Lie bracket of vector fields on $\Bbb R^{n}$


Motivation for not using virtual functions

Is there any reason not to make a member function virtual?


Primitive element of the finite field $\mathbb{F}_8$ over $\mathbb{F}_2$


I have a problem when I use tikz package with Sage

On drawing a crystal graph, I have a trouble: ! Illegal parameter number in definition of \cmdGR@vertex@L


How do I install Chromium from the command line?


Confusion about the order of the elements in a list


How can I implement scrolling endless road in XNA?

How would I implement an endless road the player runs down?


Multiple Upload File JSP servlet always failed

How to upload files to server using JSP/Servlet?


Let $G$ be a group. Let $x,y,z \in G$ such that $[x,y]=y$, $[y,z]=z$, $[z,x]=x$. Prove that $x=y=z=e$.

Exercise from Serre's "Trees" - prove that a given group is trivial


Turning off Google search results indirection


I'm having this error java.lang.NullPointerException: Attempt to invoke interface method 'int java.util.List.size()' on a null object reference

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


Do Stack Exchange Staff start with 101 reputation?

What is the association bonus, and how does it work?


Any idea why the code snippet below prints 2 and not 3


Is there a package for abbreviations management?

Best package for developing a List of Abbreviations


What heterogeneity test is appropriate for my study? And, what is the use of correlation between median PFS and median OS

Meta-analysis of means and medians in R?


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


How to copy a file along with directory structure/path using python?

Copy file or directories recursively in Python


Which command should I use for displayed equations?


Shared Preferences non Activity assign to variable gets nullpointerexception


If a commutative ring is semiprime and its prime ideals are maximal then it is von Neumann regular (absolutely flat).


Count options for sitting people om a bench

How many ways to arrange people on a bench so that no woman sits next to another woman?


how to calculate number of weeks given 2 dates?


Trying to ssh root, why get permssion denied in 16.04?


I have forgotten my keystore password and I want to install my apk on Google Play. What do I do?


How is the Arc coverage "regions" data format represented in shapefiles and geodatabases?

What is ArcGIS for Desktop (and Geodatabase) equivalent to Regions of ArcInfo Workstation Coverages?


Does a correlation matrix of two variables always have the same eigenvectors?


What is an "anecdote" as opposed to a "joke"?


How to show that this set is not algebraic

Prove that a set in $\mathbb R^3$ is not an algebraic set


Bypass & Enable tether / WiFi hotspot on Android M (Marshmallow) Preview 3?

How do you enable Hotspot Wifi Sharing on Nexus 5 Android M version on Sprint, Tmobile, and AT&T?


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


Simulating group_concat MySQL function in Microsoft SQL Server 2005?


sed remove all lines starting with x or X, but the lines start with spaces

sed : Ignore line starting whitespace for match


Android: Download personal's information from server

How to lazy load images in ListView in Android


Will the attack strength of my evee carry over to its evolved form?

Does it make a difference to CP if you feed candies before or after evolving?


is there a way to request a new tag be created?


What is the difference in usage for $dx$ before or after the integrand?

Notation: Why write the differential first?


Non-pae plus unstable Intel display driver

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


How to get rid of sharp edges when using subsurf modifier?

Weird sharp vertices with subdivision modifier


Rendering both cycles and internal in one


Security Camera DC 12V , 10.5W MAX the max word it means I can use lower?

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


Installed Xubuntu 13.04 and cannot update to 14.04, can't find server

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


RSA with common modulus but different ciphertexts and public exponents


How do I sync apps to my iPhone with iTunes 12.7 or later?

How do I download an iOS App (IPA) file to my Mac after iTunes 12.7 update?


C error: undefined reference to function, but it IS defined


If $g(x)$ is my density function, then $g(x_0)$ is simply $P(X=x_0)$?

What does the value of a probability density function (PDF) at some x indicate?


PHP do every x time something else in a foreach loop


Typedef of function in class with templates: is not a type

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


How to test if exception is raised when calling socket.send

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


How can I make one python file run another?

What is the best way to call a script from another script?


Can Business Visa/schengen to austria be used to travel to other EU countries for personal trips

Schengen visa clarification: can I travel to other Schengen countries?


Partially Ordered Set that is NOT a lattice?

Simplest Example of a Poset that is not a Lattice


What should the size of the private exponents in Diffie-Hellman key exchange for TLS be?

What should be the size of a Diffie-Hellman private key?


Ignoring new fields on JSON objects using Jackson

Jackson with JSON: Unrecognized field, not marked as ignorable


If magnetic fields are created by moving charges, how do magnets work?

Why is there a magnetic field around a magnet if there are no charges moving?


Name and origin of writing with period after each word


Subset data frame based on number of rows per group


Every number is the sum of three squares with signs

Representation of integers by ternary quadratic form $x^2+y^2-z^2$


Problem with trigger when Inserting new records on custom object

System.QueryException: Non-selective query against large object type (more than 200000 rows)


Xcopy Command excluding files and folders


Is this idiom pythonic? (someBool and "True Result" or "False Result")


How to write ubuntu image to a bootable USB stick in a Chromebook?

How do you make USB bootable on chromebook


Why the behavior of while loop and for loop is different?


Numerical estimates on a given functional

Numerical estimates on asymptotic of given functional as $x\rightarrow \infty$


Including an image on a page (possibly with tikz)


What is the reason that the value "47" is so popular in electrical engineering?


How can we check the ios app killed by user or iOS

How to know whether app is terminated by user or iOS (after 10min background)


Correlation Coefficient and Regression Line

How does the correlation coefficient differ from regression slope?


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


Html code displayed when user entered simple quote on login page


What is f(n), g(n) and real constant in The Big-Oh Notation

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


Why could Isildur retain the ring? (from a "legal" point of view)

Why didn't Elrond or Círdan take the ring from Isildur by force and destroy it?


Calculate determinant of Vandermonde using specified steps.


"date(): It is not safe to rely on the system's timezone settings..."


Show that $\lim\limits_{(x,y)\to(0,0)}[x\sin(1/y) + y\sin(1/x)]$ exist


My iPad has a popup saying I have a virus


How will a lunar eclipse affect Professor Lupin's werewolf transformation curse?

What triggers a lycanthropic change in the Potterverse?


What camera do you offer to a beginner for his first dslr or dslr like

What are the differences between a bridge camera and a DSLR?


Question mark or bold citation key instead of citation number


Convenient way to cd into a frequently-used dir?

Quick directory navigation in the bash shell


jQuery - refresh or trigger all events for same class

Event binding on dynamically created elements?


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


Python : if any(x in y), case and accent insensitive?

How do I do a case-insensitive string comparison?


install intel graphics driver on 18.04LTS i915 Cherry Trail

How do I install the Intel Graphics driver in my system?


Why does this Java regex cause "illegal escape character" errors?


Why and how did the Star Trek Universe evolve to a cashless/commerce-less society?


Scraping Javascript generated content in PHP

Scrape web page data generated by javascript


How to make a list from a raw_input in python?

Get a list of numbers as input from the user


The space between the numbering of the subsections and their titles in TOC


Why 0 mean is desirable for data in neural networks?

How and why do normalization and feature scaling work?


Is there a squarefree number between any two squares?

Concerning what is between two consecutive squares.


Is there a native terminal in OS X, without having to load the desktop, window manager, etc?


[Firmware Bug]: TSC_DEADLINE disabled due to Errata; please update microcode to version: 0x52 (or later)

[Firmware Bug]: TSC_DEADLINE disabled due to Errata - what should I do about this?


I reset my Samsung Tab 4 and I lost my photos - Which aren't backed up

My Android phone is completely reset, whats the best way to recover the deleted data?


Object wont initialize - method isn't recognized

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


How to I merge two objects so I can move them around as if they were one object?


How to calculate execution time in java?

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


Get the first and second objects from a list using LINQ

How to get first N elements of a list in C#?


Javascript how to pass mutliple parameters

JavaScript equivalent to printf/String.Format


which way is better performance (select nested tables or join)?


Which seller is matched to a buyer in the stock market when there are multiple matches?

How does order matching happen in stock exchanges?


TNB vectors placed on a piecewise parametric curve

Finding unit tangent, normal, and binormal vectors for a given r(t)


What is it called when the last word of a sentence is also used as the first word of the next sentence?

Is there a name for when the same word is used at the beginning and end of different phrases/sentences?


How do I reset a lost administrative password?


What's wrong with "I'll open you the door"?


Proving $\frac{\sin x}{x} =\left(1-\frac{x^2}{\pi^2}\right)\left(1-\frac{x^2}{2^2\pi^2}\right) \left(1-\frac{x^2}{3^2\pi^2}\right)\cdots$


A word meaning a choice made for self advantage

What is a word for someone without allegiance?


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


Machine Learning: What are the types of data set?

What characterizes a function that is easy to learn?


How to change the position of the PlotLabel?


Where to ask questions in regards to a needed website module?

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


How to assign output of os.system to a variable

Python: How to get stdout after running os.system?


Combinatorics : Claude wants to invite 5 people to dinner in a pool of 11 friends, but two of these can't be with each other. How many ways?


The set of limit points of the sequence $1,\frac12,\frac14,\frac34,\frac18,\frac38,\frac58,\frac78,\frac1{16},\frac3{16},\ldots$


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


Suppose $N \cap K = \{e_G\}$. Prove that for all $a \in N$ and $b \in K, ab = ba.$

Suppose $G$ is a group and $H,K \trianglelefteq G$. If $H \cap K =1$ the $hk=kh$ for all $k \in K, h \in H$?


Generally: why use click-handlers instead of subclassing?


How I can limit Download/Upload bandwidth?


ui:inputSelect behaves differently under aura:iteration

component.find an aura:id item created in aura:iteration


Using graphicx with invoice results in strange PDF output


Minecraft 1.14: How to check if a player has a position with a specific y-axis within a circular x,z area

How to select entities not within a given cylinder in minecraft


Show that the sequence is convergent to $(a_1a_2^2)^{1/3}$.

Limit of a sequence defined by recursive relation : $ a_n = \sqrt{a_{n-1}a_{n-2}}$


Learn QM algebraic formulations and interpretations


i have a dell inspiron 1535 and am looking to use linux as its os


What does it mean to sample a data point from or according to a distribution?


How to create a multiboot USB that allows persistence, non-persistence and data partition?


