Energy conservation when light reflects from mirror

Does a reflection still transfer momentum to an mirror?


Can. MacBook Pro run in closed-display mode without physically. closing the lid?

Can I turn off macOS Catalina's internal display without close the lid while using an external monitor?


Proof by induction that $\sum_{i=1}^n \frac{i}{(i+1)!}=1- \frac{1}{(n+1)!}$


Process to convert simple Python script into Windows executable

Create a single executable from a Python project


Are categories just multi-digraphs with extra restrictions?

Is Category Theory similar to Graph Theory?


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


Newton's Cradle: why does it stay symmetric?


Do I still need to create a SWAP partition in modern Linux?


R appears to fail to execute a line in a function

addSMA not drawn on graph when called from function


Linked scenes with different materials in blender 2.82++

Linking the mesh and location of objects with different materials in different scenes


How do I install the ubuntu-restricted-extras package?


Can you find all classes in a package using reflection?


Pros and cons of kerning, spacing, and tracking in microtype

Why are not all microtyping features enabled by default?


How to prove that $11^{n+2} + 12^{2n+1}$ can be divided by $133$ where $n\in\mathbb N$


Question mark or bold citation key instead of citation number


Given two vectors $\vec v, \vec u \ne 0$ and $\alpha$ scalar...

Determining an unknown vector from its cross and dot product with known vector


Is the canonical morphism of sheaves $f^{-1}f_*\mathcal F\to \mathcal F$ an isomorphism?


"This computer currently has no detected operating systems."- Ubuntu 14.04 install Windows 8.1

"Install alongside" option missing. How do I install Ubuntu beside Windows using "Something Else"?


How do I turn co-ordinates on in Minecraft?


Still No wifi adapter for Realtek RTL8822BE found in 18.04


Accesing a variable in a ggplot function


Is there only one pair of unequal rational numbers with $n^m = m^n$?


Why are the fertility rates of large predators kept low?


Non-lexicographic sort based on particular column of file which is tab separated

Sort order to order this list in a specific order


Where's the definitive list of "Stack Overflow spawn"?

Where can I find a list of all of the QA sites, and the topics they cover?


How to install Gnome 3.38 in Ubuntu 20.04?

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


What is the use of interface if it should be defined in the subclass implementing it

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


how to add graphics.h to code blocks in ubuntu ?


what does line mean: var DYN_WEB = DYN_WEB || {}; in js?

What does "var FOO = FOO || {}" (assign a variable or an empty object to that variable) mean in Javascript?


Code coverage issue RecordType.Name required

Why can't I see related data in my Apex, or why are related records showing up as `null`?


Why do you need "total answer score of 5" to suggest tag synonyms

Can we allow 7.5K users  to suggest tag synonyms without a score of 5 in the tag?


How many planets were there in the Empire at the time of A New Hope?


Was film actually “better” than digital media?


Looking for a book where a girl wakes up in an android body after Earth is destroyed

Sci-fi book where humanity is rebuilt on a new planet after being wiped out


What happens to the semiconductor in an LED when it is given voltage that it cannot handle?


Transforming a sound wave into a literal light wave. Is it possible?

Why is light produced when an underwater bubble is collapsed with a sound wave?


Search for values of IDs using preg_match_all in PHP

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


Ordinary kriging with three dimensions in R

Integrating DEM within kriging and other interpolation methods?


How Can I Hide *Only* the Button (Not Entire Element) for the Input Type File in a Django Form?


Where is information about methods of Java objects kept?

What's the method representation in memory?


Prove by induction: for $n \ge 0$, $\frac{(2n)!}{n!2^n}$ is an integer

Show $\frac{(2n)!}{n!\cdot 2^n}$ is an integer for $n$ greater than or equal to $0$


How can I upgrade from 18.10 to current 20.04 version of ubuntu?

Can I skip over releases when upgrading?


For the ideal $p$ = ($xz - y^2, yz - x^3, x^2y - z^2$), is $p^2$ a $p$-primary ideal?

Is there an example of a power of prime ideal in a polynomial ring that is not primary?


Date Conversion from string to java.util.Date and then to java.sql.Date

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


Incorrect target of \label link produced by hyperref


jQuery toggle() malfunction on version upgrade

jQuery click / toggle between two functions


Implications of the delayed choice quantum eraser experiment

Why doesn't delayed choice quantum eraser experiment imply retrocausality?


Proper File Name Conventions for File Indexes

Change web folders names with uppercase to lowercase or not?


What is the C# equivalent to LINEST from Excel?

Interop Excel method LinEst failing with DISP_E_TYPEMISMATCH


issues with creating a new object in a class

Initializing PHP class property declarations with simple expressions yields syntax error


Prepared Statement insert into Multiple Tables using Try-with-resources , java DB and NetBeans 8.0


Can't use paste to get the real object inside a function


Read Shell Script option separated by space

How do I parse command line arguments in Bash?


How do I catch a PHP fatal (`E_ERROR`) error?


Can I tile my shower in stages on different days?


Simple Divisor Summation Inequality (with Moebius function)


Why is the inserted image not between the paragraphs?


Initialize C-style array with non-zero value without loops

How to initialize all members of an array to the same value?


Check whether the series is conditional converges or absolutely converges $\sum_{n=1}^{\infty}\left(\frac{-n}{n+1}\right)^n$

What values of alpha guarantee the convergence of $\sum _{n=0}^{\infty }\left( \frac {\alpha n} {n+1}\right) ^{n}$?


$\dfrac1a+\dfrac1b=\dfrac1c$, $a, b, c \in \mathbb{N}$ with no common factor, find all solutions

"If $1/a + 1/b = 1 /c$ where $a, b, c$ are positive integers with no common factor, $(a + b)$ is the square of an integer"


Why don't lightsaber users turn off their lightsaber midfight to pass through their enemy's defense?

Why don't lightsaber duelists ever use the technique of turning off their lightsaber during a fight?


Define $_POST variable before form submission


What negatives can occur when installing mismatched memory?

1.35 V RAM in a 1.5 V system - Will it fry or overclock?


Prove that the countable union of sets of cardinality $c$ again has cardinality $c$.

Countable union of sets of cardinality $c$ has cardinality $c$


How does Anivia's passive interact with unique item passives, item activations, and summoner spells?

What is the precedence of Guardian Angel compared to other revive effects?


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


Should I use "moving in to" or "moving into" for this sentence?


How to kill an android app from another app?

ANDROID: How to gain root access in an Android application?


preview a vCard without adding it to the contact list


CreateDocument fails to open when ExpressionCell has RegionMember function

Evaluation inside Button stops after some seconds


mysql doesn't ask for root password when installing


Subfiles errors while using style in the main file


Why is USB extension distance so limited?


Is it true that people tend to like music from their teenage years for most of their lives?


Baking flour and sour cream -US /UK terms

Translating cooking terms between US / UK / AU / CA / NZ


Targeting specific members of a team who have died

Can you use /testfor to detect the death of a player?


Does anybody know what kind of font is written in this document?

How do I find out what fonts are used in a document/picture?


Proving existence of $\gcd$: Artin exercise 2.3.3

Show $GCD(a_1, a_2, a_3, \ldots , a_n)$ is the least positive integer that can be expressed in the form $a_1x_1+a_2x_2+ \ldots +a_nx_n$


Splitting file based on size, but make sure that it ends with newline


PHP mail function not sending mail, due to possible error in message

PHP mail function doesn't complete sending of e-mail


Removing the return spring of a rear derailleur

(Automatic Bike Project) amount of torque required to change gears?


What is our understanding of what our (i.e. observable) universe has expanded into?


How can I take crisp sharp shots without an expensive lens?


xdotool mousemove blank screen script question

How to prevent my screen from either dimming or the screen-lock starting when watching YouTube?


Watchmen book ending versus movie ending

Why was the end of Watchmen changed in the movie version?


iPad, cellular data sim card, London UK?


How to generate a basis for a linear mapping in a complex field such that's it's matrix is Upper Triangular?

How to get the upper triangular form for any linear map?


How to get private variables from prototyped methods in Javascript

Accessing private member variables from prototype-defined functions


How can I play video or listen to music?


How can I add a line after every 10 records using MOD?

How can I add a new row in a table every 10 columns automatically?


Is there an updated solution for avidemux on Ubuntu 16.04


Parse error: syntax error, unexpected end of file in C:\Program Files\XAMPP\htdocs\lookup.php on line 116


Can I connect my Bluetooth earbuds to my Xbox One?

Can I connect a generic bluetooth headphone to Xbox One?


