If $x - \lvert x \rvert + \frac{1}{x} - \lvert \frac{1}{x} \rvert = 1$ then $x$ is irrational

Proving that $x$ is irrational if $x-\lfloor x \rfloor + \frac1x - \left\lfloor \frac1x \right\rfloor = 1$


I can't install any apps on Aquaris M10 as my ubuntu one login seems to fail

Can't update or install apps on Ubuntu Touch


℃ from mysql database cannot display on website


Let $n$ be any positive integer and let $x \in (0, \pi)$. Prove that $\sin x+ \frac{\sin 3x}{3} + \cdots +\frac{\sin(2n-1)x}{2n-1}$ is positive.


How do I install an R package from source?


Update Python 2.7 to latest version of 2.x


Expanding electromagnetic field Lagrangian in terms of gauge field


How to import a single function to my main.py in Python from another module?


How to back up & restore a rooted phone?


Threading elements over corresponding elements in the second list


How are the higher derivatives (jerk, jounce) of position with respect to time used in physics?

Why don't we consider jerk in physics classes?


Why is $\pi$ irrational if it is represented as $C/D$?


Looping and setting global variables through a future function

JavaScript closure inside loops – simple practical example


Not able to execute a .sh file: /bin/bash^M: bad interpreter


Show that $\int_{a}^{b}\frac{\ln x ~ dx}{(x+a)(x+b)}=\frac{\ln ab}{2(b-a)} \ln \left(\frac{(a+b)^2}{4ab} \right), a, b>0.$

Integral involving logarithm: $\int_0^\infty \frac{ \ln x}{(x+a)(x+b)} dx$


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


In python, What are the difference between single and double slash "Division"?

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


Masking name with RegEx Non-ASCII character


It is me who am to blame. It is I who am to blame


How to install all existing media codecs?


Single Variable Calculus Reference Recommendations


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


Why, if messageField is empty, then the code is still executed anyway?


Custom ListView Adapter throws UnsupportedOperationException


Can Java be used for developing games for Android in Unity3D


Should we write “allow” or ”allows” in “require that the class allow[s]”?

Why is this sentence correct? “She suggested that he go to the cinema.”


Where should I post about a Raspberry Pi server?

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


javafx exception when get image from metadata

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


How to configure postgresql for the first time?


App can't find libs even though they exist

How do you run a 32-bit program on a 64-bit version of Ubuntu?


Expected value of maximum of two random variables from uniform distribution


How do I find the caller of a method using stacktrace or reflection?


I faced the problem that a chapter is divided into two sub-chapters

Chapter with specific number (1, 1b, 2, 2b, 3, 4)


Creating a special table with different row lengths in latex


java.lang.NullPointerException at com.sun.faces.mgbean.ManagedBeanBuilder.getPropertyDescriptor when using


What determines the max CP and which methods are there to predict them?

Factors for max CP at a particular trainer level?


How do I input variables using cin without creating a new line?


Does the Xbox One automatically download app/game updates?

Automatic updates are not auto-downloading


Show that from any five integers, one can always choose three of these integers such that their sum is divisible by 3.

How do I prove that among any $5$ integers, you are able to find $3$ such that their sum is divisible by $3$?


Formatting number var with two decimal places

Javascript (+) sign concatenates instead of giving sum of variables


Does "ring of sets" have anything to do with the "ring" in abstract algebra?

Is the ring and semi-ring definition of algebra and set linked?


How can I find the number of arguments of a Python function?

Programmatically determining amount of parameters a function requires - Python


Why does it not like my arrays of TextFields, hBoxes, and Labels?

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


UK Visa Refusal: Provenance of funds/parking


Javascript Objects: is it not OK to redefine the prototype?

Is it ok to assign the JavaScript prototype object instead of just its properties?


What would cause a ClassNotFoundException after app paused for a time?

Android: ClassNotFoundException when passing serializable object to Activity


Google Sheets importxml() can't fetch from http://www.aastocks.com/

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


How do I comprehend the usage of *(3,4) in a.reshape(3,*(3,4))?

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


fprint_demo and fprintd_enroll not found Ubuntu 17.10

How do I install a fingerprint reader on Lenovo ThinkPad?


Java unsupported major minor version 52.0

How to fix java.lang.UnsupportedClassVersionError: Unsupported major.minor version


Is the function $F(x)=\int_{0}^{x} f(t) dt$ differentiable at 0?


How to do csv file export and download on request

Download a file from NodeJS Server using Express


Property relationg to non-ableian group $G$

An example of a non-abelian group $G$ where, for all $a,b\in G$, the equality $(ab)^{n}=a^{n}b^{n}$ holds for two consecutive integers $n$


How to determine image file format with Python

How to check if a file is a valid image file?


User-declared default constructor + in-class initializers != user-provided constructor?

Why does C++ require a user-provided default constructor to default-construct a const object?


Java PreparedStatement retrieving last inserted ID


Find the value of $\sum_{i=0}^n{\ell+i\choose i}$

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


How do I find out the exact name of a utility?

How do I find a command if I don't know its name?


not knowing how(Linux command) to restart oracle database 12.1.0 server

How to resolve ORA-011033: ORACLE initialization or shutdown in progress


Subgroups of a cyclic group and their order.


What is the difference between malloc and (object*)malloc?


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


Reference books on uniform spherical distributions in multiple dimensions

Claims and questions regarding $n$-ball distribution?


Conditional ORDER BY clause on an Entity Framework context

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How to expand summations using mathematical induction

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


Test if element is present using Selenium WebDriver?


DnD 3.5 Two-Weapon fighting sneak attack

Can a Rogue (D&D 3.5) use sneak attack on both the first and second attack?


How to perform orthogonal regression (total least squares) via PCA?


Can I start such a contact with one researcher that does not know me in one online conference?

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


What is the name of the volume delimited by two parallel planes?

Name for region between two parallel planes


nullpointerexecption when trying to execute delete method of databasehelper


I Tried Hard reset on my Samsung Tab E because I forgot my password, but It doesn't let me press 'yes' after pressing "wipe data/factory reset"

How to bypass "Verify your account" (Factory Reset Protection)


How to check the internet connectivity in xcode?

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


sed: replace part of text in previous line if match is found


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@AuraEnabled Support for Apex Class Return Types?


How to add image in DatagridView Column Header?

How to display an image in a datagridview column header?


Boot Ubuntu from a bootable USB hangs on purple screen

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


Is it accepted to fit model with standardized data and predict on non-standardized data?

Implementing linear regression with standardization


Show that $\mathbb{Q}(\sqrt{a} + \sqrt{b}) = \mathbb{Q}(\sqrt{a}, \sqrt{b})$

Show that if $\sqrt{a}+\sqrt{b}\neq 0$, then $\mathbb{Q}(\sqrt{a}+\sqrt{b}) = \mathbb{Q}(\sqrt{a},\sqrt{b}), \forall a,b\in\mathbb{Q}$


How can I use sshpass with a blank password coming from a variable?

When to wrap quotes around a shell variable?


Can I install any iOS version I wish by picking and choosing which firmware to restore?


" java.lang.IllegalArgumentException: uri.getScheme() == null! " error using JavaFX to play audio


What are you allowed to run on a Free Hyper-V 2012 host?

Can you help me with my software licensing issue?


How can I represent an 'Enum' in Python?


Shield spell - removing the special effects of a hit

Does blocking an attack with the Shield spell still trigger Armor of Agathys?


Receive same JSON response as coming from server


What does "the denominator does not contain any theta dependence" mean in Bayes' Rule?


substitution rules excluding subscripted variables


Proving first supplement of the quadratic reciprocity law

$-1$ is a quadratic residue modulo $p$ if and only if $p\equiv 1\pmod{4}$


Confusion With Index Notation in Field Theory

How come $\frac{\partial(\partial_{\beta}A_{\gamma})}{\partial(\partial_{\mu}A_{\nu})} = g_{\beta\mu}g_{\gamma\nu}$?


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How does a Cavalier fighter's Unwavering Mark feature interact with other "mark" abilities?


Clean program re-installation Windows 10

Why does 64-bit Windows need a separate "Program Files (x86)" folder?


What does it mean when a distribution is "INDEXED" by something?


Can I bind an array to an IN() condition?


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


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


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Can you help me with my capacity planning?


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Probability a bit in a bit string is 1 after swapping


Is the time loop on the cruise ship a second timeline in Triangle?


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How do I bulkify queries for directly or indirectly related records?


Why do we need to use chain rule of differentiation


HP and Goblet of Fire: why didn't Harry use the Summoning Charm for exceptionally significant matters?

Why didn't anybody Summon the Triwizard cup in the maze?


What is the intuition behind mapping one range of numbers onto another range?

How to scale numbers from one range to another range?


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


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How do I calculate the difference between dates?

Excel Formula difference between two dates


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"File Open" dialog is missing sidebar items


SFINAE tried with bool gives compiler error: "template argument ‘T::value’ involves template parameter"

Why is it disallowed for partial specialization in a non-type argument to use nested template parameters


Save map canvas as image with Python in QGIS

Saving Map Canvas as PNG with transparent background programmatically with QGIS?


Continuous v. per-chapter/section numbering of figures, tables, and other document elements


How to bypass "Verify your account" (Factory Reset Protection)


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Does a monk's Unarmed Strikes deal 2d4 damage if they have the Tavern Brawler feat?


Local function becomes global after Plot

Local variables in Module leak into the Global context


Which one to choose Type-I, Type-II, or Type-III ANOVA?

How to interpret type I, type II, and type III ANOVA and MANOVA?


Is there a difference between base vectors and projection method of calculating coordinates?

Geometrical representation of Contravariant and covariant vectors


Returning incorrect values of floor function in C++


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How to see the error messages when I get the white screen of death?


Read the directory, the current opened script is located in


Accuracy of "on-the-fly" CRS transformation in QGIS

QGIS area calculation differs when on the fly CRS transformation enabled


How to create a material that is part solid, part transparent wireframe?

Transitioning the overlap of multiple objects


Display the first 24 values in the Fibonacci series

Assembly Language (x86): How to create a loop to calculate Fibonacci sequence


Visual Studio: How to break on handled exceptions?


Reputation added is moved up on the Activity tab

What happened to the reputation information box design?


Python range slicing and indexing behavior

Why are slice and range upper-bound exclusive?


