Error when trying install Ruby with RVM on Ubuntu 17.10

E: Unable to correct problems, you have held broken packages


How can I make a gameObject "stick" to another gameObject after it has collided with it?


Plot draws list of curves in same color when not using Evaluate


Sort and search an array of objects by one key

how do i sort the following array/stdclass object in php?


Unable to mount USB device after creating "gpt" label with `parted`

How to create UEFI-only bootable USB live media?


How do I deal with a compromised server?


Assigning values to a list of variable names


How to convert the foreach nested loops to linq format?

How to convert the following foreach loop to linq code format?


How do you rotate qt embedded application?


How to "save as" a notebook programmatically, given a path string?

Is there a way to programmatically do a "save as " on an init.nb file to save it as init.m?


how to install packages with apt-get on a system connected via proxy?


Prove that this set and operation comprise a group.

{5,15,25,35} is a group under multiplication mod 40


Make grub keep its default boot under kernel updates


how to convert bytes to string in Python 3


Looking for a word - thing that wastes a lot of time

English equivalent for the Persian idiom "send someone out in pursuit of black chickpeas"


Is there an equivalent to `chkconfig --add` in Ubuntu?

Chkconfig alternative for Ubuntu Server?


problem with rendereing tableselect through ajax callback function

AJAX callback on form item generated by AJAX


Wifi signal strength is suddenly low even if antenna is selected


Are the Marvel Star Wars Legends comic books canon?

How is canonicity of derivative works determined for Star Wars?


Energy efficiency: better to heat hot tub constantly or twice a day for a longer period?

Should I heat my room when I'm not here, energy-efficiently speaking?


How to make a systemd timer that runs every 2 days?


Why does `cd downloads` fail with "No such file or directory"?

How do I cd into a directory in the home folder?


U.S Men's National Team or U.S Men National Team

Explanation on when the possessive should be used instead of an attributive noun


I am seeing unexpected and unwelcome behavior with double arithmetic in Java


Looking for German Ancestors earlier than 1700s?

How far back can German Genealogy normally be traced?


Iterate through array in Javascript on click

JavaScript closure inside loops – simple practical example


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


Why should I use a subdomain structure over a directory structure?


Background Image UITableView changes when scroll

iPhone Fixed-Position UITableView Background


converting byte array of decimal value to hexadecimal string in java

Java code To convert byte to Hexadecimal


How to separate joined objects in Blender?

How can I separate a single object file into multiple objects based on closed geometry?


A set $E$ such that $E$ is dense in $[0,1]\times [0,1]$, and the intersection of $E$ and any line parallel to the axes has at most one point

Boundary Question in $\mathbb{R}^{2}$ (Manifolds)


Two questions about $a^{2^{n-1}} \mod {2^{n}}$ and Fermat's Little Theorem


What is the difference between `apt upgrade` and `apt-get full upgrade`? Is the later one not suggested to use?

The difference between the different APT upgrade commands


How to install Sharepoint on Windows 10 Pro?


View camera vs. Perspective camera (scheimpflug optics)

How to create real tilt-shift lens blur in Blender?


What is reflection and why is it useful?


Migrate from Local to Domain login - Win7Pro

How to migrate local user to domain user?


How to get a list of packages I installed?


I cannot find the first usage of "start from scratch" as start from nothing

Where does the saying "made from scratch" originate?


Installing KDE on Ubuntu, fails to fetch files because of versions mismatches

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


1064 error in CREATE TABLE ... TYPE=MYISAM


Why do we get this formula for the action for Maxwell theory?


In Win 10 update options, what exactly does “It can be deferred for this many days” mean?


Have the physical properties of Kryptonite been discussed?

Is kryptonite made of the element krypton?


What's the difference between a web site and a web application?


Google Earth has a screen glitch, and copies the background


Regex javascript result different than expected

How can I match multiple occurrences with a regex in JavaScript similar to PHP's preg_match_all()?


My question is should an airline staff have checked the visa before issuing a ticket?

Do airlines have to check the visa status before selling a ticket?


How to align objects in a constrain angle mode?

Changing isometric drawing's constraint angles in Illustrator


Import package.* or Import package.class_name

Why is using a wild card with a Java import statement bad?


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


What advice would you give to an undergraduate research assistant?

Do's and Don't's of Undergraduate Research


Set organization wide email in scratch org?

How do you handle deployment of changes unsupported in metadata api?


Microsoft Excel - Transform text type of cell to a numeric cell

Excel: How to convert "string" to a "number"?


How to find out if an SSD is bad or about to die (health check)?


How to Show Different Menus to Logged in Users in WordPress

add the user name to menu when user is logged in


Unable to remove TeXLive 2016 from Ubuntu 14.04

How to remove everything related to TeX Live for fresh install on Ubuntu?


How to create a Wi-Fi Hotspot (in Access Point mode)?


Find minimum value of function which calls NDsolve

What are the most common pitfalls awaiting new users?


Prove an inequality for positive real numbers

Proof that $\frac{a^2}{b} + \frac{b^2}{c} + \frac{c^2}{a} \geq a+b+c$


Is "Agreed." a complete and correct sentence?

Shortest comprehensive sentence in English


Is there any other fuel to power my ship?


Agreement With Compound Subjects Joined by And


How to properly use a java substring in an if test?


What to do when you encounter vengeful users?

What are the “spam” and “rude or abusive” (offensive) flags, and how do they work?


Get top coordinate of self --> calc(100vh - y)

Make a div fill the height of the remaining screen space


Nilradical strictly smaller than Jacobson radical.

Standard example where Jacobson radical not equal nilradical


How to color only a "tilde" accent on a letter?


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


Nullreferenceexception when adding point to chart

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


Trigger updatedAt=NOW() for hunded-thousand rows will not actual

Difference between now() and current_timestamp


Python operating on big numbers causes margin errors

Is there a difference between "==" and "is"?


What are the best hosting for big websites/forums?

How to find web hosting that meets my requirements?


Probably that an $80\%$-truthful person actually rolled a $6$

A man who lies a fourth of the time throws a die and says it is a six. What is the probability it is actually a six?


Is it possible to use a 2011 iMac as an external monitor for 2019 Macbook Pro?

What are the requirements to use iMac screen as a second monitor - Target Display Mode?


How to create Unique ID with uniqueidentifier DataType?


Let $f: X \to X$ be such that $d(f(x), f(y)) = d(x, y)$ for all $x, y \in X$. To show that $f$ is onto.

Let $(X,d)$ be a compact metric space. Let $f: X \to X$ be such that $d(f(x),f(y)) = d(x,y)$ for all $x,y \in X$. Show that $f $ is onto (surjective).


Can a dual national use VWP with one passport when they have a valid US visa in the other (non-VWP-eligible) passport?

Dual nationality : ESTA and non ESTA citizen with one valid nonimmigrant USA visa


Is it possible to use 'else' in a list comprehension?


NoSuchMethodError when using assertThat+is with data type short

Why are there no byte or short literals in Java?


How to change the text Bibliography to References in scrreprt

How to change the name of document elements like "Figure", "Contents", "Bibliography", "Appendix", etc.?


Getting the warning "Insecure world writable dir /home/chance " in PATH, mode 040777 for rails and gem


Python detecting different extensions on files

Extracting extension from filename in Python


How can I determine which process owns a hotkey in Windows?


Cpp linking/header, why is it done this way?


After submitting a form with ajax, my utf-8 is not working, why is that?


Why does Stark have to be in the Iron Man suit at all?

Why didn't Tony control the Hulkbuster armor remotely?


I have problem while installation with packages

update-alternatives: error: alternative path /lib/plymouth/themes/Lmint/Lmint.plymouth doesn't exist


how is this transformer working with DC?


Get the equation of a circle when given 3 points


What is the meaning of the third derivative of a function at a point


How to fix black screen after Intel Graphics Installer on 14.10?

How to safely remove proprietary Intel driver


$z^{3}$ is the conjugate of $z\in\mathbb{C}$

Solving complex numbers equation $z^3 = \overline{z} $


Find a function that makes a differential form exact

Find a function that makes this differential form exact


Use curly brackets to structure code in PHP


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


Distribution of lengths of randomly cut string

How can I analytically prove that randomly dividing an amount results in an exponential distribution (of e.g. income and wealth)?


Why when light enters to another medium it changes its direction?

Why does change in speed of a wave make it refract?


my php code inside of jquery code doesn't get executed

What is the difference between client-side and server-side programming?


How to measure network bandwidth over time?

How do I conduct a performance test of my internet connection?


Why does placing a magnet/phone on the left speaker of a Macbook Pro Retina 15" cause the screen to sleep?

Nearby electronic devices turn off laptop's display


Loading resources into classpath from dynamically loaded jar

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


Powershell systemroot in $env:path different when AC elevated


python re.match() doesnt return expected result

What is the difference between re.search and re.match?


How do you get large prevews of files like with Apple Finder?

Is there a way to get OSX style file previews in the file browser?


Appended HTML through JavaScript doesn't trigger jQuery on('click') functionality

Event binding on dynamically created elements?


Advertisement error - HTML error visible to user

HTML from advertisement not rendered correctly


Indian Passport Holder travelling to South Korea - visa requirements

Is a visa required by an Indian citizen for visiting Seoul?


"Be the 1% that do not." vs "Be the 1% that does not." vs "Be the 1% who does not."

Does a percentage quantity take singular or plural verb agreement?


Setting an expiry date or a maximum age in the HTTP headers

How do I set expiration headers for CSS, JS, and Images?


Need a copy of value. No need referenced value

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


Did Kant and Satre have the same view on morality

Does Sartre imitate Kant in moral philosophy?


What is the easiest method to move files into current directory in terminal?

Commandline shortcut for current directory similar to ~ for home directory?


If the double type can handle the numbers 4.35 and 435, why do 4.35 * 100 evaluates to 434.99999999999994?


1970s (?) book where teacher flies in a balloon and crash-lands on mysterious island

Book based on "Around the World in 80 Days", with the main character travelling quickly around the world in a balloon


Python p run code at the top or start of a new minute

What is the best way to repeatedly execute a function every x seconds?


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


How do I prevent scientific notation when outputting decimal as a string?

How to suppress scientific notation when printing float values?


If every subgroup of $G$ is $G^k$ for some k, then $G$ is a cyclic group.

Group $G$ is cyclic $\iff$ every subgroup of $G$ has the form $G^k$, where $G^k=\{g^k\mid g\in G\}$


I would like to see for what I was rewarded reputation points

How do I read the history of my reputation?