How to play sound in iOS app along with the music in background?

iphone app allow background music to continue to play


what is asymptotic behavior of $\sum \frac {1}{\sqrt[\alpha] k}$

Asymptotic behavior of $\sum\limits_{k=1}^n \frac{1}{k^{\alpha}}$ for $\alpha > \frac{1}{2}$


Determinant of a rank $1$ update of a scalar matrix, or characteristic polynomial of a rank $1$ matrix


Inquire the usage of article in this context

Do you use "a" or "an" before acronyms / initialisms?


Xubuntu 17.04 bluetooth unable to transfer files (transfer settings grayed out), gnome-user-share not an option

I Can't receive files via bluetooth on lxde


How do I upgrade to a newer version of Ubuntu?


What's the difference between JavaScript and Java?


Enhance Ability on multiple targets: same effect for everyone?

If a caster uses a higher-level slot for the Enhance Ability spell, can they specify different effects for different targets?


Android, how to implement a *real* multi select spinner?


Write/retrieve special characters ⓄⒼקร to Database


How to add the skype icon in EuropassCV? I am trying hard to add it but it's not working

How to add the Skype ICON in Europass CV?


Possible to create new Application Handler?


Reference request: there are only two integer solutions to $2^{2a} + 3^{2b} = 5^c$.

Positive integral solutions of $3^x+4^y=5^z$


Safari doesn't sort array of objects like others browsers

Why won't Safari 5 sort an array of objects?


Novel involving an inventor who frequently creates incidents, and a young boy who winds up being his assistant

Children's short story about material that accelerates away from gravity


How to quickly visualize polyline direction?

Showing directional line symbol in ArcGIS for Desktop?


$f (x) ∈ Q [x]$ is irreducible if $f (x - 1)$ is irreducible.

Show that a polynomial $f(x)$ over a field $k$ is irreducible if and only if the polynomial $f(x+1)$ is irreducible


Results of XML parsing start from the last & found in the

NSXMLParser don't get all the tag if the tag have accent


How to record desktop screen with audio?

How to Record Screen and internal Audio?


Converting hexadecimal string UTF-16 Perl internal representation

How can I decode UTF-16 data in Perl when I don't know the byte order?


The trace of a matrix is the sum of its eigenvalues

Can it be determined that the sum of the diagonal entries, of matrix A, equals the sum of eigenvalues of A


Net Force of Equal and Opposite Gravitational Forces Don't Equal Zero?

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


Could entangled particles be used for communication?

Is communication possible with entanglement?


Prove that the set $A=\{x\in\mathbb{R}:f' \text{ exists}\}$ is Borel whenever $f$ is continuous

Continuous functions are differentiable on a measurable set?


How would you define non-integer tetration?


What's the difference between PBKDF and SHA and why use them together?


Undefined control sequence error on empty line

Why does doublespacing using setspace have errors when used in a minimal documentclass?


How to determine the session id on remote machine for usage with psexec -i using script/powershell/...?


How to smooth shade an object while retaining hard edges?


How do I know the Y value when running the locate command?


Given a proper homogeneous ideal, is there always a homogeneous maximal ideal that contains it?

Homogeneous ideals are contained in homogeneous prime ideals


Taking in a File and Alphabetizing it in Java: NullPointer Exception

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


Adding Transparent Polygon to Map using ArcObjects?

ArcObjects - Create and Draw a Transparent Polygon


Updating factor levels while filtering R data.frames

Drop unused factor levels in a subsetted data frame


disable page prefix in KOMA-Script (scrletter)

How to avoid pagenumering with text in scrlttr2


Would it be better to hide the upvote and downvote buttons unless you can use them?

Remove vote UI elements beside own question and answer posts


Story about a student that does not learn like other students

Story where the protagonist is turned off from an automated system of professional attribution and instant learning


EXCEL: change the color of a cell at a condition

Color cells in Excel based on certain values


What should be the best index to create a foreign key?


Unable to format a write protected USB Stick

USB flash drive stuck in RO after DDing ISO


Entire function invariant by translation is constant

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


Constrained Optimization with an External Parameter


404 error for ne0sight PPA on Ubuntu 17.10

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


How to permanently increase the number of lines scrolled with the mouse wheel

Speeding up the mouse wheel in Ubuntu 18.04


Synaptic Package Manger is not launching in Ubuntu 18.04

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


Limit of $\lim\limits_{n\to\infty} (1 + \frac{x_n}{n})^n$


Activate Excel Add-Ins as part of Deployment?

excel - activate addin through a Group Policy object


Suspension not bouncy raleigh activator 2


Why can templates only be implemented in the header file?


Let $a, b, c$ be positive real numbers such that $abc = 1$. Prove that $a^2 + b^2 + c^2 \ge a + b + c$.


Show that every open set in ℝ can be written as a countable union of open intervals

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


Expressing Express $\lim_{n\to∞} \left(\frac1{n+1} + \frac1{n+2} + ... +\frac1{n+n}\right)$ using Riemann definite integration

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


In a group ring $R(G)$ is the center $R(Z(G))$?


GNOME: supend on laptop lid close no longer works since 19.10 upgrade


jQuery: Get the cursor position of text in input without browser specific code?

Get cursor position (in characters) within a text Input field


How search for similar images in the phone?


Connect through Finder with server, save permissions?

Built in FTP client (cmd + k) - can't upload files (Mavericks)


Installation of Ubuntu 18.04 from the .iso file downloaded from the site


Dynamically add properties to instances in Python

How to add property to a class dynamically?


Iterating HashMap of HashMap in JSP in a Spring Application


Does higher value of correlation between two values indicate it is good predictor?

Is using correlation matrix to select predictors for regression correct?


How do i make meshes separate from eachother?

Splitting pieces of a mesh into a new object


How do I install the ubuntu-restricted-extras package?


Is It possible to change audio format without re encoding in FFmpeg?

Recommended settings to convert Opus to AAC


How to recover important files from corrupted hard disk that keeps on loading

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


How to enable/install kernel-debuginfo linux-4.14.14 on amzn-linux?

How to compile the kernel with debug symbols?


Which terminal should I connect it to for a "C" wire when none are labeled "C"?

How do I identify the C terminal on my HVAC?


Changing the RAM of lenovo workstaion from 8GB stick to 32GB

How to find which RAM to get for my computer?


What is the difference between a customizable framework and a library?

What is the difference between a framework and a library?


Show that a proper continuous map from $X$ to locally compact $Y$ is closed


How can I install Microsoft Word & Excel in Ubuntu 14.04?

Install Microsoft Office Pro 2010 on Ubuntu 13.04


Difference between const char * and char const *

What is the difference between const int*, const int * const, and int const *?


How to convert 4 band GeoTIFF to PNG or JPEG using gdal_translate

Converting 4-band TIF to PNG while keeping all 4 bands?


Derivation of formula of potential energy by a conservative force

Force as gradient of scalar potential energy


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


If I have Extra Attacks, when can I decide which one is a sneak attack?


$f(f(x)) = \log(x) \forall x > 0$, what is $f$?

How do I construct a function $\operatorname{sog}$ such that $\operatorname{sog}\circ\operatorname{sog} = \log$?


How good is the International Journal of Pure and Applied Mathematics? (http://www.ijpam.eu/)

How to identify predatory publishers/journals


Assign Entire IPV6 /64 Subnet to Network Interface

Can I bind a (large) block of addresses to an interface?


Why is $R\cos{a} = mg$ in circular motion compared and not $R = mg\cos{a}$?


Eclipse DDMS not showing Emulator on restart


Proving upper bound for $\binom{n}{k}$ directly from given fact

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


how mysql query written in php to get json format output


Ranking two models based on ROC-AUC and PR-AUC


Arriving in Vienna the night before visa validity begin

Arriving at night before Schengen visa valid date?


software center has stopped working in ubuntu 14.04

"The package lists or status file could not be parsed or opened"


Anyone help give a counterexample when $\inf_{x∈X}(\sup_{y∈Y}F(x,y) )\le \sup_{y∈Y}(\inf_{x∈X}F(x,y) )$ is false

An example of a function which satisfies $\sup_{y}\inf_{x}f(x,y)<\inf_{x}\sup_{y}f(x,y)$


Given, $f(x)=f(2x)$ evaluate $\int_{-1}^1{f(f(x))}dx$

If $f$ is continuous with $f(x) = f(2x),f(1) = 3$, then what is $ \int_{-1}^{1}f(f(x))\,dx$?


Transer from file from Windows to Linux in WMWare

How do I access the host's hard drive in VMware?


"a wottle of bine", "a can of boot reer" and "holed and sealed" - What types of speech errors are these?


How to find summation of the series $1 + \frac {1}{3} + \frac {1\cdot 3}{3\cdot 6} +\cdots$


Why does python use two underscores for certain things?