C# Collection properties should be read only


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ModernCV Remove horizontal line in sections


Why is Excel truncating my 16-digit numbers?


How do I open the JavaFX FileChooser from a controller class?


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192.168.1.1 randomly switching between accessing VDSL modem, and accessing the wireless router.


Why do some python scripts declare main() in this manner?

What does if __name__ == "__main__": do?


Remove leading characters in filename up to a certain pattern

Using rename to rename files and directories


QGIS v2. Convert longitude/latitude to UTM projection-Zone 51J - Southern hemisphere

QGIS display does not reflect projection


How should I phrase a question that must be answered with an ordinal number (e.g., the third prime)?


How to increase swap space on a live server


How to convert a video from mp4/flv to mpeg/mpg

What's video converters are available for Ubuntu?


concurrent modification exception when trying to edit selected items of rich picklist

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


How do I run a game with a .x86 extension


How to compare floating point variables in C++?

What is the most effective way for float and double comparison?


Show that $\mathbb{Q}[X]/(X^2 + X + 1)$ and $\mathbb{Q}[X]/(X^2 + 1)$ are not isomorphic

$\mathbb Q[x]/(x^2+1)$ is not isomorphic to $\mathbb Q[x]/(x^2+2)$


Why does Voldemort always say 'Avada Kedavra' instead of casting it wordlessly?

Why didn't Snape cast Avada Kedavra on Dumbledore non-verbally?


How to generate and plot data from a function of two variables?


How to pass comma-seperated values in clause in stored procedure


How to copy a file in Python with a progress bar?


Game Theory: What are Best Strategies for High-Low game (game details are below)?


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


JS function is not working when element clicked

Event binding on dynamically created elements?


How can I run a shell script in Windows?


How do I /give a NAMED Item that also can only be Placed on a Specific Block?

How do I combine the NBT tags from two separate commands?


Can my Dell Inspiron 3443 laptop run ubuntu 16.04?


how to include jquery in another javascript file

How to include jquery.js in another js file?


How to implement Einstein summation convention with differential operators

Python's einsum equivalent in Mathematica?


Splitting contents of a parenthesis to two lines


sql error: Unknown column in 'field list' on insert

When to use single quotes, double quotes, and backticks in MySQL


If the series $\sum_0^\infty a_n$ converges, then so does $\sum_1^\infty \frac{\sqrt{a_n}}{n} $


Slow boot time on fresh minimal install of 18.04

How to diagnose/fix very slow boot on Ubuntu 18.04


Why do my lights glow when the switch is off?

LED lamp keeps glowing when dimmer is turned off


Is there a way to suggest a decision by the "Community" bot  may be wrong?

Why does the Community user approve and reject edits?


is it possible to run ubuntu phone os in unoffical mobiles?

What hardware does Ubuntu Touch support?


Fitting data to multimodal distributions with scipy, matplotlib

How to test if my distribution is multimodal?


Prove that group of order 203 is abelian.

Nonabelian semidirect products of order $pq$?


How do I get a JLabel to show over a JButton?


Changing the heading of the bibliography


Let $A$ be a finely generated Abelian group. Prove that there is a topological space $X$ with a basic point $x_0$ such that $\pi_1(X,x_0)\cong A$.


What is the advantage of joining teams for competitive fighting tournaments?

What is the benefit of being on an eSport team for a non team based game?


What does it mean to go directly from "under review" to "decision in process"?

How much time does each stage of paper in Elsevier Editorial System (EES) take?


How can I Switch from Ubuntu back to Windows after installing Ubuntu on dual mode?

How to remove Ubuntu and put Windows back on?


Prove for every x,y of the Positive Integers such that x|y and y|x implies x=y?

Prove or disprove - If a divides b and b divides a does a=b


If it's "I am" and not "I are", why is it "I aren't" instead of "I amn't"?

Why "ain't I" and "aren't I" instead of "amn't I"?


Appropriate Method for Generating Confidence Intervals for Neural Network

How to determine the confidence of a neural network prediction?


Unable to install Canon Laser Shot LBP2900b Laser Printer on Ubuntu 20.04

How To Install Canon LBP2900B printer in 14.04 LTS ? I tried the method for LBP2900 but it didnt work


Is it true that for algebraic sets $V,W$ we have $I(V \times W ) =I(V) + I(W)$?


Ramdisk(block device) performance is extrememly slow


Why is the link list merge function not working in Java?

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


How to put the character ] inside the short version of caption on list of table?

LaTeX: optional arguments with square brackets


Is it really possible to break the speed of light by flicking your wrist with a laser pointer?


How to get 'n' no of rows and columns in a table using visuaforce pages or html or javascript

How to Achieve this Requirement ???Can i use Jave Script , CSS and Visual force page?


What is difference between signed char and char in C language?

char!=(signed char), char!=(unsigned char)


Java String.split() function gives wrong outputs

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


Was Snape better than Voldemort at Legilimency?

Did Voldemort know when he was being lied to by Snape?


Proof of irreducibilty of $f(x)=\sum_{i=0}^{p-1}(p-i)x^i$


What word means "the city in which one lives"?


where does Microsoft Store put Start Menu entries?

Where are ALL locations of Start Menu folders in Windows 10?


Why does CPU speed variate even computing massively?


UTF8 encoding issue where curly single apostrophe being converted as?


AWS EC2 - How can I recover files now that I'm no longer able to SSH into my server instance?

Re-gaining root access to an EC2 EBS-boot image


How to force setter's call for disabled fields in JSF 2.0

Force JSF to process, validate and update readonly/disabled input components anyway


Crew members of a space ship turned to stone

Pre-1980s Sci-fi movie about killer aliens


How to line up the pieces at the coast near the shipwreck?


How might I schedule a C# Windows Service to perform a task daily?


How common the usage of "fortnight" instead of "two weeks ago"?


CPU Clock speed vs number of cores for Cycles rendering with iMac?


Can a tikzcd arrow be replaced with another symbol?


After migrating page to other sandbox got error : View state size exceeded

Maximum view state size limit (135KB) exceeded. Actual view state size for this page was 141.828KB


What is the difference between visibility:hidden and display:none?


Struggling with Null Pointer Exception message when creating an array of objects from separate initialize lists

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


Cannot unlock Users & Groups in System Preferences


What does the exclamation mark do before the function?


How do I upgrade to the development release (aka. Ubuntu+1)?


Which registry keys are impacted with Xerox Printer driver installation?


How is Ondu Cleric's Rally ability resolved when more than one ally enters the battlefield at once?

Cards entering the battlefield simultaneously and "Enter the Battlefield" effects


Swing - JTable and DefaultTableModel references always return null


Find the sum of reciprocals of divisors given the sum of divisors


What's mean these microcontroller pin input/output modes?


How can I prove this formula? $\cdots=\sqrt{\frac{e\pi}2}$

An infinite series plus a continued fraction by Ramanujan


lampp is not starting because "Another web server is already running"

How to find the running network services and the port and user


Let f be whole such that $z_0$, $z_1$ $\in\mathbb{C}$ $\mathbb{R}$-independant, with $f(z+z_0)=f(z)=f(z+z_1)$ $\forall z\in\mathbb{C}$

Proving that a doubly-periodic entire function $f$ is constant.


Proof question that could be proved using mathematical induction.

$r+r^{-1}$ integral implies $r^n+r^{-n}$ integral


Where can I get best resources to learn sql?

Where can I find good literature for beginners?


Error 500 - Wrapper cannot find servlet class Tomcat6

Servlet returns "HTTP Status 404 The requested resource (/servlet) is not available"


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


How should I deal with a good suggested edit to my answer which was incorrectly rejected?

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


A proof of the Axiom of Choice --- where am I wrong?

Axiom of Choice: Where does my argument for proving the axiom of choice fail? Help me understand why this is an axiom, and not a theorem.


What are the two lines for on top of this tower?

What is the purpose of the thin wire at the top of power transmission lines?


Strange behavior of "for ... in ..." construct

Why is using "for...in" for array iteration a bad idea?


capture group with optional second capture group containing first group pattern

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


How do games/programs calculate numbers higher than limits in C++?

What variable type for extremely big integer numbers?


How do I find (or exclude) all directories and sub-directories matching a certain pattern (in Linux)?


Ubuntu 17.10 lid close: different behaviors on AC or battery?


Showing that an entire function is a polynomial based on its values on the unit circle

Characterizing non-constant entire functions with modulus $1$ on the unit circle


What is the best known gap between ZPP and Deterministic communication complexity?

Zero error randomized communication complexity vs deterministic communication complexity


Add a Question Ban Meter in the profile page

Add a "Magic 8-Ball" feature to the Ask a Question page


Browse and Import local files with inline autocomplete?

Argument completions for user-defined functions


Best way to use Google's hosted jQuery, but fall back to my hosted library on Google fail


how to scroll multiple lines in zsh screen completion

How to repeat a zle widget an arbitrary number of times when the completion menu is open?


WxPython offline installation on Ubuntu 13.04

How to install Python and wxPython offline?


Subset $A_1,..A_m$ of $\{1,2,...n\}$ where $|A_i|$ is even $\forall i$ and $|A_i \cap A_j|$ is odd when $i \neq j$, prove $m \leq n$

A Variation of the even-town odd-town problem


Proving the absolute value of a sequence converges

Proving that $x_n\to L$ implies $|x_n|\to |L|$, and what about the converse?


Could we get the 'Community' user to prompt new users to accept an answer if they've commented 'Thanks'?

Comments saying "thank you" remind OP to accept answer


Accessing files in a directory without x-permission?


PHP: Using interfaces for dependency management

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


Why org.apache.catalina.LifecycleException: Failed to start component

SEVERE: A child container failed during start java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException:


After editing both /.bashrc and /etc/bash.bashrc the path is not in the environment. Why?

What is the purpose of .bashrc and how does it work?


Add a privilege to grant another user the ability to comment on a question


check if numbers from command line are powers of 2


What are the pros and cons of Git submodule and Repo?

What is Repo and Why does Google use it?


How to get node data in JavaScript like inline styles and direction etc

How to copy all the attributes of one element and apply them to another?


Quick folder access on Ubuntu - go to the folder without making a search

Traditional search-as-you-type on newer Nautilus versions


All-in-One Event Calendar: How do you display the event date?