How do I kill a witch in minecraft as a beginner, no weapons, milk, or advanced items in inventory

What to do when witches appear early in the game?


Change Date to Future Date in Map Title Using Python or Dynamic Text

Displaying previous and current year with dynamic text?


What is the command to kill/close notifications?

Is it possible to cancel or clear a notification created by using notify-send?


How do I check the version of Ubuntu I am running?

How can I find the version of Ubuntu that is installed?


regexp don't match if contain specific digit length

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


Prove that $2^{2^5} +1 \equiv 0 \mod 641$

To show that Fermat number $F_{5}$ is divisible by $641$.


Determining default value from previous arguments

Can I make a default for an optional argument the value of another argument?


Can I publish a paper in a good journal without having an academic position?

Does one need to be affiliated with a university to publish papers?


Prove that if $k \in \mathbb {N}$ and $a>1$, then $\lim\limits_{n\to\infty} \frac{n^k}{a^n}=0$

How to prove that exponential grows faster than polynomial?


Minimize the expression $|x-1|+|2x-1|+|3x-1|+\dotsb +|119x-1|$

How to find out the global minimum of the following expression


Do I need a transit visa for layover in Italy?

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


Driver Exam multiple choice Array while loop prompt student Answers method


Is there a way to distinguish app being started by Launch Services at login or by user?

How to tell whether a Mac Cocoa application has been launched normally or as a login item?


RSA Encryption - What property of RSA keys is causing the output after 5x RSA to be the same as the input?

Why when I perform RSA 5 times do I get my original input back out?


How do I scrape website with term acceptance page?

How to code an automated bot that can browse and do operations on a webpage


Every compact metric space is complete, proof verification


How can I find data pattern matches in all fields/tables in an oracle database?

Search All Fields In All Tables For A Specific Value (Oracle)


Is there a command to typeset the Unicode symbol 'DIVISION TIMES' (U+22C7)?

What would be the symbol for 'multiplication on division'?


Avoiding django QuerySet caching in a @staticmethod

How do I force Django to ignore any caches and reload data?


Present or Present Perfect in this sentence with an imaginary statement

Using the present tense for future event?


How do I set emblems in Thunar without the GUI?


How does GPS in a mobile phone work exactly?


From $(1+z)^p(1+z)^q=(1+z)^{p+q}$ show that $\sum\limits_{n=0}^r\binom{p}{n}\binom{q}{r-n}=\binom{p+q}{r}$ without using the Cauchy product


Can't reinstall mysql : mysql-server depends on mysql-server-5.7 however: Package mysql-server-5.7 is not configured yet


VirtualBox and VLC complain about missing Qt software, but I have installed Qt packages already

How do I find the package that provides a file?


Why is the light reflected at the same angle from mirror?


PreparedStatement IN clause alternatives?


Stop arbitrarily "following packages were automatically installed and are no longer required"

"Pin down" an automatically installed package so apt-get autoremove keeps it


How can I get rid of mysterious extra space after  in simple drop-down menu code?

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


Time Machine says disk is full, but it was fine before!


How can I get my usual interface when opening projects created by other people?


How to get public IP address in javascript

How to get client's IP address using JavaScript?


Mailmerge alternatives for exam variations?


Accept pairing request programmatically - Android Bluetooth

Specifying a link key in android without pairing


What's the difference between the + and * with HttpListener

Difference between http://+:8080/ and http://*:8080/


How do I hide javascript code in a webpage?


I need someone who is willing to actually answer this volume of revolution question!

Volume of Revolution. Am I doing it right?


I want to boot ubuntu but i dont know how to add the ext4 partition to my boot menu


Would it be helpful to be able to link to specific answers?


Select list field type as sorting order criteria

How do you define an arbitrary sort sequence for views?


What's the natural way to ask about the current degrees of the weather?


How to have http module on fire events only for specific page types

Exclude certain pages from using a HTTPModule


Reprojecting coordinate system with Python and lat/lon is only slightly off

Getting inaccurate results converting from New York State projection to NAD83 with Python's pyproj


do I require Transit visa for Amsterdam since I am travelling from Delhi- Amsterdam- Havana and my layover time at Amsterdam is 1.45 hrs

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


How to bulk cleanup imports in Java with Eclipse?

Can you organize imports for an entire project in eclipse with a keystroke?


Android Color specific words in an ArrayList

Change text color of one word in a TextView


The association bonus should be adequate for downvoting

Why do I not get enough reputation to start with to be able to downvote?


How can i use varaible from outer scope of the callback function


When should I delete my unanswered questions?


Why the maximum sparsity is 99.5% in collaborative filtering?

Amount and sparsity of data for recommender systems


How did the Dursley family get home from the shack?

How on Earth did the Dursleys get off "The Rock?"


Prove there exist $2 \times 2$ matrix $B$ such that $B^3=A^2$, for every $A$.

Prove that for every complex $2$x$2$ matrix $A$, there exists a matrix $X$ such that $X^3=A^2$.


Which command to make multiplication like this?

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


Why is it called "Suggested edits queue is full." once I'm suspended somehow?

Temporary loss of permission to edit - what are the triggers for this permission to be suspended?


List of lists changes reflected across sublists unexpectedly


How is answering a question possible after even question closed?

How was this answer posted after this question was closed?


What is the source of this clause, often used to mark the completion of something?

Where does this famous rhythm pattern come from (oftenly used to knock on a door)?


Unwanted Lines when rendering using GPU and OpenCL (RX 580)


Number of Occurrences of a Substring in a String (Java)


What choice of parameters makes this function uniformly continuous?

When is $x^{\alpha}\sin(x^{\beta})$ uniformly continuous for $\alpha, \beta > 0$?


Proving that $n \over 2^n$ converges to $0$

How to prove that exponential grows faster than polynomial?


Unicode encoding doesn't work, after enabling UTF-8


Cannot resolve NullPointerException even after checking layout references

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


Nine Positive Distinct Integers Placed Around a Circle

Classic Circle and Adjacent Arrangement Problem


How to keep a Python script output window open?


Is there a constraint that restricts my generic method to numeric types?


Difference between "relationship" and "relation"


reading csv file without knowing encoding in python

Python, Unicode, and the Windows console


Change permanently terminal encoding in windows 10

Change default code page of Windows console to UTF-8


PHP : Return JSON content instead of String from database


Programming blank atmega328 microcontroller

What is the minimal set of parts for a circut with this AVR microcontroller?


Prove that $\langle f(x) \rangle $ is prime ideal in $\Bbb Z[x]$ if $f(x)$ is irreducible over $\Bbb Z$

In a UFD if $x$ is irreducible, then $(x)$ is prime


Energy of particle in General Relativity

How does $p\cdot u$ relate to observed energy and momentum for a massive particle?


Difference between differential and derivative

Difference between differentiation and derivatives


"Planning for next year" vs. "planning for the next year"


How do I resolve unmet dependencies after adding a PPA?


Call/Invoke a method based on a string value contained in an array


I want to get from Germany to the US, what country can I quarantine in?

Is there a route that would allow travel to the US from the UK or Schengen area, given the US travel ban?


Why is the beginning of a quote in old text sometimes denoted by a capital letter but no quotation marks?

What were the rules for capitalising nouns in the 17th and 18th centuries?


How to prove this :$\left(\cfrac{1}{2}\right)! = \cfrac {\sqrt {\pi}}{2}$?


Example of convex nonlinear equality constraint

In convex optimization, must equality constraints be linear or affine?


What is the next number in the sequence?


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


Are 'The Lost Missions' part of the official Star Wars canon?

How is canonicity of derivative works determined for Star Wars?


Final Fantasy XIII Post-Completion Length

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


How to tie two HTML radio options to a input type file?

What are some ways to add meta informational inputs to file upload?


30x Optical Zoom vs. 30x Magnification on Binoculars?

Can I convert binocular zoom to equivalent lens focal length?


Dual boot, can't connect to internet on Ubuntu 16.04


I'm confused around MAX_SAFE_INTEGER in java


What do I need in a lens for studio portrait photography?

What is a good Canon lens to take portraits?


Entire doubly-periodic function is constant

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


In the novel, did Mirri Maz Duur intentionally harm Khal Drogo and his unborn son?

Did Mirri Maz Duur deliberately mistreat Drogo's wound?


Prove that for odd $n > 1$ , $3^{n} + 1$ is not divisible by $n$

Prove: if $n\mid 7^n+6^n$ and $n>1$, then $13\mid n$


How can I wrap text around a 2 sided object in Photoshop or Illustrator?

How do I create a depth illusion effect with a spots pattern in Illustrator?


Solve the recurrence relation $a_n = 5a_{n-1} - 6a_{n-2} + 3$ with initial conditions $a_1 = \frac{3}{2}$ and $a_2 = 3$


Difference between 'regarding' and 'according to'


Talk to a customer/ talk with a customer

Is there any difference between "talk to someone" and "talk with someone"?


Catenary problem adaption with additional point mass

Shape of a string/chain/cable/rope/wire?


Why is my program not recognizing the comparison between two strings in an if statement?


Are the rationals a closed or open set in $\mathbb{R}$?


Warning: Gruesome. Which one cuts faster? Guillotine with a slanted blade or with a flat blade?

Why does Guillotine have of 45 degreed blade rather than the one parallel to the ground?


There is some program to draw simple objects and get the code in tikz?

What GUI applications are there to assist in generating graphics for TeX?


How to create an array of a generic object in java


How does this function work without setting the parameter?


Extract `m`th (first) column value for line with specific `n`th (second) column value from file


C++ deduced return type cannot be used before it is defined

Why can templates only be implemented in the header file?


Define colours of markers of scatterplot by rgb-values

How to plot scatter points using pgfplots with color defined from table rgb values?


1 to many relationship not working by joins /Group by

Can I concatenate multiple MySQL rows into one field?


Visual Studio 2012 C++ platform toolsets missing

Visual Studio 2012 failing to detect Visual Studio 2008 build tools


Suppose that every subsequence of $X=\{x_n\}$ has a subsequence that converges to $0$. Show that $\lim X= 0$

Suppose every subsequence of X converges to 0. Show that lim(X)=0


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


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


Can't delete preferred networks from wireless settings (comes back up)


Node.Js + Socket.IO vs SignalR vs C# WebSocket Server


When I try to delete my iCloud account on my iPhone it tells me to sign out using my old email and password. I don't remember the old password


Is there an easy way to use Matteo Niccoli's perceptual color maps for 2D plots in Mathematica?


can I use the same Minecraft account in my ps4 to my laptop ?? :)

With Minecraft Windows 10 Edition, do I get a Mojang Account? Power of desktop Minecraft?


