machine has no network?

How to add a broadcast address to loopback with ifconfig on a OS/X?


What .dll files do I need in order to get QtSql to run properly?

QtSql application not working on the deployed machine


$\mathbb{C}[t]$ is not flat $\mathbb{C}[t^2,t^3]$-module

Showing that a certain map is not flat by explicit counterexample


Will an 85W power adapter fry the MBP 13" Mid 2009?

Can I use 45/60/85W MagSafe era MacBook chargers interchangeably?


How do I use “Trad et al. 2002 ” citation for more than two authors?

APA style in biblatex with three authors


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


How to calculate compound interest in java?

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


Electromagnetic waves highest frequency and beyond?

What happens when the frequency of A.C becomes infinite?


What's a synonym for “Bull**it” when referring to something like writing English papers?


Installing extra packages of Debian Wheezy from terminal (after a net install)

Aptitude on Debian 6.0.4 "media change" to CD ROM


What does a "Cannot find symbol" or "Cannot resolve symbol" error mean?


No more than one record creation and check record collision of similar type

Create no more than one record of particular type per day


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


Is a German driver’s license valid in Florida?

German couple (60,55) want to rent a car in Florida - Is an IDP required and are there maximum age restrictions?


How to proof the following identity: $ \sum_{k=0}^{n} \prod_{j=0\\j\neq k}^{n} \frac{t_k}{t_k-t_j} =1$

Is this algebraic identity obvious? $\sum_{i=1}^n \prod_{j\neq i} {\lambda_j\over \lambda_j-\lambda_i}=1$


How to create a new tab when a button is clicked?


should nested class be declared as static if only used in wrapper clas

Java inner class and static nested class


How to search for a string with "+" character in sed?

What characters do I need to escape when using sed in a sh script?


From where should I start learning about layout & composition?

Tips and resources for beginning designers


Question mark characters on HTML if I use UTF-8 and weird characters on SQL data if I use ISO-8859-1


How does a <3000 rep user cast a close vote on their own question?


SQL return first day of last month and current month @ 00:00:00

How to get first and last day of previous month (with timestamp) in SQL Server


Equivalence of two dedekind-infinite definitions

Definition of Dedekind-infinity: Bijection or Injections?


Handle FTP client.DownloadString file not found exception

How to check if file exists on FTP before FtpWebRequest


What version of windows can be virtualized?

Which version of Windows 7 to buy to legally use in Ubuntu VirtualBox?


How does greatest common divisor effected by field extension

GCD in polynomial rings with coefficients in a field extension


Applying password with command in Terminal

How do I sudo a command in a script without being asked for a password?


Show $a_{n+1}=\sqrt{2+a_n},a_1=\sqrt2$ is monotone increasing and bounded by $2$; what is the limit?

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


Android App unavailable for download in Isle of Man

How can I circumvent regional restrictions in Google's Play Store?


Absolute vs relative links for search engine crawlers and SEO


How to reach $\dfrac{(n-1)n(2n-1)}{6n^3}$

Proving $1^3+ 2^3 + \cdots + n^3 = \left(\frac{n(n+1)}{2}\right)^2$ using induction


How is the below question highlighted with a background shade?

What is the black box around a post when using the comment keyboard shortcut (c)?


Custom unique constraint, only enforced if one column has a specific value


Rigorous book for several variable calculus

(Theoretical) Multivariable Calculus Textbooks


How did Suren Manvelyan create the macro pictures of eyes?


Do I need proof of relationship with sponsor to the UK

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


Complement of list comprehension in python

Python: split a list based on a condition?


what if other user made edit to post after edited by me

Does my edit count increase even if someone overrides my edits?


Contiguous memory allocation using first-fit algorithm


What is the geometric interpretation of the transpose?


How to cite specific custom field with BibLaTeX?


My only local Administrator login account vanished after changing PW

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


iPhone - Edited photos reverting to original state

Edited photos have reverted to originals on iphone


Please make close vote review data public

Please add close flags, duplicate links and review data to the public data dump


Use induction to prove $\gcd(m, n) = am + bn$

Show $a\Bbb Z+b\Bbb Z = \gcd(a,b)\Bbb Z$


convert a string or byte to a hex decimal in c#

How do you convert a byte array to a hexadecimal string, and vice versa?


How to correctly setup Ubuntu 18.04 LTS installed from mini.iso to use NetworkManager?


Subject–verb agreement not clear in "Is two bars OK?"


Error code 500, I have an error while I am trying to view index.php file


Why does adding a new value to list overwrite previous values in the list


Low Disk Space on "Filesystem root", Ubuntu 20.04.1


Can i use the following code or it's incorrect?

Assigning strings to arrays of characters


Notational confusion about the reading of $\mathrm{d}x^2$

Is writing $dx^2$ same as writing $d(x^2)$ in calculus


Is it safe to delete files in WinSxS with no hard-links under Vista?

Why does the /winsxs folder grow so large, and can it be made smaller?


13.04 gnome session fallback: can´t edit panels

Panel settings not appearing on right-click in gnome


How to get a JObject from a JArray with weakly typed code using JSON.NET

Finding a node (JObject) within JArray using JSON.NET library


Force HTTP for a directory in server config file

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


Why does everyone in Game Of Thrones have a British accent?

Why are most of the main characters White/English in Game Of Thrones?


using sed for replacing strings with "/"

How to replace a string with a string containing slash with sed?


How do I change Ubuntu to Lubuntu installation?

How to replace an old version of Ubuntu with a newer one from USB/DVD?


javascript: How can I have a string that has code in it that I don't want to be executed?

When should I use double or single quotes in JavaScript?


Splitting/Resizing a partition in GParted - got a key symbol next to the partition


Iphone 5s Activation no Sim card installed?

Is it possible to activate an iPhone 4 without a SIM?


Why can templates only be implemented in the header file?


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


Is it safe to power a PC fan (12V 0.30A) with an adjustable power adapter (3 -12V 2A) for an extended period? (8 hrs/day, 365 days/year)

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


sudo issue during echo something to a root file

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


How to install a package written by myself?

Where do I place my own .sty or .cls files, to make them available to all my .tex files?


Why do the execution time of independent code blocks depend on execution order in Scala?

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


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

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


How to render WITH the default checkerboard as background?

How Can I make the World background Material to be checker Texture?


How can I make assignments persist across sessions?


bash: count the number of lines with unique initial value

Remove lines based on duplicates within one column without sort


Why is my sprite displayed offset from its Box2D body?


How does a Zealot Barbarian's critical hits interact with Divine Fury?

How does extra damage work for critical hits?


Two answers answer my question, but in a different way. How should I choose which one to accept?

Why can't I accept two answers for the same question?


Standard map of the whole realm with all cities in Game of Thrones?

Why are there no maps of lands east of Westeros in The Game of Thrones?


Control what can connect to systemd's rpcbind/portmap service (port 111)

Fedora 25 and disabling whatever is listening on port 111


Cant use getter because of non-static method

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


Execute an event only if it wasn't fired for a given amount of time in C#/WPF

WPF: Slider with an event that triggers after a user drags


How do I get back my upvote for a comment I made though SE Android App?

"undo your comment upvote" is missing in app?


Calculating Distance Between Two Give Points using ArcGIS API for JavaScript 3?

Calculating distance between two points with esri.geometry in ArcGIS API for JavaScript?


How to use "range" in python to include not just numbers 1-1000, but have each number appear with 3 digits?


Comma before quote marks around article title?


Ubuntu 18.04 installation/upgrade freezes


Backing up Entire Ubuntu System to External Hard Drive with Windows Partition

What's a good back-up strategy for 1 desktop PC?


When I create a list of list in Python, why do all my inner lists get the same values?

List of lists changes reflected across sublists unexpectedly


How to spread a population data from a vector layer in a raster layer?

After turning census block data into a raster, how do I redistribute the density to reflect land cover types


Running Sublime 2 from the launcher opens Sublime 1 version


Find files with particular filename format, cat each one with a header file, and save result to original file for each such file

How do I append text to the beginning and end of multiple text files in Bash?


How to drop a column using prepared statement?

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


The gap between two inline-block  element

Why is there an unexplainable gap between these inline-block div elements?


Why does the Android OS use so much battery power?

What can cause "Android OS" process to use high percentage of battery?


Apt-get install - hash sum mismatch for 16.04 but not for 17.10

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


Finding if something is in an array or not in javascript

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


Initial conditions of the origin of the universe


Is it possible to obtain class summary at runtime?


How can I reference figure*'s subfigure?

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


How to fix processing with runit and git-daemon-run

"Unable to connect to Upstart" error when installing git-all


apex batch job schedule issue: "[REQUEST_RUNNING_TOO_LONG] Your request was running for too long, and has been stopped."

Easiest way to delete a million records?


Clearing Recently used coordinate reference systems using QGIS?


Where can I find the application executables in the filesystem?


Why the DC voltmeter does not read zero when it measures an AC signal?(Chua's circuit)

What will happen if I use a voltmeter instead of an oscilloscope in a Chua's circuit?