All-in-One Event Calendar: Custom Query - Getting each event Instance


Why does node not evaluate Math.tan(Math.PI/2) to Infinity but Chrome V8 does?


What is the dispel CL of a crafted Pearl of Power?

Is an item's Caster Level the Minimum Required Caster Level?


Display HTML child element when parent element is display:none


How to convert fully connected layer into convolutional layer?

A few clarifications regarding convolutional neural networks


Problem with Duplicate Meta / tag description in Webmaster Tool


How to obtain an expanded polynomial expresion with decreasing order of powers?

How to put terms in lexicographic order?


how to make my java app get global time from some online clock

Java: Get current Date and Time from Server not System clock


JavaScript how to convert object document.createElement to string

How to get the HTML for a DOM element in javascript


Undefined Reference when compiling C++ Linked List

Why can templates only be implemented in the header file?


Matrix is conjugate to its own transpose


problem mounting second harddrive with ubuntu 14.04

14.04 Not Auto-Mounting External Drives Since Upgrading from 12.04


Is hempseed oil good for seasoning cast iron cookware?

What oil is best for seasoning a cast-iron skillet


How do I analyse principal component scores?


How to access object properties containing special characters?


Allow undelete votes on posts deleted by automated clean-up

Regular (non-moderator) users should be able to override deletions by Community user


Prove that a Linear Transformation is Normal, such that $T^2=T$


How does the Ministry use forensics for crimes lacking evidence?

What are the rules and limits of Accio spell?


Python :sort list of dictionaries based on key


How to round to 2 decimals during calculation in Java

How to round a number to n decimal places in Java


Why couldn't I win in this situation with ron?


How is "Kernel" in a Pure Math sense related to "Kernel" in a Statistics sense?

I am confused about the kernel of a matrix and the "kernel"


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


How to identify if an iPhone is in airplane mode?


Java: how to convert a list to an array of a generic type


What application is eoersupzyt.exe a part of?

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


Keep sharp edges when using subdivision surface


How can I manually edit boot.ini in Windows 7

How do I modify the boot menu for Windows 7?


Why can't I sort questions by "votes" or "unanswered" without logging in?

Guest (not logged in) users can only sort questions with specific tag by newest


Can we add two singularities and make a single singularity?


Expression to describe self-inflicted fall from a position of strength

Is there a word analogous to 'shooting yourself in the foot'?


My script in pyqgis run (grass7:I.pca) runs fine but output folder empties

I am running a processing PyQGIS script with grass i.pca but I am not getting results in my output folder


Whitch tool is used to do such a quartile comparison

What's a good tool to create Sankey diagrams?


How to tell which unix shell I am using?

How to determine the current shell I'm working on


How to install Yahoo Messenger on Ubuntu 12.04 LTS?

Can Yahoo! Messenger be used with Ubuntu?


How to check that a string contains only “a-z”, “A-Z” and “0-9” characters


If I travel close to the speed of light and come back, why is everyone else dead, and not me?

Why isn't the symmetric twin paradox a paradox?


Why does .NET recommend EventHandler's arguments to be derived from EventArgs?

Why to not use a custom class instead of inheriting the EventArgs class


How do Jedi (and Sith) practice lightsaber duelling safely?


Do enemy abilities level up at the same time as player abilities in Diablo 3?

How does the automatic monster level adjustment work in Diablo 3?


Calculating the probability of two consecutive heads occuring N times in M coin tosses?

Probability of a run of k successes in a sequence of n Bernoulli trials


Allow non-bumping minor edits, but review them on /review


Can I play my Minecraft worlds from my Switch on Pocket Edition?

How to share worlds between platforms with Minecraft Better Together


How to random every number we assign into a 2D Arrays in java?

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


How do I reset a lost administrative password?


Why the default eth0 interface is down by default on CentOS?


Why can't energy be below the minimum of the potential in a bound state?

Lower bound on energy is potential minimum


Error mounting 16.10 with non-zero exit status 32: mount: Bad message

After a power failure, unable to mount the drive "Get a newer version of e2fsck"


how do I connect an android phone to a Linux wifi?

Why can't my device see an ad-hoc WiFi network?


Bash script not adding variables to session

BASH script to set environment variables not working


What causes the GPS offset/shift in China?

Why does my phone's GPS suffer from "urban canyon" problems in Beijing but not New York?


a problem concerning continuous functions of bounded variation

Can $\{(f(t),g(t)) \mid t\in [a,b]\}$ cover the entire square $[0,1] \times [0,1]$ ?


Dual Boot UEFI Windows 10 removes Grub Bootloader

Windows 8 removes Grub as default boot manager


Why can’t the Doctor’s companions understand babies and horses?

Is it the TARDIS that allows the Doctor to speak baby?


my else if statement isnt working in my tic tac toe program


NullPointerException encountered when running code

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


How to install a current version of TikZ?


Which of These Definitions Is Correct for a Proximal Operator?

Proximal Operator Fixed Point Property for Matrices


ROC and multiROC analysis: how to calculate optimal cutpoint?


Where to place files for later access via code?

Can an iPhone application write out files?


Is there a Objective-C or C math function to constrain a variable between a Min and a Max?

Fastest way to clamp a real (fixed/floating point) value?


Find $n$ such that $x^2 + x + 1$ is a factor of $(x+1)^n - x^n - 1$.


How to find string position within another string in C recursively?


PHP array_search consistently returns first key of array

PHP in_array() / array_search() odd behaviour


ASP.Net MVC3 Model Binding IEnumerable with Editor Template

How to pass IEnumerable list to controller in MVC including checkbox state?


How to randomly shuffle tiny spheres inside a big sphere?

Generating uniform points inside an $m$-dimensional ball


customise bibliography style of multi bibliography


Error when using ] in item title with math mode


How to get the number if items in a generator in python?


Do I need a UK visa (indian citizen with valid US and Schengen visa)?

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


Different sample covariance formulae (conventions)

Intuitive explanation for dividing by $n-1$ when calculating standard deviation?


wordpress excerpt special character (Vietnamese)?


What is the difference between weight and mass?


How to escape braces (curly brackets) in a format string in .NET


Help with moving partitions in dual boot system


Why 'passwd' rejects my current password, which is accepted in my login?

Getting an "Authentication token manipulation" error when trying to change my user password


null pointer exception in unbindDrawables

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


How to automate PDF processing (crop & reduce size) without breaking barcode?


TZInfo::DataSourceNotFound error starting Rails v4.1.0 server on Windows


Fastest way to convert videos (batch or single)?


Removed post gives me -2 reputation. What happened?


Repair Unity panel & dash after compiz settings change

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


Learning roadmap for additive combinatorics


What is the difference between Java awt and JFrame?

What is the difference between Swing and AWT?


Attempting to remove old kernels in /boot led to broken wlan, display resolution on ubuntu 14.04

How to restore a system after accidentally removing all kernels?


Unix replace all lines in a file starting with a string,by a variable

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


Badge for editing a closed question and getting it re-opened

Give a badge to users who improve closed questions


Eigenvalues of an idempotent matrix can be $0$ or $1$

If $A$ is idempotent, then the eigenvalues of $A$ are $0$ or $1$


Should I allow 'allow_url_fopen' in PHP?


Create UBUNTU CD boot to a WINDOWS machine using an OS X system to create the CD

Create a bootable USB on a Mac to install Ubuntu on a PC


Delete windows completely and install ubuntu on SSD


How to overwrite this specific row in a CSV?

Search and replace a line in a file in Python


/var/log wrongly shows as 100% space used

Disk full, du tells different. How to further investigate?


Redirecting output of `man ` to file produces file with tons of `^H` characters on OS X

Purpose of “ASCII text, with overstriking” file format


Prove that $\lim_{n\rightarrow \infty}nx^n = 0$ for $|x| < 1$.

Sequence Limit: $\lim\limits_{n \rightarrow \infty}{n\,x^n}$


Functional equation, $f(x) f(y) = f(x + y) + xy$

Find all functions $ f : \Bbb R \to \Bbb R$ which satisfy $f(x)f(y) = f(x + y) + xy$ for all $x, y ∈ \Bbb R$.


Redirecting standard output causes program to not exit

ProcessStartInfo hanging on "WaitForExit"? Why?


Example of non well-orderable set in ZF.


What is the ontological status of the laws of logic?

How is the nature of logical principles commonly defined in contemporary philosophy?


What is the difference between a spell with a range of "Self" and a spell with a range of "Self (XYZ)"?

Do spells with a range of "Self" target the caster?


datediff is always 1 number less than I need


What is role-playing, and where do I start?


Convert string to long gcc version 4.6.2


In the classical setting of multiple linear regression, what is the multivariate distribution of beta hat?

Distribution of linear combination of OLS regression coefficients


Implementing and Testing iOS data protection


Is It Possible To Make Matchmaking System Without Server?

How can I make a peer-to-peer multiplayer game?


How can I copy a specific F-Curve from active to several objects?

How to copy animation attributes to multiple objects?


GET is getting Invoked instead of DELETE

Are the PUT, DELETE, HEAD, etc methods available in most web browsers?


Understanding blender collection, instancing from Sketchup side of view

Are Groups or Sketchup-like components feasible in Blender?


What is the strange taste feeling that one gets when eating a quince or unripe plum or persimmon?

What is the numb sensation in the mouth caused by some fruits called?


Building new dual boot PC: Does Ubuntu get installed first or second?


What is this four connector-post, square electrical device mounted to my interior wall?

Mysterious cord running from wall. Safe?


Joing the Quant Stack Exchange gives an error


How can I create lists from a list of strings?

Creating dynamically named variables from user input


PHP upload_max_filesize & post_max_size issue

$_POST data returns empty when headers are > POST_MAX_SIZE


Installation of VB6 on Windows 7 / 8 / 10

Has anyone had success with Visual Studio 6 on Windows 7?


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


Error while uploading a new version of an Android app

Google Play Store - Unexpected error (-32600)


"The product key entered does not match any of the Windows image"


Beamer: Enumerate across multiple frames?


CSS overflow-x: visible; and overflow-y: hidden; causing scrollbar issue


Possible to do a MySQL foreign key to one of two possible tables?


Any field automorphism of $p$-adics is continuous?

