Why am I being prompted for a sudo password when I specified "NOPASSWD" in my /etc/sudoers file?

How to run a specific program as root without a password prompt?


How to convert RPM package to a format meaningful to Ubuntu


How to make a switch case in Swift to continue to the next case condition?


I can enter U+0008 (backspace character) into a chat message


how to recover deleted files from disk image (plus more questions)?

Recovering broken or deleted NTFS partitions


TikZ/PGF drawing Sierpinski triangle for predefined iteration-level

How to create a Sierpinski triangle in LaTeX?


Most files and all folders have read only permissions

Files are read-only, and refuse to change


QGIS: Edit attribute values of GeoJSON file: toggle editing greyed out

Attribute editing in QGIS on geoJson file


Why is $(x_i-\bar{x})^2$ in the formula for variance as opposed to $|x_i-\bar{x}|$?


how can the slopes be calculated using a covariance matrix?

Is there a way to use the covariance matrix to find coefficients for multiple regression?


String.Join vs. StringBuilder: which is faster?


Why SetOptions[$FrontEnd, PrintPrecision -> 16] affects one plot ticks but not the other?


How to revert a GitHub repo to a certain commit


Unable to get list of updates: failed to get updates for refresh: Error: Malformed entry 51 in list file/etc/apt/sources.list(omponent)

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


Old Budrys(?) end-of-world/alien invasion of NYC story

Short story where statues have their heads replaced by those of carved insect heads


Where and how to publish research paper as a non-academic independent researcher

What to put in "affiliation" field when submitting paper without affiliation?


Why would a slug thrower be more effective against a lightsaber/Jedi than a blaster?


Prepared states and quantum entanglement

Why is quantum entanglement considered to be an active link between particles?


Why is the suid bit having no effect on a shell or perl script?


Combinatorics: Selecting pebbles making up a 9-sided shape

$20$ people are sitting around a (circular) table. How many ways can we choose $3$ people, no two of whom are neighbors?


Why do we need extern "C"{ #include  } in C++?

What is the effect of extern "C" in C++?


Who do you want to talk to? Whom do you want to talk to?

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


Mathematical Analysis Question: Cauchy sequences proof

Proving that product of two Cauchy sequences is Cauchy


Convergence of the Cauchy product of series

Evaluate:: $ 2 \sum_{n=1}^\infty \frac{(-1)^{n+1}}{n+1}\left( 1 + \frac12 +\cdots + \frac 1n\right) $


5, 8, or 12MP setting best overall for Panasonic Lumix DMC-ZS15, JPEG, 5x7 prints

Does it give higher quality to shoot in low-res mode in-camera, or to downsize high-res photos later?


Why does $\sum\limits_{k=1}^\infty \lfloor m/(n^k)\rfloor$ give you the number of times that $n$ divides $m!$?

Highest power of a prime $p$ dividing $N!$


Should I declare variables in interface or using property in objective-c arc?


Can I hide a file or a folder in ubuntu?

How can I hide directories or files without changing their names?


Biblatex + Xelatex does not display accents


How do I flatten this vector logo leaving only the visible black paths?


Create a snapshot of the Windows session this very moment

Creating a Snapshot of a Windows 7 System


How To echo constant Variable in php with variable name

How to get a variable name as a string in PHP?


How to Create a Vinyl Plastic Toy Shader?


Calculating the gravity gradient of a black hole

What is the weight equation through general relativity?


How to send mail with attachment using JS?


Deleted Ubuntu, then Windows 7 , now Windows is not booting from cd

How to remove Ubuntu and put Windows back on?


org.opentest4j.AssertionFailedError: Unexpected exception type thrown ==> expected

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


Extracting combinations from a list python

How to get all possible combinations of a list’s elements?


Could there ever be a Stack Exchange site that would be willing to answer any question?

Can Stack Exchange follow a more generic approach?


JSF returns blank/unparsed page with plain/raw XHTML/XML/EL source instead of rendered HTML output


How do I add n number of input fields depending on a passed value?

How do I parse a string to a float or int?


Javascript function which does not return a value in every case

What does javascript function return in the absence of a return statement?


when does java create a new object for string

What is the Java string pool and how is "s" different from new String("s")?


C# - How to determine which element has focus?

Get the name of the Focused element in C#


How can I access and process nested objects, arrays or JSON?


What is the minimum packet size for TCP over IPv4


How to check computer's timezone through Terminal?

How can I display the current time & date setting?


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


HP Laserjet 1020 does not work, hp-setup fails to install plugin


Normal Ring and Prime Ideal whose Square is Principal


puTTY serial (ttyUSB0) only works when run as root?

How do I allow a non-default user to use serial device ttyUSB0?


How do I check if a number is a palindrome?


Avoid footnotes from appearing before mark


Looking for the title/author of story about snail-like creatures

Searching for a sci fi story from the 50's or 60's, of snail like creatures on another planet spend their lives eating


How to /give a player a named item with Level 10 enchants in Pocket/Bedrock Edition?

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


Story Identification: Humans Living Within a Comet?

Trying to remember title of a book about people on an asteroid/comet


How to write i hat and j jat from keyboard in ubuntu 18.04?

Some characters are showing as "?" in libreoffice impress


Which recursive functions cannot be rewritten using loops?

Can every recursion be converted into iteration?


Suppose $\dim V >\dim W$. Then no linear map from $V$ to $W$ is injective

Why is a map to a smaller dimensional space not injective?


Books on numerical method in solving differential equations


Trying to take input in Switch case of Java, but showing me another result. What is the specific problem here?


Problem with Installing intel-linux-graphics-installer_1.0.2-0intel3_i386.deb

How do I resolve unmet dependencies after adding a PPA?


How to make domain point to different server without downtime?

is there any way to change host for a website without suffering from downtime?


How to install Kali Linux tools in Ubuntu 16.04 LTS?


How do you evaluate this limit - $\lim_{n \to 0}\frac{cos(n)-1}{n}$?

evaluate the limit as $x$ approaches $0$ of $(\cos x-1)/x$ without l'Hopital's rule


Why can't classical information be transmitted through quantum entanglement by measuring time between change events?

The choice of measurement basis on one half of an entangled state affects the other half. Can this be used to communicate faster than light?


error processing archive while running apt --fix-broken install

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


Again, "if it wasn't" or "if it weren't"?


Why do I get "I don't deserve this" when attempting to relocate?


How to round up a number to the tens unit in c#?

Built in .Net algorithm to round value to the nearest 10 interval


How to log out of a Stack Exchange site?


How shall I get the message in "Sorry, Ubuntu 14.04 has experienced an internal error" in text?

How can I copy the text of an unreportable error?


Use of '? extends ' and '? super ' in Collection generics


Attempt to invoke interface method on a null object reference while implement interface

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


Why doesn't "Software Updater" update all software?

Why Does Software Updater Say No updates Available, but apt-get upgrade Shows updates available?


Trying to do over 1000000 damage in a sword but a comma is in the way

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


Gps mistaken my location and get me to trouble

Google Maps Location History is showing an incorrect location


Science fiction radio drama: aliens find Earth deserted

Science Fiction story about humans escaping earth's destruction


I think the truth value of F ⇒ T should be undefined.

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


quick selection of a random row from a large table in mysql


Javascript placeholder for IE8 is not working

How to support placeholder attribute in IE8 and 9


Trouble understanding Landau & Lifshitz writing about Lagrangians and Galilean Relativity

Deriving the Lagrangian for a free particle


If $K$ is a field, prove the polynomial ring $K[x]$ has infinitely many maximal ideals.

Ring of polynomials over a field has infinitely many primes


Computing $a^b$ (mod c) where b is a very large number

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


Can Windows 7 boot from an external USB or FireWire drive?

Can I install Windows OS (Windows 7) on a removable USB hard drive?


How to reset default permissions for /etc?

Set myself as owner of /etc with chown command now getting all kinds of errors


Terminology index - a list of bike part names and cycling concepts


Is it a bad idea to run SELinux and AppArmor at the same time?


Why is it that Harry Potter is the only one who should defeat Voldemort?

Why didn't Dumbledore just hunt Voldemort down?


/etc/grub.d/09_lowlatency and /etc/grub.d/10_linux double list kernel


Convert â€™ to apostrophe in PHP and display to webpage


Marcus number fields exercise 30 chapter 3


What is taking the storage of my Huawei phone?

How disk space is used on Android device?


How to show that $a_n=\left(1+\frac{1}{n}\right)^n$ monotonic growing

Show that $\left(1+\dfrac{1}{n}\right)^n$ is monotonically increasing


"It looks straightforward, but actually it isn't"


Transparent half circle cut out of a div


What is the difference between partial likelihood and maximum likelihood?

What is the difference between a partial likelihood, profile likelihood and marginal likelihood?


Is the comma here necessary, obligatory, or should it not be included?

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


Is it possible to post questions via email?


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


How can I make plasma colorfunction for my density plot

Colormaps for linear visual perception AND grayscale printing


Java - get the newest file in a directory?


When rendering an image the output is grey


How to take an image of the entire hard disk?

How to make a disk image and restore from it later?


Six feet/foot five: Does adding "inches" affect the grammatical form of "foot"?

Pluralization rule for "five-year-old children", "20 pound note", "10 mile run"


What capture card recording software is available?


Exception in thread "main" java.lang.NullPointerException while performing selection sort?

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


How do I resolve unmet dependencies after adding a PPA?


Calculate the limit including binomial coefficients


Why doesn't $f(z)=\sqrt z$ work as a counterexample to If $f(z)$ is not an entire function, then $g(z) = f^2(z)$ cannot be an entire function.

Disproving the statement "If $f(z)$ is not an entire function, then $g(z) = f^2(z)$ is not entire.”


How can I install the flash player for Chromium in Ubuntu 16.04?

How do I make Chromium use Flash from Google Chrome?


What's the difference between i-- and --i in c#

What is the difference between ++i and i++?


How to save an activity state using save instance state?


Sweden UT Card holder can have non-Sweden country as point of entry

Should my first trip be to the country which issued my Schengen Visa?


How can i get size of an array in the called function?

How to reliably get size of C-style array?


Proving that a function is not totally differentiable in $(0,0)$

determine whether $f(x, y) = \frac{xy^3}{x^2 + y^4}$ is differentiable at $(0, 0)$.