How to efficiently search vectors in C++

How to find out if an item is present in a std::vector?


Getting cors error when trying to refresh parent page in an embedded VF page

Refreshing SFDC page from VF frame: CORS issue


Can I implement a method in structure in C?

How would one write object-oriented code in C?


My price calculator is returning values like 25.00000003 yet all my menu items are to the tenth


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


Factory Pattern. When to use factory methods?


How to disable emoji substitution for pictographs/symbols in special characters?

How to use plain text smileys (disable automatic emoji substitution) in Messages.app?


What is difference between prototype.constructor and object of itself?

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


How can I put different textures/materials on different parts of the same mesh?

Add different materials to different parts of a mesh?


How can you make an armor that when you wear it, it will give you resistance 255?

How can you make an armor that has infinite protection armor?


Shunt Resistor Color Code wrong or different

Reading a 5 Band resistor with Gold as a middle band?


Making functions not visible from outside of a library in C

Limiting visibility of symbols when linking shared libraries


Ampscript / CONTAINS and BEGIN WITH functions


What happens to the swap partition after upgrading to Ubuntu 17.04


Does it have a significance that some coffee beans are shiny and others are dull?

What can you surmise about coffee beans that have oil on them at the time of purchase?


Solving a functional relation $f\left( x \cdot f(y)\right)=x^2 \cdot y^a$


How to get full path of a file from another directory in shell script?

How do you normalize a file path in Bash?


What is the use of the square brackets [] in sql statements?


Can I cast guidance immediately before a check and keep Hex active?

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


TikZ: difference between \node and \coordinate?


apt-get upgrade is producing a GUI interaction and is prohibiting an interaction-free upgrade

How do I apt-get -y dist-upgrade without a grub config prompt?


Trouble Making Macbook Pro Retina Power 3 External Displays

How to use 3 external monitors on 15" late 2013 MacBook Pro Retina?


Airport transit visa for Denmark and do you need to exit security between terminals at CPH

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


How do you compute negative numbers to fractional powers?


Why does modifying a string literal cause a segmentation fault?

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


How to easily convert a DbDataReader object into something useful?


Prove the following identity (Fibonacci numbers)


Are user names that represent domains allowed?


Should we do something about enormous numbers of edits in short times?


How to read a single character from the user?


How can I get the values from the selected jquery datepicker inputs?


What is the unix test -f command equivalent in powershell?


Test of equality of means if the data is from poisson distribution

Checking if two Poisson samples have the same mean


Commands are available in the following places

Can't execute terminal commands: "the command 'sudo' is available in '/usr/bin/sudo'"


Broken layout for flagging for moderation attention textbox

Textarea CSS issue on "needs moderator attention"


SVG lines under other already created "objects"


What are Window Managers, Desktop Managers, Desktop Environments, Login Managers? Which one do you need and Why?

What is the difference between a desktop environment and a window manager?


writing in a special place of a text file using php

Using php, how to insert text without overwriting to the beginning of a text file


Android app stops working if rotated during post submission

Android app crashes when rotating the "Getting preview" or "Posting edit" dialog


Notifications for badges on other Stack Exchange sites use the wrong badge icon

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


What is meaning of #import? if we use #include what happens?

What is the difference between #import and #include in Objective-C?


What is the meaning of sock puppetry on Stack Exchange?

Stack Exchange Glossary - Dictionary of Commonly-Used Terms


How to remove/hide elements from the admin menu?


Is placing the filter condition inside the join on statement equivalent?


Good habits: using \ensuremath to typeset math in text mode

When not to use \ensuremath for math macro?


Java Threads: Program lags (Not Responding) just halfway done of the process in background

How to deal with "java.lang.OutOfMemoryError: Java heap space" error?


Prove that the following polynomial has at least one zero in the interval $(0,1)$ by using Rolle's theorem

Prove that $\sum_{k=0}^n a_k x^k = 0$ has at least $1$ real root if $\sum_{k=0}^n \frac{a_k}{k+1} = 0$


Event binding on dynamically created elements?


"Recent Badges" list is displayed without margins on "Home" page


Likelihood Ratio Test for Exponential Distribution with a Limited Parameter Space


Recurrence. Nonhomogeneous recurrence relation.

Explicit solution of the recursion $x_n = x_{n-1}^2 - 2$ with $x_0>2$


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


Copying an array of structs from the cpu to GPU


I have tried using Plugins to remove 72K comments with no success


How to test your router's data transfer speed?

How to test router-to-PC connection speed?


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


i want to parse the following JSON String. Please help

How to deserialize a JSON String to Apex


How to determine the number of coin tosses to identify one biased coin from another?


How to make IntelliJ IDEA's Auto Pop-Up Documentation appear every time?

Intellij 13 Auto doc pop up on mouseover solution doesn't work anymore


Black Screen appear after set default display manager gdm

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


How to apply conditional formatting only if cell has X value? [google sheet]

How can I set conditional formatting on a particular cell that depends on another cell's value?


How to disable notebook's touchpad on USB mouse connect (and slower the last)?

How do I disable touchpad when using a mouse


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


How to start matlabR2016a using command prompt when you have not set up any symbolic links?


How to zoom out the excel data in latex?

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


Website disappeared suddenly from first page results

How to diagnose a search engine ranking drop?


What is the cause of Error Code 118, and how can I resolve this?


Prove that this function is Riemann Integrable on $[0,1]$

Using the definition of Riemann integrability, prove that $f $is Riemann integrable on $[0,1]$


How to interpret A:B in linear regression? How to calculate A:B


Findbug telling me not to throw NullPointerException

IllegalArgumentException or NullPointerException for a null parameter?


How to have two versions of PHP installed and switch easily between them?


Bug in rep graph in activity page of profile?

Ugly "Next Privilege" text on user activity page


Help with set theory proofs ((For all A, B ⊆ X: f ( A \ B ) = f ( A ) \ f ( B ))  f is injective)


Does damage from Talon, the +1 Longsword from LMoP, count as magical damage?

Do magic weapons bypass monsters' resistances?


unpowered but extended pistons that only retract when there is a block update


Can I get the exit code from a sub shell launched with $(command)?

How is the return status of a variable assignment determined?


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


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


Remove dynamically created elements even when using ON function

Event binding on dynamically created elements?


Using relative URL in CSS file, what location is it relative to?


How to set up Landscape On-Premises on Ubuntu 16.04 LTS?

How do I install Landscape for personal use?


Attempt to invoke virtual method 'android.text.Editable android.widget.EditText.getText()' on a null object reference error

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


Sanitize backtick character in user input


python: can executable zip files include data files?

Distributing an executable zip file with __main__.py, how to access extra data?


jQuery: Appeding tr to table tbody prevents tr click functions


Trying to multiply a float in bash not working

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


Difference between Expert at & expert in


how to interface RS-422 to UART on my MCU?


Multiple favicons sizes that cater for different devices/browsers

How to have multiple favicon sizes, yet serve only a 16x16 by default?


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


Is spell level a character concept or a player concept?


How do I prevent my Mac laptop from quitting applications trying to logout?

Mac reboots after some minutes of inactivity


Is an empty set equal to another empty set?


Comparing two proportions asymptotic distribution

How to derive the asymptotic distribution of the test statistic of a large sample test for equality of two binomial populations?


Suppose $n$ is a positive integer. Decide the remainder of $x^{2n}-x^{n}$ when divided by $2$

To show that $2$ | $x^{2n} - x^n$, $n \in \mathbb{Z^+}$ is the following adequate?


In the sentence "I have the hiccups", could the "the" article be omitted?


How do I prove that $f(x)f(y)=f(x+y)$ implies that $f(x)=e^{cx}$, assuming f is continuous and not zero?


Is there any way to see what answers were deleted?

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


Change the mouse wheel scrolling acceleration


Why does Apple allow factory reset if passcode is forgotten?


Could TeX.SE put on a showcase of scientific posters?


Unifying quantum mechanics and general relativity

A list of inconveniences between quantum mechanics and (general) relativity?


Different iFrame dimensions for different iFrame calls using FancyBox

How do you set different height/width for iframe in fancybox V2?


How do I get an Acer Aspire One D270 working?


double click event doesnt work td content

Event binding on dynamically created elements?


Bash converting path names for sed so they escape

How to ensure that string interpolated into `sed` substitution escapes all metachars


Nice expression for minimum of three variables?


Indian Citizen travelling on advance parole to USA

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


And just like that, I have 150k rep. Umm.. What?

What is the Total Reputation field on Area51?


what is algorithm of photoshop for converting rgb to cmyk as percentage?


How do I subtract multiple shapes at one time using the shape builder tool in Illustrator? Is there another tool I can use?

How to punch through all the layers in Adobe Illustrator?


Upper bound on the order of elements in the symmetric group

Maximal order of an element in a symmetric group


Where to place and how to read configuration resource files in servlet based application?


Software center freezes in Ubuntu 12.04, how can I fix it?


(Safely) Disable dGPU on 2018 15" MacBook Pro?