An automorphism of the field of $p$-adic numbers


Why is $X^4+1$ reducible over $\mathbb F_p$ with $p \geq 3,$ prime

Irreducible polynomial which is reducible modulo every prime


Read DateTime value in correct format with JQuery (passed from controller to ajax)


Why doesn't the Moon fall onto the Earth?


What is this socket/port/connector on my laptop?

What's this hole with a lock symbol on the back of my monitor?


does logitech C922 Pro compatible with ubuntu 16.04?


Reference to the search bar position needs to be updated

Update help center article on search to reflect the new position of the search box


Amazing Follower Tweaks and Meeko: No option to leave service!


Good resource to learn geometric interpretations of matrices


How to manage spacing in a document so there are no large gaps

How to influence the position of float environments like figure and table in LaTeX?


Can't find error in my SQL using named parameters

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


How to make a non serializable subclass?

Making Child classes as Non Serializable in java


PuTTY Alternative with keyboard copy/paste

PuTTY how to select text and copy text using keyboard ONLY


Are these two definitions of finiteness equivalent?

Why is this true? A set is Dedekind infinite if and only if equipotent to the union with the set containing itself


How to search the entire hard drive for files modified on a particular date?

How to search for files modified after a particular time?


How to avoid null pointer exception in java

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


Whenever I try to run 1.7.10 in minecraft the game crashes

Minecraft crashes with "java.lang.IndexOutOfBoundsException" when loading on an older version


What is the practical Length of photons, in vacuum for example


add a space in \addcontentsline command for list of equations

Fix formatting errors of page number > 99 in table of contents?


similar matrices have the same eigenvalues

Similar matrices have the same eigenvalues with the same geometric multiplicity


How to have only 1 space between a word and a counter

What is the use of percent signs (%) at the end of lines? (Why is my macro creating extra space?)


Are repository lists secure? Is there an HTTPS version?


How can I list all of my steam games I've ever downloaded in my library?

Bought game on Steam, but it's not in my Library


Parable for an impossible idea or business plan

Is there a word or phrase for something that one might wish exists, but most certainly doesn't?


How to be properly cited with a two-word last name


Database query data to string in SQL Server 2008

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


Thesis adviser is demanding i hand over all my work

How to deal with supervisor who required me to share all my work with him?


List of related tags on 'Tag top users' page should not include the tag itself


Compute $\lim\limits_{n \to \infty} {\frac{1 \cdot 3 \cdot 5 \cdots(2n - 1)}{2 \cdot 4 \cdot 6 \cdots (2n)}}$


Use InterpolatingFunction in differential equations involving derivatives and integrals of the InterpolatingFunction

Derivative of function solved from NDSolve can't be plotted


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


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


Php SQL doesn't work. but in phpmyadmin SQL tab it works in GoDaddy servers


Create my own high-gluten flour by mixing vital wheat gluten and bread/AP flour?


How to find file without knowing the name of it


JavaScript - inheriting arrays with B.prototype=new A()

Why are my JavaScript object properties being overwritten by other instances?


jQuery click function not working with setInterval

Event binding on dynamically created elements?


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


Non-existence of bijective, continuous function from $(0,1)$ to $[0,1]$

Continuous bijection from $(0,1)$ to $[0,1]$


Why are infinite cardinals limit ordinals?


How do I show that the set of natural number N has the same size as NxN?

Cartesian Product of Two Countable Sets is Countable


Existence of a power of 3 which begins with 2019


I need to create an array with numbers given by the user, it works but keeps giving me 0

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


How do I solve this limit: $\lim _{x \to 0} \left(\frac{ \sin x}{x}\right)^{1/x}$?


Can't log in after a shutdown apparently deleted my user account


How do I compare two string variables in an 'if' statement in Bash?


Python 3.8: Iterate over 1st and 2nd element, then 2nd and 3rd and so on

What is the most "pythonic" way to iterate over a list in chunks?


Best way to disassociate my name and/or delete my profile?


How do I stop automatic updates in Windows 10 home?

Stopping all automatic updates Windows 10


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


Render Border constraining model in all viewport shading modes except Rendered

Gray cone obscuring/clipping the 3D Viewport


How to I extract a list of items between curly brackets {} in a string?


Diminishing returns / non-linear reputation from “great” answers


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


filter journalctl output, preserve color

How to trick a command into thinking its output is going to a terminal


How can I expand a terminal using the command line?

How to maximize a window programmably in X Window?


Can't Select All Files on Ubuntu 20.04 Desktop and other anomalies, need your help ASAP

Basic desktop actions are not available on Ubuntu 20.04


Lost vlc after a partial upgrade - cannot reinstall due to unmet dependencies

Unable to correct problems, you have held broken packages


jquery trigger doesn't recognize change of class

Event binding on dynamically created elements?


What's the difference between the following php packages?


Isomorphism between two versions of $GF(2^3)$

Finding an isomorphism between these two finite fields


Is there a manifold which requires infinitely many charts to cover it?

Surface where number of coordinate charts in atlas has to be infinite


Is it necessary to use commas in lists before the conjunction?


subfolder or subdomain - Which one is the best?


How do I monitor system parameters like memory, CPU and disks on windows systems via SNMP?


Used Named Credentials to Call Web Service in OTHER Domain

Used Named Credentials to Call another Web Service


Android null pointer exception on view.getId()

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


How to install GNOME 3.10 in Ubuntu 13.10?

How do I install and use the latest version of GNOME?


Is it possible to make Blender a Y-up world?


SQLite: Update multiple columns from another table

Update table values from another table with the same user name


Unable to write a txt file to phone memory on android

Android - Read Only File System IOException


Use Green's Theorem to compute the value of the line integral $\int_{\gamma}ydx + x^2dy$

Calculate integral $\int_\gamma y\,dx + x^2\,dy$ with Green's Theorem


Can I use someone else's credit card for flight booking?

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


How do I restore the default repositories?


Is it possible to run more than one command in a someapp.desktop file?

Desktop entry, or other convinent but safe way to exec multiple statements,


Cannot install Ubuntu -- Wubi does not currently support EFI

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


Feeding the vampires, should this have been answered?

Stack Overflow technology makes me write bad answers


Should I mention my previous Italian Schengen visa refusal in a new UK visa application?

Should I mention my Canadian visa refusal in my UK visa application?


Is it possible to use `\substack` with `\textnormal` in an `align*` environment?


In Python, how do I execute a .exe file, and stop it after n seconds?


Ubuntu 16.04 update problem about third party repositories


How to install a list of packages using apt-get?


How can I mimick the listing caption style for my custom "Listing (cont.)" caption?


How to use files selected in nautilus as arguments to a script

Script to merge Video and subs then delete the existing files (non recursive)


How do I attract attention to a new answer to an old question?

Get attention to a new answer to an old question


How to delete all files that are returned by locate


Why should we pass args as args and not "*args"?

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


How to apply lossy compression on a file/video using the command-line?


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


How to view huge text file via Vi or gedit

Text editor to edit large (4.3 GB) plain text file


What is the difference between 'sudo' and 'su -c'


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


How to install anydesk in Ubuntu terminal 14.04 ? Os type 32 bit

How do I install a .deb file via the command line?


Can I see a list of gyms I left a pokemon at?


Product of partial derivatives of polar coordinates (Demonstration of Normal Density Function)

Rigorous proof that $dx dy=r\ dr\ d\theta$


Is "1940's" and "1950's" correct in the USA?

Is an apostrophe with a decade (e.g. 1920’s) generally considered “incorrect”?


Limit of $\sum_{r=0}^{n}\frac{{n\choose r}}{n^r\cdot(r+3)}$ as $n\rightarrow\infty$

Infinite series with the binomial coefficient


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


How does the space shuttle move in a vacuum?

What is a rocket engine thrusting against in space?


for loop find how to recursive directories and whitespaces

Recursive bash script to collect information about each file in a directory structure


Let z1=x1+iy1 and z2=x2+iy2 be two complex numbers. The dot product of z1 and z2 is defined by =x1x2+y1y2

Let $z_1 = x_1 +iy_1 $ and $z_2 = x_2 +iy_2$ be two complex numbers. The dot product of $z_1$ and $z_2$ is defined by $ = x_1x_2+y_1y_2$


How to obtain $||x|-|y||\le|x-y|$ from $|x|-|y|\le |x-y|$?


JAVA SQL - No suitable driver found for jdbc:derby

SQLException: No suitable driver found for jdbc:derby://localhost:1527


How to access screen display’s DPI settings via javascript?

Detecting the system DPI/PPI from JS/CSS?


Broadcom BCM4324 firmware failed to load


How to convert text into numbers for chmod?

How to get permission number by string : -rw-r--r--


What does "deleted" / "undeleted" mean in a question about DNS on Web Applications? Is this related to a migration rejection?

Why was a moved question deleted? Moderator to whom deletion is attributed claims they didn't do it


Synced dropbox files on corrupt profile (Windows 7)

How can I visualize the file system usage on Windows?


What are some tools available for drawing good figures for computer science research papers and presentations

Software to draw illustrative figures in papers


Understanding the -exec option of `find`


After the training phase, is it better to run neural networks on a GPU or CPU?


Do journals allow authors to bring their own reviewers


I can't post a "+1 this is awesome" comment on an awesome post


Can I run Ubuntu 18.04 on the undermentioned specs?

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


How to get the elements in a set in C++?


NullPointerException - check null on class


Terminal says 'Read-only file system' after trying to force RGB mode for my display

Can I mount the root (system) filesystem as writable in Big Sur?


PHP function to build query string from array


"Will + be + verb -ing)" vs "Will + verb" ?


Virtualbox 4.3 causing error on running any guest in 16.10


Jackson: how to prevent field serialization

Only using @JsonIgnore during serialization, but not deserialization


The comparison of the norms of $l^p$ and $l^q$

How do you show monotonicity of the $\ell^p$ norms?


How are the weather and vegetation in Kyoto in November-December?

Is there a website with historical temperatures and weather data?


Show that the sequence $a_{n+1}=\sqrt{2+a_n}$ is convergent.

Evaluating the limit of a sequence given by recurrence relation $a_1=\sqrt2$, $a_{n+1}=\sqrt{2+a_n}$. Is my solution correct?


Can I leave the UK with a non-UK passport

Can you leave the UK on a non-UK passport if you're eligible for one?


In Wild Shape for druid5/barbarian1, how does unarmored defense work?

