What's wrong with having the same variable in the integrand as in the limits?

Limit of integration can't be the same as variable of integration?


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


Alert view is showing white rectangle in iOS7


Changes to parameters passed to a static function in java

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


How do I decrease alexa rank even Seo Activities are running?

How to improve the Alexa rank of my website?


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


Unable to download java or uninstall it (version 14.02) on ubuntu 18.04

How do I resolve unmet dependencies after adding a PPA?


RegEx expression into a constant variable


Wifi option not available in ubuntu14.04?


Is there anyway to snap to vertices while using Edge Slide with Clamp Off?


Porting Google OpenID to Stack Exchange OpenID


How do I remove a property from a JavaScript object?


Can anyone delete my comments on Stack Overflow?


How important is a character's sexuality when it come to audience appeal

Will the inclusion of LGBT characters in my game detract from possible sales?


Is there any way to get the windows cmd shell to expand wildcard paths?


Question about determinant of a block matrix

Proving $\det \left( \begin{smallmatrix} A & -B \\ B & A \end{smallmatrix} \right) =|\det(A+iB)|^2$


How to get video duration, dimension and size in PHP?


Python float type causing invalid result?


What is the word for when you say something like "I'm dying" but don't mean it?

What do you call exaggerations like "I'm starving"?


Uncaught TypeError: exit_modal is not a function at HTMLButtonElement.onclick

What is the scope of variables in JavaScript?


How to skip an \item in sub-enumerate level


How do you split a list into evenly sized chunks?


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


Trying to create a blackboard texture and gradient in Photoshop

How do I create subtle background gradients like this?


How can I put my name in the lower corner of my pictures using photoshop?


Do features that allow you to add twice your proficiency bonus, under some other name, stack with Expertise?

Is it possible to double your proficiency bonus twice?


Character Concatenation Resulting in Numerical Output

In Java, is the result of the addition of two chars an int or a char?


Differences between ways to express future actions


How do I search for my posts in all communities?

Viewing all my posts to all Stack Exchange sites in reverse chronological order?


Why is the ROC curve two-dimensional instead of three-dimensional?

Why isn't the ROC curve naturally plotted in 3D?


Could we allow suspended users to bookmark questions?

Should a suspended account be able to mark a question as a favourite?


Problems with USB 2.0 extensions totalling 40+ft


Regex expression to accept alphanumeric characters and only one @ symbol

How to validate an email address in JavaScript


Highlighting or coloring certain words / substrings appearing in a larger string


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


Why does $p$ divide $\binom{p}{k}$ where $p$ is prime?

Proving prime $p$ divides $\binom{p}{k}$ for $k\in\{1,\ldots,p-1\}$


Does a 5v 3A / 2A power adapter work where a requirement is of 5v 4a/5A

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


Error when running "apt remove octave": Unterminated quoted string

/usr/sbin/update-info-dir: 4: /etc/environment: Syntax error: Unterminated quoted string


Sum of "n" independent random variables.

Density of the sum of $n$ uniform(0,1) distributed random variables


Reference From Titles back to the Table of Contents page

Hyperlinks from chapter and section headings back to the table of contents


How can one use multi threading in PHP applications


Let f be differentiable, prove that there exists $c \in (0,1)$ such that $f(c) + f'(c) = 0 $

Prove $kf(x)+f'(x)=0 $ when conditions of Rolle's theorem are satisfied .


How many ways can you arrange the letters of the word "LETTER"?

how many ways can the letters in ARRANGEMENT can be arranged


mySql database doesn't read UTF-8 properly


Proving a statistic is ancillary [link to an old question]


How to prove this series is a telescoping series and calculate its addition

Proving the convergence of $\sum_{n\geq 2}\log\left(1-\frac{1}{n^2}\right)$


How can I determine the "caller" of my method in Objective-C?


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


Google Play: Error downloading app - insufficient space


How do I evaluate only one step of an expression?


Does $30$ always divide $n^5-n$ where $n \in \mathbb{Z^+}$?

How to prove $n^5 - n$ is divisible by $30$ without reduction


How can the formula for the expectation of a log-normal random variable be dimensionally sound?

lognormal distribution, standard-deviation and (physical) units


Converting to upper and lower case in Java


None of the characters visible in any window of Ubuntu 18.04

Text has turned to boxes in Ubuntu 16.04


How to determine when DST starts or ends in a specific location in Python?

get the DST boundaries of a given timezone in python


404 not found errors for PPAs when I run sudo apt update

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


Need help with proving that group is not finitely-generated

show that rational numbers with the multipiciation are not abelian finitely generated group


What good is downvoting really? Seems not to serve much useful purpose

What purpose does downvoting questions serve?


How to prove that $\mathbb{Q}$ is not the intersection of a countable collection of open sets.


connect AngularJS to mysql using my PHP service?


What is the objective and reasoning of no slip condition?

No-slip boundary condition for viscous fluids


How long would it take to beat Mass Effect 1 & 2

How can I tell how long (more or less) it will take me to complete a game?


How to use mods in newer versions of Minecraft?

How to install mods for the new Minecraft launcher


How to remove a persistent malware that downloads unwanted apps?


Copy and move with Ultracopier without doing it through tray icon

Best way to copy all files, ignoring errors?


Which is the Best way to prvent SQL injection using PHP


Fastest way to compare and replace key value pairs in Python


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


Induction proof. Explain in detail why it’s incorrect

Flawed proof that all positive integers are equal


Is it true that the data sent through GET method are limited?

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


Functions which satisfy $f(m^2+n^2)=f(m)^2+f(n)^2$

If $f(1)=1$, then is it true that $f(n)=n$ for all $n \in \mathbb{N}\cup\{0\}$.


Is this normal? Ubuntu 14.04 Gnome 3.9.90?


Can you help me with my capacity planning?


Option to export directx (.x) is missing (Windows 10) (Blender 2.69)


Problem after upgrade from 14.04.02 to 15.04

Missing letters in menus and folder names


Push the return value into an array in JavaScript

JavaScript closure inside loops – simple practical example


Can "Free" be a noun? And what does it mean?

difference between "break free of" and "break free from"


How can I use the "signature" function in Preview on Mac Mini with no camera?

Can I export my signature from Preview on one Mac and import it on another?


What free software can be used for print-quality map production?

Obtaining print quality PDF or PNG output from QGIS?


Is powered delivered to an Incandescent light bulb changing with time?

how to model the exponential growth of luminosity when you flick a light on


How come a user with 1 rep has been able to comment following a question he does not own?

How could a user with 1 reputation point leave a comment?


Input Encoding error: Unicode not setup with Latex

Package inputenc Error: Unicode char - {U+2010)


Let $E$ be a subset of $\mathbb{R}^k$. Show that $E$ is compact if and only if every sequence in $E$ has a converging subsequence to a point in $E$.

Prove that a set $S \subseteq \mathbb{R}$ is closed and bounded if and only if every sequence in $S$ has a sub sequence converging to a point of $S$.


Will LG Optimus Exceed update to Lollipop?

When will my device get the Android 5.0 update (Lollipop)?


How do I add a user group in the latest edition of Windows 10 Home?

Local Users and Groups Management on Windows 7 Home?


Why is the gravitational force always attractive?


How to disable Low disk space for ReadyBoost dedicated drives on Windows 8.1?

How can I disable the low disk space warning on a single drive in Windows 8?


Dont know how to connect AC-97, HDAUDIO, and USB connectors to motherboard

Dont know where to connect HD AUDIO or AC-97, & USB


How to highlight elements of a matrix in a formula?


Number of question views on mobile version

Display View counts of Questions in Mobile version


Passive rigid body physics not working with screw modifier


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


Problem regarding radius of convergence of $\sum n!x^{n^2}$.

Radius of convergence of $\sum_{n=0}^\infty n!x^{n^2}$


How to get memory test in GNU GRUB version 2.04, using ubuntu 20.04

How can I add the Memtest86+ options back to the Grub menu?


While loop initiatizing but not looping java


$x ≡ a \pmod{m}, x ≡ b\pmod{n}, x ≡ c\pmod{r}$

Give an example of three positive integers m, n, and r


Given $a_{n}\ge a_{n+1}>0$, how to prove $a_{n}=o(\frac{1}{n})$ is necessary for $\sum_{n=1}^{\infty}a_n$ to converge?

If $(a_n)\subset[0,\infty)$ is non-increasing and $\sum a_n<\infty$, then $\lim{n a_n} = 0$


What is the "#!/usr/bin/" line at the top of every .py file


If two groups $G,G^{'} $ of order $n$ are isomorphic?

Is a finite group uniquely determined by the orders of its elements?


Usage of "You are" with a phrase in between

Controversy over subject-verb agreement in this sentence


Underscore on both sides of word in Ruby?

Ruby variable name with double underscores


i.i.d assumption: formal definition vs. intuition

On the importance of the i.i.d. assumption in statistical learning


Are there other undocumented paths apart from timeline and reputation audit?

List of unlinked pages on Stack Exchange sites


How to replace a character by a newline in Vim


Tokenization settings in Salesforce marketing cloud


how to insert a hyperlink to cite the author's name/year

Question mark or bold citation key instead of citation number


Maximum number of mutually equidistant points (tetrahedron and extension to $\mathbb{R^n}$)

Proof maximum number of equidistant points for a given dimension


Why python use indentation for defining block for conditional statement?

Why does Python pep-8 strongly recommend spaces over tabs for indentation?


How do i convert an RGB color or Hex into HSB?


Ubuntu 12.04 is certified with LSB4.0 exactly?

Does Ubuntu follow the Linux Standard Base (LSB)?


How to show that $\partial B(0,1)$ is not weakly closed set?

Prove: The weak closure of the unit sphere is the unit ball.


remove indent when bolding the beginning of paragraph

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


Displaying and/or searching across thousands of contacts?


How to get Python to gracefully format None and non-existing fields

Leaving values blank if not passed in str.format


My internet speed wont run at 1.0 Gbps on my Realtek PCIe Family Controller its stays at 100mbps

Realtek NIC running at 100Mb/s rather than 1000Mb/s


Storing Photos library on Time Machine external hard drive with partitioning

Can a Time Machine drive have several partitions, or does Time Machine need the whole HDD to itself?


I bought a bmx with a 20x2.35 inch tyres on them, can i buy and put a 20x2.4 inch tyre on them without changing the rim and inner tube?

What is the maximum or minimum tire width I can fit on my bicycle


Where is Google Earth Pro installed in Ubuntu 20.04 LTS

Determine destination location of apt-get install ?