MacBook Pro: How to disable discrete GPU permanently from EFI?


how do i check if the session is going to expire in php

How do I expire a PHP session after 30 minutes?


how to interpret the contribution of a variable, when univariate vs multivariate analysis result differs (survival analysis)

Significant predictors become non-significant in multiple logistic regression


E: Type '<!DOCTYPE' is not known on line 1 in source list /etc/apt/sources.list.d/winehq.list E: The list of sources could not be read

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


Prevent users from submitting a form by hitting Enter


What does a tilde in angle brackets mean when creating a Java generic class?


How to install a .exe file in Ubuntu 16.04?

How can I install Windows software or games?


Read last line of file in bash script when reading file line by line

Read a file line by line assigning the value to a variable


Practical way to disable/enable internet connection for an app in Windows 10

Is it possible to Block An Application from Accessing the Internet with cmd?


User suggested great corrective edit to my answer, but the edit was rejected. What can I do to approve it?

Could authors overturn recent community review decisions?


How do I declare and initialize an array in Java?


How can I edit/create new launcher items in Unity by hand?


How to prove the equation $\sum^{N-r}_{x=0}\binom{N-x}r =\binom{N+1}{r+1}$

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


Get scroll bar position of an NSScroller on the fly

How to detect scrolling for NSOutlineView?


Choosing variables in multiple linear regression

Choosing variables to include in a multiple linear regression model


Feed can show entries for deleted posts, which viewing them fails


JSP Missing Tag Descriptor For Core And SQL

Can not find the tag library descriptor for “http://java.sun.com/jsp/jstl/core”


Endless runner game: Dynamic world vs Static world

Should I move the world or move the player?


BibLaTeX won't work with MikTeX 2.9 on default settings and won't generate .bbl file

Biblatex with Biber: Configuring my editor to avoid undefined citations


Why do different letters sound different?


! [remote rejected] master -> master (pre-receive hook declined)

remote rejected master -> master (pre-receive hook declined)


cleaner script to recursively replace a string in all directories and file names

Renaming Files and Directories Recursively using rename/find


I am Getting Sorry, no posts matched your criteria on form submit only for certain page

Page returns 404 with POST variables, but not without


Dynamically create CLR object from the string

Create an instance of a class from a string


MacTex 2012 v MacTex2014: Different behaviour combining \PreviewEnvironment{center} and beamer

Why is beamer+pstricks+preview no longer compatible now?


Controlling html dynamically inserted by javascript

Event binding on dynamically created elements?


Is this how postfix increment operator works

What are "sequence points" and how do they affect undefined behavior?


Is the official Adobe Flash repository for Linux outdated?

Firefox thinks I'm using and older Flash version


Confusion regarding List or ArrayList in Java

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


How can I get a specific line from a file?


Error function in simulation of normal random variates

Advantages of Box-Muller over inverse CDF method for simulating Normal distribution?


how to change disabled state of jsf button using javascript

How to disable/enable JSF input field in JavaScript?


How do I avoid airlock foam overflow? Does it affect the fermentation process?


Is there ever a reason to use is versus as?

Casting vs using the 'as' keyword in the CLR


How can I convert byte size into a human-readable format in Java?


when to carefully use free() to free up malloc() used memory?


How do I know the script file name in a Bash script?


Difference between "var" and "object" in C#


How can I change the precision in the attribute table?

Modifying width and precision of database using QGIS?


How to compute $\lim_{n\to \infty} n\sin(2\pi n! e)$

What is the limit of $n \sin (2 \pi \cdot e \cdot n!)$ as $n$ goes to infinity?


When is the finalize() method called in Java?


Are there non-magical people born into magical families?

Are there any non-magical folk born to two magical parents?


Accepting one's own answer does not move it to the top of the answers list


apt-get update errors - 50unattended-upgrades.ucf-dist

N: Ignoring file '50unattended-upgrades.ucf-dist' in directory '/etc/apt/apt.conf.d/' as it has an invalid filename extension


Serializing Object to XML without [xmlns=""]

How to serialize an object to XML without getting xmlns="..."?


Is 'don't do this' a valid answer to a question looking for input on how to do something?


Why does Firefox developer edition use chrome:// urls to load scripts?

Why does Firefox use the "chrome://" protocol / schema in URLs?


Why is $0\cdot x$ defined in fields even though $F\setminus\{0\}$ is the set for multiplication


What is the difference between int parseInt(String s) and Integer.valueOf(String s)? Also What is radix with a numerical parameter {10 or etc}

Different between parseInt() and valueOf() in java?


Distance and number of corrected errors in quantum error correction

Link between distance of a stabilizer code and number of errors it is able to correct


How to edit pdf metadata from command line?


Can function declaration and function expression be used interchangeably?

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


How can I convert ereg expressions to preg in PHP?


Passport validity for a US & Israel dual-citizen returning to the US

As a dual citizen, my US passport will expire one day after traveling to the US. Will this work?


Control MacBook Pro (2019) Thunderbolt / USB-C port power individually (on/off, e.g., via console command)


Runtime of arraylist operations add and remove by index

When to use LinkedList over ArrayList in Java?


Paraphrasing and quantity of added material in an extended article


Given $a>b>2$ both positive integers, which of $a^b$ and $b^a$ is larger?


How can I compensate for soft white ceiling lights adding warmth to the light coming from a big window?

How to white-balance photos shot in mixed-lighting environments?


Python: Using variable values in regular expressions?

How to use a variable inside a regular expression?


How can I share my iMac's internet connection with my iPad?

Can I share my iMac's internet to iPhone or iPad over USB?


User Search results not sorted by reputation

Searching for some users on SO returns a list sorted by incorrect order


How do I insert data into a Webmin MySQL Database using PDO PHP


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


Need to grant two users to an AIX server to just one folder

granting write permissions to a group to a folder


How to change LaTex paper left, right, top and botton margins?


JButton actionPerformed method giving Null

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


How to make specfic width of the node in tikzpicture

Creating a node fitting the horizontal width of two other nodes


Reliability Logistic Regression - train and evaluate the model

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


My supervisor published our work without informing us. Can we retract the paper from the conference in anyway?

My advisor submitted a paper with my work without including me as an author


Showing $x^4-16x^2+4$ is irreducible over $\mathbb{Q}$

Why is $X^4-16X^2+4$ irreducible in $\mathbb{Q}[X]$?


Sorting algorithm implementation in project

Is the sizeof(some pointer) always equal to four?


What is the origin of blackbody radiation?

What are the various physical mechanisms for energy transfer to the photon during blackbody emission?


how decompress File by calling compression file using HUFFMAN


Estimate confidence intervals for the P value of the Pearson's Chi-squared test

How to construct a confidence interval for p-value


How to install Ubuntu 15 with Windows 8.1

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


Will the Neewer TT560 speedlite work with my camera?

Is flash brand X compatible with camera brand Y?


How to push the data into database using javafx

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


What are these tiny, almost transparent, dots in my vision?


How to remove/edit a malformedline from sources.list?

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


Android HELP my if statement does not work


Add tag wiki/excerpt audits with copied content


For the purposes of the Banishment spell, are Undead considered native to the Shadowfell?

Would casting banishment on a Revenant permanently send it away to another plane?


No FFmpeg Video In Panel (ver 2.79) in Fedora Linux

Limited set of output codecs in Fedora Linux. How can I enable others?


How do I get email notifications of new questions?

Email notifications for new questions matching specific tags


Continued fraction with different numerators


What will be total number of solutions of $a+b+c = n$?


Create Object From Generic Class using class Name C#

Pass An Instantiated System.Type as a Type Parameter for a Generic Class


pass custom type obtained from string to function with generic type

How do I use reflection to call a generic method?


Since latest android app update I can't scroll the feed sideways


transform a php array into json is going wrong

php json_encode() show's null instead of text


Why do we treat the action as dimensionless in QFT?

Why is the action dimensionless in natural units?


Is a big switch block unavoidable in C++ due to lack of reflection

Is there a way to instantiate objects from a string holding their class name?


What is the actual role of the Chosen One?

How was the Chosen One meant to bring balance to the Force?


Solving the equation $1! 3! 5! ... (2n-1)! = m!$, via a combinatorial method

Find all natural numbers $n > 1$ and $m > 1$ such that $1!3!5!\cdots(2n - 1)! = m!$


Is it possible to add a button to an existing panel or node with python?


Can I skip an airport and go to the next airport to board a 2-stop flight?

Can I buy a plane ticket from A-B-C but get on the plane at B?


Can I implement += in my class to increase a contained value?


How to proof that for all n $ (\sum_{i=1}^n i)^2 = \sum_{i=1}^n i^3 $

Proving $1^3+ 2^3 + \cdots + n^3 = \left(\frac{n(n+1)}{2}\right)^2$ using induction


Creating a DateTime in a specific Time Zone in c#


Expectetion of $Y^{\alpha}$ with $\alpha >0$

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


Do permanent negative levels take away class abilities?

How can GMs quickly calculate the effects of level drain?


Ubuntu installed on a USB flash drive crashes upon boot

Ubuntu halts after few seconds of starting and nothing works command, virtual terminal, GUI


UnboundLocalError on local variable when reassigned after first use


Why does chat make random POST requests?