$a_1=1$, $a_{n+1}=\frac{1}{2}\left(a_n+\frac{2}{a_n}\right)$. Show that the sequence is decreasing

$a_1=3$ and $a_{n+1}=\frac{a_n}{2} + \frac{1}{a_n}$. Show that it monotonically decreases and find the limit.


Is the observable universe growing or shrinking?

Maximum size of the observable universe?


Can the difference of random variables be uniform distributed?

Uniform PDF of the difference of two r.v


"no one was killed or wounded" vs. "no one had been killed or wounded"


Prove $b_n := \frac1n * \sum_\limits{k=1}^n a_k$ converges

Proving if $\lim_{n\rightarrow\infty}a_n=L $ then $\lim_{n\rightarrow\infty} \frac{a_1+a_2+\cdots+a_n}n=L $


Missing file in / taking up all of the root space

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


Password hashing, salt and storage of hashed values


Broken table layout in IE8 with embedded tables within another table

Internet Explorer 8 table cell width bug with colspan set


Could we add a Candidate Score viewer to our profiles?

I would like to see my mod candidate score, preferrably on my user page


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

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


What happens if the electronic chip on your passport is broken at a port of entry to the US under the Visa Waiver Program?

Biometric passport: How can I know if the chip is still working? Does it matter?


Python: Creating an N-dimensional list from separate lists of varying sizes and dtypes

Get the cartesian product of a series of lists?


Allow higher scoring unaccepted answers to sort above the accepted answer

When, if ever, should voting override answer acceptance for answer sorting?


Default argument values calculated when function defined?

"Least Astonishment" and the Mutable Default Argument


String in String in String (SQL and PHP)


Do I Always need to add Sugar when bottling?


Wrong direction of vertices in tikz-feynman remains under macOS, using PGF 3.1 and luatex 1.07

TikZ graphdrawing differences between LuaTeX versions


Virtualbox: How can I get a usable screen resolution inside the Guest OS

How do I install Guest Additions in a VirtualBox VM?


What is the difference between a p2p network and a mesh network?

What is the difference between Ad-Hoc and Mesh Network? (also with p2p)


How does one break inside a default c# getter or setter?


Hausdorff Dimension for Koch-like Fractal

Does this fractal have a Hausdorff dimension of 1?


How do I permanently add to $PATH for all users?

Add a path in $PATH globally for every user


Why does css nth-child selector not work as expected?


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


Convergence of the solution and their derivative of the equation $y''+y'+y^{3}=0$.

Limits for the solution of the non-linear ODE


Is there any way to use a WHERE clause with the combination of two VARCHAR fields


Should I add a redundant "Cancel" option?

Should yes/no dialogs also have a cancel?


CMake Linker: Undefined reference even though library is linked

Why can templates only be implemented in the header file?


Why does the question title link to itself on the answer page?


Normal subgroups that have only the identity in common commute with each other.

If $H,K⊲G$ and $H∩K = \{1_G\}$, then all elements in $H$ commute with all elements in $K$


What is polymorphism, what is it for, and how is it used?


my wireless network is not working. i have my wireless info results. what should i do next?


How to group the field in 1 line in MS SQL

How to use GROUP BY to concatenate strings in SQL Server?


Building a replacement rule from a pattern, Assocation and RuleDelayed


Prove that if $\{u_1, u_2, u_3\}$ is an orthogonal set of nonzero vectors in $\mathbb{R}^n$ and we have $c_1u_1+ c_2u_2+c_3u_3 = 0$, then $c_i=0$.

Why is a set of orthonormal vectors linearly independent?


Add text from file into root owned hosts file

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


sudo startx and not able to log in anymore


How to Compare powers without calculating?


Add GPT to disk that has bare EXT4 file system without data loss

Converting between GPT and MBR hard drive without losing data


Meaning of * character in a struct.pack line?

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


Getting a type error in my Python program that is supposed to calculate payroll info

Python program does not execute beyond first user input


Server waits until certain number of clients to be present

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


How to edit an array from another class in Java

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


How to import a Bitbucket project into Github on Windows

Converting a Mercurial (hg) repository to Git on Windows (7)


How to Enable /etc/rc.local with Systemd 18.04 LTS

How can I execute command on startup (rc.local alternative) on Ubuntu 16.10


How to find whether my hard disk is HDD or SSD

How do I determine whether a drive is an HDD or SSD in Windows 8?


Create Group of Cylinders from a TXT file

How to read a csv file and use the values as x and y points in blender?


How to define custom TraceListener in app.config


What's the hierarchical relationship between a Module and a Class?


django sudo runserver kicking up an error


Is there any way to use a nether portal to travel to y = 250?


Why do I get "unresolved external symbol" errors when using templates?

Why can templates only be implemented in the header file?


Why can't I use LaTeX3 commands inside a macro I define?

Why doesn't \makeatletter work inside \newcommand?


What hardware does Ubuntu Touch support?


qt5-default package missing in Hirsute repo


Can I make header of a table fixed without jquery, only by CSS?


How to fetch a jar from the central repository to the local repository without building a maven project or writting a pom file?

A simple command line to download a remote maven2 artifact to the local repository?


Graphic issues with installing Ubuntu on PC with Radeon 7770

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


Unable to install rabbitmq due to not meeting dependencies: libssl

How do I restore the default repositories?


How can I use a model object without inserting it?

Can I make instances of an NSManagedObject in no particular NSManagedObjectContext?


New mobile chat interface broken on UC Browser HD for Android

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


Conky does not work properly on Ubuntu 16.04 GNOME


Can't update from 17.10 to 18.04 because a repository doesn't have a Release file

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


Sass is concatenating instead of adding?


failed to fetch security undermined error [IP: 91.189.91.38 80] in ubuntu 20.04


How do photoreceptors overcome the ambiguity of wavelength vs intensity to determine brightness?

How do our eyes detect light at different frequencies?


Modify Line in text file by reading line by line


pst-optexp Drawbeam Error - GPL Ghostscript 9.50: Unrecoverable error, exit code 1

optexp environment error when compiling with XeLaTeX


Problems opening links on internet iphone 5S

Safari on iOS 9.2.1 / 9.3 won't open links


How do you buy the right train ticket in the UK?

Where can I find the restrictions and easements that apply to a given UK Rail Ticket?


Midpoint-Convex and Continuous Implies Convex


Can't connect with repositories when trying to update

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


How to refer to "all" the equations when using subequations?

referring to Eqn. 1a) and 1b) in a sentence as eqn. (1)


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


On a grid, what is the area of effect of Spirit Guardians?

How to measure on a grid the area of a sphere area spell or effect centered on a creature?


I stayed on the Schengen area for 180 days with a visitor's residence permit. Can I leave and re-enter as a tourist within a day?

How does Schengen 90/180 apply to long-stay visas?


what causes black artifacts on the surface of a model?

How do I avoid rendering glitches from overlapping faces?


Can the empty set be the image of a function on $\mathbb{N}$?

Why is there no function with a nonempty domain and an empty range?


How to format cell as currency using Apache POI

Basic Excel currency format with Apache POI


QGIS working with Qchainage using degrees instead of meters


Hasura - Postgres database table auto increment PK problem

How to reset postgres' primary key sequence when it falls out of sync?


If $a,b,c \in \mathbb{Z}$ and $a^2+b^2=c^2$ show that $abc \equiv 0 \pmod{60}$.

Prove that if $x,y,z$ are integers such that $x^2+y^2=z^2$, then $xyz \equiv o \pmod{60}$.


What does it mean when the connectivity icons in the status bar go white/gray?


Will Installing KDE Desktop block me from getting UBUNTU security updates and newer versions of UBUNTU?

support time of other Ubuntu LTS flavours?


Solve $2^x+3^y=z^2$ in nonnegative integers.


Does washing an apple with cool water remove most of the wax and residue?

Cleaning wax and pesticide from apple skin


How to restore System/Library Files without Time Machine

How can I get back a system file after deleting it from my Mac?


Does quantum spin suggest particles have extent?

An electron has no known internal structure, does that imply it has an unknown one?


If $3 \sin \theta + 4 \cos \theta = 5$, find the value of $\sin \theta$.

How would we solve this trigonometric equation using vectors?


If $P$ is false, and $Q$ is true, then why does $P \implies Q$?

In classical logic, why is $(p\Rightarrow q)$ True if $p$ is False and $q$ is True?


How can I boot to linux command line from GRUB?

How do I boot into single-user mode from GRUB?


Java not initialising a class, returning null exception error

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


How to convert this table to a "long table"


If $m$ and $n$ are relatively prime positive integers, prove that $m^{\phi(n)}+n^{\phi(m)}\equiv1\pmod{mn}$


Probability enemy territory captured in X turns


How do you get descriptions of the available `shopt` options?


Is there a way to edit the new object menu in blender 2.83.5?

What is causing disabled options when adding a mesh/curve object to the scene?


Does there exist a positive irrational number $\alpha$, the number $\lfloor n\alpha \rfloor$ is never a prime?

Does there exist a positive irrational number $\alpha $, such that for any positive integer $n$ the number $\lfloor n\alpha \rfloor$ is not a prime?


My MacBook's Touch Bar went black, any solutions? Fingerprint works fine

MacBook Pro 13" Touch bar permanently blank


El Captain update download doesn't continue after restarting the Mac


Not every boolean function is constructed from $\wedge$ (and) and $\vee$ (or)


Is the onbeforeunload event not supported on iPhone?

Is there any way to use window.onbeforeunload on Mobile Safari for iOS devices?


Global php variables not defined inside functions

How to declare a global variable in php?


Why is my reputation down to 16 on Stack Overflow?

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


Can't make printf happy. Rejecting format strings of "i" and "l"

What is the argument for printf that formats a long?


Why does mass not matter on how quickly an object falls?

Don't heavier objects actually fall faster because they exert their own gravity?


Have any Jedi survived episodes I through VII

Was any character alive during all of the Star Wars episodes from I to VII?


How to correctly write a constructor code?

Initializing fields in constructor - initializer list vs constructor body


UFW: Weird incomming request from router and other home pc

What could be the cause for these strange UFW block entries in my syslog?


Why are search queries inconsistently converted into tags?


