How can I append Mathematica variables to an output file preserving both names and values?

How do I save a variable or function definition to a file?


What software can I use to make 3D screenshots?


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

Using a bootable live cd disk image mounted on the hard drive


How i can except a column from select * in mysql


How to avoid ArrayIndexOutOfBoundsException or IndexOutOfBoundsException?


Short circuit logic in PHP and effect of parallel processing issues


Can I force Windows to prefer a specific network adapter for Internet?

How to tell Windows 7 to ignore a default gateway


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


calling setter function ruby (see comment after fname=(fname)

Why do Ruby setters need "self." qualification within the class?


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


How can a human expand their lifespan in Pathfinder?


Word or phrase for "people who fake niceness temporarily to get benefits"

One who expresses (or the act of) feigned sympathy/interest in hopes of being recognized for it


How should I "sanitize" my data inputs to fight against SQL injections?


How do I iterate over keyframes in python?


How to make Vim understand that *.md files contain Markdown code, and not Modula-2 code?


What is the easiest/best/most correct way to iterate through the characters of a string in Java?


What is the difference between $CMD and eval $CMD?

How can we run a command stored in a variable?


What is the correct answer for cout << a++ << a;?


How to update from 15.10 to 16.04 without losing the data?

How do I upgrade to a newer version of Ubuntu?


What do the interconnection symbols mean on the MTR (subway) map in Hong Kong?

Does the Hong Kong metro map give interchange direction suggestions?


Deserialize JSON into C# dynamic object?


Best Practices for preventing you from looking like a spammer

How to send emails and avoid them being classified as spam?


Show that $k[x,y]/(xy-1)$ is not isomorphic to a polynomial ring in one variable.

Show that quotient rings are not isomorphic


How do you make the bezier curve radius larger?


"warning: File system `ext2' doesn't support embedding." but my system isn't embedded either, why is grub trying?


Where should I ask questions about hardware?


MLE of mean of normal distribution using the number of observations above zero

Can I find MLE of probability of X greater than x


If card(A) > card(B) then there is no surjection from B onto A, w/o AC.

Without AC, it is consistent that there is a function with domain $\mathbb{R}$ whose range has cardinality strictly larger than that of $\mathbb{R}$?


How do I reformat my hard drive to NTFS?

How to remove Ubuntu and put Windows back on?


String Manipulation insert a character every 4th character

Putting char into a java string for each N characters


What are the options for audio equalizers in Ubuntu 15.10?


Can only Extrude or move vertices/edges in a pre-set distance

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


Sometimes, when I delete a post of mine, it does not disappear like most. Why?

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


When should \cdot be used to indicate multiplication?


How to show 'similar' commands when you forget the exact command


Including an image in the caption of a figure


How to keep c++ from adding extra decimals when casting from float to double (not for IO)?


Negating ")" inside a regex search pattern


By the side of / by / beside / next to / close to


Avoid replication when importing a base partial scss

SASS - use variables across multiple files


Getting rid of youtube.com's recommended videos/channels


When would you use a WeakHashMap or a WeakReference?


List of lists changes reflected across sublists unexpectedly


Show that $R[x]/(x^2-c)$ is a Dedekind domain

Why is $\mathbb{C}[x,y]/(y^2 - x^3 + 1)$ normal?


C++ error: invalid conversion from Inheritance

How to make an array with polymorphism in C++?


How to show an object value in for loop in java script

How do I loop through or enumerate a JavaScript object?


Should Spanish SO ( and all the similar variants) be closed?


Printf builtin vs binary in Ubuntu server 18

Why is there a /bin/echo and why would I want to use it?


Evaluating $\lim\limits_{n\to\infty}\{(2+ \sqrt{3})^n\}$, where $\{x\}$ is the fractional part of $x$

How to compute $\lim\limits_{n\rightarrow \infty} \{(2+\sqrt{3})^{n}\}$, where $\{x\}$ is the fractional part of $x$?


Shadow impact of building on certain area


the rest of her family was or the rest of her family were

Which is correct: The rest of the staff is or are? The rest of my family is or are?


Explain about java continue & break the following code briefly

What is the "continue" keyword and how does it work in Java?


How can I vertically align subfigures of different size without affecting subcaptions?


Why doesn't my Manipulate expression work?

Variable name with subscripts in Manipulator[], is it possible?


How to report time and other information on all bash commands?

Forcing an 'added' alias to every command


Getting second last parameter from querystring with PHP


Best way to extract values from a list of rules?


Alexa ranked dropped by a million since last week

How can I increase the traffic to my site?


Is my USB dead or just really hard to get into?

What can I do if my USB flash drive is write-protected or read-only?


Number of solutions in a field of order $32$

Number of solutions for the given equation in finite field of order 32.


Ubuntu 16.04 - Could not get lock /var/lib/dpkg/lock

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


Unable to authenticate via OpenID with pip.verisignlabs.com


Punctuation question: for the first time

Parentheses vs. double commas vs. dashes to provide additional detail


Which continuous function satisfies $\int\limits_0^x f(t) dt \ge f(x)$ for all $x$ in $[0,1] $?

$\int_{0}^{x} f(t) dt \ge {f(x)}$ holds or not on $[0,1]$


Is this proof correct or incorrect? If not what is the mistake?


I downloaded ubuntu but I also had to download WinZip in order to complete the download?


What are the criterias to make a question a duplicate question?

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


git wont allow me to create empty directory

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


How to make authentic black Russian bread?

How do I make authentic Russian black bread?


Baby born in UK. Can it travel to the USA on a British passport before getting a USA passport/SSN?

Child who entered under ESTA/VWP accompanying US citizen mother


I made a partition on my nvme disk for installing ubuntu and make a dual boot system with Windows and ubuntu

How to use manual partitioning during installation?


Bone Heat Weighting Failed, no solution works

heat weighting: failed to find solution for one or more bones


Disable monitor going into sleep Ubuntu Desktop 16.04 LTS

How do I disable my system from going to sleep?


How do I make animations a steady speed?


How do I diff two text files in Windows Powershell?


Is it possible to make a sequence of renders and give the user the option to cancel the process through the UI at any given time?


How to teleport a player forward in the direction they're facing?

What are the basics of commands in Minecraft Java Edition?


Can somebody make it clear that when to use the average and when to use the mean?


QPyNullVariant not recognized outside of QGIS

PyQGIS couldn't import processing with standalone script


How do I increase my internal Kubuntu partition size? (in dual boot with windows)


INSTALL_FAILED_DEXOPT and INSTALL_FAILED_UID_CHANGED when run application from android studio


How can I deduce/identify an app from a notification icon?


English equivalent of *refrán*, which is less formal than a proverb

Word for a phrase that is very commonly used to describe something


Showing that the integral with respect to an abstract measure is infinite

A set with a finite integral of measure zero?


C++ - set base class vptr without constructor?

What uses are there for "placement new"?


Could anyone tell me why my code is producing an error?

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


How do I resolve this installation error?


How to create a swap partition (no free space left)

How do I add swap after system installation?


Bibliography: latex error something's wrong--perhaps a missing item


how to pass a variable into an regular expression in javascript


Is it possible to add an HTML link in the body of a MAILTO link


Efficient way to sort a column of 2D array

How do I sort a two-dimensional (rectangular) array in C#?


Drupal automagically changing password hash

Password Gets Reset when executing user_save


Why does TeX Live "require" yearly updates?


Why are all the textures in my file pink?


Span of Polynomials in $\mathcal{C}(\mathbb{R})$

$\operatorname{span}(x^0, x^1, x^2,\cdots)$ and the vector space of all real valued continuous functions on $\Bbb R$


What to do with an Ubuntu disk image that appears as a WinRAR file?


The origin and meaning of the word "copacetic"

How did the word "copacetic" come into use?


Resize root partition from home partition space ubuntu 18.04

Resize root partition from home partition space (swap in the middle)


What does it mean for two functions to be orthogonal?

What should we understand from the definition of orthogonality in inner product spaces other than $\mathbb R^n$?


How many ways can I arrange the numbers $1$ to $N$ with this divisibility condition?


If Git finds merge conflict, how can i fix that in revision control?

Git workflow and rebase vs merge questions


Confusion related to proximal newton method


How to use htaccess to redirect from www to non-www version of the site

What are the most commonly used and basic Apache htaccess redirects?


Is redeeming game codes on Steam dangerous?

What are the dangers of accepting gifts from unknown accounts on Steam?


How to call a python script in backend in flask

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


error while executing do in background android

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


Every group of order $56$ has a proper non - trivial normal subgroup?


The ratio of people who ask questions / people who answer questions

Statistics for ratio of questions to answers


I vs myself when talking about 3 people (including me)

When is it correct to use "yourself" and "myself" (versus "you" and "me")?


Replace Ubercart radio button with image?

Images instead of radio buttons or dropdown list?


Why is the output different in both cases comparing floats


How to get ASMX generated WSDL soap:address to use https

How to change the address location of my wsdl


Show $52$ has an inverse in the multiplicative group modulo $109$

Solving linear congruence (modular inverse or fraction) via gcd Bezout equation


What problems will I face if I dual boot Windows in UEFI mode and Ubuntu in Legacy mode?


application of Ampere's circuital law for finite thin straight current carrying conductor

Ampere's circuital law for finite current carrying wire


Visit visa for the UK. Currently unemployed but I have sufficient bank balance

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


How to calculate the mean from bin endpoints and frequencies?

Standard deviation of binned observations


How do you fix a bad merge, and replay your good commits onto a fixed merge?


Can I add jars to Maven 2 build classpath without installing them?


Use a class that is declared after in the code, in other class


Autograph on passport visa page. Can I travel to the US?

Will doodling on my passport make it invalid?


How to access files of Windows using bootable Ubuntu flash drive


\phantom causes a spacing issue between paragraghs


Win32com Save PDF to XML with Acrobat Pro X > com_error "-2147467263, 'Not implemented'"

"Not implemented" Exception when using pywin32 to control Adobe Acrobat


how to count same values are exists in my record

Using Count to find the number of occurrences


I modified sudoers. All users can not use sudo now. How should I fix this?

How to modify an invalid '/etc/sudoers' file?


show that there's a linear ordering such that $R \subseteq R^*$

Every partial order can be extended to a linear ordering


What is the purpose of Jordan Canonical Form?


What is the purpose of the single underscore "_" variable in Python?


Should votes be unlocked after comments, not just edits?