Ubuntu OS install in Android Mobile device using ubuntu-device-flash

What hardware does Ubuntu Touch support?


Insufficient storage when attempting to download app

"Insufficient storage" when trying to install new app


Why vision lift Thor's hammer in avengers?

How does Vision lift Thor's hammer in Avengers: Age of Ultron?


Subtracting date time of UTC format in Javascript

How do I get the difference between two Dates in JavaScript?


Can you trade Pokemon from 7th gen (Sun/Moon) to 6th gen (XY, ORAS) and back?

Which Pokémon games can I use to trade Pokémon with the Sun and Moon versions?


Sections are labeled as 0.x in the output


How can I clear items with a custom name using a command block? (using to "lock/unlock doors)

Setting command block with preset commands in Minecraft PE?


Unable to Open an Excel file using System.Data.OleDb.OleDbConnection

Excel "External table is not in the expected format."


jQuery dropdown menu wont work in browser, works in jsfiddle

Uncaught ReferenceError: $ is not defined?


How do I use Conditional Formatting based on due dates in Excel 2013?


Can I install Android 2.2 or 2.3 on a Samsung Omnia 2?

Can I install Android on my non-Android device?


C# Windows Form - Apply filter to image normally but got NullReferenceException using Thread


Use RK4 method to solve an initial value problem

Solving a system of ODEs with the Runge-Kutta method


Range reference using "Cells" references

Excel VBA, getting range from an inactive sheet


Verb+Noun Parsers and Old School Visual Novels

How should I parse user input in a text adventure game?


Prove that $(n-1)! \equiv -1 \pmod{n}$ iff $n$ is prime [Wilson's Theorem]


If python interpreter immediately halts execution when error is encountered, then how 2 different error messages are generated?

UnboundLocalError on local variable when reassigned after first use


How to elegantly escape single and double quotes when passing C# string to javascript

Escaping a double-quote in inline c# script within javascript


Is the maximum function of a continuous function continuous?


prove the limit of $f(x,y)=\frac{x^3−y^3}{x^2−y^2}$ exists with an $\epsilon - \delta$ prove


Is it impossible to find a PhD position for someone who has failed courses during their master's degree?

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


Why can't I install local deb files properly

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


Issues while setting python3 as default python on Ubuntu 16.04

Can't decompress data; zlib not available


Tax for sold mutual funds and stocks in non-retirement accounts for resident aliens on OPT

Do I have to pay capital gains tax if proceeds were immediately used for another investment?


What's the name for the property of a function $f$ that means $f(f(x))=x$?


Python Astronomy Censored Data in Lifelines


'while read' loop through lines in text file losing characters in Bash script. is FFmpeg line to blame?


Question found in the VtC queue, but it doesn't have active close votes, how is it possible?

Question flags, queues, edits, roomba, community♦, how does this actually work?


Can I skip over releases when upgrading?


How can I prove that a sequence of real numbers always includes a decreasing or an increasing subsequence?

Prove there exists a subsequence of the real numbers such that it is monotonically increasing or decreasing.


Should Hot Network Questions (HNQs) be customizable?

Filter "Hot Network Questions" by excluding sites


:nth-child(even/odd) selector with class

Can I combine :nth-child() or :nth-of-type() with an arbitrary selector?


I have raw goat's milk yogurt in my refrigerator. I made it 2 months ago. Can it still be used to bake with?

How do you know when a cultured item is no longer safe to consume?


How to make so that page will have no number in latex?

How to remove the number of the page in latex?


How can I check if the input is empty in JavaScript?

How can I check for an empty/undefined/null string in JavaScript?


How to deal with a binary classification problem, where the instances in the negative class are very similar?

How to use a dataset with only one category of data


Create windows without automatic focus in C#/wpf

How to prevent a new WPF form from stealing focus?


Abstract algebra book recommendations for beginners.


Log in Windows 8 account automatically, keeping it locked


Difference between Math.Floor() and Math.Truncate() in .Net


Is there is difference in proving Arg(zw)=Arg(z)+Arg(w) and arg(zw)=arg(z)+arg(w)?

Prove or disprove that Arg(zw)=Arg(z)+Arg(w)


The word "Meta" in the site name should be allowed to translate

Change text in the menu "meta" sites in another language


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


How do i run a .sh file on startup (ubuntu server)


Is it safe to format msftres, msftdata and hidden partitions?


blender 2.91.2 Viewport displays only gray in preview or rendered shading

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


Visual C# : I cannot access a label for changing the text inside a task

Cross-thread operation not valid: Control accessed from a thread other than the thread it was created on


How do I remove the offset from the DAC output and change the range?


Is there a way to "unminimize" a window from the terminal?

How to close, minimize, and maximize a specified window from Terminal?


Java class uses unchecked or unsafe operations

What causes javac to issue the "uses unchecked or unsafe operations" warning


Why shouldn't I use sqlite3 to create a disk-backed map of Python objects?

Can I pickle a python dictionary into a sqlite3 text field?


Why is the footer is standing in the center of the page?

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


Are wormholes really a valid shortcut to distant points in the universe?


discontinuous solutions of the functional equation $f\left(a^b\right) = f(a)^{f(b)}$

Solution to the functional equation $f(x^y)=f(x)^{f(y)}$


Rails Segmentation Fault on Mac OSX with RVM


Superscript in upper left to denote isotope in LaTeX

How to reduce the spacing in chemical symbols?


How to get local IP address using JavaScript?

Can You Get A Users Local LAN IP Address Via JavaScript?


Architecture of the application: request processing

Background timer task in JSP/Servlet web application


Could we make it easier to find questions we haven't accepted an answer to?

Any way to list my unanswered questions on all Stack Exchange sites?


Why CoffeeScript wraps class compiled code

Why does CoffeeScript wrap class definitions in a closure?


Is there a LINQ equivalent of string.Join(string, string[])

What is the LINQ way to implode/join a string array?


Java Hashtable containsValue() not working


Disable/Enable Comment Block With Macro?


Is the operator $T((x_1,x_2,...,x_n))=(x_1,\frac{x_2}2,\frac{x_3}3,...)$ on $\ell^2$ self-adjoint and unitary


Manually editing raster to improve classification using ArcGIS Desktop?


With 8 bits is it possible to obtain an integer in more than one way?


How can a script run by a user logged-in over ssh, get the user's public key?

How to tell what method was used to log in (Password vs. Keyfile) from the bashrc


javascript, how to create a string using C similar function "printf"

JavaScript equivalent to printf/String.Format


Show that the series $\sum_{n=1}^{\infty} n^{q}x^{n}$ is absolutely convergent, and that $\lim_{n\to\infty} n^qx^n=0$.

Show that $\sum_{n = 1}^\infty n^qx^n$ is absolutely convergent, and that $\lim_{n \rightarrow \infty}$ $n^qx^n = 0$


Don't know password, how do I set a new one?

How do I reset a lost password (using recovery mode requires me to type the password)?


How to fix 'android.os.NetworkOnMainThreadException'?


timer jobs are showing "N/A" for their last run & schedule incremental search are not firing

Content Type Subscriber has its last run = N/A


Why does my getPreferences methos returns null?

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


How to install SQL Developer on Ubuntu 14.04?


How to make 'python' program command execute Python 3?


Is there a way to make an Attack of Opportunity at 1000 ft+?

Does the Snap Shot feat allow AoOs outside of Threatened range against the target of Greater Trip?


How do I write documents using llncs.cls without having to put it in the same folder as the document?

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


Prove that $p=13$, given that $(p-1)/4$ and $(p+1)/2$ are prime.

Suppose $p$ is a prime number such that $(p-1)/4$ and $(p+1)/2$ are also primes. Show that $p=13$


Is it possible to use a local variable as a "shortcut" to a global variable?

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


Why are there links to answers in the related questions list?


How is it possible to post an empty answer?

You can make a mostly empty comment/post using link Markdown


How to use a $_session[] name to defined a table for mysql database?

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


Something is doing 100% I/O during Windows 10 boot


Unable to get Facebooks "Lookback Video"


LaTeX plugin for IntelliJ IDE (and others from JetBrains)


How to choose the structure of a feed-forward neural network?

How to choose the number of hidden layers and nodes in a feedforward neural network?


Physics models using (non-lorentzian) Indefinite metrics


C# Why dispose when we already have finalizers


deserializing an xml file and adding data without destroying the integrity


Testing in Python - how to use assertRaises in testing using unittest?

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


How to combine 2 -name conditions in find?


why does my jsp page show the source code rather than the page?


i'm facing( Exception in thread "main" java.lang.NullPointerException ) while i'm trying to delete a node in linkedlist

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


Why am I seeing loop and squashfs in "blkid" output?

Small snap loop devices visible in gnome-disk-utility OR what is the function of snap ubuntu-core


complex error!!!Subscript indices must either be real positive integers or logicals

Subscript indices must either be real positive integers or logicals, generic solution


How to remove Ubuntu and put Windows back on?


Any subset $X$ of $\mathbb{R}^n$ satisfying property C is compact.

Proving that a set in which any sequence having exactly one accumulation point converges is compact


Host resources management - vSphere Client


Duplicate editor names and no page numbers for book chapters in BibLatex APA using Overleaf


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


An expression to define that "very little span of time"

Single word for a very small amount of time


Taking advantage of one-time pad key reuse?


"I don't agree" button on "STOP! Look and Listen" page

Add an "I don't understand" option for review audits


How to use python regex to replace using captured group?

Handling backreferences to capturing groups in re.sub replacement pattern


How to send emails using yahoo or gmail in c++


What is the sum of this series: $\displaystyle\sum_{n=0}^{\infty} \dfrac{a^n}{(3n)!}$


Are \( and \) preferable to dollar signs for math mode?


c# Virtual mouse movement and click. Without moving the in use real cursor

Performing a mouse click without moving cursor


Alternative to typing the path for /sbin/ifconfig

Is there a reason I would not add /usr/local/sbin, /usr/sbin, /sbin to my path on Debian?


Is there a benefit to explicit use of "new EventHandler" declaration?


Htaccess redirect all traffic https, except mobile. And rewrite to non-www

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


Cannot make a static reference to the non-static method


Is there a formula to calculate the sum of all proper divisors of a number?


How to decrease ubuntu disk space and increase windows' on a dual boot win10/ubuntu 15.04?


How to show that the ideal of curve given parametrically by $x=t^3,y=t^4,z=t^5$ can not be generated by two elements?