Griffiths on Averaging and the Macroscopic Electric Field


Is it common practice to shorten names with an "N"

Term for nicknames with different first letter


Electrics fields in Electromagnetic waves


Arraylist is null; I cannot access books in the arraylist


How to place two pictures next to each other?


Share audio to Facebook, making it playable inline

how to share a video from my website on facebook like youtube


Rotate Background Image of Div 90 Degrees using JQuery

How to rotate the background image in the container?


Extract given column from comma-separated values with inner commas and quotation marks

Is there a robust command line tool for processing csv files?


What hardware does Ubuntu Touch support?


Where to get iOS system symbols for other iOS versions

crash log does not symbolicate system libraries armv7s


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


Is there a dash like feature in lubuntu, so I can easily search everything?

Is there a shell-independent search tool like the Unity's Dash?


Want to remove all printers but cant - printers keep returning

How do I permanently delete networked printers?


How can I permanently enable line numbers in IntelliJ?

How to add local jar files to a Maven project?


Derived class template doesn't see the base class's member

Initialize parent's protected members with initialization list (C++)


Find expectation of $\frac{X_1 + \cdots + X_m}{X_1 + \cdots + X_n}$ when $X_1,\ldots,X_n$ are i.i.d


Installing .zip packages with the MiKTeX package manager from a local repository

How can I manually install a package on MiKTeX (Windows)


Name/Author of story of heart surgeon who corrects alligator hearts and makes dragons


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


what do i use as zipcode in usa when ireland doesnt have zipcodes?

Is there a ZIP code I can enter when paying-at-the-pump in the USA with a foreign credit card?


Calculating a 2D collision between two perfectly circular disks

How to get the new direction of 2 disks colliding?


How to split a string in Python by 2 or 3, etc


If $p$ is a prime greater than 2 and divides $x^p$ + $y^p$ prove that $p^2$ divides $x^p$ + $y^p$ (Not sure if its possible)

If $p \mid m^p+n^p$ prove $p^2 \mid m^p+n^p$


Python imports across modules and global variables


Is there any difference between __DIR__ and dirname(__FILE__) in PHP?


Converting a basic disk to a dynamic one


How to get a comma seperated value for the following DB table scenario

Can I Comma Delimit Multiple Rows Into One Column?


Apex callout failed with SunCertPathBuilderException

Apex Callout failed due to SunCertPathBuilderException


How to use a variable for a key in a JavaScript object literal?


"javax.servlet.ServletException: Cannot find component" for  component?

How to find out client ID of component for ajax update/render? Cannot find component with expression "foo" referenced from "bar"


Find and replace in a webpage using javascript

Replace many text terms, using Tampermonkey, without affecting URLs and not looking for classes or ids


A monoid with left identity and right inverses need not be a group

Why is a monoid with right identity and left inverse not necessarily a group?


Is the decision to buy a house in the UK a no-brainer?


PreUpdate not firing when adding to a collection

JPA EventListener method not called on change to many-to-many collection?


Why don't the forces of Thranduil and Dain aid Gondor in the Battle of the Pelennor Fields?

What are the main reasons the elves did not show up in force to defeat Sauron?


Calculate total sum of all numbers in c:forEach loop


Let (X, d) be a metric space and let A be a subset of X and O be an open subset of X. Prove that $O \cap \overline{A} \subseteq \overline{O\cap A}$

The intersection of a closure with an open set


Programmatically adding shapefile to data frame in ArcMap?

Adding shapefile or feature class as layer in ArcGIS Desktop using Python/ArcPy?


How does comment voting and flagging work?


Disable bash's cache of executables in the path

How do I clear Bash's cache of paths to executables?


What is the standard limit on senses (vision, hearing)?


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


The extension of this derivative notation $f^{(0)} = f, f^{(1)} = f', ...$

Could this be proper notation for an antiderivative? Does this notation even exist?


Are Monotone functions Borel Measurable?


Why do you lose reputation for downvoting answers?


Definition of norm when dealing with inner product space


Diffrence between [] and {} for Associative array in Javascript

Objects vs arrays in Javascript for key/value pairs


Provisioning profile not showing up in organizer

Provisioning Profiles menu item missing from Xcode 5


Proof that $ f: X \times \mathbb{R} \to X: (x,\lambda) \mapsto \lambda x$ is continuous

Proof that every normed vector space is a topological vector space


Are there wavefunctions that don't get more localized as we go backwards in time?

Is it possible for $\Delta x$ ($\sigma_x$) of any free particle wave packet to be decreasing at any time?


Elegant way to remove items from sequence in Python?

How to remove items from a list while iterating?


What happens to an Animagus's old clothes?

What determines whether or not an animagus can retain their clothes?


A section may be written as a finite sum of other sections.

Is the space of smooth sections of a vector bundle finitely generated as a $C^\infty$-module?


Want to clean string before using it in database


Omitting the last "to" in "All {I need to / have to / must} do is (to?) do something"

“All you have to do is read” vs. “All you have to do is to read”


SSH service stopped in Google Cloud mistakenly

Rescue inaccessible VM without SSH in Google Cloud Platform


How can I disable the hot corner /Activities corner using the Terminal?

How do I disable 'Activities' hot corner in GNOME shell?


Why does a gigabit/sec Internet connection via cable (coax) not offer symmetrical speeds like fiber?

Why is a home fiber connection asymmetric?


Java split() method strips empty strings at the end?


Set default location mode to device only

Location Consent & undo Remeber This Setting


How rectify an image from a single calibrated camera using Matlab toolbox

How to do perspective correction in Matlab from known Intrinsic and Extrinsic parameters?


JasperException: absolute uri: http://java.sun.com/jsp/jstl/core cannot be resolved

How to install JSTL? The absolute uri: http://java.sun.com/jstl/core cannot be resolved


Java Binary Expression Tree - Checking parenthesis in an expression

Handling parenthesis while converting infix expressions to postfix expressions


GNOME has grey bar on top and bottom after upgrade from 17.04 to 17.10, how do I fix it to how it's supposed to look?


How to update my ubuntu desktop from 12.10 to 15.04?

Can I skip over releases when upgrading?


Express anonymous with formal parameters


INSERT multiple values in one query (order)

Is INSERT RETURNING guaranteed to return things in the "right" order?


Is there a page that allows mere mortals to know who actually works for Stack Exchange?

Who are the users that work for Stack Overflow?


Does freezing fresh peppers, specifically habañero peppers ruin them?


Can I cast instants in response to my opponent declaring blockers?

Kill a blocker with an instant - is it still blocking?


Why am i in run level 2 but i can still see my GUI?

what does each runlevel number stand for


correctly dotting the "i"s and crossing the "t"s in the expression "dotting the i's and crossing the t's"

What is the proper way to write the plural of a single letter? (another apostrophe question)


exception caught is :java.lang.NullPointerException

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


Flag counter on top bar showing there are flags, but there aren't any

Flag indicator present on Meta, but no flags visible


A separable Banach space is isometrically isomorphic to a subspace of $\ell_{\infty}$

Isometric Embedding of a separable Banach Space into $\ell^{\infty}$


How to change boot order from within Windows OS?

Remotely changing hard drive boot order, windows 7


How to show $ \sin x \geq \frac{2x}{\pi}, x \in [0, \frac{\pi}{2}]$?

Mean Value Theorem: $\frac{2}{\pi}<\frac{\sin x}{x}<1$


How can I cancel an edit I made on another user's question or answer?


Importing a simple SVG logo from Inkscape into Blender and converting to mesh turns messy: zigzag lines going across the surface


What software development methodology was used to develop Stack Overflow?

Which tools and technologies are used to build the Stack Exchange Network?


Scriptable Eclipse run/debug configuration

How to run Eclipse launch configurations programmatically?


Sum of sum of odd terms of Vandermonde's Identity

Combinatorics That Looks Similar to Vandermonde's Identity


Are SSL certificates for constant.*.example.com allowed?


Morphisms $X\to\text{Spec }A$ are in natural bijection with ring morphisms $A\to\Gamma(X,\mathscr O_X)$.

Prove that the natural map $\alpha : \text{Hom}(X,\text{Spec} A) \rightarrow \text{Hom}(A,\Gamma(X,\mathcal{O}_X))$ is an isomorphism


Good book for learning about mathematical foundation of quantum physics


How to make sure template class definitions make it into shared library?

Why can templates only be implemented in the header file?


In the Terminal is there a way to search for a command you previously entered?

How can I search the bash history and rerun a command?


Variation on how to combine values from multiple rows into a single row in Excel?

Excel 2007 transpose/combine multiple rows into one


How gently could a comet/asteroid/meteorite “hit” Earth?


“All you have to do is read” vs. “All you have to do is to read”


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


dpkg error: firefox-locale-en list missing

Files list file for package missing -- dpkg warning


Sorting table by multiple columns in QGIS

Sorting by multiple fields at same time in QGIS?


JasperReports NullPointer only when running from complied jar

Weird case sensitivity bug in Class.getResource?


Do you lose any more equational identities when you go past sedenions?


How to horizontally center an unordered list of unknown width?


Is it really problematic for Universal Instantiation to precede Existential Instantiation?


Let $X_1,X_2,\cdots$ be i.i.d $p^{\text{th}}$ integrable random variables. Show that $\cfrac{1}{n^{1/p}} \sup_{k\le n} |X_k| \to 0$ almost surely.

Asymptotics of $\max\limits_{1\leqslant k\leqslant n}X_k/n$


How to redirect node on paypal for payment before save in drupal 7?


If $0 < r < 1$ show that $r^n$ goes to $0$ as $n \to ∞$.

If $0<r<1$ show that $r^n$ goes to $0$ as $n$ goes to 1.


If the actual size of a 1TB Hard Drive is 931GiB, would it not be possible for manufacturers to create a 1TiB Hard Drive and market it as 1TB?

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


String initialization with and without explicit trailing terminator


Uniquely identifying a computer using MAC address / or other hardware identifier

How to get a unique computer identifier in Java (like disk ID or motherboard ID)?


Can the ivar variable created automatically by properties accessible by the child class?

Are synthesized instance variables generated as private instead of protected?


Terminal command to clean tmp folder and set permission flags

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


Calling jQuery from within AJAX-response

Event binding on dynamically created elements?


Have lost all Google information to allow me to sign into my Google accounts

How do I recover my Google account (or Gmail) password or username?


Can I configure an aggregate "home page" with questions from different sub stacks which meet my tags there?

Interesting Questions for all MY Stack Exchange sites in one place


How to sum this series to infinity: $\sum_{n=0}^{\infty} \frac1{2^{2^n}}$


Useful formats for the results of a database "audit"?