Keep android view in visible area if keyboard comes up


Why doesn't Java have compound assignment versions of the conditional-and and conditional-or operators? (&&=, ||=)


How can I prove that $4^n-1$ is divisible by 3?

Prove by induction that $\forall n \in\mathbb N$, $3\mid4^{n}-1$.


3 columns layout need to be equal in height

How to create equal height columns in pure CSS


In the absence of money, what motivated the crew of the TNG Enterprise to play poker?

Poker in the Star Trek universe: What are the stakes?


Shell script to get the process ID on Linux


If $f:\mathbb{R}^2 \rightarrow \mathbb{R}, f(x,y) = (y-x^2)(y-2x^2)$, then $(0,0)$ is a min. point of $f$ restricted to any line through origin.

Why is $(0, 0)$ not a minimum of $f(x, y) = (y-3x^2)(y-x^2)$?


Can the AUC (logistic regression) be used as a measure of quality of the model?

What is the difference in what AIC and c-statistic (AUC) actually measure for model fit?


T-SQL2000 and C# Return N records grouped by ID

Simulating group_concat MySQL function in Microsoft SQL Server 2005?


Can I share a Fallout 4 save file between multiple people on PS4?


Couldn't remove this chromatic aberration

Is it normal for a fast prime to exhibit purple fringing in middle of the image?


Having troubles finding Regular Solids with blender 2.78


Will server side redirect for mobile devices satisfy google?

Are "m dot" sites a valid solution to Google's new "mobile-friendly" ranking algorithm?


During the Loading several images in ImageView get Out of Memory exception

Strange OutOfMemory issue while loading an image to a Bitmap object


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


Is there an equivalent of the Unix touch command on Windows 7?

Windows equivalent of the Linux command 'touch'?


How to fetch from MySQL database “Hindi” (Indian local language) हिन्दी text in websites


What is the difference between LightGBM and XGBoost?

Mathematical differences between GBM, XGBoost, LightGBM, CatBoost?


If I have edit privileges, how do I suggest an edit?

Can I submit an edit for approval after earning 2k reputation?


Why does linear regression use "vertical" distance to the best-fit-line, instead of actual distance?

Why does linear regression use a cost function based on the vertical distance between the hypothesis and the input data point?


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


I can't make symbols with Ctrl+Alt+(key) and my keyboard doesn't have an Alt Gr key – what do I do?

How can I type a Unicode character (for example, em-dash —?)


Matrices which commute with all the matrices commuting with a given matrix

Matrices $B$ that commute with every matrix commuting with $A$


How a WPF user control dll can share instance of resource

What is the easiest way to share resources between UserControls in a WPF User Control library?


How can you make normal map part of the mesh

How to export mesh with normal map applied as OBJ or STL for 3D printing?


Argue by contradiction to show that there is no surjection...


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


Matrix row gets printed in 2 separate rows

How to use more than 10 tab stops in bmatrix or other amsmath matrix environments?


How to type \sim above another symbol x?


What does "play games" mean in this paragraph?

Is it "to play a game on someone" or "play games with someone"?


How to hide the controls of the html5 video tag with ios/iphone devices on webkit/cordova/phonegap?


RSQLite query with user specified variable in the WHERE field


transparency texture not showing other object?

Image plane is blocking the one behind it despite transparency


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


Dynamic query variable binding weird behaviour

Variable scope - database.query() has access to variables not in scope


Is there a better way to produce a shape with exclusions in RegionPlot3D?

High-quality RegionPlot3D for logical combinations of predicates


Velocity of different sized balls rolling down the same rail

How does separation of tracks affect the acceleration of a rolling ball on the tracks?


Chromium 34 and later cannot detect flash plugin


Apply a function to each array in a list of arrays


Grouping fields into Drupal block to appear in its node

Outputting multiple content fields all wrapped in a div


Can spiritual weapon continue to be used if caster is silenced?

Can concentration spells be "adjusted" while silenced?


How to sum binomial coefficients which are multiples of 3?

closed form for $\binom{n}{0}+\binom{n}{3}+\binom{n}{6}+...+\binom{n}{n}$


A CSS way of using  on divs without heights?

Make a div fill the height of the remaining screen space


Error while installing texlive which took almost two hours


Anyone saw this Powered byNsfocus Collapsar before?

How do I deal with a compromised server?


Not able to install dropbox Ubuntu 12.04

How do I resolve unmet dependencies after adding a PPA?


Localization of an integral A-algebra is not always integral.


Different encrypted outputs in AES implementations?


OnClickListener on Bitmap animations in Android Studio throws NullPointerException

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


What is the maximum number of edits that can enter the Suggested Edit Review Queue?

What's the fixed size of the suggested edit queue?


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


JavaScript in php file doesn't work when php file is called using Ajax


Am I allowed to release a fan-made version of a Trading Card Game on a fansite?

Legal issues for a "fangame" of a commercial franchise?


How do I get this math to calculate correctly


Why aren't people answering my questions on Stack Overflow?

Tips for getting really good answers on SO


When does light act as a particle and when as a wave?

Which side of wave-particle duality to choose in a given situation


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


apt-get source: E: Unable to find a source package

How do I enable the source code repositories?


Action reaction forces in an accelerating elevator

What identifies an action-reaction pair of forces?


Identify a childrens/YA book where a poltergeist gets stuck in a computer game and shipped back to ireland

Novel about a young woman, and the doctor who mistakes her for a poltergeist


Why SharePoint 2016 is not referring images from 16 hive folder?

Why are files in 16 hive referred through _layouts/15 on a SharePoint 2016 Server?


Why do HSA qualifying plans have a max deductible?


Cannot find an ADB driver for my android phone

How to install ADB driver for any android device?


Cant access my samsung galaxy tab 3 for kids as my google account is blocked

Can not unlock my Android device as have no internet connection?


How can I crop an area from openstreetmap in QGIS?

How to clip an Openlayers OSM Background to a Vector Boundary?


How do you get Time Crystals (or, how do you sacrifice Alicorns)?

How do you attract the rarest religion resource? (spoilers!)


Do we have to use starred equations with \tag?

Incorrect reference when combining amsmath, hyperref, and \tag


Show that $q\equiv_8 1$ when $q$ is an odd square number

Prove that odd perfect square is congruent to $1$ modulo $8$


TableLayout Crashing application on android Lollipop

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


Getting GeoServer full datastore layer list by REST

How to get layer list of layers that are published?


Strange biblatex behaviour (on sharelatex.com)

Biblatex: Have only one author in citation -- multiple articles with same first author, different year


How do I resolve unmet dependencies after adding a PPA?


mysqli or PDO - what are the pros and cons?


Which Ubuntu I should install on this laptop?

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


$\alpha$ root of $x^{p^{d}} - x$ then it is a root of $x^{p^{ds}} - x$

If $d \mid n$ then $x^{q^d} - x \mid x^{q^n} - x$.


What is a word for guy who is popular with the ladies?

How to describe a guy who is popular with girls?


Intuition behind the definition of conditional probability: why $\textbf{P}(A\cap B) = \textbf{P}(A|B)\textbf{P}(B)$

Understanding why conditional probability is defined the way it is.


Why shouldn't root be allowed to login via ssh?


Differences between installer disc images?

What is different about the Mac ISO image?


Multiple errors on dual booting Ubuntu 20.04 with Windows 10


Java Subclass being brought in through classpath not able to find parent

Why am I getting a NoClassDefFoundError in Java?


Why toilet paper is softer in moist air?

Why is paper more frangible when it is wet?


What is the difference between return and return()?

Is there a difference between return myVar vs. return (myVar)?


How to Interpret Confidence Interval ILSR Ch 3 Q10g

What, precisely, is a confidence interval?


How creating function to aplying image to object python

Add a Texture to an Object using Python and Blender 2.8


What kinds of desktop environments and shells are available?


Image is fuzzy or noisy when rendered in cycles


Get all items of a Folder and subfolders using csom


How to draw samples from a multivariate Gaussian distribution without having access to a function that does the job?

Generating values from a multivariate Gaussian distribution


What's the meaning of a set to the power of another set?


Ant XSLT 2.0 with saxon9 Loading Stylesheet very very slow


Distribution of number of Bernoulli trials before some large number of sucess

Distribution of number of Bernoulli trials to a given number of successes


Java if (string=="0") check doesn't work


Desktop wallpaper goes Black when Nautilus is opened in xfce


Question about polynomial sequences and functions

Even function has even sequences of polynomials converging uniformly?


bijection between $\mathbb{N}$ and $\mathbb{N}\times\mathbb{N}$

Construct a bijection between $\mathbb{Z}^+\times \mathbb{Z}^+$ and $\mathbb{Z}^+$


recent l3kernel package and TikZ library calligraphy are not compatible


Choose between 35mm and 50mm for Nikon D5500

Would it be better to use a 35mm prime instead of a 50mm prime on a cropped sensor body?


How is the past tense of "error" spelt in British English?


does $f(x,y)$ continuous imply $\int_{a}^{b} f(x,y) \,dx $ is continuous with respect to y?

Argue that the iterated integral of a continuous function is continuous


Question mark or bold citation key instead of citation number


Is it possible to have a point estimate outside of confidence interval?

How can the confidence interval for standard deviation not include the sample standard deviation?


How to copy modifiers with attribute values from active object to selected objects with python scripting?


How to remove a particular link from the autocomplete list of desktop Google Chrome?

How to remove one or all auto-complete text entries in Chrome?


Given an ordinal $(\alpha,\in)$, how do I find a subset of rationals which is isomorphic to it?


What happens when C# reached its limit to generate Guid.NewGuid() ? How to handle it?


How to find a object in by name in the properties?

How to set the Identify Feature tool in QGIS 2.4?


How long does it take a package to get from being updated in Debian sid to the Ubuntu?

Why don't the Ubuntu repositories have the latest versions of software?


How do I merge accounts when I no longer control email for one account?

Lost my Stack Overflow account when I trashed my e-mail address


Why can't we see light travelling from point A to B?


why does g++ fail to compile. when taking the address of a templated member function of a templated class

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


Does our brain really "flip" images perceived by our eyes?

How do we know the brain flips images projected on the retina back around?


isset() function is returning true even when item is not set


Plotting roots of a predefined complex polynomial


Are electrons really elementary particles?

References on the non-compositeness of the known elementary particles


Why does currying anonymous functions change Haskell's type inference from Num to Integer?