Height and minimal number of generators of an ideal


Java installation error on ubuntu 16.04 server edision


How to extract SMSes from a non rooted device with a broken touchscreen?

How do I backup data (SMS/contacts) from a device with a broken screen?


Ajax PHP wont retrieve address bar variable

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


The formalism behind integration by substitution


I accidentally deleted all bootloaders (Windows Boot Manager and GRUB)

How to create or recover Windows Bootloader after deleting Ubuntu boot drive


Returning PRODUCTION Org to Virgin Status Without DEVELOPER Tools

refresh a production org to a starting point


Why I get an error as missing $, or missing {, or undefined environment, when I want to align the equations while using \mathbb?

Undefined control sequence error \end{gather}


Mapping main domain and subdomain to different nameservers

How exactly should I set up DNS to delegate authority for subdomains?


How to approximate standard deviation with summarized stats

How to calculate the variance of a partition of variables


In a ring $(A,+, \cdot)$ if $aba = a$ then $bab = b$ and all non zero elements in $A$ are invertible.


Unique values of the array with four fields

How to remove duplicate values from a multi-dimensional array in PHP


Attempt to invoke virtual method 'void androidx.recyclerview.widget.RecyclerView.setHasFixedSize(boolean)' on a null object reference

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


Handling parenthesis while converting infix expressions to postfix expressions


How can I find out what color scheme is used by Google App

How can I improve my color selection skill?


What happened to Dolores Umbridge after the end of Deathly Hallows?

In what interview does Rowling say Umbridge is sentenced to prison?


The first principal component line minimizes the sum of the squared perpendicular distances between each point and the line

Making sense of principal component analysis, eigenvectors & eigenvalues


Releasing locks to temp files after ArcPy script crashes in ArcMap?


Extend Email Notification Longer Than 30 seconds

Outlook 2013, New Mail Desktop Alert Goes Away After 5 Seconds


unable to boot Ubuntu 18.04 Couldn't get UEFI db list


Prove that $W_1 \cup W_2$ is subspace of $V$ if and only if $W_1 \subseteq W_2$ or $W_2 \subseteq W_1$

Union of two vector subspaces not a subspace?


properties of the smallest integer divisible by all integers up to $n$

Smallest integer divisible by all up to $n$


Find location of shell / bash function on disk

How to know where shell variables and functions are set?


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


Got scammed by a "Sugar Daddy", looking for advice on what to do now?

What should I do if I lost money in a scam?


Passport not stamped on arrival at Melbourne Airport

Passport not stamped on arrival in Australia


Why does Python 2.7 report incorrect ceiling value?

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


What does colon (':') in bash variable resolution syntax mean?


Event binding on dynamically created elements?


walk-through, walkthrough, or walk through?

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


Slow internet on desktop, but not on laptop? Where do i look to resolve this?

Windows 10 internet speed capped at half the original speed on new PC


How to write correctly chains of nouns with plurals like "Messages List" and "Apple Count" for IT


How do I check if a UIView is animating?

Test whether a UIView is in the middle of animation


Looping through the content of a file in Bash

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


How can I transform OSM road data to a graph network in 2018?


Where can I find the status of the released versions of Ubuntu?


Active users from other SE sites should be able to edit privileges descriptions on MSO

Allow users with enough reputation on Meta.SO to edit the privileges page


how can i use special characters including operands in mysql query


Must there exist a nontrivial automorphism $\pi$ in $\text{Aut}(G)$?

$|G|>2$ implies $G$ has non trivial automorphism


How to use java.net.URLConnection to fire and handle HTTP requests?


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


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


What is the proper pattern for nested schemas in Mongoose/MongoDB?


If I have the fighter's Extra Attack feature and the warlock's Thirsting Blade eldritch invocation, how many attacks can I make?

Does this strict reading of the rules allow both Extra Attack and the Thirsting Blade warlock invocation to be used together?


Refreshing when answering questions on Stack Exchange can save a draft?

Allow questions to be saved as drafts prior to posting


Fix NullpointException inside Async Try Catch (doInBackground()


When aggregating points by polygons with sp::over function, how do I include attribute data from both the points and polygons?


How can declare & initialize a property in the same statement?


How to replace the Nan or nodata values into 0?

Redefining nodata value into zero in QGIS


Vector of different objects but same parent


Checking validity of email in django/python

How to validate an email address using a regular expression?


London Transit Visa for US to Indian with Valid US H4 Visa

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


Bash - PS1 not Updating With Proper Hostname after Hostname Change in Script


what is the canonical way to check the type of input?

How to determine a Python variable's type?


How to solve this in function of the remainder

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


lualatex texlive 2016 broken with tikzexternalize

TeX Live 2016: minted doesn't work with LuaLaTeX (bug fixed in June 2016)


Are "beginner questions" allowed on Stack Overflow?

Am I allowed to be (at least a little) ignorant on SO?


Ho do I prevent the Center of a 9-Patch File to be streached?


Terminal method of formatting storage drive


How to change Date/Time format to English?


Writing a lab manual, need to know how to make the DC voltage symbol from a multimeter

Howto typeset the direct current symbol in LaTeX?


Trouble installing Ubuntu on my 64 bit laptop

My WiFi adapter is not working at all, how to troubleshoot?


Am I using wrong version of SalesForceAPI?

How do I use SessionID for subsequent requests after successfully logging in


request.method == 'GET', but has no items within the GET QueryDict object

django MultiValueDictKeyError error, how do I deal with it


Scaling a figure in twocolumn environment

Image scale won't work with \includegraphics


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


pgfplots: shade area between two table-generated curves

Filling areas under multiple adjacent curves


How can I uninstall popcorn time from Ubuntu 14.04?

How to uninstall Popcorn-Time installed with a script?


Flow chart using Tikz- spanning multiple pages


Thumbnails for Image Files on Desktop won't load


Create (L[i], L[i+1]) tuple list from list L

Iterate over all pairs of consecutive items in a list


How can I stop iPhone prompting me to setup Apple Pay in Settings?


How do I create tools with multiple properties?


How do you deal with configuration files in source control?


How come the Meta chat rooms are separate?

Why does Meta Stack Exchange have its own chat server?


Proving $f'$ can't have a jump discontinuity point

Prove that if a function $f$ has a jump at an interior point of the interval $[a,b]$ then it cannot be the derivative of any function.


Itemize without any type of bullets. Why?

How to enable bullet points when using the presento beamer theme?


Contradiction in my Lagrangian mechanics problem

How can you solve this "paradox"? Central potential


Getting an IDE mode installation of 7 to run in AHCI mode?

How can I enable AHCI on a SATA drive after installing Windows?


Do I have to disclose all academic history?

How can I legally avoid submitting a transcript to Phd programs in America or the UK


What is the range of the Enterprise-D's sensors?


What is the simplist way to convert a string of text into hexadecimal? C++

C++ convert string to hexadecimal and vice versa


how to make a full backup of ubuntu server for another computer?


Understanding JavaScript function declaration syntax

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


Can we use @EJB annotation in Apache tomcat

How to deploy EJB based application on Tomcat


Allow OP to override the result of suggested-edits review

Allow the owner of a post to approve a suggested edit even if it was rejected by reviewers


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


Way to directly enter name of new created file

Create a new document and rename it directly (in one step) in Ubuntu 18.04


Remove user and hostname from Gnome Terminal window title?


Empty plot when calling the SphericalHarmonicY function in Plot or SphericalPlot3D


Trigonometric Equation : $\sin 96^\circ \sin 12^\circ \sin x = \sin 18^\circ \sin 42^\circ \sin (12^\circ -x)$


Can LaTeX perform calculation like Excel formula table?


Access is denied because the NTFS volume is already exclusively opened


Showing that a function has the intermediate value property

Showing Intermediate Value Property Holds


What to write in email to potential PhD advisor?

How to contact professors for PhD vacancies?


Bypass a linear voltage regulator by applying a voltage at the output while input is not connected?

Drive voltage regulator Vout when Vin is floating


Explicitly construct a field with 729 elements


Name for this type of abbreviation `map{|x| x.foo}` -> `map(&:foo)`


/usr/sbin/grub-mkconfig: 35: /etc/default/grub: FROM:: not found


How to automatically store DNS entries locally after first visit, for for privacy and speed reasons?


Monday morning mistake: sudo rm -rf --no-preserve-root /


Printing out element of array, it shows hash code instead of value

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


Convert underscore to PascalCase, ie UpperCamelCase


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


Template Compiles in Header but not in Implementation

Why can templates only be implemented in the header file?


How to enable multiple logon remote desktop in Windows 7


How do I remove the Gnome's video applications?


How can I find out what causes "Android OS" to consume battery?


Trying to upgrade from 12.10 to 14.04 and not having any luck...404 error occurs

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


Is UI simplification in Microsoft's products for the past ten years motivated by user experience?

What explains the current shift from glossy UIs to matte UIs?


Encopresis: how can we encourage our child to clean himself or ask for help immediately instead of ignoring the dirty underwear?


How do I control Macbook volume when a DP display is connected?


JavaScript: client-side vs. server-side validation


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

How do I create tools with multiple properties?


Construct an explicit bijection $f:[0,1] \to (0,1]$, where $[0,1]$ is the closed interval in $\mathbb R$ and $(0,1]$ is half open.

How to define a bijection between $(0,1)$ and $(0,1]$?


How to find lines that have the same two fields and remove all but one of those lines

Removing lines from text file that contain string at beginning and string at end - and keep one


Use laptop as second monitor for another laptop

Can I use my laptop as a second monitor?


Trying to code a Tic Tac Toe for learning purpose

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


Proving that a function is not holomorphic on the disk

Open sets and holomorphic functions in Complex analysis


What are valid id and name attribute values in HTML?

What are valid values for the id attribute in HTML?


How can i sort a map by its .second parameter


what is the preposition equivalent to "divided by"

Is there a shorter term for "divided by" in American English?


Shift + Delete (Permanent Deletion Of File/Folder): Mac Equivalent

How to remap delete and shift+delete keys to delete and permanently delete a file in Mac OS X Lion?


Calling a Javascript member function of an object named in a variable


Could VLQ get the convert to comment option in the mod queue?

Answers flagged as "Very Low Quality" should have the same tools available to them as when flagged as "Not an Answer"


Is this thinking correct on how 'self' identifies between instance and static members?


Is there any way to redistribute your skills/perks?


"Having you feel that way makes me feel hopeless" or Having you feeling that way makes me feel hopeless"?