How can I save shell output to a variable in LaTeX?

Write18: capturing shell (script) output as command/variable?


Evaluating $ \int \frac{\sin x+\cos x}{\sin^4x+\cos^4x}\,\text{d}x$.

Evaluating $\int \frac{\sin{x}+\cos{x}}{\sin^4{x}+\cos^4{x}} \mathrm dx$


"This edit would have to be a suggested edit." error is confusing and unclear

"This edit would have to be a suggested edit" / edit button grayed out


When does the community user review first posts?

How can the Community user review a Low Quality post?


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


Center content in responsive bootstrap navbar


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


Does a fresh install of Ubuntu on an SSD need tweaking (to enable TRIM, etc.)?


java Recursion pass by reference or value?


Blender 2.81 - How to install fspy addon?

How to download and install an add-on hosted on github properly?


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


Problem converting color from RGB to CMYK for print


Post-apocalyptic sci fi book series. Humanity lives below ground, 'ferals' above

Looking for a post-apocalyptic trilogy where pilot is nursed back to health by natives of the land


count the number of spaces in values in sql server

How do you count the number of occurrences of a certain substring in a SQL varchar?


Why is my 7 year old son still having accidents in his pants?

Encopresis, I'm at my wits end? Does anybody have suggestions?


How to align div horizontally in React JS?

How do I align spans or divs horizontally?


Controlling the 2D $x–y$ aspect ratio of a 3D plot


Show that $\arctan(n)$ is irrational for all $n \in \mathbb{N}$


Is it possible to get the URL of the external system from which a user has modified a record in Salesforce?


Consecuence of the existence of isomorphism $\mathbb{R}^3\rightarrow \mathfrak{o}(3)$

Canonical isomorphism between $\mathfrak{so}(3)$ and $\mathbb R^3$ with vector cross product


Only wallpaper, no icons or menus after update

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


I am new in here and am in need of help with ''communities''

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


Qt - QImage works on one computer and not on another


Pairs $(p,q)$ such that $id: l_p\to l_q$ is bounded


Break out of two loops and two if statements - Python


Proving this binomial identity $\sum_{k=0}^n {n+k \choose k} \frac{1}{2^{k}}= 2^{n}$


Identity involving infinite sum of exponentials

Proving the functional equation $\theta (x) = x^{-\frac{1}{2}} \theta (x^{-1})$ from the Poisson summation formula


Switch to Console in Ubuntu 18.04 - How to Leave GUI?


How to hard reset specific files in git?

How can I reset or revert a file to a specific revision?


NullPointerException in userdefined method "insert" in datahelper class

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


Acessing a random array a given number of times without using the random module (Python)

Shuffle an array with python, randomize array item order with python


$\lim_{x\to c}f'(x)=L$ implies $f'(c)=L$

Prove that $f'(a)=\lim_{x\rightarrow a}f'(x)$.


"What is funny in people being injured?" vs "What is funny in peoples' being injured?"

Which is the correct gerund clause? 'People's killing animals', or 'People killing animals ... '?


Formatted hdd but grub remains, can't boot from cd or install windows

How to remove Ubuntu and put Windows back on?


Is a Pokémon's weight and height relevant?

I've got an "XS" Pokémon. Is it special?


export object schema(objects, fields, datatypes ) from sandbox to excel?

How can I export object's field schema information to excel?


Avoid NullPointerException in DAO or Service


Why is my variable local in one 'while read' loop, but not in another seemingly similar loop?


Find documents where any field matches a search string

MongoDB Query Help - query on values of any key in a sub-object


I cannot start up QGIS and get an error message


Is it reasonable to upvote in order to counter what I think is an unjustified downvote?

Is voting to balance in the spirit of the site?


How to split command params with quotes?

Regex for splitting a string using space when not surrounded by single or double quotes


Does the canonical commutation relation give a unique solution for the momentum operator?

Does the canonical commutation relation fix the form of the momentum operator?


A function $f$ such that $f \in L_1$ but $f \notin L_p$ for $p>1$

$f \in L^1$, but $f \not\in L^p$ for all $p > 1$


Backbone Uncaught TypeError: Object render has no method 'call'

Backbone Object render has no method apply - issue with bind


Using Process Monitor to track registry changes


Type 'String.Index' does not conform protocol 'IntegerLiteralConvertible'


Why don't heavenly bodies attract each other stronger?

Why doesn't the Moon fall onto the Earth?


How to generate a random string of letters and numbers in Javascript?

Random alpha-numeric string in JavaScript?


Comparing two variables one taken from previous activity


PHP multi dimensional array search and get array of the key

PHP multidimensional array search by value


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


Is there any clear definition of game-ready models?


What is the proper way to access the active scene in a driver expression?

How can a blender driver python script access scene properties like FPS?


SE Yahoo SSO Authentication fails, how can I access my account?


does implementing canonical tags on pages with high page view drop the traffic to them?

What is duplicate content and how can I avoid being penalized for it on my site?


Having problems with listings and UTF-8. Can it be fixed?


How was Padme's death handled by the surviving Jedi and the Empire?

Who delivered Amidala's body back to Naboo?


How to find the class implementing the thread from a thread dump?

How to find where a thread was originally started


$S$ is a subring of an integral domain $R$ which is finitely generated algebra over $S$, Jac(S)=0 implies Jac(R)=0


Page number appears in the middle of page on every new chapter


how to upgrade to latest version of ubuntu?

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


How do I get a substring of a string in Python?


What force pulls the simple electromagnetic train?

How does this "simple" electric train work?


'Dark' and 'light' functioning as adverbs or adjectives in the sentence "The dark brown coat will match the light brown pants perfectly"


'User removed' is counted twice in reputation tab when that user approved edits

When a user who approved an edit is removed, an incorrect "-2 reverted" event appears in reputation history


Getting prompted for verification code but where do I put it in?

No input field for Apple ID Verification Code


Hourly electricity demand data finding AR and MA terms


transfer of heat from lower to higher temperature


Need to free up space in boot for update, but can't purge kernels due to unmet dependencies

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


Do Muggle-borns produce magical children?

Do Muggleborn wizards have a higher chance of giving birth to Squibs?


If $a^pb^p=b^pa^p$ and $a^qb^q=b^qa^q$ for coprime $p,q$ and all $a,b\in G$, then $G$ is Abelian

A group such that $a^m b^m = b^m a^m$ and $a^n b^n = b^n a^n$ ($m$, $n$ coprime) is abelian?


How fast can the Earth rotate without people on the equater falling off and how long would the day last with this speed?

How fast would the Earth need to spin for us to feel weightless?


Counting number of one's in a binay number

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


J2ME radio app error. NullPointerException

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


Logistic regression vs. LDA as two-class classifiers


How to create a .desktop entry for .run file

Unable to start XAMPP using sudo in Desktop Entry


How do I create a package from an existing notebook?


Using Node.JS Over PHP in my next Web App Project?


What is this black line in my rendered donut?


Javascript How to detect Opera browser version?

What is the correct way to detect Opera using jQuery?


Motivation for Ramanujan's mysterious $\pi$ formula


Convert canvas to an image with JavaScript

Why does canvas.toDataURL() throw a security exception?


How does the lift force of an airplane work?


Concatenate two cell arrays of strings with a space in between?


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


LIKE %search% PDO returning weird results

How do I create a PDO parameterized query with a LIKE statement?


Android app crashing with java.lang.IllegalArgumentException: Invalid payload item type error

Android: java.lang.IllegalArgumentException: Invalid payload item type


Is there a way to break up an image file into separate polygons based on colour?

Is there a way to classify simple non-spectral images in ArcGIS?


Launching a cmd window with commands using python script?

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


How can I visualize the file system usage on Windows?


Absolutness, need for some clarifications and examples.

The statement "$\alpha$ is a cardinal" is not absolute


What do i need to do to upgrade from 15.04 to 15.10 (and eventually to 16.04)

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


how to tell oracle sql treat & as data not as bing variable

How do I ignore ampersands in a SQL script running from SQL Plus?


simple new way to use gif on beamer presentation

Getting GIF and/or moving images into a LaTeX presentation


' Exception in Application start method, java.lang.reflect.InvocationTargetException ' reading from Derby database then displaying in table in JavaFX

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


How to return array from label offset expression?


Why use a resistor network, and how are they special?

Pros and cons of using resistor networks over individual resistors?


Prevent blank screen (locking) in gnome-shell while watching videos

How to prevent the screen lock while watching video (Netflix, Youtube, Amazon Prime) in Ubuntu 17.10


Concatenate multiple files with same header


Switching from Ubuntu Desktop to Server 14.04

What is the easiest way to strip a desktop edition to a server edition?


How do I hide the System Reserved partition?


Find a continuous function over reals that takes on every value exactly three times

Function $f: \mathbb{R} \to \mathbb{R}$ that takes each value in $\mathbb{R}$ three times


R shiny ERROR: object of type 'closure' is not subsettable

Error in  : object of type 'closure' is not subsettable


NullPointerException when change Activity to AppCompatActivity


Is it possible to get legendary drop while in a different map?