Undo an up/down vote after a comment is left


trying to install wine 5.0 on ubuntu 18.04

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


How to format date and time string in C++


Why do my photos appear more in focus when I use a long exposure?

What is aperture, and how does it affect my photographs?


Find all matrices [3x3] that commute with given matrix


Can you help me with my software licensing issue?


I'm confused by the formulas for power gain decibels and voltage gain decibels

Confusion between Voltage gain & Voltage gain in decibels (dB)


Numbering rows within groups in a data frame


Is there a difference between RAID 10 (1+0) and RAID 01 (0+1)?

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


Google Indexing Stopped at 100,, yet it has over 20,000 pages. Can someone kindly inspect for me this sitemap and robots?

Why isn't my website in Google search results?


Interval preserving transformations are linear in special relativity


Using 'she don't care' in The Beatles' song 'Ticket to Ride'

Is "she don't" sometimes considered correct form?


Proving the AM-GM inequality for 2 numbers $\sqrt{xy}\le\frac{x+y}2$


Cross-referencing issue with subcaption in beamer


SQL Server Standard 2016 Service Pack and Cumulative Update

Apply SP3 on SQL Server 2012 AlwaysOn AAGs


How to show progress bar in windows application?


Can a "rage quit" link be added to allow suspended users to delete their accounts?


Visa needed or not for a transfer between Paris airports?

Does one need a visa to transfer between two airports during a transit through the Schengen area?


Stream uploading file to S3 on Node.js using formidable and (knox or aws-sdk)


Name for pairs of words with a strong association?

Is there a term for words that have a single meaning or are only used in a single context?


Why are so many Star Wars species so similar in external anatomy?

Do characters in Star Wars address how odd it is the universe is filled with humanoids?


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


increasing density of beam light in volume rendering

Using volumetrics in Cycles I have to have the light strength super high


if n^3 has a fast rate of growth than n^2 i.e. O(n^2)<O(n^3) then why is n^2 better than n^3?

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


Why won't Photoshop Elements recognize my Nikon D7000 raw files?

Why don't Lightroom or PSE recognize CR2 files from my Canon 7D mk II even though they are up to date?


Installing php5 gives "Package has no installation candidate"

Getting error from apt-get when trying to install php5 package


Where does $(A\Delta B)\Delta C = ((A\Delta B)\cup C)\cap ((A\Delta B)^c \cup C^c)$ come from?

Associativity of symmetric difference of sets


How to do modular arithmetic with a negative n

Why 9 mod -7 = -5? Quotient and remainder with negative integers.


How can we increase the height of a Quick Action?

Resizing of Lightning page that popups from Quick Action Button


What is the meaning of the " 's " in this sentence?

When is a gerund supposed to be preceded by a possessive adjective/determiner?


When I have 2 Ubuntu versions, Can I uninstall one of them?

How do I delete one of two Ubuntus on my PC


How is it possible that momentum is conserved but kinetic energy is changed?

How can momentum but not energy be conserved in an inelastic collision?


Where are the user friendly Wi-Fi names in Ubuntu 17.10?

Changing Network Interfaces name Ubuntu 16.04


CSS background-image width 100% height auto

How to get div height to auto-adjust to background size?


How to convert from one grading scheme to another?


Compartmentalized Building using Scripts

How can I reuse existing materials, objects, etc from an existing .blend?


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


Cannot convert String to Integer in Java

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


Parameters pass by value vs parameters as local variables in Javascript

What is the scope of variables in JavaScript?


Practical description of LOESS and smoothing splines?


C++ Implement MVC error: 'View' does not name a type

Resolve build errors due to circular dependency amongst classes


Unable to paste from Linux PC to USB flash drive, but from another Windows PC it works, until repairing the USB drive

Why does my NTFS partition mount as read only?


Android Development Tool 23.0.0 and Android L Update error in eclipse

Update Eclipse with Android development tools v. 23


Is there a way to edit a symlink without deleting it first?

Can you change what a symlink points to after it is created?


$I_m - AB$ is invertible if and only if $I_n - BA$ is invertible.


in c# code why below copy didn't work as reference copy?

What's the difference between struct and class in .NET?


Turn Off Device Enrollment Notifications

Turning off Device Enrollment Notifications on MacBook Pro


How is Gauss' Law (integral form) arrived at from Coulomb's Law, and how is the differential form arrived at from that?


As I expected / had expected / have expected


Is there a better way of setting this tree?


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


Changes to "close as duplicate" (part deux)


I want date instead of datetime from my table in sql server?

How to return only the Date from a SQL Server DateTime datatype


How can I schedule my display to wake up?

How can I wake-up a PC using a command? (i.e. equivalent to moving a mouse, etc)


How share WiFi's internet as hotspot in 16.04

How to set up a wi-fi hotspot with an Ubuntu laptop (access point mode)?


How do i make it say Hi in chat on Minecraft?


Ways to respawn Ender Dragon after it has been killed


Refusal of UK tourism visa due to wrong salary calculation

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


How to start a bounty on the stackexchange Android app

Allow adding bounties from the Android app


Can I use this third party charger for my Asus laptop?

Can I safely charge my laptop with a non-standard, third-party charger?


What causes the gap in shadows underneath an object?


Why do I see a double variable initialized to some value like 21.4 as 21.399999618530273?


How do you repair an "input/output error" in an NTFS partition?


Why is my object exporting into keyshot like this?


Translating multidimensional hash in Perl to Python dict

What's the best way to initialize a dict of dicts in Python?


Prove that $a + 2b \equiv 0 \bmod 3$ is an equivalence relation

Show that conguence $\bmod m\,$ is an equivalence relation


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


Name of book that includes giant space creatures, resembling manta rays, that eat solar fuel and kill stars

What science fiction saga has species at war over different kinds of stars?


Why doesn't my function skip trying to resolve to the incompatible template function, and default to resolving to the regular function?

Why can't a template function resolve a pointer to a derived class to be a pointer to a base class


My tea had expired(?) for about 9 years already, can I sill use it?

My tea bags are expired, can I still use them?


FindFit returns Infinity::indet error when data contains {0,0}


Making a recursive CTE like query, but for many records


How can I get two xbox360 consoles to have open NAT type using the same router?

How can I get two Xbox 360's to be in "open nat" mode behind the same router?


Doubt in raising a power to a complex number


How do you prove the eigenvalues and eigenvectors of matrices are the same?

similar matrices have same eigenvalue... stuck


How to obtain covariance matrix eigenvalues from singular values?

Singular values of the data matrix and eigenvalues of the covariance matrix


Error LNK2019: unresolved external symbol "blah" referenced in function_main

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


How to get around array.equals(otherArray) evaluating to null?

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


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


How to model and generate forecasts for time series with missing observations?

Is there any gold standard for modeling irregularly spaced time series?


Telescoping series of form $\sum (n+1)\cdots(n+k)$

Finding a closed formula for $1\cdot2\cdot3\cdots k +\dots + n(n+1)(n+2)\cdots(k+n-1)$


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


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


Rotation and translation of a conic-section


What is the difference between "did" and "have done"?

Canonical Post #2: What is the perfect, and how should I use it?


Why does the "LaTeX" logo have random capitalisation and letter height?

What is the meaning of moved letters on LaTeX logo?


Wave simulation without reflection on the boundaries

What boundary conditions in a wave simulation would avoid reflections?


Fantasy book trilogy with VR game. Protagonist is a bard

Full body VR sim where characters are trapped in a fantasy world


Special page for table always goes to end. How to place it in between

Keeping tables/figures close to where they are mentioned


Does the time a user spend on your site affect your Google ranking?

What will result in better page ranking in search results: Page views or time spent on page?


How can I convert string to datetime with format specification in JavaScript?


How do I run python code in ubuntu 14.04


Convert from MySQL datetime to another format with PHP


Axiom of Choice: Family of non-empty sets mutually disjoint or not?


java.util.ConcurrentModificationException when iterating through MutableList in Kotlin

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


Can 'being' be omitted in this sentence?

"Not being good at swimming, he didn't like it." Could we omit the word "being" here?


Travelling to the US with codeine-based medicines


How to overlay an image on camera view for iPhone?

Ios creating simple camera overlay in Xcode how?


How to typeset row operations on augmented matrix


Do characteristic functions characterize the independence of random variables? [Solved]

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


How to uninstall a program installed through Wine


What is the best category to ask questions about algorithms(C,PHP...)?

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


Still usage without are or is and the -ing form, not related to adjective without a verb


How to open *.sif files with Mathematica

Import camera parameters and data from *.sif image files?


Certain Mathematics symbols in Graphics labels

Create complicated text formulas in graphics


simple convergence test $\lim_{n \to \infty} \frac{2^{n+1}+3^{n+1}}{2^n+3^n}$


Limits and exponential: $\lim\limits_{x \to\infty} (x-x^2 \ln(1+1/x))$

How do I determine $\lim_{x\to\infty} \left[x - x^{2} \log\left(1 + 1/x\right)\right]$?


Prove that if $R$ is a commutative ring, then $R[x]$ is never a field

Why can't the Polynomial Ring be a Field?


How does stringByReplacingCharactersInRange work in swift?

Using stringByReplacingCharactersInRange in Swift


Without header(stdio.h) file, how can the following code run?

Why is #include  not required to use printf()?


Ubuntu 16.04 - Where is the "make link" command now?

What happened to the Nautilus feature "Create Link" in Ubuntu 16.10 and newer?


Do I need uplay in order to play Ubisoft games bought on Origin?

What is Uplay? Can I play Ubisoft games without it?


How to test ParseException that is thrown by SimpelDateFormat?

How do you assert that a certain exception is thrown in JUnit 4 tests?


$H$ is a normal subgroup which is not closed. How to prove the quotient group $G/H$ is not Hausdorff.

G/H is Hausdorff implies H is closed (General topology, Volume 1 by N. Bourbaki)


Importing Finder Folders to Albums in Photos app

Photos for OS X: How to generate album automatically at import


How can I make a deep copy in Objective-C?


FFMPEG add audio to a video but clip it to the video length


C#: format a datetime to ISO format. "scheduledDateTime":"2015-04-09T01:00:00.000-0400" for EST

Given a DateTime object, how do I get an ISO 8601 date in string format?


What is the best way for show a table on mobile app?

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


How to install driver for Broadcom Dell Wireless 1390 WLAN Mini Card


Validate decimal numbers in JavaScript - IsNumeric()


How do photons know they can or can't excite electrons in atoms?