Why are polymorphic values not inferred in Haskell?


User account password. Stuck in guest forever?

How do I reset a lost administrative password?


Fragment Unable to load in View_pager tabLayout

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


Are other sites (besides MSE) growing inactive?


Ruby Sinatra "undefined method 'get"' when called inside a class


Community wiki'zed by only one contributor


How to remove the Cognito Forms Branding

How to remove the “Powered by Cognito Forms” link at bottom


How can I split an equation over two (or more) lines


Determining if two resistors are in series or in parallel.

Detecting if resistances are parallel or series in complex circuits


Is it better in C++ to pass by value or pass by constant reference?


how do I reset Windows 10 to "factory settings"

Reset Windows 10 on new computer to remove bloatware


What do the streaming stars mean when catching Pokémon?


How to make a pickaxe that can break only certain blocks?


What programs can I use to separate clusters of vector objects

Simple programs with tutorials for beginners in graphic design?


Using a variable inside a member of an object

Get property value from string using reflection


How to fill a rectangular hole with an even amount of vertices on either side?


how to not commence a command depending on player health?

Is it possible to check for an injured player in Minecraft?


Interlining: How is responsibility distributed in case of a missed connection?

Who to contact for missed connection on a multi-airline flight?


Should answers by new users who seem to have signed up just to recommend a site/product multiple times be flagged as spam?


Making holes in an object using an image as a reference


What is $\det(I + A^{50})$ if $A$ has eigenvalues $1$, $-1$ and $0$?

Finding $\det(I+A^{100})$ where $A\in M_3(R)$ and eigenvalues of $A$ are $\{-1,0,1\}$


How to delete GRUB entirely from GRUB rescue and boot Windows only


I have 20gb of extra space and i cant find windows.old

How can I visualize the file system usage on Windows?


How to efficiently store and manage images in SQL Server 2005


Does an accelerated electron (due to gravitation) emitts e.m. radiation?

Does a charged particle accelerating in a gravitational field radiate?


How do I find the seed of my Minecraft World in Windows 10?

How can I find the actual seed code for my map?


Cannot login via ssh into CentOs machine after setting ulimit for open files to unlimited

SSH closes connection after login Exit status 254


Can't find the window for a process whose status is `Sl`


Objective-C: "format string is not a string literal (potentially insecure)" warning with macro

Warning: "format not a string literal and no format arguments"


Why can't I refresh the list of packages?

The Medibuntu Project has come to an end - what do I do now?


Which authors have discussed death in philosophy?


How can I find help for new Ubuntu users?


Measures of Uncertainty in Higher Order Moments

Range of values of skewness and kurtosis for normal distribution


performance issue with System.Linq when subdividing a list into multiple lists


Change Legend Right to Left Reading in QGIS


Show that $\tan {\pi \over 8} = \sqrt 2 - 1$


Dealing with questions of nefarious intent


Redirect all URLs from http to https (with 301 ) except for a few

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


SFDX Can't Pull Source from Scratch Org "Metadata API received improper input" AppMenu and AppSwitcher

SFDX Pull fails because of AppMenu/AppSwitcher


What is the total propagation delay of the ripple adder?


Editing Incorrect Information in Questions

What to do when someone other than the author changes a question to fix a substantive problem with the code


Is the antecedent of a relative pronoun governed solely by proximity?

"One of the children who was" vs. "one of the children who were"


Which statistical test to use using pretest and post test data?

Best practice when analysing pre-post treatment-control designs


'Boot space insufficient' Problem after updating Ubuntu


"[AppName] has stopped" in my physical device. ERROR in logcat: java.lang.NullPointerException

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


Where do I put item tags on items inside a chest or your inventory?


Inconsistent accessibility error with the following c# code. Why?


Need expert help with tricky redirect problem

A more specific question about a tricky redirect case


what is `offset` in the R function irls()?

When to use an offset in a Poisson regression?


! TeX capacity exceeded, sorry [main memory size=5000000]

TeX capacity exceeded with glossary package


Is looking at an eclipse worse than looking at the sun?

Are dangerous rays emitted during Solar Eclipse?


The Meta is being both discussion and not a discussion site

"This site is all about getting answers. It's not a discussion forum. There's no chit-chat."


prove that $\frac{(2n)!}{(n!)^2}$ is even if $n$ is a positive integer


Errors after installing Chrome Dev along with Stable

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


Please help me with this Abstract Algebra question

Ground Plan - Prove Fermat-Euclid's Totient Theorem with Lagrange's Theorem


What Do the Gringotts Goblins Do With Muggle Money?


Fatal error: Maximum execution time of 30 seconds exceeded


What's the best way to develop old, exposed film?


Asp.net mv5 403 or 401 code if user is not in correct role

Why does AuthorizeAttribute redirect to the login page for authentication and authorization failures?


The Time That 2 Masses Will Collide Due To Newtonian Gravity


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


Prevent "Resume" for my Cocoa application?


How much can I draw from the output of a flip flop?


Understanding a bit more about how things get laid out in Django?


JavaScript closure inside loops – simple practical example


Are normed vector spaces with countably infinite algebraic dimension never complete?

Let $X$ be an infinite dimensional Banach space. Prove that every Hamel basis of X is uncountable.


Probability with same number of heads and tails


Is there such a thing as "Action at a distance"?


Why does Google satellite layer change the project CRS?


How to change hair color along length of strand?


What's the difference between desktop managers and display managers?

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


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


How are percpu pointers implemented in the Linux kernel?


Will the capacitance of a parallel plate capacitor be different if the overall charge on it is not neutral?

Capacitor with different charges on each plate


Is there a comma needed before quotation?


Will a user who only asks questions get banned by the system?


How to display values only upto 2 decimal places double in java

How to round a number to n decimal places in Java


Given a compact set $K$ and closed set $E,$ prove: $E\cap K\neq \emptyset $


What is a user-friendly way to log off other users?


ubuntu-dock settings not accessible in gnome-control-center by default


Can someone explain how water from a garden hose can propagate in a sine/cosine wave?


jQuery : remove element except inside element


Why didn't Voldemort make harder-to-find or indestructible horcruxes?

Why didn't Voldemort hide his Horcruxes in impossible-to-reach places?


Einstein Field Equations and Electromagnetic Stress-Energy Tensor


What does the (unary) * operator do in this Ruby code?


Ububtu 14.04 64 bit Network not working after update

Last upgrade crashes network manager (no internet connection, no applet)


Unresponsive when network is on, ok if off

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


Radius of convergence of a sum of power series


How to reset sequence if the table is empty?


How do I return the response from an asynchronous call?


Reference - What does this error mean in PHP?


Why does Android Studio freeze up in full screen mode?

Do I need to upgrade RAM from 4GB to 8GB for Android development?


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


How to enable/disable suggestions for character alternatives?

macOS: Disable popup showing accented characters when holding down a key


Why doesn't this mosfet saturate in a configuration and not the other one?

How to reduce the voltage dropped in a mosfet used as a switch?


Characterizing Dense Subgroups of the Reals


Let $n \in \Bbb{N}$. Let $x_1,x_2,\ldots,x_n$ be positive real numbers such that $\prod_{i=1}^n x_i = 1$. Prove that $\sum_{i=1}^n x_i \ge n $

Prove that $a_1+\cdots+a_n \geq n$ if $a_1$, $a_2$, ... $a_n$ are positive real numbers and their product is $1$


How many laptops can I carry to India from Australia without Duty

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


Problem with sudo apt update What should I do with this?

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


java.lang.NullPointerException:ava.io.File android.content.Context.getCacheDir()' on a null

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


How do you compare two version Strings in Java?


Looks like it's not a game: Yes, it does: So... does it look like it's a game?

How to answer a negative question without ambiguity?


how to generate samples with the given autocorrelation function

Generating data to follow given variogram


Any shortcut to go to user account window?

Can I assign a keyboard shortcut to bring up the Mac OS X Login Window?


How to get reference to parent object from child Trigger

Parent and children relationships accessible via trigger?


Creating a GraphView with date as X axis from SQLite


Site recommendation for theoretical questions about Computer Organization and Architecture

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


Single word describing something "outside of oneself"


What methods exist for cooling superconducting quantum computers?

What cryogenic systems are suitable for superconducting qubits?


what resolution should I use in my code to test if a table runs off the page?

How to deal with page breaks when printing a large HTML table


Find the probability of finding all M unique gifts in a N group of bags

Probability distribution in the coupon collector's problem


Android get file path of image with in Fragment

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


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


How to make a footer be at the bottom anywhere on the page?

How do you get the footer to stay at the bottom of a Web page?


50s Sci Fi book: "Superbomb" sends town to far future with Sun a red giant star

Book about a town that is transported by an explosion into a freezing desert


Would entering Germany on a single-entry visa from Norway be allowed?

Can I use my single entry Schengen visa to go to a different Schengen country than originally planned?


Accelerating particles to speeds infinitesimally close to the speed of light?


Prove that if f '(x) <= 1/2 for all x in the domain of f, then f has at most one fixed point.

If $f:\mathbb R \to \mathbb R$ satisfies $f'(x) <L$ for some $L<1$, then $f$ has a unique fixed point


Why can't I spoof my wifi card's mac address to this address

Can't change my mac address - can't assign requested address


Authentication pop-up issue with Selenium

Handling browser level authentication using Selenium


How can one avoid the 40 min compulsory break in between two questions?

Posting only once every 40 minutes even for experienced users?


Does the isEmpty() method check for null values?

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


What is the difference between apologize and apologise and how could use it in suitable place?

Are the endings "-zation" and "-sation" interchangeable?


is there a word for half sibling's half sibling?

A word for someone who you share a half-sibling with


How can I make an Echo (or any Object) invisible?

What options exist for making non-equipment objects invisible?


When is the new closing system going to be turned loose?

Closing changes: [on hold], unclear, too broad, opinion-based, off-topic reasons, bye-bye to Too Localized


Does a non-trivial solution exist for $f'(x)=f(f(x))$?


How does Carrying Capacity work with bonuses?

Does the Powerful Build trait stack with the benefit to carrying capacity from the Totem Warrior Barbarian's Aspect of the Beast (Bear) feature?


Can the make the font even smaller than 10pt?

How to specify font size less than 10pt (or more than 12pt)?


Are "(function ( ) { } ) ( )" and "(function ( ) { } ( ) )" functionally equal in JavaScript?


