Has the CVE-2019-11815 bug been patched in the kernel version 4.15.0-50-generic?

How can I tell if a CVE has been fixed in Ubuntu's repositories?


KOMA-Classes (scrbook, scrreprt, ... ): Disable chapter separation in \listoffigures and \listoftables


Error #1248 - Every derived table must have its own alias

What is the error "Every derived table must have its own alias" in MySQL?


How to insert a date in the database in JavaEE?

How to convert java.util.Date to java.sql.Date?


Smallest closed subspace of $A$ in pre-Hilbert spaces


Watch for changes in local folder and upload them to SFTP server

How do I make Powershell run a batch file and then stay open?


Get which field was null when NullReference Exception is caught?

Can Visual Studio tell me which reference threw a NullReferenceException?


How much memory would be needed for a Wordpress site with 8.000 hits per day with the occasional spike?

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


Codeigniter Mail function sends mail to spam folder

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


Can't open desktop folders on Ubuntu 18.04

Desktop folders won't open with clean install of 18.04


What is the difference between prefrontal cortex and frontal lobe?

Why is the prefrontal cortex called such?


Is it possible to reference a dynamically-generated list that's being iterated over in a for loop?


Recover data from unresponsive PC using second PC?

Is RAM completely cleared when you turn off computer after pulling power?


Style Completion in Texlipse not working

TeXlipse hotkeys for bold, italic, underlined


Why am I getting an actionPerformed() error: unknown source?

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


JavaFX: Error because of an Event listener when i clear my tableView


Cannot get wireless network after suspend


How to prove that if $(ab,n)=1$ then, $(r,n)=1$?


convention to name interface and implementation?


JVM - Order of execution of sub class methods and the use of @override

When do you use Java's @Override annotation and why?


How to give an app permission to write to external SD on a rooted phone

Grant an app write access to external storage that does not request it?


Period effects in pooled time series data in R


What is the difference between "dentry" and "inode table" in Linux FS?

What is a Superblock, Inode, Dentry and a File?


What is the best way to bake a hi poly model texture to low poly model?


Probability distribution and uniform distribution in a sphere

How to generate uniformly distributed points in the 3-d unit ball?


Template meta programming : print type list

Is it possible to print a variable's type in standard C++?


Regular Expressions: Is there an AND operator?


Use Schengen visa issued by another country to travel others without going to the issuing country?

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


I get a NullPointerException, but I don't know where the error is

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


How do I center an element within a div without knowing the child element's width?


Can you omit the return type in main function?


NullPointerException - runOnUiThread() from Fragment


Will a Liechtenstein stamp really get me denied entrance to Finland?

Are there consequences to stamps in my passport that are not from border control?


Zero Divisors in Direct Product of Rings

Prove $R \times R$ is NOT an integral domain


Spatial data not aligning after Define Projection?

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


Is there a LaTeX package to format computer language grammars?

Which package can be used to write BNF grammars?


Since Voldemort knew that Dumbledore did not kill Grindelwald, why did he think that killing Snape was necessary for him to wield the Elder Wand?


Windows 10 UEFI Bootloader ignores Ubuntu


How do you start Windows 10 in safe mode?


Is it hour or hours when used in a phrase?

Should we use plural or singular for a fraction of a mile?


How to test multiple variables against a single value?


How can I build a recursive function in python?


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


Why the integral converges only when C is 1 and why other values of C would give infinity?

Any hints or answers to figure out the unknown value of C?


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


How to set bash next bash operation input equal to the output of the prvious operation?

Use the output of a command as input of the next command


Normalizing the covariance matrices of a series of random vectors

Is the covariance of standardized variables the correlation?


If any two indices are equal, then the term is zero

Skew symmetry of indices in cocycles of Cech cohomology


Create a shortcut in TeXstudio for $*$ and automatically move cursor to *


when we have different results, can we say that logic is not universal?


A concept of the exterior derivative for functionals

Can differential forms be generalized to (separable) Banach spaces?


What are the good introductory resources for M-theory towards AdS/CFT?


When is "EDIT"/"UPDATE" appropriate in a post?


What is the theory behind a simple pattern involving binomial coefficients?

Combinatorial interpretation for the identity $\sum\limits_i\binom{m}{i}\binom{n}{j-i}=\binom{m+n}{j}$?


PHP sanitize strings used inside PHP PDO connection


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


British or Australian live action kids show in the mid 90's

Youths can teleport, they are chased by the government


debugging "connection refused" in AWS EC2 ubuntu server

What causes the 'Connection Refused' message?


Warn users who are about to hit the "we are no longer accepting..." wall

Warn new users when they ask a question after a previous question is closed, downvoted, or deleted


How would I connect to a proxy on Ubuntu Studio?

How do I set system-wide proxy servers in Xubuntu, Lubuntu or Ubuntu Studio?


How to make the optional title of a theorem bold with amsthm?


Windows 10 "optimize drives" shows SSD as "hard disk drive"


Why are differential equations for fields in physics of order two?


How to add date criteria to query function?

Compare dates in query from IMPORTRANGE and cell


Cannot serialize member 'XXX' of type System.Nullable`1[System.Decimal]. XmlAttribute/XmlText cannot be used to encode complex types


How is the parity calculation in a RAID 6?

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


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


Transformerless power Supply - 24VDC, 120V AC and 230V AC


Java.util.HashMap -- why HashMap extends AbstractMap and implement Map?

Why do many Collection classes in Java extend the abstract class and implement the interface as well?


stationary point of a periodic function.

Prove that for $ f(x+2\cdot\pi)=f(x), x \in \mathbb{R} $, there exists $ x_0 $ so $ f(x_0+\pi)=f(x_0) $


How to create/update OS level environment variable using the java programming?

How do I set environment variables from Java?


Calling a stored procedure with varchar as output parameter

ADO.NET - The Size property has an invalid size of 0


Where did the Programmers Stack Exchange site go?

Is "Software Engineering" the replacement of "Programmers"?


Pass the output of previous command to next as an argument


How SVD is used for dimensionality reduction?

Relationship between SVD and PCA. How to use SVD to perform PCA?


Separation between last and secondlast item in citet with authoryear style?

biblatex: Tighter integration of \textcite "in the flow of text"


C++ -- Catching built-in "divide by zero" exception


Please give us the ability to sort "featured" tab by bounty amount


How can i find out what is taking space on my system

How to understand what's taking up disk space?


In Mechanize (Ruby), how to login then scrape?

How to fill out login form with mechanize in Ruby?


How to integrate $\int_0^N \frac{\vert \sin(x) \vert}{x} dx$

Improper integral $\sin(x)/x $ converges absolutely, conditionaly or diverges?


Are virtual exchange particles real or just mathematical?

Do virtual particles actually physically exist?


Show that $\frac{a}{1+a} \leq \frac{b}{1+b} + \frac{c}{1+c}$


What is the meaning of the notation $]a,b[$?

Question about set notation: what does $]a,b[$ mean?


Callout delay when HttpRequest is invoked in a trigger account


Gauss's law in a uniform charge distribution extending infinitely in all directions


Identify app icon that looks like a letter "b"

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


Does a bounded sequence having a single limit point always have a limit?

Prove $x_n$ converges IFF $x_n$ is bounded and has at most one limit point


How long is Mass Effect 3 on normal difficulty?

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


How to find intersection point between lines matlab

Find point of intersection between two vectors in MATLAB


Splitting a string using the empty string as the delimiter yields leading empty string but no trailing empty string


install an older version of xcode on mac lion 10.7


Perl modules between AIX and Linux/ issue with use and require

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


Let $A$ and $B$ be sets. Suppose that there is some set $X$ such that $A \cap X = B \cap X$ and $A \cup X = B \cup X$. Show that $A = B$.

Let $ A $, $ B $ and $ C $ be sets. If $ A \cup B = A \cup C $ and $ A \cap B = A \cap C $, then show that $ B = C $.


Can I do something with my partitions so I can install Windows alongside Ubuntu?

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


macvim, mactex, and M1 MacBook Air (MBA)


Some irreducible character separates elements in different conjugacy classes


bash parameter expansion doesn't appear to be a simple textual substitution

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


$a^n +1$ prime, then $a$ is even and $n$ is a power of $2$

If $2^n+1$ is prime, why must $n$ be a power of $2$?


Can't install wine from winehq.org on Ubuntu (actually Lubuntu) 18.04 LTS


jquery - parent element not being removed

Event binding on dynamically created elements?


How to type special/accented letters in LaTeX?


Call parent function when overriding javascript prototype

Calling method using JavaScript prototype


Question mark or bold citation key instead of citation number


Removing the cancel button of a window using JOptionPane

I would like to change this code to display only "OK" and delete the cancel button


How to add programs and files within the linux ISO:

Is there a tool to view and edit ,iso files like PowerISO?


How to create a writable and clearable symbol?

How to Clear variables represented as a list of strings?


What is the difference between a static and a non-static initialization code block


Sorting Dictionary with child dictionary of object value type


How does a connection pool in MongoDB with pymongo driver?

best practice of django + PyMongo pooling?


Book recommendations on geometrical methods for physicists (like Topology, Diff. Geometry)

Book covering differential geometry and topology for physics


How can we programmatically detect which iOS version is device running on?


Uninstalling Python 2.7.12 on ubuntu 18.04 ended with broken packages

How to remove all traces of python from Ubuntu


Converting String to Double in Swift reveals extra decimal places


What's different between try_files and rewrite?


How do I use near sensor in blender game engine

Near/radar/ray/collision sensors refuse to work


Can you still fizzle in response to a spell that can't be countered?

What can I do about uncounterable spells?


Is it wise to install WAMP on Windows VPS in order to make use of already written PHP application?


What component of the stress–energy tensor contains the kinetic energy of heat?

Intuitive understanding of the elements in the stress-energy tensor


Use PyQGIS to make grid on a vector file


A question about an $n$-dimensional subspace of $\mathbb{F}^{S}$.


Erase partition and install Ubuntu on entire disk


Factors of the form $4n+2$ $(n\geq 1)$ of a number N


how read HTTP GET variables in javascripts?

How do I get query string value from script path?


How to make Python 2's __getitem__ work on a class?


Why do so many formula use Euler's number "e"?