Why wasn't Fluffy's chamber locked with anti-Alohomora charm?

What's the point of locked doors in Harry Potter?


How to install the latest g++(currently 5.1) in Ubuntu(currently 14.04)?


Preventing boredom creep with hobby projects

How can I effectively manage a hobby game project?


Why is there only one critical value in the Wald confidence interval


Names on ticket are in different order than on proof of ID - can I still get past airport security?

Is there any problem if the last name prints first than the first name on an air ticket?


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


Annotate math equation with text on arrows around the equation


Why can't a static method refer to an instance method?

Non-static variable cannot be referenced from a static context


Ubuntu/win 7 dual boot only boots to minimal grub prompt?

Ubuntu 12.04 (Wubi) not starting - root.disk corrupted


On which Stack Exchange site can I ask Windows-related questions?

Are there 'stack' sites for Mac or Windows?


Is the kernel of a map from a $\mathbb{Z}$-free module to an abelian group $\mathbb{Z}$-free?

Submodule of free module over a p.i.d. is free even when the module is not finitely generated?


Is the exchange of momentum between two interacting objects always the same?

Deriving Newton's Third Law from homogeneity of Space


Why we use parent reference to child objects?

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


Convergence of sums using Hilbert space techniques

If $\sum a_n b_n <\infty$ for all $(b_n)\in \ell^2$ then $(a_n) \in \ell^2$


android.view.InflateException: Binary XML file line #19: Error inflating class fragment

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


Why use spellotape instead of the reparo spell?

Why can't wizards magically fix clothing?


Some index files failed to download. They have been ignored, or old ones used instead ubuntu 16.04

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


Consider the set of all $n×n$ invertible real matrices. Is that set connected?


Why are the domains for $\ln x^2$ and $2\ln x$ different?


Are JavaScript strings immutable? Do I need a "string builder" in JavaScript?


Proxied nodejs site not loading over HTTPS in Apache

What causes the 'Connection Refused' message?


Why is the noun "brush-off" hyphenated when the verb "to brush off" is not?

Noun phrase converted to verb, is a hyphen needed?


Primefaces selectOneMenu listener not called with Objects other than Strings

Conversion Error setting value for 'null Converter' - Why do I need a Converter in JSF?


Detect if unsecured wifi network actually has internet access

How to check WiFi is pass through web page login?


Android class member, should I declare protected?

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


How do I adjudicate attempting to put manacles on an unwilling creature?

Are there rules for using manacles in combat?


5 Likert Scale and Normal Distribution prior to parametric testing


How do I filter a minimum and maximum salary for each seperate department?

How to select the max salary per department, including the employees that earn it


Stack Overflow: the cheating tool for programming contests?

A Flag to close Questions from ongoing Contest


Does a player character wielding a whip gain advantage if they are 10 feet away from the target?


Javascript heritage with .prototype vs constructor

Use of 'prototype' vs. 'this' in JavaScript?


Separate long math text under sum symbol into different lines?


How to get minutes interval of two dates PHP 5.2?

How to get time difference in minutes in PHP


How to get a web page's source code from Java

How do you Programmatically Download a Webpage in Java


Prove by induction $2^n > 2n+1$ for all $n \geq 3$

Prove that $ n < 2^{n}$ for all natural numbers $n$.


I wish my father "were having the stuff" or "was having the stuff"?


Display number of Div Elements based on dropdown-value

Show/Hide Div Elements based on dropdown entry


it crashed my browser or it has crashed my browser

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


What is the best approch to avoid ConcurrentModificationException in JAVA 8

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


Windows using full internet bandwidth continuously

How do I troubleshoot high 'svchost.exe' usage in Windows 7?


placeins in subsection not working as intended

In apa.cls [man] mode, how do you get the table to go with text?


What is the differences between pushtopics and platform events?

What is the difference between the Streaming API PushTopic, Generic Streaming and Platform Events


navigator.getUserMedia is not working in Salesforce Lightning Web Component


razor views are not giving compile time error


What are the names for Magic's different colour combinations?


How do handle a mutex with a loop correctly?

How to iterate over a container in a thread-safe way?


How can I recover my old Facebook account?


Where I can get a tablet with Ubuntu, or I could use Ubuntu on any tablet that meets requirement?

What hardware does Ubuntu Touch support?


Use a key which is the value of a constant in a hash in perl

Is there any way to use a "constant" as hash key in Perl?


For vector spaces $V,W$, probe that $\Lambda (V)\otimes\Lambda (W) \cong \Lambda (V\oplus W)$

Exterior power "commutes" with direct sum


Proof that if $R_{1};R_{2}=R_{2};R_{1}$ is a relation on a set $S$, then $R_{1}$ and $R_{2}$ are bijective maps

If $R_{1}$ and $R_{2}$ are relations on a set S with $R_{1};R_{2}=R_{2};R_{1}$. Then $R_{1}$ and $R_{2}$ are bijective maps


WD 5TB external HDD out of Mybook enclosure

Why is my USB drive showing corrupted data when plugged as an internal SATA drive?


How to straighten a bent derailleur hanger?


Why it is not possible to create directly an array of Functions in java?


Ubuntu 18.04: switch back to /etc/network/interfaces


Ruby - how different are modules from classes?


Proving that the Catalan numbers are integers .


Iterating through numbers by 0.01 adds .0000000000000001 after a few iterations


Substituting words in parenthesis using sed

How can I replace a string in a file(s)?


In Game of Thrones, does wearing someone's face change the wearer's body as well?

Do the Faceless Men take more than just a face?


How might we *naturally* lead newbs to the tag wiki?


Turkish characters are not displayed correctly


jsf (richfaces) readonly input text validation

Force JSF to process, validate and update readonly/disabled input components anyway


How can I make pokestops and gyms around me?


I'm looking for a delete confirm dialog for my express app

How to implement "confirmation" dialog in Jquery UI dialog?


Looping for vs foreach difference in iterating dictionary c#

In .NET, which loop runs faster, 'for' or 'foreach'?


Safely remove a USB drive using the Win32 API?


Prime spectrums bijection but not homeomorphism


How do I navigate between directories in terminal?


Why does Latex make a small adjustment when I change section color

How does changing colour affect spacing?


cant connect to wifi on ubuntu 16.04 with a wireless card


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


Multiplicative inverse in $\operatorname{GF}(2^8)$?


What is syntax highlighting and how does it work?


Ubuntu won't find any wifi near me to connect to


Squeeze/Sandwich Theorem Involving $n^{th}$ root: $\lim _{ n\rightarrow \infty }{\left(3^n+1\right)}^{\frac 1n}$


Ubuntu16.04 boot to black screen hp pavilion


What am I missing about the paradox between relativity and quantum mechanics?

A list of inconveniences between quantum mechanics and (general) relativity?


creating a core class that extends another core class codeigniter

Codeigniter extending extended MY_Controller


Setting a document in MS Word-12pt (12bp)


Converting an Overleaf document to a Wordpress post

Convert from LyX/Latex to wordpress post


No option to edit profile via the mobile app

Please let me edit my profile in Mobile theme


How to switch from List of rules to Association?


Is there an easy way to fly back to the previous system?

How do I find a previously discovered system?


how to push an element at index 0 of an array

How to insert an item into an array at a specific index (JavaScript)?


Graph of the output Vo for a given Vi in a diode circuit explanation


EM Radiations, wavelength and Wein's Law of Displacement

What causes a black-body radiation curve to be continuous?


Is there a way to make a block wrap from the column 1 to the column 2?


Recover data from hard drive with partitions (but not most data) overwritten


Uncaught TypeError: undefined is not a function (anonymous function) in Wordpress

TypeError: 'undefined' is not a function (evaluating '$(document)')


Natural number solutions to $\frac{xy}{x+y}=n$ (equivalent to $\frac 1x+\frac 1y=\frac 1n$)


How to stop the jump when clicking on an anchor link?

Avoid window jump to top when clicking #-links


.NET Framework Time complexity in the documentation

Asymptotic complexity of .NET collection classes


How to read one filesystem from a whole disk image file?


Get amount of reserved memory from an array

How to find the 'sizeof' (a pointer pointing to an array)?


How do I hide an element when printing a web page?


How can I protect a terminal command with confirmation?

How do I prompt a user for confirmation in bash script?


How can I search and install Windows Updates through the command-line?

Can I get more information on what Windows Update is doing?