While using Wild Shape, do I use Unarmored Defense or the creature's Armor Class?


directlua : misinterpretation of % as latex comments

percent signs in luacode* environment (LuaLaTeX)


How to stop preview from making smoothed lines?

Disable shape detection in Preview's annotation tools


prove the following inequality using am gm hm or weirstrass etc

Show this inequality $\frac{n}{a_1 - a_0} + \frac{n - 1}{a_2 - a_1} + \cdots + \frac{1}{a_n - a_{n-1}} \ge \sum_{k=1}^n \frac{k^2}{a_k}$


Why do we use microwaves in microwave oven?


If $x+y+z \geq xyz$ Prove that $x^2 + y^2 + z^2 \geq xyz$.


i want to compare String array with String array but i not successful


Make listing look normal (ttfamily and character spacing)

Why is the space between words in my source code listing so big?


Getting Null pointer Exception while running Mockito test case

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


How do I install a .tar.gz (or .tar.bz2) file?


Is it possible to recover data from a file-system that has been converted from NTFS to ext4?

Recovering broken or deleted NTFS partitions


if(!isset($_POST["user"]) ignored and returns Undefined Index


How to Convert content in Web browser control to pdf file in windows forms using vb.net


How can a script add a little icon overlay on files' icons


Natbib-Multibib problem with prefix labels


How does Windows decide what parser to invoke for a script?

Where does Windows 10 store file association?


How does google maps know that I've taken pictures?


Is the first white walker also the Night King?

Is the origin of the Night King in Game of Thrones consistent with the books?


does Python have a list spliter like Tcl's {*}?

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


Pre isntalled Ubuntu for Dell Vostro 3580

(Re?)Install Ubuntu on a Dell laptop that had Ubuntu preinstalled


Using object instance from another method


Hierarchical sample MySQL or cluster sample

Can I concatenate multiple MySQL rows into one field?


Get PHP return (server) with static HTML (local)


Should Voldemort have been the true owner of the elder wand?

Why didn't mastery of the Elder Wand move on from Harry?


JavaScript function with 'undefined' parameter

What advantages does using (function(window, document, undefined) { ... })(window, document) confer?


Open files limit does not work as before in OSX Yosemite

Is there a fix for the "Too many open files in system" error on OS X 10.7.1?


Why doesn’t the equation "break" when we put a value $x$ while solving partial fractions?


Suggest some freeware GUI Automation Testing tools for Windows Desktop Applications

What are some good open source UI Testing tools for testing Windows GUI?


Accessing underlying object of SWbemObject instance


Prove that $\{f_n\cdot g\}\rightarrow f\cdot g$ in measure.

$f_n \rightarrow f$ in measure and $g$ be measurable and finite a.e. Prove that $f_ng \rightarrow fg$ in measure


When should I use 'sounds like, and when 'sounds as if'?


Getting java.net.SocketException: Connection reset

What's causing my java.net.SocketException: Connection reset?


Allow user to select text from UILabel to copy

Show iPhone cut copy paste menu on UILabel


Completely unable to acess admin password due to reset

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


why i get error "Exception in thread "main" java.util.InputMismatchException"


Graph theory 27 cube cheese and mouse problem

A $3 \times 3 \times 3$ cube has no Hamiltonian path starting at the corner.


Is $\mathbb{Q}\times \mathbb{Q}$ a field?

Explain why $\mathbb{Z \times Z}$ and $\mathbb{R \times R}$ is not a field


Why is spacetime curved by mass but not charge?


Why should triangle meshes be avoided for character animation?


How to send bytes over a socket in python?

How can I send anything other than strings through Python sock.send()


Layout issue in Feed Activity of Stack Exchange Android app

SE Android app for tablet has bad formatting on feed


Why didn't Dumbledore put the same spell on the books of the library in restricted area like the one on the marauders map?

Why wasn't Restricted Section of the library better protected?


Tempest Cleric: when does Wrath of the Storm trigger?

Do lycanthropes need to do damage in order to inflict the curse?


Please add the ability to filter [Closed] questions out of my results


Was the birth of Daenerys' dragons due to these previous events or are they unrelated?

Why are there no other dragons in ASOIAF?


Entering and leaving the UK on the day of visa expiry


Run Full Ubuntu Installation from UEFI Bootable USB stick

How do I install Ubuntu to a USB key? (without using Startup Disk Creator)


Orthographic view with something like shift/transformation?

How can I get a cabinet projection camera?


Coefficients of Color Potential in Quarks

Is it a coincidence that quarks have exactly -1/3 or 2/3 the electron's charge?


How do I install a .deb file via the command line?


Is it acceptable to omit "I" when it's the subject?


finding a base and dimension of a 3 x 3 matrix that represents all skew-symmetric matrices above the complex field


Apply a clustering algorithm on categorical data with features of multiple values

K-Means clustering for mixed numeric and categorical data


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


How do I change 'displaystyle' manually?

Show inline math as if it were display math (and vice versa)


Two different ways of solving $\int \frac{e^x - e^{-x}}{e^x + e^{-x} } dx$, yield different results. What's the mistake?


Is $\exists x(x=a)$ a valid formula in first order logic with equality?


windows 10 not detecting other disk partions


Combine n lists of length y into y lists of length n

Transpose/Unzip Function (inverse of zip)?


Search crashes when random characters '%^$^&%'?


How to show proof of income for a retired person on a UK Visit Visa Application?

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


Intuitve examples of importance sampling

Intuitive examples of importance sampling


Unable to mount Windows (NTFS) filesystem due to hibernation


If the limit of a function exists as $x$ tends do infinity, must its derivative also exist?

If a function has a finite limit at infinity, does that imply its derivative goes to zero?


Pasted text is reduced in size when copied from ask question description/body


Accessing and controlling iPhone via MacBook

Control and see iPhone from Mac with broken iPhone screen


The repository jessie-backports Release does no longer have a Release file

Failed to fetch jessie backports repository


What should I be aware of when installing Linux on a Mac?


Can you Clone a creature with protection or shroud?

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


Connectedness of points with both rational or irrational coordinates in the plane?


Bash - how to run a command after the previous finished?


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


Improving chances of entering a Theoretical Physics program in the US

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


Stepwise Variable selection with Ordinal Logistic Regression

Ordinal regression with categorical covariates and predictors


Can someone visit the Schengen Area(Germany) with a "leave to enter" residence permit for the UK?

Does the spouse of British national with UK permanent residence need a Schengen visa to travel to France?


How to install eclipse c++ In Ubuntu 18.04

What is a command to compile and run C++ programs?


List of lists changes reflected across sublists unexpectedly


Two players alternate flipping a coin until the result is head. How to derive that the probability for the first player to win is $2/3$?

Two players alternately flip a coin; what is the probability of winning by getting a head?


jQuery doesn't work on dynamically loaded html

How do I attach events to dynamic HTML elements with jQuery?


Why don’t “snow” and “plow” — well, or “plough” — rhyme?


Let $f:\mathbb R \rightarrow \mathbb R$ continuous function such that $f(x+y)=f(x)+f(y)$. Then there exist a real $r$ such that $f(x) = r x$.

I need to find all functions $f:\mathbb R \rightarrow \mathbb R$ which are continuous and satisfy $f(x+y)=f(x)+f(y)$


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


How to control start and stop of fluid simulation


Is it possible to complete "Pieces of the Past" after killing everyone in Dawnstar?


Mysql - delete from multiple tables with one query

How to delete from multiple tables in MySQL?


Passport issues september 2006 - has 'camera' symbol is it valid?

I have a British passport from 2006 September and going to Florida. The passport in has camera symbol. Is it valid?


Could anyone give me some recommendations for an undergraduate textbook in combinatorics?

Undergrad-level combinatorics texts easier than Stanley's Enumerative Combinatorics?


Prove that $\forall k$ and for any $g \in G$, the sets $A = \{a \in G : a^k = g\}$, $B = \{b \in H : b ^k = f(g)\}$ have the same number of elements.

How do we show there are the same number of elements in each of the sets?


What happens when more than one creature dies causing a trigger


how to fix broken packages on ubuntu 14.04

Unable to correct problems, you have held broken packages


How to convert a Sqlite database to Mysql

Quick easy way to migrate SQLite3 to MySQL?


How to disable the "unlock your keyring" popup?


How should I set up and execute air battles in my session to avoid easy encounters?


Can I add multiple xbox live gold cards to my account?

Does xbox live gold membership stack when I purchase a new one?


How to generate unique id in javascript?


What tags do developers look through on localized meta sites?

What is Stack Exchange's workflow for handling bugs and feature requests?


How to mount filter to lens without thread?

How do I find the right size of filters for a lens?


Process management and high technology weapon. Novel name and author?


How to save a list (a) in another list (b) and change a while it stays in the same in b?

List of lists changes reflected across sublists unexpectedly


Spanning Trees: Prove if $e_1$ is an edge in $X$ that isn't in $Y$, then there exists an edge ...


How to create enemy "flash-light" for 2D game?

Can I achieve a torchlight effect (lighter area around a light source) in a 2D game?


A topological space $X$ which can be $drawn$, whose fundamental group is $S_3$

A topological space $X$ who can be $drawn$, whose fundamental group is $S_3$


If gravity is simply a curvature of space, why does it accelerate objects?

How exactly does curved space-time describe the force of gravity?


How do I encode an image to be sent as a message?

UIImagePNGRepresentation slow or am I doing something wrong?


What happened to this user's rep, badges, and name?


How to render a equirectangular non distorted panorama in Blender cycles?

Is it possible to render a panorama in perspectives other than full 360°x180°?


customize the file button for image upload


What should I do about `javac` command not running?

update-java-alternatives vs update-alternatives --config java


Java: Equivalent of Python's range(int, int)?


Could there be equivalence between anisotropic space and the presence of a field?

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


"Fudging" dice rolls - how important is it?


Unknown column in 'where clause' in mysql


How to Change HDD Spin-Down Time in Xubuntu


PropertyValueFactory / setCellValueFactory JavaFX

Javafx PropertyValueFactory not populating Tableview


What's the difference between white words black background & black words white background in a book


How to fix "404 Not Found" crawl errors reported by Google in Search Console


How to get a working and complete PostgreSQL DB backup and test


Does an electromagnetic wave necessarily contain many photons?