Intuitive Understanding of the constant "$e$"


Invertible elements of $\frac{\mathbb{C}[x]}{\langle h(x) \rangle}$

When polynomials f(x) and f'(x) are relatively prime, f(x) has no repeated roots. Why?


Can I receive the newsletter under a different email address?


Dimension of the vector space $\mathbb{Q}(\sqrt{3}, \sqrt{5}, \sqrt{11})$ over $\mathbb{Q}$

Proving that $\left(\mathbb Q[\sqrt p_1,\dots,\sqrt p_n]:\mathbb Q\right)=2^n$ for distinct primes $p_i$.


How to deal with asynchronous functions without promises?

How do I return the response from an asynchronous call?


Is there somewhere where I can ask general programming or best practice questions?

On which Stack Exchange site should I post subjective questions?


American English: collective noun + verb when collective noun is plural?

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


How do I get the table names in a database into a combobox?

How do I get list of all tables in a database using TSQL?


$f:A \backslash U\to B \backslash f(U)$ is also homeomorphic?

$g$ a restriction of a homeomorphic function $f$, $g$ also homeomorphic?


How to override abstract methods and use variables without making them public

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


Does the definition of factorial fail for $0!$


how to delete all commit history in github?

Make the current commit the only (initial) commit in a Git repository?


Should the first word after a colon be capitalized?


How to round a number to n decimal places in Java


What do we call the front part of a decimal number?

What are the numbers before and after the decimal point referred to in mathematics?


proving infinite set from a finite and infinite set

If A is a finite set and B is an infinite set, then B\A is an infinite set


What is recommended way for spawning threads from a servlet in Tomcat


Proving $ \sup (E_1 \cup E_2) = \max \{ \sup E_1, \sup E_2 \}$

Let $A,B \subset \mathbb{R}$. Show that $\sup(A \cup B) = \max\{\sup A, \sup B\}$


How can a sine function be transformed to have flat peaks?

What is the approximation equation for making the day/night wave


How to overcome situations like mostly coded less content website?

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


How to add a event handler to a ToolStripButton in C# code?

How do I programmatically wire up ToolStripButton events in C#?


LM or GLM, and how to find which factor has the most "weight"

Is there any difference between lm and glm for the gaussian family of glm?


Is it possible to have your flair displayed on all Stack Exchange websites?

How to add the picture of my network profile in my profile


Is the total energy of the universe zero?


Making map in Robinson or Winkel Tripel projection in QGIS


Upgrade to 18.04 from 16.04 still not available?

Still can't upgrade? Is there a new delay?


Is the cartesian product of two polytopes again a polytope?

What is the Cartesian product of $n$ polygons?


Apparent compilation error with template arguments

Why can templates only be implemented in the header file?


the countdown timer inside while loop not working


Why couldn't I install Skype before running `sudo apt update`?

Why does the separation of update and upgrade even exist?


Can the field of complex numbers be regarded as a vector space?

Difference between $\mathbb C$ and $\mathbb R^2$


Injective function from reals to irrationals?

Showing that $\mathbb{R}$ and $\mathbb{R}\backslash\mathbb{Q}$ are equinumerous using Cantor-Bernstein


Is current able to flow through a Capacitor at DC?


Why is my data still being added to the list?


How do I invert BooleanToVisibilityConverter?


Javascript randomize array without having element in starting position

Shuffles Random Numbers with no repetition in Javascript/PHP


Ubuntu Cmake: Parse error in command line argument


Switching from ereg_replace to preg_replace

How can I convert ereg expressions to preg in PHP?


Methode specialization with two arguments in

C++ single template specialisation with multiple template parameters


structures are public while classes can be public and private

What are the differences between struct and class in C++?


Should the moon eventually collide with the Earth if no force besides the earth's gravitation enacted upon it?

Why doesn't the Moon fall onto the Earth?


Can I use identical names for fields and constructor parameters?


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


Proving an equality using Euler Totient function

Proof of a formula involving Euler's totient function: $\varphi (mn) = \varphi (m) \varphi (n) \cdot \frac{d}{\varphi (d)}$


Dynamic expression (or plotting) in Manipulate

What is the difference between Dynamic[x] and Dynamic[ h[x] ] for DynamicModule variables?


How can we factorize $x^4 - 2x^2 + 49$ with coefficients in $\mathbb{R}$?

How to factorize $x^4+2x^2+4$ to a product of polynomials with real coefficients?


How can I get my Windows 8 license key once I've installed Windows 10 preview?

Will a clean install of Windows 8 recognize an OEM license/product key?


putting the decoupling capacitor merely/only near the vcc line


relative directory paths within a mathematica package/what directory does a mathematica package see as local?

Package relative file path specification


Can you make Games with Pygame that are transparent?


Show error in new HTML element without page refresh


C's strtok() and read only string literals


UnobservedTaskException being throw but it is handled by a TaskScheduler.UnobservedTaskException handler and a continuations OnlyOnFaulted handler

How to handle all unhandled exceptions when using Task Parallel Library?


how can I change how a table looks with knitr


How to re-install ubuntu that is pre-installed by manufacturer

How do I pre-install Ubuntu for someone (OEM install)?


Is it possible to find all DNS subdomains for a given domain name?


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


Can average acceleration be exactly determined from discrete points separated by equal time intervals?

How to approximate acceleration from a trajectory's coordinates?


Can we ignore visitors without JavaScript enabled?


How do you pass a member function pointer?


Why does my one to many relationship seem to require that I traverse the collections during session?

Accessing an object's fields without an active session


the need for the formal definition of a limit

Understanding of the formal and intuitive definition of a limit


How can current flow in an ideal wire if all of its points are at the same potential?

How electric currents can flow between 2 points at the same potential?


how do I write an ISO file to disk under Ubuntu 16.04?


GnuCash/Finance::Quote not working for Vanguard funds

How to fix Finance::Quote to pull quotes in GnuCash


Why do electrons revolve around the nucleus?

Why don't electrons crash into the nuclei they "orbit"?


How to subtract const from the file in awk?

how to subtract a constant value from a data file?


How can water evaporate at room temperature?

How does water evaporate if it doesn't boil?


How do I create a datetime in Python from milliseconds?


Are there any possibilities to recover data from dead hard disc

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


Solving $\sin(\theta) + \cos(\theta) = -1$ using the T-Formula


Can I apply for a masters' if I already have one? (USA/Canada)

Can a masters student apply for a second masters in the same field at another university?


Using Daily/Alpha/Beta Builds Through Release

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


how surjection between two sets imply bijection?

Is there a Cantor-Schroder-Bernstein statement about surjective maps?


The method getJspApplicationContext(ServletContext) is undefined for the type JspFactory


Prove $S \doteq \sum_{n=1}^{\infty} p_n  0$ assuming $0 \leq p_n < 1$.

Borel-Cantelli-related exercise: Show that $\sum_{n=1}^{\infty} p_n < 1 \implies \prod_{n=1}^{\infty} (1-p_n) \geq 1- S$.


Are there methods to make an Iron Door open through right clicking while holding a specific item?

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


Skype update error when running apt update


How to extract data from database access from a form and display on another form as receipt when button print is clicked in vb.net

How do I create a parameterized SQL query? Why Should I?


Can I rename files within a folder with the name of the parent folder?

Rename a file to parent directory's name in terminal


Ensure that a (potentially long) root script execute to completion before power-down

Execute a script upon logout/reboot/shutdown in Ubuntu


GRUB menu doesn't show up after upgrading to Ubuntu 19.04

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


Best way to display a PDF within an android app


Event binding on dynamically created elements?


(Q,+) and (C*,+) has no finite index subgroup

Subgroup of $\mathbb{Q}$ with finite index


Is there a way to fill the area between two circles?


Is there an analytical solution for the Kullback-Leibler-Divergence with two univariate Lognormal distributions?

Quantify Difference/Distance between Lognormal distributions


Why does the SSR have 1 degree of freedom in simple linear regression?

Why does the degree of freedom of SSR equals 1 in simple linear regression


VSCode installed with Anaconda on Ubuntu 18.04 LTS does not open, permission denied error


Is there an antonym for “capitalize” (as in letter-case)?


In tikzmath the "random" puts ".0.0" if want negative random number


Python: date.time strptime format for YYYY-MM-DDTHH:MM:SS?

How do I parse an ISO 8601-formatted date?


Smarty: special characters get changed unwanted- utf8


Deleting photos on the phone - does it affect them on iCloud?


a question about cdf player embedable demonstration


Displaying rows in first column (index 0) - depending on a particular condition

Only displaying rows in first column (index 0) where cells match a particular date


What is the order of excecution of printf(..) parameters?

Parameter evaluation order before a function calling in C


Is it possible to do operator overloading with List without inheriting from it?

Operator Overloading with C# Extension Methods


how to pass an array from angular js to REST service using $resource

AngularJS: ngResource and array of object as params to URL


Rails table indexes are not foreign keys in database as expected - why?

Defining foreign key relationships for Rails' models


Chinese characters showing incorrectly in html page


What are the chances of a paper being accepted after

What does the typical workflow of a journal look like?


Why are time dilation and length contraction needed to fix time?


cannot find symbol : class java.awt.graphics

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


Why does Ubuntu still require restart after kernel updates when tools out there mean it's unnecessary?

Why not include something like Ksplice so there is no need to reboot after updating?


How to convert html elements and properties to something else with jquery

how to change an element type using jquery


Convert ArrayList to ArrayList with for loop

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


In Ubuntu which tool we use for disk-defragment?


Udev - Network cable hotplug event not catched

Debian workaround 838871: dhcp network configuration without blocking boot process


How was the half-life of Uranium 235 determined and by whom?

How do we know that some radioactive materials have a half life of millions or even billions of years?


Lens upgrade paths (sub $1000) for the EF-S 18-55mm IS kit lens for Canon APS-C cameras


Can I also read the og:properties from other websites?

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


How do I reset a lost administrative password?


Prove statement with a counter-example: For all sets S, T and V, V ∪ (S ∩ T) = (V ∪ S) ∩ T is false


Travelling to Germany with Permeso di Soggiorno (Residence Permit) receipt

Can I travel within the Schengen area while my Italian residency card is being renewed?


Show the convergent of sequences and limit?

Compute $ \lim\limits_{n \to \infty }\sin \sin \dots\sin n$


What is the origin of the electric charge?