Skip duplicated records that have same value for same property

LINQ's Distinct() on a particular property


The best way to combine two m4v files on Catalina


Delphi - can't supress JavaScript error dialogs using IWebBrowser2 in a multi-threaded application

Disable script debugging in IWebBrowser2 OLE control? C++


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


restrict/limit Google Maps marker position

Setting Boundaries around city in google maps


Converting minutes to HH:MM format in Python


Help installing Linux on Samsung Chromebook Plus


Is work done by a person while walking negative?


prove that if $k|m$, $\mathbb{Z}_m$ has a subgroup of order $k$

Prove that if $k\mid m,$ then $Z_m$ has a subgroup of order $k.$


date() function is not returning proper time


how to install google chrome from terminal

How to install Chrome browser properly via command line?


Difference $('div').on('click'... and $(document).on('click', 'div'

Difference between .on() functions calls


Is it possible to publish an app based on a board game?

How closely can a game legally resemble another?


Spotlight search stopped suggesting my frequently-used app

Single application not showing up in Spotlight


How to convert a string to an integer in C++

Converting string of 1s and 0s into binary value


Why identify the Lagrangian as kinetic energy minus potential energy?

Is there a proof from the first principle that the Lagrangian L = T - V?


How can I get the specific value after special characters

How do I split a string, breaking at a particular character?


Pronunciation Deleting /t/ Between Consonants


Can i use "int" instead of "extern" int in another file?

Global variables in C are static or not?


How to pass a parameter to this add_filter example

Passing a parameter to filter and action functions


What is the point of using a named function expression?


What does it REALLY mean for a metric space to be compact?

What should be the intuition when working with compactness?


An example for $m^{*}(\bigcap_{k=1}^{\infty} A_k) \ne \lim_{k \to \infty} m^{*}(A_k)$?

General property regarding outer measure for a nested sequence of sets (measurable or not).


How should I go about doing regression with a series of exponents involved?

how to select the best non-linear model that represents the data?


Why doesn't Superman lose his powers at night?

Does Superman have super powers outside of our solar system?


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


How do I check if a given string is a legal/valid file name under Windows?


How can I be more visible to have an answer at my question?

How do I get attention for one of my own questions without a good answer?


DATA RECOVERY from a NTFS formatted disk

How to recover data from NTFS partition that was made into a Swap partition?


How to check that KPTI is enabled on my Ubuntu?


Can one PC be used by two users at the same time via dual-monitor?


Starting errors - "The root file system on /dev/sda1 requires a manual fsck"

fsck error on boot: /dev/sda6: UNEXPECTED INCONSISTENCY; RUN fsck MANUALLY


Can I trust a hard drive that has had to reallocate sectors?


Error: Could not start the command: pdflatex.exe -synctex=1 -interaction=nonstopmode "texstudio_lN2796".tex

New installation – TeX editor says: "Error: Could not start the command"


Can employees please provide some indication that a lower-priority request is being looked into or has been internally reported?

Can we have a guaranteed pipeline for responses from Stack Exchange?


Variables in JavaScript: An error arrives

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


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


How can I auto adjust an align to appear in the entire page?

How can I split an equation over two (or more) lines


How many app can we upload on Play Store from single account

Is there a limit on how many different apps can single developer publish on Android Market?


Splitting strings into into arrays then using them in an if statement in Java


How does electricity 'decide' on it's pathway?

Electricity takes the path of least resistance?


how to protect a folder using password in ubuntu 20.04


How do I style the TOC in a beamer template?

How to create a fancy table of contents for Beamer


Can I get into a top 50 school with a bachelors degree from an unknown state college?

How handicapped am I in graduate admissions if I graduated from a lower tier university?


Can't boot into WIndows 10 after installing Ubuntu 18.04

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


iam trying to make a currency converter app

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


How can I create a template of this boat deck out of a photo?

How To Find Out Exact Angle Measurements of Object in Photo


How do you link to applications in the Android market?

How to post a link to an android market app?


Can’t set manual focus on distant objects at night

How can I find infinity focus on a kit lens with no markers?


Unable to access external hard disk "unknown filesystem type 'exfat'"

Mount error: "unknown filesystem type 'exfat'"


Simple way to find determinant of a given matrix

Determinant of a rank $1$ update of a scalar matrix, or characteristic polynomial of a rank $1$ matrix


Is there a difference between " " and ' ' when printing something?

Single quotes vs. double quotes in Python


Possible to constrain generic type to enums?

Create Generic method constraining T to an Enum


Why should the interface for a Java class be preferred?


Is there BitTorrent software that runs in a terminal?


Dope sheet editor. What does the orange line between keyframes mean?

What do the bars between keyframes mean?


SELinux preventing Apache from writing to a file


Why the C++ used in Borland is so different?


Unable to instantiate service > java.lang.NullPointerException

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


Query: how to recompile the python file or overcome the cached version (.pyc)

How do I unload (reload) a Python module?


How to pluralize a last name like Thomas


What's the difference between a bijection and an isomorphism?

Difference between bijection and isomorphism?


How to convert an NSString into an NSNumber


List append VS. += getting UnboundLocalError in inner function

Python: Difference between list.extend and list.__iadd__


Logistic regression of both ordinal response and explanatory variables

Multinomial logit regression with ordinal independent variables


Should individual letters be preceded with "an"?


Obtaining Specific ABSource from ABAddressBook in iOS 4+


Linq To SQL takes too much time while stored proc takes no time in SQL Server 2008

SQL Server query runs slower from ADO.NET than in SSMS


Why does Rails 3 think xE2x80x89 means â x80 x89


IntelliJ (Git) - cleared stash and recovered it


How can I keep muted when unplugging headphones?


How to Zip and Unzip a directory and its files in Linux

How to unzip a zip file from the Terminal?


Construct new table by dropping rows that don't have highest "priority"


The EXECUTE permission was denied on the object 'zzzzzz, database 'xxxxxx' schema 'yyyyyy',

The EXECUTE permission was denied on the object 'xxxxxxx', database 'zzzzzzz', schema 'dbo'


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


SQLite update query - subquery with aliases doesn't work


On Conjugacy Classes of Alternating Group $A_n$


Undergraduate/High-School-Olympiad Level Introductory Number Theory Books For Self-Learning


Command to check whether the current user has write permission

Checking for a file and whether it is readable and writable


How are passwords to listen in on the magical radio show "Potterwatch" protected?

Why is Potterwatch's security like this?


How do software versions are ported (or not) in a LTS version?

What's the difference between a Long Term Support Release and a Normal Release?


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


$A \bigotimes \mathbb{Z}_m \cong \frac{A}{mA}$, I need help with tensors!

Proof of $(\mathbb{Z}/m\mathbb{Z}) \otimes_\mathbb{Z} (\mathbb{Z} / n \mathbb{Z}) \cong \mathbb{Z}/ \gcd(m,n)\mathbb{Z}$


Derivation of conditional expectation and variance of the AR(1) process

Conditional expectation in AR(1) process


How to restart service when it get stopped in Linux


Mail is marked as spam by gmail - no idea, why

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


How to check that variable is a lambda function

How do I detect whether a Python variable is a function?


Can't remotely play music to iPhone since update to WatchOS 4

How to play music on iPhone via Apple Watch on watchOS 4?


How do I replace the stem of an outdoor frost-free faucet?

how to remove frost free outdoor faucet drain valve assembly


Can a Mac boot when the right shift key is broken in the pressed position?

Keyboard key stuck or not being recognized; how to fix


Notify when my question has been linked from another question


Redirect traffic of a domain with lmhost or CNAME

My public website name and AD domain name are the same. How can I get to my external website from inside my network?


Autocomplete and Information icon missing

Mathematica notebook autocompletion completely disappears


How can I estimate a principal component from incomplete data?


Duplicating active layer and adding definition query using PyQGIS?

Duplicating layer and applying filter using PyQGIS?


the tilde key is mapped incorrectly; what setting do ineed to change to fix it?

Key '@' (Keycode 49) and key '<' (keycode 94) are inverted on macbookPro keyboard


What does the < (left chevron / triangle bracket) do?

What are the shell's control and redirection operators?


Prove that there are uncountably many surjective functions f : N → N

Are there uncountably many surjections from $\mathbb N$ to $\mathbb N$?


converting a date in ruby to a customised format

In Ruby on Rails, how do I format a date with the "th" suffix, as in, "Sun Oct 5th"?


Change Activity toolbar Title from fragment

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


Multiple conditions for new field return NULL value in QGIS when using field calculator

Creating Conditional Statement in QGIS Field Calculator


How to append to /etc/hosts file from the termimal?

How do I use sudo to redirect output to a location I don't have permission to write to?


Why is Minecraft giving an OpenGL error?


Comparison operation on unsigned and signed integers


How can I tell If a file is NTFS encrypted?

Use Linux to read contents of Windows encrypted folder


Why can't an argument for the Riemann Zeta function be 1? What happens if we take Re(s)=1?