Working code won't execute after .load() but will execute other code?

Event binding on dynamically created elements?


Failed to set 44100hz, use 48000hz instead

Error AL lib: UpdateDeviceParams: Failed to set 44100hz, got 48000hz instead. What can I do?


Shell command output to file with command being executed

How can I save the command and its execution output to file at the same time


How do i set a bone as active in pose mode by scripting

Set active bone in pose mode from Python script


How do I use filenames that start with a dash "-" as command arguments?


Electron ejecting from surface while photoelectric effect


How can I escape the less than symbol when it is next to a alphabetical character?

How can I format to show text inside ""?


Allow improving suggested edits on the mobile website

Mobile SE sites not allowing edits to edits


How can I turn my screen mode to grayscale?

Setting a greyscale (or monochrome) color scheme


What is the result of $\infty - \infty$?


Conflict between atbeginend and tcolorbox

Conflict between packages noindentafter and atbeginend


Prove that every set with more than one element has a permutation without fixed points


Bad image format exception in 64bit application


Why this simple reference to figures does not work as expected?

Why does an environment's label have to appear after the caption?


Additive identity in a semiring need not be multiplicative annihilator.

Examples for almost-semirings without absorbing zero


How to track a program that changes the window focus

How to detect a background program (in Windows 7) which steals active focus automatically?


How to switch to discrete graphics ubuntu 16.04

Ubuntu 14.04.5/16.04 and newer on AMD graphics


What is the difference between Fragile and Robust commands?


javascript---click copy the content to the clipboard

How do I copy to the clipboard in JavaScript?


Trying to asynchronously load data from file on server. Webhost pollutes echoed data and AJAX function returns undefined when it shouldn't

How do I return the response from an asynchronous call?


Is there an inverse to Stirling's approximation?


Find files that are installed by a package

How do I get a list of installed files from a package?


My spacebar is broken, want help remapping it to my Option key


NullPointerException when adding to ArrayList [long post]

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


Any number $n>11$ is a sum of two composite numbers

Prove by contradiction that every integer greater than 11 is a sum of two composite numbers


Converting number to base-2 (binary) string representation

How to display numbers in different bases under elisp?


Why is reassigning Object.prototype not working?


How do I mark an angle with multiple arcs?


How does trees know to balance themselves so that they never fall down

How do trees manage to grow equally in all directions?


I have a Password problem can some one help

How do I reset a lost administrative password?


The exchange of photons gives rise to the electromagnetic force


Checking if an input number is an integer


What is the difference between a .wl package and a .m package?


What is the fundamental group of $RP^{2}$ # $\cdots$ # $RP^{2}$

Fundamental group of the connected sum of manifolds


Cannot boot windows anymore / grub not detecting windows

Unable to boot into Windows after installing Ubuntu, how to fix?


Why are there non-visible objects in my final render?


What happens when entering the US on an international flight?


Number of soulutions for $\bar x^m = \bar a$ in $\mathbb{Z}_p$.

Solve the equation $x^n=a$ in a finite field


For $x,y \in \mathbb R$, let $d(x,y) = |x-y|/(1+|x-y|)$. Determine whether $d$ defines a metric on $\mathbb R$.

Showing $d(x,y) = \frac{|x-y|}{1+|x-y|}$ is a distance.


Why the force is inversly proportional to the square of distance?

Why are so many forces explainable using inverse squares when space is three dimensional?


How do I set combobox read-only or user cannot write in a combo box only can select the given items?

How can I make a ComboBox non-editable in .NET?


Big O, how do you calculate/approximate it?


How to reset uploading file using lightning file upload after clicking on cancel button in lwc


Evaluate $\frac{1}{2 \pi} \int_0^{2 \pi} \frac{1 - r^2}{1 - 2r \cos(\theta) +r^2}d\theta$

How do you integrate $\int \frac{1}{a + \cos x} dx$?


Determine if generic type (where T: struct) has the ability to have maths performed on it?

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


Does javascript pass functions by value or by reference?

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


Does combining hashes from properties make sense?

What is the best algorithm for overriding GetHashCode?


What is the cause of the sudden drop in error rate that one often sees when training a CNN?

What causes sudden drops in training/test errors when training a neural network?


Declaring a Variable and using it inside a if statement


Is 1GB + 1GB RAM better than 2GB +0.5GB?


How to restore my iPhone when iTunes keeps returning an error 2001?


How to pass an object with template function?

Why can templates only be implemented in the header file?


Create subdomains on the fly with .htaccess (PHP)


Why can't you update a value of a nested property in an object directly?

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


Using function as a parameter when executing a stored procedure?

Incorrect syntax near ')' calling stored procedure with GETDATE


Calling a default servlet first in Java web application

Change default homepage in root path to servlet with doGet


Can we find in history command the dates & timing of the command execution


Recovering data from a laptop that cannot boot

I want to copy the data folders from a previous ubuntu(14.04) partition


Nearby objects won't move independently?


Confidence Interval - Binary classification


apt-key is deprecated. Manage keyring files in trusted.gpg.d instead (see apt-key(8))

What commands (exactly) should replace the deprecated apt-key?


ArcGIS 10.1 Python Script tool wont read string variable in SQL statement

Including variable in where clause of arcpy.Select_analysis()?


Can't restore files from Live Recovery CD


Functional derivative simplification for effective action derivation

I want to understand a trick in the derivation of the Schwinger-Dyson equations


Why does a closed convex set contain lines if and only it has no extreme points?

Prove that a non-empty closed convex $S$ has an extreme point iff it does not contain any line


How to remove the save confirmation prompt?


Show that $\lim_{n\rightarrow \infty} \sqrt[n]{c_1^n+c_2^n+\ldots+c_m^n} = \max\{c_1,c_2,\ldots,c_m\}$

The $ l^{\infty} $-norm is equal to the limit of the $ l^{p} $-norms.


Faraday cage for blocking cellphone and wifi signal


Undefined reference error in initializing a static pointer array of a class in C++

Undefined reference to static class member


What actually happen here when you have your local variable called outside the global variable in python?


Insert an hidden character in an HTML text string?

Insert an hidden character in text string using JavaScript


I am stuck at "not defined" but it looks defined to me


Why are the instances of objects set in test class not being implemented?

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


Manipulate freezing on large calculations

Plotting heat equation in a Manipulate expression


Does Stack Exchange remove Ha! from my answer?

Should 'Hi', 'thanks', taglines, and salutations be removed from posts?


If the egg whites are old, is it safe to make Italian meringue?

Why is it dangerous to eat meat which has been left out and then cooked?


Ubuntu 16.04 install no desktop icons, blank desktop (just wallpaper), tried to reinstall compiz

Problems after upgrading to 14.04 (only background and pointer after login)


List of tuples without duplicates & repeated values


Alice has 2 kids and one of them is a girl. What is the probability that the other child is also a girl? (Apply Bayes' Theorem)

In a family with two children, what are the chances, if one of the children is a girl, that both children are girls?


How come gravity is $\mathcal{N}=8$? Why is graviton spin 2

How can I read off the fact that gravity is associated with spin-2 particles from the Einstein-Hilbert action?


What are the transition costs for a proficient LaTeX user to LuaTex?

Frequently loaded packages: Differences between pdfLaTeX and LuaLaTeX


Groups - Prove that if $G/Z(G)$ is cyclic then $G$ is abelian

Proof that if group $G/Z(G)$ is cyclic, then $G$ is commutative


calculate least cost pathways for a region and create distance rasters to rivers

Calculating distance of sites to riverways using ArcGIS Desktop?


Android Java NullPointerException when trying to see if GPS is enabled

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


Attach eventListener on dynamically created input text

Event binding on dynamically created elements?


difference between these two bubble sort implementations

bubble sort with a boolean to determine whether array is already sorted


File Upload Control cannot handle large files (greater than 75MB) in ASP.NET C#

File too big when uploading a file with the asp:FileUpLoad control


Help with Test class for After Insert Trigger


Who has the winning hand in Texas-holdem (different full house hands)

How do you determine the winner of a hand?


JQuery click event not working on dynamically loaded element


Where is the Mods folder? (Windows 10, version 1.12.2)

Mods folder missing from .minecraft folder


Removing unwanted files from local and reverse commit/merge

How do I revert a Git repository to a previous commit?


How to know whether I'm running redhat linux or some other version?

How do I find out what version of Linux I'm running?


error when running the sudo apt update command

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


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


How to transfor "t." into "vol." with the french version of citeyear?

Guidelines for customizing biblatex styles


Creating an instance from a class defined by a string

Create an instance of a class from a string


Is $ f \colon (1, +\infty) \to \mathbb{R} , f(x) = \sin \frac{1}{x} $ uniformly continuous?

$\sin \frac{1}{x}$ is not uniformly continuous on $[1, \infty]$


seeking information about driver for hp laptop.


Filling not working when function in SetDelay

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


Text formatting now allowed in comments (List of proven and disproven abilities)


Passing values or variables over to paypal cart


firewalld has 443 enabled but it refuses connections

What causes the 'Connection Refused' message?


Getting following error for the query ORA-00933: SQL command not properly ended?

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


In the following code, the Month Variable is always entering the else statement block.What changes do i need to make for it to run correctly?


After using `cat` on a binary file, why are letters and numbers left over?

Why (and how) did using cat on binary files mess up the terminal?


How to speak on limit of sequence categorically?

Category-theoretic limit related to topological limit?


What is the cause of this toast message starting with 文件耗时?

Toast message with Chinese characters, is it a virus?


Multiple Entry Visa Cancellation and Applying New Visa

Do i still need to cancel my existing visa which is expiring before my flight?


jQuery - how to validate a date of birth using jQuery Validation plugin?

Custom date format with jQuery validation plugin


C++ undefined reference to template method

Why can templates only be implemented in the header file?


how do you calculate CI in R and explain the method?

Should confidence intervals for linear regression coefficients be based on the normal or $t$ distribution?


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


How to move one file to a folder using terminal?


How to express fitted ARIMA model output by a mathematical equation?

How do I write a mathematical equation for ARIMA (2,1,0) x (0,2,2) period 12


Why sigmoid function instead of anything else?