Assigning element to a 2D list also changes another list

List of lists changes reflected across sublists unexpectedly


The displayed gig in flash drive does not equal in its system properties

Why is the effective hard drive size lower than the actual size?


Authentication to Upgrade from 14.04 to 16.04

How do I reset a lost administrative password?


How can I set up password-less SSH login?


auto-open a question if it has a very high amount of upvotes

Question is very popular but closed (not constructive) - Shouldn't it be reopened for users' benefit?


Should we make it a general practice to cross-dupe or migrate all technical meta-questions to Meta SE?

Could we allow child Meta questions to be closed as duplicates of Meta.SE ones?


How to deal with schemes of curly braces


I have been taking these pills for 3 days


non-static variable this cannot be referenced from a static content Java

Non-static variable cannot be referenced from a static context


How do you delete your account at Area 51?


What are this "equations" on door's frames in Germany?

What does "K+M+B 2016" mean in when written on a church wall?


Using extern with two cpp files and a header c++

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


Conference/Journal publication author's name (surname)?

If I publish under a pseudonym, can I still take credit for my work?


What is the Name of the 'cursor' in this sub menu?


Flying AKL - LHR with layover in LAX, do I have to go through passport control?

Do I need a US visa to transit (or layover) through an American airport?


How to use join() function in a Smarty template?

How to convert an array into comma separated strings in smarty template?


why can't I create a method in the main method

Writing a function inside the main method - Java


How is it possible for a word to display in Google organic results, when that word is not present in the HTML document?

Google shows "Widget tips" instead of "Widget" as title, but I don’t use this term anywhere


Make the keyboard shortcuts activation global

New global preferences: keyboard shortcuts and sticky topbar


Is being a Cauchy sequence equivalent to $ \lim_{n\to+\infty}d(x_{n+k},x_n)=0$ for every $k$?


Proof that If Two Homogeneous System in two unknowns has the same solutions, they are equivalent

Proving that two systems of linear equations are equivalent if they have the same solutions


Is there any relationship to light and gravity since both propagate at the same speed in a vacuum?


Can Alert prevent Surprise if you don't know the enemy exists?

Can Alert prevent Surprise if you don't know combat is occurring yet?


NULL REFERENCE EXCEPTION Object reference not set to an instance of an object


How to track file modifications in unix?

How to monitor a complete directory tree for changes in Linux?


Why am I punished for someone else's poor answer

Why is downvoting a question free but downvoting an answer not?


Broken blog link on pages with lists of moderators


How to show $A\times (B\cup C) = (A\times B)\cup (A\times C)$

Union of Cartesian products: $X \times (Y \cup Z)= (X \times Y) \cup(X\times Z)$


Attempt to invoke virtual method 'void androidx.appcompat.widget.ShareActionProvider.setShareIntent(android.content.Intent)

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


Recommend some advanced books on the standard model?

Books for particle physics and the Standard Model


How can black hole get mass if nothing can pass its event horizon?

How can anything ever fall into a black hole as seen from an outside observer?


How to stop smoke simulation from rising?

Can I influence the direction in which fire and smoke dissolve?


Stack Implementation Null Pointer Exception


Cannot open GUI apps with sudo (Ubuntu 17.10)

Why don't gksu/gksudo or launching a graphical application with sudo work with Wayland?


Do laptop users experience purple blank screen sometimes after logging in to 18.10?

Ubuntu 18.10 shows black screen with blinking cursor after I rebooted a Thinkpad with hybrid GPUs


How to display Chrome window only on active screen

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


Getting error while installing Pop OS [Ubuntu to Pop OS]

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


When do I apply Significant figures in physics calculations?


Prove identity $\sum_{k}{n\brack k}{k\brace m}=\binom{n}{m}\frac{(n-1)!}{(m-1)!}$

Use combinatorics to prove $L\left(n,k\right)=\sum_{j=0}^{n}{ n\brack j}{j\brace k}$


If maximum value of $\int_0^1 (f(x))^3dx$ under the condition $-1\le f(x) \le 1$;$\int_0^1 f(x).dx=0$ is $\frac pq$, find $p+q$

Finding the maximum value of $\int_0^1 f^3(x)dx$


Unable to mount Windows (NTFS) filesystem due to hibernation


Reputation graph doesn't load with large range

Rep graph overview thing™ is white (only in latest Chrome)


Getting the count of a shortcode that is nested


In Java what is the absolute simplest way to create a string of random alpha numeric letters?

How to generate a random alpha-numeric string


Blank screen after installing nvidia restricted driver


Convert a unix timestamp to a human readable date in PHP?


What is the distribution of order statistic of Uniform distribution?

Spacings between discrete uniform random variables


why use var slice instead of Array.prototype.slice in a closure?

Is a closure for dereferencing variables useful?


Writing shapefile of multiple geometry using Python

Merging shapefiles with different geometries (point and polygon) to get single layer with multiple geometries?


calling async/ await via multiple methods

What is the purpose of "return await" in C#?


How long do you get to use a UK standard visitor visa from time of issue or is it valid for entry indefinite


redefining the \textit command to use a custom italic font

How to choose a specific weight from a font family using fontspec and XeLaTeX


how to get status and category value based on zone name in idea object salesforce


Are there any simple rules for choosing the definite vs. indefinite (vs. none) article?


Is there a difference between Therefor and Therefore?


Where can I find the official TeX Live 2016 distribution for Unix?

How to install a package from an older version of TeXLive?


Event binding on dynamically created elements?


What is the probability of getting one of each 10 different figures if we bought 25 pack?

Probability distribution in the coupon collector's problem


How do i unescape HTML Entities in JS? (change < to <)


Fadein With JQUERY on click with external html file


Python returns wrong result for float addition


How to change value of ArrayList element in java


Looking for a story, from maybe the 1960's, in which an experimental world is rapidly evolved to solve problems

Man creates miniature population on different time-scale; uses them to invent the 'absolute protection' dome


Java test adding values from an Enum to an arrayList

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


What is the executable opcode for Qiskit quantum hardware, as the quantum circuits or the transpiled/compiled QObj/ QASMQObj are assembly languages?

Physical implementation of gates on IBM Q


Android- Unable to show received location values due to java.lang.NullPointerException


UK citizen Entering the UK on a one way ticket and US passport


Updates still coming in even after Firefox purged

Stop the Ubuntu updater from nagging about Firefox English Language pack even after uninstalling Firefox


Apparmor not starting with kernel LSM error


Proving Identity In Combinatorial and Algebraic Way

Induction: $\sum_{k=0}^n \binom nk k^2 = n(1+n)2^{n-2}$


Find all positive integers $n$,$m$ with $n! = \frac{m(m-1)}{2}$


How to dynamically refer to nodes within tikz environment?


Can anonymous class implement interface?


I may be stupid but I can't find my terminal window, I just installed version 12.04.3, Help

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


Why do the two slits of a double slit experiment not make light coherent and create an interference pattern if monochromatic light is passed through?

Is coherent light required for interference in Young's double slit experiment?


Printer no longer works after Ubuntu 20.04

Install printer Canon MP280 on ubuntu 20.04


MTG question about stack/effect resolving

Does an ability resolve if the source of the ability leaves the battlefield?


Is the US ESTA (Electronic System for Travel Authorization) a visa?

In practice, what is the distinction between ESTA and visas?


Simplification of $\displaystyle{0 \binom{n}{0} + 2 \binom{n}{2} + 4 \binom{n}{4} + 6 \binom{n}{6} + \cdots}$

How do I prove $2 \binom n2 + 4 \binom n4 + 6 \binom n6 + \cdots = n 2^{n-2}$


Prove that for $n \geqslant 1,$ the integer $n(n+1)(2 n+1)$ is divisible by 6

How to show $n(n+1)(2n+1) \equiv 0 \pmod 6$?


File size different between Explorer and Hard drives Properties

Why is the folder size (in properties) different from the total file/folder sizes in the folder?


After upgrading from 13.04 to 13.10 I get a black screen (ubuntu)

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


$\exists S \subset \mathbb{R}$ s.t. every $x \in \mathbb{R}$ can be represented as a unique linear combination of numbers with rational coefficients


The number of posts to review stopped making any sense since I hit 10k rep

What does the number next to the review link in the top bar actually mean?


How to remove an accidentally dropped file shortcut icon from Finder toolbar?


Do While loop terminates and doesn't execute scanner function


Hunting for a short story about earth having been isolated from the galactic civilization

Looking for identification of SF story where humans are the "ancient evil"


Active Directory DNS and Forest Root Domains


using Blender with anycubic photon printer

Scale settings for exporting to STL (for 3d printing)


Determine affected file given logical block number

Find which files are affected by bad blocks on ext4 filesystem


What does the Active image on my flag indicate?

What does "active" mean in my flagging summary page?


How to Detect Windows Operating System Type

How to detect Windows 64-bit platform with .NET?


C# .NET Create a DateTime object in UK timezone (I am in Central US)

Creating a DateTime in a specific Time Zone in c#


Positional arguments when sourcing (.) a file in sh/bash

Parameters passed to a sourced script are wrong


Center floated elements when one after the other


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


how to changes the sudo password and to know it when it had been forgotten?

How do I reset a lost administrative password?


Creating a GMAIL filter that shows all of the "important" emails that are unread and not archived

How to use boolean AND and NOT operators in Gmail search


How to download all required Ubuntu drivers


Is it possible to put more than one Pokemon in a gym?


Number of Qubits Required for Simulation of Caffeine and Penicillin Molecules


Function not being evaluated inside NIntegrate

NIntegrate evaluates its 1st argument while it has the attribute HoldAll?


I'm getting an error that is not allowing me to print out a sorting list


How to get the python.exe location programmatically?

Find full path of the Python interpreter?


How to correctly use cookies? (Twig and cache context)


Prove that the order of $GL_{2}(\mathbb{{F}_{p}})$ is $p^{4}-p^{3}-p^{2}+p$.

Order of general- and special linear groups over finite fields.


Is it wrong to take someone else's answer from a comment and post it yourself?

Is posting someone's comment as an answer okay?


jQuery on keyup/change with dynamically-generated content

Event binding on dynamically created elements?


How to make both `x` and `y` axises look in same scale?

Change the height of a function being plotted


Which animation method to use in blender for later use in Unity?


Isomorphic Lie Algebra $so(4)$ and $su(2) \times su(2)$


Hearthstone: Good cost minions, but with downsides?