Do I have to stick around to get co-op loot?


How to do email address validation using Javascript (without JQuery)?

How to validate an email address in JavaScript


How can I tell whether Date & Time are "Set Automatically"?

To know date and time settings in device from an iPhone application


__FILE__ macro manipulation handling at compile time


How to use Alt+Shift to switch keyboard layouts?


Object in texture mode looks like solid mode


git log branch1..branch2 (two dots) vs. git log branch1...branch2 (three dots)?

What are the differences between double-dot ".." and triple-dot "..." in Git commit ranges?


Display limited repeat values in one pdf page

Limit number of tables displayed in one page (When using Apex:Repeat), when redering as pdf to avoid page/table breaks


a word that contains every vowel contigiously

Is there a word that contains all the vowels?


How to Assign Background Color Using "if" Condition

How to color rows based on cell value in OpenOffice and LibreOffice


Identify this symbol: two circles overlapping


Which variables to keep in my analysis based on loadings from PCA?

Using principal component analysis (PCA) for feature selection


Extending linear functionals by induction

Prob. 9, Sec. 4.3 in Kreyszig's Functional Analysis Book: Proof of the Hahn Banach Theorem without Zorn's Lemma


Why do we use the base form of verbs instead of the past form in past tense questions?


How to AutoSize the height of a Label but not the width


Is Java's printf() method efficient for concatenating and printing Strings?

Should I use Java's String.format() if performance is important?


What is the percentage of Latino/Hispanic females with a Ph.D. degree?

Is this statistic about how many Latinos/Hispanics have a PhD in the USA correct?


Trouble accessing python superclass attributes

Python method name with double-underscore is overridden?


How to find out how many roots of a polynomial is in each quadrant?


Calculate values from specific fields for each row in a featureclass


The import cannot be resolved in eclipse

Eclipse error: "The import XXX cannot be resolved"


'Continue' button won't go to the next activity

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


How do I change the color of my bash commands (only) in a terminal?

How do I set the prompt to use two colors?


How to check if my application is the default launcher


Is clustering (kmeans) appropriate for partitioning a one-dimensional array?


How to show randomly mathematic sign in xcode


bash: Colorful prompt and long command line

Linux: coloring bash prompt will break carriage return


finding equivalence classes of $D^n/S^{n-1}$ and this hoemomorphism with $S^n$


byte-code: Symbol's value as variable is void: org-babel-tangle-lang-exts

Emacs: Symbol's value as variable is void


The twin paradox in a universe with a torus topology

Symmetrical twin paradox in a closed universe


How to add citations in style [xx-yy] in LyX?

How to display citations in text grouped as [1-3] in stead of [1,2,3]


List changes unexpectedly after assignment. Why is this and how to prevent it?


Is there a way to use the same login session on a Selenium WebDriver already opened?

Selenium: reuse existing browser session, instead of opening new windows?


Trying to solve this integral $ \int x^xdx $


Prove the inequality $n! \geq 2^n$ by induction


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


How do I prevent fake sessions on my Google Analytics?

How to fight off Google Analytics referrer spammers?


How to install Win 8.1 to HDD as booting it from SSD?


Replace rule with function? Derivatives don't evaluate


Is there a class to read in a CSV file in the build for an iPhone?

Loading a CSV into Core Data managed sqlite db


Materials do not show in material preview mode

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


Every family continues to have children until they have a boy. What's the boys : girls ratio?


Determine Whether Two Date Ranges Overlap


Error while installating pip for Python3


How to put a break on an instruction specified by address in gdb?

How to break on assembly instruction at a given address in gdb?


Vertically align content to the middle of a div?

How can I vertically align elements in a div?


JS inheritance via 'factory' - undefined - cannot read property


How do I change my username in the Stack Exchange app?

Ability to update profile from the Stack Exchange Android App


Can't unzip .zip files in Xubuntu 12.04 64-bit

How to unzip a zip file from the Terminal?


What is +XXXX [any number] change in stackexchange user of the week?

What does "Change" represent in the User Leagues?


If $f$ is a quadratic and $f(x)>0\;\forall x$, and $g= f + f' + f''$, prove $g(x)>0\; \forall x$


TAR 6 GB worth of files into separate 1.9 GB TAR files

How to create split tar archive in multiple stages to save space?


Schengen visa to vist Italy with my husband who is from South Africa

Schengen visa as a spouse of an Italian citizen


Do I need to license fonts included with my OS?


Evaluating $ \lim_{x\to \infty} x \left({{\left(\frac{x}{x+1}\right)}^{x}-\frac{1}{e}}\right)$

Computing $\lim_{x \to \infty} x \biggl[ \frac{1}{e} - \left( \frac{x}{x+1} \right)^x \biggr]$


bounding the sum of squares of lengths of a quadrilateral inscribed in a unit square


.NET - Adding multiple generic types to a linked HashMap

What is the equivalent of Java wildcards in C# generics


How do I turn down postdoc offer for an industry job?

How should I phrase an important question that I need to ask a professor?


Prove the set $K = \{\frac{1}{n} \mid n\in \mathbb{N}\}\cup \{0\}$ is compact.

Proof Verification: Let $D=\{ \frac{1}{n} \mid n\in\mathbb{N} \} \cup\{0\} \subset \mathbb{E}^1$. Prove that $D$ is compact.


How to decrypt all my personal files which is encrypted by window after window 10 reset?

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


Are Guids guaranteed to be unique on creation?


Digital Surface Model data for Switzerland?

Seeking open raw LiDAR or laser scanner data?


Austrian embassy asking for old passport for visa

Lost my old passport for Schengen visa application


Prove that if $f(1) = 0$, then $f(xy) = f(x) + f(y)$ for all $x, y > 0$.

Suppose f is a function such that f'(x) = 1/x for all x > 0. Prove that if f(1) = 0, then f(xy) = f(x) + f(y) for all x,y > 0


about the usage of "the" before a possession construction


How to make sure if the residuals are normally distributed?

Regression - How do I know if my residuals are normally distributed?


Find $a$ by looking at the triangle containing squares.

how can I find the Side length Two squares inside an equilateral Triangle?


What is currently the biggest prime number with no smaller undiscovered prime number?

Currently, what is the largest publicly known prime number such that all prime numbers less than it are known?


How To Tp Players When They Touch A Certain Block In Multiplayer

How to kill a player when they touch a block?


Why is the propagator the Green's function for Schrodinger equation?

Differentiating Propagator, Green's function, Correlation function, etc


why is everything heavily responding while transferring data to a 32GB USB stick?

Why is my PC freezing while I'm copying a file to a pendrive?


Proving $\lim \limits_{n\to +\infty } \left(1+\frac{x}{n}\right)^n=\text{e}^x$.


Difference between 'cat < file.txt' and 'echo < file.txt'

Redirecting the content of a file to the command "echo"


Communication & Networks v/s Signal Processing & Optimization - what area to work in?

I've been admitted to multiple PhD programs, how should I choose between them?


Is it possible to skip onPause() method of BaseActivity in MainActivity when latter extends former?

Why is super.super.method(); not allowed in Java?


Excel NORM.DIST() calculation for a specific value of x (CUMULATIVE = FALSE)?

Can a probability distribution value exceeding 1 be OK?


Line under text with spaces. Is it possible via html & css?


Sci Fi book about the last pure blood Terran

Looking for story - post human galactic civilization


Is there any way to know when I will receive my UK visa?


Why am I unable to lock semaphore in C code?

Program using Semaphores runs fine on Linux...unexpected results on Mac osX


A malware in Mozilla, An URL opens automatically?

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


Get bluetooth device connection strength

Bluetooth signal strength between iphone devices


$\zeta_5$ has degree $4$ over $\mathbb{Q}$ and $\zeta_7$ has degree $6$ over $\mathbb{Q}$


Why is my model flickering when rendering?


jquery animation callback called once instead of for each element

Callback animation to begin only after ALL children have finished animating


Is there a free way of unlocking an Android phone from a particular network?


how to change only the language of dashboard

How to change the language for the front-end only?


How to read a .exe file from local directory and place it inside a C# DataTable?


ios: how to detect if a custom url scheme link failed?

how do I detect if window.location failed?


Centos mysql version is 5.5 however PHPmyadmin still says version 5.1


What values of alpha guarantee the convergence of $\sum _{n=0}^{\infty }\left( \frac {\alpha n} {n+1}\right) ^{n}$?


How to get an enum value from a string value in Java?


HTTP Status 500 -with description -The server encountered an internal error that prevented it from fulfilling this request

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


Why is the phrase "less than 15 people" incorrect?


Are there any non-contraction you-plural words in English besides 'yourselves'?

Which English dialects have 2nd person plural?


Parsing JSON key and value with a JS for loop

How do I enumerate the properties of a JavaScript object?


how to make use of multiple processors with Node.js?


Duration of stay one day shorter than the validity period

How to calculate the number of days one can stay in the Schengen area?


How did Regulus Black discover the Dark Lord's secret?