Comprehensive list of activation functions in neural networks with pros/cons


Why is it impossible to cast to a derived type

Is it possible to assign a base class object to a derived class reference with an explicit typecast?


unable to get char of 2 character long in C

How to determine the result of assigning multi-character char constant to a char variable?


Windows 10 not responsing on USB connectting

USB flash drive not working or is appearing as an empty disk drive, Disk Management reports "No Media" with 0 bytes size


What are quick references to mathematica that fit my needs?

Where can I find examples of good Mathematica programming practice?


Blender open a large file not at a time, but gradually with command line


Passing custom object between Android activities in C#

MonoDroid: Sharing non-trivial data between Activities


Where are wine's dll files located? I need to put vox.dll in the path?

wine I got the error message 'can not find 'vox.dll' please re-install this application


How to write a polynomial $P(x,y)$ in terms of $R(x,y)$ and $S(x,y)$

Partial factorization of multivariate polynomials in terms of given polynomials


Are the commas correctly placed outside the quotes?

How should I punctuate around quotes where the punctuation required by the quote interferes with the punctuation of the sentence?


SQL Server 2012 Page Life Expectancy resets to 0 after about 50 days


what is the difference between "seek" or "search" ?


WPF: Wire a Property Change to an Animation?


MySQL Inserting with single quotes using php


Hibernate Named Query Vs JDBC Query Performance

Hibernate, JDBC and Java performance on medium and big result set


Mechanics of a chain climbing out of a jar


Nondegenerate 2-forms exist on even-dimensional manifolds

why is there no non-degenerate 2-forms on 4-sphere?


What does it mean if I have a high F-stat but low $R^2$?


Why does MatrixForm affect calculations?


Can not copy link to answer or comment without inspecting HTML


Drag and drop (or copy/paste) into Program Files in Windows 10


Reading lines from a text file and creating a text file for each name on each line


help prove this propositional logic equivalency

conjunction of disjunctions and disjunction of conjunctions


Faster Convergence for the Smaller Values of the Riemann Zeta Function


Why does $\sum_{n = 0}^\infty \frac{n}{2^n}$ converge to 2?


Nikon D5100 says "lens not attached" in automatic mode (works in manual)

Why does my Nikon D3100 give the error "Lens not attached" with a Vivitar 200 telephoto lens?


Benefits of ArrayList over LinkedList and performance comparation between them

When to use LinkedList over ArrayList in Java?


java.lang.IllegalArgumentException: Invalid  WelcomeServlet in servlet mapping

java.lang.IllegalArgumentException: Invalid  in servlet mapping


Resize images so that they keep aspect ratio


Prove $\bigcup_{t \in I}P(A_t) \subseteq P(\bigcup_{t \in I}A_t) $

The union of powersets is contained in the powerset of union


Disqus not showing up - Getting default comment form

Disqus comment form not displayed on self hosted Wordpress site


Why in Spring the interface is instantiated and not the class that implements it?

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


Unable to fill input element without a form using CasperJS

How to fill up form using CasperJS without form tag


Bookmarking Others Questions in any Stack Exchange

Is there a way to follow a user on Stack Overflow?


Creating new List of objects in Java throws a NullPointerException

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


Remove locked questions from hot questions

Questions locked for moderation shouldn't appear on hot questions list


When an arbitrary point belongs to a given pyramid?

Test if point is in convex hull of $n$ points


How can I find the sensor position on my camera?

What is the reference plane used when the minimum focus distance is measured?


"Failed to activate service 'org.freedesktop.Avahi'" how to get rid of this message?


What is the fundamental period of cos(4t) + sin(6t)?

Principal period of $\sin\frac{3x}{4}+\cos\frac{2x}{5}$


Without using VM or MAC how can i do IOS development

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


Cycles SSS Rendered image has a strange "noise" coloring artifacts


The faces in rendered and material mode are shading incorrectly. Some are dark and some are light. All normals are correct


Delete first 10 Lines From Multiple Files

How do I delete the first n lines of an ascii file using shell commands?


How to get rid of OTA software update notification?


installation 14.04 - Machine does not restart - stopping early crypto disks ok

What is ubuntu 14.04 doing while showing "stopping early crypto disks"?


Can we say "I am friends"? If not, why can we say "I’ve been friends with..."?


Install Windows 7 on macoS High Sierra (MBP Late 2011)

No bootable device USB 2.0 MacBook Pro mid 2014


How to inject Spring bean into JSF converter

How to inject @EJB, @PersistenceContext, @Inject, @Autowired, etc in @FacesConverter?


Exact Relation between voltage and current

The Difference Between voltage and current


Generate exponential random values in a given range

Generate random numbers following the exponential distribution in a given interval $[a, b]$


Why is Graphics3D lighting different when rotating?

3D graphics render as though no illumination


PHP if statement not returning the right page number


Pure Python script: create a particle system from Python script in 2.9


How close do two objects have to be to considered 'in contact'?

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


How to retrieve file times with nanosecond precision?

Get a nanosecond-precise atime, mtime, ctime fields for file (stat?)


How do I match a string with symbols in a grep-kind of way?

How can I grep for a string containing regex metacharacters like $ and '?


UnboundLocalError on local variable when reassigned after first use


Which is better for using Ubuntu server - CLI or GUI mode

Is Ubuntu Server only available with the command line?


Trig Derivatives - Can They Be Explained Intuitively but Non-Geometrically?

Different ways finding the derivative of $\sin$ and $\cos$.


Robert Sheckley short story about a chaotic world

Short story where a flexible reality hardens to an unchanging one


How to Deploy Java Swing application for windows without revealing the source code

How to lock compiled Java classes to prevent decompilation?


What are the rules in JS on a variable referencing the same data across a loop?

JavaScript closure inside loops – simple practical example


Shall I use [Flags] on all enum types in C#

What does the [Flags] Enum Attribute mean in C#?


spring-mvc - No mapping found for HTTP request with URI

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


String literal still ending up with double slashes?

Why is \ character being doubled in my @ string?


After suspend on HP laptop with Ubuntu 16.04 wifi adapter is not detected

Wifi doesn't work after suspend after 16.04 upgrade


What is serial voting and how does it affect me?


How do I prove that this is onto - f : N → N × N?

How does one get the formula for this bijection from $\mathbb{N}\times\mathbb{N}$ onto $\mathbb{N}$?


lstlistoflistings entry in table of contents name is always 'Contents'

Name of Listings always "contents" in table of contents


The naturality of the canonical projections?

Is natural projection a natural transformation?


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


Why is the public/private key length used in libsodium so much shorter than needed for RSA

Why can ECC key sizes be smaller than RSA keys for similar security?


How to completely remove and reinstall Ubuntu?


Replace overflow content with "..." with html/javascript/jquery


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


get email unread content, without affecting unread state

Fetch an email with imaplib but do not mark it as SEEN


Safely turning a JSON string into an object


After Ubuntu Installation : No Option to choose Ubuntu OS | Always start with Windows 8

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


Is there any way to stop specific sites appearing in browser history?

Firefox: Any way to specify white or black lists for the history tracker?


How do I make custom grass using particles?

Why are the objects in my hair particle system not sitting on top of the ground?


Extracting the function from InterpolatingFunction object


Is it correct to use two consecutive dots indicating an abbreviation and a full stop?


What's the maximum number of pages a PDF produced by pdfTeX can have?


How Prove this $ \sum\limits_{k=1}^{2n} { 2n \choose k } { 2n \choose 2n-k } = 2^{4n} - 1$

Combinatorial proof of summation of $\sum\limits_{k = 0}^n {n \choose k}^2= {2n \choose n}$


How to list files and file sizes of a zip archive?

How to list files in a zip without extra information in command line


Why does SimpleXML XPath return an empty array?

PHP simplexml: why does xpath stop working?


Why is $\frac{2^{2n}}{2n} \leq {2n \choose n}$?


Why don't metals bond when touched together?


how to *completely* turn off automatic updates in Windows 10

Stopping all automatic updates Windows 10


Where will load fall using Nginx, Varnish, and HAProxy?

Can you help me with my capacity planning?


"This answer is no longer consistent with the current version of the question."

Exit strategies for "chameleon questions"


How can make a div vertically center to parent div

How to vertically center a "div" element for all browsers using CSS?


How can I calculate the current through an LED?

Does LED brightness change with voltage?


Delete own questions with upvoted answers is not allowed

Questions deleted by authors who happen to be moderators should show as "removed for reasons of moderation" if the author can't normally delete


Pigeon Hole Principle Problem I'm kind of lost for how to go about this.


Verification: Determining the order of factor group $G=(\mathbb Z \oplus \mathbb Z)/\langle(2,2)\rangle$. Is the group cyclic?

Classifying the factor group $(\mathbb{Z} \times \mathbb{Z})/\langle (2, 2) \rangle$


Confusion about basic bashscript loop - until/done

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


Should I have a visa to enter Turkey to get my luggage?

Do I need a transit visa to collect and re-check my luggage at Istanbul Ataturk airport?


How to use an Oracle Associative Array in a SQL query


Applying uncertainty principle to energy states

What is $\Delta t$ in the time-energy uncertainty principle?


Using pattern matching to reduce IP Spoofing

Practical way to implement prevention of IP Spoofing


What is the difference between the infinitive and present participle?


how to get list of date and name of day between two dates using php

PHP: Return all dates between two dates in an array


Official resource to download Stack Exchange site logos

Why are only five different logos available on the '/about/logos' Stack Exchange page?


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


Converting a list of lists to an array in Python


Why does the Replace() string method not modify my string variable?


Result Source Query do not include allitems dispform editform

Using crawl rules to exclude Allitems.aspx, DispForm.aspx


Disable save (Ctrl+S) confirmation possible?


How do I  prevent .xsession-errors from eating disk space?


Can quantum entanglement provide a faster way of transfer of information than the speed of light?

Quantum entanglement faster than speed of light?


Is every subset  of $\mathbb{Z^+}$ countable?

An infinite subset of a countable set is countable


postfix sending newsletters as spam to the receivers

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


Object doesn't support this property or method on error on IE 8


What is the reason behind the current Order of Operations? (PEMDAS)


ubuntu wont run because windows cant load after i reboot my computer

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


Can someone illustrate how to use const constructor, and under what circumstances do I need to use it?

How does the const constructor actually work?


Unable to connect with internet when using Wifi

Ubuntu GNOME 17.04: wi-fi not working -- mac address keeps changing?