Error: System.IndexOutOfRangeException: Index was outside the bounds of the array

What is an IndexOutOfRangeException / ArgumentOutOfRangeException and how do I fix it?


Integer squares of the form $x^4+x^3+x^2+x+1$

Determining all the positive integers $n$ such that $n^4+n^3+n^2+n+1$ is a perfect square.


Is differentiating on both sides of an equation allowed?

When is differentiating an equation valid?


Iterable as a return type - Iterable itself or a subclass?

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


How do I check the integrity of a storage medium (hard disk or flash drive)?


Should an acronym that is ending a sentence have a period?


Locating Class Property by Name from an String

Get property value from string using reflection


Question on completing proof separability in metric space implies countability

Every separable metric space has a countable base


Problem regarding proving a real valued function to be continuous.

Prove that $M(t)=\sup_ {a \leq x \leq t} f(x)$ given $f(x)$ is continuous on $[a,b]$


Equivalent to jodatime Interval in Java 8 Date and Time API

Is there a class in java.time comparable to the Joda-Time Interval?


What uses are there for "placement new"?


Interacting with JavaScript-generated HTML

Event binding on dynamically created elements?


Can summons and eidolons be magically healed?


How to "pull" an existing pdf into the app?


Add navigation buttons to browse through answers


what does $\cdot^\rho$ mean in the Harish-Chandra function?


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


does file download using PHP, causes server/CPU overload?

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


Cancel sending a message to group in WhatsApp

Will WhatsApp deliver a message that was accidentally sent while data was off?


Wordpress site impression and clicks is dropping daily

How to diagnose a search engine ranking drop?


Let $l_1$ and $l_2$ be the lengths of perpendicular chords of $y^2=4ax$ drawn through the vertex and ...


C++ : multiple namespaces inside a function


Leading zeroes causing issue in Java code

Why are integer literals with leading zeroes interpreted strangely?


Squared norm of matrix equal to squared norm of its transpose


If $x=1+\frac{1}{\sqrt{2}}+\frac{1}{\sqrt{3}}+...+\frac{1}{\sqrt{1000000}}$, what is the value of $\lfloor{x}\rfloor$?

How to calculate the integer part of the value of the following equation?


How can I find page views for root of web site?

How can I find page views for root of web site in Google Analytics?


Have keystore password, lost key to sign Android app


Split string between curly braces in cpp

Regex to get string between curly braces


Pop up blocker API- how to check if user has it enabled

How can I detect if a browser is blocking a popup?


Give a combinatorial proof: $ n(n+1)2^{n-2} = \sum_{k=1}^{n}k^2\binom{n}{k} $


babel problems: "Unknown option `danish'"

Package babel Error: Unknown option `francais'


The preimage of convergent bounded linear functional images

Does weak convergence imply $L^2$-norm convergence?


What happened to jabber / hangouts options in messages?

How do I use Messages with Google Hangouts on MacOS Mojave?


error: file '/grub/i386-pc/normal.mod' not found


Would I make more if paid weekly instead of monthly?

Difference between Fortnightly and Monthly pay


If $dx$ is just syntax and not an infinitesimal then why do we apply operations to it?


Read a value from a cell without opening the Workbook

ExecuteExcel4Macro to get value from closed workbook


Topology Book Recommendation other than Munkres

Where does a Topology student go after Munkres?


execute sql in command line through sqlplus in java

How to connect to Oracle as "SYS" from SQL*Plus in Java


How to copy and paste in nano editor with mouse enabled?

How to disable mouse support in terminal?


Notification saying "A new Virus is Stealing Data!" on Ubuntu 18


How do I know what packages I need to install?


Is it possible to de-upgrade from Ubuntu 16.10 (Yakketi Yak) to 16.04 (Xenial Xerus) ?

How to roll back Ubuntu to a previous version?


How to access private class variable from non-member function


Looping over charts and names simultaneously

Increments in \foreach loop with two variables, TikZ


How to remove old kernel versions automatically?

How do I remove old kernel versions to clean up the boot menu?


Unable to merge free unallocated space with ubuntu partition


java.lang.NullPointerException: Attempt to invoke virtual method 'android.view.View android.widget.TableRow.getChildAt(int)

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


How to bind data-src attribute for the image in the post using jquery?

Change html structure of all img tags in Wordpress


Upgrading Ubuntu 10.04 LTS Lucid Lynx to 12.04

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


Does using an extender actually change the aperture of the lens?


Excute external program directly without temp file

Can I get the output of a command line program with TeX (using e.g. \read18)?


using string variable to call a function in python

Calling a function of a module by using its name (a string)


How to properly set up partial fractions for repeated denominator factors

Derivation of the general forms of partial fractions


Install Windows on a usb flash drive from Ubuntu

How to burn a Windows .iso to a USB device?


Does black hole formation contradict the Pauli exclusion principle?


SSH connection refused, probably server firewall, how to solve?

What causes the 'Connection Refused' message?


Whole screen going black after rendering

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


What are the 2 blue wizards' name in the hobbit?

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


SSH: User name of the remote machine's user?

How do you escape characters in heredoc?


Is the 64-Bit version of Ubuntu only compatible with AMD CPUs?


Let $z$ be a complex number, and let $n$ be a positive integer such that $z^n = (z + 1)^n = 1$. Prove that $n$ is divisible by 6.

$z^n=(z+1)^n=1$, show that $n$ is divisible by $6$.


should you always keep optional parameters in constructors at the end


Find the value of $\sum_{n=0}^{\infty} \left(e-\sum_{k=0}^{n} \frac{1}{k!}\right).$


where to find corrosive weapons in borderlands 2 easy?


Using a comparison test, test series for convergence / divergence


Two first columns of text file as a dictionary


Child view controller being partially shown under parent view controller's navigation bar

View got hidden below UINavigationBar iOS 7


Can i set up an Ubuntu virtual machine on Windows (Oracle VirtualBox)?


In Star Wars lore, who made the first light saber and how was it developed?

When did lightsabers first appear in the Star Wars timeline?


How to prove $\gcd(a-bc, b) =\gcd(a,b)$ for $a,b,c \in \mathbb{Z}$?

Prove that $\gcd(a, b) = \gcd(a, b + ma)$?


Minimizing $a^2+b^2+c^2+d^2$ for positive reals satisfying $(a+b) (c+d)=143$, $(a+c)(b+d)=150$, $(a+d) (b+c)=169$

Smallest value of $a^2 + b^2 + c^2+ d^2$, given values for $(a+b)(c+d)$, $(a+c)(b+d)$, and $(a+d)(b+c)$


Why is object's state change allowed after acquiting lock on object


No sound after using HDMI in a TV on Ubuntu 18.04.4 LTS

Ubuntu 18.04.1 LTS, Dummy output, no sound


How do I make my ArrayList add 52 unique objects instead of all the same?

Why does my ArrayList contain N copies of the last item added to the list?


JavaScript click handler not working as expected inside a for loop


What is dimension over $\mathbb R$ of the space of $n\times n$ Hermitian matrices?

What is a basis for the space of $n\times n$ Hermitian matrices?


How can I improve My reputation on Stack overflow?

Six simple tips to get Stack Overflow reputation fast


Do web users understand the 'sandwich icon' for side bar when used on a desktop site?

Has user testing found that the "three horizontal bars" for main menu on mobile is commonly understood?


First time using bevel tool, doesn't bevel evenly. What am i doing wrong?


How do i fix this Java related minecraft problem?

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


Punctuating a sentential quote within a question

How should a question which quotes a question be punctuated?


Why does "ls | wc -l" show the correct number of files in current directory?

Output from ls has newlines but displays on a single line. Why?


Continuous linear operator with noncontinuous inverse


In Visual Studio, what does the "Clean" command do?


What obstacles does de Broglie's pilot theory have to overcome?

What is wrong with the De Broglie–Bohm theory a.k.a "Causal Interpretation" of quantum theory?


why is this container div taller than required to wrap the image it contains?

Image inside div has extra space below the image


How to import a data with unknown coordinate system to a data with known coordinate system

Identifying Coordinate System of Shapefile when Unknown?


What is the distance allowed for the goalkeeper to be off the line during penalty kick?

How detailed is penalty kick encroachment in football


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


Maximum Possible Deceleration when braking


Some sites' review pages are now poorly wrapped, resulting in wasted space and a scrollbar


How are Python's Built In Dictionaries Implemented?


Accuracy issues with capacitive touch screen


Add line break after every 60 characters in String for Java

Putting char into a java string for each N characters


Applying to Graduate School with misdemeanor charge?

How does a petty marijuana possession charge affect graduate admissions in math?


One-time pad encryption of ASCII characters

How to attack a "many-time pad" based on what happens when an ASCII space is XORed with a letter?


How do virtual particles cause an attraction?

Photons acting as carriers of both attractive and repulsive forces


what does a semicolon before a function mean?

What does the leading semicolon in JavaScript libraries do?


Why does the String GetHashCode only process every fourth character?

How is GetHashCode() of C# string implemented?


Event binding on dynamically created elements?


How to retrieve deleted hard drive files (NTFS) during Lubuntu installation?

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


Training binary classifiers with huge dataset with mostly negative examples

Class imbalance in Supervised Machine Learning


How to Improve Mathematical Thinking and General Problem Solving Skills?


regex to check valid url either http or www

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


How to restrict a single php file from getting directly?

Prevent direct access to a php include file


What is the difference between "could've" and "could of"?


Concerning the sequence $ x_1=1 ,\space x_{n+1}=x_n+\dfrac{1}{x_n} $

Closed form for the sequence defined by $a_0=1$ and $a_{n+1} = a_n + a_n^{-1}$


I get 'package is of bad quality' error while installing CrossPlatformUI for MBlaze


Using batch to run multiple java programs


Oracle 11g - How to speed up parallel insert with join on three tables

Oracle 11g - How to optimize slow parallel insert select?


$f:X\to Y$ continuous and open, prove: if $D\subseteq Y$ is dense $\implies f^{-1}[D]$ is dense

The inverse image of dense set is dense and of a comeager set is comeager?.


Is it possible to get into neuroscience PhD program without any research experience?

Graduate school admission with a degree in a different field


For $x$ and $\lambda$ complex, if $|x| \gt \frac{1}{2} + \sqrt{\frac{5}{4} + |\lambda|}$ then $|x^2+\lambda| \gt |x| +1$


How to find public ip for a freebsd system

How can I get my external IP address in a shell script?