"I saw him crossing" vs. "I saw him cross"


Techqa.info - is this site related to Stack Exchange?

A site (or scraper) is copying content from Stack Exchange. What should I do?


Which nvidia driver from additional drivers option should I choose?


How do I split a string in c++ without installing additional libraries to standard Ubuntu version?

How do I iterate over the words of a string?


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


Please help me get gracenote track link data


How can I assign many values each to a different variable?

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


Simple Automation of Car Path Finding Between 2 Points

How do I calculate paths for objects with limited acceleration?


If $(G,*)$ is an abelian group, then show that $(a * b)^n = a^n * b^n$.

If $ \langle G, \star \rangle $ is an abelian group, then for all $a, b \in G$, show that $(a \star b)^{n} = a^{n} \star b^{n}$.


constructing an infinitely differentiable function

How to build a smooth "transition function" explicitly?


Get numeric position indicator on icons in taskbar?


creating regex pattern in validation.xml in Struts


Where on Earth is this Win10 lock screen image from, with a stone town in a rock crevice?

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


Is there a way to knock someone unconscious with a spell or ranged attack?

Can spells or spell-like abilities do non-lethal damage?


How to re-open a status-declined feature-request?

Can we re-request features that were declined a sufficient while ago?


Why did no-one in the Nolan Universe suspect Bruce Wayne of being Batman?

Wouldn't the use of WayneTech by Bane fully expose Bruce Wayne's identity as Batman?


How do I convert a byte array to a string?


$R$ is an associative ring with no zero divisors that has an element $a\neq 0$, such that $a*a=a$. Prove $a$ is the identity element of $R$

Idempotents in a ring without unity (rng) and no zero divisors.


Does this limit exist? if so what is it?


How do you show $\lim\limits_{h \to 0} \frac{a^h-1}{h} = 1$ when a = e?

How to prove that $\lim_{h\to 0} \, \frac{e^h-1}{h}$


MTG - Cards that share names stack abilities?

Identical creatures entering the battlefield


Unexpected result from multiplication of singles(floats) in c#


Do we know why the Night's Watch has diminished so much?

Why is the Night's Watch so depleted at the start of ASOIAF?


New high quality tire doesn't sit evenly on the rim


Isn't the uncertainty principle just non-fundamental limitations in our current technology that could be removed in a more advanced civilization?


about luminance and illuminance: what is the difference?

What is the difference between luminance and illuminance?


How to export data from SQL Server database

Import / Export database with SQL Server Server Management Studio


How to add users to vboxusers to enable USB usage


Stop Windows 7 From Automatically Adjusting Recording Device Audio Levels

How do I disable microphone volume auto-adjusting?


How can I fix a 403 Forbidden Error when using a PPA or updating my package lists?

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


How to preserve SEO value when building a completely new website?

Does editing a Wordpress Theme from scratch affect SEO?


Let $S=\{1,2,3,\ldots, 2n\}.$ If $P\subseteq S$ such that $x,y\in P \rightarrow x\nmid y$ and $y \nmid x$ then what is the maximum cardinality of $P$

Each number in a subset $S\subseteq \{1,\ldots,2n\}$ does not divide another one. Then $\max |S|$?


Adding backslashes without escaping [Python]


Conventions regarding the use of space in mathematical expressions

When one should use spacing line \quad or \,


How to extract http links from a paragraph and store them in a array on php

How to add anchor tag to a URL from text input


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


What makes elementary functions elementary?


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


Open neighborhood of the identity in general linear group with no proper subgroup.

Open neighborhood of the identity with no proper subgroup.


Showing $\mathbf Q(\sqrt2,\sqrt3)=\mathbf Q(\sqrt2+\sqrt3)$

Is $\mathbf{Q}(\sqrt{2}, \sqrt{3}) = \mathbf{Q}(\sqrt{2}+\sqrt{3})$?


Struggling to design a sliding 3x3 puzzle with methods to swap tiles

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


Which browsers are officially supported, and what else do I need?


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


Attempt to invoke virtual method 'android.widget.Filter com.app.app.adapter.TextTypingCustomAdapter.getFilter()' on a null object reference


What is the difference between String and string in C#?


Question mark or bold citation key instead of citation number


Number theory: $(a + b)^p ≡ a^p + b^p\pmod{p}$

Proof for: $(a+b)^{p} \equiv a^p + b^p \pmod p$


Hard Disk Not Being Recognized: "Reboot and Select proper Boot device"

Computer doesn't boot up, shows PXE error and/or "operating system not found", "no bootable device", "insert boot media", or other similar error


Cannot remove extra margin/padding between divs even though reset.css used

How do I remove the space between inline/inline-block elements?


Set Default Keyboard without having to long hold text input?

how to change input method with ime command


How to prove CP^1 homeomorphic two-dimensional sphere

$\mathbb{C}\mathbb{P}^1$ is homeomorphic to $S^2$


References on the History of Linear Algebra


Why do similar matrices represent the same linear transformation?

Similar Matrices and Linear Transformations


Can someone explain the meaning of $\setminus$ in operations with sets?

What means a "$\setminus$" logic symbol?


array package: problem with >{declarations} in preamble: Extra alignment tab has been changed to \cr


Feedback on my answer for $X^n + Y^n = Z^n $

The equation $X^{n} + Y^{n} = Z^{n}$ , where $ n \geq 3$ is a natural number, has no solutions at all where $X,Y,Z$ are intergers.


Ring with unity. Show that if ab units, then a and b are units.


Someone just went through and downvoted my questions that are years old. Can anything be done about this?

What is serial voting and how does it affect me?


Why are my kitties merchants, engineers and managers?

What do the special options in the Census menu do?


Finite Cartesian Product of Countable sets is countable?


How to detect old installation and offer removal?

Inno Setup: How to automatically uninstall previous installed version?


List Box string changes on the basis of Time

How do I update the GUI from another thread?


The function is real, while its integral is complex

DSolve gives complex function although the solution is a real one


Find limit of a sequence $Y_n$ when $Y_n = X_{2n}$ and limit $X_n=l$

Prove: If a sequence converges, then every subsequence converges to the same limit.


I ran into the same grub issue of not being able to install grub, but have an answer

install the grub boot loader on a hard disk` failed on my pc


Creating a unique hash code based on some properties of an object

What is the best algorithm for overriding GetHashCode?


How do I change the vim background color (not Normal)

How do I change the unused background color in vim?


How is there energy transferred when net work done is zero?

Net work done on the body when we lift it and put it on the table is zero?


Combinatorial Proof, Binomial Coefficients

Combinatorial Proof Question: Vandermonde convolution identity


Number of draws required for ensuring 90% of different colors in the urn with large populations

drawing at least 90% of colors from urn with large populations


Help creating 3D solids of revolution in pgfplots?

PGFplots 3d: Creating a filled solid of revolution


Is there any way of creating an array filled with a particular value in java?


How badly does failing a core class and retaking it hurt your chances at grad school programs?

Does a bad grade in one course (with otherwise OK record) affect graduate admissions?


Why do we pronounce Dean as /diːn/ but Sean as /ʃɒn/?


How to enter accented letters into mysql database with php?


Obtaining part of an expression from a position

Why does `Position` by default return a list of lists of positions instead of a simple list of positions?


Ubuntu Software Store on 16.04 Missing Many apps and menus

Why is Ubuntu Software Center dropping previously provided applications?


Does there exist a 2D harmonic function which never goes to ∞ at any point, goes to 0 as r goes to ∞, and isn't f=0?

Show bounded harmonic function on $\mathbb{C}$ is constant.


A top on a string from the perspective of forces

Gyroscope's motion explained by internal forces


Sum of series having binomial coefficients

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


Proving $\cos A \cdot \cos 2 A \cdot \cos 4 A \cdots \cos 2^{n-1} A = \frac{\sin 2^n A}{2^n \sin A}$

Proving: $\cos A \cdot \cos 2A \cdot \cos 2^{2}A \cdot \cos 2^{3}A ... \cos 2^{n-1}A = \frac { \sin 2^n A}{ 2^n \sin A } $


perl install Image::Imlib2 won't work on Mac OSX Mavericks

Using X11 in OSX 10.8.3 : "ld: library not found for -lX11"


log bash command centralized server or any auditd saas

How to log every linux command to a logserver


unable to uninstall comodo on 12.04 lts 32-bit system

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


Prove that if $A_1,A_2,...,A_n$ are finite sets, then $\bigcup_{i=1}^{n} A_{i}$ is finite.

Proving $ \bigcup_{i=1}^n A_{i} \text{ is finite.} $ by Induction.


CentOS7 Can't install VBoxGuestAdditions because kernel headers not found

Want to install VirtualBox Guest Additions on CentOS 7 but get a header mismatch


How to control fan speed in macOS Sierra?


Convert animated gif to one image with Rmagic (image magic)

Getting first image in gif using carrierwave


How should I interpret advisor overly positive feedbacks?

How to work with an overly positive advisor?


Comparing arrays in JUnit assertions, concise built-in way?


Python: TypeError: can't multiply sequence by non-int of type str

Why do I get TypeError: can't multiply sequence by non-int of type 'float'?


Marketing Cloud to send emails through Amazon SES


Error 40: Could not open a connection to SQL Server

error: 40 - Could not open a connection to SQL Server


Prove for any positive odd integer $n$, $3\mid n$ or $n^2 \equiv 1 \pmod {12}$

Prove that if b is coprime to 6 then $b^2 \equiv 1 $ (mod 24)


C++: including header file results in "symbol(s) not found for architecture", while including .cpp file works

Why can templates only be implemented in the header file?


How do I change how often the Mac App Store in High Sierra checks for updates or notifies me about them?

Change update frequency of App Store in Yosemite?


Why search doesn't show proper relevant posts (which I can see as suggestion when trying to write a question)

Why are "Questions that may already have your answer" search results better than the actual search results?


Facing difficulty in initializing list in python with some values

List of lists changes reflected across sublists unexpectedly


Garbage Collection and threshold values of various generations

.NET 4 GC known thresholds to trigger collection?


What chapters of akame ga kill cover the anime?

What are the differences between the Akame Ga Kill! manga and anime?


Capturing the result of a command for later use

How do I get the result of a command in a variable in windows?


How to override Insufficient Privileges Error


What is it called when a non-verb is used as a verb?


A tetrahedron inside another tetrahedron. Could the contained tetrahedron have a greater perimeter then the outside one?

Can a tetrahedron lying completely inside another tetrahedron have a larger sum of edge lengths?