How to install Waterfox browser on Ubuntu 12.04?


Does Voldemort have the "Unicorn's blood curse"?

What sort of curse does unicorn's blood give?


Calculating geometry for feature class with x/y and Lat/Long values in different projections?


What's a good way to schedule scripts that depend on each other?

How to schedule server jobs more intelligently than with cron?


Why am I receiving a NullPointerException during compilation?

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


NPE in Android Studio when communicating with database


Which expression is correct? "I've already started working on it" or "I've already started to work on it"


How to remove spammy search results from Google

Can I exclude spam domains from my search results?


C - Send array to function without declaring it

How to pass a constant array literal to a function that takes a pointer without using a variable C/C++?


Should I use “/dev/random” or “/dev/urandom” for large random data needs?

Not quite grasping /dev/random and /dev/urandom


how to get all possible solutions to delete duplicate items from a list (python)

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


Copying data from some columns of one table to some colums of another table

Insert into ... values ( SELECT ... FROM ... )


Can we please remove the review queues pop-up?


What documents are required to cross the Canada-US border by sea or land

Do I need an ESTA to enter the US with the Victoria Clipper ferry?


Selecting every last element of a nested list


Recovering a password protected LibreOffice Writer document

Decrypting a password protected LibreOffice Calc .ods file (forgotten password)


Two differents longtable, but same column witdh


Finding amount of overlapping minutes in two PHP DatePeriods

How to get time difference in minutes in PHP


Ways to speed up render of same scene multiple time with different textures?

Render Border's related check boxes - How do they work?


I need help with Chown command . I broke my ubuntu

What if I accidentally run command "chmod -R" on system directories (/, /etc, ...)


How to non-interactively configure the Linux kernel build? (Marked incorrectly as duplicated)

How to script make menuconfig to automate Linux kernel build configuration?


Share questions without automatically showing own account ID


Make Feature Layer won't display in Table of Contents

ModelBuilder not adding output feature class to Table of Contents?


Why is `find -name *.jks` not returning some files?


It is possible to use Pokemon images in a game?

How closely can a game legally resemble another?


Disable upstream response buffering nginx

an upstream response is buffered to a temporary file


Change the classname in each Tag that depends on the href value


Expectation on the difference of 2 random variable


Why my answer for this conditional probability problem is wrong?

In a family with two children, what are the chances, if one of the children is a girl, that both children are girls?


How to diagnose/fix very slow boot on Ubuntu 18.04


Is it a good manner to have a nice question/answer without any edit history?

Badge request: "Practically Perfect in Every Way"


Why do we need a pull-up resistor if we can just make a short to the power source?

Pull-up and Pull-down Resistor Usage on Input or Output MCU Pins


How many servers are used to host Stack Overflow?

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


What is the font-family for the name of an algorithm

All letters in uppercase, but the first letter bigger than the other ones


how to user super() in python class inheritance


Netflix not working in Firefox, how to fix?

Now that I have Firefox 49 or higher, how do I watch Netflix?


RandomVariate problem with PascalDistribution? (10.3, Win)

Strange behavior of RandomVariate and PascalDistribution


Slow down connection for Browser for testing

Simulate limited bandwidth from within Chrome?


what is the difference between .function() and a function(args) in javascript

What's the difference between a method and a function?


What is the maximum size of 2 dimensional array that we can use in c++ programming?

Is there a max array length limit in C++?


Cannot copy strings from pointer array with strcpy in C?

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


with javascript:void(0) href not calling ajax query after one use

Event binding on dynamically created elements?


How can I tell the address of the remote server an app communicates to?

Monitor HTTPS traffic on an ios device or maybe remotely on the Internet


Understanding the geometric meaning of homology and cohomology group?

Intuition of the meaning of homology groups


How to put a brace on the right, not left, to group cases?


Problem with RT3290 wifi driver on Ubuntu 16.04

How do I get a Ralink RT3290 wireless card working?


Is Objective C the preferred way to write OSX applications?

What are alternatives to Objective-C for Mac programming?


Check that a plugin is installed and enabled

How to tell if an add on is present. Using Python


JSF command button enable/disable based on JSF check box using javascript

How to disable/enable JSF input field in JavaScript?


How to get IP address of the device from code?


Notification bar broken after upgrade 16.10 -> 17.04

Weird behavior when overriding gnome alert styling?


Store each animation frame as new object


Assign Derived Class Collection to Base Class Collection compilation error


How does C++ know which element in vector is Derived*?

How are virtual functions and vtable implemented?


How references are internally stored in c++?

How are references implemented internally?


How to stop applications without focus from opening popup windows


BeanFactory v/s ApplicationContext, explanation through code example


How to individually select  and then use modulus to select the odd ones

How to select even or odd elements based on class name


What does a "CALLBACK" declaration in C do?


Breaking the law of conservation of energy with wormholes?

Potential energy conservation in traversable wormholes


Can I remove the unity launcher completely?


Why call GC.KeepAlive in the end, and not in the beginning?

Understanding garbage collection in .NET


How do I shrink my unmounted root partition?

How do I resize an encrypted LVM to install another copy of Ubuntu?


Keep on getting this error; Exception in thread "main" java.lang.NullPointerException


Best practice on folder layout in revision control?

Recommended Source Control Directory Structure?


Space between acronym entry and it description

Glossaries: vertical aligment of acronyms' long names


Why does `cat`ing a file into itself erase it?


How to fix "W: Duplicate sources.list entry"?


Could we please be a bit nicer to new users?


How do I detect a click outside an element?


Iterating through a string in Python in 8-character chunks

How do you split a list into evenly sized chunks?


What is an example of Gibbs free energy?


Using the `geometry` package with luatex


Italics used for the plural treatment of words?

Single Quote Marks to Denote Plurals of Letters and Words


Generating a date in a particular timezone

Create a Date with a set timezone without using a string representation


Adaptors that work in the various electricity outlets in Europe

Is there a powerstrip that accomodates most if not all AC power plugs?


What weapons and armor can a Shield Guardian use?

Do monsters have proficiency with all weapons and armors?


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


Which app opens ad webpages in my Windows 10?

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


TCL/Expect:: How to automate the router boot loader function

How to automate console scenario using TCL script?


Is it possible to obtain a transit visa at Heathrow Airport?

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


How to get exact file location in input file type using Javascript/PHP


Python saying 2 equal lists are not equal

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


How can i parse/get from a textBox words that are only letters?

How to get only letters from a string in C#?


dynamic memory created inside a function

C Programming: malloc() inside another function


How to define permissions in a Menu Deriver?


Globally Defining a Variable that Depends on Arguments of Functions

Expressions containing globally undefined symbols inside a function where they are defined


Is there a line symbology that also shows vertices?


CSS Styling both img and paragraph child elements


Event binding on dynamically created elements?


What do the different colors in ls output mean?

What causes this green background in ls output?


Remove Java Panels without crashing your program


Is it possible in beamer to darken all colors on an inserted pdf image?


I have a 13 mile commute, and I'm looking to buy a new bike

What bike+equipment for a long daily urban commute?


reflecting direct light on glossy surface in Cycles


MySQL: Add two columns when one or both may be null


NullPointerException outside of volley method

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


Purpose of "!::=::\" `name=value pair` in `env` stdout

Strange environment variable !::=::\ in Cygwin


Why is it that $\lim_{h \to 0} \frac{\Delta_h^n}{h^n}=\frac{d^n}{dx^n}$.


Error moving uploaded file using jQuery & PHp

How can I upload files asynchronously with jQuery?


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


The PHP version is not correctly detected


Packages are not installing, many "unable to locate" errors

How do I restore the default repositories?


How do I use a LIKE clause in a PDO prepared statement?

How do I create a PDO parameterized query with a LIKE statement?


Splicing a list of arguments into a function with Sequence


Can't boot from USB when installing Ubuntu

How do I install Ubuntu from an USB drive / create a live USB-stick in Windows?


How can one restrict keyboard layout for specific applications, such as terminal emulator?

Assign default keyboard language per-application


rstrip not removing newline char what am I doing wrong?

Why doesn't calling a Python string method do anything unless you assign its output?


Calculate time difference between times past midnight

How do I calculate a time delta in my Google Spreadsheets?


Given $p$ prime and $0<k<p$, show that $p$ divides ${p \choose k}$

Prime dividing the binomial coefficients


d3 Choropleth: Cannot read property 'objects' of undefined

Cannot read property 'objects' of undefined: d3 Choropleth


Package accessibility for function and/or class


Is there a way to password protect individual apps?


MySQL database lost all data without any action

When do you use POST and when do you use GET?


Is there a simple page, "What is Winter Bash, and what's all this about hats"? Can we have one?


Getting redirected when I try to go to the quant Stack Exchange site


(Java Minecraft 1.13) How to get a fireball to shoot in the same direction as the summoning player is looking?

How to use ^^^ coordinate systems for motion nbt


How do I enable the "Universe" repository?


"fish" vs "fishes" Which one is correct here?


The Cardinality of $(a,b)$ and $\Bbb{R}$

Prove: Any open interval has the same cardinality of $\Bbb R$ (without using trigonometric functions)


How do you split a list into evenly sized chunks?


Class differences in isinstance() in python3 vs python2

What is the difference between old style and new style classes in Python?


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


From "Review in progress" to "Ready to review"

What does the typical workflow of a journal look like?


How can I visualize the file system usage on Windows?


cannot have an overloaded operator called


Can't boot up Windows 10 after I installed Ubuntu

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


How does this Python statement "line[len('name:'):]" work


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


PHP Query Inserting Apostrophe in database


My mesh goes nuts when I try to move points

Why can't I transform faces, edges, or vertices without transforming the whole object?


How can I prevent installers adding shortcuts to my desktop?

Can you block installers from making desktop shortcuts?


What's the best way to gain reputation points on Stack Overflow?

Six simple tips to get Stack Overflow reputation fast


JavaScript Array.map(parseInt) causes NaN error

Why does parseInt yield NaN with Array#map?


Creating a virtual file whose contents are determined programmatically

Create a virtual file that is actually a command


Why is there a _t in many data types in c++?

What does a type followed by _t (underscore-t) represent?