Proof that the harmonic series diverges (without improper integrals)


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


Downloading Maven Eclipse Plugin ( m2e plugin)


Ubuntu 15: after installing and configuring java, echo $JAVA_Home is working, Java -version is not working

How can I install Sun/Oracle's proprietary Java JDK 6/7/8 or JRE?


Where does Google Chrome store the "Manage search engines" settings?

How can I share my Google Chrome search engine entries?


Let $X, Y, Z \sim N(0, 1)$ and are independent. How to show that $\frac{X + ZY}{\sqrt{1 + Z^2}} \sim N(0, 1)$?

Finding distribution of $\frac{X_1+X_2 X_3}{\sqrt{1+X_3^2}}$


Nagging users to award a bounty when they can't

Do we need email for bounties that can't be awarded?


Unable to fix 'The object cannot be deleted because it was not found in the ObjectStateManager.'


Flash disk capacity turns from 32GB to 4MB


Simulating survival times following a Weibull (or lognormal) distribution with ?% of right-censored observation


Redirecting *.aux, *.log files, with a command in the tex file

Is there a way to configure pdflatex to make all but the .tex and .pdf files hidden files?


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


How to convert a currency string to a double with jQuery or Javascript?


How to find the 'sizeof' (a pointer pointing to an array)?


bit shift multiplication in c not using powers of 2

How can I multiply and divide using only bit shifting and adding?


Prove the set-theoretic identity for sets A and B: {2,2,2}={2}

$\{1,1\}=\{1\}$, origin of this convention


Showing group with $p^2$ elements is Abelian


Is it necessary to cement down parimeter pavers when laying a paver patio

What type of substrate should I use to install pavers over an existing poured slab patio


node still present even after setting it to null

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


Is there Any Nomenclature for names of circuit components?

Is there some logic in IC name prefixes?


Is there a table that includes all of the magic items sorted by rarity?

Where can I find a list of Magic Items by rarity?


jQuery functions for content inside the iframe

Invoking JavaScript code in an iframe from the parent page


removeAttr doesn't remove disabled attribute in Firefox

removeAttr() not removing "disabled" attribute in IE


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


With CSS, use "..." for overflowed block of multi-lines


Deleting Grease Pencil and grease pencil usage showing up in the Timeline

Is it possible to not create keyframes automatically when drawing with Grease Pencil?


How to include non ARC farmework in ARC enabled project in iOS


How to convert milliseconds to "mm:ss:ms" format?

How do I time a method's execution in Java?


Half of my disk space is assigned to Ubuntu. How can I move some to Windows?

Why I'm seeing a lock besides the partition I'm trying to modify with gparted?


What does "divided highway" written on a white regulatory sign mean?


Copying steam game data from one computer to another

How to get steam to recognize game files downloaded on another machine?


How can I rank my games by number of achievements remaining?

Is there a way to see all Steam achievements in one account?


Project Euler - 34 / Find a mathematical approach for upper bound


"Monkey Test" app is always downloaded every time I am online

How to stop "Monkey Test" and "Time Service" apps


Why is $\pi$ irreducible in $\mathbb{Z}[i]$?

In a integral domain every prime element is irreducible


I recently installed Ubuntu to a USB drive and I can't get back to Windows

Accidentally removed windows when dual booting (Ubuntu re-install wiped partitions)


Example of infinite field of characteristic $p\neq 0$


error in SMOTE function for categorical data

R: Trouble using SMOTE package "invalid 'labels'"


The "How to Ask" page might lead new users to ask their programming questions here. How can we deal with that?

What can we do to prevent people from posting their coding questions on Meta?


Transforming EC public key X and Y-sign into X and Y

ECDSA Compressed public key point back to uncompressed public key point


The Number of different $n \times n$ Skew-symmetric matrices with each element being equal to either $0$ or $1$ or $-1$

Finding the no. of possible matrices given the order and limited no. of entries


How to sort a list in python based on internal list?

Sorting and Grouping Nested Lists in Python


How can I kill a process with a phrase in its name?


How can I insert a chart into a Google Docs document?

How can I embed a chart from a Google Spreadsheets in a Google Doc?


Find all real numbers $x$ for which $\frac{8^x+27^x}{12^x+18^x}=\frac76$


Python 3.4: Function unexpectedly redefines its input

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


How do you install Ubuntu on a partitioned drive (B:)?

How to use manual partitioning during installation?


how can i get the page number or value on this method


destructors of base and derived classes c++


Difference between the pronunciations of "The"

What is the correct pronunciation of "the"?


How can I use vertex colors as an input in my material?

How do I set a vertex color material in Blender 2.8?


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


Density and distribution functions of X + Y

Density of sum of two independent uniform random variables on $[0,1]$


If $f$ is a contraction map and $X$ is compact, show that there exists a fixed point


Can I use lenses from EOS-3 film camera with Canon EOS 7D?

Can the EF lenses of a Canon EOS film camera be used on an APS-C digital EOS camera?


How to move files out of subdirectories with given extension recursively to a destination-folder?

Recursively copy files from one directory to another


Working with binomial coefficient $\sum_{k=0}^n (-1)^k \binom nk=0$

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


Source: If $f \in L^2$ , then $\hat{f} \in L^2$ and $2\pi ||f||_{L^2} = ||\hat{f}||_{L^2}$, where $\hat{f}$ is the fourier transform

Step in the Stein's proof of Plancherel Theorem


Is there any way of making a Minecraft server lower than the current version?


How to get a clean installation copy of mac os High Sierra

How can I download an older version of OS X/macOS?


Creating 700 m x 700m grid in ArcGIS for Desktop?

Creating grid to divide large map into smaller sections using ArcGIS for Desktop?


Can CSS choose a different default font and size depending on Language


What is pressure at microscopic level in a liquid? how can I imagine it?

Microscopic interpretation of pressure in liquids


How can I get rid of "Trojan:Win32/Manrele.G!cl"?

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


What do infinitives mean in news headlines?


Determining function name from within function

How to find the name of the current function?


Looking for proof of formula in WolframMathWorld article

How to prove those "curious identities"?


Is "performance" singular or also plural?


some characters that need to use '\' before them to delete


Why Can't Palpatine and Maul use the Force to stop themselves from falling?


Using a Sony E mount lens on a Nikon body?

Can I use lens brand X on interchangeable lens camera brand Y?


Displaying null fields as 0 in mySQL select

Find which date is missing in the results


What is the proper structure for the sentence "Whose dog does this ball belong to?"

Who do I need to send product information to?


turn off find my iphone without apple ID password


Chage font to Times New Roman in pdfLatex

How do I make my document use the Times font, both for the text and the math?


How do I put an image texture on a material in Cycles?


Prove, that $ K $ needn't be normal subgroup of $ G $


Why is Pentium 4 Prescott slow compared to Pentium M?

Why are newer generations of processors faster at the same clock speed?


Null pointer exception when calling setOnClickListener()

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


How can I allow packet forwarding via Windows Firewall?

How can I enable packet forwarding on Windows?


What to do when Ubuntu support ends? How do you port your data to a newer version of Ubuntu?

How do I decide what version of Ubuntu to install?


Java Arraylist remove method takes Object as parameter, not E

Why aren't Java Collections remove methods generic?


Can we please stop adding notifications you have to dismiss on every single site separately?


How to detect when an AVPlayerItem is finished playing?

How to detect when AVPlayer video ends playing?


Talking Thermostat also saying "two sixty four"

VT1001 talking thermostat has started saying “two sixty four”


Link to crossref in bibliography with biblatex

For child entries with crossrefs, how can I instruct biblatex to output only a reference to the parent entry in the bibliography?


Conservation of Angular Momentum in case of rolling with sliding

Is Angular momentum conserved in Impure rolling


Color coded plots with colorbar in pgfplots


combine two file data having same column 1 but different col 2 values

How to merge two files based on the matching of two columns?


TAB press for auto-complete does not work for some service names

Why don't custom upstart job names tab complete in the service command?


Using a date for a datetime field in a SOQL Query


Fantasy series set in World War I Europe featuring an aristocrat mage

Help: Fantasy magic book series male genius similar to Name of the Wind


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


Weird limit $\lim \limits_{n\mathop\to\infty}\frac{1}{e^n}\sum \limits_{k\mathop=0}^n\frac{n^k}{k!} $

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


To tell about a guess about a case in the past, why use "would+have+past participle" instead of "must+have+past participle?

"Would have" in texts describing history


How to remove the empty space in the Nautilus context menu?

Did I find a (little) bug (empty space in the Nautilus context menu)?