What is the relation between electromagnetic wave and photon?


Floating point arithmetic not producing exact results


Pass a linux variable into oracle script


Do they require Schengen transit visa at Istanbul airport to give me my boarding pass?

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


Searching for words in a line of a txt file

How to test multiple variables against a single value?


PDE Evans, 1st edition, Chapter 5, Problem 14

A typical $L^p$ function does not have a well-defined trace on the boundary


Why does this inline-block element have content that is not vertically aligned


Given positive integers $ x , y$ and that $3x^2 + x = 4y^2 +y$ Prove that $x-y$ is a perfect square


$\sum \frac{1}{(n(x+\pi))^2}, \;x\in(-\pi,\pi)$, does not converge uniformly.

Check the uniform convergence of series of functions


How am I able to take a screenshot of the dev tool in the current browser?

Is there a possible way to create screenshots of the whole screen out of a firefox extension?


How to call an object's method by name in Python?


Javascript return unexpected value when calculating numbers


Error while installing 32 bit Library on 64 bit Ubuntu

How do I resolve unmet dependencies after adding a PPA?


Why does a private attribute of python class allow me to assign a value?

Does Python have “private” variables in classes?


Get all properties of a model that are not a number

Using .Net, how can I determine if a type is a Numeric ValueType?


The abstract environment changes the \linewidth for the whole document


I added 500MB vdisk and it's showing 524MB at fdisk -l, Why?

What is the difference between a kibibyte, a kilobit, and a kilobyte?


Winter Bash Network-Wide Leaderboard shows wrong membership length

Why is my membership length only "Six months"?


Android MediaPlayer finalized without being released

Garbage Collection causes : MediaPlayer finalized without being released


Are there any security suites available for Ubuntu?


Dropbox showing all black thumbnails for files/folders?

Why are Icon Overlays (from 3rdParty-Apps) not showing up in the Win8 Explorer?


Cutting output from sudo in a bash script

Is it possible to get the output of only sudo command?


My tittle on SERP do not exact match with my tittle tag

Title tag different from title appearing in Google?


Homotopically equivalence of two simple connected covering spaces


Android app development sending emails with multiple strings

How do I concatenate two strings in Java?


Prove that $\sum_{n=1}^{\infty}\ a_n^2$ is convergent if $\sum_{n=1}^{\infty}\ a_n$ is absolutely convergent

If $\sum_{n=1}^{\infty} a_n$ is absolutely convergent, then $\sum_{n=1}^{\infty} (a_n)^2$ is convergent


Windows 8: connected to the Wi-fi but not loading any page

The Wifi is working fine but no internet connection in Windows 8


err: unable to locate package package:i386

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


Issue in installing Ubuntu with Windows 10

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


How to discover the $F = m\cdot a$ equation from scratch?


Error: Attempt to invoke virtual method on a null object reference

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


Finding a set which has non-full outer measure on every interval, and so does its complement.

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


apt-get not updating and almost everything i try to install have issues with dependencies

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


Is it possible to write the Coulomb Hamiltonian in terms of creation and annihilation operators similar to harmonic oscillator?

Creation and annihilation operators in the hydrogen atom


Assigning next pointer in a structure definition = NULL, throws error

Why can't we initialize members inside a structure?


How to make this not an infinite loop? I can't figure out what I'm doing wrong


Keeping Text Size the Same Throughout Entire Notebook File


How can I make a perfect sweep with bevel object in Bezier curve(3d) (Pipe)


SELECT DISTINCT on multiple columns along with other columns

How do I (or can I) SELECT DISTINCT on multiple columns?


Did English ever have a formal version of "you"?


Replacement using /. and two parts, one for variables and one for values

replace items in a list with items in a another list


UNABLE_TO_LOCK_ROW, unable to obtain exclusive access to this record:

Can anybody explain the UNABLE_TO_LOCK_ROW error?


Why is Windows 10 randomly resuming from hibernate?

Windows 10 PCs start in the middle of the night


Airside transit visa in Heathrow airport

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


How can I develop for iPhone using a Windows development machine?


Comment flag box stuck in top left, can't reach any option


Recommendations for small hosting solution with lots of support

How to find web hosting that meets my requirements?


How can I stop my text messages going into my email on my Galaxy S7

Turn off text message (SMS) sync to Exchange email account


How did Hiruzen Sarutobi summon Enma when he was a reanimation?


If light rays obey to the wave equation, why can they be thought as straight lines?


Pass a PHP string to a JavaScript variable (and escape newlines)


Under what circumstances does $|z_1 + z_2| = |z_1| + |z_2|$?

If $z,w\in \mathbb{C}^{\times}$, then $|z+w|=|z|+|w|$ iff $w=tz$ for some $t\gt 0$


How do I create delegates in Objective-C?


Why is .setImageBitmap() not assigning an image to an ImageView object?

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


error: non-static method LetConnect() cannot be referenced from a static context Connection conn= LetConnect();

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


How to export UVMap to paint with external tools


Word or phrase for "using excessive amount of technology to solve a low-tech task"


MSVC++ Linker error which I do not quite understand

Why can templates only be implemented in the header file?


QGIS, Multiple lines and wrap on character?


$h(x)={f(x)\over x}$ is decreasing or increasing or both over $[0,\infty)$

A secant inequality for convex functions


Will relative velocity of light exceed $c$?

Special Relativity - two beams of light in opposite direction


Automatic following of answers to your question

Are comments on answers to my question supposed to show up in my recent activity


Gravity and Magnetism... One and the same?

Is gravity just electromagnetic attraction?


Deducing Cayley's theorem from the Yoneda lemma using Wikipedia's recipe

Yoneda-Lemma as generalization of Cayley`s theorem?


Prove that $A$ is a compact subset of $M_3(\Bbb R) \cong \Bbb R^9$.

Whether the set $A$ is a compact subset of $M_3(\Bbb R)$.


cannot store Firebase parsed data into Realm Database

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


Custom .bst file : Does not process entries of type "@book"

Debugging a custom-bib bst file that crashes on book items


downloading pygame dependencies with homebrew; config.py file doesn't recognize them


Why is a 103Z capacitor use with N20 DC motor?

Why do we use capacitors in parallel with DC motors?


Why is the derivative of a sine function a cosine function?

Intuitive understanding of the derivatives of $\sin x$ and $\cos x$


Where does half of the work done in charging a capacitor is dissipated?

What happens to half of the energy in a circuit with a capacitor?


I want to use Ruby built from source, and also use Gvim

How do I get an application to appear as a choice in update-alternatives?


List of user icons on logon screen has disappeared

Windows 7 login screen show only last user and "Other User" icons after profile problem


Standalone error using Python 3: layer.isValid is False

PyQGIS QgsVectorLayer() Loading Invalid Layer in Standalone Python Script?


Root drive is running out of disk space. How can I free up space?


How do I setup the date picker popup for date fields in a view?

How to configure an exposed filter in a view using a date picker?


Words like 'disgruntled' with no positive counterpart

Any other words that use “dis-” as an amplifying prefix?


Can "This edit will be visible only to you until it is peer reviewed" link you to the review page?

Can "Thanks for your edit!" banner be linkified with the Suggested Edit Link?


Can you cast a bonus-action-spell as a bonus action AFTER casting a action-spell/cantrip as an action?

Does order matter when casting a cantrip with a casting time of a bonus action and another spell?


Run a script on existing database from sql file in c#

Execute a large SQL script (with GO commands)


$M$ is metric space. $A\subset M, F$ is closed in $M$, prove $A\cap F$ is closed in $A$

Show that $F\subset Y$ is closed in $Y$ iff $F=Y\;\cap\;H$ where $H\subset X$ is closed in $X$.


Why do I want to say "the iPhone" instead of just "iPhone"?


Give an example of a bounded, non-convergent real sequence $(a_n)$ s.t. $a_n-a_{n-1}\rightarrow 0$


How can I prevent my son building up static on his trampoline?

How to avoid getting shocked by static electricity?


call python script and store return value in perl

How can I get the command-line output of a DOS tool using Perl?


GitHub and GitLab running in one directory


Is there a C# type for representing an integer Range?


how can insert accents and "ñ" with mysql


Remove parentheses at year biblatex with author year

How to (properly) remove the parentheses around the year in authoryear style? (v3)


Flair: 500 Internal Server Error - http://stackexchange.com/error?aspxerrorpath=/users/flair/378431.png


Are PHP Variables passed by value or by reference?


Is an increasing union of subspaces a subspace?


Command in .bash_profile returns outdated result

date command not resolving properly in bash alias


If the absolute value of a function is continuous, is the function continuous?


How can light speed be measured relatively?

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


Will a bounty be automatically awarded to an answer that was posted before the bounty, if it has been edited?


Filter data.frame rows by a logical condition


How to Select UTF8(Persian) Characters From MySQL With Using PHP?


why the Exceptions was introduced in the java

Which, and why, do you prefer Exceptions or Return codes?


Expose  element's options with JavaScript click()

Is it possible to use JS to open an HTML select to show its option list?


How do I return the response from an asynchronous call?


Extracting the coordinate of a particular point of interest from a ListPlot


How to display multiple 2D plots in 3D format with legends?


X total posts awaiting review displaying incorrect number?

Notification for reviews shows way too many


Sample size and confidence level to verify existing data

How to calculate a sample size for validating correct/incorrectness of records in a data table?


how to get needed parameters of a php method?

PHP Reflection - Get Method Parameter Type As String


Disable gtk-application-prefer-dark-theme for single application

GTK - Enable/set dark theme on a per-application basis


Given a subgroup $H $, find a normal subgroup of $G$ with index less than or equal to $n!$

For $G$ group and $H$ subgroup of finite index, prove that $N \subset H$ normal subgroup of $G$ of finite index exists


What is the intuition behind exchangeable samples under the null hypothesis?


How to disable desktop Chrome inline auto-complete?

How to turn off chrome's annoying auto-fill?


How to make a circular array using offset object as center?


Getting the ID of the element that fired an event


Creating multiple pdf reports from single Rnw file

Can Sweave produce many pdfs automatically?


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


why there is no AND operator in regular expression?

Regular Expressions: Is there an AND operator?


Do I need a transit visa in amsterdam on the way to India?

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


How to find all flights scheduled between a pair of cities?