How to remove Ubuntu and recover Windows after removing Windows in the first place?

How to remove Ubuntu and put Windows back on?


Evaluate the sum $S=\sum_{k=0}^{n} \frac{(-1)^k}{k+1} {n \choose k}$

How to prove $\sum\limits_{r=0}^n \frac{(-1)^r}{r+1}\binom{n}{r} = \frac1{n+1}$?


Using setminus notation with set elements


Why does Field Calculator say failure during processing, check geoprocessing results window for details?

Simple field calculator equation in ArcGIS 10 not working


the secret of the Tesla letter in The Prestige

Is Borden's true identity real, or another ruse?


$\lim_{n \rightarrow \infty} \sum^n_{k=1} \frac{1}{k+n}$

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


How to install windows 7 RC from a USB disk?


Which test to use in a single group pre- and post-treatment analysis

Best practice when analysing pre-post treatment-control designs


Upgrade an unsupported release of Ubuntu(Ubuntu 10.04)!

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


Book recommendation : Olympiad Combinatorics book


Showing an UIAlertView causes EXC_BAD_ACCESS

UIAlertView fails to show and results in “EXC_BAD_ACCESS” error


Why is all my extra RAM marked as "hardware reserved" in Windows 7?


Wifi missing on Ubuntu 16.04.3 - dual boot with Windows 10


Prove by induction that the $n$th iterate of $\frac{x}{\sqrt{1+x^2}}$ is $\frac{x}{\sqrt{1+nx^2}}$

What is the $n$ times iterate of $f(x)=\frac{x}{\sqrt{1+x^2}}$?


How we are creating a function(compare) inside a object of PriorityQueue class.Please explain this syntax in Java

How are Anonymous inner classes used in Java?


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


How can I optimize a mysqldump of a large database?


Number of pages in Google web index falling?

Why is the number of pages on my website indexed by Googlebot decreasing?


SQL - Convert String of numbers to list of integers

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


java - how to remove generic cast warning?

What is SuppressWarnings ("unchecked") in Java?


Replacements for switch statement in Python?


Does tag edit count for Excavator badge?


Gain of an active filter without calculating the transfer function with two OP-AMP's

Gain of an active filter without calculating the transfer function with two OP-AMPs


What's the difference between Good and Light in Star Wars?


Temperature Conversion Method Outputting Java


No notification for comment, when some characters like '-' are appended to @username by a commentator.

Name finding problem with comment notification feature


How is it possible that unrolling scotch tape in a vacuum causes X-rays?


How can I get the product key of my PC using command prompt if my PC is corrupted?


why python shell is not displaying Ethiopic characters?

How to use unicode characters in Windows command line?


How to tell if a recursively defined sequence diverges.

Does the recursive sequence $a_1 = 1, a_n = a_{n-1}+\frac{1}{a_{n-1}}$ converge?


Zeros of partial sums of the exponential

Complex zeros of the polynomials $\sum_{k=0}^{n} z^k/k!$, inside balls


"Where have I parked my car" or "where did I park my car"

Present perfect for past action with present effect


TeX Live packages administration, tlmgr don't work on Open Suse


How to fetch all select box value in one array list


How many full-time instructor positions to apply for as a Masters-holder?

How many faculty positions should one apply to?


How I can calculate product of series matrices


The conditional statement if is not working properly


How to stop spammers from creating accounts on my website?

How can I prevent spam on sites which I control?


Living in Canada for a year: entering the US for a couple of short trips

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


Factoring Polynomials (x^4) - using completing squares

By viewing the polynomials as a difference of two squares, factorise the following polynomials.


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


Is there a way to list all non-free software and firmware that is used/installed on my computer?

How to make sure I'm not using any proprietary software after installation?


Next line(line break) for Javascript variable?

HTML5 canvas ctx.fillText won't do line breaks?


Visa for connecting flights at Kuala Lumpur, different airlines?

Do Indians need a transit visa in Kuala Lumpur, and if yes how?


How can I preview the Drupal page as specific users?


How to connect Arduino Lilypad USB to MicroSD breakout board?

Connect a microSD reader to a LilyPad USB, where are the digital ports?


New name of a paper doesn't show up in Google

Do all versions of an arXiv paper appear in Google Scholar?


Find all holomorphic functions that satisfy a condition

Holomorphic function $f:B(0,1) \to B(1,4)$ with $f(0)=3$ and $f(\frac{1}{2})=1$


Prove limit of $\sum_{n=1}^\infty n/(2^n)$

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


Is it safe to install Ubuntu 16.04 beside WIndows 10 with UEFI?


How can I disable the drumroll sound played on the login screen?

How do I disable the drum beat sound on the login screen?


Want Interactive PlotRange of Graphics[{}]


Prove $ \sin(A+B)\sin(A-B)=\sin^2A-\sin^2B $


Find class or methods without unit tests


Sophomore's dream: $\int_0^{1} x^{-x} \; dx = \sum_{n=1}^\infty n^{-n}$


Complex Analytic functions that are lines are constant

Holomorphic function mapping a set onto a straight line


How do I install Ubuntu and Windows on separate hard drives?


How to find the encoding of a python3 bytes object


What is the logical form of the definition of validity?


How can I convert a list to an expression?

Most Efficient Way to Calculate the Product of All Items in a List?


How do I select the number of components for independent components analysis?


Generating Random Numbers for Rows without Them

How do I generate random number for each row in a TSQL Select?


How can I change my name on a Stack Exchange site?


i want to wire two lights with the power coming in the first light go to the second light and then to a switch


What is the word for words that oppose all the things they describe?

What is the name of a word that doesn't mean what it says?


Linker Error when compiling with static library

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


How to check if the cursor is over an element?

pure javascript to check if something has hover (without setting on mouseover/out)


Should href be set with prop() or attr()?

How to change the href for a hyperlink using jQuery


VolleyPlus : NetworkDispatcher.run: Unhandled exception java.lang.NullPointerException

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


Passing Domain Name as Parameter With ASP.Net MVC Routing

ASP.NET MVC Route with values before the controller and no trailing slash


Process a latex command if the current date is between two specified absolute dates

Is there a way to condition output on a given date?


Are US universities generally reluctant to admit PhD students who already hold a PhD?

Why is it disadvantageous in graduate admissions to have a higher degree?


Is the 'w' in 'cow' a vowel or a consonant?


Uniform distribution on $\{1,\dots,7\}$ from rolling a die

Simulate repeated rolls of a 7-sided die with a 6-sided die


"We maybe have a problem" or "Maybe we have a problem"? Do we put "maybe" before a verb?

Where should the word “probably” be placed


Evaluate following limit: $\lim_{x \to 0}\frac{\sin x}{x}$

How to prove that $\lim\limits_{x\to0}\frac{\sin x}x=1$?


How to texture a downloaded model made of stretched triangles?


Change spacing when using ctrl to move specific amount of units

How to change the snapping increment in different units?


Data Migration : What way is the best way to Migrate?

SQL Server: What is the best way to Data Migration?


what is the difference between &a,&a[0],a in c

Are a, &a, *a, a[0], &a[0] and &a[0][0] identical pointers?


How would you calculate the force of a hammer hitting an anvil?

Good way to compute the force of a hammer blow?


Does Minecraft require a constant Internet connection?

Can Minecraft be played without being connected to the Internet?


How do I mark a file as executable on 13.04?

How do I mark a file as executable via a GUI?


How can helium be liquid at absolute zero, given the Third Law of Thermodynamics?

Is entropy of all systems zero at absolute zero?


How to specify the exact position of floats?

Keeping tables/figures close to where they are mentioned


Oracle : converting Hyphen separated numeric values to comma separated range

Search if number is contained within an expression like: 1-3,5,10-15,20


In regression, Why correlated error terms makes overconfidence?

Why autocorrelation affects OLS coefficient standard errors?


how can i calculate big O for this loop?

Big O, how do you calculate/approximate it?


Saving Chemfig submolecules in a separate file, to be recovered into beamer


why pandas dataframe -0.999990 to list become -0.9999899999999999,who can help me?


Kernel 5.8.0 without modules r8169 and rtl8712 (no networking, but with 5.4 everything fine)

How to activate an installed network driver


No indent in the first paragraph in a section?


Why handset manufacturers releases new versions of android several months after Google?

Is there a technical reason Android update story is so bad?


How can I import photos not in the camera roll from iPad to mac?

Can I transfer photos that are not in my iPhone's camera roll to my computer?


Why electron can not be found at some node locations in the infinite potential well?

Is there actually a 0 probability of finding an electron in an orbital node?


After enabling hibernate grub menu appears on start-up with 30s timeout


Change the Starting Point on Bezier Curve?

Can I set the start point of a bezier curve?


Why do I get java.lang.AbstractMethodError when trying to load a blob in the db?


Why is $balance not equal to 0.01 in if statement when the $balance is 0.01 above?


Limit of $\dfrac{t}{\ln(1+t)}$ without L'Hospital

Determine the following limit as x approaches 0: $\frac{\ln(1+x)}x$


The precise meaning of "may/might and/or may/might not"?

"May" & "Might": What's the right context?


Computing dominant area in polygon using ArcGIS Desktop?


Have notification bars gone wonky after recent failover tests?

Reputation and inbox notification shows up again after refresh


The product of two positive definite matrices has real and positive eigenvalues?

Is the product of symmetric positive semidefinite matrices positive definite?


The difference between "have a lunch" and "have lunch"


Remove any number and the remaining numbers can be partitioned into two subsets of equal sum; prove all numbers are equal.

After removing any part the rest can be split evenly. Consequences?


Is there a difference between a spigot and a faucet (usage in AmE)


A word(?) on giving something a different name on media to make it more acceptable?

Word for obscuring bad or immoral acts with verbiage


Why am I having an undefined reference error using class Templates?

Why can templates only be implemented in the header file?


How can I merge two APFS partitions on the same drive?

How can I merge primary APFS partition with other empty APFS partition?


Seeking shapefile of 2km DINTY Tetrad squares for UK?

Ordnance Survey grids - download or generate?


How do I pause a HTML5 video with JavaScript?


How do I get linked Google spreadsheets to auto-update when 'I am not looking'

How can I get Google Sheets to auto-update a reference to another sheet?