Unable to Mount 128GB Micro SDXC Storage Card


My internet speed wont run at 1.0 Gbps on my Realtek PCIe Family Controller

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


Is it possible to export a single object from an entire scene?


Reference - What does this error mean in PHP?


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


Given a Fourier series $f(x)$: What's the difference between the value the expansion takes for given $x$ and the value it converges to for given $x$?


Virtual Assistants: A drain on the community?


Getting the average value of the list items value

Calculate the average value of an array from sharepoint listitem


Undefined reference to constructor in a generic class?

Why can templates only be implemented in the header file?


No Sound (Dummy Output) error Ubuntu 19.10


why does sh -c over ssh discards the first command


The divisibility of a particular case of $\binom{x}{y}$ (when $(x,y) = 1$)

How can we prove that a binomial coefficient $n\choose m$is divisible by the ratio of $n$ and $\gcd(n,m)$?


Precise back-reference target with hyperref and backref


Self-references in object literals / initializers


If a Hilbert space is linearly isometric to a Banach space, will the Banach space be a Hilbert space?

Existence of a $\mathbb C$-Banach space isometric to a Hilbert Space but whose norm is not induced by an inner product?


Alternatives for using "#" in href attribute

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


Frame Number does not Work since Ubuntu Update

Missing frame numbers with PaloAlto theme


ArrayList not received from one Fragment to another using bundle and Parcelable

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


`.TXT` file association to Notepad++ "stopped working"

How can I make Notepad++ default program for `.txt` files?


CentOS 6.4 : Cannot login as root ssh anymore


What is the reason behind calling $\emptyset$ improper subset of any non-empty set.?

Is the void set (∅) a proper subset of every set?


What i am doing wrong here . and if i am correct then can any one explain to me how $1=-1$


What is the ᴄᴏʀʀᴇᴄᴛ English pronunciation of a character pointer in C-like programming languages?

How to pronounce the programmer's abbreviation "char"


Solve $\int \limits_{0}^{\infty} \frac{\cos(x)}{\cosh(x)} dx$ without complex integration.


Xfce4 create new document, remove history

What is the "Templates" folder in the home directory for?


How to specify the null hypothesis in hypothesis testing


How to modify the headers of this book to lower case?


Removing trailing slash from ALL URLs in site


Why does parseInt yield NaN with Array#map?


What can be the possible rank of adjoint of matrix of order n?

Is adjoint of singular matrix singular? What would be its rank?


Converting string with UTC offset to a datetime object

Parsing date with timezone from an email?


Firefox NOT WORKING after Synaptic installed 67.0

Internet is working, but Firefox 67 browser cannot connect after update


Something weird is going on with my login on at least one site


prove that $\phi(xy) =\phi(x)\phi(y)$ for any $x$ and $y$ with $(x, y) = 1$.

What's the proof that the Euler totient function is multiplicative?


What is the indefinite integration of zero?


What does * * * * * (five asterisks) in a cron file mean?

Why is my crontab not working, and how can I troubleshoot it?


issue calling jquery function from javascript

How can I make a function defined in jQuery.ready available globally?


How do I switch monitor focus with the keyboard?

Keyboard shortcut to switch focus between multiple displays on OS X 10.9+


How to set up a chinese made game controller in windows 8

How can I use controllers with FIFA 13 on the PC?


Java generics type erasure: when and what happens?


How does using the tilde work as a shortcut to my home directory?


CentOS 7.0 - what kernels can i install ? yum does not show all


Synonym for competitive that has negative connotations

Is there a single word that is a more vicious connotation of "competition"?


Does lightning bolt trigger wrath of the storm?


validating an email with regexp multiple conditions

How to validate an email address using a regular expression?


Enumerate over all properties of ViewData.Model

Enumerating through an object's properties (string) in C#


How can I make text just an outline and not filled?


Prove convergence from $|\sum_{k = 1}^n a_k |\leq \sqrt{n}$

Does $\big|\sum_{k=1}^na_k\big|\leq\sqrt{n}$ imply the convergence of $\sum_{1}^\infty \frac{a_k}{k}$?


maximum subarray of an array with integers


Google currency convertor API always showing me 0

How do I get currency exchange rates via an API such as Google Finance?


Can you help me with my software licensing issue?


Internal linking in 2D arrays initialized using [0]*n

List of lists changes reflected across sublists unexpectedly


Check if value in array (include is not a function)

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


Best way to make Java's modulus behave like it should with negative numbers?


How do you animate image texture materials in blender cycles with keyframes?


how to convert base 64 encoded public key (.pem) to byte array using openssl?


How to Convert 0 to 10V analog signal to 0 to 2.5V for ADC input?


Why does an aeroplane appear to be moving slowly?

Why does a plane look like it's slower than a car?


PyQt window created within a class __init__ does not display

Understanding Python super() with __init__() methods


What is the largest number whose first digits can be calculated?

Which is the largest power of natural number that can be evaluated by computers?


How to offset the center point in Google maps api V3


Indian passport expiring - Travel to Canada

US Green card holder with Indian passport expiring in 4 months planning a short weekend trip by road to Canada


Does factor-wise continuity imply continuity?


In Ubuntu 20.04 Desktop what does "Encrypt the new Ubuntu installation for security" actually encrypt?

What are the advantages/disadvantages of the new encryption feature in ubuntu 13.10


My laptop fan is making a rattling sound


Calculation of mean and standard deviation of raster data in R?

Calculation of mean and standard deviation of raster images in R


bibLatex alphabetic style, maximal authors alphabetic style


BibTex problems in revtex4-1; No citations showing


Confused about __str__ on list in Python


Make if statment not care about capitalisation

How do I do a case-insensitive string comparison?


Creating QGIS copy-paste features between two layers using PyQGIS?

Copying and pasting features using PyQGIS


convert lapply results to single data frame in r

Combine a list of data frames into one data frame by row


In the definition of limit why delta depends on epsilon ? why not epsilon depends on delta?

Why can't epsilon depend on delta instead?


Looking for short story or novelette written mid century dealing with the pitfalls of time travel

Time Traveler steps on a butterfly, changes everything


nullpointerexception while implementing priority queue with nodes

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


Best way to parse RSS/Atom feeds with PHP


How should I handle "real time" events in an online strategy game?

Implementing the "earn resource every N seconds" mechanism common to F2P games


How find if a number is the sum of 2 perfect squares?


How long does it take to send a postcard from Germany to China

Is there any way to find out what happened to a post card sent from other country?


How to make PXE boot auto detect monitors and setup dual monitors


NPE in a do/while loop due to EOF...catching the EOF earlier to avoid the NPE


Converting code from Matlab to Mathematica


Classification of groups with $2021$ elements


Where are addresses from the network 0.0.0.0/8 used in practice?


How do I eliminate the vertical realignment when using arrayrulecolor with cmidrule?


Conjugation of a group: what is it and where does $g⋅a = gag^{-1}$ play into it?

Intuition behind conjugation in group theory


Why is the work done by a rocket engine greater at higher speeds?


Which one is correct? "cancelled" or "canceled"


How can I get the % height of an element (not the px) with javaScript?

How do you read CSS rule values with JavaScript?


A square matrix in the reduced row echelon form

Why can the row-reduced echelon matrix $R$ only be identity matrix?


Is there any software exactly like Adobe Dreamweaver that works with Ubuntu?

Basic Web Development IDE/Editor like Dreamweaver?


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


While updating the ubuntu 16.04 does not have a Release file Error

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


Capturing details from EMAIL to FORM using the PRIMARY KEY

Clarification - AttributeValue with CloudPagesURL


Scope of variables within a Manipulate expression


Converting generic.list to ArrayOfInt for transmission over SOAP to web service

How to pass a List to a service reference (C#, VS2008)


How to restore a database from the SQL 2008R2 log?


Exeception on After Insert, Record is read only


Prove that $d(x,M)=\frac{|\langle f,x \rangle|}{||f||}$

Orthogonality Relations Exercise, Brezis' Book Functional Analysis


Google location history wildly inaccurate

Google Maps Location History is showing an incorrect location


What does it mean to say that a neural network was "fine-tuned end-to-end"?

What does "end to end" mean in deep learning methods?


How can I trigger a command when a player is hit by a Snowball?


configure ToggleShowDesktop in Openbox to only act on specified layer


Modifier Properties don't show up for a collection


How to prove isomorphisms of quotient rings


Open HTML file with Google Chrome using command-line

Create a Terminal command to open file with Chrome


Multiple choice type question on inequality

Let $x$ be a positive real number. Inequality problem with $\pi$ and $x$ terms.


How do you make a string lowercase (the easy way)? (C++)

How to convert an instance of std::string to lower case


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


How to write URLs that are not automatically linked?