The meaning of singleton and existence of $\{\varnothing, \{ \varnothing \}\}$


If the scalar product is non degenerate then the metric matrix is invertible and symmetric : why?

Non-degenerate bilinear forms and invertible matrices


Multivariable limit proof: $\lim\limits_{(x,y)\rightarrow (0,0)}\frac{\left|x\right|^a\left|y\right|^b}{\left|x\right|^c + \left|y\right|^d} = 0$


If the red curve is an ellipse, is the green curve also an ellipse?

Enlarging an ellipses along normal direction


Get bigger icon from System.Drawing.Icon.ExtractAssociatedIcon

Selecting the size of a System.Drawing.Icon?


Automatically install package dependencies with terminal

How to let `dpkg -i` install dependencies for me?


RSA limiting down the possible values for $n,q$, and $d$? given only $e$ and $p$


HP BS180TX Wifi and Bluetooth not working in Ubuntu 16.04

Installing Wi-Fi driver for Realtek Semiconductor RTL8723DE Device [10ec:d723]


What is Stack Overflow planning to do about indefinite questions with recurring updates?

Exit strategies for "chameleon questions"


Expression for talking pseudo-smart, but not saying something of value?

What is a word to describe inefficient communication?


Customizing cover sheet for dissertation


Why is the Earth's or other planets orbit elliptical instead of being circular such as of moon?


%1 is not a valid Win32 application for php_mysql.dll

How do I resolve "%1 is not a valid Win32 application"?


Could a best-practice question be a good fit for Stack Overflow?

Why is asking a question on "best practice" a bad thing?


macOS Catalina how to upgrade the Apache httpd

Changing Default Apache version on MacOS Sierra


What is the process by which a question is marked as duplicate by Community♦?

Can we clarify to the OP that their question is not yet closed and the duplicates are only suggestions?


Error while trying to mount pendrive with exFAT

Mount error: "unknown filesystem type 'exfat'"


What's the most efficient way to obtain XP from 1.12 - 1.14?

What's the most efficient way to get experience?


Python script executing on server, but not in a cron

Why is my crontab not working, and how can I troubleshoot it?


How to get past factory-reset home screen (Hello) without a home button on iPhone 6+?


How can change this sql queries to prepared statements?


16.04 Switching between workspaces with the keyboard shortcuts do not work

Workplace switcher stopped working in Ubuntu 16.04


How can I join/concatenate multiple Videos with different video formats / encoding using mencoder or ffmpeg using command line in linux?

What's the best video format for concatenation


Let $R= \mathbb{Q}[x^2 ,x^3 ]$, the set of all polynomials over $\mathbb{Q}$ with no $x$ term. Show that the $\gcd$ of $x^5$ and $x^6$ does not exist


Evaluate the definite integral: $\int_0^\infty e^{-hx^2}\;\mathrm{d}x$

Proving $\int_{0}^{\infty} \mathrm{e}^{-x^2} dx = \frac{\sqrt \pi}{2}$


Multiclass Warlock/Wizard: Can I use Int as spellcasting ability for Pact Magic slots?

Can a multiclass character use either of its spellcasting modifiers for spells?


Cannot read multiple externalizable objects from InputStream

StreamCorruptedException: invalid type code: AC


What tense should I use after the conjunction 'lest'? Must it always be an infinitive?


Material Sync from external .blend file UI


Number of integer partitions of a natural number

Find count of all combination of numbers whose sum is x


How to get the unique selector of elements

What is the path in the html dom for a selected element?


If f:X→R is a continuous non constant function and X is connected then X is uncountable.

$f(X)$ is uncountable and hence $X$ is uncountable.


Overflow in the "sort by" drop down list when searching via the SE blog

Fix overlap issue to show drop-down arrow for Sort by: option list on the new Blog search results page


Classnot found. Null Pointer exception when i wanna change .Jar to .exe

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


Invertible matrices with integer entries has to be permutation matrices

Matrices that can only be permutation matrices


What are the most common pitfalls awaiting new users?


i need to install a 64 bit application on my PC which is running a 32 bit OS of windows 7

Running 64 bit programs on a 32 bit system


"directory junction" vs "directory symbolic link"?


fatal error: linux/err.h: No such file or directory

How do I find the package that provides a file?


Apply visa of a country from another county( not your home country)

Apply for Schengen visa in a third country


Should questions be added to the reopen queue as soon as they're edited by the original author?


Taking a screenshot of a specific part of the screen in iOS


Identify self closing tag of XML in Java


How do I (or should I) migrate a question about the Arduino to the Arduino site?

When voting to migrate an off-topic question, why is the list of sites limited?


Standard charger for Macbook Pro insufficient

What to do if MacBook Pro 2017 uses more wattage than the charger can give?


Fix SE for interdisciplinary questions: inter-site posting instead of close-repost

Please provide the ability to cross post questions to multiple Stack Exchange communities


Inverse Fourier transform of $\frac{1}{k^2+a^2}$

Calculate the Fourier transform of $b(x) =\frac{1}{x^2 +a^2}$


What is entitlement key for NSWorkspace's - (void)showSearchResultsForQueryString method?

How do I write entitlements to use NSWorkSpace's showSearchResultsForQueryString in sandboxed app?


Who was the orc who wanted to leave Mordor and have his own band of brigands?

Is there a passage in Lord of the Rings told from the perspective of an orc?


Prove by mathematical induction: $n < 2^n$

Prove that $ n < 2^{n}$ for all natural numbers $n$.


For how many days Govt of India keep travelers under observation who have transit in Singapore and travelling from Australia to India via singapore?

Where can we find frequently updated details about travel/entry restrictions due to Coronavirus (nCoV-19)?


Writing report in Winedt: Forced to use "Erase Output Files" after each mistake


Why didn't Sauron give the Hobbits any rings?

Why are there rings for Dwarves and Elves and Men, but not Hobbits or Orcs?


NameError: name 'datetime' is not defined


US currency is only required to be accepted for actual debt

It is legal for a retailer/store or other business to refuse $50 & $100 bills or other legal tender, e.g. pennies?


k litres of Milk delivery with minimum cost

$k$ litres of Milk delivery with minimum cost


Removing trailing newline character from fgets() input


Should I install Xbox 360 games to my hard drive?


Is it possible to show the output on terminal while writing the output of a command to a file?

How do I log all input and output in a terminal session?


Doing accurate floating point division in Python 3


How can I get out of an answer ban - FAQ inadequate

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


Trying to find a story about an immortal little girl


Does $\varphi_{X+Y}(t)=\varphi_X(t)\varphi_Y(t)$ imply independence of $X$ and $Y$?

Moment generating functions/ Characteristic functions of $X,Y$ factor implies $X,Y$ independent.


"dev/sda1: clean, ..." This message appears after I startup my laptop, then it won't continue booting


How do I visualize $\exp(z)$ as a complex mapping?


JsonMappingException: (was NullPointerException) through reference chain: Request["requestId"]

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


“He was feared by other, lesser, men.” is this sentence correct in grammar?

Meaning of "My friend, who lives in Paris, is a teacher" with and without commas


Pigeonhole Principle for numbers and their divisors within a set


The appropriate match ratio between case and controls: the obsession with 1:5

is there a way to find suitable ratio for matches to controls (using "ratio" in Matchit package in R or other programs)


case insensitive, list files in directory, ending in .jpg

How to match case insensitive patterns with ls?


How to get highlighting from interactive regex search in emac to remain highlight until deactivated?

emacs isearch lazy highlight for whole buffer


Harmonic non-constan function is surjective

Harmonic non-surjective functions are constant


In Java, for a string x, what is the runtime cost of s.length()? Is it O(1) or O(n)?


i want to call the mainActivity in getView override method .....it showing Fatal exception..how to resolve it


Ubuntu 17.04 taking too much time to boot


Suppress Fancy header and footer on first page only.


How should I best name my timestamp fields?


Positive integers relatively prime to all the terms

IMO 2005 No 4. : All integers relatively prime to terms of infinite sequence


bash adds single quotes to > (redirect) during variable expansion (breaking my redirect)

Elegant solution to echo to either stdout or file in bash


Pygame program that can get keyboard input with caps

Pygame: Is there any easy way to find the letter/number of ANY alphanumeric pressed?


How Sorting Data With Underscore In Mysql


Could Hermione really free the Hogwarts house-elves with her knitted hats?


Discrete Logarithm within DH exchange - finding out A and B secret number

Breaking a small-scale Example Diffie-Hellman?


Create node fields populated with an API

How do I programmatically update the allowed values of a list field?


Is there a Stack Exchange site for questions about finding data?

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


Quoting the output of a backtick command

Why does my shell script choke on whitespace or other special characters?


What could be the undetermined issue that aliens would be facing 3000 years in the future in the Arrival movie?


Will free-fall object into black hole exceed speed of light $c$ before hitting black hole surface?


How to escape the quotation mark that is generated in the report query when the parameter is passed


Clustering time-shifted sales time-series


Does cellular/organism death happen to enable evolution?

What evolutionary explanations are there for death?


Why was the Sorcerer's Stone so poorly protected?

Was the Sorcerer's (Philosopher's) Stone really that well protected?


How to calculate the minimum distance of a cyclic code


Good resources to understand how LaTeX is constructed layer after layer?


In what format does piped output get sent and received from one command/program to another?


How to solve $\:\frac{d^2x}{dt^2}=-\frac{k}{m}x$ type of differential equations?

How to solve harmonic oscillator differential equation: $\dfrac{d^2x}{dt^2} + \dfrac{kx}{m} = 0$


No mapping found for HTTP request with URI.... in DispatcherServlet with name

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


Safe Temperature for GPU and CPU while gaming in laptop

Maximum temperature laptop internals can handle? Cooling options?


I'm trying to install mumble but apparently I'm missing some dependencies

How do I resolve unmet dependencies after adding a PPA?


Image of connected set is connected implies continuity?

Continuity $\Rightarrow$ Intermediate Value Property. Why is the opposite not true?


PHP: how are query results stored in mysqli_result


Is there any security issue when I set `apache` as the only owner of websites files and folders?

What permissions should my website files/folders have on a Linux webserver?


Create Generic method constraining T to an Enum


Sci fi short story name about cyborg time traveling soldier

Need help identifying short story about retired military colonel who fought war at end of time


If $X$ and $Y$ are both independent from $\mathscr {F}$, is $f(X,Y)$ also independent from $\mathscr{F}$?