How to prove that if $D$ is countable, then $f(D)$ is either finite or countable?


capacitance at inverting op-amp input of unity gain inverting amplifier

Why does this first-order RC filter with an op-amp display resonance?


How does a register machine differ from a stack machine?


Modify a file without creating another file

Can I make `cut` change a file in place?


Name cannot begin with the ' ' character, hexadecimal value 0x20 in c# using xml String


Over a dozen close recommendations are needed?

How many "Recommend Close" votes is too many?


Ubuntu 16.04.01 LTS 64bit - screen goes black after 30 seconds

How to permanently disable monitor power saver using the command line?


Prove integral equality $ \int_{0}^{\pi} xf(\sin(x))dx = \pi \int_{0}^{\frac{\pi}{2}}f(\sin(x))dx $

Show that $\int_{0}^{\pi} xf(\sin(x))\text{d}x = \frac{\pi}{2}\int_{0}^{\pi}f(\sin(x))\text{d}x$


How can i prove that $a_n \geq a_{n+1}$ for $n > 1$?

Find the limit if it exists of $S_{n+1} = \frac{1}{2}(S_n +\frac{A}{S_n})$


How can I see the queries (SQL statements) that are generated when I modify or edit the records of a PostGIS table, inside QGIS?

Show Log of the Sql statements that QGIS generates to retrieve Data from Postgis


How to remove NullPointerException in this code

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


Ubuntu 14.04 - Install Now button disabled

"Back" and "Install Now" buttons grayed out in 14.04 installer


are PDO::prepare and PDO::quote completely secure?


A simple issue of ListLinePlot ticks with table function


Book about a guy that gets sent to a magical place because of an experiment, becomes a wizard

Man can do magic by writing spells on the inside of his mind


How to use a one-to-one mapping to transform the support of K-dimensional Dirichlet distribution to K-1 dimensional Euclidean space?

How to perform isometric log-ratio transformation


The vote counter bugs when reaching 100 up-votes in Android

Vote Count Wrapping Issue on Some Questions in Android App


Everytime I Try To Quicksave My Fallout 4 Gamesave Corrupts


Dell Inspiron 1545 cannot connect to wifi


Glass jar becomes black in cycles render

How to illuminate the darkness inside glass objects in Cycles?


Are linear transformations $T_1$, $T_2$ invertible?

Is Linear transformations $T_1,T_2 : \mathbb{R}^n\rightarrow \mathbb{R}^n$ Invertible?


What is the difference between public, protected, package-private and private in Java?


SSH Allow Password For One User, Rest Only Allow Public Keys

how to disable SSH login with password for some users?


How to assign a function in Lua for a randomly generated numbers


how to capture key repeats with javascript

Prevent JavaScript keydown event from being handled multiple times while held down


Updating/merging rows from imported data that share the same primary key in Google Sheets

Report/process only using the last entry made by the user in Google Forms


What is the correct way of writing the support of a function in math mode?

Define additional math operators to be typeset in roman


Javascript *and* operator used for a string parameter

Javascript AND operator within assignment


Ubuntu 20.04 - execute script from shortcut after adding to favorites

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


For which prime numbers $p$ is $\cos(2\pi/p)$ irrational?

Calculate the degree of the extension $[\mathbb{Q}(\cos(\frac{2\pi}{p})):\mathbb{Q}]$


Authentication with openid.stackexchange.com fails with firefox

Can't login with Stack Exchange OpenID when HTTPS-Everywhere plugin is active - apparent protocol mismatch


Proof that the set of Natural numbers are equal to the Real numbers

Proof that the real numbers are countable: Help with why this is wrong


java.lang.NullPointerException on an opbject, but I'm not use which object

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


Which anchors to use for a wall in a basement

How do you secure wood framing to a concrete basement floor?


BASH - never execute unless environment variable is defined and certain value

What's a concise way to check that environment variables are set in a Unix shell script?


Pressing specific 3 buttons at a time not working but other 3 combinations are working

How do I remove the limit on PC keyboard button presses?


problem with ubuntu after installing virtualbox

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


Hibernate updates only those fields that actually has been modified (by setter method)

Hibernate: Dirty Checking and Only Update of Dirty Attributes?


Proving formula for product of first n odd numbers


Not able to add 3 JPanels to a main panel


What to do if wifi can scan networks but can't connect?


Ubuntu Server - After reboot key always refused, until login

SSH pubkey authentication works only if another session is already open


How can I repeat the header but not the caption with longtable?


Why does p-value have to be defined as 'at least as extreme' as the test statistic rather than just the probability that T= t?

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


Pressing SUPER+L once locks screen but leaves side bar (dock) and desktop visible

Why does the dock appear on the left when my screen is locked?


Result of $\int \limits_{-\infty}^{+\infty}x^2\times\exp\left(\dfrac{-x^2}{2}\right)\mathrm{d}x$

Integral: $\int_{-\infty}^{\infty} x^2 e^{-x^2}\mathrm dx$


A topological space is extremally disconnected iff every two disjoint open sets have disjoint closures


When passing an array to Twig, words with special characters are disappearing


Linear Fit: why do we minimize the variance and not the sum of all deviations?


Example of a non-splitting exact sequence $0 → M → M\oplus N → N → 0$


Trouble figuring out some attack/defense formulas. What should I change?


How can I reapply for my refused B1/B2 Visa (Denial under 214B)?

Why my U.S. B1 Visa got refused under 214 (b)?


Downloading an application without the admin password

Admin privileges requiring for installing a package build though Packages


At runtime, find all classes in a Java application that extend a base class


How to select an element inside "this" in jQuery?


How do I check how many times the root-file system can be mounted before it is auto checked?

What's the frequency of filesystem check on boot?


19.10 Nautilus Terminal causes failure to fetch launchpad.net

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


Get filename without extension from full path

How to get the filename without the extension in Java?


Wifi loses internet connection after awhile

How do I get a Realtek RTL8723BE wireless card to work?


jQuery: Checked event on checkbox added later through innerHTML is not working.

Event binding on dynamically created elements?


19 months and no decision: At what point should I withdraw my paper?

Is my paper under review (or similar) for too long and if yes, how should I react?


Will my "in?" monkey patch cause issues?

Is there an inverse 'member?' method in ruby?


View App Store Download Progress (Downloading Maverick)


“An error occurred submitting the question.” with MSSQL query text

Rejection of text containing SQL statements


Given $a_1,\dots ,a_n\in V$, the set $W$ of all linear combinations of $a_1,\dots ,a_n$ is a subspace of $V$.

Let $W$ be the set of all linear combinations of $v_1,...,v_n$. Then $W$ is a subspace of $V$.


Degree of minimum polynomial at most $n$ without Cayley-Hamilton?


Opportunities in quantum computing for an undergrad

Are there any organised resources available from where I can begin my quantum computing studies?


Replacing a colon using string replace using Javascript and jQuery


What's the cardinality of $\{ (i,j,k) : i+j+k=10, i,j,k \in \mathbb{N} \}$ ? General case.

Number of solutions for $x[1] + x[2] + \ldots + x[n] =k$


string.split and string.join in Python 2.7

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


unable to install synaptic package manager

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


HDRI With Volumetric to Create Throw Pattern?

How to do volumetric lighting for a forest scene?


How to get the name of the relationship for inner queries in SOQL?


Alternative to SQL Server Management Studio and Azure Data Studio to initially change my password

Handle expired SQL login's passwords in SQL Server


Going through minimized windows in Ubuntu dock

Switching between windows with scroll wheel on Ubuntu Dock


Travelling through UK - H1B (Visa stamp expired) but have a UK visitor's visa

Do I need a UK airside transit visa, if I already have a UK visitor visa?


Showing that the sequence $a_n=[1+\frac{1}{2}+\frac{1}{3}+\frac{1}{4}+\dots+\frac{1}{n}]-\ln(n)$ converges

showing that the sequence $a_n=1+\frac{1}{2}+...+\frac{1}{n} - \log(n)$ converges


how to create links for all files in directory with javascript?


Why can templates only be implemented in the header file?


How to infer inline code using a method attribute

C#: How to create an attribute on a method triggering an event when it is invoked?


Login by phone or email along with Username

Is there a way to register on my Drupal site with mobile number and password instead of email?


How to install the Class::Method::Modifiers module in Perl?

What's the easiest way to install a missing Perl module?


Formal proof that $N$ is the smallest infinite set

Proving Dedekind finite implies finite assuming countable choice


Show more than 7 icons in combined-flair


Get current editor toolbar tab via Python?


Does the universal quantifier express existence?

Existential import: in logic, do propositions default to true or false when objects in them do not exist?


Find out which process is changing a file


Connecting Extra USB HID Device to VMware Workstation VM Automatically on Startup


13.10: Partial upgrade created held broken packages

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


Transferring code from old version of xcode to newer version

How to transfer code from old version of xcode to the newest verision?


How prove a group is not free abelian group

Why isn't an infinite direct product of copies of $\Bbb Z$ a free module?


Where do we use the object operator "->" in PHP?


Bijection between $\mathbb{R}^n$ and $\mathbb{R}^m$

Examples of bijective map from $\mathbb{R}^3\rightarrow \mathbb{R}$


"while read -r LINE; do" is replacing multiple spaces with a single space

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


sizeof is used to calculate the size of any datatype, measured in the number of bytes. Doesn't it mean that number of bytes is an integer?


Finding the number of elements of order 2 in $D_{n}$


Why $P(A) \cup P(B)$ is not equivalent to $P(A \cup B)$


Append the code number's line for java.util.logging.Logger

How can we print line numbers to the log in java


settings_fields() doesn't work for other roles except admin


Why aren't comment up-votes converted to "stars" when the comment gets transferred over to chat?

Transfer upvotes on comments to stars in chat


Request exceeded the limit of 10 internal redirects due to probable configuration error

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


List of lists changes reflected across sublists unexpectedly


5% are left or 5% is left; which is better or correct?

Is the sentence "There is a large number of labourers who want to migrate to Japan for work." correct?


package ‘classInt’ is not available (for R version 3.1.0)

How should I deal with "package 'xxx' is not available (for R version x.y.z)" warning?


Xelatex, Adobe Garamond Pro and changing spaces add unwanted blank space with footnote

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


Is $1$ and $-1$ the Supremum and Infimum of the set $A=\left\{\sin(n), n \in \mathbb{N}\right\}$


Should "Applied Cryptography" be capitalized? Is it a proper noun?