Why is there often a metal clip around a dc motor

Metal sleeve around cassette player motors?


Scrolling an UITableView will stop Timer

UILabel updating stops during scrolling UIScrollView


Textures disappear when the rendering engine is switched to cycles


How to get Linux style copy-paste working for more than 65 characters?

How to copy code out of notebook to an external text editor without extra line feeds being added?


Is there any canonical reference to the fate of the Blue Wizards: Alatar and Pallando?


How to Enable TLS 1.2 on MS SQL Server 2012 SP1?

SQL Server compatibility with New TLS Standards


Related Questions are not being added to new questions anymore, network wide

Why does the Related question list not always show up?


A maximal ideal is not contained in the union of all the other maximals ideals

Can a prime in a Dedekind domain be contained in the union of the other prime ideals?


Were Doc's calculations incorrect as to when Marty should drive the DeLorean?

In Back to the Future, how did Marty get the timing right with the lightning strike?


Why does multiplying two fractional Doubles and converting the result to a String result in extraneous zeroes?


Top K Frequent Words using heaps in Python

The Most Efficient Way To Find Top K Frequent Words In A Big Word Sequence


Show that if $f'(z)=0$ in a connected open set in $\mathbb{C}$, then $f(z)=a \in \mathbb{C}$

If $f(z)$ analytic in the domain $D$ and $f'(z)=0$ so $f(z)=$constant?


Wireshark is not able to capture on any of the interfaces

There are no interfaces on which a capture can be done


PHP Login system using Cookies and Salted Hashes


How can I list every resource files of a directory pack URI?

Enumerating .NET assembly resources at runtime


How to disable double click zoom for d3.behavior.zoom?


Dual-boot boot menu does not show up after installing Ubuntu 15.10 alongside Windows 10


How to clean off keyboard marks on screen?


Please explain what does this friend declaration mean?

What are the basic rules and idioms for operator overloading?


How to check for Integer data type in Jquery Validation form?

HTML text input allow only numeric input


Ubuntu 16.04 LTS cannot connect to 5Ghz wifi with broadcom bcm43228


Create object-like macro from concatenation of token and macro

What are the applications of the ## preprocessor operator and gotchas to consider?


Downvotes vs comments on posts by new users

What can we do to encourage (or discourage) a second question?


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


In the following javascript function what does the || operator do?

JavaScript OR (||) variable assignment explanation


Insert variable into global namespace from within a function?


Macbook turns off before battery is 0% when left unplugged. (Already reset SMC and PRAM several times)

Fully charged MacBook Air turns off when power cord removed


Can I understand mixed states using the Bloch sphere?

Can a qubit be in the inside of the Bloch Sphere?


Why is this true? $(\exists x)(P(x) \Rightarrow (\forall y) P(y))$


Why are some function in python called as attributes and others not?

Why does Python code use len() function instead of a length method?


$f$ brings convergent nets to convergent nets, is it continuous?


What fantasy book has a character acquire powers by sleeping in a dead dragon's body?

Identify this YA book series about dragons, acid blood, and dangerously cold nights


GroupBy on comma separated String read from a file

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


How Do I Change the Application Mapped to Open in Terminal?

Setting nautilus-open-terminal to launch Terminator rather than gnome-terminal


Installing cuda-toolkit on ubuntu 15.10 hash sum mismatch

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


Making methods to print array (newbie in java)

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


How to create a picturebox of large size(20000,20000) in C#?


Finding $\lim_{n\to\infty} e^{-n}\sum_{k=0}^n \frac{n^k}{k!}$ if it exists

Evaluating $\lim\limits_{n\to\infty} e^{-n} \sum\limits_{k=0}^{n} \frac{n^k}{k!}$


Is $O_n$ isomorphic to $SO_n \times \{\pm I\}$?


can't install third party .deb packages with the new ubuntu software app (ubuntu 16.04 )

16.04 Cannot install anything from Ubuntu Software center


How to install ubuntu on a lenovo thinkpad x131e


How can I convert this object format 2021-04-18 08:01:00 to datetime format with python?


Android "Taking Photos Simply" tutorial does not work for me

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


Show scoreboard points with right clicking an item

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


How can I move a Windows program to the Dash?

How can I add custom '.desktop' application launchers to Ubuntu Dock?


How to install Ethernet in my Ubuntu 18.04?

In Ubuntu 16+, for a network interface "ens192", where does the "192" come from?


Static field and Object reference not set to an instance of an object

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


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

One component in PCA is always the mean vector in two-dimensions but not three


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


How to convert a std::string to const char* or char*


How to pass a generic type to a generic method

How do I use reflection to call a generic method?


Simplifying composition of trigonometric functions

How to derive compositions of trigonometric and inverse trigonometric functions?


Function works normally alone but doesn't work properly when calling several times. Python

Why can a function modify some arguments as perceived by the caller, but not others?


repository element was not specified in the POM inside distributionManagement element or in -DaltDep loymentRepository=id::layout::url parameter


Zorn's Lemma - partial order, or preorder?

Kuratowski-Zorn Lemma with pre-order (quasi-order, proset) instead poset?


A complete list of quantities in Mathematica 9/10?

Built-in unit strings recognized by Quantity?


Prove that $X$ and $Z = Y^2$ are independent random variables if X, Y independent

Are functions of independent variables also independent?


Why does in_array() wrongly return true with these (large numeric) strings?


quantum random number generator implementation in quantum lab


Calling a base class constructor in derived class after some code block in derived constructor


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


Is it possible to see which questions I've downvoted?

Is there any way for me to find which questions/answers I have upvoted/downvoted?


How do I return the response from an asynchronous call?


Value of pointer to stack integer (becomes NULL)?

Can a local variable's memory be accessed outside its scope?


Two transits in Europe do I need a transit visa? Or any kind of visa?

Is a Schengen visa/transit visa required for a transit flight through two Schengen airports?


Executable exists for everything but bash & file manager

Getting "Not found" message when running a 32-bit binary on a 64-bit system


Automatically download missing packages in texstudio


Dual space of a finite dimensional normed space


Books for Advanced algebra and Advanced geometry(AMC 12)

What's a good book for a beginner in high school math competitions?


Zip a file without including the parent directory


Why do we use Hermitian operators in QM?


Is there an absolute center of mass exist in the universe?


Suppose $(a,b)=1$. If $a$ divides $c$ and $b$ divides $c$ prove that $ab$ divides $c$

Prove: If $a\mid m$ and $b\mid m$ and $\gcd(a,b)=1$ then $ab\mid m$


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


If $F=m\dfrac{dv}{dt}$ why is it incorrect to write $F\,dt=m\,dv$?

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


Programmatically stop execution of python script?


Connection to host closed by remote host. Exit status -1

ssh server: reasons for sudden "Connection closed by remote host"


How can I convert a Lead to an Opportunity via the REST API for a Connected App?

How do you convert a Lead via the REST API?


If the universe is constantly expanding, shouldn't we go away from other planets?

Why does space expansion not expand matter?


How to clear a 2000+ bounty in the reach?


How to measure the performance speed of one method in java

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


Highlight matrix cell and have arrows pointing from cell with text


Was "book" to "beek" as "foot" is to "feet"?


"Maybe:" in front of Contacts on Message screen

What is the "maybe" caller id suggestion in the call log based on?


"This post has been deleted - no more edits are allowed" for all posts I try to edit

Trying to improve a tag wiki while blocked causes incorrect 'This post has been deleted'


Can I raise an event without using a button?

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


One multiline equation and many single line equations inside align environment

Show equation number only once in align environment


Identifying path of current JSF / XHTML page


How to indentify if a function being decorated is a function or a method?

Using the same decorator (with arguments) with functions and methods


Finding a closed form of following summation

Alternating sum of squares of binomial coefficients


Can't draw Plain mono amp with Circuitikz

I need to use a different version of circuitikz. How can I do that?


I can't pass an array as a parameter to a function in C#

CS0120: An object reference is required for the nonstatic field, method, or property 'foo'


java.lang.NullPointerException while Login with Servlet&JSP

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


What plan makes most sense for this bathroom rough in?

Can this drain pipe be moved back closer to the exterior wall


Log in with username vs. login with email address - which option provides better user experience?

email field or username for logging in an application?


I'm interested in trying out Ubuntu. I installed 12.04 i386 on usb stick, but can't get it to boot


Codeigniter, Facebook javascript SDK, PHP SDK Redirect after facebook login doesn't getUser() until refresh


Why is quantum mechanical momentum the derivative of the wave function with respect to the position?


Famous Validation Error: Value is not valid


Is this weird pattern in my residual plot normal?

Trend in residuals vs dependent - but not in residuals vs fitted


What are the different kinds of boxes in (La)TeX?


Why is it not possible for equipotential surfaces to intersect in this case?

Why is electric field zero where equipotential surfaces intersect?


If $\lim_{x\to x_0}f'(x)$ exists, then $f$ differentiable at $x_0$ and $f'(x_0)=\lim_{x\to x_0} f'(x)$

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


Should I follow-up about poorly answered questions in an interview?

Is it a good idea to email the admission committee after a suboptimal interview?


Why does a class implements Serializable interface?

When should we implement Serializable interface?


Is "Player" interchangeable with "Planeswalker"?

Can older cards that refer to a player/opponent ever be used on planeswalkers?


Interpreting output from anova() when using lm() as input


List all js global variables used by site (not all defined!)

Fetching all (javascript) global variables in a page


How can I convert 14/Jul/2015 into 14-08-2015


How to install package in 86 hosts in the same time (RHEL)?

Linux equivalent to PowerShell's "one-to-many" remoting


Values of $\sum_{n=0}^\infty x^n$ and $\sum_{n=0}^N x^n$


Porting Ubuntu Touch to a official cyanogenmod 11 or 12?

How do I go about porting Ubuntu Touch to different devices?


What do z${variable} and zfalse in bash script mean?

Why do shell script comparisons often use x$VAR = xyes?


One way ANOVA in R given Mean, SD, sample size only?

ANOVA analysis with only mean and standard deviation


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


Using gdal_translate for multiband raster to convert into .XYZ file?

Exporting DEM-derived rasters to CSV from QGIS?


Convergence of the integral of product of $L^p$ and $L^q$ functions


wifi connection is getting closed when device is going in sleep/locked state

How do I keep Wifi from disconnecting when phone is asleep?