Merge two arrays as key value pairs in PHP


Where should I put the file `inconsolata.sty'

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


Why does my command: "rm -rf *" not delete all the files in a directory?

How to remove all files in a directory except hidden ones?


Difference between each instance of servlet and each thread of servlet in servlets?

How do servlets work? Instantiation, sessions, shared variables and multithreading


How to auto daily execute queries SQL Server?

How can I schedule a job to run a SQL query daily?


synchronizing io operation in java on a string method argument?


Velocity from the cumulative distribution function of the Boltzmann distribution

Velocity Maxwell-Boltzmann distribution for dummies


YUI Pure Grids Mangle Google Maps Controls

Google Map Infowindow not showing properly


Why Collection class methods contains() and remove() don't use generic types in parameters?

Why aren't Java Collections remove methods generic?


Which is preferred System.out.print() or System.out.printf()?

Is there a good reason to use "printf" instead of "print" in java?


Deleting self-answered question gets "Delete this answered question" warning


"Come over" and etymology of other idioms


What happens to my cards exiled by an opponent's Oblivion Ring when they lose the game?

In MTG, what happens when a player loses in multiplayer?


E: Repository 'http://security.ubuntu.com/ubuntu bionic-security InRelease' changed its 'Suite' value from 'bionic-updates' to 'bionic-security'


Java string code snippets. Explanations for output please?


Control Cycles/Eevee material nodes and material properties using python?


Partition of vertex set of a graph containing less than a third of all edges each

Graph partition that span a third of edges


Finding minimal polynomial of big blocks diagonal matrix

Minpoly and Charpoly of block diagonal matrix


Determinant of a matrix will all off-diagonal elements equal


Has or have usage with this particular sentence

Should a verb after "any" be singular or plural?


What really is the meaning of condescending?


Characterizing units in polynomial rings


OS Choice for and old PC, AMD Anthalon XP 2000+ 32bit with only 256MB of RAM

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


How prove this integral inequality$ \int_{0}^{+\infty}\frac{1}{x^x}{\rm d}x<2 $

Inequality of numerical integration $\int _0^\infty x^{-x}\,dx$.


Programmatically adding shapefile to data frame in ArcMap?

Adding shapefile or feature class as layer in ArcMap using ArcPy


query with top and order by - convert from MsSql to Oracle

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


If Z|Y ~ Bin(p, y) and Y ~ Poisson(L) then Z ~ Poisson(p*L)?

Distribution of successes of poisson process followed by a binomial distribution


Random unwanted space between paragraphs


Placing a different image in each page corner


Is it possible to overwrite an object after being passed?

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


How to convert a Ruby object to JSON from a File?


'Approaches introduced' or 'Introduced approaches'

Past participle after noun: "proposed cost" vs. "cost proposed"


Should I create a corporation, even if I won't make money or receive funding until later?

If I plan to get investments later, should I start a C Corp now? Or LLC then convert to C later?


Optimize pairings of two types of points with respect to the maximum distance inside any pair


Re declaring class variables as instance variables in python

What is the difference between class and instance attributes?


How do I mentor a GM to-be without overwhelming him?


What is the variance of the weighted mixture of two gaussians?


How do you programmatically set an attribute?


Implement a case in Python to execute specific commands

Replacements for switch statement in Python?


Status from decision in process to with editor meaning in Elsevier review system

What does the typical workflow of a journal look like?


How I can insert a column-file in a hash with a key as an array?

Hash key as array to obtain the minimum and maximum numbers if a columns values are equal


Is there a way to ask the ordinal number value in English without sounding weird?

How should I phrase a question that must be answered with an ordinal number (e.g., the third prime)?


JavaScript object inside class is 'undefined'

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


mysql-server-5.7 package post-installation script subprocess returned error exit status 127


Is my proof that $\frac{\pi}{4}=\sum\limits_{n\geq 0}(-1)^n \frac{1}{2n+1}$ correct?


Can I have more than one superuser account in unix?

New user with root access in Linux Debian


Mail_Queue PHP Crond - mail sends but PHP process hangs


How can I simulate JPEG quality degradation?

What factors cause or prevent "generational loss" when JPEGs are recompressed multiple times?


NSDateFormatter gives me back Greenwich time


Why do fonts set to the same (pixel) number of size differ drastically in actual size when displayed on screen?

What does the size of the font translate to exactly?


C# serial port does not show output in textbox

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


If for every sequence $(x_n)$, $x_n \to x_0 \implies (f(x_n))$ is a Cauchy sequence, then is $f$ continuous?

for every convergent sequence $x_n$, $f(x_n)$ also converges. Does this imply continuity of f?


Is it necessary to have an unlocked bootloader to root a device?

Is there a way to root an Android phone without unlocking the bootloader?


Texture doesn't show up after UV wrapping

Material won't apply to mesh with UV map


How does orienting a cube-shaped spell work in three-dimensional space?

How does the size of a cube area of effect work?


How to get client public ip address in servlet java


Incorrect Typesetting while referencing to a table

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


If statement with String comparison fails


Using Rationalize to find the exact rational form

How to get exact Rationalize of a decimal number?


Why I will feel colder when I get out from a swimming pool?

Why does blowing on someone who is wet feel colder than on someone who is dry?


Issue with date when migrating databases between SQL Server 2008 and 2012

conversion of a varchar data type to a datetime data type resulted in an out-of-range value


explain this output about Object reference casting?

Casting a class to an unrelated interface


How do you destroy a block using Commands?

Is there a way to break (like with a pick) a block with a command?


How to use Java Library after compiling?

Why am I getting a NoClassDefFoundError in Java?


Natural and man-made nuclear transitions


When did formal "you" and "we" for showing respect in English wither away?

Did English ever have a formal version of "you"?


space between beamercolorbox in headline

Where are the necessary places to be appended with % to remove unwanted spaces?


Suggest a method for auto-updating my C# program


How to pass variables in and out of functions in Python

Best way to return multiple values from a function?


What is the kinetic energy of a number of discrete particles and question related to Thermodynamics


How can a horse move a cart if they exert equal and opposite forces on each other according to Newton's third law?

Given Newton's third law, why are things capable of moving?


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


What force provide tangential velocity change in whirling block problem?

How can tangential acceleration from a radial force be explained?


Bash: Why does this Brace Expression work this way?


What is the meaning of the strange `JavaScript: ` label in the inline event handler?

Do you ever need to specify 'javascript:' in an onclick?


Why is this non-linear transformation not a Lorentz transformations? It does preserve $x^2 + y^2 + z^2 - c^2t^2 = x'^2 + y'^2 + z'^2 - c^2t'^2 $

Interval preserving transformations are linear in special relativity


Why is lighting broken while using shade smooth?


Migrate contacts from iOS WITHOUT using Gmail

How do I transfer iPhone contacts to an Android phone?


Prove that $\lim \limits_{n \to \infty} \frac{x^n}{n!} = 0$, $x \in \Bbb R$.


Is there a free beginner house in skyrim?


I'm getting a java.lang.NullPointerException, Someone show me the way to resolve it

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


.vimrc mapping for control key not working


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


Calculating acceleration offset by Center of Gravity (C.G.)


How to search for a word in column header that fully matches the word not partially?


Can/Should a comma be used after "Sometimes"?

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


Modified pattern does not see the pattern color option


How to read properties file in web application?

Where to place and how to read configuration resource files in servlet based application?


PHP classes: Adding additional parameters to extended class


How to fix "Could not open lock file" because "Permission denied"?

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


Given a set and an element, can we say that the element is subset of the given set?

Set theory: difference between belong/contained and includes/subset?


How can I make an element fill to the bottom of it's parent?

Make a div fill the height of the remaining screen space


Can you get Mehrunes' Razor if Silus dies before starting the quest?

Is it possible to complete "Pieces of the Past" after killing everyone in Dawnstar?


How to extract a floating number from a string


Do I need a "chip" card in the Czech Republic?

Can US cards be used in countries with chip-and-pin systems?


What is the purpose of a combustion chamber in a jet engine?


How to print both matching lines from two different files?

Identify duplicate lines in a file without deleting them?


Select data from another table during insert

insert data from one table to another in mysql


Human who becomes immortal and builds planets

Protagonist becomes the avatar of an alien deity and has to cope with adversary god


List of lists changes reflected across sublists unexpectedly


Passive Voice with ''to be to be and past participle''


Alert When Windows Task Scheduler Fails to Run

Make Windows Task Scheduler alert me on fail


Read excel data into pandas dataframe to 20 decimal places


SQL Server - copy stored procedures from one db to another


Replace string in a file with another where both are saved in variables

Replace a string in a text file using a shell script not working properly


Avidemux is no longer available in Ubuntu 18.04, what is an alternative?


what is the difference between git pull , git fetch and git rebase?

What is the difference between 'git pull' and 'git fetch'?


XNA: Object reference not set to an instance of an object

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


Determining longest length of segmented polylines representing rivers?

Connecting line features and determining the length of the longest line


What is the scope of variables in JavaScript?


Show that the sum of the next series is an irrational number $\sum_{1}^{\infty} \frac{1}{(n!)^2} $

Prove the series $ \sum_{n=1}^\infty \frac{1}{(n!)^2}$ converges to an irrational number


Why can't I break this formula into two lines?

Error: Extra }, or forgotten \right in split


Is there a term for creating a new meaning for an existing word?

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


How Can I Delete An Object In a Video Or Picture With Blender?

Using mask as a garbage matte to hide an object


cannot invoke vendingitem.getname because this.shelf[i] is null

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


how to make horizontalscrollview scroll-line invisible


A (not necessarily unitary) $R$ module $M$ splits into $B\oplus C$ where $B$ is unitary and $RC=\{0\}$.


if gender = male or female print out result


How to find where browser breaks a paragraph of text


How can I account for assumed X and Y errors when using findfit?

Estimate error on slope of linear regression given data with associated uncertainty


Connecting a 12V DC power adapter to Arduino

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


Folder is not deleting. How to delete this folder?

How can I delete a folder with "illegal" characters?


How to look up a space in a field value and display all characters before it

AmpScript to select Right or Left characters from a string


Regexp - Match any character except "Something.AnyChar"


Monitor/spy on tty1 or see the output from tty1 via SSH?

How can I hook on to one terminal's output from another terminal?


how do I install myself as owner in 14.04?