$X_1,...,X_n$ be independent RVs and $X_i \perp \mathcal F $ for $1\ \leq \forall i \leq n$. Show that $\sigma (X_1,...,X_n) \perp \mathcal F$


Why can't I flag some answers as very low quality?

Why is the option very low quality sometimes hidden in the flag menu?


Eclipse - Git Commit and Push empty folder(s)

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


Install Wifi Driver for Realtek 0bda.b812 RTL8812BU

How do I install drivers for Realtek RTL8812BU?


Creating an array of Random Strings [Java]

How to generate a random alpha-numeric string


Why can templates only be implemented in the header file?


How do I clear all user defined symbols?


Can I say ... “This quote is so accurate to them..”?


Where can I find a dark stylesheet for mathematica?


Elegant operations on matrix rows and columns


Use regex to replace lower case values to title Case JavaScript

Convert string to Title Case with JavaScript


Question on proving quotient space is homeomorphic to circle

The space obtained by identifying the antipodal points of a circle


How to make a file (e.g. a .sh script) executable, so it can be run from a terminal


Windows: are file attributes such as Date Modified and Date Created timezone aware?

Are Windows file timestamps timezone aware?


PHP regular expression to add rel="nofollow" to external links

RegEx expression to find a href links and add NoFollow to them


Bitshifting with and without leading zero


What can I do if some moderators delete my comments improperly?


Make "last seen" on the profile page less exact

Can we set privacy for "last seen" status?


Android Stringblock.get NullPointer Exception on Lollipop

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


Migrating from Ubuntu repository TeX to TeX Live?


Testing for multicollinearity in logistic regression


Why is the number of conjugacy classes modulo 16 equal to the order for a finite group of odd order?

Surprising but simple group theory result on conjugacy classes


jQuery UI selectable, with flow selection instead of box selection

Jquery selectable for range selection (slider behaviour)


Continuous function, mapping of a set to itself

For each $y \in \mathbb{R}$ either no $x$ with $f(x) = y$ or two such values of $x$. Show that $f$ is discontinuous.


Naming AsyncTask for profiling in Android


ListDensityPlot and ListPlot3D with big data


Python: How to select a collection in the Outliner?


PCA to choose variables based on its loadings on PC1

Using principal component analysis (PCA) for feature selection


Show that any two different columns of an orthogonal matrix are orthogonal vectors, as are any two different rows.

Orthogonal matrix and orthonormal columns


Is The Flash's physiology faster than normal humans?


HELP : Have a terminal screen after Grub and booting on Ubuntu 18.04

Switching between virtual console and GUI


Are 5e Druids able to transform into Magical Beasts, or are they restricted to ordinary beasts?

Can druids Wild Shape into creatures other than beasts?


Proving that $\frac{1}{a_1....a_n} \geq (n-1)^n $ under certain conditions

Prove the following inequality $\sqrt[n]{x_1x_2...x_n}\ge (n-1)$


I keep getting a null pointer exception when I click on my listview without selecting an item (JavaFX)?

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


Does damage dealt by Searing Blood's delayed trigger cause Satyr Firedancer to trigger?

If an effect would prevent a spell from doing damage, does it continue to prevent that damage after the spell changes zones?


integer number division to decimal number in bash script

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


How to manage startup applications from terminal

How to add a script to Startup Applications from the command line?


Is it OK to put a sleeping MacBook pro (Mid 2015) in your backpack and carry around?

Does closing the lid put a MacBook Pro to sleep? Would it hurt the computer if I carry it around without shutting it down?


Visual Basic - Creating new array during execution?


How to study physics as a first year student?

How to learn physics effectively and efficiently


Implementing Passive Wisdom (Perception)


Prove a composition of two functions is meaurable

Is composition of measurable functions measurable?


Android app crashing when selecting load indicator in the notifications

Android app crashes when clicking on the loading icon in notification pane


Can't install or remove using apt/dpkg due to broken packages

"debconf: DbDriver "config": config.dat is locked by another process: Resource temporarily unavailable" while installing packages


How can I invite people to my chat room?


I accidentally gave the wrong person a bounty, who can I contact to undo?

Can I change which answer I chose to award the bounty to after I've done so?


26 light switches flipped by multiples of 1, 2, 3, 4 .... to 26. How many light switches are flipped on?

Prison problem: locking or unlocking every $n$th door for $ n=1,2,3,...$


Deleting a Rule according to the first element


Touching is a Pauli exclusion principle or electrostatic force?

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


PHP preg_replace_callback function to mimic handlebars js

regular expression in php: take the shortest match


Using one javascript for multiple elements


Which Ubuntu version that support HP 14-bw001au?

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


'Should've seen it glow' or 'should've seen it glowing'?


Prove that $\gcd(a^n - 1, a^m - 1) = a^{\gcd(n, m)} - 1$


Definition of a 'well received question' for the purposes of the Curious badge

Misleading description of new Curious badge


Does my Giant Crocodile's grapple benefit from my Druid's expertise? (wild shape)

Can a Druid/Barbarian multiclass wildshaped into a giant constrictor snake use my Athletics skill in the place of the constrict attack?


python how to handle float data like this？


Proving inequation with maximum and 2nd derivative


How can I tell if these pipes are gas pipes or water pipes?

How can I tell if these pipes are gas lines or water lines?


How do I prove that $S^n$ is homeomorphic to $S^m \Rightarrow m=n$?


Let there be a sequence such that the distance between two consecutive terms converges to 0. Must this sequence converge?

Example to the statement that $a_{n+1} - a_n \rightarrow 0$ as $n \rightarrow \infty$ does not imply that sequence $a_n$ converges.


How to validate a number with preceding zeros with regex


Read SQLite Database from download folder and retrieve information


How to extract CN from X509Certificate in Java?


If $E_1, E_2$ are connected and $A_1\subseteq E_1$ and $A_2\subseteq E_2$ then $(E_1\times E_2)-(A_1\times A_2)$ is connected

Prove that $(X\times Y)\setminus (A\times B)$ is connected


Why can I not create an instance of inner class?

Java inner class and static nested class


How can I encourage Stack Overflow to rein in the 'subjective' vigilantes?

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


Objective C Equivalent of PHP's "Variable Variables"

Using a string as name to set property values


Splitting a List Containing Multiple Dictonaries

How do I sort a list of dictionaries by a value of the dictionary?


How do I math code Product symbol other than type $\prod_{i=1}^{n}$

Why is \[ ... \] preferable to $$ ... $$?


How did Google, Comscore and Grapeshot learn of a secret page

How can I figure out how a search engine is finding hidden pages?


Advice for choosing PhD advisor and university

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


Are answers that just contain links elsewhere really "good answers"?


Why do empty string and None evaluate differently?


How to make a disk mounted automatically when Ubuntu launches?

How to make partitions mount at startup?


How do you algebraically solve $x=\cos(x)$?


Problem using gnuplot and Texmaker/TexShop on Mac


Delphi: initialization of boolean differs in 32 Bit and 64 Bit applications

Are delphi variables initialized with a value by default?


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


How do i create a perfect hexagonal dome like the image below?

How can I build a model out of hexagons? (honeycomb effect)


LINQ implementation of Cartesian Product with pruning


Multiplication operator has no eigenvalues

Multiplication operator has no no eigenvalues


Can I book a tatkal ticket in Indian Railways online?

What is the difference between a tatkal and premium tatkal ticket in Indian Railways?


Can I award a bounty to my old question?


Cannot mark accepted answer for one of my questions

Manually accept answer after bounty has expired; never auto-accept


Prove - intersection of subgroups is a subgroup.

If $P \leq G$, $Q\leq G$, are $P\cap Q$ and $P\cup Q$ subgroups of $G$?


How can a computer with dynamic IP work as a webserver?


How do I find which color gradient is being used with the Automatic parameter?

What is the default ColorFunction for MatrixPlot?


Exception in thread "Thread-2" java.lang.NullPointerException Games Flappy

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


Control Bar Chart Color based on Condition Statement

Why is the test in my ColorFunction not behaving as expected?


How can I set the speed of manipulate play button?


Why does the midpoint method have error $O(h^2)$

Numerical Approximation of Differential Equations with Midpoint Method


If the positive series $\sum a_n$ diverges and $s_n=\sum\limits_{k\leqslant n}a_k$ then $\sum \frac{a_n}{s_n}$ diverges as well


How to write XPath if my ID is changing continuously?

How to handle dynamic changing ID's In XPath?


Where's the iMessage contact icon stored?

Where is the original file for the default Contacts profile picture located?


Bh-proht headset Ubuntu 14.04LTS Bluetooth Issues- 1/05/2016! Still not working!

Pulseaudio not detecting bluetooth headset automatically


How to update a global variable from within a function in Python 3?


If gravitons are particles, how do they escape BH gravity if nothing can?


Getting Null Pointer Exception with setCenter() method in JavaFX with Scene Builder 8.0


What can I do about an exploitative user?

"Accept for more help" extortion - is this common?


im getting NullPointerException when i try to add into an ArrayList

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


Merging different resolution DEMs in ArcMap?

Merging Raster Datasets of Different Resolutions using ArcGIS Desktop?


Why is my UIView not growing with CGAffineTransformMakeScale?


System properties showing only 2.75 gb ram instead of 4gb

Installed memory 4GB but only 1.93 GB is usable shows in system properties dialog?


How to check whether the linux system using a large disk space?

How to expand the ext4 primary partition size in a VMware Player virtual disk?


Abstract, Interface, Classes OH MY - Question on Approach


What does the 4+4 CPU power connector on my motherboard do exactly?

Is the 4-pin PSU connector required? (Trying to connect a PSU to a mini case.)


How to update both child and parent table in single transaction using entity framework?

Using Transactions or SaveChanges(false) and AcceptAllChanges()?


In JavaScript, why is "0" equal to false, but when tested by 'if' it is not false by itself?

Why does ('0' ? 'a' : 'b') behave different than ('0' == true ? 'a' : 'b')


My random number generator function generates the same number

rand() generating the same number – even with srand(time(NULL)) in my main!


Finding duplicates with first 12 characters of each line

How do I print all lines of a file with duplicate values in a certain column


Zariski tangent space and $K[\epsilon]/(\epsilon^2)$

Zariski Tangent Space and $k[\varepsilon]/\varepsilon^2$


Limit of a sequence involving root of a factorial: $\lim_{n \to \infty} \frac{n}{ \sqrt [n]{n!}}$


How to strike through obliquely, e.g. to indicate cancellation?