No continuous function switches $\mathbb{Q}$ and the irrationals


Bash: How to change system-wide proxy settings

Set Ubuntu System Proxy Settings without Restart from commandline


How do I find my real IP address in PHP (getting server's IP rather than visitor's IP)

$_SERVER["REMOTE_ADDR"] gives server IP rather than visitor IP


Disable Lock Screen (Since Anniversary Update)

How do I kill the lockscreen after the Windows 10 anniversary update?


Powerdot breaks with both minted and verbments

verbatim environment does not work with powerdot


How do i find the position of a specific item in a list using while/for loops using python?


What is the proper way of creating installation media from Ubuntu iso?


Might / May / Could / Would have been able to


DIY.Blogoverflow.com is redirecting to stackexchange.com/blogs


Why do some of my Rails path helpers have an _index suffix?

Rails 3 route appends _index to route name


Mouse clicklock needed for accessibility! Where is it?


Short Story or Novella About Observing the Future

What "time travel" story required the traveller to mentally reconstruct his world in order to return to it?


Overlap between two lists, hypergeometric test

Calculating the probability of gene list overlap between an RNA seq and a ChIP-chip data set


How do I install Python 3.7 on Ubuntu 16.04 and 18.04?

How do I install the latest Python 2.7.X or 3.X on Ubuntu?


Assign a row class like "row-1" for row 1, "row-2" for row 2


Creating a LaTeX Template which is filled by a script

Reading data from a relational database into a LaTeX table


A non-competitive, chat-based event for reviewing close-votes?

Huge close votes review queue on Stack Overflow


“Are” vs. “is” after “parents and the family”


Restricting resources of user applications

How to limit resource usage for a given process?


How to give names/labels to topics in LDA

How to give name to topics created using LDA?


Completeness of sequence of reals with finitely many nonzero terms


How can I get better results when doing camera motion tracking?


Solve returns a solution set, but NSolve returns an empty set


Getting root permissions on a file inside of nano?

Save an edited file in nano, but no permissions


How do I iterate over the words of a string?


javascript - calling function is not working

Event binding on dynamically created elements?


Can't install new version of Transmission via PPA

What PPAs support the ARM architecture (armel)?


Facebook: Ways to preserve image quality of uploaded images?


Is angular displacement a vector? How is work defined in rotation if it isn't?

If angular velocity & angular acceleration are vectors, why not angular displacement?


Is this grammatically correct - "I miss to swim"


Will (for certainty) and Going to (for evidence)


Can we define tension in a string as the reactive force produced in a string being pulled at both ends?


Why do three nucleotides code for one amino acid? Why not 5 nucleotides?

Why are there exactly four nucleobases in DNA?


Pre-generate Review audits to avoid the lag?


Limiting distribution of the first order statistic of a general distribution


How to find and move files between certain dates?

How to find files between two dates using "find"?


Are the additive group of rationals and the multiplicative group of positive rationals isomorphic?

Group of positive rationals under multiplication not isomorphic to group of rationals


Is there any way that I can put the subscript and superscript at the back of a symbol?


How do I run a JAR file without installing Java?

How to stop jucheck from running? Java won't remember "Check for Updates Automatically" setting


What differences come out between defining functions as static members and free?

C++ circular dependency - namespace vs struct


Nvidia Corporation: G96 [GeForce 9500 GT]

How to download all required Ubuntu drivers


Ignore citations in captions in list of figures when numbering


Wait for completion of SP.RequestExecutor


javax.net.ssl.SSLPeerUnverifiedException: No peer certificate while I am working with google place api in android


How can I use/model a custom diode in LTSpice?


What's the difference between mnt vs media?

what is the distinction between /media, /mnt and /run/mount?


Evaluating $\int \sqrt{\frac{5-x}{x-2}}\,dx$ with two different methods and getting two different results

Getting different answers when integrating using different techniques


Windows 10 Icon not showing up on Notification Bar

Why don’t I have the Get Windows 10 icon?


Does the series $\sum_{1}^{\infty}\big[1 + n\ln\big(\frac{2n-1}{2n+1}\big) \big]$ converge?

Convergence of $\sum _{n=1}^{\infty }\left\{ 1-n\log \frac {2n+1} {2n-1}\right\} $


How to run bash commands in Ubuntu 13.10?

How do I run executable scripts in Nautilus rather than open them in Gedit text editor?


My logo goes blurry when I try and upload it to instagram

Facebook: Ways to preserve image quality of uploaded images?


How do I make a h1 and h3 only as wide as the text

How can I make a div not larger than its contents?


A question about causality and Quantum Field Theory from improper Lorentz transformation


How do I add a repository from behind a proxy?


Please suggest necessary setting for better sharp image with telephoto lens 70 -300mm VRF4.5-6.3? Nikon D5300


Can you help identify this common style of photo editing, it's like a faded style?

How can this brightly colored yet gentle pastel-color effect be achieved?


What does spearman being higher than tau imply?

How do the Goodman-Kruskal gamma and the Kendall tau or Spearman rho correlations compare?


How to validate phone numbers using regex


How can I create a variable named from a concatenation of strings and assign it a value created similarly?

How to create symbols from strings and set values for them?


Storing email in keychain impossible (KeychainItemWrapper)


Why is Stouffer's method often used with one-tailed $p$-values rather than two-tailed $p$-values?

Testing two-tailed p-values using Stouffer's approach


The `ntpdate` command was removed from Mojave. What to use now?

How can I tell if my Mac is keeping the clock updated properly?


onChange event for custom select menu jquery mobile

Get current value selected in dropdown using jQuery


Can't get Netgear WNDA3100v2 to work on Ubuntu 19.10

How do I get my computer connected to a wireless network using my Netgear WNDA3100v2?


Trace of the product of two matrices and singular values

How to show Von Neumann Trace inequality $ \text{Tr}(AB) \leq \sum_{i=1}^n \sigma_{A,i}\sigma_{B,i} $?


How can I get an error report when I execute a command in Ubuntu server? (Backup on PostgreSQL)


How can I Select an Element after appendTo

Event binding on dynamically created elements?


Show that $S=\mathbb{R}\setminus \left \{-1 \right \}$ is abelian.

Properties of the composition law $a @ b= ab + b + a$ on the real numbers


I can not understand, when the left operand of ?? becomes null in below code?

What do two question marks together mean in C#?


Haskell function can get compilation error

`String' is applied to too many type arguments


Prevent WebBrowser autocomplete passwords popup

Blocking dialogs in .NET WebBrowser control


Does the steam copy of Rocket League have implicit support for PS4 Controllers?

Can a Dualshock 4 replace a Xbox 360 controller on the PC?


How to use indexing for multiple table join in a single query?

MySQL Great Circle Distance (Haversine formula)


Why do high frequency waves have high energy

What's the difference between low energy photons and high energy photons?


Managing multiple asynchronous NSURLConnection connections


Proof of equation with binomial coefficients: $\sum\limits_{k=1}^{n} (k+1) \binom{n}{k} = 2^{n-1} \cdot (n+2)-1$

How to prove this binomial identity $\sum_{r=0}^n {r {n \choose r}} = n2^{n-1}$?


unable to understand this image read python code


Is there a way for command blocks to detect how many players are nearby?

How to count entities with commands/check if there are only one or a certain number of entities or players left?


Can't input the user's value to the array, NullPointerException error

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


Why voltage is same across parallel circuit if it is work done per unit charge?

Why does voltage remains same over Parallel Circuit


List of lists changes reflected across sublists unexpectedly


Should I be worried about a possible threat?


Printing text before reading input not working [Clojure]

Clojure - Side Effects Happening Out Of Order


How to solve a second order but nonlinear differential equation?


Can't Open Project in Xcode 4.6 After Opening in 5.0


how to define a timeout for a function in c

How to set a timeout for a function in C?


Show that there is always a proposition between two propositions logic


Can a spellcaster have more than one familiar with the familiar variant rule?


java.lang.NullPointerException occuring, developing android, how do I fix that?


How to calculate the nth term of sequence that increases by n?


We have a 5 hr layover in Osaka do we need a transit visa?

Layover at Narita, Japan. Do I need a transit visa?


Is there a way to keep someone off my network?

How to properly secure a wireless home network


No bootable devices ubuntu 14.04 dual boot with win7

How to install the Boot-Repair tool in an Ubuntu live disc?


Help with the following words in a sentence

"My wife and I's seafood collaboration dinner"


openlayers add points to GeoJSON layer and store them to postgis

How to connect OpenLayers to PostGIS data?


Are parent function variables reliably accessible in a callback function?


Chat message mouse-over actions obscure links at end of line

Teaser in chat a.k.a. chat post options overlap the message making links unclickable


Insufficent space for downloading APP from Play store

Google Play: Error downloading app - insufficient space


Integrate $ I(t)=\int_0^\infty \left( \frac{\sin tx}{x} \right)^n\,\mathrm d x$

A sine integral $\int_0^{\infty} \left(\frac{\sin x }{x }\right)^n\,\mathrm{d}x$


Punctuation of direct speech, edge cases


How can I vertically align elements in a div?


Can I completely disable Cortana on Windows 10?


Why is my texture projecting onto other objects?

How can I avoid colored light reflections?


How can I get the an element's order inside a group of seleted elements with jquery?

identifying which item is clicked in a multi level list using jquery


Everytime I do the CanPlaceOn command it says i'm wrong

Is it possible to use NBT tags in commands in Minecraft: Bedrock Edition?


Minutes used from time difference even fraction of a minute in php

How to get time difference in minutes in PHP


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


How to write test class for below controller?


How do I fit a constrained regression in R so all coefficients are positive and above 0

Linear regression polynomial slope constraint in R


Affiliation on the papers extracted from the thesis

Affiliation on a paper written mostly in previous position


Equivalent condition for finite cyclic commutative group

Finite group for which $|\{x:x^m=e\}|\leq m$ for all $m$ is cyclic.


Why do I get an Exception when pushing objects to Stack?

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


"the only one of + plural noun" = singular or plural verb? (focus on the only)

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


How to render an animation as video in Blender?


C# Interfaces. Implicit implementation versus Explicit implementation


C++ static member function in template class specialized in .cpp file?

Why can templates only be implemented in the header file?


Symmetry factor for Feynman diagram in scalar field theory

Computing symmetry/combinatorial factor for a diagram in $\phi^4$ theory


What is the meaning of "string @namespace" in C#?

What's the use/meaning of the @ character in variable names in C#?