Your IBM Quantum account has been disabled

My IBM quantum account has been disabled


Rigid and soft body collision - no interaction

How to create and design hoops net and attach ot to a hoop?


Could image links on uploads to i.stack.imgur.com use HTTPS instead of HTTP?

Make all i.stack.imgur.com links protocol-relative


More Flight Routes from India to Grand Cayman

Flight from India to Cayman islands non -via USA/UK


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


creating a multidimensional list in python

List of lists changes reflected across sublists unexpectedly


Remove the restricton of attaching images with low reputation


A first-countable, compact space which is non-separable

Looking for examples of first countable, compact spaces which is not separable


Has SO apologized for their licensing fait accompli?

Will concerns regarding the move to CC BY-SA 4.0 elicit any further dialogue from Stack Exchange, Inc.?


Attribute returns Null Pointer Exception

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


Apply solution rules to new functions as parameters

How are parameters evaluated for a Plot in Manipulate


Notification for specific user's answers

A "friends list" on Stack Overflow would be nice


How to interpret F- and p-value in ANOVA?


Is the ring $\Bbb Z[x] /\langle x^2-1\rangle$ isomorphic to $\Bbb Z \times \Bbb Z$???

$\mathbb{Z}[X]/(X^2-1)$ is not isomorphic with $\mathbb{Z}\times \mathbb{Z}$


Can I use Launchpad to replace the ubuntu software centre?

How can I use LaunchPad.net packages in 11.04?


How to prove that $\int_{0}^{\pi}\left|{\sin{nx}\over x}\right|\,\mathrm dx\ge{2\over\pi} \sum\limits_{k = 1}^n \frac1k$

Prove $\forall n \in \mathbb{N}: \int_{0}^{\frac{\pi}{2}} |\frac{\sin(nx)}{x}|dx \geq \frac{2}{\pi}\sum_{k=1}^{n}\frac{1}{k}$


how long time to get approve for Apple Developer Program enrollment?


Denoise a bunch of images with correct output names


How to find List has duplicate values in List


know how many watts a USB device is consuming


How do I limit the number of rows returned by an Oracle query after ordering?


Large header image on top of the sharepoint


Is there a way to run an update and upgrade in one command?

One single command to update everything in Ubuntu?


Steepest descent method and how to find the weighting factor


Why don't electromagnetic waves need vacuum to move?

How do electromagnetic waves travel in a vacuum?


Prove that the generators of $\mathbb{Z}_n$ are the integers $r$ such that $0\leq r <n$ and $\gcd(r,n)=1$.

How to find a generator of a cyclic group?


Linear Algebra - Elementary Canonical Forms

Matrix is either null or similar to the elementary matrix $E_{2,1}$


Change a normal submit 'input' type to 'button' type with button tag


Restrict the range of a script that replaces input data to a certain range


How do I iterate through a Dynamic type array

How to cast System.Object[*] to System.Object[]


Ordering the list (of questions) with the suitable knowledge matching to the users knowledge

How about a difficulty rating for questions?


Removing a file with non-printing characters

How can I delete a file which filename has non-printing characters


Example of a ring with an infinite inclusion chain of ideals

Example of integral domain with infinitely ascending chain of ideals.


Double click with the keyboard instead of the mouse?

Set mouse or keyboard button to simulate left click and hold or rapid left click repeating in Windows?


How to check if the email address exist?

Is there an implementable (non-theoretical) way to prove if email address belong to real email account?


Delete files older than 10 days using shell script in Unix

Shell script to delete directories older than n days


Can this be stretched without an actual stretching?


Shamir Secret Sharing: Using $a_0 \ldots a_k$ to store secret?

Why only one secret value with Shamir's secret sharing?


Which Stack Exchange site is fit for asking domains and hosting related questions?

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


Allow people to answer protected questions if they have earned at least some amount of combined SE rep


How to test whether a file uses CRLF or LF without modifying it?


How to open a python script with a constructor variable

How to read/process command line arguments?


footer doesn't appear on bottom of page when using 100vh

How can I position my div at the bottom of its container?


List of lists changes reflected across sublists unexpectedly


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


Is irrational times rational always irrational?

Prove that the product of a non-zero rational and irrational number is irrational.


.fbx export why there are no materials or textures?


Decoding the Playfair cipher with a crib

How to attack a classical cipher using known partial plaintext?


c# use base type generic parameter type name in derived class

How do I alias a class name in C#, without having to add a line of code to every file that uses the class?


How to direct main domain pages to sub domain

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


Unsure which answer to accept - Most correct or Most inline with question


If a group and its quotient group are isomorphic, the normal subgroup only has identity element?

Does $G\cong G/H$ imply that $H$ is trivial?


How to compute: $ \lim\limits_{a\to \infty}\frac1a\int_1^a a^{\frac1x} dx$

Computing $\lim_{A\to\infty} \frac{1}{A} \int\limits_1^A \! A^{\frac{1}{x}} \, \mathrm{d}x.$


Can Excel's Find formula have multiple find_text criteria?

Find and replace multiple values within selected cells


Extract the outer points of a Point Shape into a Line Shape?

Converting point sets to polygon boundaries?


To find all functions $h:\mathbb{R}\to\mathbb{R}$ such that $h(x+y) = h(x)+h(y)$ and $h(xy)=h(x)h(y)$

Functional equations $f(x+y)= f(x) + f(y)$ and $f(xy)= f(x)f(y)$


Do I need a DSL splitter if my connection is internet only?

Is a DSL splitter required, if only a Modem is attached to the line?


If a,b,c,d are positive integers with a sum of 63, what is the maximum value of ab + bc + cd ? (By using calculus to solve it))


Javascript event when mouse leaves browser window

How can I detect when the mouse leaves the window?


Non-bold text to take the space of bold text

Inline elements shifting when made bold on hover


Why is ArcMap editor deleting some added vertices and simplifying polygon?


Can I make edits made in edit mode appear in animations?

How to animate a mesh that changes through editing?


Multiclass Segmentation Using U-Net: My training loss is not decreasing after certain epoch (accuracy not increasing)

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


Using a definite integral find the value of $\lim_{n\rightarrow \infty }(\frac{1}{n}+\frac{1}{n+1}+...+\frac{1}{2n})$

The limit of truncated sums of harmonic series, $\lim\limits_{k\to\infty}\sum_{n=k+1}^{2k}{\frac{1}{n}}$


ConcurrentModificationError Java, else if statement and for each loops (I don't know and can't use iterators)

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


Copy the Windows 7 files to Ubuntu 14.04

How do I recover my accidentally lost Windows partitions after installing Ubuntu?


How to reduce and remove Physical Volume from active Logical Volume?


Iterative way to find roots of confluent hypergeometric function

Finding the roots of Hypergeometric1F1[]


Find the sum of the series $\frac{1}{1\cdot 2\cdot 3}+\frac{1}{4\cdot 5\cdot 6}+\frac{1}{7\cdot 8\cdot 9}+...=$

How find this sum $\sum\limits_{n=0}^{\infty}\frac{1}{(3n+1)(3n+2)(3n+3)}$


Typesetting a matrix with crossing arrows on it


Unexpected closing bracket with split php code


How to use intergrated graphics instead of dedicated

How do I run the integrated video adaptor alongside the GPU on an intel?


Generating and Imaging of the water molecules with Graphics3D

Using ChemicalData to make molecule graphics


Wikipedia entry on likelihood seems ambiguous


Number of ways arranging 5 letter word from the word "Calculus"

$4$ letter words taken from the letters of CONCENTRATIONS


How do I use reflection to call a generic method?


Looking at the content of a character device's file

What are character special and block special files in a unix system?


Overstayed in the Philippines for years: How to go back to the US without paying a big fine?


Is there a way of recording keystrokes while editing?


Convergence of the series $\sum \limits_{n=2}^{\infty} \frac{1}{n\log^s n}$


Unable to install api file from another developer through xcode

"a valid provisioning file for this executable was not found" in XCode


bibliography author-year style, without hyperlinks


Get full datepicker date when mouse hover it Jquery/Java-Script


Do “noopener noreferrer” links count as backlinks?


Can't pass null for argument 'pathString' in child() When i try to open the activity (app crashed)

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


Movie : Humanity found the cure for old age, but some people that used it turn into monkey-beasts

90s (or earlier) SciFi movie - glowing lights in chests to indicate attraction


How does light speed up after coming out of a glass slab?


Fantasy novel where the character had to collect pendants

Children's fantasy series with a symbol consisting of a circle divided into quarters


Structure of a group, $G$, of order $pq$ where $p, q$ are prime.


Story about relearning basic/advanced math/physics after (possibly apocalyptical) event

Short story: people rediscover how to do math and want to put people in bombs


List of lists changes reflected across sublists unexpectedly


Front end displaying all lines as dashed lines

Why PlotStyle->Dashed make everything dashed?


Public DNS conflicts with Networks internal DNS

Windows Active Directory naming best practices?


How to make sure a pdf file is always downloaded

How to force a pdf download automatically?


Probability to guess the right coin without tossing


What is the difference between != and =! in Java?


Windows 7 compressing doesn't reduce space

How does the Windows 7 compression property weigh in against other compression methods?


Flag post to another website of the stackexchange network - why so few choices?


How do I set a password for guest login?


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


One battery slot of a set kills its sitting battery

One battery slot kills its sitting battery


Minecraft "A fatal error has been detected by the Java Runtime Environment"

Minecraft crashes on launch with EXCEPTION_ACCESS_VIOLATION, Problematic frame: ig4dev32.dll or ig4dev64.dll or ig4icd32.dll or ig4icd64.dll


Why "[[None] * 3] * 3" is wrong in python?

List of lists changes reflected across sublists unexpectedly


How to grep standard error stream (stderr)?


Printing size for a bus design 1:1 100 dpi?

What resolution should a large format artwork for print be?


How to generate Unique ID without form submission in php ajax


Add additional question to faq about avoiding duplicates?

How can I avoid asking duplicate questions?


Prove $\Delta_X$ is closed iff X is Hausdorff

$X$ is Hausdorff if and only if the diagonal of $X\times X$ is closed


Vector spaces for the irreducible representations of the Lorentz Group


Dos and Don'ts of \countdef\mycount= and \newcount vs \newcounter{} in LaTeX


What does -1 signify in system.schema_version?

A disabled module has a schema version of -1, how can I enable the module and then run DB updates using hook_update_N?


How do I extract query parameters from a URL string in PHP?