Single word for parent who has lost their children (not orphan)

Is there a single word to describe the loss of a child?


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


Short example of regular expression converted to a state machine?


Prove that $\prod\limits_{2 < p \leq y}\left(1-\frac{2}{p}\right)\sim\frac{D}{\log ^2 y}$

Computing the product of p/(p - 2) over the odd primes


Can I use double negative in the following structure: "not that..."?


Compact subspace in the union of closed embeddings


If a question is modified is it proper to respond to the essentially new question with a new answer

Exit strategies for "chameleon questions"


An application attempted to save a file with a ':' in it, now the file is not deletable

How to delete a file ending in a dot in Windows 7?


is there a hash function in php that hashes the string argument to numbers?


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


Deleted Ubuntu Partition And Now Get Grub Rescue: How To Boot Into Win 10

Uninstall GRUB and use Windows bootloader


Image Exports with Black Background rather than Transparent

Can Blender render pngs with the background transparent?


How do I return the response from an asynchronous call?


Do multiple instances of the Extra Attack feature stack?


Give an example for $f(A)\setminus f(F) \neq f(A\setminus F)$.

Proving $f(C) \setminus f(D) \subseteq f(C \setminus D)$ and disproving equality


What is the optimal path between $2$ fixed points around an invisible obstructing wall?


Using node after pic results in error in TikZ


Calculate $\lim \sin(2\pi n!e)$. [SOLVED]

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


In VIM how do I change the backbround color of just the QuickFix window?

How do I change the background color of current buffer or pane in vim?


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


unable to access mounted iso through terminal

How to change the current path to a directory that has an space on it's name?


Returning a C string from a C++ function

Return dynamically allocated memory from C++ to C


How many years does canned jelly stay safe to eat?

How long can I store a food in the pantry, refrigerator, or freezer?


What to wear for a PhD/ MSc thesis defense?


Simplest way to fully clear terminal for doing ascii animations


Is there any problem by accessing memory space without allocation in c language

What's the point of using malloc when you can use pointer?


Why can't I install this downloaded APK?

Why can't I press the Install button when installing applications from unknown sources?


Set edittext value onCreate inside fragment

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


How to graph the data points of n dimensions?


When did Darth Vader/Anakin really lose his right hand?


What are the use cases for different scoping constructs?


How can I create a bootable USB disk from a CD image?


Is there a good way to have a Map get and put ignoring case?


How to Replace the MSB bit with some Number in Assembly language?

How do you set, clear, and toggle a single bit?


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


Words that mean the exact opposite to themselves

How does a word come to have two completely opposite meanings?


Is there a word that means simple but not easy?


Proving divisibility by using induction: $133 \mid (11^{n+2} + 12^{2n+1})$


Completely validate URL with or without http or https

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


How to pass subarray as refference in Java?

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


Is there a way to mount a writable disc in a virtual device/drive?


Any Collection which can reorder after changing an element in Java


How to customize Latexian to use other TeX engines or biber?


Is there a limit for the attachment size in Messages?


R How to separate simple function like“-10.81+2.02” in to numbers eg.“-10.81”and “2.02”?

R: How to split list into several numbers and do the calculation?


How can the tangent vector to a beam of light be expressed in these 2 ways?


how to solve the" error: attempt to read or write outside of disk 'hd0'

What to do when I get an "attempt to read or write outside of disk 'hd0'" error and Boot Repair does not solve the problem?


Ubuntu 18.04 installed from USB boots straight to Windows 10

Can't boot into Ubuntu in Windows 10 / Ubuntu dual boot


Don't get latter in Gmail, but getting in outlook

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


How can I make the larger integration sign without using this $$...$$

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


Have I misunderstood the amount of "automatic optimization" that PostgreSQL does without me having to be "clever" when designing my tables?

Why am I getting a deadlock for a single UPDATE query?


How to prevent android webview load images?


Why using const for arguments passed by value?


Change hyperref "linkcolor" for a single instance only?

What's a better way to define individual link colours for a url in a macro?


"to think my country is at the first place."


Why is 3 behaving differently from int(3)?

Getting the attributes of integers and floats


When deleting files from the Desktop folder on Win10, why do I need to refresh the Desktop?

Windows 7 desktop does not automatically refresh


Exam Class : Starting question with question number in circle

Using circled numbers for answer choices in exam document class


How does the "this" keyword in Javascript act within an object literal?


Attempt to invoke virtual method 'java.lang.Object android.os.Bundle.get(java.lang.String)' on a null object reference

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


Difference between irreversibility and entropy?


Not understandable nullpointer exception


Cylinder has small wierd bumps when using Subdivision Surface

Keep sharp edges when using subdivision surface


Limit of $\lim\limits_{x \to \infty}\frac{1}{\cosh(x)}+\log\left(\frac{\cosh(x)}{1+\cosh(x)}\right)$ without l'hopital


How to change add read write permissions

Unable to mount Windows 10 partition; it "is in an unsafe state"


How to compare 2 strings in UNIX shell script?

Brackets in if condition: why am I getting syntax errors without whitespace?


What are the performance implications of using uuid as primary key in Postgres 10.12? (need canonical answer)

What are the drawbacks with using UUID or GUID as a primary key?


How to supports many title in one article?


How to add every word of a sentence into a stack as a separate element in java?


What time will Ubuntu 16.04 LTS be available for upgrade in Ireland from Ubuntu 14.04 LTS?

At what time will the upcoming Ubuntu release be made available?


"Welcome to the Jones__": Plural or Plural Possessive?


Snapping issues in Adobe Illustrator cs6

How do I stop Illustrator from snapping to pixel increments?


Silencing “Your disk is almost full” notification

Silencing "Your disk is almost full" notification


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


Cannot use Ubuntu 17.10 ISO image for installation

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


Reprojected MODIS NDVI has range from -32768 to 32767, expected -1 to 1


What is the scope of variables in JavaScript?


What do you call a person who keeps talking about art; studies art, criticizes art, and thinks he'd be amazing with it. But he doesn't practice it


Putting an SSD with Win 7 in a new Win 8 laptop

Move Windows 7 to New Computer without original CDs


Can we allow moderators to upgrade a comment to an answer?


Where do I ask a question about copyright?

Where should I ask a question regarding copyrights?


White screen of death: Fatal error: Allowed memory size of X bytes exhausted


Prove that if $f(z)$ is a complex holomorphic function and $f'(z)=0$ so $f(z)$ is constant


Null Object Reference with setters and getters SAXParser Android

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


Will they allow me to collect my luggage at the connection airport and not taking the connecting flight?

May I get off in an intermediate city of my route during transfer?


Can you explain the "Axiom of choice" in simple terms?


Why is "virtualenv venv" not working on Ubuntu 18.04?


Problem on holomorphic function (Schwarz's Lemma)

An exercise from Conway's Complex Analysis on an application of Schwarz's Lemma


What’s the rule for using “who” and “whom” correctly?


How can I pass arguments to a batch file?


Curious on the species of a large Orange Spider?


How to safely replace a not-yet-failed disk in a Linux RAID5 array?


User input in Python without use of enter key?

How to read a single character from the user?


How can I avoid Java code in JSP files, using JSP 2?


Cant install anything in termux using ubuntus root access terminal too install pkg from github that require root


Parsing html to pdf with iText, image base64

Can itextsharp.xmlworker render embedded images?


How can I discourage/prevent PCs from using door choke-points?

How does one handle a bottleneck of enemies in a doorway?


How did friction generates heat? Why rolling friction is less?


If $\sum\limits_nz_n$ converges and $|\arg(z_n)|\leq\theta<\frac{\pi}{2}$ for every $n$ then $\sum\limits_nz_n$ converges absolutely

An absolute convergence criterion in $\Bbb C$


Proving by induction for $n^3 - n$ is divisible by $3$

Show that $n^3-n$ is divisible by $6$ using induction


What's the difference between `` and $()?

What's the difference between $(stuff) and `stuff`?


Changing the name of the list of figures

How to change the name of document elements like "Figure", "Contents", "Bibliography", "Appendix", etc.?


Is there a good app/service for listening to private audio files?

How can I add mp3 files as podcasts to my iPhone using iTunes?


Is there a content search program/port (*not* index based) that's efficient for files needing text extraction filters


python IndexError: list index out of range -beautifulsoup


c# Dictionary how to loop through items without knowing key

What is the best way to iterate over a dictionary?


What evidence do we have about Rhaegar and Lyanna?

What's the story behind Rhaegar Targeryan and Lyanna Stark?


Are these two cout line both treating the array the same in C++?

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


How to solve NullPointerException when I press back Button Press

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


There is any different between new F and new F()?

Can we omit parentheses when creating an object using the "new" operator?


How to calculate $x$ in $19^{93}\equiv x\pmod {162}$?

Modular exponentiation by hand ($a^b\bmod c$)


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


How to pass multiple arguments in processStartInfo?


How to join (merge) data frames (inner, outer, left, right)


How to find out the exact time of a tweet?

How to find the exact time a tweet was tweeted


How do I search for [tag1] and [tag2-*]?

Filtering by Favorite Tag including wildcard ("*") and related tag does not filter


Why use GeoServer or Tegola to generate vector tiles from PostGIS rather than ST_AsMVT?

Why do we need Mapserver/Geoserver to present data from spatial database to web browser?


Is it possible to play the S.T.A.L.K.E.R. series in Russian or Ukrainian with English translation?

Is there a way to add English subtitles for S.T.A.L.K.E.R.: Call of Pripyat?


Turn down app volume in Lollipop while not in app?

How can I change media volume when no media is being played?


Formula field change doesn't cause trigger fire


How do I get a sound played at startup on XFCE4?


How were gravitational waves discovered?

LIGO flawed by the identical expansion of laser wavelength and arms in presence of a gravitational wave?


Decimal values in tuple give garbage values in Swift


Starting conjunctions and sentence fragments

Fragments in speech vs Fragments in novels?


Drawing a variable width line in openGL (No glLineWidth)


What are the badges I can earn on each site, and what are the exact criteria for earning each badge?


Why am I missing 537.53gb of drive space?

How can I visualize the file system usage on Windows?


How can I improve Ubuntu overall system performance?


How to create ArcGIS tool with list and "sublist" using arcpy?

ArcGIS Python Script Tool Field Name Drop Down?


How can a case in a switch not have a break?


Power series method to solve Airy’s differential equation


Should I be afraid of getting too many up votes?