Zero variance Random variables with density


Create basic GB region postcode area map


Can I use my UK C-type business visa for a tourism trip?

Travelling on Business visa to UK for tourism purposes


ASP.NET MVC No route in the route table matches the supplied values

Html.RenderAction causes "No route in the route table matches the supplied values"


Problem with TikZ commutative diagrams: No shape named tikz@f@1-2-2 is known

tikz-cd: Error: No shape named tikz@f@1-0-1 found


Missing footer on first Beamer slide of TikZ example


Describe the prime elements of the ring $\mathbb Z[\sqrt{-2}]$

Irreducible elements in  $\mathbb{Z}[\sqrt{-2}]$ and is it a Euclidean domain?


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


How to combine two lists to plot coordinate pairs with one of the list having empty cells?


Show that there does not exist any non-zero homomorphism f : S3 → Z3.

homomorphism from $S_3$ to $\mathbb Z/3\mathbb Z$


How can I install ubuntu restricted extras on Ubuntu 14.04

How can I install 'restricted-extras' offline?


Which position and momentum distributions arise from some wave function?

Reconstruction of "wavefunction" phases from $|\psi(x)|$ and $|\tilde \psi(p)|$


How to create a Windows installation USB in Ubuntu?

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


attempt to invoke a virtual method on a null object

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


Bind Dynamically Created Bitmap object to Image in WPF


ionic 3 > custom watch script for "ionic_watch" live reload

Monitor a set of files for changes and execute a command on them when they do


capturing ALL stdout data using Process.Start

Capturing binary output from Process.StandardOutput


How do you iterate through every file/directory recursively in standard C++?


No EFI system partition configured, BUT I already have it - Lubuntu installation

Lubuntu Installer Giving Error after Partition creation "YOUR SYSTEM MAY OR MAY NOT BOOT "


Why should I use the keyword "final" on a method parameter in Java?


Backend menu sidebar collapsed by default every time?

WordPress Left Hand Side Admin Menu Always Collapsed


Why is the isometry of It\^o integral called so?


Confused about the "execute" bit of a directory

Execute vs Read bit. How do directory permissions in Linux work?


Are +1/+1 counters different from +1/+1 effects?


what is operater * really mean when use for list ？

List of lists changes reflected across sublists unexpectedly


Variables input generation for Minimization in High dimensional space

Assigning values to a list of variable names


wich version of ubuntu is best suited for a pentium 4?

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


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


Get the current first responder without using a private API


Inconsistency between "Possible Duplicate:" header and "Closed as exact duplicate" footer

Wording of "possible/exact duplicates" when closing the question


What is the grammar of the sentence "this is not some science fiction movie come to life."


How to prove that, if two numbers are equal $\mod2$ and$\mod3$ ,they are equal$\mod 6 $?

Constant case CRT: $\,x\equiv a\pmod{\! 2},\ x\equiv a\pmod{\! 5}\iff x\equiv a\pmod{\!10}$


Controlling two things with a tri-state output using discrete logic


Do the apps in Island can see each other?

Are multiple-users protected from each other differently than apps?


Proof that Newton Raphson method has quadratic convergence


Why is one directory's file larger than 4kB?


mysql varchar does not compute with java string


Python - Getting Rid of Spaces in String

Is there a simple way to remove multiple spaces in a string?


Splitting a Java String return empty array?


How to name the supreme power in the universe, in front of various people who believe there is one?

When should the word "God" be capitalized?


Netflix cartoon series where the main character had a leather gaunlet that could summon a beast

Cartoon TV Show About Three Kids and Monsters and a "veil" between realms


What should happen if a logo I made is similar to another?


Updating 600 rows of opportunity gives error time limit exceeded

solution for apex cpu time limit exceeded exception


Ubuntu Gnome 16.04 - Power button action "Interactive" doesn't work

Change "power-button-action" comand for "hibernate" option in GNOME 3.18


Windows disappeared from GRUB after reinstalling Ubuntu


Get the current working directory in C on windows

How do I get the directory that a program is running from?


CSS for daily site access calendar on profile page fails to load over HTTPS


Why does rotated (R) shapes, that I copy and duplicate (Cmd+D) around a circle, get disordered?

How do I stop Illustrator from snapping to pixel increments?


How is the circle that fits beneath two adjacent circles related?

Finding the radius of a third tangent circle


Insert a Print Button for A website Form


I am using Windows 7 (32-bit), is it better for me to start with Ubuntu (32-bit) too?

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


Why didn't Tony use E.D.I.T.H. against Thanos?

Is there a reason why, Tony didn't think of using this in "Avengers: Endgame"?


How do I activate Function Keys without pressing the fn button in the mac keyboard?

Use Function Keys without pressing the fn button in the mac keyboard?


What is the order of ringing the bells for the quest Buried Secrets?


What should I do when a professor is teaching inaccurately?

How should students react to inaccuracies in professors' teaching without causing resentment


Is there any evidence that Lando Calrissian is Finn's father?


If $\{a_n\}$ is a sequence such that $0\leq a_{m+n}\leq a_m+a_n$, show that $\lim_{n\to\infty}\frac{a_n}{n}$ exists

Prove $\lim_{n\to\infty} \frac{a_n}{n}$ exists for positive sequence where $a_{n+m} \leq a_n + a_m$


System classes while enabling Assertions, what are they?


Creat App load database is available in android


Proving that a sequence such that $|a_{n+1} - a_n| \le 2^{-n}$ is Cauchy


How are java.lang.Object's protected methods protected from subclasses?


E: Could not get lock /var/lib/dpkg/lock-frontend - open (11: Resource temporarily unavailable)


getLastLocation() from LocationClient always returns null

LocationClient getLastLocation() return null


How i can parse a string from every domain?


How to convert binary string to decimal?


Proving normality of a subset from its generators

Prove that $H$ is a normal subgroup in the finite group $G=\langle S\rangle $ iff $sHs^{-1}$ $\subseteq H$ for all $s\in S$.


How to get client machine's Operating System's user friendly name?

How can I get client information such as OS and browser


Is it kosher to submit an answer, then edit it repeatedly?


Constructing an explicit isomorphism between finite extensions of finite fields


Why is my Bash script returning a syntax error?

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


why GUI app uses Top-Lefft corner instead of for example Bottom-left corner?

Historic reasons for Left-Handed Coordinate System


How to calculate the intersection of 2 circles?

How can I find the points at which two circles intersect?


Why is the Android emulator so slow? How can we speed up the Android emulator?


Prove that $\sum _{n=1}^{\infty }\frac{\sin n}{n}$ converges or diverges.

Does $\sum_{n=1}^{\infty} \frac{\sin(n)}{n}$ converge conditionally?


If $\lim_{x\to c} f'(x)$ exists, does $f'(c)$ exist?

Question on differentiability of a continuous function


Creating a jQuery Plugin without passing in a Container

Calling a jQuery plugin without specifying any elements


GCD: If $d\mid a, d\mid b$, and $d\mid c$, then $d|\mid \gcd(a,b,c)$

$\gcd(a,b,c)=\gcd(\gcd(a,b),c)\,$ [GCD Associative Law]


why we are using javascript:void(0) in Angular code

Which "href" value should I use for JavaScript links, "#" or "javascript:void(0)"?


What should I ignore in a C# project when I am using git?

.gitignore for Visual Studio Projects and Solutions


What material is Spider-man's web made of?


Biblatex with Biber: Configuring my editor to avoid undefined citations


Is it mandatory to have published papers while applying for PhD?


How to connect mobile broadband using terminal?

How do I establish a mobile broadband connection from the command line?


System process uses max CPU on windows 10

Troubleshoot High CPU usage by the "System" process


Why do we say "attorney at law" and what is the difference between attorney and lawyer?

Attorney at law, is there any other kind?


How do you get an output like this in Latex?

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


is it possible to issue dynamic include in asp-classic?


converting each base to another(doesn't work)

Undefined reference to `pow' and `floor'


Multivariable Limit - Converting to Polar Coordinates

Limit $\frac{x^2y}{x^4+y^2}$ is found using polar coordinates but it is not supposed to exist.


Is there any rule for the placement of space after and before parentheses?


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


After 16.10 upgrade, ethernet is not working


Vertical and horizontal lines in pgf-tikz


Maven project - Could not calculate build plan

Could not calculate build plan: Plugin org.apache.maven.plugins:maven-resources-plugin:2.5 or one of its dependencies could not be resolved


How to get size of class / struct object in C#

Getting the size of a field in bytes with C#


Last man on earth because he died the moment something happened?

Trying to find a TV show about an event that leaves everyone dead apart from people who died at the moment of the event?


A closed subset of an algebraic group which contains $e$ and is closed under taking products is a subgroup of $G$


Remove all comment (single-/multi-line) & blank lines from source file


Can you style XHTML elements in another namespace using id and class name css selectors?


detect new or modified files with python


Transistor Current Ic vs Power Dissipation


NSDate is coming nil while converting a date string having 12 hour format to NSDate if iPhone/iPad is in 24 hour format


Geom and ST_AsText(geom) gives different intersection results for same geometries

Converting PostGIS point to text causing loss of data?


Beamer File does not render correctly on different machine

Bad alignment of Author and Title in Beamer class (Warsaw theme)


Wifi connected but no ping (narrowed down to Ethernet interface somehow interfering with Wifi functionality)

How to set a routing table that prefers wlan dhcp interface as default route?


How to get class used in genericized object

Java generics type erasure: when and what happens?


How to get address pointer of a member function

How to print member function address in C++


Inequality ${n \choose k} \leq \left(\frac{en}{ k}\right)^k$


How do I restore .bashrc to its default?


Can you cast Eldritch Blast twice in the same turn using the sorcerer's Quickened Spell Metamagic option?

Can a sorcerer use the Quickened Spell metamagic option to cast cantrips?


Grepping entire system but dodging process files and the like

Recursive grep vs find / -type f -exec grep {} \; Which is more efficient/faster?


Determine number of objects created in Java

What are all the different ways to create an object in Java?


how we can check if all the div are displayed none

How do I check if an element is hidden in jQuery?


ASP.NET MVC: The model item passed into the dictionary is of type (...), but this dictionary requires a model item of type (...)

The model item passed into the dictionary is of type .. but this dictionary requires a model item of type


Is it valid to perform PCA if Kaiser-Meyer-Olkin (KMO) index is very low?


Why does convention not recognize $2\pi$ as the fundamental quantity?