How to stop insertion of duplicate data into sql (for login query)

Adding a constraint to prevent duplicates in SQL Update Trigger


How can I install without a USB or CD? I have tried UNetbootin and wubi

How can I install Ubuntu 13.04 + without USB, CD, DVD or Net? (hard drive only)


How are the various Links, Zeldas and Ganondorfs related and connected?

Are the various "Zelda" games supposed to take place in a common universe?


Can a rider move using his mount, attack from his mount, then have the mount dash away?


Let $a,b$ be positive integers such that $a\mid b^2 , b^2\mid a^3 , a^3\mid b^4 \ldots$ so on , then $a=b$?


Probability of a player winning again after i games


Cant boot from windows 8 after installing Ubuntu 13.04

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


How To Install Unbuntu Along Windows Sharing 2 Hard Drives


Rim brakes causing vibration and 'honking' noise, like a flock of angry geese

How do I make my rim brakes stop squealing?


How to fetch data from SQLite and populate it to RecyclerView in a Fragment?

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


Is there a way to practice with weapons and buildings in Fortnite: Battle Royale?

Can I play/practice Fortnite's Battle Royale locally?


What is the linq equivalent to the SQL IN operator


I spilled tea on my laptop and now my touchpad isn't working


What is this ICON -circle with a plus sign in the middle?


Function to convert column number to letter?


Algebraic Closure and $p$-adic completion: do they commute?

Completion and algebraic closure commutable


Displacement not working with node editor

Getting "experimental" true displacement to work


Energy Saving on Ubuntu PC's (not Laptops!)

Is there a power saving application similar to Jupiter?


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


Does a polymorphed creature remember who his friends are?


Latex Table giving me an error: Missing $ inserted


How do I disable updates in Ubuntu 20.04?

How to disable automatic updates on Kubuntu 20.04?


Why are the Daleks considered a threatening enemy?


How to calculate the difference between two dates using PHP?


Show that not exists any polynomial function such that $f(x) = \log (1+x)$.

Show that, for $t>0$, $\log t$ is not a polynomial.


Why does ubuntu create a W95 FAT32 volume during installation?


Javascript create variable from its name


How to set a beamer theme with multiple background images on a beamer?

setbackgroundtemplate on title page within custom theme file


Is there a proof for $\frac{\mathrm{d}y}{\mathrm{d}x} = - \frac{\frac{\partial }{\partial x}}{\frac{\partial }{\partial y}}$?

Proving $f' = - \frac{\partial{F}/\partial{x}}{\partial{F}/\partial{y}}$


MiKTeX: [...] does not seem to be a local package repository


Why am I getting a nullpointer exception? (Beginner)

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


Setting no proxy, proxy and Authenticating network from terminal


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


Block specific IP for a number of minutes after 10 connections

How to ban an IP temporarily after several incorrect password attempts?


What steps to add a user to a system without using useradd/adduser?


Are there any free online GIS courses based around using QGIS?

Seeking QGIS tutorials and web resources?


RegEx search for X if true then return emty string else return the whole string

Regular expression to match a line that doesn't contain a word


I am trying to create form by putting form requirement and it's not working


Alt-click is not selecting edge loops in lInux

How to use the Alt + Right click in edit mode in Linux


How to remove bad characters from the stdout in paramiko

Remove specific characters from a string in Python


Show number of items to review in the main menu

Notify users of possible reviews on toolbar


How to prove that ├ (¬¬φ⇒φ) and ├ (φ⇒¬¬φ) based on deduction and/or proof by contradiction?

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


In multivariate normal distribution, what does it imply if the covariance matrix does not have full rank

What is rank deficiency, and how to deal with it?


Is there anything like USB adapter for RAM?

Is USB RAM or a USB processor a feasible concept?


Ubuntu Server on 80GB disk; root partition is too small

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


Placing an article before or after an adjective


Why don't elementary particles with spin $\frac{3}{2}$ exist?

What are the mathematical problems in introducing Spin 3/2 fermions?


Return AJAX images but jQuery click doesn't work

Event binding on dynamically created elements?


Application icon not displaying for running app

Icon missing when application is launched


VPN that works in China as of October 2017

What is currently the most reliable VPN for China?


Latex inserts blank line AND indents new paragraph

How to prevent the paragraphs to spread out over the page?


What part of chmod 770 am I misunderstanding?

I added a user to a group, but group permissions on files still have no effect


Local variable referenced before assignment in if statement

UnboundLocalError on local variable when reassigned after first use


How does Newton's 2-prism experiment help to explain why light does not get dispersed into 7-colors in a parallel glass slab?

Can anyone explain to me why light is not dispersed into a spectrum through a parallel glass slide, but only through a prism?


How do I recover my accidentally lost Windows partitions after installing Ubuntu?


Can I skip first segment of multi-airline ticket?

Not flying the first leg of the journey – Company cancels the second-leg ticket


How to display a reference image in a new window?

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


How to enable ssh on startup in opensuse

What causes the 'Connection Refused' message?


Combining multiple data frames with different number of columns

Combine two data frames by rows (rbind) when they have different sets of columns


What is the correct order and setup of AC coupling capacitor and line driver?

how to hard-bypass the input of a line driver with a switch?


Open an .ico file in Photoshop or Illustrator?

How to open or save as ico in Photoshop CS6


Minecraft Closes Randomly with a Java Exception


Are all stack exchange badges the same and if so why?

Is it possible to have site-specific badges?


How do I turn my USB into a bootable device?

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


Pass a list to a function to act as multiple arguments


How can I install a Canon printer or scanner driver?


How to write superscript characters in gedit?

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


Skipping time points in autoregressive modeling?

Skipping lags in autoregressive modeling?


First chapter appearing before first line in table of contents


How to read this kind of XML with PHP simpleXML

PHP library for parsing XML with a colons in tag names?


Add property to anonymous type after creation


How to reinstall Ubuntu over my old installation?

How to reinstall Ubuntu keeping my data intact?


Anyway to hack a portable AC unit to cool 2 rooms

One portable air conditioner - want to use it in two rooms


Quote unquote (or end-quote), unseparated by the actual quotation


RegEx match open tags except XHTML self-contained tags


How do I run a Bash command via a PY file?


"Trying Ubuntu" Can't install programs! Help!

How do I install applications in Ubuntu?


OnClick Listener Does Not Change Text As Expected

OnClick Listener Is Not Function As Expected


What can I do if I forgot my Windows password?


Authenticate to Stack Exchange using GitHub


What to do when a user radically changes their own question?

Exit strategies for "chameleon questions"


Does Mathematica have a built-in tool that allows one to operate on both sides of an equation?


getting Null Pointer Exception to parse Json data using Gson

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


List the file permissions of only the current directory

How can I make ls show information about the directory specified only, not info about its sub-files or folder contents?


run a c# program in the background continuously on a computer

how to continuously run a c# console application in background


What desktop environments can group window icons in the taskbar like Windows 7?


$\lim_{n\to \infty}\sum_{j=0}^{[n/2]} \frac{1}{n} f\left( \frac{j}{n}\right)$


How can I make the display and the value different for a html form datalist option?

Show datalist labels but submit the actual value


How could I make a text wrap around the irregular photo?


Is there a way to just skip $15 from the regex and rest will be considered as pattern = "this is $15 Fee will be (\$\d+\.?\d+)"

How to escape text for regular expression in Java


Prove by induction that $\sqrt[n+1]{n+1}<\sqrt[n]{n}$ for $n\ge 3$

Prove by induction that for all $n \geq 3$: $n^{n+1} > (n+1)^n$


Change URL in Web Address in Browser, but Don't Go There

Change the URL in the browser without loading the new page using JavaScript


First Undefined Variable then Undefined offset

Reference - What does this error mean in PHP?


Shell Script for logging into a ssh server


How can I get more of this macro photo in focus?


How can I set a system variable in NetBeans, System.getenv()?

How do I set environment variables from Java?


How to apply self in method parameter in Python

Initialize parameter of method with default value


How do you find the top rated user for a specific tag?


`*` in the `glob.glob(pathname, *, recursive=False)`

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


The difference between 'I don't know nothing else' and 'I know nothing else'


WPF Resource file attached to Style file: Error -> The name 'InitializeComponent' does not exist in the current context

Is it possible to set code behind a resource dictionary in WPF for event handling?


proving the inequality $\triangle\leq \frac{1}{4}\sqrt{(a+b+c)\cdot abc}$


Show convergence of a serie with unknown exponent

Convergence of $\sum \frac{\sqrt{a_n}}{n^p}$


When should a verb be followed by a gerund instead of an infinitive?


Proving $\kappa^{\lambda} = |\{X: X \subseteq \kappa, |X|=\lambda\}|$

Proving that for infinite $\kappa$, $|[\kappa]^\lambda|=\kappa^\lambda$


Elegant operations on matrix rows and columns


SOAP request parameter in PHP, need 2 value with the same key in array


How choreographed/scripted is wrestling?


SendMessage/SC_MONITORPOWER won't turn monitor ON when running Windows 8


Can I write with the pencil on a tablet and get a document .tex? What tablet you recommend?


Unknown angle in an isosceles triangle with inscribed triangles having angles 20°,30°,50°,60°


How to make $((5/2)) deliver a floating point number?

Is it possible to get a decimal output from doing division in Bash?


What kind of action is it to stop concentrating on a spell?

How does maintaining a Concentration spell work?


fill between in pgfplots changes legend font

Scaling problem with fillbetween in pgfplots


New to Ubuntu, question on usage of 'du'

No more disk space: How can I find what is taking up the space?


What are the differences between: main(){}, int main(){} and int main(void){}


Desktop with no 'sidebars' and cannot get out unless switch off computer


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


Can I change 64-bit Windows into 32-bit Windows without reinstalling?

Can I convert a 64 bit Windows to 32 bit Windows?


What's the difference between "That is not good" & "That is not well"? In what context each expression should be used?


Visual Studio: Using external files (without copying them)


A person who has not joined IMO, can contribute to mathematics in the future?

Is being good at mathematic contests necessary to pursue a career in mathematics or physics?


What is the energy density of a 10 solar mass black hole as if the mass is distributed throughout the volume of the event horizon.?

What is exactly the density of a black hole and how can it be calculated?


Is there a java equivalent of python's dict.items()/dict.values()/dict.keys()?

How do I efficiently iterate over each entry in a Java Map?


Conflict between TikZ and university thesis class file


Has anyone successfully downgraded there moto G v2 from lollipop?

how to downgrade moto g 2nd gen from lollipop to kitkat without root


"GPG error: Release: The following signatures were invalid: BADSIG"


What is the problem with this figure "proving" that $273=272$?