How did R.A.B get to know about Voldemort's Horcruxes?


Could subjective discussions be supported using another format?

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


What are the similarities and non-similarities between a module and vector space?


How to install Ubuntu Desktop on Windows Vista


Get all non-unique values (i.e.: duplicate/more than one occurrence) in an array


Why do Neutrinos pass through us but photons can't pass through us?

How do neutrinos pass through the sun so quickly?


Lipschitz transformation maps measure zero sets to measure zero sets.

Why does a Lipschitz function $f:\mathbb{R}^d\to\mathbb{R}^d$ map measure zero sets to measure zero sets?


Search for records in my db which match/contain certain WHOLE keyword(s)

How to use an user variables in MySQL LIKE clause?


Why doesn't INotify work with `/etc/mtab` or `/proc/mounts`?


Does absolutely convergent trace series imply that the operator is of trace class?

Self adjoint operators and trace class property


Using Minim library in Java. Couldn't get the helper class working

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


Good algorithm to compute the sample mean and variance

Robust mean estimation with O(1) update efficiency


How to install mods for the new Minecraft launcher


Self-complementary graph with 4k+1 vertices, which is 2k-regular

Prove self-complementarity of regular graph with given order.


Arithmetic precision problems with large numbers


exponential of Covariance of two variables in logs, cov(X,Y)=exp(X)*exp(Y)*cov[ln(X),ln(Y)]

Expectation, Variance and Correlation of a bivariate Lognormal distribution


Citation of the British National Corpus (BNC)

Using a 'corporate author' in the "author" field of a bibliographic entry (spelling out the name in full)


Different results using ST_Length and ST_LengthSpheroid in PostGIS


How did Hagrid, Sirius and Severus find Harry?

How did Hagrid and Dumbledore know the Potters had been killed?


Is there a way to edit/tweak the regional settings?


Show that if $G$ is a non-trivial subgroup of $\Bbb R$ then either $G$ is dense in $\Bbb R$ or $G=l\Bbb Z$

Characterizing Dense Subgroups of the Reals


PHP: How to display child node defined in XML xpath?


Is there any way to prevent MySQL from reading entire table when I specify to select first 10 rows?


"System problem detected" in Ubuntu 14.04 LTS

Getting "System program problem detected" pops up regularly after upgrade


how can I find out the surface area of my mesh in blender 2.9?


Practicality of virtual destructor in Base Class


What is the meaning of the density of a distribution at a point?


Proving $\gcd(ga, gb) = g\gcd(a, b)$ intuitively

Prove that $(ma, mb) = |m|(a, b)\ $ [GCD & LCM Distributive Law]


Change detection between two Landsat scenes?

What is Change Detection and performing such analysis with open source tools?


Prove that there do not exist distinct integers $a,b,c$ and polynomial $P$, with integer coefficients, such that $P(a)=b, P(b)=c, P(c)=a$.


How to determine if certain operation is associative based on Cayley table

Is there an easy way to see associativity or non-associativity from an operation's table?


What hardware does Ubuntu Touch support?


I have the problem in url path settings?

Need to redirect the non-existence URL's to 404 page instead of parent url


Short story demonstrating the butterfly effect with time travel. It's similar to "A Sound of Thunder"

Short story ID: Bouncing-Ball Time Travel


What is the difference between a conference paper and a workshop paper?

What is the point in publishing a paper in a workshop rather than in a conference?


How did Tom Riddle first find out about Horcruxes?

Why did Hogwarts Library carry a book containing information on horcruxes if it was a banned subject?


why doesn't the text get centered?it becomes on the right edge


Why does my computer beep when I turn it on? What are these beep codes?


What to call the area where the hair directions all change on the head?


Python list : python 3d list assign and index different result

List of lists changes reflected across sublists unexpectedly


How to ask for help if i know that the answers are (more or less) opinion based, but still helpfull?

How to ask for experiences instead of hard facts


java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String android.os.Bundle.getString(java.lang.String)'

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


How to change ProgressDialog Spinner color in Android?

How to change color in circular progress bar?


windows virus on usb will run on ubuntu 16.04?

Building a version of ubuntu without any USB functionality


how to add loop in date column in sql through query?


How to write methods that should only be used within the class itself and are able to access ivars

Best way to define private methods for a class in Objective-C


Why do people have darker skin in sunnier climates?


Is the length of HTTP GET limited to 2048?

What is the maximum length of a URL in different browsers?


Matplotlib not found in Anaconda virtualenv, Ubuntu 20

Python does not find packages installed without Anaconda


Area of a revolution surface : what's wrong here?

Areas versus volumes of revolution: why does the area require approximation by a cone?


Is there syntactic sugar to shorten the OnPropertyChanged construct?


Recommendations for a fingerprint reader for Late Oct 13 MBP

Can you add an external fingerprint reader to a MacBook that will work like the built-in reader?


Can Mystique become the Hulk if she shapeshifts into Bruce Banner?


ExpressJS + MongoDB: Better to make one API call with 10,000 objects, or 10,000 individual API calls?

How do you do load testing and capacity planning for web sites?


Rendering issue where code snippet joins with info section under question

The case of the bleeding monospace font!


my website can no longer send email and I didn't even change the code

How can I prevent my mail from being classified as spam?


jquery-mobile create dynamic controlgroup and apply jquery-ui css

Dynamic controlgroup and checkboxes unstyled


shutdownd service missing on Ubuntu server 16 LTS

Detect pending sheduled shutdown Ubuntu Server 16.04.1


(MtG) Damaging a blocker once blockers have finished being declared

If a blocking creature leaves the battlefield, is the attacker still blocked, or will it damage the opponent?


Explanation of finite population correction factor?


Why does the electric field strength for a dipole go as $1/r^3$?

Why does the field of an electric dipole drop off as $1/r^3$?


Simple passing of value of a variable from PHP file to JavaScript function

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


weird gradients appearing in the final render

Rendered image shows visible "line strokes" artefacts


assertRaises in python unit-test not catching the exception

How do you test that a Python function throws an exception?


How to add vertical and horizontal dashed lines in array and tabular enviroments?


Check domain or IP that request came from?

How do I get the remote address of a client in servlet?


Schengen Visa Valid on arrival in Schengen State and not while boarding flight

If my Schengen visa starts on the day of arrival which is one day ahead of departure, would they let me get into the plane?


How to prove that $f_n(x)=\frac{nx}{1+n\sin(x)}$ does not converge uniformly on $[0, \pi/2]$?

Does $\frac{nx}{1+n \sin(x)}$ converge uniformly on $[a,\pi/2]$ for all $a \in (0,\pi/2]$?


Unity unable to login (can login with xubuntu)

Laptop using 14.04 won't get past login GUI


What can I do if I forgot my Windows password?


How do I detach a process from Terminal, entirely?


Google Sheets: How to combine 2 ranges in 1 column

Combine two columns into a list of all possible combinations of entries


How to empty the list of supplementary group IDs for a process?


Finding $(a, b, c)$ with $ab-c$, $bc-a$, and $ca-b$ being powers of $2$


Better sub-pixel rendering of fonts when monitor is in the portrait mode

How can I change font rendering to sub-pixel BGR ordering?


XML Parsing: Element Tree (etree) vs. minidom

XML parsing - ElementTree vs SAX and DOM


Prepay (micro) sim card for data in Thailand

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


JavaScript closure inside loops – simple practical example


Why did Einstein put a negative sign in the Pythagorean theorem?


Find $\lim_{n \to \infty} \frac{s_1+s_2+s_3\cdots+s_n}{n}$


Prove that $n^3=n \text{ mod }6$ for every integer $n$.

Prove that $x^3 \equiv x \bmod 6$ for all integers $x$


Determine the convergence of the recursion $x_n=\sin(x_{n-1})$

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


Prove that $(X \cap Y) \cup Z = (X \cup Z) \cap (Y \cup Z)$


Can black holes form in a finite amount of time?


Add a new column between other dataframe columns


If a creature fails the save against the Sanctuary spell, does "choosing a new target" let it move and retry the attack against the new target?

If a creature attacks a target warded by Sanctuary but fails the save, do they lose the attack/spell if there is no other target immediately in range?


TinyDNS and proper settings for SPF records

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


Installing .deb packages with Ubuntu Software

Problem with .deb packages on Ubuntu 16.04


What does a multimeter read when you measure unstable DC-voltage

Measuring an AC-voltage at the ouput of a full bridge rectifier


Environment that eats up (ignores) text inside it


W:Skipping acquire of configured file 'main/binary-1386/Packages' as repository... doesn't support architecture '1386'

How to solve "Unable to find expected entry 'restricted/binary-1386/Packages' Wrong sources.list entry or malformed file"?


Asserting that Atheism and Theism are both faith based positions


Wipe Windows 8 and replace it with Ubuntu

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


Where can I find stock or custom ROMs for my Android device?


Syntax highlighting in Rails Server log?

How to display rails server infos with colors in terminal


I intend to change only the font of a line using LaTeX Font Catalogue, but the whole of document will be changed

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


How do I prepare my system for cloning, before using CloneZilla?