Why does this mobile phone battery have 4 terminals?


Why doesn't this C++0x code call the move constructor?


i am currently making a ticketsystem but it is not inserting into database. can somebody see an error?


Finding $z\in \mathbb C$ with $\sin z = 2$?


How (in)vulnerable is OS X to encryption ransomware?


Should this have been autodetected as spam?

Why don't we treat rubbish the same as spam?


Large negative intercept value in python statsmodels regression for a time-series

Does it make sense to use a date variable in a regression?


What software can I use to decrypt a Mac OS X password hash?


Why wasn't this upvote counted toward rep?


Views global text area replacement patterns for multiple values

Other (related) nodes with the same taxonomy block grouping problem


proper use google webmaster tools URL Parameters


Does a South African citizen with a UK visa need a transit visa for Amsterdam?

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


Two svchost.exe processes keeps occpying 25% (sum) CPU on Windows 10 Pro 1709

After Windows 10 Fall Creators Update, a svchost.exe instance is constantly using CPU time


Download all my content in a compact form

Is there a direct download link with a raw data dump of Stack Overflow? (not a torrent)


code is not working as expected; array doubling; pass by reference

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


How to save integer to sql column with data type int

Problem with querying sql server from vb


What's the easiest way to install a list of packages with latest version

Why don't the Ubuntu repositories have the latest versions of software?


Why does $ \frac{2x}{2+x}$ provide a particularly tight lower bound for $\ln(1+x)$ for small positive values of $x$?


Simple solution to Question 6 from the 1988 Math Olympiad

Alternative proof that $(a^2+b^2)/(ab+1)$ is a square when it's an integer


dynamically adding javascript eventlistener doing unexplainable things


How to prove that the set of natural numbers $\mathbb{N}$ has the same size as $\mathbb{N\times N}$?

The cartesian product $\mathbb{N} \times \mathbb{N}$ is countable


What is the correct spelling of two fold?

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


Reporting Cox & Snell and Nagelkerke in logistical regression

Which pseudo-$R^2$ measure is the one to report for logistic regression (Cox & Snell or Nagelkerke)?


Why I can't change my username in Terminal?


Is there any difference in creating string object

What is the difference between string primitives and String objects in JavaScript?


Should I quote Wikipedia if I can't rephrase it?

Is verbatim copying of short technical phrases without quotes but with citation considered plagiarism?


Use system fonts (Mac OS) while using book template

Change the font of a document in XelaTeX


Store the output of find command in an array

How can I store the "find" command results as an array in Bash


Wi-Fi can’t be turned on (MacBook Pro 2011, High Sierra 10.13.4)

MacBook is displaying the message "no hardware installed" when I click on Wi-Fi


Will 1600mhz DDR3 ram work with 1333mhz?

Is it safe to use RAM sticks with different frequencies?


Javascript function not returning result

JavaScript function that returns result of ajax call


How to render the black lines at the edges of an object?

How to get silhouette with contour rendering in Cycles


Get road polyline from road polyline buffer layer

Creating Centrelines from Road Polygons/Casings using ArcGIS Desktop?


Do I ever get the last key for the 4th house?

Where do I get the key for the first house?


To prove basic properties of real numbers using field axioms

how do I prove that $1 > 0$ in an ordered field?


why is there a compiler error in this instanceof test

instanceof - incompatible conditional operand types


ArrayAdapter NullPointerException Attempt to invoke virtual method on a null object reference

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


Would it be appropriate to upgrade [synonymizer] badge from bronze to silver?

Shouldn't Synonymizer be a silver/gold badge?


Reassigning of an array and "pass-by-reference" principle in JS

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


Prove that if $n^x$ is an integer for every natural number $n$, then $x$ is also an integer.

If $n^c\in\mathbb N$ for every $n\in\mathbb N$, then $c$ is a non-negative integer?


How do I project the screen of my Android phone for a presentation?


Algorithm to ensure 'unique' session_id in PHP


Sound changes of "wild" and "wilderness"

Why is ‘i’ in milk pronounced differently from ‘i’ in find?


(cpp) old conversion from constant string to char *

C++ warning: deprecated conversion from string constant to ‘char*’ [-Wwrite-strings]


How to place a .png texture with transparency over a material


What are the restrictions on the Damion Google Font?

May I use Google Fonts for creating a logo with commercial purposes?


If everyone expects index funds to increase in value in the future, wouldn't future returns be zero?

If the future is already priced in, how does the average/non-professional person make profit at the stock market?


How to have the cp command create any necessary folders for copying a file to a destination

Linux: copy and create destination dir if it does not exist


CSS - Height of 100% minus #px - Header and Footer


String elements in array with whitespaces in them being splitted?

Why does my shell script choke on whitespace or other special characters?


Dynamically create forms the on Click button not working

Event binding on dynamically created elements?


How is this equation obtained? $\int_0^\infty \frac{x^{s-1} dx}{e^x-1}=\Pi(s-1)\zeta(s) $

Integral Representation of the Zeta Function: $\zeta(s)=\frac1{\Gamma(s)}\int_{0}^\infty \frac{x^{s-1}}{e^x-1}dx$


How do I extract  tags from and (X)HTML input in PHP?

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


How to represent these forms of data in Latex?


Keep original array after JavaScript function

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


The square roots of different primes are linearly independent over the field of rationals


How to convert longitude and latitude value to address in windows phone?

Windows Phone ReverseGeocoding to get Address from Lat and Long


How can I search history with text already entered at the prompt in zsh?


Applying for a USA B1/B2 Visa for an alien resident in Germany


What does the "yours" in "yours sincerely" mean?


Using left over pickle juice to make more pickles


Simplifying $\binom{n}{0} - \binom{n}{1} + \binom{n}{2} - \binom{n}{3} + \cdots + (-1)^n \binom{n}{n}$

How to prove that $\sum_{k=0}^{n}(-1)^k \binom {n}{k}=0 $


How to remove the notification "1000 Unread Messages" beside login logo in Windows XP?

How to turn off "unread messages" feature on Windows XP login screen?


how to resolve Attempt to invoke virtual method android.content.res.Resources on a null reference

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


What kind of things can you take from a hotel?


WCF and Inconsistent Double input/output


How can I close my current view controller and push another view controller in iOS

popping and pushing view controllers in same action


Determinant of a block matrix using row operations

Determinant of a block upper triangular matrix


Ignoring autocomplete='off' in chrome browser

Is there a W3C valid way to disable autocomplete in a HTML form?


How can I enumerate a list of coset representatives?

Efficient Algorithm for finding left (or right) Transversal in a Group


Why instance variable is null in below example

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


What is the best way to pass on options?


How to add object created to a vector with the class constructor?

How to initialize private static members in C++?


I'd like to have portions of a texture not glossy


C++ Call a non-virtual non-static method from a null pointer, without accessing members : is this guaranteed to work?

Is it legal/well-defined C++ to call a non-static method that doesn't access members through a null pointer?


Problem setting alias, ~/.bash_aliases file not found


NSDate from NSDateComponents: Why I am getting wrong hours and day?

NSDate and NSDateComponents return wrong date


Python: import function from non .py file

Import a python module without the .py extension


Mistake in Spivak's *Calculus on Manifolds*?

Question about Angle-Preserving Operators


Mysql - get sum() result in another column


How to calculate average velocity using a series of measurements?

What is the difference between these two ways to calculate average velocity?


Using system commands in Perl instead of built in libraries/functions

Using Perl modules vs. using system() calls


Python regex only returning one result when DOTALL used

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


In Inception movie final scene, why does the spinning top never comes to rest?


Formatting string connected to for loop from a list (python)


Evidence of collinearity, yet significant coefficients – is this a problem?


How do I combine two lists into a dictionary in Python?

How do I convert two lists into a dictionary?


Is there a way, using javascript, to detect if there are multiple monitors connected to the device?

Testing for multiple screens with javascript


Intuition behind conjugation in group theory


Allow to submit an answer with ctrl+enter


Postgres PSQL Import file from certain location

postgreSQL - psql \i : how to execute script in a given path


How to create an administrator account only used for UAC and prevent from WinLogon?

Hide account from login screen but can be used in UAC


Show that there exist a continuous function $f:X\to [0,1]$ such that $f^{-1}(\{0\})=A$ and $f(B)=\{1\}$.

a construction of a continuous function from a normal space to [0,1]


How to accept a meeting invite via keyboard shortcut in Outlook 2007

Are there any shortcut keys for responding to meeting requests in MS Office Outlook 2010?


how many user accounts can a unix-like OS host?


Reading file contents on the client-side in javascript in various browsers


How should I deal with becoming discouraged as a graduate student?


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In C++ what causes an assignment to evaluate as true or false when used in a control structure?


Delete a dictionary item if the key exists

How can I remove a key from a Python dictionary?


Automated disk monitoring: what is my system doing already, what more should I do?

How can I check the SMART status of a SSD or HDD on current versions of Ubuntu 14.04 through 20.04?


Travelling back to Indonesia with Dual citizenship

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


How to get Current System IP in C under Windows XP

How to get my non-loopback network ip address in C?


⋇ "Division Times" operator in Unicode (U+22C7)?

What is the symbol ''$\divideontimes$'' (DIVIDE TIMES) for?


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"For security reasons, framing is not allowed; click OK to remove the frames." on Imgur upload


C# Deleting last character in a string / textbox.

How to delete last character in a string in C#?


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How do I keep Python print from adding newlines or spaces?


How do I set a background image while I am editing?


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

How to show $a,b$ coprime to $n\Rightarrow ab$ coprime to $n$?


Recommended books for advanced undergraduate electrodynamics


Harvard Citation Styles "et al." and hyperlinking citations to references


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


How can I generate random number in range?

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


how do I remove Microsoft Edge from Windows 10?

How to disable or uninstall Microsoft Edge in Windows 10


How to get this symbol about normal group?

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


How to get accurate co-ordinates from mouse clicks in javascript

How do I get the coordinates of a mouse click on a canvas element?


Finding maximum likelihood of a mixture normal distribution

Is there a numerical solution to a mixture model of two normal distributions?