Configure OpenSSH SFTP Server to authentificate users against MySQL Database


How to get client's IP address using JavaScript?


Obtaining values from interpolating functions

Finding x given y from an interpolating function


Whats the easiest way to move project Java from java.net to bitbucket

How do I migrate an SVN repository with history to a new Git repository?


How to Disable future dates in Android date picker


Find the necessity and sufficiency condition for $Z_m$ to be a Field

Alternative methods to prove that $Z_m$ is a field under addition and multiplication $\bmod\ m$ iff $m$ is a prime


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


Examples of number theory showing up in physics


AMPscript to decode HTML entity in data extension field


Best way to print a datagridview with all rows and all columns?


Why Passing parameter to click event listener function causes a weird result?

How to pass arguments to addEventListener listener function?


Rigorous underpinnings of infinitesimals in physics


Minimum area of the parallelepiped surface


How to stop tab bar's second tap which pops to navigation controller?

Prevent automatic popToRootViewController on double-tap of UITabBarController


Referring to adult-age sons and daughters as children


How to prove $X^{\omega}$ with a product toplogy is metrizable with $\rho(x,y) =\sum_{n=1}^{\infty}2^{-n}\frac{d(x_n,y_n)}{1+d(x_n,y_n)}$?

Show that the countable product of metric spaces is metrizable


how to find 95% confidence bands for predicting mean y per value of x and 95% prediction bands for predicting individual y values

How can I plot data with confidence intervals?


How can I solve this limit: $\lim_{n\to \infty } \left(\frac{1}{1+n} + \frac{1}{2+n} + ... + \frac{1}{2n} \right) $?

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


How to draw this diagram with tikzcd or other packages


If $a\equiv 1\pmod {p^2},$ then $a\equiv 1\pmod p,$ for $\,a = r^{{\rm ord}(r)}$

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


Where one can ask survey kind of questions about Stack Exchange/ Stack Overflow?

Are research survey questions expected to be handled with close votes?


Java SWT List error, "null pointer exception"

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


How to recover data from Intel SSD 320 Series

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


Remove items in one IList from another IList


Applying offset to lines that are on top of each other, result like metro map

Different lines that run on top of each other show as different lines


Add and remove update channels in an easy terminal way


Is an electron completely determined by its mass?

Fundamental particles identical or just differences very small?


How to read a single character from the user?


Unable to find expected entry 'restricted/source/Sources' in Release file

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


Natural (human alpha-numeric) sort in Microsoft SQL 2005


What does the 'rc' in `.bashrc`, etc. mean?


when taken 5 root of big number gives wrong answere in js


Number of integers less than $x$ with $k$ prime divisors (not necessarily different)

Limit of ratios of numbers with $m$ factors and primes


How do you check if a string is not equal to an object?


transit visa for UK required? layover time-14 hrs/ travel - india to vancouver/ valid canadian visa/ arriving in london on 20 aug and leaving 21

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


Where to put coding a validation script for store?

Where to put my code: plugin or functions.php?


Is it possible to add a variable reference to an execute method that implemnets SchedulableContext sc

Passing Parameter Into Schedulable Class


About definite article before "Earth", "Moon" and "Sun"


How do I resolve unmet dependencies after adding a PPA?


Difference and advantages between dijkstra & A star

How does Dijkstra's Algorithm and A-Star compare?


Finding sum of $\lim_{n\rightarrow \infty}\sum^{n}_{k=0}\binom{n}{k}^{-1}$

Calculate sums of inverses of binomial coefficients


How to get rid of lots of natbib warning?


Difference between reference and pointer

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


how do i stop the "=" symbol from creating "WolframAlphsShort"

Mathematica v 12.1.1.0 FrontEnd Autoformatting Bug (?)


Java Method.invoke throws NullPointerException

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


Is it common practice to click on a logo to go the home screen?


Which packages are installed on Ubuntu desktop by default?

How do I list the default installed packages?


Using Files on the Internet Automatically?

Is it possible to input a file from the web


How do I open Chromium in incognito mode by default?

How do I make Google Chrome open Incognito by default?


What's a safe, green, practical, affordable and effective way to physically destroy hard drives with household tools?


How to use SET TRANSACTION ISOLATION LEVEL?

WITH (NOLOCK) vs SET TRANSACTION ISOLATION LEVEL READ UNCOMMITTED


When importing is it possible to set the delimiter?


How to create partition in Ubuntu using Gparted?


why java thread cannot get the newest value

What is the volatile keyword useful for?


Is it correct to say "double eight" or "triple nine" when spelling a number?

Transcribing long repeating phone numbers


How do I print out the contents of a vector?


java.lang.NullPointerException in parsing json data

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


Browsing the internet from the command line


Split a string to groups of 2 chars using split?

Split large string in n-size chunks in JavaScript


Architecture design in "buff-heavy" game?

What's a way to implement a flexible buff/debuff system?


Why does my one lens have different exposure (t-stop) than my other lens?


xorg display problem - user cannot login


How can I know how many rows were affected after an update query

PHP/mysql get number of affected rows of UPDATE statement


How are the two definitions of Canonical Transformations related/equivalent?


Why use "the" for oceans/seas/rivers etc. but not lakes?


What is use of background colour in question lists?

What do "watched tags" and "ignored tags" do?


Where can I find good exercises for algebraic geometry that require hard, concrete computation?


driver for graphic card NVIDIA GeForce GT 820M?


Accidentally drop table in database that has no backup


Is there such a thing as a Ubuntu Certified Engineer?


How to get a random number/letter combination in Javascript?


Is it possible to add CSS to the user edit page?


Why is the center of buoyancy located at the center of mass of the displaced fluid volume?


Problem with limit 2 variables $\lim_{(x,y) \to (0,0)} \frac{x^2 y^2}{x^2 + y^2}$

evaluating the limit $ \lim_{(x,y) \rightarrow (0,0) } \frac{x^2y^2}{x^2 + y^2} $


Why are posts turned wiki after a few edits by the owner?

Is there any point forcing a post to Community Wiki after 6 owner edits?


Family of holomorphic functions on the unit disk with zeros at $1/4$ and $1/5$

Showing that $|f(z)| \leq \prod \limits_{k=1}^n \left|\frac{z-z_k}{1-\overline{z_k}z} \right|$


How to restore lock screen option in settings?

Ubuntu 17.10 Screen lock not working and grey


If $H$ and $K$ are finite supgroups of a group $G$, then $|HK| = \frac{|H||K|}{|H\cap K|}$

How to prove that $|HK| = \dfrac{|H| \; |K|}{|H \cap K|}$?


Is it possible to pass the compiler an option from the program?


Unable to update packages in KUbuntu 18.04

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


non-static method count(int) cannot be referenced from a static context

Non-static variable cannot be referenced from a static context


How to resize lvm partition on ubuntu 17.10

How can I resize an LVM partition? (i.e: physical volume)


Ways to grab the data which a browser sends to a server?


How to simply generate the CREATE SQL script for a table and data?

What is the best way to auto-generate INSERT statements for a SQL Server table?


Add Exit button to Android App By Calling a Function from one Activity


I need an alternative term for “master,” as in someone who has “mastered” a particular craft


Why is nextLine() returning an empty string?

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


Method to shade or overlay a raster map to reflect time of day and ambient light


WordPress 404 errors on all pages except home


Shell Script - syntax error near unexpected token `else'


Extracting email from a specific sender from Outlook in Python

Python Outlook getting all emails from Sender


Unicode characters in answer garble the entire page

Zalgo in user names and effects on comments rendering


Why can't you decrypt an encrypted message with just the public key?


Assign null to Variables, That Are No Longer Needed in Java

Does assigning objects to null in Java impact garbage collection?


Isomorphism between $D_{2n}/Z(D_{2n})$ and $D_n$

What is the center of $D_{2n}/Z(D_{2n})$


Make a bootable disc with both 64bit and 32bit versions?

How do I burn multiple Ubuntu isos on one DVD?


How to Legally Use Google Imagery and Maps in ArcGIS Desktop and Web Applications?


ERROR 1698 (28000): Access denied for user 'root'@'localhost' at Ubuntu 18.04


a few, several, and many before hundred / hundreds of

"(a) few hundred people", "(a) few hundreds of people"?


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


is compactness equivalent to limit point compactness?

Limit point compactness implies compactness.


Series expansion of a multivariable function to an order n for any number of variables

Multivariable Taylor expansion does not work as expected


Javascript biggest numeric value (add or subtract value)

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


Bash shell script to add classpath if empty


Who were the Blue Wizards mentioned in the first Hobbit film?

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


About the scope in javascript,why the following not output 21 but 22?

What is the scope of variables in JavaScript?


String.equalsIgnoreCase(...) equivalent in Ruby

How to compare strings ignoring the case


Exception in thread "main" java.lang.OutOfMemoryError: Java heap space if i'm scann many folder

How to deal with "java.lang.OutOfMemoryError: Java heap space" error?


Android Studio Making a Public or Private class crashes when starting application

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


BashScript works from Terminal but not from CronTab


Repair SD card removed from phone without unmounting?

Check and fix SD card errors within Android itself?


How to subtract string hexadecimal values from dictionaries?


How to assign a key on my keyboard to my Mouse?

How to map/bind mouse button as keyboard button in Windows 7?


Determining the convergence and divergence

About $\lim \left(1+\frac {x}{n}\right)^n$


How do I install applications in Ubuntu?


How to generate a dynamic bubble answer sheet for multiple-choice exam

Is there a package to create Optical Mark Reader answer-sheets?


JavaScript object dot notation or bracket notation

JavaScript property access: dot notation vs. brackets?


Can Indian national with Canadian PR card get UK transit visa?

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


Area51's Share section is using Twitter's old logo, which Twitter's branding guidelines are against


Taking back control of Windows 8 Machine: Exhausted Options

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


What are the most popular techniques of proving inequalities?


Why is it easier to ride a bicycle than to run?

What makes running so much less energy-efficient than bicycling?


If no answers are offered in a bounty, automatic message should not be “you must award answer”


Does this person has/have the clearance?