"You are not the owner..." message when trying to access folder


Where can I find mathematica documentation about @@@?

What are the most common pitfalls awaiting new users?


What is the meaning of the different links in the binomial family of a GLM model in R?

Difference between logit and probit models


How to recover Apache reverse proxy fast after proxy error?

How to remove request blocking on apache reverse proxy after failure of backend before asking backend again?


PInvoke struct with array of unspecified length


how to upgrade from unsupported Ubuntu version 15.04 to more recent Ubuntu version -- simply changing sources to old-releases.ubuntu.com not working

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


Lost Administrator Password for Windows 2003 R2 Enterprise Server

What can I do if I forgot my Windows password?


Under what condition on $\sigma$ is $dM_t = \sigma(M_t,t) dW_t$ a martingale?


My computer cannot detect wireless connections in Ubuntu 18.04

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


Why doesn't smaller Transmission Lines affect Signal Integrity?

Why do characteristic impedances matter only when traces are longer than half a wavelength?


Show that $A^2=A$ suppose that A is normal and $A^5=A^4$

If $A$ is a normal matrix such that $A^{247} = A^{246}$, how to prove that $A$ is an orthogonal projection?


What Python regex matches all alphabet characters but no numbers? [unicode aware]

Matching only a unicode letter in Python re


Retrieve list item created by current user in content editor in SharePoint 2013

JSOM to load pop with new item form if user is not created previously


Can a PHP function accept an unlimited number of parameters?

PHP function with unlimited number of parameters


Variant of set cover problem with symmetric difference instead of union?


I am trying to decipher some terminal code

How to add existing user to an existing group?


$\quad A\subset\mathbb{R}$ is measurable and $m(A)>0$. then $m\left(\mathbb{R}-\bigcup_{q\in\mathbb{Q}}q\cdot A\right)=0$.

Minkowski sum of a positive Lebesgue measure set and $\mathbb{Q}$.


Failed Ubuntu 15.10 installation on UEFI system, how to report this bug


Shell Script for logging into a ssh server


Find a closed form for $\sum_{k=0}^{n} k^3$

How to determine equation for $\sum_{k=1}^n k^3$


Possible to get a virus from just visiting a website?

Why can I get a virus or trojan from visiting a website?


Can I use a 20V or 24V to power up a piano that needs 21V?

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


Help understanding Well-Ordering Theorem

Why is the well ordering principle counter-intuitive?


Execute when an application is destroyed/ undeployed

Using special auto start servlet to initialize on startup and share application data


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


How do I check the results of a chkdsk that ran at start up?

Where are the results of chkdsk located in Windows 7?


Clarification on finding the dimension of a nxn skew-symmetric matrix?

Dimensions of symmetric and skew-symmetric matrices


How do I perform string matching and replacements?


HttpServletRequest.getRemoteAddr() returning wrong address

How do I get the remote address of a client in servlet?


I am trying to have a container inside the footer. I am able to position it to the left and right but i am not sure why its not going into the middle


How to create nested lists with random numbers?

List of lists changes reflected across sublists unexpectedly


Comparing strings stored in two different arrays and output a string from another array if the strings match


AngularJS how to add days / months / years to a date

How to add number of days to today's date?


Single list item stopping package manager

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


Is it safe to check floating point values for equality to 0?


Any infinite set contains a countable subset. Why is my proof wrong? (Axiom of Choice)

When induction proofs need a choice function


Traversing through subdirectories and create simillar directory structure & then process each file in sub directories

Command Line loop to run command on all files in a directory (plus sub directories, if possible


python how to remove http from a string using replace

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


javax.el.PropertyNotFoundException property not found on type

Outcommented Facelets code still invokes EL expressions like #{bean.action()} and causes javax.el.PropertyNotFoundException on #{bean.action}


How do you handle verbal exchanges between NPCs without taking the PCs out of the spotlight?


Linux Ubuntu Server - sudo chown -R user:user /

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


Question regarding the LM7810 voltage regulator

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


A method won't move into an if-else statement, but it's will run up to that point?


Prove by mathematical induction that $\forall n \geq 4 \in \mathbb{N}: 3n^2 + 3n +1 < 2(3^n)$

Prove by mathematical induction that: $\forall n \in \mathbb{N}: 3^{n} > n^{3}$


Given that $g$ is only continuous at $0$, not on $[0,1]$, show $\lim_{n \to \infty} \int_0^1 g(x^n) dx = g(0)$.

proving $\lim\limits_{n\to\infty} \int_{0}^{1} f(x^n)dx = f(0)$ when f is continous on [0,1]


How can i normalize the input data to neural network

How to encode categorical variables for neural networks


Counting arguments question about sums of binomial coefficients

Combinatorial proof of $\sum^{n}_{i=1}\binom{n}{i}i=n2^{n-1}$.


slds-form-element_horizontal change distribution of label and field

Target inner elements of standard Lightning Web Components with CSS


Convergence of $\sum_{n=0}^{\infty}ne^{-\beta n}$

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


Gravity in the center of a hollow neutron star

Is spacetime flat inside a spherical shell?


Random Order of Numbers in Select Statement

Does an IOT guarantee order in a select?


RegEx validator for my JSON response incoming from REST webservice

Safely turning a JSON string into an object


How do I adjust my email notification configuration and policy?

Control the types of email you receive via our new Email Settings feature


How do I return the response from an asynchronous call?


Does a giver of a Sacrificial Protection need to be given a chance to save themselves?

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


How does an app (e.g. Whatsapp) automatically detect when the phone receives a 2FA SMS verification code without being granted SMS read permissions?

How does an app reads an OTP SMS without SMS permission?


Howthe body differentiate between foreign and native protein? How does it know when to create an immune response?


How to use TextView to fill remaining space of a view in android?

How to layout text to flow around an image


replace if statments with clean code and best practices

Replacements for switch statement in Python?


How to reduce space size appears before sentences after full stop?


Tag containing a typo - should it be deleted?

How can we get rid of misspelled and unused (or "zombie") tags?


Windows 7 not booting after installing Ubuntu 12.10

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


Adding jQuery to act on the Select/Option that is dynamically created

Event binding on dynamically created elements?


Integrating $\int_0^\pi \frac{x\cos x}{1+\sin^2 x}dx$

Evaluating a sum involving binomial coefficient in denominator


What is the purpose of tiny "bumps" on LED legs?

What are the 'knuckles' on through-hole LEDs and photodiodes for?


Why $x^2+y^2 \leq 1$ in sum of inverse sine functions

Proof for the formula of sum of arcsine functions $ \arcsin x + \arcsin y $


create an instance of a class by using it's string name in python

Can you use a string to instantiate a class?


How to move minimize maximize and close button to left in ubuntu 17.10?

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


What does "use strict" do in JavaScript, and what is the reasoning behind it?


Negative integer division surprising result


How do I see what is being tested in Chrome Canary, on an ongoing basis?

What is Chrome Canary and how is it different from Google Chrome?


Should I Capitalize the Word "mom" in This Specific Context

When should "Mom" and "Dad" be capitalized?


Are these sentences both structured correctly?

Changing subject and verb positions in statements and questions


Ruby attr_writer methods in singleton classes

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


In an auditorium a comperer announces and asks the audince to take their seats on the left side. What does it mean?

Right or left? When the teacher says: "If you look at the diagram on the left hand side, you will solve this question!"(In a position like this?)


If $p : E \to X$ is a covering map and $E$ is path connected, then all the fibers have the same cardinality.

If $h : Y \to X$ is a covering map and $Y$ is connected, then the cardinality of the fiber $h^{-1}(x)$ is independent of $x \in X$.


Error: couldn't find RGB GLX visual or fbconfig ubuntu 12.04


Can you help me with my capacity planning?


When is memory deallocated in relation to static variables?

Destruction order of static objects in C++


How to match a self repeating pattern using regex


Are there only finitely many prime ideals in this tensor product?

Finitely many prime ideals lying over $\mathfrak{p}$


Malformed [tag:] elements freeze the markdown preview

Preview Breaks with Invalid Tag Name [tag:+]


How to return an enum by item index as apposed to value index?


If a set is open, does it mean that every point is an interior point?

Are "if" and "iff" interchangeable in definitions?


Recover sheet protection password in Excel


Cursor Automatically Placed in InputField


Is the second "to" needed here? "I am going to listen and (to) read"

Repeating (or not) "to" in a sentence involving infinitives set in parallel


I hope you enjoyed/have enjoyed staying in Italy

How do the tenses and aspects in English correspond temporally to one another?


System Admin @mention Community user not working

Unable to @mention Partner user on chatter feed by Salesforce Internal User


Is there any guarantee with `std::regex_search` when there are multiples match possibilities

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


Can Hogwarts prefects dock points or not?


My old passport with US Visa in it was declared lost or stolen

Is it okay to use my US visa after a name change?


Blender renders plane in distorted way when enabling displacement only vs. bump displacement

Strange results when using the Cycles renderer


How to execute SQLite database within android app

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


How do I get FillInTheBlank to print a question(Inheritance)


What is happening with the sizeof this struct?

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


Is it possible to delete sensitive info fully on SE, even from revision history?

What should I do if a user posts sensitive information as part of a question or answer?


Find a polynomial of degree > 0 in $\mathbb Z_4[X]$ that is a unit.


Are there privacy concerns with the Built-In iSight Camera and LED Indicator?

Hard wired link between webcam and led indicator?


What does a dot before the variable name in struct mean?


Are focusing adverbs exceptions of adverb definitions?


Difficult alphabetic sorting with BibTeX

How to change order of a bibliography style manually (bilingual bibliography)


Correct SQL expression for SelectbyAttribute Tool

Unsupported Operand Type for Field Query


Python - import external file via command line


classification of groups with trivial automorphism group

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


Prove for $k>5$ prime, $(k-1)!+1$ has at least $2$ **different** prime divisors.


Is it more proper to use the equivalent operator or the equals() method to compare the contents of Strings?


Is a comma before a conjunction optional, or old? (not talking about lists)

Should I use a comma before "and" or "or"?


How to bind event to callable in addEventListener('event', callable.bind(???))

How to pass arguments to addEventListener listener function?


Why is this javascript expression evaluated to false?

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


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


How to convert std::string to LPCWSTR in C++ (Unicode)


installation problem in VLC Media player

How to update VLC to the latest version?