Prove convergence of $ \sum_{n=1}^{\infty} a^{\ln n}$ for $0<a<\frac{1}{e}$


How do I simplify transfer of Books to iPad

Is there any way to add an ePub book to iBooks without iTunes?


Can't input (č ć š ž đ ) in python 2.7.x console

Python, Unicode, and the Windows console


Should questions upvotes gain more reputation (the same as answer upvotes)?

Should the weight of question upvotes be reduced?


Was the fact that the foreign schools were non-coed important?


Should an adverb go before or after a verb?


Making python script executable from any directory


How to make fresh new hard drive partitions during ubuntu installation

How to use manual partitioning during installation?


Fetching td data from a table using regexp, table is in a variable

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


What is a Thread? How many threads does my program have?


getElementByClassName Not Returning Results


Created Android App but keeps getting stopped error

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


LWC datatable not rendering modified column

Uncaught TypeError: 'set' on proxy: trap returned falsish for property Name


Handler return null Exception and sending null in message


Upgrade Ubuntu 14.04 to 16.04 keep failing

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


When can a ring be isomorphic to a quotient of itself?

Quotient ring being isomorphic to the initial ring


Adjusting table size with adjustbox but without changing the font

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


.click() from an object property on appended buttons in jQuery

JavaScript closure inside loops – simple practical example


What is the difference between these responses?

How to answer a negative question without ambiguity?


If so many people use set.seed(123) doesn't that affect randomness of world's reporting?

Am I creating bias by using the same random seed over and over?


Android screen lock/ unlock programmatically

How to Lock/Unlock screen programmatically?


What to choose for null hypothesis and alternate hypothesis?

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


How to restore update settings after accidentally changing it with dist-upgrade and pantheon desktop environment

Difference between "ppa-purge" and "add-apt-repository -r"?


Java Scanner do-while Lack of Recognition Issue

How to use java.util.Scanner to correctly read user input from System.in and act on it?


Show that $\log(x^2+y^2)$ is not a real part of analytic function in $z\ne 0$.

ii) Show that $u$ is not a real part of the function which analytic on $\mathbb{C} \backslash \lbrace 0 \rbrace$


Best way to backup/edit RAW photos while travelling abroad with bad Internet access?

How can I backup my RAW photos while travelling without Internet access?


Connection between rank and matrix product


How to write text in style LaTeX is written?

What are good learning resources for a LaTeX beginner?


Sci-fi short story about aliens using primitive weapons

Short story, where FTL travel is very simple but humans never discovered it


Trying to create a function that finds the average of unlimited

How to compute the sum and average of elements in an array?


Finder randomly changes language in sidebar favourites

Finder sidebar flashing text and high CPU load since El Capitan


How to write “ä” and other umlauts and accented letters in bibliography?


weird properties of complex exponentials: $e^{i 2 \pi f(x)} = 1$

What is wrong with this fake proof $e^i = 1$?


Correct code structure for class/function templates?

Why can templates only be implemented in the header file?


Dell Vostro 15 3590 laptop compatibility with Ubuntu dual boot with Windows 10


How to make a text file read-only in a non-rooted device?

How to remount sdcardfs to allow setting file permisions / ownerships?


How to "fastboot flashing unlock" when device has no volume rocker?

What is the difference between fastboot oem unlock and fastboot oem unlock-go?


GIS Point or discrete longitude and latitude columns?


Upgrading Kubuntu from 14.04 Final Beta to Stable

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


implications of using nvarchar(max) with non-indexed fields

Are there disadvantages to using VARCHAR(MAX) in a table?


default file permissions for ftp uploads in ubuntu (vsftpd)


If heat and sound are both caused by vibrations, why isn't sound warm? Or heat loud?


Windos 10 Task Manager's Disk percentage suddenly jumps to 100% with no warning; I've already tried all the usual solutions

Windows 10 100% Disk Usage after Startup


How to install Epson L210 scanner in Ububtu 16.04?

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


PHP how do I store and reuse a reference in object?


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


Getting StreamCorruptedException after closing OutputStream


How to aggregate results from many rows into a single row mysql

Can I concatenate multiple MySQL rows into one field?


Biblatex with Biber: Configuring my editor to avoid undefined citations


Black screen following me whenever I zoom out in blender


Why doesn't Smaug die in the 2nd Hobbit film if it was titled the 'Desolation of Smaug'?


Why is my scanner producing all black images?

HP PSC 1410 all scanner's images are black


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


The most intuitive way to input credit card expiry dates

Best practice: card expiry date on checkout


Too much sugar in soup -- how to make it less cloying?


How to clear cache in centos remote server?

how to drop_caches in OpenVZ centos6 container


Evaluating a function over the rows of a matrix


Can't find the palette to alter new objects


no /dev/*, but /sys/bus/mmc device info on damaged SD-Card


error coding (Object reference not set to an instance of an object)

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


How to write Javascript recipe.components.sort((a, b) => (a.components ? 1 : 0) - (b.components ? 1 : 0)) in Python?

Does Python have a ternary conditional operator?


How to prevent baby falling asleep at breast and keep asleep at bassinet

Baby breastfeeds for only 5 mins before sleeping again


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


Dual boot Windows 8.1 with Ubuntu on last partition with legacy boot mode


MySQL: Split comma separated list into multiple rows


Large text setting from Universal Access doesn't hold on after system reboot

Ubuntu 20.04 interface font too small after restart, even with high scaling factor


What is the MAXDOP value for the server which doesn't have NUMA


Make Enter create new line break inside InputField

How can I make an InputField with a proper newline/carriage return?


Unable to format internal drive as APFS on 2018 MacBook Pro


Cannot get noise free realistic render in blender cycles


Sum of infinite series $1+\frac22+\frac3{2^2}+\frac4{2^3}+\cdots$

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


Does $f(\bar{z}) = \overline{f(z)}$ generally?

Holomorphic functions: is it true that $f(\bar{z})=\overline {f(z)}$?


Can I run an ATmega on 3.3V with an external 16 MHz crystal?


$a\equiv\bar a\!\pmod{\!kn}\Rightarrow a\equiv\bar a\!\pmod{\! n};\ $ $(a\bmod kn)\bmod n=a\bmod n.\ $ Congruences persist mod factors of the modulus


What is standard for OS X filesystem? e.g. /opt/ vs. /usr/


If I know the hash function that produced a hash key, how easily can I generate an input to hash to the same key?

Is a second preimage attack on MD5 feasible?


Polymorphism vs Overriding vs Overloading


How can I instruct listings package to correctly handle SQL comments in external source files?

listings package changes hyphens to minus signs


zsh .zprofile / .zlogin not being sourced on gdm login?

Why GNOME Display Manager always read .profile?


Find all functions $f: \mathbb{R}\rightarrow \mathbb{R}$ satisfying a functional equation

If $f(xy)=f(x)f(y)$ then show that $f(x) = x^t$ for some t


Ubuntu 18.04 - get Ubuntu dock to only display the windows from the current screen (monitor)


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


Stackoverflow Careers Search adding same keyword for each search


Is the MakeFeatureLayer temporary location the same as "in_memory"?

Difference between Make Feature Layer (Data Management) and using in_memory workspace?


Trying to debug NullPointerException when using ArrayList

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


Restrict execution of dynamically loaded assembly

Restrict plugin access to file system and network via appdomain


How to prove that at least two vertices have the same degree in any graph?

If $n$ is a natural number $\ge 2$ how do I prove that any graph with $n$ vertices has at least two vertices of the same degree?


running two commands from a single terminal

How to run multiple commands in parallel and see output from both?


The apk must be signed with the same certificates as the previous version


How to keep font size in document and table same

How to set the same font size for all tables?


ssh-agent stopped working after upgrade to 13.10


SQL select only rows with max value on a column


Short way to solve integration of unique problem of rational function which cannot be solved by substitution

Indefinite integration of $\int \frac{1}{1+\sqrt{x^2+2x+2}}dx$


Are Harry Potter and Ginny Weasley Distant Relatives?


How can the Kandorians(Kryptonians) have their powers?


2 ways for "ClearContents" on VBA Excel, but 1 work fine. Why?


How do I turn off Windows 10 searching the store when I press start and type?

How to disable internet search results in start menu post Creators Update?


My partition table is facing limitations; having problems creating more partitions


Event binding on dynamically created elements?


Why does running the script not show the file in the output folder correctly?

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


I cannot delete a folder because it has endless folders

How to remove an infinitely recurring directory tree?


Looking For Story About Society of People With Deaf-Blindness

Short story about a man visiting a community for the deaf. Ends with them ascending to a higher plane of existence


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


How do I export an animation along with the virtual environment?

How can i render the reflections i see in the Look Dev viewport in Blender 2.8


Object reference not set to an instance of an object test if a button in other Form is cliked

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


Export LyX Math Equation from to Microsoft Word Math Equation

Embed LaTeX math equations into Microsoft Word


jquery .on click not detected on dynamically added content


I have 4TB hard drive, how to use it under both OSX, windows and linux?

Is exFAT now the best choice for an external hard drive that will be used for Windows, Mac, and Linux?


What is physical interpretation of dot product?

What does the dot product of two vectors represent?


Excel Hyperlink formula doesn't work when concatenated with string


Linux Bash: Variable to another variable

How can I assign the output of a command to a shell variable?


R - divide into smaller data frames based on information in a column


Efficient way to find $[\mathbb{Q}(\sqrt{5}, \sqrt{3}, \sqrt{2}): \mathbb{Q}(\sqrt{3}, \sqrt{2})]$


How to give the "Root Element" name in two Words In XML


What are the current state-of-the-art convolutional neural networks?


Movie from the 80s about a guy who becomes invincible

What is the name of an 80s TV Movie where a man gains self-healing and endurance powers after a crash with a vehicle containing radioactive material?


let $\sum_{k=0}^{n}|f_{k}|^{2}=g$ then if g is constant then $\forall k\in[n].f_{k}$ is constant

Show that holomorphic $f_1, . . . , f_n $ are constant if $\sum_{k=1}^n \left| f_k(z) \right|$ is constant.


How to display node details and call function in *.html.twig


Is there a relation between $\rho(A) + \rho(B)$ and $\rho(A+B)$, where $\rho$ is the spectral radius?


high precision subsecond cronjob replacement

Run unix command precisely at very short intervals WITHOUT accumulating time lag over time


When do we double the last letter in the past tense?

In American English, why is the past tense of "plan" spelt "planned"?