What is serial voting and how does it affect me?


Why wouldn't I use Child.prototype = Parent.Prototype rather than Child.prototype = new Parent(); for Javascript inheritance?


Closure counter with 'classic' function doesn't work, but with IIFE it does. Why?


initializing char arrays in a way similar to initializing string literals


Evaluate the following sum using a combinatorial argument

Evaluate $\sum_{k=0}^{n} {n \choose k}{m \choose k}$ for a given $n$ and $m$.


Can (should) we get rid of multiple punctuation marks?


Can the name of a country be considered a plural noun, as a collective of e.g. its citizens?

Are collective nouns always plural, or are certain ones singular?


Why does this act of sacrificial protection against Voldemort not work?

Why didn't James' love and sacrifice for Lily protect her?


Why it is good to take log on Finance data? Does it have nice properties?

When (and why) should you take the log of a distribution (of numbers)?


Someone please explain to me quotient rings

Understanding quotients of $\mathbb{Q}[x]$


Can a player pick and choose quantity of spells on the fly?

How does wizard & cleric spell preparation and casting work?


NullPointerException on reading XML node Java

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


Detect the Internet connection is offline?


udev working with SYMLINK but not with NAME

Is there a way to change device names in /dev directory?


google play services do not support your device

Can't use Foursquare because it needs Google Play Services, which "is not supported by your device"


Pgfplots: how to fill the area under a curve with oblique lines (hatching) as a pattern?


Suppose k is an integer such that $6k + 1$, $12k + 1$, $18k + 1$ are primes. Show that $n = (6k + 1)(12k + 1)(18k + 1)$ is a Carmichael number.

Proving $a^{n-1} \equiv 1 \mod n $ when n is not prime.


How to get a file in Windows with a colon in the filename?


Android:Textview with vertical scrolling text


Whats wrong with this python program! I just cant figure it out

How to test multiple variables against a single value?


Add Wordpress Meta Box saved form input to Wordpress RSS feed


Prove that if $ f $ is Riemann Integrable then it is bounded


calculating percentage of frequencies in R

R compute percentage values in data frame


Intel Wireless Network Adapter won't allow mac spoofing on Windows but is possible in Linux, how?

Change MAC address of Intel(R) Dual Band Wireless-AC 7260


-bash: !": event not found when trying to run Java program


How can I change the perspective of an image with nodes?

Correcting perspective distortion for an angled projector (Keystone effect)


What is the difference between an adjective before the noun and after the noun?


"not constructive" topics are sometimes the best SO topics

Are recommendation questions an acceptable kind of list-type question or should they be closed?


How do I Convert a Geometry Node input to Integer

Geometry Nodes - Incremental increases & controls


Don't understand this Null Pointer Exception

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


Options for displaying PostGIS vectors in OpenLayers


Finding homomorphisms from $\mathbb Z_{12}$ to $\mathbb Z_{6}$.


Probability of randomly drawing all numbers from a set

How many stickers do I need to complete my FIFA Panini album?


Boot Ubuntu 13 from USB flash drive without software

How to install and use Ubuntu from a USB flash drive on Windows 8?


Alternating sum of binomial coefficients: given $n \in \mathbb N$, prove $\sum^n_{k=0}(-1)^k {n \choose k} = 0$


Can editors review a manuscript and make a decision if they cannot find any reviewers?

What happens if the editor cannot find reviewers?


How to verify Ubuntu will install on USB

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


Is there a simple explanation for the fact that the Lorentz transformation must be linear?

Interval preserving transformations are linear in special relativity


How does one create the Dave Hill effect for portraits/action shots?


What value does $\frac{1}{n} \sqrt[n]{n(n+1)(n+2)\cdots(2n)}$ tend to?

How to prove that $\lim \frac{1}{n} \sqrt[n]{(n+1)(n+2)... 2n} = \frac{4}{e}$


I can't extract JSONObject from saved preference class by using

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


How to redefine a command using \DeclareMathOperator


While copying, Ubuntu 18.04 is detecting directory to be much larger than it is

Why do "df" and "du" commands show different disk usage?


Exception in strange class (generated code)


How to remove charactor '\' in NSString?


Is a Canadian visa necessary if I travel Europe/Toronto/Los Angeles?

Is there a way to find out if I need a transit visa for Canada?


The close dialog says there are two off-topic votes, but none of the off-topic reasons have votes next to them


Javascript: Can't get element using getElementById

Why does jQuery or a DOM method such as getElementById not find the element?


Hash Sum mismatch when trying to download package

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


Every Lebesgue measure $0$ set in $\mathbb R$ has a disjoint translation

If $E$ has Lebesgue measure $0$, must there exist a translate such that $E\cap E+x=\varnothing$?


Proving expression$\geq 2$, where variables are $x,y,z$


Expected ']' and Extraneous ']' before ':'

IOS Weird compiler error: "expected ']' before ;' using set-ter for NSString constant in singleton


How get content of a dynamically appended  on click?

Event binding on dynamically created elements?


Left floated element and unordered lists (ul)

Why do my list item bullets overlap floating elements


Impact of a Salesforce Instance refresh or migration on Marketing Cloud Connect and Marketing Cloud org

Marketing Cloud Connect: impact of changing or refreshing core Salesforce org


Why I have two reference at the same Map object?

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


How do you unlock the Bullet as a playable character?


Change RDP Port of Windows 2012 R2 server running in amazon AWS

Unable to RDP to a second computer on the same router after changing default RDP Listening Port


Block local (unix) users from sending mail


the power set of every well-ordered set is well-ordered implies well ordering

Without appealing to choice, can we prove that if $X$ is well-orderable, then so too is $2^X$?


babel shorthand "| doesn't work in macros


Why revolutions (or turns) are dimensionless?

Are units of angle really dimensionless?


Can the focal length be changed while animating?


arcpy clean up of variables in cursors vs. loops


How to determine if I should use "St." or "Saint"?

Accepted way to abbreviate cities that have "Saint" in their name


How do I include a JavaScript file in another JavaScript file?


Can you stop the cops appearing in payday 2

How can I pull off a Bank Heist without the cops getting involved?


What soldering kit for tiny electronics?

What tools, equipment, and techniques do you use to solder fine-pitch SMT parts?


Auto-complete for user defined functions

Autocomplete short symbol names in non-global context


Every subspace of the dual of a finite-dimensional vector space is an annihilator


how to check disk partition in Ubuntu 12.10 and do partition for other OS

How do I resize my current ubuntu partition?


Fork Bomb: Why Piping Output Into Another Copy of Fork Bomb works if no Output is returned?


Should certain topics/tags create a wiki to summarize FAQs on those topics/tags?


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


Finding the error in this proof that 1=2


What is the inverse of the function $x \mapsto \frac{ax}{\sqrt{a^2 - |x|^2}}$?


How can we close questions with bounties?


$\mathcal{C}^1$ implies locally Lipschitz in $\mathbb{R}^n$

A continuously differentiable map is locally Lipschitz


How to preserve tabs in Vim when you paste something?


Amount of energy required to keep 1 kg object above the ground?

Why does holding something up cost energy while no work is being done?


Sass .scss: Nesting and multiple classes?


Add a segment that will always stay in Google Analytics' "Audience overview"

Set a default segment for Google Analytics


What is the reason to use GeoServer to provide access to vector data?

Why do we need Mapserver/Geoserver to present data from spatial database to web browser?


Cannot access windows partition from ubuntu

Unable to mount Windows (NTFS) filesystem due to hibernation


Can't format internal (USB) drive because of Read-Only

Disk Utility cannot erase USB drive (error -69877: couldn't open device)


how do people have websites without .html at the end?

How to get user friendly URLs without any file extensions?


How is Pandemic Legacy impacted by playing with two characters?


Special relativity different time dilatation?

What if a light clock travels perpendicular to mirrors that make up the clock?


How to handle spaces in path names when variable contains multiple paths

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


Galaxy is 8 times closer 13 billion years ago?

Calculate distance of galaxy 13 billion years ago


Calculate integral $\int_{0}^{2\pi} \frac{dx}{a^2\sin^2x+b^2\cos^2x}$

Any hint to solve given integral $\int_0^{2{\pi}}{{d\theta}\over{a^2\cos^2\theta+b^2\sin^2\theta}}$?


Python: How to find directory that shortcut leads to

Reading the target of a .lnk file in Python?


How do I implement occluded lighting in a block-based 2D game?


How to initialize an array dynamically in Java?


Will adding (moving) a well-visited blog to my site subdomain improve its ranking?


Cross Thread exception with async and await

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


Evaluating the integral $\int_{0}^{\infty} \frac{\cos ax}{1+x^2}dx$

Complex-valued Fourier integral: $ \int_{ - \infty }^{ + \infty } {\frac{{\cos (ax)}}{{{x^2} + 1}}{e^{ - ibx}}\,\mathrm dx} $


How do i insert distinct values into my combobox


When to purchase a “Redemption Period” domain


Cardinality of Solutions to an Inequality

$x_1+x_2+\cdots+x_n\leq M$: Cardinality of Solution Set is $C(M+n, n)$


How to arrange several tables in a two column article?

How do I put a table following the other table in a two-colmuns layout?


How to determine which init system is used?


Pros and cons of having dedicated application pools over keeping web applications in one default app pool


Undefined values in Array(len) initializer

JavaScript "new Array(n)" and "Array.prototype.map" weirdness


Binary logical operator to express a conditional in Javascript

Omitting the second expression when using the if-else shorthand


Updating List with Do works but not with ParallelDo

ParallelTable and Table do not give same result


Can I recover my wordpress site with mysql files

Restoring MySQL database from physical files


entire function with bounded multiplicity is a polynomial

Proof that a certain entire function is a polynomial


Install CPAN without bringing in gcc, g++, etc


ArrayIndexOutOfBoundsException when using ListAdapter

How to avoid ArrayIndexOutOfBoundsException or IndexOutOfBoundsException?


Knowing which application tries to unlock a GNOME Keyring

An application asks to unlock the keyring on startup, but it doesn't say which one


How to resolve NoClassDefFoundError for AutoloadedDriver40?

Why am I getting a NoClassDefFoundError in Java?


How to save photos from old Samsung AT&T flip phone with white screen (corrupted gpu) to my MacBook Pro?

Old phone cannot connect to computer, the "computer connection" icon appears on phone


Windows 10 registry setting for volume control

How can I control the master volume in Windows?