Website can scroll, but Jquery scroll calculate stops at certain points

Calculate how much user has scrolled (incl margins & paddings)


Two passports, questioned by immigration?

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


What resolution should a large format artwork for print be?


How to create an ACF shortcode with Repeater Field in WordPress?

Problem with ACF shortcode with Repeater Field in WordPress?


Blackberry 5.0 - BrowserField handle link clicked


Projection problem shapefile / layer created with LAS tools

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


Do the beacon lighters really live on top of the mountains?


Derive squared exponential covariance function

How to prove that the radial basis function is a kernel?


List of lists changes reflected across sublists unexpectedly


See if a sequence $\frac{n!}{n^n}$ has a limit and find it


Triplicating a number by moving Last digit to First digit

How is moving the last digit of a number to the front and multiplying related to multiplicative orders?


Apache2 restart issues after editing virtualhost

Apache error "Could not reliably determine the server's fully qualified domain name"


NullPointerException when I set Visibility Gone

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


Where vs when - a matter of place or one of... time

Is it common to use "where" after "a time" as a relative?


TEXstudio problem in 14.04: no info on mouse hovering

TeXstudio: content-assistant popup window is unreadable


Where to signal my wish: a desktop topbar taking away the menubar of the application windows?


Rounding to Arbitrary Levels of Precision in JavaScript

Is there a way to round a decimal place to the nearest whole in javascript?


Why beta sign is different than correlation sign?

Is there a difference between 'controlling for' and 'ignoring' other variables in multiple regression?


Is quotient group $(\mathbb{Z}\times\mathbb{Z})/(\langle (4,6)\rangle)$ cyclic?

How to describe the quotient group Z x Z /


Microphone volume at maximum yet too quiet


I want to place after all: echo "etc" ( >> filename)

How to redirect output of an entire shell script within the script itself?


transparent PNG image not working in cycles

How can I setup a Material in Cycles for Z-Transparency?


Copy text from Midnight Commander editor

Copy and paste text in midnight commander (MC) via putty in Linux


Does an adjective apply to both nouns when they are joined with 'and' [or 'or']?


How to render an object with both a base mesh wireframe and subdivision surface wireframe?


SQL Server : check for existing entry before UPDATE

Solutions for INSERT OR UPDATE on SQL Server


Literature references to the "Greene" approach to testing overdispersions in the Poisson regression model

Poisson or quasi poisson in a regression with count data and overdispersion?


Can you use different Voltage and Amps to a charge phone?

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


Shouldn't there be an appeal process for (wrongly) rejected edits?


Possibility of a Figure with infinite area or perimeter

Is there a shape with infinite area but finite perimeter?


How come modulo gives same result while applying on each step or applying once in end?

Why can we modular reduce arguments of sums and products in modular arithmetic?


How do I transform the working directory into a 8.3 short file name using batch?


How do I find the RGB representation of a Color object?


Did time exist before the Big Bang and the creation of the universe?


Scala 2.10.2: How to dynamically load class from string?


Find point B on line L given points AC where angle ABC equals angle X


How force affect the objects that we apply on?


Give a proof by cases that shows that $n(n ^2 − 1)(n + 2) $ is a multiple of $4$, for all integers $n$

Prove that $n(n^2 - 1)(n + 2)$ is divisible by $4$ for any integer $n$


calling methods details like line number, method name and class name in android

Getting the name of the currently executing method


Is there a way to compute accurately a float power to base 2 in Python?


Why $\lim_{n\to \infty} \left(1+ \frac 1n \right)^n=e$ doesn't imply $\lim_{n\to \infty} \left(1+\frac 1n \right)≠1?$


Copy file name (without path) to clipboard

How to copy the filename quickly in windows


Can i Execute/reuse javascript code from C# (windows service)


Null Object on XML Camera Intent on API =>24

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


Windows 8.1 is Completely Blocking Ubuntu

Windows 8 removes Grub as default boot manager


Why were Allspark-created small robots offensive by default?

Why are newly animated Transformers always evil?


How can I split a string based on a delimiter in bash?

How to split a string in bash delimited by /


How to do sum of col results from a SQL Stored Procedure

Insert results of a stored procedure into a temporary table


Port scan attacks detected from my server

How do I deal with a compromised server?


the number of $n\times n$ matrices of 0's and 1's such that every row and column has three 1's

Number of certain (0,1)-matrices, Stanley's Enumerative Combinatorics


How will learning about philosophy impact real-life?


Java giving error when trying to use multiple inputs in while loop


Code Coverage Failure Your code coverage is 73%. You need at least 75% coverage to complete this deployment

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


How can I solve the localhost/phpmyadmin

Getting PEAR to work on XAMPP (Apache/MySQL stack on Windows)


how do i get rid of extra array in python?


print double number in java and get wrong answer


AC: Why differentiate between Ground and Neutral?


2 SFMC Business Units Connected to 1 Sales Cloud Org

Can I connect two MC business units to one Salesforce org?


Format float with fixed amount of digits python


Printing the Index of an Array Element: Java

How to find the index of an element in an array in Java?


PostgreSQL: a Login Role to only access Views

How can I create readonly user for backups in PostgreSQL?


Javascript alert window Based on Given time


Why does my material panel look different?


How can I control the aperture of a Nikon G lens when using extension tubes?

What macro techniques offer an alternative to expensive optics?


How to align at multiple positions when each line is a single equation?


Removing Singularity of real bounded harmonic in punctured disk.

Can any harmonic function on $\{z:0<|z|<1\}$ be extended to $z=0$?


How do I run a command when a player right clicks?

How can I apply an effect when a player left-clicks/right-clicks with an item in hand?


Antiparticles travelling backward through time

Is anti-matter matter going backwards in time?


Where can I learn more about neural network optimization?

Guideline to select the hyperparameters in Deep Learning


Looking for a book about small wormholes used for viewing other places/times

SciFi book where scientists learn to peek through time (possibly controlled miniature wormhole?). Computer screens were carried like a handkerchief


Can Australians travel in certain Schengen countries for 90 days each?

Which Schengen countries have bilateral agreements which ignore the standard 90/180 rule?


Space opera about two humanoid races at war.

Book about ancient Martian astronauts being the root of modern humanity and time travel


Do the yearly (worldcomp) conference recognized by Scientists?

How can I determine whether a conference is reputable?


How do I show $ 100^{n} $dominates $ n^{2.5} $

How to prove that exponential grows faster than polynomial?


unable to run ls -a in shell script file

shopt works in command line, not found when run in a script


Pittsburgh English - dropping the "to be" before a verb

Central Pennsylvanian English speakers: what are the limitations on the "needs washed" construction?


How to get my Android device Internal Download Folder path

how to access downloads folder in android?


How can I obfuscate (protect) JavaScript?


If the method of FTL cannot be observed, does it still break causality

How does faster than light travel violate causality?


Emails from a VPS server usually go to spam folder?

How can I prevent my mail from being classified as spam?


JavaScript How to delete key from copied object?

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


What do 'real', 'user' and 'sys' mean in the output of time(1)?


Why isn't my code working beyond printing the math.random?


How to install software that "Requires installation of untrusted packages"?

How do I deal with "unauthenticated sources" errors in the Software Center?


While in a Terminal doing an update I get a few error messages. Please help

Failed to download repository information due to missing CDROM


How to resolve a '"file" is damaged and can't be opened' problem on Catalina?

“qnmqkmkrqwfq” is damaged and can’t be opened , even though i set Allow applications downloaded from: Anywhere


How do i convert Lat and Long to Address using HTML5?

How to convert longitude and latitude to street address


How do I pull the sqlite database from the android device?

Retrieve database or any other file from the Internal Storage using run-as


Structure theorem of modules in the graded case

Finitely generated graded modules over $K[x]$


How to prove $E(Y|X)=E(Y),a.s.$ formally if $X,Y$ are independent?

Proving seemingly obvious equations with measure theory


Does $\sum_{n=1}^{\infty} \sin(\pi(2+\sqrt{3})^n)$ converge? Converge absolutely?

Consider convergence of series: $\sum_{n=1}^{\infty}\sin\left[\pi\left(2+\sqrt{3}\right)^n\right]$


Need help with the title of a old scifi book

Identify book with different races that have only one sense each but must cooperate in competition


Do I owe any back taxes due to an IRS audit?

Robocall claiming to be IRS saying they are about to sue - Is it legit?


Electric field and potential in a point inside conductor for a particular case

Is electric field inside a cavity necessarily zero?


How To Fill The Hollow Parts With Another Material?

Add different materials to different parts of a mesh?


How can I install Windows alongside an Ubuntu 16.04 installation?

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


Getting Error on Text/CSV.pm when running Perl Script

What's the easiest way to install a missing Perl module?


What is the best way to build visual boolean queries?

Intuitive interface for Composing Boolean Logic?


StreamCorruptedException: invalid type code: AC


Comparing $\pi^e$ and $e^\pi$ without calculating them


How do I detect a click outside an element?