A term or phrase for speaking as clearly as possible to non-experts

A term or phrase meaning "to explain in simple words"?


Can i deserialize xml directly into a List

Is it possible to deserialize XML into List?


Rest Jersey NullPointException, unable to return list of users

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


Is there a formula to count the number of solutions for $x_1 x_2 ... x_m=n$

The number of possible factorizations of a positive integer.


Show that a group of order $108$ has a normal subgroup of order $9$ or $27$.

A group of order $108$ has a proper normal subgroup of order $\geq 6$.


Really fix Win10 to prevent automatically adding keyboard layout

How to prevent Windows 10 from automatically adding keyboard layouts (i.e. US keyboard)


Using PHP, how do I link a page and load it with a variable when clicked?


How to execute several commands after each other with one request to the terminal (without using a file)?


How to create a global method in C# that can be called without prefixing the classname?


Python pass condition formatting a dictionary

Does Python have a ternary conditional operator?


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


How to clear the pre-login screen in Redstone 4 (Win 10 ver 1803) of all the "tips"?


why an array created like this cannot be created?


Replace a  tag to  tag using BeautifulSoup

How to change tag name with BeautifulSoup?


Can I transfer/Migrate Windows server 2003 RDS cals to Windows Server 2012 R2?

Can you help me with my software licensing issue?


Render giving me nothing but a rough background


Are persistent variable values after the kernel is stopped possible?


How to set system time in linux using time_t variable

How Do You Programmatically Set the Hardware Clock on Linux?


"To whom it may concern" or "To whomever it may concern"?


Solve equation $5x^2+3x - 4 = 0$ in $\mathbb{Z}/17\mathbb{Z}$

modulo version of the quadratic formula and Euler's criterion


Calculating the sum of a binomial coefficient series


Rotation of group of rigid motions of cube is isomorphic to $S_{4}$


Why does `... := With[{var = ...}, ...]` create `var$`?

Why does the global variable exist here, where it was declared only in Module?


How to make a .PNG that shows one image on a black background and a different image on a white background?

Why does this PNG image on twitter look different when clicked?


Prove that there is an one-to-one function from $\mathbb R × \mathbb R$ to $\mathbb R$

Injective function from $\mathbb{R}^2$ to $\mathbb{R}$?


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


Find all positive integers $m$ that satisfies: $a^2 \equiv 0\mod{m} \Rightarrow a \equiv 0 \mod{m}$, $\forall a \in \mathbb{Z}$

When is this true: If $m^2$ is a multiple of N then m is a multiple of N


Add number new posts (post_status = pending) to administration menu

Put update-like notification bubble on multiple CPTs menus for pending items


Is a static counter thread safe in multithreaded application?


Running a batch script one statement at a time?


Is there a list of android system status bar icons?

Complete list of Lollipop system icons shown in notification bar?


Give the ability to only edit tags for a question without the editing post (Body)

Cannot suggest retag-only edit because "edits must be at least 6 characters"


When should static_cast, dynamic_cast, const_cast and reinterpret_cast be used?


What does well-defined mean? In general or in this context (quotient group)

In Group theory proofs what is meant by "well defined"


How can I use a custom graphical interface in Ubuntu 16.04?

How can I create a new Ubuntu desktop environment/window manager?


My Daughter Has Claimed to Change Gender, How Do I Address This As a Father

My 13 year old daughter says she wants to be a boy. This is out of character for her. Is this a phase?


Terminal error messages are not in English

Ubuntu: errors in terminal: how to show them in english language?


Vortex in liquid collects particles in center


Given Newton's third law, why are things capable of moving?


Can I install Ubuntu on my phone (Sony Ericsson w8)?

What hardware does Ubuntu Touch support?


How to include Mathematica animation in a PowerPoint presentation?


AES-XTS: find key from ciphertext and plaintext

Is it possible to obtain AES-128 key from a known ciphertext-plaintext pair?


explorer.exe can't modify directories, cmd.exe can

Unable to rename folders through Explorer in Windows 8.1


Implementing Branching Conversation Dialogue in C# with XNA

How can I implement dialog trees into my game?


Python weird behavior in list comprehension

List comprehension rebinds names even after scope of comprehension. Is this right?


Crazy boot and reboot times after upgrading to ubuntu 15.04 (a stop/start job is running for session c2)


Vertical padding in tabularx cells without using tabular or table


Does an SO account make sense if I never ask or answer?

How does a lurker gain reputation to receive privilege for commenting?


Is there a way to launch Terminator when right clicking "Open in Terminal" for Ubuntu 18.04?

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


Is it possible to make \usepackage depend on paper size?


For-In and attribute issue in Javascript


Try catch block outside the main() scope

Can you really have a function/method without a body but just a try/catch block?


Reputation got minus when an answered question was removed by the author


Transposing rows into columns in absence of few rows using AWK


Finding $O(ab)$ when $O(a)$ and $O(b)$ are given in non abelian Group

Let $G$ be a nonabelian group. Let $a \in G$ have order $4$ and let $b \in G$ have order $3$. Then the order of the element $ab$ in $G$


Find a number by the decimal part of its square root

The minimum number of digits after the floating-point, which uniquely identify every irrational square root


Is there a word for when a statement is technically true but misleading?


I'm trying to do a sudo apt-get upgrade, but there are some packages that are no longer required. Should I remove them?

Is it safe to use the command apt-get autoremove in this particular scenario?


How to increase the gap between text and underlining in CSS


In Java, what is the best way to determine the size of an object?


What exactly do \csname and \endcsname do?


A function $f$ is twice differentiable and $|f|\leq M_0$, $|f''|\leq M_2$, show that $|f'|\leq 2\sqrt{M_0M_2}$


NullPointerException Error when attempting to use adapters for custom list view

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


Where to find an example of the Actions?


How do I make this regex stop at the first match?

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


What is the difference between implication symbols: $\rightarrow$ and $\Rightarrow$?

What does $\rightarrow$ mean in $p \rightarrow q$


Did the form of address of female officers and crew of Startrek change over the years?

What's the origin of referring to female superior officers as "sir"?


Objective C Equivalent of PHP's "Variable Variables"


Use cases to define a variable as `protected`?

Should you ever use protected member variables?


Can an Action be used for an ability that specifies it requires a Bonus Action?

Can I use a spell with a casting time of "Bonus Action" as my action?


Redirect automatically to subdirectory and also remove www

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


Is the practice of doing normality test before doing t test wrong?

Is normality testing 'essentially useless'?


how do we organize our site's (navigation) pages in Google search?

What are the most important things I need to do to encourage Google Sitelinks?


How do electric field lines form only open loops?

Why can't electrostatic field lines form closed loops?


Prove that $43^{101}+23^{101}$ is divisible by $66$ using modular arithmetic

Proof of $a^n+b^n$ divisible by $a+b$ when $n$ is odd


Given integers $(-a)$ and $(-b)$ why is the product positive?

Why is negative times negative = positive?


Getting data in data.frame for user specified variables

Getting user provided data out of a database and into R


Is there a word to describe something that is bad/harmful, yet needed/imperative?


If I chose "Replace Windows with Ubuntu", do I lose the other partition too?


What is the difference between Restricted Maximum Likelihood (REML) and Maximum Likelihood (ML)?

What is "restricted maximum likelihood" and when should it be used?


Does "Delete Local Content" retain save files?


How to move file from Windows to Linux subsystem?

Windows Subsystem for Linux: /home/user (Linux Home Directory Path) to use for ConEmu Terminal?


How to round a number to n decimal places in Java


Inequality $\sum\limits_{1\le k\le n}\frac{\sin kx}{k}\ge 0$ (Fejer-Jackson)


I'm stuck. Help (I don't know what happened)

Gray cone obscuring/clipping the 3D Viewport


How to enter date as an option in a bash command?

Evaluating the return value of a command line


Please tell me that why aren't we discarding the conventional flow of current despite not being in sync with principle of potential difference

Why is the charge naming convention wrong?


Is there a name for an element $z$ such that $\,zx = z = xz\,$ for all $x$?


How to format table with long column head entries?


create Ubuntu Distribution based on my home directory?


How to redirect old url alias to new url alias?

How create Redirect pattern from old to new URLs?


Is Dark Energy Pushing Us Or Pulling Us?

Could the acceleration of universe expansion be caused by gravity itself?


How do you check the internet connection in android?

How to check internet access on Android? InetAddress never times out


grouping tables and horizontally showing?


Learning development with Force platform. Any good books?


Will installing Ubuntu to dual boot with Windows slow down any OS or my laptop?


Tried to move a file and now i cant find it


Uploading picture in Div using sencha touch


Bomb Lab phase 5: 6 char string substitution lookup table, strings_not_equal

Binary Bomb Phase 5 - lookup table translation -> string compare


How do I make a textbox that only accepts numbers?


Was Harry Potter a direct descendant of Godric Gryffindor?


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


Let A be a square matrix of order n. Prove that if $A^2 = A$, then $\operatorname{rank}(A) + \operatorname{rank}(I - A) = n$.

$\mathrm{rank}(A)+\mathrm{rank}(I-A)=n$ for $A$ idempotent matrix


Prove that $(ab)^\mathrm{n-1}$ = $b^\mathrm{n-1}*a^\mathrm{n-1}$ where n > 1 is a fixed integer

Let $G$ be a group, and let $n\in\mathbb Z$. Show that $(ab)^n=a^nb^n\iff(ab)^{1-n}=a^{1-n}b^{1-n}$.


Does flagging a question as duplicate require that the original must have an answer?

Changes to "close as duplicate" (part deux)


Order of hyperparameter optimisation and feature selection in a nested CV structure

How should Feature Selection and Hyperparameter optimization be ordered in the machine learning pipeline?


Add item in SharePoint 2010 document library using JavaScript

How to Upload File to Document Library using JavaScript Client Object Model?


How to make "old-style" the default for numerals?


Import and export data from SQL Server table using query


Why this double operation is not precise in Java?


Most Efficient Way to Calculate the Product of All Items in a List?


Why does my Stack Overflow question, which was answered and can be found easily on the Web, not show up in my list of questions?

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


Error Updating: izx/askubuntu/ubuntu xenial Release' does not have a Release file


DNS Records move web server keeping Email server as is

How do I move my website to a new server without interruption to email?