HTML Anchor is not clickable after adding elements to the DOM

Event binding on dynamically created elements?


where to put the possessive "s" with an appositive parenthetical


How can I auto-select a radio button with Greasemonkey?

Greasemonkey to change value of Radio buttons in a form?


Machine Learning books for CS (non-statistician) grad student

Machine learning cookbook / reference card / cheatsheet?


What's the difference between JavaScript and Java?


Proof a $2^n$ by $2^n$ board can be filled using L shaped trominoes and 1 monomino


Stream filter returns NullPointerException in condition

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


How to deal with questions that might get more attention on Stack Overflow when more appropriate for another board

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


Process `zsh` function with util that only recognizes commands


Javascript adding onclick to a dynamically created element


Making part of a string bold in textview


Does concentration require line of sight to the spell effect being maintained?

Does going outside of range or line of sight after casting a spell have any effect?


Undefined variable whilst it's clearly defined

Reference: What is variable scope, which variables are accessible from where and what are "undefined variable" errors?


Circled number on regular polygon with nodes


Problem installing mate desktop on Ubuntu 16.04.2

Will I be able to get an interface that is like Gnome Classic in Ubuntu 14.04?


When is it appropriate to end a sentence in a preposition?


Why is the trivial group a zero object for the category of groups, but the empty set isn't a zero object for the category of sets?

Why is an empty set not a terminal object in categories $\mathsf{Top}$ and $\mathsf{Sets}$?


LNK2019 error on destructor and "factory" method

Why can templates only be implemented in the header file?


Exception in thread main with no errors in Netbeans

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


Is it possible to define a std::array without size?

How to emulate C array initialization "int arr[] = { e1, e2, e3, ... }" behaviour with std::array?


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


What's meaning of the `d` and `t.` of the `drwxrwxrwt.` in linux?

What do the fields in ls -al output mean?


Is there a way in LaTeX to separate the endnote text from the place where it should be placed/invoked?

Moving footnote text within source without moving labels


U1256 Underground Ticket - How many journeys permitted?


add new line in textarea not working in my CI project

How to save user-entered line breaks from a TextArea to a database?


How can I allow all players to use the teleport command without the use of mods or op permissions?

How do I allow other players on my server to use commands like teleport, but not spawn in items?


Why is my Tensorflow training and validation accuracy and loss exactly the same and unchanging?

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


How can I run an external Python function in Blender?

How can I run blender from command line or a python script without opening a GUI?


How to create converting constructor in javascript?

What techniques can be used to define a class in JavaScript, and what are their trade-offs?


test class for a method that returns collection of records

Unit testing code which has logic around the CreatedDate


How do i fix a non static method being called in Main?

What does the 'static' keyword do in a class?


Solve $\int_{0}^{\infty} \frac{x^{1/3}}{1+x^2}dx$ using residue calculus


Am I using bounties wrong, or misunderstanding them?

Allow high reward bounties to be longer bounties


computing confidence curves around the fitting line

Shape of confidence interval for predicted values in linear regression


Insert Statement for Form values sent via method="Post"


Why Javascript gives a wrong answer to addition of large integers?

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


Why do we have to apply location, scale, rotation onto a mesh and what are its consequences?

Why is it important to apply transformation to an objects data?


Speed/direction of gravity for a moving source


How to manage background processes in CentOS

Starting a linux process in the background


How to fix 'java.lang.NullPointerException' in SQLiteAssetHelper Android

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


How can I get a wife or daughter in skyrim?


Cartesian product of connected spaces with a common factor


How to compute the image of a polyhedron under a linear transformation


Is there a way to see limits of nets as categorical limits?

Category-theoretic limit related to topological limit?


Which equals operator (== vs ===) should be used in JavaScript comparisons?


Is the population parameter more likely to occur closer to the sample statistic?

Why does a 95% Confidence Interval (CI) not imply a 95% chance of containing the mean?


Import curly brackets from MathDesign (Utopia)


In Bash, when to alias, when to script, and when to write a function?


Sorting 2 dimensional variant array in VBA


How do I remove Windows but keep Ubuntu?


Stubborn single image insists on getting its own page

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


Python regex should match a dot but it does not

What is the difference between re.search and re.match?


Deleting the old site and 301 redirect migration to preserve page rank


Glowing metal: different visual spectrum?

Why does thermal radiation only occur at infrared and visible frequencies?


How to act when you're being serial upvoted

What is serial voting and how does it affect me?


Edited: $T/F:$ The automorphism group $\text{Aut} (\mathbb Z/2 \times \mathbb Z/2)$ is abelian.

Show $\operatorname{Aut}(C_2 \times C_2)$ is isomorphic to $S_3=D_6$


how to punctuate that that in a sentence

How do you handle "that that"? The double "that" problem


Can I force a link to open in a specific browser?


Getting error in console Uncaught ReferenceError: fnSubmit is not defined at HTMLInputElement.onclick

What is the scope of variables in JavaScript?


Linking polygon features in one layer to polygon features in another, using largest overlap in QGIS?

Mapping building to only one grid which contains more than half of its area using QGIS?


What are words that are spelt the same but pronounced differently?

Term for words with identical spelling but different meaning and different pronunciation


Dictionary search engine by pronunciation

Online tools to look up words from pronunciation


Do I need a UK transit visa if I have Ireland's GNIB/IRP card?

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


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


$o(g^{k})=\frac{o(g)}{\gcd(o(g),k)}$ order of a power of a group element.


Nothing shows up in the terminal when I type my password


Using an apostrophe on wedding invitation

What is the correct possessive for nouns ending in "‑s"?


Standardise the order which Review Queues are in across the site

Review sections to be always in the same place


Is there a website with historical temperatures and weather data?


Getting error 80073cf9 for specific Windows Store App after Rollback

Error 0x80073cf9 when installing or updating apps from windows store


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


What happened to the jockey-gtk command?

I installed jockey-gtk but how do I run it?


Insufficient memory with my andriod phone

Google Play: Error downloading app - insufficient space


Example of a group $G$ such that $G = N_1\cdots N_n$ and $N_i \cap N_j = \{e\}$ for all $i \neq j$ but $G$ is not the internal direct product of them.


Why does `let foo = (fmap . const)` fail with "No instance for (Functor f0) arising from a use of `fmap'"?


Is the argument used by the Numberphile video to show that $1 + 2 + 3 + 4 + \dots = -1/12$ valid?

What mistakes, if any, were made in Numberphile's proof that $1+2+3+\cdots=-1/12$?


Separating records in same Database column

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


Derive a formula to find the number of trailing zeroes in $n!$


Event binding on dynamically created elements?


Python newbie: pip install and syntax problems

Why does "pip install" inside Python raise a SyntaxError?


JSF Ajax not rendering until a page refresh

Ajax update/render does not work on a component which has rendered attribute


Aggregate function that append columns values of each group?

How to use GROUP BY to concatenate strings in SQL Server?


having a high score in PGRE test is enough for me to be accepted im astrophysics' graduate programs?

Graduate school admission with a degree in a different field


Why use 'speedily' rather than 'quickly'?


do we need to manually add xml to our solution?


How do I keep indoor air quailty high without letting in the outdoor air?

Can houseplants actually improve air quality?


Show that two numbers divided by their GCD are coprime

Proving $\gcd \left(\frac{a}{\gcd (a,b)},\frac{b}{\gcd (a,b)}\right)=1$


Aliens invade Earth but have no end of problems controlling it

SF Short Story: alien apes invade during nuclear war


Can you beat the market by investing in double long ETFs?

Why are daily rebalanced inverse/leveraged ETFs bad for long term investing?


Command for creating a directory and navigating into it directly?

Is there a one-liner that allows me to create a directory and move into it at the same time?


Is it possible for Gohan to transform into a super saiyan while in his ultimate form at the same time?

Can Gohan transform to Super Saiyan in Mystic form?


How to insert, edit, delete, show entries using Ajax for MYSQL?


Make one program use a special resolv.conf

how to change a file's content for a specific process only?


Why are old questions suddenly showing up in DIY? Many are 1-5 years old


Putting a class inside another list in another class

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


How to prove three properties of the moment generating function?

Existence of the moment generating function and variance


Rational scalar multiplication in Linear transformation using addition property

If $V_1, V_2$ are $\mathbb{Q}$-vector spaces and $f \colon V_1 \to V_2$ is additive, then $f$ is $\mathbb{Q}$-linear


Change the style of cleveref references to sections of other chapters

How to show also the name of the parent counter with cleveref?


If $p$ and $q$ are distinct primes then for any integer $a, pq\mid (a^{pq}-a^p-a^q+a)$

If $p$ and $q$ are distinct primes and $a$ be any integer then $a^{pq} -a^q -a^p +a$ is divisible by $pq$.


Incorrect order of subscribed sites in app left-swipe list

"Your Sites" in Android left sidebar shown in unpredictable order


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


Problem with the number of the elements of a set and its proper subset

Can an infinite set A be larger than an infinite set B but still have the same cardinality?


Ubuntu 16.04 - Software Updater shows blank update list, total size is still shown

Invisible software updates list in Software Updater


XeLaTeX not giving priority to .cbx files in local texmf tree

Why isn't kpathsea picking up my local version of a file?


Overriding Method Parameter Object Behavior

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


How to delete lots of mongodb collections at once?


Have I permanently lost my Pokemon go account?

Is it possible to log back into a Pokemon Go account?


BA diagonalisable show that AB diagonalisable ( A and B are not square)

The relationship between the eigenvalues of matrices $XY$ and $YX$


Finding HCF with the Euclidean Algorithm

How to use the Extended Euclidean Algorithm manually?


What kinds of executable formats do the files under /proc/sys/fs/binfmt_misc/ allow?


Is there a standard term for tests run against production?

What would be a good term for continuous testing post-deployment?


Can K-S goodness-of-fit be used on estimated models?

Kolmogorov-Smirnov for Pareto distribution on sample


How do I use Context in the nested static class below without memory leak or Attempt to invoke virtual method on a null object reference exception?

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


How to have two different scaled graphics on a plot?


Mac Calendar app on 10.13.6 High Sierra editing event descriptions

Turn off autocomplete event name internal to Apple's Calendar app on Mac OS?


“Exception in thread ”main“ java.Lang.NullPointerException” Error


MariaDB 'You do not have privileges to manipulate with the users!'


Can a multiclassed Warlock's Book of Shadows double as their Wizard spellbook?

Can a Tome warlock inscribe known spells into their Book of Shadows?