Interesting equation over the naturals with powers

Prove that there does not exist integer solutions for the diophantine equation $x^5 - y^2 = 4$.


Could not open file archive.ubuntu.com_ubuntu_dists_eoan-updates_restricted_cnf_Commands-amd64.xz


Computer won't boot without a USB drive?

Can't boot without Flash Drive plugged in


How to denote "undefined" as a predicate?

Is there a symbol to mean 'this is undefined'?


Sed to replace string of 10 characters with 'XXXX '

How to find and replace using sed on records starting with Specific number


Remove base from the custom post type URL

How to prefix post permalinks with /blog/ - without affecting custom post types?


Sort user defined objects with multiple constraints in a single stretch using java

How to compare objects by multiple fields


Show Files and Folders Sorted by name NOT Folders First then Files

Windows Explorer sorts files and folders separately


What's the origin of "wife-beater" when used as a sleeveless shirt and why is it not frowned upon?


Find which HT-cores are sharing a physical core from /proc/cpuinfo


java difference between "ClassName className" and "ClassName className = new Class(property)

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


Do I need a firewall if the service doesn't listen on all interfaces?

Why would I need a firewall if my server is well configured?


Sort a tab delimited file based on column sort command bash


Is it bad-practice to have a high citation to content ratio in academic writing?

Is there such thing as too many references for one paper?


Finding the limit of $x_n=\frac{1+2^2+\cdots+n^n}{n^n}$


Squash my last X commits together using Git


If I buy the Destiny Legendary Edition, will my original game data be ignored/overwritten?


Constructor is not called in this aggregation class


Why do I get NullPointerException from AsyncTask?


Possible to insert class based on language?

How do I add a class to the HTML "body" tag programmatically?


How to redirect html button -> Servlet -> another html page?


When do comments on deleted posts show up in your comment history?

Comments on withdrawn moderator nomination posts are still visible in user profile


Group by + Order by Behavior Explanation?

Why am I getting different results from a query vs. a view


Error Displaying last 10 minutes log with awk

Display lines in last 10 minutes with specific pattern in logs


How to convert list of strings into list of lists of characters

List of lists changes reflected across sublists unexpectedly


NullPointerException When starting from constructor

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


Resizing partition with 18.04 does not succeed with GParted

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


Where is the photo for the outlook sign in page taken?

Does anyone know the location of this login hotmail background?


How to rename multiple files like in Windows


How to evaluate $\int_{0}^{+\infty}\exp(-ax^2-\frac b{x^2})\,dx$ for $a,b>0$


Multiple types were found that match the controller named 'Home'


Array.forEach() and Array.slice() together doesn't work correctly

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


How to handle infinite loop caused by invalid input (InputMismatchException) using Scanner


Generated HTML and jQuery issue - ASP.NET MVC

Event binding on dynamically created elements?


$\left\langle A,\leq_{A}\right\rangle $ is a totally ordered set with the property that $\{b\in A\mid b\leq_{A}a\}$ is finite for each $a \in A$

Linear order where every initial segment is finite


UFW Forwarding on Port 80 to port 3000 on Single VPS


Finding the number of roots of the equation


Show that there exist a polynomial $q_n(x) \in \mathbb Q[x] $ satisfying $p_n(x)=(x-1)^2q_n(x)$.

Prove that the polynomial $f_n(x)=nx^{n+1}-(n+1)x^n+1$ is divisible by $(x-1)^2$


How to add HTML with PHP passing headers

How to fix "Headers already sent" error in PHP


Can I damage my camera's lens mount by lifting it with a super-tele lens attached?

Where can I find the maximum lens weight for my camera?


could i connect my laptop with dish TV setup box through HDMI port


Cardinalities of the intervals $(-1,1)$ and $[-1,1]$

Bijection between an open and a closed interval


Java, why is toLowerCase() not working in if condition, only print?


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


Current sense circuit for 0.1uA to 100mA dynamic range


How to install HPLIP on my Ubuntu to support my HP printer and/or scanner?


SQL - Convert text to a list of numeric values


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


Javascript's Global Object's (window object) properties apart from default properties


How does Ubuntu prioritize repositories?


How to quickly move into and from deeply nested directories through CLI?

giving a short name for frequently opened directory via terminal


what should be there in refresh plan in saleforce


How are messages larger than 512 bits padded in SHA-256?


What is the difference between front-page.php and home.php?

Template Hierarchy: confused with index.php, front-page.php, home.php


How do spell lists change if the party levels up without taking a long rest?


Order of a factor group and whether it is cyclic

What is the order of $(\mathbb{Z} \oplus \mathbb{Z})/ \langle (2,2) \rangle$ and is it cyclic?


Where does the automated/automatic come from in ADR?


Square of largest area inscribed in a right triangle


Do you need to see where you move a flaming sphere as a bonus action?

Can spells with movable areas of effect be moved out of sight or behind obstacles?


how to remove a letter that shows multiple times if you only want on of it to show up?

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


Special symbols in Spring request`s parameters


Does the light from Branding Smite persist after the target dies?

If a creature was flying via the Fly spell and dies, does it continue flying?


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


The style of the title of a book @incollection shown in the bibliography

BibTeX loses capitals when creating .bbl file


Blender image output is greyish and not white


Ubuntu scalable nginx mongodb mongdb memcached server configuration


What is the proof that a force applied on a rigid body will cause it to rotate around its center of mass?


How to get rid of update notifications for a given app in Google Play Store?


Will learning Objective-C before C help you pick up C later on?

Learn C first before learning Objective-C


In residual sum of squares, why do we need to square?

Why squared residuals instead of absolute residuals in OLS estimation?


Retrieve cryptographic key knowing cyphertext and plaintext

The difference between these 4 breaking Cipher techniques?


For loop assignments overflow into another variable

How do I determine the size of my array in C?


Are there good alternatives to "making the best of a bad situation?"

Idiom for the phrase "getting a good result from a bad situation or with a bad condition"?


Bringing my Japanese akita dog with me from Europe to the US, preferably in cabin

Which airlines allow in-cabin pets on transatlantic flights?


What is the default root password for a Toshiba Chromebook 1?

How to gain sudo access after powerwashing (factory resetting) my computer?


Regex for accepting greek characters with tone char(')


Proving we can partition $\Bbb R^+$ into two sets which are closed under addition and Zorn's lemma

Using Zorn's lemma show that $\mathbb R^+$ is the disjoint union of two sets closed under addition.


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


Can't open file manager after 24 hr continuous use of Ubuntu 16.04

How can I diagnose/debug "maximum number of clients reached" X errors?


C# Creating a unique ID based on hardware ids

Is there really any way to uniquely identify any computer at all


How did “to doctor” come to mean “to falsify"?

Where does the phrase "doctored" originate?


How do I fix Dell Lat. D630 Laptop clock gains 5 hours coming out of Ubuntu Mate 16.04 LTS back to Win 7 Pro?


Difference between Integer.parseInt(“10“); and Integer.valueOf(“10“);

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


How do I remove curly brackets around each element in a list?


How to compute the determinant of a tridiagonal matrix with constant diagonals?


Finding eigenvectors with given set of eigenvalues


Autocad DXF to Qgis and exporting to KML for viewing in Google Maps


chrome.storage.local.set doesn't save data locally

onclick or inline script isn't working in extension


Is the motion of rotation perfectly symmetrical?

Why do we say that the Earth moves around the Sun?


Best VNC / remote desktop software for assistance


Will reputation spiral out of all control?


Is this sentence grammatically correct? [I'm passionate about anything marketing]


Black pixels in render when using Cycles material


proof that translation of a function converges to function in $L^1$


How to compile a single file with maven?


Javascript function won't return variable correctly

How do I return the response from an asynchronous call?


How to prove $ax \equiv 0 \mod m$ has solutions $x \not\equiv 0$ if $\gcd(a,m) \not= 1$

How to prove $\bar{m}$ is a zero divisor in $\mathbb{Z}_n$ if and only if $m,n$ are not coprime


PHP/HTML Input field with multiple checkboxes

How to submit multiple array checkbox with html forms


The random variables $X$ and $Y$ have the joint density $f_{X,Y}(x,y)=...$

Given a joint density function, what is the conditional expectation $E[Y|x]$?


Photoelectric smoke alarms leds harmful?


What was the data they needed from the black hole?

Why will data from a black hole solve the gravity problem?


Error while reading strings and integers from a file


Fermat's Little Theorem: Proving an integer exists which satisfies the following criteria mod $5$

The inverse is a root of the reciprocal (reverse) polynomial.


Prevent user from unpinning items on the taskbar on Windows 10?

Is it possible to hide the pin/unpin buttons for items on the task bar?


Why `type(x) == int or float` doesn't work?


Rotate one column and Select it comma seperated

Inner Join Two Table, aggregating varchar fields


Projected maps should but do not overlap in ArcMap?

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


C: Multiple scanf's, when I enter in a value for one scanf it skips the second scanf

scanf() leaves the new line char in the buffer


String concatenation aggregation - SQL Server

Simulating group_concat MySQL function in Microsoft SQL Server 2005?


How to prove $f(n)=\sum_{k=0}^n\binom{n+k}{k}\left(\frac{1}{2}\right)^k=2^n$ without using the induction method?


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


Significance of "thin" in thin film interference

Is manufacturing roughness really the only reason we don't see optical interference in thick dielectrics like windows?


Hanging picture on a very hard concrete wall

How can I hang a framed picture onto a wallpapered concrete wall without damaging the wall surface?


Booting into Ubuntu after booting into Windows

Windows 8 removes Grub as default boot manager


Mixed content warning - Shouldn't HTTPS Everywhere ruleset work? (EDIT)

Make all i.stack.imgur.com links protocol-relative


What happens when I open and read from /proc?

What happens when I run the command cat /proc/cpuinfo?


How do you debug through a compressed JavaScript file?


Are all simple left modules over a simple left artinian ring isomorphic?


Power set of $\{\emptyset,\{\emptyset\}\}$


How can I do string replace with lambda function in Java

Java equivalent to PHP's preg_replace_callback


Can a Green Lantern's construct exist independently of the Green Lantern? And for how long?

Can Green Lanterns make copies of their Power ring?


How long is the time allowed between exit and re entry from the U.S on an esta visa?

Does the 90 days VWP rule expire if you travel from the US to Canada?