How do I, as a player, encourage my fellow players to role play?

How to get the players to care and RP more?


treading on somebody's toes - dealing with mischievous tormentor

What is serial voting and how does it affect me?


What is the difference between "there + be" and "there exist/s"?

Which verbs apart from the pure copula follow the existential 'there'?


Books or papers on statistical mechanics, given information theory background?

Reference for statistical mechanics from information theoretic view


Setting up primary and secondary dns on one server

Why should one have a secondary DNS server?


Is it possible to enable USB Debugging (Install via USB) on Redmi phone without signing into Xiaomi account?

Enable "Install via USB" without creating MI Account


Spring: @Autowired for POJO, that not managed by Spring


Intel WiFi Card Not Recognised in Ubuntu 16.04


Zombie account was somehow created, and I am unable to submit a merge form (profiles already linked)

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


How to best catalog high-res images and scans

Organize photos for many overlapping projects


How to deal with invalid "editing" of a response

How to deal with invalid, but still community-approved edits?


Transferring through US airport. Do I need traveling visa?


Suppose $f(x)=\frac{4^x}{4^x+2}$ and prove that $f\left(\frac{1}{1997}\right)+f\left(\frac{2}{1997}\right)+\ldots+f\left(\frac{1996}{1997}\right)=998$

If $f(x) = \frac{4^x}{4^x+2},$ find the value of $\sum \limits_{i=1}^{1999} f\left(\frac{i}{1999}\right) $


Protagonist attempts to destroy global administration computer, but instead is invited to join programming team

Book with boy with one different colored eye


When $x=2$ in the infinitely continued fraction $x+\frac{1}{x^2+\frac{1}{x^3+\ldots}}$, what algebraic value does it converge to?


what's the grammar structure of "ought to"

have to / must / should / ought as applied to inanimate objects


ubuntu: can't install sdl1.2-dev due to broken packages

Unable to correct problems, you have held broken packages


IS it possible to create an object of a generic class with dynamic type arguments?

Pass An Instantiated System.Type as a Type Parameter for a Generic Class


How to modify the content of a string using Regular Expression (Just like String.Replace)

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


What special characters must be escaped in regular expressions?


Why is Brad Pitt nominated to academy award as a supporting actor?

Lead actor/actress VS Supporting actor/actress


How do IPs end up on the spam blacklists

Fighting Spam - What can I do as an: Email Administrator, Domain Owner, or User?


Note-taking and outlining using Vi: On startup, highlight tags and display tags in a preview window


Let $p<q$ be distinct prime numbers and $G$ be a group with $|G|=pq$

Nonabelian semidirect products of order $pq$?


How do I write x like this? (vector, linear algebra)


If you make changes to paper after initial conference submission, should you present updated version at conference?

Could I change part of my paper after acceptance


I cant see any text on Skype after update to ubuntu 15.10


Populating tableview with database javafx

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


Using custom font in android TextView using xml


I have a trademark for a domain but another party registered a similar one using private registration

Squatting company registered similar domain after I registered mine, am I able to dispute this?


How do I get \DeclareMathOperator to put the limit beneath?

Define additional math operators to be typeset in roman


Splitting up an array in python into sub arrays

How do you split a list into evenly sized chunks?


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


dual boot lubuntu/windows xp: lubuntu installed first

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


Sendmail command to send a file as an email body as well as attachment

How do I send a file as an email attachment using Linux command line?


Airplane ground speed and direction, given airspeed and wind


The slogan, "i'm lovin' it" is grammatically wrong


Travel in Schengen after Swedish Temporary Residence Permit has expired

How to switch from Resident visa to Tourist visa status in the Schengen area?


How do I disable search-as-you-type text in Ubuntu 17.10 and later?

Traditional search-as-you-type on newer Nautilus versions


Why is homogeneity of variance so important?


Multiple line code example in Javadoc comment


Can I cast spells in the middle of another spell resolving?

Can I cast a spell while another spell or ability is resolving?


Lualatex compilation problem using cancel and breqn packages

Why does LuaTeX plus breqn quadruple output of \text{} when in display-math mode?


How do I convert, lower, or raise voltage?


Plotting several 2D plots on one 3D graph


Books in German on some subjects related to advanced algebra

Modern Books on Group Theory in German or French


Iterating through a list in reverse order in java

Can one do a for each loop in java in reverse order?


cantilever brakes have 1mm play in then is this normal?

How to remove play in cantilever pivot point?


Can a wine program access files outside of the virtual C: drive?

Risks/Disadvantages associated with Wine


is there any wayout to set init parameter in servletconfig or servletContext object?

How to configure  programmatically without web.xml


What happens with reputation from votes during suspension?

My account has been temporarily suspended; what does that mean?


Tcolorbox - setting linkcolor and citecolor at the same time

options for appearance of links in hyperref


Explaination of Borderlands 2 One True Vault Hunter Mode


Question about writing a proof with continuous functions


Django: How will django protect from knowing the passwords by using hashes if someone have access to the database

Difference between Hashing a Password and Encrypting it


How to check if a 2D point is in a polygon?


Determine all indexes of an element appearing more than once in an array using c#


How to differentiate this negative power?


Trying to get Value from Firebase database and creating if else statement to set value in firebase but app executes the fourth line only


How do I safely pass objects, especially STL objects, to and from a DLL?


Can a Thallid create saprolings at end of combat phase and still kill attacker

Can I deal combat damage with a 1/1 Walking Ballista and deal damage with its ability?


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


Does healing self-damage contribute to a healer's ult charge?

After the game starts, does healing a hero that damaged themself charge Mercy's ultimate?


Injecting a CSS stylesheet using Javascript

How to load up CSS files using Javascript?


If else statement does not read user input


What happens to the Shield Gate in the Rogue One novel?

How would the shield gate have “regenerated”?


What is the AcceptedAnswerId field in Stack Overflow data MSR 2015?

Database schema documentation for the public data dump and SEDE


Prove that if an even function $f(x)$ is $C^2$, $f(|x|)$ is also $C^2$


How to find the kth largest eigenvalue of a matrix, taking into account the sign?

Find the eigenvector associated with the smallest eigenvalue, not smallest in magnitude


Find the value of $\sum_{k=1}^{n}k\binom{n}{k}$?


Can Blender render pngs with the background transparent?


Probability of no mutual friends between two groups of n people

An unexpected application of non-trivial combinatorics


How to write assembly and c code in a same .c file

Writing a Linux int 80h system-call wrapper in GNU C inline assembly


How come roblox has the ''Change Age'' Choice on their roblox support program if they wont even let you change your age?

How do you change age settings on ROBLOX?


Complex minimal polynomial is image of real minimal polynomial under tautological map.

Can a matrix in $\mathbb{R}$ have a minimal polynomial that has coefficients in $\mathbb{C}$?


Is there a tool for listing all the custom exceptions client code can throw


Constant current MOSFET circuit oscillating, how to get it to stop?

Current source with unlimited cap drive op-amp oscillating


Using for loop to avoid ConcurrentModificationException in multi threaded environment

Why is a ConcurrentModificationException thrown and how to debug it


How to De-standardize coefficients from multiple linear regression?

Convert standardized coefficients to unstandardized (metric) coefficients for linear regression of a standardized independent variable


BibLaTeX doesn't work on my Mac with TexStudio

Question mark or bold citation key instead of citation number


Determining Current Call Stack (For Diagnostic Purposes)


What is the difference between $-1^2$ and $(-1)^2$?

What is the accepted syntax for a negative number with an exponent?


What was sci-fi book where the main character could read computer networks

Looking for a novel about a dystopian future where the resistance operates a help line


Beginner question about classes in Python

What's the canonical way to check for type in Python?


How Do I Produce a Date format like "1st November" in c#


Large Application - should I be concerned about running on VM Ware?

Can you help me with my capacity planning?


How to get the CPU cycle count in x86_64 from C++?


Chinese Remainder Theorem $\ x\equiv m_k-2\pmod{m_k}$


What is a valid and reasonable alternative to a massive storage approach (for user authorization purposes)?

How to handle massive storage of records in database for user authorization purposes?


How do I resolve unmet dependencies after adding a PPA?


How to print a formated date time from mysql timestamp in php codeigniter

Convert from MySQL datetime to another format with PHP


A 'no symbol' appears after clicking add comment button

Mouse cursor briefly becomes "not allowed" sign when clicking on SE action buttons


What games are good to play with teens in the car?


Proving $\sum_{k=0}^n{2k\choose k}{2n-2k\choose n-k}=4^n$

Identity for convolution of central binomial coefficients: $\sum\limits_{k=0}^n \binom{2k}{k}\binom{2(n-k)}{n-k}=2^{2n}$


Securing a password in a properties file

Encrypt Password in Configuration Files?


How to use DNS/Hostnames or Other ways to resolve to a specific IP:Port


Why does cycle rendering only use one core from an AMD GPU?


Smallcaps in text and author index with biblatex 3.4 and biber 2.4


StackOverflowError using intersect method


Rendering an animation the way 3D view looks


Proof that every number ≥ $8$ can be represented by a sum of fives and threes.


Why do buttons with ChoiceDialog freeze the front end?


Distribution of the dot product between random unit vectors

Distribution of scalar products of two random unit vectors in $D$ dimensions


Prove that every group of order 15 is abelian?

Any group of order $15$ is abelian(without sylow theorem)


Remove the unwanted vertical bar at the end of the string JS


If a Column is a Foreign Key does it need an Index?

Does specifying a foreign key make it an index?


How to do networking between virtual machines in VirtualBox?


Malformed entry 58 in list file /etc/apt/sources.list (URL parse) The list of sources could not be read

What is the correct output of cat /etc/apt/sources.list?


How to compute error terms in moving average time series model?


Pressing "W" turned my cursor into a circle


Alternative way to prove that the sum of the square reciprocals is ${\pi^2}/6$

Different methods to compute $\sum\limits_{k=1}^\infty \frac{1}{k^2}$ (Basel problem)


Does a ring isomorphism preserves the structure of a field?

Isomorphisms preserving integral domains and fields


Getting the delete.php file to also delete files on server


Suggestion was tagged with status-declined and keep getting downvotes


Are close votes intended to be policy-driven or policy-defining?

Individual community preferences vs. SE network policy: who wins?


How to get file list using system variable %LOCALAPPDATA%?