Don't exclude results that have punctuation just because the query doesn't


Answers that doesn't provide more help than existing ones

Stack Overflow technology makes me write bad answers


Raising Events in Multi-Threaded Environment

Read Introduction in C# - how to protect against it?


Random matrix theory impact on covariance matrix analysis


How does a new user begin using Stack Overflow/Stack Exchange?


Any way to Flavour a Cider crafted with Baking yeast?

Need advice on flavoring/sweetening my homebrew cider


Prevent showing current question in HNQ sidebar

The new hot questions algorithm sometimes recurses


Javascript or jquery to replace text in A tag


How to place a picture in sharedlatex as landscape instead of portrait


Combining Southern Magician and Arcane Disciple feats - Casting Attribute

Southern Magician feat as prerequisite for arcane/divine casters


How to implement UITableView infinite scrolling


Show discontinuity of $\frac{xy}{x^2+y^2}$


mysqli_fetch_assoc() expects parameter / Call to a member function bind_param() errors. How to get the actual mysql error and fix it?


Word for shaking elbows (Covid-19 pandemic)

Does the "elbow-handshake" have any relation to the phrase "rubbing elbows"?


How to filter the dataframe based on a particular column or group?

How to select the rows with maximum values in each group with dplyr?


WP_QUERY with alternating post types and pagination

How to show Y number of custom posts after every X normal posts?


Show that if a group $G$ has odd order, any subgroup $H$ of index 3 in $G$ is normal in $G$?


Fixing QGIS generated SLD to avoid repeating polygon labelling


Question on how to normalize regression coefficient


What is the difference between a stock being "listed" on an exchange and trading on an exchange

Can US stocks list on one stock exchange but trade on other US stock exchanges?


How many solutions for an equation with simple restrictions


T-test formula when population standard deviation is known

Why does t statistic increase with the sample size?


Helpful flags not getting updated after getting 'close question' privilege


What's the difference between size_t and int in C++?


echo containing subprocess generates unexpected output

echo text after curl command on same line


8086 assembly on DOSBox: Bug with idiv instruction?


I can't go back the Panel with the original options to create an object

How to edit Parameters for an Object after it is created?


Why do we regard $z$ and $\bar z$ as independent in CFT?

Decoupling of Holomorphic and Anti-holomorphic parts in 2D CFT


Is it possible to climb Mt. Fuji in November?


Is VBUS sensing necessary for USB on a self-powered device?

Does a self-powered USB device have to connect to VCC from the host port?


jQuery Reel breaks on IE7/8 with jQuery 1.7+


Difference between Convert.ToInt32(string) and Int32.Parse?


How to get phone number of a device programmatically

Programmatically obtain the phone number of the Android phone


Failed to set MokListRT error and can't access Windows anymore

Ubuntu 20.04 Failed to Set MokListRT: Invalid Parameter


Prefix operators are not working as expected in C

Is short-circuiting logical operators mandated? And evaluation order?


Dynamic controlgroup and checkboxes unstyled


Half-baked answers from new question campers....problem?


Why newly created Python object has value of previous


What means the definition F[t_?NumericQ] :=...?

What are the most common pitfalls awaiting new users?


Fourier in Mathematica different from octave


Ubuntu 14.10 blank screen on fresh install, new to this

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


Show that if $\sum_{n=1}^{\infty}a_n$ converges abs. and $(b_n)_{n \in \mathbb{N}}$ is bounded , then $\sum_{n=1}^{\infty} a_nb_n$ converges abs.

$b_n$ bounded, $\sum a_n$ converges absolutely, then $\sum a_nb_n$ also


sorting a string vector based on the string size

sorting vector of vector of strings in C++


Patched up my tire and still lost air again


Unable to locate package pycharm-community in ubuntu 16.04

Install PyCharm on Ubuntu 15.10 - E: Unable to locate package pycharm


Referencing references that reference references? How deep do you need to check for "accuracy"?


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


Do we stop getting reputation of 2 points from edits after crossing 2000 rep?


In cricket, in UDRS screen, if the ball hits the wicket, then why is not out still given?


Why "Dark Energy" is called energy instead of force?


Error: "Session expired or invalid","errorCode":"INVALID_SESSION_ID" When using UserInfo.getSessionId()


Prove $\forall n \in \mathbb{N}, \sum\limits_{i=0}^{n-1} 2^i = 2^n -1$

counting proof for $\sum_{k=0}^{n-1} 2^{k} = 2^n - 1$


Star Trek Voyager: Why does the Main Computer act less intelligent than a hologram?

Why don't Starfleet vessels have intelligent on-board computers?


What are good learning resources for a LaTeX beginner?


How can I achieve this effect where photos have a "bluish" theme with highly dramatic colors?

How do you create a washed out effect with deep blacks?


differences between new and +new in javascript

What does the plus sign do in '+new Date'


a question of optical interference and it's energy propagation

What happens to the energy when waves perfectly cancel each other?


Rounding the SIGNIFICANT digits in a double, not to decimal places


Stuck trying to remove a space between something in my print()


How to normalize my data between -1 and 1?


what is training score vs validation score vs testing score

What is the difference between test set and validation set?


What should you do in the event you are accused of plagiarism?

Users are calling me a plagiarist. What do I do?


What Files Should I Set Up for Clean Apache Configuration


Mahalanobis distance to detect multivariate outliers

Robust PCA vs. robust Mahalanobis distance for outlier detection


Can't operator == be applied to generic types in C#?


Strange warning about operation may be undefined for var++

Parameter evaluation order before a function calling in C


New York stopover on EU passport for dual US citizen during transatlantic trip

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


Calculate sample size for linear regression

Simulating data to fit a mediation model


Did other Star Wars species see into the ultraviolet?


Remove "are you sure?" prompt when deleting comments from flag queue

Deleting comments under posts in the mod queue should be easier


Shortcut keys to delete all text to end of line (or all text after cursor)?

Is there any built-in behavior for Command + Delete (delete line right of cursor) in macOS?


Can I travel to Canada via land with expired US passport?

Can I travel to Canada with an expired passport?


Show that the series $\sum\limits_n P(A \cap A_n)$ converges for $A=\bigcap\limits_{n=M}^{\infty} A_n^{c}$.

$P(\limsup A_n)=1 $ if $\forall A \in \mathfrak{F}$ s.t. $\sum_{n=1}^{\infty} P(A \cap A_n) = \infty$


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


Change screen resolution to exceed the maximum on Windows 7


Minecraft Version 1.7.6 crashes upon singeplayer mode

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


Special theory of relativity - relative movement

If I am travelling on a car at around 60 km/h, and I shine a light, does that mean that the light is travelling faster than the speed of light?


Can “whose” refer to an inanimate object?


Generic battery advice for Sony's NP-FW50

Should I buy an original manufacturer battery, or is a generic brand OK?


Calling an object's function - Undefined is not a function


Incorrect wording in protected question status

Improve "Protected Question" message with regard to rep gained through Association Bonus


Regedit doesn't see registry values inserted from my code

I added a registry key, but I cannot find it programmatically


Curious offset when using foreach with nodes

Pointing to a node with calculated name, why do I get to the east, not to the center?


Is it normal to get several badges at the same time and rep in multiples?


Tools for measuring empirical computational complexity of Java codes?


what contact, if any, did Owen and Beru Lars have with Obi-Wan?

Are there any published details of Kenobi's communication with Lars family on Tatooine before ANH?


tar and its key letters: is it a bug or feature?


Small bit of unallocated space which I cannot add to my partition

Why is there free space at the end of NTFS Partitioned Drives?


Why does mkdir dir{1..10} create dir10 before dir2?


Print an integer in binary format in Java


How do I run scripts from a custom button in panel?

Blender python custom UI button run custom function?


What camera & lens would be ideal for my situation?

How do I choose a lens for my first DSLR to replicate the capabilities of my bridge camera?


Cardinality of a set A is strictly less than the cardinality of the power set of A


Difference between permutations of any given two n digit numbers is always an integer multiple of nine?

Show that $n-m$ is a multiple of 9 when $n$ and $m$ have same digits


Instantiate class with or without parentheses?


Automatically (re)classify data from layer using QGIS?

Automatic pyqgis categorized renderer classification


Recovering access to my unlinked Clash of Clans village

How to link a device in COC if the old device was lost?


Meaning of Capital I with two lines over a set


Non-Parametric Density estimation with a positive variable

Good methods for density plots of non-negative variables in R?


Forced lowercase bibliography with biblatex in apa-style

BibTeX loses capitals when creating .bbl file


Getting nullpointer exception for t1.x why?

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


Find all natural numbers n such that $\phi(n)$=12

Using Euler's Totient Function, how do I find all values n such that $\phi(n)=12$?


How to make work Multiple JButton individually


Are $(x^3)^{1/3} $ and $\sqrt{x^2}$ monomials?


Question about interpreting probabilities in QM

Wavefunction, probability and impossible events


Finding the sum of the elements of an array, Java


How to retrieve images from database and place on JSP?

How to retrieve and display images from a database in a JSP page?


How to show that the composite function of two injective functions is injective

Is the composition of two injective functions injective?


What special characters must be escaped in regular expressions?


How to add placeholders in customized module?

Adding form placeholders to text input fields


How should I email professors regarding online research during covid-19?

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


Can not install skype on ubuntu 12.04. How to solve this error?

How do I resolve unmet dependencies after adding a PPA?


How to send private messages or locate a specific user?

Any way to send a personal message to another user?


What is the ls option to list entries by lines instead of by columns?

How to list *.tar.gz, one filename per line?


Coefficient changes sign when adding a variable in logistic regression


Making a button OnClickListener not working?

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


AWS instance not connecting after running `chmod` command

What if I accidentally run command "chmod -R" on system directories (/, /etc, ...)


If $\sum_{k = 1}^\infty \frac{a_k}{k} < + \infty$, then $\frac{1}{n} \sum_{k = 1}^n a_k \to 0$

Slick proofs that if $\sum\limits_{k=1}^\infty \frac{a_k}{k}$ converges then $\lim\limits_{n\to\infty} \frac{1}{n}\sum\limits_{k=1}^n a_k=0$


“situation where” vs. “situation in which”


Which of the following property satisfied by the entire function .


What are review tests (audits) and how do they work?


How do injuries work with Polyjuice Potion?


Prove that $A_{r,s}$ $=[z\in \mathbb C : r<|z-z_0|<s ]$ is path connected.

An annulus in $\mathbb R^2$ is path connected


Ubuntu server Cannot write to '' (No space left on device)

df in linux not showing correct free space after file removal