OS volume shows as type 'FFFFFFFF-FFFF-FFFF-FFFF-FFFFFFFFFFFF'

iMac disk partion FFFFFFFF-FFFF-FFFF-FFFF-FFFFFFFFFFFF and fusion drive unlinked


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


Can you have multiple enchanted Fire Lashes?

Can magical enhancement bonuses and weapon special abilities be added to a fire lash?


Why Can't I shrink log file in full recovery mode

Why Does the Transaction Log Keep Growing or Run Out of Space?


I need help with calculating probability


Let $f: [0,1] \rightarrow \mathbb{R} $ be continuous with $f(0) = f(1)$ *note, there is a part b*


Error ! You can't use `\eqno' in math mode


Undefined result of relativistic velocity addition formula


Why can I not store user input into a variable and then use this variable?


Why is permeability of free space (in calculation of magnetic field) a non zero number?


How to squash git commit history up until 5 commits ago

How do I reduce the size of a bloated Git repo by non-interactively squashing all commits except for the most recent ones?


Why can't enum's constructor access static fields?


How can you upgrade Nookling Junction into T&T Mart in Animal Crossing: New Leaf?


Program figuring out if a number entered is even

How do I check if an integer is even or odd?


The use of "so" instead of "thus" in reported speech


CompizConfig doesn't work with ubuntu 18.04

Just upgraded to Ubuntu 18.04 and can't use compiz grid window resize commands?


Need help with a relative clause from Heart of Darkness

Position of a relative clause before/after a verb


how to tackle Matlab error in calculation of exp?

Why is 24.0000 not equal to 24.0000 in MATLAB?


Installing Orange Package with older Python Version?

How do I integrate Github files to Orange for ML?


Python 'is' operator behavioral difference while running as a script and running on terminal

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


Prevent pdflatex from writing a bunch of files


UK Standard Visitor visa refusal for Assessment and Interview in the UK Army- refused V4.2(a) (c)

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


Suppose $G$ is a finite group, $H\leq G$, and $[G:H]=2$. Prove that for every $g\in G$, $g^2\in H$.

Given $G$ group and $H \le G$ such that $|G:H|=2$, how does $x^2 \in H$ for every $x \in G$?


Can a mathematically sound prediction interval have a negative lower bound?


why are there no atoms with a few protons but many more neutrons?

What makes the number of neutrons the number of proton similar?


Survival analysis without observing survival times

Statistical methods for data where only a minimum/maximum value is known


Finding the number of ways to make change for a given amount

Making Change for a Dollar (and other number partitioning problems)


How to enforce that one row in a parent table MUST be associated with at least a row in a child table

How to have a one-to-many relationship with a privileged child?


Late 2008 Apple Aluminium MacBook complete reinstall

How do I do a clean install of Yosemite?


ConcurrentModificationException in Java List when using Object and Duplicate List

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


How can I sort "Your Communities" by reputation?

Ordering of "My Communities" in the Stack Exchange drop-down menu appears to be broken


Europe to USA: How come a detour within Star Alliance cuts the price in half?

Why is a nonstop flight sometimes more expensive than multiple connections?


Function won't compile. Is there a workaround?

Bizarre behavior of With, Compile and Break


Catenatives followed by infinitives and gerunds


How to remove Ubuntu and put Windows back on?


Extension on my one of previous questions about each element in a sequence being coprime.

Proving that the elements of a sequence will always be co-prime to each other.


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


Prove that if $3|(a^2+b^2)$, then $3|a$ and $3|b$, where $a, b$ are integers

If $3$ divides $a^2 + b^2$, then $3$ divides $a$ and $3$ divides $b$


Unwanted space after author name when using \citep

Unwanted space between author name with at al. and year when using \citep


My code only work inside a $(document).ajaxComplete(function ()

Event binding on dynamically created elements?


How can I vertically center a "div" element for all browsers using CSS?


Quadratic Equation Based Problem:Prove either $a = 2l$ & $b = m$ or $b + m = al$

Method to eliminate $x$ between the equation $x^2 + ax + b = 0$ and $xy+ l(x + y) + m = 0$


Problems with 14.04.2 LTS and Nvidia GT218 and nouveau

How do you run Ubuntu Server with a GUI?


What is term for person who dismisses your side of opinion

Term for a person who is extremely dismissive


What's the difference between an id and a class?


How do I replace a text file using regex package in python?

Search and replace a line in a file in Python


Bug separating an array of cubes in blender 2.90?


How to find out why electric usage has more than doubled?

How best can I discover what is up with my electrical bill?


Can a linked list be sorted by changing the references?


Move objects , code etc from sandbox to Dev org

How to copy metadata of Partial Sandbox into a new Developer sandbox?


Book that I read long ago. I believe that the word "chaos" is in the title

'Hellburner'--looking for a sci-fi story that contained that term


Firing Community Managers: Stack Exchange is not interested in cooperating with the community, is it?


Removing all elements from map that does not match leads to java.util.ConcurrentModificationException

Why is a ConcurrentModificationException thrown and how to debug it


Test of equality (equals and hash code method)


Would anyone "decipher" this CAPTCHA for me, please?


Feature Request: prevent downvote AND close vote

Downvotes versus close votes on questions


Getting current node paragraphs content from block

How to get instance of referenced entity?


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


How do I split an object into 2 parts when editing on another person's file?

Splitting pieces of a mesh into a new object


The actual polynomial behind a BezierFunction

How to know form of plotted Bézier function


What are the IPv6 Public and Private and Reserved ranges

What is the IPv6 equivalent to IPv4 RFC1918 addresses?


sed command – sed 's/test/toast/' – not replacing all 'test' in file


How can I verify if a Windows Service is running


What's wrong with this IF...AND statement?


Plural or singular: "The socks in these pictures [are/is] the left one, before and after it was cleaned." Is the correct conjugation "are" or "is"?

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


Another Boolean problem with sculpt addon and union


Confusion over the general rules governing the use of the hyphen in English

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


When flagging duplicates, the auto-posted comment should be capitalized correctly

Capitalize "possible" in the automatically inserted comments when you vote to close as a dupe


How to install Java 8 along with Java 9 in Windows 7

Multiple Java versions running concurrently under Windows


Noetherian rings have only finitely many minimal prime ideals.

How to prove a commutative, with unit, Noetherian ring $A$ only has finitely many minimal prime ideals via the following step?


MPAndroidChart error, help would be much appreciated

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


Why wasn't Snape sorted into Gryffindor?

Why was Severus Snape placed in Slytherin?


Why does my cross_val_score give different values when I run it again?

Different seed gives different LASSO output


Is it possible to load a background image via attribute with CSS?

CSS3's attr() doesn't work in major browsers


Calling a Method from another Module's Class

How do I instantiate a custom class with dependency injection?


Given the following circumstances, how can I jailbreak my iPhone 6+


Letters tty terminal text mode are very small in debian. How to increase?

Can I change the font of the text-mode console?


How do I add my own custom attributes to existing built-in Python types? Like a string?

Can I add custom methods/attributes to built-in Python types?


How can I control fan speed on Acer Nitro 5?


make awk print the line that match a variable and the next n lines and use a variable in awk

Pass shell variable as a /pattern/ to awk


Best lightweight web server (only static content) for Windows


How do I install ndiswrapper support for an unsupported RTL8723DE wireless module?


JavaScript RegExp concatinating variable

How do you use a variable in a regular expression?


I can't install window games I get an error writing resource (6)

How can I install Windows software or games?


Mark a question with an asterisk in enumeration mode

Modifying labels on some enumerated items


Generate XKCD passwords from single Bash line

Generate four random words from a list for XKCD-like passwords


jquery clicking on list item is not working

Event binding on dynamically created elements?


The limit of iterated square root with multiplication under the root, $\sqrt{ a \sqrt{ a \sqrt{a \cdots}}}$


I need a regular expression that can match ending tags

RegEx match open tags except XHTML self-contained tags


After the conclusion of his last fight, is Kisuke Urahara dead?

Did the following characters of Gotei 13 make it alive?


How to reprompt user for a valid string input?


sed: print only first occurence of a pattern match

How to select first occurrence between two patterns including them


Do not include own questions in mails from subscribed tags

Do not send me emails about questions written by me (even if they have a tag I am subscribed to)


Derivation of some basic properties of conformal transformations

Topological/Geometrical justification for $\text{CFT}_2$ being special


Ubuntu 16.04 problem with update after installation

E: Problem executing scripts APT Update::Post-Invoke-Success error during apt-get update


My terminal doesn't work. How can I fix it?


Good to replace my python 2.7.6 with python 2.7.9?

How to update ubuntu's python with latest version from source?


If a ball carrier falls to the ground, how many seconds will the umps allow the clock to run?

When can you get up again after falling on the ground?


A blinding light / blinding sunlight / a blinding sunlight


Null Pointer Exception at 'if' statement

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


Correct formula for LED current-limiting resistor?


How to use hyphens appropriately when listing multiple hyphenated terms?


How to identify the name of the package?


Is it possible to disable the 'Block Placed' message when using tellraw /setblock?


What is the difference between "Alphabet" and "Alphabets"?


the operator-> return value of smart pointers


How long can I go without exhaustion on 10 days' rations?

Does a character with 10 Constitution only need to eat every 4 days?


Different representation of a Lebesgue integral

Intuition behind using complementary CDF to compute expectation for nonnegative random variables


Unable to read any question or answer in Android app due to black box


How can I create a linear regression model with some negative coefficients in R?

Is it possible in R (or in general) to force regression coefficients to be a certain sign?


Create a callable object with arguments already supplied in Python


Reverse a string without using reversed() or [::-1]?


Building Linux from Scratch stuck, incompatible sed version?

"No such file or directory" on an executable, yet file exists and ldd reports all libraries present


Is it possible to get GIMP 2.10.4 work on Ubuntu 16.04?

How do I get the latest GIMP version available?


Baking cakes in the Microwave ovens as compared to Electric ovens


Thread safety with method parameters reference vs value


Article Usage in Standard American English

'The average person' or 'an average person'?


Evaluation of $\int \frac{\sqrt{1+x^4}}{1-x^4}dx$

How to evaluate these indefinite integrals with $\sqrt{1+x^4}$?


How can I install a dual boot configuration with Ubuntu and Windows XP?