How to avoid the creation of automatic links?


What is the linux-image-extra package for and do I need it?


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


Renaming large number of image files with bash

How do I easily rename multiple files using command line?


“Intel Wireless-AC 9560 : This device is not working”, Even when I am able to connect through Wifi perfectly

Abnormal behavior with iwlwifi driver: the device is shown as not working


How to plot trajectories of the Rossler System


Evaluating $\int P(\sin x, \cos x) \text{d}x$


How to animate an object to revolve around a fixed point in blender?


Adding reject reason when choosing to reject suggested edit

Pending approvals: allow for adding reasons to rejections


Accessing a function through a pointer after setting the pointer to null

Accessing class members on a NULL pointer


What's the purpose of memory alignment and why I do need it?


Inserting a description in mysql database with HTML entities - php


Is there some extension to add color labels to the file manager? I use Ubuntu 18.04 LTS

How to apply Mac like 'labels' on nautilus?


One capturing group in regex but javascript still returns an array

How do you access the matched groups in a JavaScript regular expression?


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


Why can't I use System.IO.File methods in an MVC controller?


Communicating with class in a different process

What is the best choice for .NET inter-process communication?


Error in scraping Instagram public videos and photos using Jsoup

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


Is there a canonical metric for a Lie group manifold?


Is it possible to store user's crontab in user's git repository on OpenBSD?


Sample all the elements at least once, with replacement

Coupon Collector Problem with Batched Selections


How to create massive image mosaic/collage?

How can I take hundreds of smaller images and create one big tiled image?


How can I see what ports are open on my machine?


How do commitees evaluate candidates from foreign / unknown universities?

How handicapped am I in graduate admissions if I graduated from a lower tier university?


New reopen queue offers the same questions the next day


Python: x = "p", why does x[:-2] return an empty string instead of "p"?


find Fourier transform on this given function the function is: $f(x)=e^{-\alpha x^2} , \alpha > 0$

How to calculate the Fourier transform of a Gaussian function?


imagecreatefromjpeg and similar functions are not working in PHP


What does "load" mean and what are the different types?


Drag'n'drop files Desktop  File manager with 20.04 LTS doesn't work ; it worked on 18.04 LTS

Basic desktop actions are not available on Ubuntu 20.04


My program never ends even after the"break;" statement is fulfilled


If $a_{n+1}/a_n\to\ell$ show $a_n^{1/n}\to\ell$


Javascript regex: How do you get the substring match while using match()

How do you access the matched groups in a JavaScript regular expression?


How to query in such a way that values becomes columns?

Mysql Pivot rows into dynamic columns with unknown number of columns


I need a program like Microsoft silverlight?


How to create gnome-terminal as a child process of my process

Run true multiple process instances of gnome-terminal


command | grep | awk save into a variable or execute it as function

Why is my Bash script returning a syntax error?


App Crashing - java.lang.IllegalStateException: Could not execute method for android:onClick

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


How might I schedule a C# Windows Service to perform a task daily?


Is there an SMP Server Command to change weather conditions?


Text wrap with shapepar (insert image between text)


Any free software for creating paid WIFI hotspot?


Javascript defining method using this V/s prototype

Use of 'prototype' vs. 'this' in JavaScript?


someone who can't admit mistakes or is always right? slang

Word for someone that always has to be right


Which Content Management System (CMS)/Wiki should I use?


KL divergence vs Absolute Difference between two distributions?

Intuition on the Kullback–Leibler (KL) Divergence


Is there any way to detect file type and open it with GUI in terminal in Fedora?

Is there an "open with" command for the command line?


How to make a developed app for iPhone5 to work on older iPhones (Screens)

How to develop or migrate apps for iPhone 5 screen resolution?


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


Why is there a Swedish English keyboard Windows 10?

Can't remove unneeded keyboard layouts - no such setting anywhere


Preventing single letter italics within a string

How to make a letter bold or script-like by latex when plotting labels?


Is this grammatically correct- "My husband came running when he heard me call out for help."

Non-finite clause complementation of complex transitive verbs


How to change directory according to the username?

Is there a portable way to get the current username in Python?


Apostrophe breaking insert query in SQLite in Titanium


Error installing virtualbox-6.1 dpkg error

How to let `dpkg -i` install dependencies for me?


Which dependency injection lifetime should be preferred?

What are drawbacks or disadvantages of singleton pattern?


Passing an object (message and image) using AJAX

How can I upload files asynchronously with jQuery?


Batch "resize" JPEG images to a fixed file size


How do I access a PHP object attribute having a dollar sign?


How to create a map-like (clouds) texture

How do you generate tileable Perlin noise?


Book title with a harsh alien world and buoyant balloon-like beings

Science Fiction novel or novels about starship that becomes a god, colonizes hostile planet


duty free from UK to EU country during transition period

Flying EU to UK to EU. Can I get duty free alcohol?


How to automatically crop white space from multiple images?

What is the best way to auto crop bulk images?


Adjusting object keys after deleting key

Deleting array elements in JavaScript - delete vs splice


Reference template variable within Jinja expression


How to resize a screenshot image on a Mac so that it is "regular size" when posted on the Internet?

How can I stop my retina display from taking 2x sized screenshots?


How can I install Ubuntu without removing Windows?


How do I easily rename multiple files using command line?


In JavaScript, what's the difference between myArray.length = 0 vs myArray = new Array()?

Difference between Array.length = 0 and Array =[]?


How to add additional options to preexisting panels in your addon


Why is scanf not working as expected when writing to a string literal?

Difference between char *str="STRING" and char str[] = "STRING"?


When do I use "was" and when do I use "were"


Why are Unbreakable Vows not used more in the Harry Potter Universe?

Why isn't Unbreakable Vow used extensively as a common-place high security measure?


"there is no such" vs "there is no such a..."

Can there be no 'a' between such and a noun?


Prevent displayport disconnection when MBP sleeps

Display connected via DisplayPort disconnects, reconnects when resuming, resizing windows on display


VIRUS on hp laptop.. win 10, hp pavilion gaming notebook

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


How are zero-length arrays in a structure useful?


Call change event of an input programatically

How do I programmatically force an onchange event on an input?


"The following packages have been kept back:" Why and how do I solve it?


What do indexed mean in 'indexed family' in set theory?

What is the difference between "family" and "set"?


Relation between the number of support vectors and the value of parameter C

SVM: Why does the number of support vectors decrease when C is increased?


Medicating Uvula resulted in making the tongue fall out

What is the problem that gets worse after you try to solve it?


Hot Network Question's icon should go its community front page

Let's make the hot network questions icons clickable


What happens to spells cast from Nightveil Specter's ability?


what's is going wrong with this loop condition?

How dangerous is it to compare floating point values?


Changing Engineering Specialisations after Undergrad

Graduate school admission with a degree in a different field


What is the geometric interpretation of reverse triangle inequality?

How to visualize Reverse Triangle Inequality $||\mathbf{a}| − |\mathbf{b}|| ≤ |\mathbf{a} − \mathbf{b}|$?


Exporting model to Python script using QGIS?

Why "Export as Python script" button is unaccessible in QGIS 3.0/3.1 Modeler by default?


Can YouTube/Vimeos adapt their height to width (CSS)?

Shrink a YouTube video to responsive width


new entity with entity metadata wraper and multiple collection fields, how set a first new collection field ?

create entity with entity_metadata_wrapper and set Date value


"Unable to locate package" while trying to install packages with APT


How to create files named 'a to z' - any trick?

How do I make multiple directories at once in a directory?


"Real": adjective or adverb? "Real" or "really" as an adverb?

Can "real" be used as an adverb to describe an adjective?


Music app crashes when i added 2 more songs and clicked on it

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


Installing pure android to Huawei Ascend P6

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


Align image at the bottom of text and have that text surround the image at the same time

How can I wrap text around a bottom-right div?


Convert a character digit to the corresponding integer in C


Adding "all capitals in the question title" to the quality filter


Is it possible to generate an electronic schematic automatically, and are there any tools to do this?


Which countries count for the 90-day limit in the US Visa Waiver Program?


Ubuntu 18.04 boots forever, how can I check systemctl?


find a substring in a string then extract everything after that word including the word found

What special characters must be escaped in regular expressions?


If correlation does not imply causation, then what will it take to infer a causal relationship?


Grammatical rules pertaining to 'number shifts'

Subject/Complement Agreement. How to describe problem with "The thing is the objects."


Spacing off in Achievements pull down menu on mobile web

Weird spacing on mobile web Achievement drop-down tab


how to json_encode data containing utf-8 characters


Why ConcurrentModificationException in ArrayList?