How do I know what the symmetry group of a Lagrangian is?

Is there a systematic way to obtain all conserved quantities of a system?


there exsit postive integer $x,y$ such $p\mid(x^2+y^2+n)$


Is it possible to log phone calls and messages on iOS?

Accessing the iPhone's Call log with the iPhone SDK


Lost/Deleted dpkg (package manager for Debian). How do I get it back?


Math mode in tabular without having to use $...$ everywhere


Error: unexpected symbol/input/string constant/numeric constant/SPECIAL in my code


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


Too Many Left Outer Joins in Entity Framework 4?

Simple Linq query has duplicated join against same table?


A weird error in switch statement in c++

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


How can I allow my mouse cursor to pass from larger monitor to smaller based on relative positioning?

Cursor hitting "border" between differently sized monitors


How to evaluate a math expression given in string form?


Is it possible to download full iCloud backup for iOS 13?


how to use my wired connection internet for accessing internet on mobile phones

How to share a wired Internet connection with an Android phone (reverse-tethering)?


Blob is not a Valid UTF-8 String - Only after "–"

'BLOB is not a valid UTF-8 string' error?


Why does an odd number price look smaller than an even number price?

Is there any advantage in marketing my product for £99.99 instead of £100?


what is the difference between lambda function and std::function in C++11?


What means a number of links > 1 for directories?

How to find all the links to a directory


adding usernames and passwords to a vector?

reading a line from ifstream into a string variable


Sparsity in Lasso and advantage over ridge (Statistical Learning)

Why does the Lasso provide Variable Selection?


Delivering Java se project to complete non technical customers

What's the best way to distribute Java applications?


Using Windows OEM License key on another Laptop


Combined Variance of two groups with different sample sizes


Possible bug with \implies and \Longrightarrow -- there's a dot in the middle of it


Why is else clause needed for try statement in python?


java.sql.sqlexception parameter index out of range (1 number of parameters which is 0) can't run it

java.sql.SQLException Parameter index out of range (1 > number of parameters, which is 0)


Comprehensive guide to setup android sdk with eclipse on Ubuntu 14.04 LTS 64 bit

Complete Installation Guide for Android SDK / ADT Bundle on Ubuntu


buster blader the dragon destroyer swoardsman effect not working

Buster Blader the DDS did not affect Destiny Hero - Decider effect; why so?


Integral of the product of $x^k$ and the upper half circle of radius 2.


iPad: Sending iMessage messages from e-mail

Why are my iMessages showing as coming from my email address when I've set my Caller ID to my phone number?


What is the yield keyword used for in C#?


Question about correlation between Y=A*B Vs B

Does correlation between variables in an interaction matter?


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


Show that $L^p$ norm is equivalent to $L^q$ norm iff $p=q$.

Are all the norms of $L^p$ space equivalent?


What are the most common techniqes for preventing overfitting?

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


Generic htaccess redirect www to non-www


My processor is 64-bit - does that mean I need the amd64 image?


regex matching curly braces in java inside very large html file

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


How fast can video/ transmission waves travel through space?

What will I see if I travelled to a distant planet in 100 times faster than speed of light and look back?


How do I write the vector symbol with the arrow that goes from right to left?

\vec{x} but with arrow from right to left?


How do I push amended commit to the remote Git repository?


How to obtain inverse behavior for `tail` and `head`?


For integer $n>1$, can $\sum_{k=1}^{n}\sqrt{k}$ be a rational number? Can it be an integer?

Is $\sqrt1+\sqrt2+\dots+\sqrt n$ ever an integer?


After migration to MacOSX 10.11 "El Capitan", how to run simple utilities such as "texdoc" and "kpsewhich"?


Java Recursive Directory Search throws Null Pointer Exception

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


How can I get to the last wave of the pumpkin Moon in terraria 1.2.3 console?

Should I be setting up an arena to defeat the Pumpkin Moon?


How the glibc strlen() implementation works


How to reconnect a split face to its mesh?


What does the 'with' keyword in node.js stand for?


Is there some way to make Dynamic track only a part of a variable

How to track part of symbol or how to symbolize parts of symbol without copying data?


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

What is the Python command to check if current view is in orthographic or perspective mode?


Array.push() add always reference even if using slice()

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


Dangerous mix Fragments-Views in order to win a NPE


jQuery autocomplete tagging plug-in like StackOverflow's input tags?


Evaluating $ \sum_{i=0}^{\infty}ir^i$ for $|r|\lt 1$

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


How can I change the background colour for the applications panel in Ubuntu 18.04?

How to change App Drawer background to be less transparent


How to prevent LaTeX from hyphenating the entire document?


Can you set an attribute to a method in python


Deletion banner by underage deleted user displays the original username

Further anonymize deleted accounts by changing the username in close/delete notices


g++ linking error when filename at the end

Why does the order in which libraries are linked sometimes cause errors in GCC?


How to make an already live Ubuntu pen-drive, a persistent one?


How can I use an align environment flush left?


Ubuntu runs with a larger resolution than what my screen allows

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


JavaScript string replace function loses class object

How to access the correct `this` inside a callback?


Como calcular el area de la superficie de un huevo con calculo

How can I find the surface area of a normal chicken egg?


Array gets mutated after array element is passed into splice() method as arguement

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


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


Grad school admissions - I am going to apply to both Physical therapy and Occupational therapy masters - need advice

Leaving undergraduate schools attended off grad applications


grep to a file from one server to another

Linux equivalent to PowerShell's "one-to-many" remoting


Java - Attempt to read from a null 2-D Randomly Generate Array

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


why the mesh moves from its position with curve modifier

Why curve modifier goes in different direction


How should I install HPLIP binary/proprietary plugin/driver for my HP printer or printer+scanner?


Can I skip over releases when upgrading?


Wifi not working in HP laptop RTL8723DE realtek wireless driver

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


How do I test a private function or a class that has private methods, fields or inner classes?


Regular Expression to Read Specifi HTML Rows  PHP

RegEx match open tags except XHTML self-contained tags


Prevent fluid to flow through the walls of an obstacle


Saving excel worksheet to CSV files with filename+worksheet name using VB

Export each sheet to a separate csv file


After installing ubuntu 16.04 in my hp laptop 15-ay008TX. My wifi card stop working (Card Name:- rtl8101/2/6E)


Upgrading from 16.10 (yakkety) to 18.04 (bionic) - Can't upgrade directly?

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


\underbrace and notes in the center environment


Fadeout a button after a click using jquery

Event binding on dynamically created elements?


How the == Comparison works in Java in this code


"In a party people shake hands with one another"


Use of the verb form "review" vs "reviews"


When creating lists, it seems that forms like [[False] * 3] * 3 only copies the references?

List of lists changes reflected across sublists unexpectedly


Samsung S Galaxy II (i9100): possible with stock Google Android OS?


How do i remove appended data, with a trigger that is appended with ajax?


Give an example of fields $k\subseteq K\subseteq L $, and $l\subseteq L$, for which $l/k$ and $L/K$ are algebraic, $k$ is algebraically closed

Finding an example of field extensions satisfying certain properties


What can I do if my USB flash drive is write-protected or read-only?


Does the blue highlight indicate anything?

What is the blue aura around my Pokemon?


Meteor Templates helpers and access to collections' fields

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


Pickled/preserved lemons/limes - grams of salt per kilogram of fruit?

Do Morrocan-stye pickled lemons really need 5 to 10% salt?


js how to remove dynamically added row when clicking each remove button

Event binding on dynamically created elements?


Uncaught Error: Syntax error, unrecognized expression: unsupported pseudo:

How to select JSF components using jQuery?


Are relationships allowed between students and faculty?


Remove Windows 7 windows decorations (non-client area)

Windows program to remove titlebar, frame, etc from a window?


Can a local variable's memory be accessed outside its scope?


How to correctly post a Q&A style question (i.e.self answer) without it failing minimal understanding

I don't always answer myself, but when I do, I fail to ask a good question


Prove $(p-k)!(k-1)!\equiv (-1)^k \text{ mod p }$


Is oracle case sensitive in ddl statements

What exactly do quotation marks around the table name do?


What is the difference between "which" and "that? What should I use in the sentence?

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


Changing the style of all arrow heads in tikz

How to set default style for arrow tips in TikZ?


zsh PATH variable not properly set from another environment variable


PHP Sanitizing string when reading from database


How to write the metric transformation of conformally related $S^3$ and $R^3$

What is the metric tensor on the n-sphere (hypersphere)?


Let $a,b,c$ be the length of sides of a triangle then prove that $a^2b(a-b)+b^2c(b-c)+c^2a(c-a)\ge0$

For any triangle with sides $a$, $b$, $c$, show that $a^2b(a-b)+b^2c(b-c)+c^2a(c-a)\ge 0$


find joint distribution $\min (X,Y)$ and $W$, where W is a discrete distribution

What is the joint distribution of $Z=\min(X,Y)$ and $I_{Z=X}$?


Trying to overwrite shared ..., which is different from other instances of package

Trying to overwrite ... which is different from other instances of package


#1093 - You can't specify target table 'tbl' for update in FROM clause

MySQL Error 1093 - Can't specify target table for update in FROM clause


How do you make sure email you send programmatically is not automatically marked as spam?


What is the measure of the set of numbers in $[0,1]$ whose decimal expansions do not contain $5$?


What is causing this passed by reference behaviour in Javascript?

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


How to prevent of sending empty fields in Angular HttpClient.post method?

How do I remove a property from a JavaScript object?


How to install pygame in python 2.7.6 on ubuntu 14?

How do I enable the "Universe" repository?


How can I see all messages between me and moderators?

How do we see the private messages that moderators sent us?


Some of my references don't work even though they are spelled correctly and in the .bib-file

How to properly write multiple authors in bibtex file?


How to select top 10 records from each category


Comma separated output based on varchar field

Simulating group_concat MySQL function in Microsoft SQL Server 2005?


Manipulate du's output to get a custom printout


Algorithm for finding the smallest power of two that's greater or equal to a given value


How To Update A BLOB In SQL SERVER Using TSQL


Add a CSS border on hover without moving the element

CSS hover border makes inline elements adjust slightly


Autocorrelation in residuals, what to do next?

How can I handle autocorrelated residuals?


Trying to close out my windows at the right


why a hidden column will be set as optional if i change its defualt value

Modifying a default value for hidden column will set it as optional instead of hidden


How to reduce the number of triangles in a mesh?