My Google-based connection ID not usable, Atlassian Crowd problem

How can one link / merge / combine / associate two accounts / users? (Anonymous / unregistered / cookie, or Google / Facebook / registered)


.fbx export why there are no materials or textures?


Suppose that a and b are positive integer then φ($a^b$) = a$^{b-1}$ φ(a)

Show that $\phi(mn) = \phi(m)\phi(n)\frac{d}{\phi(d)}$


An active access token must be used to query information about the current user


different ways to write a number is not divisible with another number


How to use a content type form as a block

Programmatically Render a Node Edit form with a custom Form Display Mode


Why can some games run on my computer, but some others don't? Is it my video card?

How can I check if my computer's powerful enough to run a certain game?


Comment on the monotonicity of $g(x)={f(x)\over x}$

If $f(0)=0$ and $f'$ is increasing, then $\frac{f(x)}{x}$ is increasing.


The Times is a highly (respected or respectable) journal?


Sudo Not Working for Node and NPM Install

Node Package Manager got corrupted in some way, now it cannot be installed


How To uninstall Ubuntu 13.10 from pc having no other OS and Install Windows 8.1?

How to remove Ubuntu and put Windows back on?


where to find the best resource and support for tikz or latex developer?


fixes excel to latex = Undefined control sequence. ...ecto\\ para cada integrante\end{tabular}}}

fixes more = Missing \begin{document}. \begin{table}[] Undefined control sequence. ... & \multicolumn{1}{l|}{}


Java Random : How to return int value with non significative 0

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


What is an example of perfect multicollinearity?

What correlation makes a matrix singular and what are implications of singularity or near-singularity?


Prove that if $\lim_{x\to a} f(x) =0$ and $g(x)$ is bounded, then $\lim_{x\to a} f(x)\cdot g(x)=0$

If $f$ is bounded and $\lim_{x \to c} g(x) = 0$, then $\lim_{x \to c}g(x)f(x) = 0$


Realtek RTL8723BE/RTL8188EE 802.11b/g/n Wireless pci drivers not working. Ubuntu 18.04

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


More PHP Class Variables $this->variable->function()

How to do a PHP nested class or nested methods?


How to put a div in the middle of the page

How can I vertically center a "div" element for all browsers using CSS?


Event binding on dynamically created elements?


Convert anti-aliasing on color to anti-alias on transparent

make an image that appears transparent (but has a background) actually transparent


Define the color of an imported .svg picture, using TikZ


How do I write a Python dictionary to a csv file?


Why implement Comparable interface when you can define compareTo method in a class?

Is there more to an interface than having the correct methods


What is a Null Pointer Exception at getDatabaseLocked(), how can i fix it?

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


What is a good algorithm for estimating the median of a huge read-once data set?

Algorithm to dynamically monitor quantiles


All possible combinations from given sets but without repetition of sets’ internal elements


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


If $n$ is an odd integer, then there exist integers $a$ and $b$ such that $n=a^2-b^2$.

Proof that every odd integer is a difference of two squares


Texture with UV grid not showing up on 3d object

How to show textures in the 3D View editor?


Image of a self-normalizing subgroup under a surjective homomorphism

How can we prove that $N_G(H)=H$ implies $N_{f(G)}(f(H))=f(H)$


Where to ask Voice Recognition questions

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


apt-get update for a particular repository

apt-get update only for a specific repository


I get a null pointer error with the object array


Prove that every nonempty open subset of $\mathbb{R}$ can be expressed as a countable disjoint union of open intervals and another problem.

Any open subset of $\Bbb R$ is a countable union of disjoint open intervals


Template within template: why "`>>' should be `> >' within a nested template argument list"


JavaScript difference between two Date()'s in months

Difference between two dates in years, months, days in JavaScript


Multinomial Clustering in [R]: While loop error "missing value where TRUE/FALSE needed"

Error in if/while (condition) {: missing Value where TRUE/FALSE needed


Deny access to a webpage using web.config


Finite group of even order has an element $g \neq e$ such that $g^ 2 = e$

Group of even order contains an element of order 2


Automatically make or update a copy real-time on another hard drive volume whenever files are saved to a particular folder

How do I synchronise two folders in real-time in Windows 7?


Text for Electorate gold badge is confusing & ambiguous

On exactly what criteria is the Electorate badge awarded?


Finitely generated $\mathbb{C}$-subalgebras of $\mathbb{C}[x]$.

Must $k$-subalgebra of $k[x]$ be finitely generated?


TV show that involves teens/kids going to another world

Live action TV show where High school Kids go into the virtual world and have to clear levels


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


LaTeX - including .bib file not working properly

Question mark or bold citation key instead of citation number


Convergence of $\sqrt{n}x_{n}$ where $x_{n+1} = \sin(x_{n})$


Prove that there exist infinite positive integers n such that n and n + 1 are filled with squares in its factorization

Inductive proof that there are infinitely many pairs of consecutive powerful integers?


Integrating $\int_{-\infty}^{\infty} e^{-2b x^2} \, dx$

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


Split 3D line feature at vertices based on slope change


EDITED: Android App Force Closes with Null Pointer Exception - ArrayList Fails to Populate With Items

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


multiple logical operators in shell script causing an issue


Has online map-based software for survey been developed?


Extra alignment tab has been changed to \cr error

Error: extra alignment tab has been changed to \cr


Filling a polygon with a pattern of insets


How can I build an Excel file without Office or any 3rd party dependencies installed?

How do I create an Excel (.XLS and .XLSX) file in C# without installing Microsoft Office?


how to combine multiple row and get a table as shown in the picture?


Show an entire function with $f(z) = f(z+1), f(z) = f(z+i), $for all $z \in \mathbb{C}$ is constant

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


$x^2+y^2-1$ irreducible in $\mathbb{Q}[x,y]$?

$\mathbb{Q}[x,y]/\langle x^2+y^2-1 \rangle$ is an integral domain, and its field of fractions is isomorphic to $\mathbb Q(t)$


Help stuck and don't know which way to go

apt-get update fails to fetch files, “Temporary failure resolving …” error


Aborting a shell script if any command returns a non-zero value


Prove that, $\binom{3n}{r}=\binom{3n-1}{r} + \binom{3n-1}{r-1}$


Redirecting to originating page in ASP.NET MVC

How do I redirect to the previous action in ASP.NET MVC?


How do you install Visual Studio 2010 Professional?


Shouldn't this sql query (where after combining colums) work?

Reference alias (calculated in SELECT) in WHERE clause


Understanding the structure of an InterpolatingFunction

What's inside InterpolatingFunction[{{1., 4.}}, ]?


How to avoid ConcurrentModificationException when removing from collection

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


I've got an "XS" Pokémon. Is it special?


How does one view what the contents of symbolic link are, instead of the destination?


How to get the first key larger than a specified key in SortedDictionary in O(log n)?

Finding nearest value in a SortedDictionary


Solving for a variable that's an exponent


How to prevent a secondary HDD from spinning down?


Navigate to subdirectory(windows) using wildcard character

How do I navigate to a subdirectory named with a single character using only a wildcard in cmd/batch script?


Lost the workspace menu...how to get it back?


Preventing Mathematica from considering small values to be equal to zero

Why this very simple problem turns to "Indeterminate"?


Difference between "asked" and "were to ask" in conditional sentences?


I have a multidimensional array, and need to sort it by a "column" but keeping the other column organized

How do I Sort a Multidimensional Array in PHP


Recent patches for vulnerability attacks for SQL Server 2014 SP2 version


Is it OK to ask questions in other languages?

Do posts have to be in English on Stack Exchange?


titlesec: loss of section numbering with the new update (2016/03/15)


How can I get useful error messages in PHP?


Convert a string representation of a hex dump to a byte array using Java?


How to remove duplicate lines inside a text file?


How to sync contacts between iCloud and Gmail with Mavericks

How to sync iCloud contacts with Google?


How to reject a PhD Scholarship offer after accepting it?

Rejecting a PhD offer after having accepted it. Advice?


Why can't Python's raw string literals end with a single backslash?


What are valid values for the id attribute in HTML?


How does ?#iefix solve web fonts loading in IE6-IE8?


How to protect a Jar file from being decompiled?

What can done to secure jar files besides obfuscation?


Autoscrolling in RichTextBox C# WinForms

Inconsistent Results with RichTextBox ScrollToCaret


Plotting Direction Field for Differential Equation

How can I plot the direction field for a differential equation?


Populating ListView from arraylist Error with adapter

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


crontab(1), crontab(5) what's the difference?


Find all the entire functions satisfying $f^2+g^2=1$

$f, g$ entire functions with $f^2 + g^2 \equiv 1 \implies \exists h $ entire with $f(z) = \cos(h(z))$ and $g(z) = \sin(h(z))$


Cronjobs doesn't work but commands works

How can I execute `date` inside of a cron tab job?


How do I restore the default repositories?


Is it possible to get a star symbol in Linux?

Awesome symbols and characters in a bash prompt


How do I resolve unmet dependencies after adding a PPA?


How do I remove a specific chapter from a table of contents?

Unnumbered sections appearing in TOC in REVTeX 4.1


Proof the sum of odd cubes using induction

Mathematical Induction Question About A Basis Step


Where is documentation for Control`PoleZeroPlot?

What is the most convenient way to read definitions of in-memory symbols when we don't have the source files? (Spelunking tools)


Unable to change user name on Windows 10

How to rename the User folder in Windows 10?


CUDA error: out of mem aloc result line 855. Does anyone experience the same issue?

Cuda error, Out of memory while I have 4GB of GPU


sudo lockout can not access updates or, add packages

How do I reset a lost administrative password?


How to force caching apt-installed packages so that I can copy and install on another machine?

Where are packages stored installed with APT in Ubuntu 16.04?


How to get perfect UV sphere Mercator projection?


What would happen if a charge could travel at $c$?


MS Access, Is there any way to develop by more than 1 people?

How do you use version control with Access development?


What would happen to a person's body if they entered a black hole?

Thought experiment - would you notice if you fell into a black hole?


Is it true that Schrödinger wrote his Schrödinger Wave Equation from his mind?

How can one derive Schrödinger equation?


Which is correct: "a same" or "the same"?

"The same name" vs "a same name": what's the difference?


How do I set the font size in an iPhone text field?

How to change textfield font size programmatically?


do I need this comma in " ...techniques for fighting fires, in space or at future..."?