Does one's ability to use the Force depend on distance?


JQuery/javascript email validation with regex

How to validate an email address using a regular expression?


How do I draw a badge on my Dock icon using Cocoa?


For close vote privilege users, the Duplicate option repeats

New flagging dialog has a duplicate for duplicate


I need step by step guidence to recover grub


When they say that the universe cooled after the big bang, where did the heat go?


What is the best way to count in a for loop?


Change Mac Address permanently inside /etc/network/interfaces


How Can I Write A Code To Automatically Change Registry Values?


Strictly Upper Triangular $n\times n$ Matrices form a Nilpotent Lie Algebra over $\mathbb{C}$ for $n\geq 2$


“Switch sites” on data.stackexchange.com: icons and labels for SO and Meta SO are wrong

Color of site icons on Stack Exchange Data Explorer is (not technically incorrect but) confusing


Is there a closed formula for this summation?


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


Move Gnome 3.10 window close button to left side

How to switch window controls to the left (Gnome Shell)?


how to select a budget laptop for linux say fedora /ubuntu

Which laptop is most compatible with Linux?


How to enable diffie-hellman-group1-sha1 key exchange on Debian 8.0?


What are some good Numerical Analysis textbooks?

Recommendations for Numerical Analysis texts?


I fear that my hard drive may be about to break

My Ubuntu is running fsck on every bootup


What is the right term for a person who has the ability to put himself in other's shoes and understand their part?

What's a word for the ability to discern another's mental state?


Why is the normalization necesary in Bayesian inference?

Why Normalizing Factor is Required in Bayes Theorem?


What does thread local mean in Flask framework?

What does Thread Local Objects mean in Flask?


How do you determine the size of a file in C?


Waveform issues with inverting amplifier

What did I do wrong? Inverting amplifier 1:1 ratio


Where is Control-V defined? How? Can it be changed?

How to create a shortcut that executes an xdotool command to simulate a key press?


I lost my Minecraft house. How can I find it?


Frame break for long proofs and theorems

Allow theorem split in many frames in beamer


Unable to install Ubuntu Linux 12.04 / 13.04 after downloading file in Windows


If I am now a Australian citizen and I still have a NZ passport

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


"dpkg: error processing package" and "dependency problems; leaving unconfigured" errors when I try to update

"debconf: DbDriver "config": config.dat is locked by another process: Resource temporarily unavailable" while installing packages


what is the difference between local declarations in objective-c

Is there a difference between an "instance variable" and a "property" in Objective-c?


When navigating to #id, element is hidden under fixed position header


why initializing a variable in switch case give me error while compilation

Why can't variables be declared in a switch statement?


How do I use reflection to call a generic method?


Prove that you can choose $ 2 ^ {k-1} $ numbers from $2^k -1 $ integers so that the sum of them is divisible by $2^{k-1}$

Use Pigeonhole to show of any set of $2^{n+1}-1$ positive integers is possible choose $2^{n}$ elements such that their sum is divisible by $2^{n}$.


Worm type bug inside of stick? What is it?

Identifying a creature that appears to be a worm wrapped in a cocoon


Leave Open link in Vote to Close dialog box

Allow voting "Vote to not close" from the question without being in a review


CompiledFunction with multiple outputs of different ranks

How to force Compile to return multiple results?


Java FilterInputStream problem with reading bytes

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


Rolle's Theorem and the Mean Value Theorem


How can I check for "undefined" in JavaScript?


Moment of inertia of a rotating black hole

Do black holes have a moment of inertia?


How can I view man pages for apps installed via snaps?


How to know if Ho-oh or any other legend is legitimate?

How can I tell whether Pokémon were hacked/cheated?


What can I do if my paper doesn't fit any arXiv category?

Preprint services other than arXiv (for other fields)


What are the sources of the popularity of the urban slang term "shank"?

What is the etymology of the word "shanked"?


Eclipse Dex Loader Error (Multiple dex files define )

Unable to execute dex: Multiple dex files define


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


How to enqueue script or style in a theme's template file?

Where is the right place to register/enqueue scripts & styles


Multivariable limit - perhaps a trickier problem I am stuck on.


How to choose the window size of Parzen-window density estimation with Gaussian kernel?

Choosing a bandwidth for kernel density estimators


Reprojecting raster from 0 360 to -180 180 with cutting 180 meridian using gdalwarp


Drag and drop video into OR drag and drop video in to

When should "into" be used rather than "in to," and vice versa?


Can I get turned around backwards in time?

What would a closed timelike curve look like?


If a massless observer is going at the speed of light, what speed will it measure of a light beam going parallel to it?

Does a photon in vacuum have a rest frame?


ConcurrentModificationException when removing an object from ArrayList

Getting a ConcurrentModificationException thrown when removing an element from a java.util.List during list iteration?


How can I convert a node made material into an image texture?


Migrated question's answers can be upvoted twice by the same user


drawing a perpendicular from a side of a triangle to one of its vertexes

Drawing a perpendicular line with the package tkz-euclide


How Far is it recommended to show large table content on mobile browsers

How should large table columns be handled on a responsive design?


Story about a world of magic where science has been forbidden

Book about mages who can harvest magical energy from the environment


Does a login need to be created on MSSQL Always On replica before being granted roles on the primary?

Logins aren't syncing across Availability Groups


Plot Legends in 3D Parametric Plot with Color Function

PlotLegend disappears if Plot is used with ColorFunction


Length of the Union of Intervals is less than the Sum of Each Length of Intervals?

The length of an interval covered by an infinite family of open intervals


How Can i Convert Below mysql script to mysqli or pdo?


SObject row was retrieved via SOQL without querying the requested field - In visual force Commanlink action

System.SObjectException: SObject row was retrieved via SOQL without querying the requested field: Employee__c.Name


Why is Swift giving me inaccurate floating point arithmetic results?


Eevee not rendering properly if High Quality Normals isn't checked

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


Stack Egg - Force restart only if restart gains majority vote (at least 66% of total votes)

When something that was supposed to be fun became not fun


What does "@" at the beginning of a command name mean?


How to avoid reflections on glass pane in museum?

How can I take a picture through glass without glare?


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


Integration of $e^{ax}\cos bx$ and $e^{ax}\sin bx$


Is 31 the only number that can be represented by two distinct sums of consecutive powers of primes?


What does velocity relative to CMB mean?

Is the CMB rest frame special? Where does it come from?


Gradient of a system of differential equations

Solving a system of non-linear equations and obtaining a phase portrait


Can tomato sauce with cooked pork in it be eaten after sitting out in pot and a/c overnight?

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


Handling special character input for data selection

Escape a string in SQL Server so that it is safe to use in LIKE expression


How to zip multiple directories into individual zip files

command to zip multiple directories into individual zip files


Word for people who like to spend money?

A single word for someone who spends their wealth very foolishly


How can I switch from intel integrated graphics to nvidia GeForce 940mx without breaking X?

How can I switch back to Nvidia card from Intel with Nvidia-prime


Coming from a programming background, where should I start to learn web design?


Some Polygons disappear, when import to Unity trough FBX


Python, want logging with log rotation and compression


Merge 2 variables into 1 string and then treat that string as a variable

Is there a way to access a javascript variable using a string that contains the name of the variable?


Firefox developer tools adding a new rule?


Are farmers needed once the harvest is complete?

Which jobs are dependent on seasons and how?


Prove that for any two sets $|X|$ and $|Y|$, either $|X|\leq|Y|$ or $|Y|\leq|X|$.

Proving $(A\le B)\vee (B\le A)$ for sets $A$ and $B$


Cycles: Shadeless "Shadow-catcher" Material for Rendering onto Footage


Apache http libraries NoClassDefFoundError

Why am I getting a NoClassDefFoundError in Java?


Inclusion of dshow.h results in definition errors


How to extract distribution information from descriptive statistics?

How to do estimation, when only summary statistics are available?


Why are "Questions that may already have your answer" search results better than the actual search results?

Link up the excellent search engine that gives "Questions that may already have an answer" with the search box


Why can templates only be implemented in the header file?


How to access static int from nested class?

Undefined reference to static class member


Why is using std::string still needed after #include ?


How to get a Wayland session in Kubuntu?


Does catch streaks increase the odds of finding a shiny in Pokémon go?

What affects the chances of a shiny pokemon encounter?


In Death Note, is it ever revealed what "L" stands for?


Environment texture having very low resolution in reflections


Prove that $8(5)^n+6(3)^{2n}−80n−14$ is divisible by $512$ for all $n\in\mathbb{N}$ by induction.

Prove that $8(5)^n + 6(3)^{2n} - 80n - 14$ is divisible by $512$ for all $n \in \mathbb{N}$ by induction.


Sass .scss: Nesting and multiple classes?


How to compile an assembly file to a raw binary (like DOS .com) format with GNU assembler (as)?

How to generate plain binaries like nasm -f bin with the GNU GAS assembler?


Shading for my hands geometry is different to rest of model


Prove that a primitive root of $p^2$ is also a primitive root of $p^n$ for $n>1$.

If $g$ is a primitive root of $p^2$ where $p$ is an odd prime, why is $g$ a primitive root of $p^k$ for any $k \geq 1$?


Java error Exception in thread "Thread-2" java.lang.NullPointerException

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


Paypal IPN Broadcast to multiple websites


Queries on declaring & initialising string and also string memory region

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


how to hide javascript from view source or block the url when someone tries extract the js file using URL

How can I obfuscate (protect) JavaScript?


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


How do I install Ubuntu to another partition from within Ubuntu?

How do I install Ubuntu to another partition from Ubuntu with Unetbootin?


SQL Server 2019 Database stuck In Recovery state after restart


Finding the following integral $\int_2^{\infty}\left( \frac{1}{x\log^2x} \right)^pdx$

$\int_2^\infty \left(\frac1{x\log^2x}\right)^p\mathrm dx$ diverges for p>1


Ubuntu doesn't boot after making a system back up

"dev/sda1: clean, ..." This message appears after I startup my laptop, then it won't continue booting


How to get group of fields with all results, less than all etc

mySQL SELECT FROM table WHERE ... AND ... AND ... AND


If $\sum a_n$and$\sum b_n$diverge, can$\sum \min\{a_n,b_n\}$converge?

find examples of two series $\sum a_n$ and $\sum b_n$ both of which diverge but for which $\sum \min(a_n, b_n)$ converges