Uniform continuity of $x \sin{\frac{1}{x}}$

Uniform continuity of $f(x) = x \sin{\frac{1}{x}}$ for $x \neq 0$ and $f(0) = 0.$


Can we get the ability to search for “user:current”?

How to search a string in the list of answers added by me on Stack Overflow?


How to fit gamma distribution to events not happen?

ML estimate of exponential distribution (with censored data)


Ubuntu 20.04 Partial Update: Clicked Yes: What are the repercussions?


Does a PhD thesis have to be theoretical?

May a PhD be more practical than theoretical?


centre a div larger than the viewport with jquery

Centering in CSS, when the object is larger than the viewport


How to exclude specific tables from list of tables?


Why are non-equally heavy objects falling at the same speed on the moon?

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


date and time not saved in correct format while executing batch file

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


How to install Windows 7 after Ubuntu and dual boot?


Paraphrase "Dusk closed across the house, sweeping its long shadows over the plain"


Tricks to manage the available memory in an R session


MatrixConditionNumber for 2-norm unexpected error

How to estimate the matrix condition number in the 2-Norm?


While upgrading my Ubuntu from 18.04 to 20.04 it stopped responding and I forced it to restart and it is showing error

After Upgrade to Ubuntu 20.04: "Oh no! Something went wrong"


A relatively new blog seems to be getting very poor Google indexing

Why isn't my website in Google search results?


Drawing a series of tile Images on a JPanel

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


In PHP, is it possible to get a 1 dimmensional array using PDO?


CSS3 - Use part of an image for background

How can I display just a portion of an image in HTML/CSS?


What configuration is required to render images in terminal?

How do I make my terminal display graphical pictures?


A short story about an astronaut on Mars

SF Story about human adapting to alien environment


How can I get my coordinates in Minecraft pocket edition?


If $\alpha=\beta+\omega$, then $1 + \cos\alpha+\cos\beta+\cos\omega = 4 \cos\frac{\alpha}{2}\cos\frac{\beta}{2}\cos\frac{\omega}{2}$

Prove trigonometry identity for $\cos A+\cos B+\cos C$


How do you compute with decimal numbers on a computer?


How to Install Ubuntu on separate hard drive in a dual boot With Windows 7?


Prove or disprove that the sum of two irrational numbers is irrational

Is the sum and difference of two irrationals always irrational?


What is this word for a person more knowledgable than an aficionado?

What is a single word meaning "authoritative source of knowledge"?


webupd8team ppa errors when installing java (with a 404)

Cannot install Oracle JDK via apt in Ubuntu 16.04


Group of even order must contain $a:a=a^{-1}$ $ (a\not = e)$

Group of even order contains an element of order 2


how can i compare data in 2 files to identify common and unique data?


How do I expire a PHP session after 30 minutes?


Is there an application other than Adobe Digital Edition that will work with the e-book .ascm format my library provides?

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


How to install latest version of chromium via ppa repository

How to install the latest stable version of Chromium?


Why is get.sobject('Id') method appending a 3-char string?

How to Convert 18 char Id to 15 char Id using substring in Apex trigger


On which of the websites of Stack Exchange one can ask about career options and expert advice from software professionals?


How do I install Ubuntu Server 12.04 without losing my Windows 7 files?

How do I install Ubuntu Server (step-by-step)?


Permission denied error when I back up to an external drive using grsync

How can I access and backup ~/.gvfs and ~/.cache/dconf?


How can I install an .exe file (Avast Internet security) in Ubuntu?


Evaluate a limit (probably involving L'Hôpital rule)


c++ unresolved external symbol - msvc 14 - visual studio express, half of the source in the header file

Why can templates only be implemented in the header file?


Cisco ASA/PIX Can't Access Internal Resources Behind NAT

How do I reach my internal server on the external IP?


Rule governing of and apostrophe in the same sentence

Why do we say "of mine/of his" instead of "of me/of him"?


How do I troubleshoot problems with my wireless connection?

My WiFi adapter is not working at all, how to troubleshoot?


Trying to manually sign android package with jarsigner.exe and install with adb.exe


Why OpenMP under ubuntu 12.04 is slower than serial version


How do I install and manage GNOME Shell extensions?


What's causing extra white space to the left of my standalone TikZ image?


StackExchange Mobile: Use separate CAPTCHA page

Please provide a mobile-optimized captcha page


How do install package of R language's interpreter for statistical computing?


Active transformation and passive transformation of a scalar field


What is the correct way to report a questionable audit?

What are review tests (audits) and how do they work?


Initializing one row of 2d array initializes the whole 2d array

List of lists changes reflected across sublists unexpectedly


Does all measured quantities by Hamiltonian operator should be real valued?

Why do we use Hermitian operators in QM?


Upsides of reporting a lower or upper bound vs. reporting the actual value

How should tiny $p$-values be reported? (and why does R put a minimum on 2.22e-16?)


Is it "a hour-long drive" or "an hour-long drive"?

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


What is this symbol on top of my service bar?

What is the status icon that looks like a house?


Predict rare happen event using logistic model?

Strategy to deal with rare events logistic regression


How to fix zoom creep in Canon EF 24-105mm F/4L IS USM lens?

Possible to lock focal length on zoom lens? (SELP1650)


Workflow for converting LaTeX into Open Office / MS Word Format


What criteria will the following note be added?

When is the message "Have you considered accepting an answer or starting a bounty for this question?" displayed?


Function with the property $f\circ f=-id$

Find a real function $f:\mathbb{R}\to\mathbb{R}$ such that $f(f(x)) = -x$?


Is there an official rule for minimum damage on a landing hit?


if $f(x) < g(x)$ for all $x$ and $\lim f(x)$ and $\lim g(x)$ exist on $a$, then $\lim_{x \to a} f(x) < \lim_{x \to a} g(x)$?

If $f(x)<g(x)$ prove that $\lim f(x)<\lim g(x)$


Mutate tuple of lists getting "'tuple' object does not support item assignment“

Why does += of a list within a Python tuple raise TypeError but modify the list anyway?


Virtualbox - Route a VM through a secure proxy

Configure VirtualBox to connect to Internet through proxy


Unable to update Atom via sudo apt update | Ubuntu 19.10

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


Schichttorte; a 20 layer German broiled cake

Translating cooking terms between US / UK / AU / CA / NZ


Is the universe fundamentally deterministic?


How to show a div at the current caret's position in a textarea?

How can i position a dropdown at cursor position inside a textarea?


What should i use lme or glm? (Biostatistics, diversity)

which analysis fit the best for the data?


Sound Problem - No Audio Input is Shown i.e Microphone is not Visible. Neigher "Headphone" profile is available?


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


Why is it important to override GetHashCode when Equals method is overridden?


Pass a PHP variable in a JavaScript function

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


Using FindRoot as a nonlinear function inside NDSolve


Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException on instatiated button

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


java.net.malformedurlexception protocol not found android

"java.net.MalformedURLException: Protocol not found" read to html file


How to delete an array in an object in Javascript?

How do I remove a property from a JavaScript object?


Polymorphism and Inheritance in JavaScript

How does variable assignment work in JavaScript?


How random search converges to find optimum of a function?

Practical hyperparameter optimization: Random vs. grid search


Install MikTex shared for dual booting Linux/Windows

What LaTeX system should I use for an Ubuntu/Win7 dual boot environment?


Is the Blood Fury Tattoo's damage doubled on a critical hit?

How does extra damage work for critical hits?


Find Oracle JDBC driver in Maven repository


When you dismiss then call back a familiar does anything it's holding come with it?

Can I use my familiar from the Find Familiar spell as a safety deposit box?


Is it possible to reverse the sign of factor loadings for one factor?

Does the sign of scores or of loadings in PCA or FA have a meaning? May I reverse the sign?


How to write a function returning Chebyshev Polynominals of the first kind using Nest[]?


Is my critique and criticism of Descartes's "I think, therefore I am", logically valid?

Is my argument against Descartes's "I think, therefore I am", logically sound?


How do I remap my Tab key on startup? - Ubuntu 20.04

How can I persistently remap keys in Ubuntu 16.04?


Not full-sized windows go too far to top left of the screen and their title bar is blocked by the top bar

System file windows open behind Unity launcher


Copy Parallel editor tool - python script / modelbuilder

How to create an offset polyline in arcpy?


How do I reset a lost administrative password?


Evaluate integral of $\ln(\sqrt{x^2+1}+x)$

How can I integrate $\ln \left( x+\sqrt{1+x^2} \right) $?


Diacritics in Bibliography using xelatex and biber

Biblatex + Xelatex does not display accents


If $y= \frac1{1+x} + \frac2{1+x^2} + \frac4{1+x^4} + \dots + \frac{2^n}{1+x^{2^n}} $, then find $\frac{\mathrm dy}{\mathrm dx}$.

Find the sum : $\displaystyle\sum_{i=0}^n \frac{2^i}{1+x^{2^{i}}}$


Can I break down a weapon into mods (not junk)?


Doubt: Can I use Nikkor 50mm f1.8G with Nikon D5500?

How does a DX-format sensor support FX lenses?


$\lvert G\rvert=24$ not simple by a counting arguments