Is it possible to re-mesh, downsample & upsample a DiscretizeRegion object?


How to put an event on a class that may not be in the document using jQuery selector

Event binding on dynamically created elements?


What happens if I install a virtual machine additions package on a host PC?

What happen if I install VirtualBox Guest Additions on a host?


Unable to change payment information to NONE in iOS Appstore


When is "i += x" different from "i = i + x" in Python?


Copying a Shapefile without affecting the original?

Creating Layer for Selected Features, then Moving it using ArcGIS for Desktop?


system freezes shortly after sign-in on a newly installed 14.04 ubuntu desktop


My most voted question isn't listed on my profile on "Top Questions". Why is that so?

What are the criteria for posts to be included in "Top network posts" on new profile page?


No wifi on HP Pavilion DV7 with Ubuntu 12,04


can I delete old vmlinuz in /boot manually?


Chinese remainder theorem with quadratics

Quadratic congruence in $ \mathbb{Z}/187\mathbb{Z},\ 187 =11\cdot 17 $


If $|ax^2+bx+c|\le1$ for $|x|\le1$(redundant?), then prove that $|cx^2+bx+a|\le2$ for $|x|\le1$.


The bibliography does not appear on the pdf document

Biblatex with Biber: Configuring my editor to avoid undefined citations


Probability brain teaser of secret santa

Intuitive understanding of derangements.


How can I get a 'File Name' ONLY from the (File Name + Extension) using substring in C#?


How to show $f'(0)$ exist and is equal to $1$?

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


Unable to correct dependencies while installing vlc

How do I restore the default repositories?


I want to get index in array which contains my value in C#


Why do you need to apply hash over DH shared key?

Decisional Diffie-Hellman: compute Legendre symbol of $g^{ab}$ from $g^a$ and $g^b$?


How do save game spawn locations work in Borderlands 2?


How long human can survive with just drinking water everyday


Can I model objects as point masses when calculating rotational inertia?

Is the solution to a question regarding four smaller masses on a rotating hollow sphere accurate?


longitudinal calculation in SAS with lag function

Fill the blank values of a variable with the previous non blank value SAS 9.3


ArcGIS for Javascript : Locate Widget Activate Popup for Layers X > Z?

Getting popup with layer attributes to display after using address search/geocoder widget?


Given enumitem + beamer incompatibility, How do I adjust the indent of the enumerate environment?

Changing left margin in itemize environment of beamer class


In the definition of 'Compact set', why do we require the existence of finite subcover for any open cover? Why not countable subcover?


If a mass moves close to the speed of light, does it turn into a black hole?


Clear command prompt buffer while running python program


Does GCM (or GHASH) only provide 64-bit security against forgeries?


Is there any evidence of black holes existing?


Due to the rain the children didn't go out an play

Comma after introductory words, phrases, clauses: unacceptable, obligatory or optional?


What does the @ symbol mean on filenames


Win8 animation shows a window opening offscreen. How do I find it?


Give access to a specific group and all the user who belong to this group and root? [Terminal]

Group permissions allow, but still get permission denied


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


Firefox shows numbers and symbols as emoji, how to disable this?

EmojiOne Color font doesn't replace black and white emoji font in Firefox or Chrome


Computing Confidence Intervals for Coefficients in Logistic Regression

Why is there a difference between manually calculating a logistic regression 95% confidence interval, and using the confint() function in R?


What are the most common pitfalls awaiting new users?


My APP crashes as soon as launch on Android Emulator on Android Studio

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


Prove that for all integers $r, s$ and $t$, that $\gcd(\gcd(r, s), t) = \gcd(r, \gcd(s, t))$.


How to return new line in SQL Server 2008

How to insert a line break in a SQL Server VARCHAR/NVARCHAR string


Call other methods using FXML controller in java?


A model of geometry with the negation of Pasch’s axiom?

Are there simple models of Euclid's postulates that violate Pasch's theorem or Pasch's axiom?


mysql php selecting fields from 2 tables, with the same field names

How to resolve ambiguous column names when retrieving results?


Ubuntu 20.04 there is no ksnip in the list of possible applications

How to make a Snap application (ksnip) appear in "open with other application" context menu?


Convert RGB to Hex using java code - Android

Convert RGB to HEX programatically - Android


How do I return the response from an asynchronous call?


Past tense or present tense to describe something that 'happened in the past' but is still true?


constant pointer vs pointer on a constant value

What is the difference between char * const and const char *?


WP - Best way to store theme colors to use in SASS/SCSS, JSX (blocks) and PHP

WP Gutenberg custom block - generate theme colors from SASS and use them in the inspector and php callback


after installed ubuntu 17,10 ,unable to use gparted


Removing overlapping/duplicate polygons in same layer using QGIS?


If the Empire wanted to rule through fear, why did they cover up the deaths of the Jawas on Tatooine?

Why did the stormtroopers care about hiding the fact that they killed the Jawas?


Finding the integral of a function between 0 to 1


Grace period edits will still lock in votes

Vote can't be changed if answer is edited too quickly


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


Null Pointer Exception in writing java object to csv file


Is it ok by code to enclose a residentail breaker box in a finished basement as long as there is an access door and what are the requirements?

Is it code-legal to have a circuit breaker box within a storage room?


Was Luke Skywalker based on George Lucas?


"reflect" vs "reflection on" or "reflection of"


VPN not connecting automatically in Ubuntu 18.04 LTS

Automatically turn on VPN on computer unlock Ubuntu 18.04


MIME-type "text/plain" showing all of the HTML code

How to fix "Headers already sent" error in PHP


Is there a holomorphic and bijective function of the unit disc onto the complex plane?

A holomorphic bijection from the open unit disc to the complex plane


Uninstallation of VMware Workstation Player from Ubuntu 16.04


Ubuntu 18.04 - Brother MFC7460DN printer / Scanner installation

How do I install proprietary drivers for my Brother all-in-one printer/scanner/fax?


Are these two interchangeable with each other?

Any difference between "be subject to" and "be subject*ed* to"?


If planet orbits are in the shape of an ellipse and the sun is at one focus, what is at the other focus?

Significance of the second focus in elliptical orbits


Formatting external sd card as an internal storage


.fbx export why there are no materials or textures?


Apsotrophe for plural possessive noun. E.g. Company Name

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


Hyperref to the reference in the mentioned text


Python: most efficient way to convert date to datetime


Error: "dpkg was interrupted, you must manually run 'sudo dpkg --configure -a' to correct the problem"

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


How do I make a linux app out of the code using modules installed in a venv?


Show that a metric space $M$ is compact if and only if all infinite open cover of $M$ have a proper subcover.

Some equivalent formulations of compactness of a metric space


Exception in thread "main" java.lang.NullPointerException with gui

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


What author changes are acceptable after paper acceptance in the camera-ready

What changes after peer review but prior to final submission are acceptable for a conference paper?


Notifications or setting for notifications for reputation changes on mobile app

Optional Android notifications for reputation changes


What does p-value mean in Multiple Regression Analysis?

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


PostGIS Geometry Query returns "Error: Operation on mixed SRID geometries" only for certain values


What’s the difference between "I have known her since/for a long time"?

Proper usage of "since" and "from" with regard to duration of time


What are the different ways to copy and back up devices?


Why have whales and dolphins not evolved to have gills?

Why don't mammals have more than 4 limbs?


Flask WTForms - How to identify multiple submit buttons on the same form?

Multiple forms in a single page using flask and WTForms


What is the difference between nohup and crontab?

cron Vs. sleep - which is the better one in terms of efficient cpu/memory utilization?


Balancing chemical equations using linear algebraic methods


Passing a parameter to filter and action functions


Could chat rooms be enhanced to enable the typing of formatted code


If $f \in \mathcal{L}^1(\mathbb{R})$ then $\lim_{h\rightarrow 0}\int_{-\infty}^\infty |f(x+h)-f(x)|dx\rightarrow 0$

Show that $\lim _{r \to 0} \|T_rf−f\|_{L_p} =0.$


(DUPLICATE) Get for loop to be executed on first x number of tuples in a list

How do you split a list into evenly sized chunks?


Managing and applying custom updates to multiple identical machines


asp.net webform allow access for only certain ip

Best way to restrict access by IP address?


Setting the system-wide PATH environment variable in Mavericks


Looking for Davit family in Sibiu between 1875 and 1900

Finding Romanian ancestors from Sibiu, Gușterița?


How can I add a key/value pair to a JavaScript object?


Is there any part omitted in the following sentence?

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


How can one set up a filter to forward automatically all outgoing Gmail messages?

Send a copy of outbound messages to another address


Fundamental group of two tori with a circle ($S^1✕${$x_0$}) identified


Find all the functions in $\mathbb{R}$, satisfying the given equation $(x+y)(f(x)-f(y)) = (x-y)f(x+y)$ for all $x,y$ in $\mathbb{R}$.

Functional Equation: Find all functions $f: \mathbb{R} \rightarrow \mathbb{R}$ such that $(x+y)(f(x)-f(y))=(x-y)f(x+y)$


Prove that $v_1, \dots v_n$ is a basis of V.


Data in tables after DROP DATABASE and recreate

Extra tables are added when I create a new Database


How can I check if append element already exists?

Is there an "exists" function for jQuery?


The word "doubt" as a substitute for the word "question."

Indian English: What usage is allowed for "doubt" (meaning "question")?


Getting incorrect slope values from an ASTER DEM in QGIS?


Vertically centering inside a div with vh

How to vertically align an image inside a div


Is there any shortcut key to SELECT ALL text of Terminal?

How to perform a "Select all" via keyboard, in recent versions of Gnome Terminal?


Should removing of tags from question Title be encouraged?

Should questions include "tags" in their titles?


Can I install Ubuntu touch in a Yarvik tablet?

What hardware does Ubuntu Touch support?


How can I find the cursor location (X/Y, not line/column) in an HTML textarea?

How do I get the (x, y) pixel coordinates of the caret in text boxes?


Why is Fisher's information the *negative* of expected second derivative?

What kind of information is Fisher information?


Static fields on a null reference in Java


Valid alternative to Box Tidwell method for Linear Regression

Violation of linearity assumption in Logistic Regression


Locked out of Gmail account/I have tried too many times

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


What is the relationship between "macro" and "telephoto" lenses?


floatrow/subfigure - fit 7 figures in one page - caption as a subfigure

display the caption of a figure as if it was a subfigure