Multiline label for shape 'tape' in tikz

Manual/automatic line breaks and text alignment in TikZ nodes


Groups of order $pq$ without using Sylow theorems


Testing if variables have a non-linear relationships with the dependent variable

Testing nonlinearity in logistic regression (or other forms of regression)


Book series in the future with a plague, artificial intelligences, and a mining planet taken over by machines

Website with a collection of sci fi stories set in the same universe; powerful AIs being regarded as Gods, one named Gaia, and a "technopocalypse"


how do I fix this weird thing where my objects turn purple

Why are all the textures in my file pink?


Writing a CFSTR to the terminal in Mac OS X


Creating a MySQL Query in one step beside of two

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


Why does my Ubuntu 20.04's top bar's icon becomes small every time when I boot the PC?

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


After a boolean operation and clean up, I still have an issue with subsurface

Subdivision Surface not making things smooth as they are in the tutorial I am following


Different effect of Harry's Cruciatus curse at Ministry Skirmish vs Battle of Hogwarts?

Do you have to want to hurt someone for the cruciatus curse to work?


How to add nodes on the axis in axis environment in TikZ?


Difference in velocity of light in change in medium

What really causes light/photons to appear slower in media?


Why do Chrome and IE put "Mozilla 5.0" in the User-Agent they send to the server?

Why do all browsers' user agents start with "Mozilla/"?


Area of a spherical cap across an intersection

Calculate the area on a sphere of the intersection of two spherical caps


Convert matrix of strings to matrix of numbers

How do you convert a string containing a number in C scientific notation to a Mathematica number?


C std::string as output parameters in Java with SWIG

SWIG: How to wrap std::string& (std::string passed by reference)


For the non-specialist, what is the difference between various knife qualities?

What's optimal hardness for a kitchen knife blade?


Is there a name for the "impact instead of affect", "myself instead of me" phenomenon?

Is there a term for grammatical mistakes as a result of trying too hard?


Unable to find expected entry 'main/binary-i386/Packages - Chrome

No more updates for Google Chrome 32-bit


Why am I not receiving the "explainer" badge?


How do you avoid a dim portrait with a bright background and no external flash?


Prove $f(z)$ is identically zero if it has a power series expansion at $0$ which converges in all of C.

If $\int_{\Bbb R^2}|f(x+iy)|\,dx\,dy<\infty$ then prove that $f\equiv 0$


problems dual booting windows 10 & ubuntu MATE 16.04.3

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


Proving $\sum_{i=1}^n 2^i = 2^{n+1} - 2$ using strong induction

Proving $\sum_{i=0}^n 2^i=2^{n+1}-1$ by induction.


How to create ASCII time-series ﬁles to make TSM_GUI in TIMESAT?

Converting tif to format for TIMESAT using BEAM VISAT or ERDAS IMAGINE?


Fractional scaling in Ubuntu 17.10 gives blurry font

Experimental Fractional scaling makes fonts dirty in Ubuntu 17.10


Python how to open any file without explicit application call

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


I started a project for iPhone and iPad but i want to remove the iPad

Xcode : How To Set App To Be iPhone Only?


What does this Statistic mean? And how to find a density of a statistic?


How to write in the middle of a line in an existing file using java?

Inserting text into an existing file via Java


Event binding on dynamically created elements?


Is a card considered the same card if it is from a different set?


Should I max every base until I reach to the maximum Town hall of any type?

Is it practical to upgrade your Town Hall before you have everything upgraded to the max?


How to know about the methods present inside a python module?

How to list all functions in a Python module?


Are there methods to allow players to create permanent gates between planes/demiplanes?

How can one create a permanent walk-through-portal to another location?


How to Get An Android Emulator On Ubuntu 16.04


The 25th works for Geo and me or Geo and I


Compiling CUDA examples gives build error


Allowed error in baud rate between pic and Bluetooth module


Java Agent with Maven - ClassNotFoundException

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


Two rotating discs with same angular momentum when brought in contact completely stop. Why is the angular momentum not conserved in this case?


a confusion about answer "yes" and "no" to some complicated question

How to answer a negative question without ambiguity?


Puppet: remote clients are not updated by puppetmaster

Puppet client not connection to master - SSL connect Error


Why are these film photos brighter than digital photos taken at the same time with the same settings?


Application of Pigeonhole Principle - non-constructive

Creating a sequence that does not have an increasing or a decreasing sequence of length 3 from a set with 5 elements


Determine network speed with iOS iPhone app


What happens when a photon hits a mirror?


Can I install Microsoft Office? If so, how?


Prove that $ \ln\left( \frac{1+x}{x}\right) >\frac{1}{1+x}$?

Proving an inequality without an integral: $\frac {1}{x+1}\leq \ln (1+x)- \ln (x) \leq \frac {1}{x}$


ruby default parameters in function definition causing syntax error

How to mix required argument and optional arguments in ruby?


If $f$ is an entire function where every power series expansion has at least one 0 term, show it is a polynomial


Is cloaking your site for disqus comments good for SEO?

Using disqus for a website (question on SERP and backlink)


unable to get right value assignment in struct - cuda c


Create child objects from parent with same property values

How to put items into grouped arrays where grouped by a particular key


JavaFX - get NullPointerException error when trying to pass data between controllers

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


Using reference variable for refering static members

How come invoking a (static) method on a null reference doesn't throw NullPointerException?


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


Combinatorial Proof with Summation Identity


Is "data" treated as singular or plural in formal contexts?


"To fly big passenger airliners calls for long training and experience"

How do you use plural or singular form of an adjective?


Clicking on the featured job in the app results in 404 Not Found

Link to the recommended job is broken in the mobile apps


WindowSize error message when saving Graphics object as PNG

Failure to export graphics by right-click when Notebook magnification is changed


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

If $\sum_{n=1}^{\infty} a_n^{2}$ converges, then so does $\sum_{n=1}^{\infty} \frac {a_n}{n}$


Can someone explain to me what the phrase "Everything moves through space-time at the same speed" means?

Why are objects at rest in motion through spacetime at the speed of light?


Why $c$ is $3\times10^8$ times faster than a $1\ \mathrm{m/s}$ car?

The origin of the value of speed of light in vacuum


Why "go version" command fail with an error? No such file or directory

Bash is not finding a program even though it's on my path


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


Which style sheet options should be set to export to a color PDF?

Saving a notebook as PDF, preserving syntax highlighting


Get unique results from JSON array using jQuery


Show that there exists at most one extension of $f$ whose co-domain is a Hausdorff space

Uniqueness of a continuous extension of a function into a Hausdorff space


Java Interfaces/Implementation naming convention


Intuition behind expression for expected value in terms of CDF

Intuition behind using complementary CDF to compute expectation for nonnegative random variables


Number with a user details while search user

What do the numbers on the Users page mean?


Two sets which contain each other as elements


How can I plot the direction field for a differential equation?


Import/Export running GUI applications between localhost and SSH client running x11 forwarding?

Can I move a running application to a different X server?


Get the key with the biggest score in Python

Getting key with maximum value in dictionary?


Hiding the focus box on Swing components


How to call a method whose name is stored in a variable


Metasploitable 2: Unable to fetch some archives

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


When should I write the keyword 'inline' for a function/method?


How do I "cool" down very spicy tortilla soup?

How can you make a sauce less spicy/hot?


How to return an array / vector of unique pointers?

Can I list-initialize a vector of move-only type?


Unbound Local Error with global variable


Why is probability proportional to $ \ e^{-E/kT}$?

Why does the Boltzmann factor $e^{-E/kT}$ seem to imply that lower energies are more likely?


How to upload a file in php using ajax and jquery?

How can I upload files asynchronously with jQuery?


rigid body constraints and animation length

Physics are not simulated past a certain frame?


Interacting with comments clears the post area in iOS app

Screen goes white when posting a comment


Cannot visualize a WMS in Geoserver from a JPG file

Avoiding GeoServer/Java out of heap space error?


Why do we pluralize 'heads' on a coin flip?

Why do we use the plural "heads" and "tails" when describing sides of a coin?


A bounded linear operator from $X ^*\rightarrow Y^*$ is weak*-weak* continuous iff It is the adjoint of some Bounded linear operator $X\rightarrow Y$

A linear map $S:Y^*\to X^*$ is weak$^*$ continuous if and only if $S=T^*$ for som $T\in B(X,Y)$


Problem on derivative, which of the following are correct?[CSIR-JUNE-2019]


How to calculate the distance between two points with realtime firebase database, and also display the current distance he is travelling?

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


Can you use Twinned Spell on Fireball and target the same creature with both attacks?

Can you use twinned spell on the same target?


How to load a plugin when doing an Ajax call?


How do I wrap a macro definition in an environment?


Prove that $\cos(\pi/7)$ is root of equation $8x^3-4x^2-4x+1=0$


Install Broadcom Wireless Drivers PCI ID 4464

How can I activate wifi on BCM4364 using brcmfac driver & firmware?


MYSQL Insert strips backslash escape character from json string


How do I fully extract this bicycle from the background, including the spokes, etc. using Gimp


Changing from Cartesian to polar coordinates in partial differential equation

Analogue for Maple's dchange - change of variables in differential expressions


Why was the switch statement designed to need a break?


IPtables - how to find out which process/executable removed a chain

How do I deal with a compromised server?


How did Drogon know that Dany was in trouble?


Create library from single / multiple existing files within git repo?

Detach (move) subdirectory into separate Git repository


What is the correct way to validate password in PHP 5.4?


Is Rational number under multiplication group?


Why does my infant bang her head sideways in sleep?

Why does my baby grind her face into my shoulder?


Does existence of continous bijections imply homeomorphism?

Two non-homeomorphic spaces with continuous bijective functions in both directions


If a sample is normally distributed, does it mean a subsample is normally distributed, too?


Comments aren't displayed on Area 51 if the comment section has to be expanded


How to send data to a serial port and see any answer?

How can I listen to communication between a process and a serial port?


If every Prime-Divisor of m is a prime-Divisor of n ist, then φ(mn) = mφ(n)

Criterion for $\phi(mn)=m\phi(n)$ to be true


How to detect which TCP packets are part of a HTTP connection in C#?


How to prevent SQL injection in Question2Answer?


How to implement multiclassing during character creation?

How to implement dual-classing in a non-levelled RPG game?


how to disable gnome touchscreen keyboard entirely

On-screen keyboard popping up whenever I touch screen


Can't find my bootable USB as an option in the UEFI options

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


write a function that determines whether a computer is big endian or little endian in java


Capturing console output from a .NET application (C#)