Resource to find regular flights between given cities


My professor who doesn't let me use my phone to read the textbook online in while I'm in class. What should I do?

How to handle lecturer who doesn't let me use my phone?


"I only teach you" vs. "I teach only you" vs. "I teach you only"


When using the Template variant rule from Xanathar's Guide to Everything, do 5 foot wide Lines actually affect a 10 foot wide row of grid squares?

When using a battlemap, can a lightning bolt be directed between squares to affect both?


Convergent or divergent $\sum_{n=1}^{\infty} \frac{e^nn!}{n^n}$?

Finding the convergence interval of $\sum_{n=0}^\infty\frac{n!x^n}{n^n}$.


How do I free up space to install software updates?

Can't upgrade due to low disk space on /boot


How can I attack with two weapons on the same turn?


Can "it's" be omitted in the following case?

"Looking forward to hearing from you" - May I omit "I am" at the beginning?


Why does $\log(n!)$ and $\log(n^n)$ have the same big-O complexity?


Why didn't Fuhrer Bradley just imprison the Elrics and members of military plotting against him?

Why did King Bradley allow the Elric brothers, Hughes, and Armstrong to continue investigating the military?


Photon speed going from $0$ to $c$ initially?


What's wrong with my Python code? An example in Head First Python

Derived class not running code in _init_


Greatest value of the binomial coefficient.

How do you prove ${n \choose k}$ is maximum when $k$ is $ \lceil \tfrac n2 \rceil$ or $ \lfloor \tfrac n2\rfloor $?


The Messages app doesn't recognise numbers that are saved in Contacts app

Contacts in Mavericks Messages display phone numbers instead of contact names


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


Built-in microphone stops working when headphones are plugged in

Why can't I use my internal microphone at the same time as my headphones?


Proof about floor function: $\lfloor x\rfloor+\lfloor x + \frac{1}{n} \rfloor+\cdots + \lfloor x + \frac{(n-1)}{n} \rfloor = \lfloor nx \rfloor$

Proving $\sum\limits_{k=0}^{n-1} \Bigl[x + \frac{k}{n}\Bigr] = [nx]$


Is there a reason to use arithmetic expression n*(1/k) over n/k?

Is Multiplying the Inverse Better or Worse?


Iterating over a string to return digits is only retrieving first digit?


What packages will let me use Cyrillic characters in math mode?


At 12 o'clock, I have ... "an hour's break" or "an hour break" or "a one-hour break"?


How to fix the consequences of wrong reset?


in which subset of $R^2$ the series is convergent?


FN key seems stuck on MacBook Air. Can't use function keys as normal


Sort arrays of primitive types in descending order


Nonabelian semidirect products of order $pq$?


C conditional operator ('?') with empty second parameter

?: ternary conditional operator behaviour when leaving one expression empty


How to get JS variable to retain value after page refresh?


A private list variable is inadvertently shared between instance objects


Plurals of acronyms, letters, numbers — use an apostrophe or not?


WM_KEYDOWN - capturing keypress causing event


Do I, a Ghana citizen, need a transit visa for transferring between flights at Dubai International Airport?

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


sql server 2012: function get position of given string and then get string of given position

How do I split a string so I can access item x?


Make sure Excel application is quit regardless of what happens

How do I properly clean up Excel interop objects?


Checking whether a GeoServer service is WMS or WMTS?

With a WMS server Url, how to know it is a Web map service or a Web map tile service?


NullPointerException due to 'void dalvik.system.CloseGuard.close()' in lollipop

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


The memory usage of SQL Server keeps growing

Why is SQL Server consuming more server memory?


"Stay in touch in case you will" — possible?


Can the character limit error boxes tell us how many characters we are over the limit?

Show the title character limit when writing a title


Prove that if $\gcd( a, b ) = 1$ then $\gcd( ac, b ) = \gcd( c, b ) $


Merge partitions after windows installation failure

The startup disk cannot be partitioned or restored to a single partition. Windows 10 and Mojave


Adding a glossary entry for an unreferenced term


Volume Scatter in Cycles Turning world black

Why doesn't an Environment texture appear when the world has a Volume Scatter shader?


Jenkins Maven compilation fails due to JDK features unsupported?

Maven - use -source 5 or higher to enable... while building the project


Show that the set has a linearly independent subset which is a basis for V


What is this schematic symbol with intersecting triangles?

What does this triangle/diamond schematic symbol represent?


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


How do I get more control over table headings when using TableForm?


What happens in a regression setting if you code n dummy variables for a categorical variable with n categories?

Qualitative variable coding in regression leads to "singularities"


General expression for a single coefficient $\hat{\beta_1}$ in a multiple linear regression?

Does Frisch–Waugh–Lovell theorem change the covariance matrix on regression coefficients?


How can I go about getting a locked question unlocked?


How to Hide sections of InfoPath form based on Group membership


Why Is the landscape not toxic in The Walking Dead?

The Walking Dead: wouldn't all nuclear reactors be down?


Let $f$ be a differentiable function such that it satisfies $\int_1^{xy} f(t)dt=x\int_1^{y} f(t)dt+y\int_1^{x} f(t)dt$ then find $f(e)$

Computing $f(x)$ if $\int_1^{xy} f(t) dt = y \int_1^x f(t) dt + x\int_1^y f(t) dt$ and $f(1) = 3$


The sum of array problem. there is a difference in the answers of that of the output and the answer of calc


Getting null point exception on invoking location in Android N.

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


"Germany's" or "German" Ministry of Defence?

Is it ok to omit a possessive apostrophe before a capitalized appellation (President, country name, VP, PM)?


how to install drivers for wifi adaptor Ralink 148f:7601 on ubuntu?


Disable autostart on boot and restrict background execution

How can I prevent applications from running on startup?


What is the best regular expression to check if a string is a valid URL?


Relation between Hermite polynomials and Brownian motion (on martingale property)


How does Captain Jack Harkness become the Face of Boe?

Is there anything beyond subtle hints that Jack becomes the Face of Boe?


Likelihood that I can install Ubuntu on a given desktop


Center figure that is wider than \textwidth


Problems installing Ubuntu alongside Windows 7

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


PS4 Controller not connecting to PS4 and won't reset?


Separated icons in the windows task bar for the same software

Any way to "ungroup" taskbar items in Windows?


How can I get the classname from a static call in an extended PHP class?


how to delete element from list in jquery?

Event binding on dynamically created elements?


16' Penske box truck - do I need to stop a scale?

Vehicles required/allowed in weigh stations on US interstates


I installed an alpha or beta, am I up to date with the final release if I keep upgrading?


Reusing marinade JUST used for raw chicken

Can you reuse marinade used with raw chicken?


Where is the unofficial toro (most recent) version?

What hardware does Ubuntu Touch support?


How can i give a video out as web camera device?


How to fix "The system is running in low-graphics mode" error?


let $a,b,c \in \mathbb{R^+} \ \ a+b+c =1$ Then prove that : $a^3+b^3+c^3 \geq \dfrac{1}{3}(a^2+b^2+c^2)$


How to diagnose a search engine ranking drop?


Is there a way to change a global variable in a function (like as a counter) and then have it keep that value for use in another function?


Java arrays printing out weird numbers and text


Ubuntu 14.04 “could not find required OpenGL entry point 'glGetError'!"

Ubuntu 13.04 "could not find required OpenGL entry point 'glGetError'!"


Is there a way to have printf reference only one instance of a variable for the same conversion character repeated x amount of times?

How can I print the same variable into a string several times?


apache redirect only root slash homepage

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


How to install 32 bit MS office 2010 on ubuntu 16.04 , 64 bit, with wine?

Installing Office 2010 on Ubuntu 15.04 using Wine


Is a MOOC "degree" worth putting on your resume?

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


Complex Space Time - Mathematical Foundations


Why and What changes should be done to Driver class in mapreduce program when using stringtokenizer instead of split()

Why am I getting a NoClassDefFoundError in Java?


New business name and website - old site has 200+ backlinks - What to do?

When changing domain names, can I keep my existing SEO and Google Search ranking?


How do I avoid the gaps introduced by a frame on a plot?


I need help with installing Ubuntu 14.04 alongside to Windows 8

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


trying to target another li member - only partially working


Why does hair know when it needs to stop to grow

Why does hair grow after trimming but remains at a constant length after a while?


What is the best way to setup dependent picklists in lightning?

Are dependent picklists supported in Lightning Components?


Recoding race variable with 9 categories to dummy


If you have two Planck lengths extended from one point forming a right angle, whats the length of the hypotenuse?

Does the Planck scale imply that spacetime is discrete?


Why does the mesh look complicated when I import the SVG file?


I am getting old push notifications from Android app

Stack Exchange Android app keeps replaying notifications


Can we post questions/answers in a native language on a Stack Exchange site?

When will other sites follow Stack Overflow Portuguese


Matter and Antimatter (Hypothetical question)

What is "pure energy" in matter-antimatter annihilation made of?


origins of the beta-decay energy spectrum

Why is the spectrum of the $\beta$-decay continuous?


How to make a non-float subfigure environment?

How to influence the position of float environments like figure and table in LaTeX?


Transpose multiple columns into 2 column and single row to multiple row in sql


Combinatorial Argument for Recursive Formula

Combinatorial argument to prove the recurrence relation for number of derangements


What is one word for "the nervous excitement associated with new things"?


handle 'strategic downvotes' more 'gently'

The answer to tactical downvoting problem?


Return FileName Only when using OpenFileDialog


Why are non-environment variables passed to the subshell invoqued by command substitution?


Symfony2 call controller from another controller

How to access a different controller from inside a controller Symfony2


Use of underscores in services for AngularJS testing

What does the underscores in _servicename_ mean in AngularJS tests?


Combinations and permutations (Evergreen)

EVERGREEN string question. Combinations and permutations


configure DNS to access local servers using public address

How can I access a server on local network using its public name?


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


Error bars, linear regression and "standard deviation" for point


Characterization of Polynomial In terms of Derivative

Does $f^{(n)} = 0$ imply that complex $f$ is a polynomial?


How do I open an app in my new mac book pro

Have iOS apps. Can I use them on my Mac Mini?


How many average flips to get an equal amount of H and T

throwing a $k$-sided dice until you get every face the same number of times


"E: Unable to correct problems, you have held broken packages" while trying to install 32-bit libraries for Steam


Given six numbers $x,y,z,a,b,c$ which satisfy the following relations. Express $x+y+z$ in terms of $a,b,c$


How to get all lines between first and last occurrences of patterns?


Get images from Database into ASHX file and Display into repeater

I want to call images from database in to ASP:repeater control but I am getting  in result


How can I remove all non-alphabetical characters of any language in a string?


Ubuntu 16.04 will not install alongside Windows 7, but 14.04 will


Does choosing the "Replace Windows 7 with Ubuntu" delete my drive data?

If I chose "Replace Windows with Ubuntu", do I lose the other partition too?


In Java, by new operator is it possible to create different objects with same String content?


Why Integers change their value when zeros are added to the left?

Why are integer literals with leading zeroes interpreted strangely?


Is there a word or phrase to describe unnecessary details?

What is the word for "Unnecessary detailed information"?


How have we derived the definition of gravitational potential energy?

How has the definition of gravitational potential energy been derived?


Difference between int[] array and int array[]


Is amd r7 360 supported by the amdgpu drivers?


systemctl --user not available for www-data user


How do I move back to original directory?


"you will have it all to yourself again." What does it mean?

The meaning of the phrase "to have Helen all to herself"


Scanner is skipping nextLine() after using next() or nextFoo()?


How to delete a specified word in a txt file using a batch file

How can you find and replace text in a file using the Windows command-line environment?


Why are negative even integers zeros for the Riemann Zeta Function?

Trivial zeros of the Riemann Zeta function


What is the best tool to manage several Ubuntu stations over network?

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


First-order differential equations - why is only the interval of validity with the initial value valid?

Why is it differential equations exist on an interval instead of a domain?


Quantum Mechanics - How do we know that the observed locations of electrons are random?

How do we know that certain quantum effects are random?


Prove if $\lim_{x\to +\infty}(f(x)+f'(x))=0$ then $\lim_{x\to +\infty} f(x)=0$

Show that $\lim_{x \to +\infty}\left(f(x)+f'(x)\right)=0 \Rightarrow \lim_{x \to +\infty} f(x)=0$


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


Does Rock Music Still Exist in the 24th Century?

Why is there no rock-n-roll on Star Trek?


The Computer is broken - repeating characters

Can't use the computer - all input I type is repeated


How to write a unit-test / test class for trigger?


How can I copy my data from NTFS Error Partition to external medium?

Unable to mount Windows (NTFS) filesystem due to hibernation


Linear regression model vs logistic regression

What is the difference between linear regression and logistic regression?


In setting up dual Boot with Windows and Ubuntu, which OS do I install first?


How to convert a number to a percentage with SASS?


Showing that $\frac{(m+n-1)!}{m!n!}\in\mathbb{Z}$, if $m,n$ coprime (homework problem)

Show that $\frac{(m+n-1)!}{m!n!}$ is an integer where m and n are positive integers and gcd(m,n)=1


Show default value for editing on Python input possible?


How to prevent sql injection both from client and server side?


Is it possible to take out specific tabs from firefox (i mean get links)(by number) from bash or smthing else(for remote usage)?

Output URL of open firefox tabs in terminal


Is there anyway to change the surname of dwarfs?


How do I add a Marker to a jQuery UI Slider?


Get only twenty five data from hundred data in foreach php

XML Feeds & PHP - Limit the number of items


Displaying row and column of selected pixel in QGIS?

Displaying row/column of point in raster using QGIS?


Finding the inverse of an integer a in Z_n

What is the best way to solve modular arithmetic equations such as $9x \equiv 33 \pmod{43}$?


Warning: preg_replace(): Unknown modifier


Proof of the definition of cardinal exponentiation


Automatically update field value in one column based on change to another column in same table?


writing a file path to a text file, how to omit the back slash?


Dimension & non - locality problem in string theory


RSA: deduce the public key from message & signed message

Given enough RSA signature values, is it possible to determine the public key value?


How can I stop Steam from loading when I start my computer?


calculate $\sum_{1\le i\le r}\frac{i+1} { r+1}{2r-i\choose r-i}{s+i-2\choose i}+\frac{1}{r+1}{2r\choose r}$?


How do you "Save as" /"open" a document using a Python Tkinter interface

Open document with default OS application in Python, both in Windows and Mac OS


What is the best word or expression that describes the Hindi word "Jootha"?

Is there a term for something that is tainted with another's saliva?


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


Error When Trying to Create a New Android Project in Eclipse

ADT 22.2 New App Wizard: Unsupported template dependency: Upgrade your Android Eclipse plugin


What is the proper way to explain the twin paradox?


Deriving decimal numbers in float input sometimes minus the value by 1


How many external displays can I power with the 15" retina MacBook Pro?

MacBook [Pro] - how many displays, what resolution/frequency?


Does Champernowne's constant converge to the digits of $\pi$?

Can we show that the decimal expansion of $\pi$ doesn't occur in the decimal expansion of the Champernowne constant?


Is StackOverflow for professional programmers or for newbiew too?

Can a new programmer with limited technical expertise ask a quality question about fundamentals on SO?


Dual national (France-Philippines) travelling to a third country (Morocco, with previous travel history)

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


Is product of two square roots of two integers square root of their products?

Why $\sqrt{-1 \times -1} \neq \sqrt{-1}^2$?


How can I fix Exception in thread "main" java.util.ConcurrentModificationException

Can anyone explain me over ConcurrentModificationException?


Citation becomes disordered after using command "\listoffigures"

Ignore citations in captions in list of figures when numbering


Is there a way to automatically hide some search results?

Add-on for blocking sites in Google Search


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


Blender 2.80beta - A tutorial to animate character in Blender and export it to Unity


What is the gem icon in DOTA2 Twitch stream?


What does +-? mean in the output of service

How to read "service --status-all" results


What did we learn by detecting a gravitational wave?

Why is the detection of gravitational waves so significant?


Segmentation fault in malloc_consolidate (malloc.c) that valgrind doesn't detect

Segfaults in malloc() and malloc_consolidate()


undefined references SDL with Code::Blocks

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


need to call the base destructor method from a derived class in c++?

Do I need to explicitly call the base virtual destructor?


How to split string with comma (,) and wrap the result by single quotes (')

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


Circumventing the default scoping: Assign a variable inside a function


Splitting pieces of a mesh into a new object


What are the most common (usual) ways to make palettes with non-trivial functionality?


Is the submodule of a finitely generated free module finitely generated?

Example of a finitely generated module with submodules that are not finitely generated


Smoothing buildings created from LiDAR to Raster/TIN using ArcGIS Pro?

Pixelated DSM using LAS Dataset to Raster?


Rotational/spin degrees of freedom for a monoatomic gas in free space

Why do we ignore rotational energy in monatomic gases?


Connecting Laptop to Monitor while it is switched on


Find the sum of the series $\sum_{n=1}^{\infty}\frac{1}{2^n-1}.$


How to make a function that calls different classes depending on key?


How to reset the Windows 10 administrator password for a VM in Hyper-V?

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


Can Nikon SLR lenses be used on Fujifilm X series cameras?

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


sudo apt-get update command not working what i do

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


Iterate through all days from a given year

How do you iterate through every day of the year?


How to create database duing C# application installation

How to make an installer for my C# application?


if $f'(x)\rightarrow L$ as $ x \rightarrow \infty$, $-\infty \leq L \leq \infty $ then $ f(x)/x \rightarrow L $ as $x \rightarrow \infty$

If $\lim_{x \to +\infty} f'(x) = L$, then $\lim_{x \to \infty} \frac {f(x)}{x} = L$


How to validate US phone numbers, US state code and US zip code in PHP?

How to validate phone numbers using regex


What does "The provided host name is not valid for this server" mean?


How to count the number of bytes in a file, grouping the same bytes?

How to gather byte occurrence statistics in binary file?


Short stay transit visa at Narita Airport, Japan

Layover at Narita, Japan. Do I need a transit visa?


A way to determine type of derived class with minimum code in c++


Is there any way to travel from the UK to the rest of the EU while a passport is being renewed?

Can a UK citizen travel to a country in Schengen without a passport?


How do I run executable scripts in Nautilus?


Decide if it is possible, by successively switching the place of rows or columns, to reach to the matrix$ −A$.


Does there exist a measurable subset $E$ such that $\varepsilon < \frac{|E\cap{I}|}{I} < 1-\varepsilon$ for every finite interval I =[a,b]?

Prove Borel Measurable Set A with the following property has measure 0.


Can't install Unity Tweak Tool - locale errors


Should PDO::ATTR_PERSISTENT be used every time?

What are the disadvantages of using persistent connection in PDO


Why does Stack Overflow allow duplicate display names?


How to convince immigration officers on accommodation while on a travel trip availing couchsurfing?

Can I use CouchSurfing as as proof of accommodation for a Schengen visa?


How do I add myself back as a sudo user?


How to send email to multiple recipients using drupal_mail?


Unable to assign style to dynamically created columns in table

Event binding on dynamically created elements?


Finding and printing duplicates in a string Arraylist


How to prove $\cos\left(\pi\over7\right)-\cos\left({2\pi}\over7\right)+\cos\left({3\pi}\over7\right)=\cos\left({\pi}\over3 \right)$


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


Could it be that at the big bang equal amounts of matter and antimatter were created, but the antimatter got stuck in black holes?

Could the universe's antimatter be hiding in black holes?


How can I fix site UUID does not match error during config import?

Site UUID in source storage does not match the target storage


Dimensional analysis for a qdf/quantile function corresponing to the pdf/CDF (size distribution of income example)

Can a probability distribution value exceeding 1 be OK?


Show the following limit does not exist at $(0,0)$: $xy^2/(x^4 + y^2)$

Choosing $2$ paths through $(0,0)$ to show: $ \lim_{(x,y) \to (0,0)}\frac{xy^2}{x^2 + y^4}$ does not exist


Undefined reference to static class member


How to compare two given times with current time?

Compare current time with two times-of-day strings


What is special about square numbers here?

The final state of 1000 light bulbs switched on/off by 1000 people passing by


Travelling from USA to Canada and return

Travelling through the US with Canadian Working Visa


Does a switch statement or an if statement cost less in resource?

Advantage of switch over if-else statement


Difference between get "off of" and "off"


How to download El Capitan installer from a High Sierra Mac

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