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


what is the very last element of a 4x4 transformation matrix for?

Why do we use 4x4 matrices to transform things in 3D?


Where do you report serious flaws with iOS7?

How should I submit bug reports and feature requests?


Short story where man realises he is the only real person in the universe, after seeing discrepancies in weather

Short story where rain only on one side of the house gives away fake world?


Converting a high resolution png format logo to tikz

Drawing Roman laurel leaves (SPQR) in TikZ


Does Anyone Know How to Use Wine Securely?


Is association in mathematica ordered or not?


The mean and variance of the inverse of a normal distribution

Mean and variance of inverse of a normal RV


how to stop people from breaking your comment system by writing quotes


Reading an XML and Parsing as Class and Properties


Remain in same page even after submitting jsp form

How perform validation and display error message in same form in JSP?


Interpreting the value of standard errors

How to interpret coefficient standard errors in linear regression?


How to create project templates in Xcode 4


How to block and unblock the media ports in MAC OSX 10.9?

How to block and unblock https access on OS X 10.9


Why is the sampling distribution of variance a chi-squared distribution?


Prevent upload file in Asp.net Web forms

Using .NET, how can you find the mime type of a file based on the file signature not the extension


Best way to show a user random data from an SQL database?


Unable to load dynamic content in multiple $(window).on("load", function(){}) using safari

Is there a cross-browser onload event when clicking the back button?


Configuring to detect if a command does not exist, suggest installation


Google Maps Javascript API showing map in small square


A generalization of the Law of Iterated Expectations


Should Roomba have customized rules for meta websites?

Turn off the roomba for child meta sites


"More clear" vs "Clearer": when to use "more" instead of "-er"?


Single word for a pattern of behaviour where you keep swapping between possibilities

What is a word/idiom for 'unable to decide'?


can I change the date of travel to the UK after filling out the online form?

Can I change my dates of travel to the UK after filling out the online form?


How can I calculate the affect of cooking my food on its nutrition

How to calculate the calorie content of cooked food?


Why is the Converse to Lagrange's Theorem False?


What is the use of $i=\sqrt{-1}$ in plane wave equation?

What does the complex electric field show?


Is an Immovable Rod a valid spellcasting focus?


Is it possible to perfrom ubuntu installation on dynamic HD partition or should i make it to static?

Why can't I install Ubuntu or Wubi on a Windows Dynamic Disk?


TypeError: Cannot read property 'documentElement' of null PHP/AJAX chat

jQuery.ajax gives "TypeError: Cannot read property 'documentElement' of null" on server but not local


Upgrade Mountain Lion to Mavericks, with DMG file obtained from unofficial source?

What is the best way to generate a Yosemite or Mavericks Install USB flash drive?


Use temporary variable in initializer_list results in access vialotion error

Double delete in initializer_list vs 2013


How to insert the picture to the right of this text?


What is a "normal" teaching load for a Lecturer in a UK pre-'92 University?

Is 100 hours per year of teaching a heavy load for a lecturer?


scanf() leaves the new line char in the buffer


why we need header files in our C++ project?


Should sources helping me understand concepts but not crucial to reconstruct my work be cited?

Do I cite introductory material in a subject that helped me indirectly?


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


How to point to an object when iterating through an Array List of objects

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


Ubuntu installation on disk already dual boot formatted


Positional index in Ember.js collections iteration


no of subspace in vector space V over finite field

How many k-dimensional subspaces there are in n-dimensional vector space over $\mathbb F_p$?


Proving $G\cong \Bbb{Z}_p$ if $|G|$ is prime.

Show that every group of prime order is cyclic


Need to split right bracket at side of matrix into three smaller brackets


Cannot invoke getText() on the primitive type int

Android: Cannot invoke toString() on the primitive type int


Automatically unlock LUKS encrypted disk on boot

How do I automatically decrypt an encrypted filesystem on the next reboot?


Proving combinatorial identity $\sum_{k=0}^{n}(-1)^k \binom{2n-k}k 2^{2n-2k} = 2n+1$ "directly"

Another combinatorics problem: $\sum\limits_{k = 0}^n (-1)^k \binom{2n-k}k2^{2n-2k}=2n+1$


Is this possible to like a facebook page via OAuth access token


People in the gym work out (missed correct adverb)


"java.lang.NullPointerException" thrown when ran as Junit test but not as Java Application


Is there a simple way to define "get and set" in Java like C#?


Unable to install ubuntu 16.10 on a PC with Nvidia GTX1080

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


Windows Server 2012 NIC Teaming vs. MPIO

Why MPIO instead of 802.3ad Team for iSCSI


Fighting DDoS Attack, looking for some advice


Digitizing Airport approach-zone with z information in QGIS?


Uncaught ReferenceError: {var} is not defined. Files are created separately

What is the scope of variables in JavaScript?


Gender-neutral pronoun other than singular they?

Is there a correct gender-neutral singular pronoun ("his" vs. "her" vs. "their")?


Remove Portion of Query String based on a variable parameter value

How do you use a variable in a regular expression?


Weird sample variance when creating a lognromal sample with pre-defined mean and variance

How to find normal and lognormal moments, given partial information?


Can't update LDAP module due to Memory Limit

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


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


Why google search console does not read sitemap.xml file?

Google Search Console Adding Sitemap "Couldn't fetch" and "Sitemap could not be read" txt file


Double extra damage from the "save-for-half-damage" part of a critical hit?

How does extra damage work for critical hits?


Windows Server 2008 compromised, how to restore?

How do I deal with a compromised server?


What exactly is the verbal component of the Prestidigitation cantrip?


What would be the requirement to learn matrix mechanics?

Matrix mechanics for those with wave mechanics background


How do I update kernel to the latest mainline version?

How to update kernel to the latest mainline version without any Distro-upgrade?


Why does Linux show both more and less memory than I physically have installed?


Output is not in human readable format when writing content of an Excel sheet to console in C#


How to change the background image of login screen of Ubuntu 19.04?

Cannot change login screen background in 18.10


Listener method in p:fileUpload is never invoked in primefaces

How to use PrimeFaces p:fileUpload? Listener method is never invoked or UploadedFile is null / throws an error / not usable


Does the technology exist to generate AC current with a frequency high enough such that when used in a circuit, could generate visible light?

Can an LC oscillator be used to generate visible light?


What happens to Wall of Fire if the surface moves

Wall of fire: What's a 'solid surface' and what happens if it stops existing?


Python: Selecting repeated elements (list in a list) and put it in an array?

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


Which one is the grammatically correct sentence?


"Data tag parsing failed" when trying to setblock a command block with a command in it

How to set a command block with a command inside using the setblock command


Where can I download the latest release of Ubuntu?


Is using an apostrophe for omission more correct than not?

Using contracted forms ("don't", "let's") in a formal text


How to delete directories with path/names too long for normal delete


Is it possible to convert a psql's ASCII table output to CSV?

Save PL/pgSQL output from PostgreSQL to a CSV file


How to upgrade ubuntu server 10.04 to 12.04

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


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


Cardinality of all equivalence relations on N

Cardinality of equivalence relations in $\mathbb{N}$


After spilling water on my Dell Vostro Laptop, 2 keys are not working


How to add marks to all graphs at certain y level

pgfplots: Placing node on a specific x-position


Server becomes too slow with high traffic http requests for tracking page loads of multiple sites

Can you help me with my capacity planning?


Removing a row of a table on the fly - not working

Event binding on dynamically created elements?


Null Pointer Exception with initialized variable

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


will it affect the laptop performance if I use the charger of other model

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


Import a class from own library of jar file in IntelliJ Idea

How to access java-classes in the default-package?


How do I do a contour integral in complex analysis


Random sampling of multiple integers with constant sum

Uniformly distributed n-dimensional probability vectors over a simplex


"There were undefined references. Please (re)run Biber" when reference is in a table despite all references are considered

Bibliography with citations in tabularx and defernumbers=true only prints [0]


How can a quasar be 29 billion light-years away from Earth if Big Bang happened only 13.8 billion years ago?


Probability of being same birthday of at least three people

Group of $r$ people at least three people have the same birthday?


ORDER BY FIELD(id, ?) not working in PDO

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


Unity Performance: How many Materials per Object?


Proving $\mu_f(A)$ is a measure on $(\mathbb{R},S)$

Show that $\mu_{F}$ is a measure on $(\mathbb{R},\mathcal{S})$.


How to include inner class/wrapper class in test method?


Updating packages when network access to standard repositories is blocked

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


About average of sequence times average of the inverse of sequence: special case of Reverse Cauchy-Schwarz Inequality

why this product is no more than the product of the two mean values?


Is there an easy way in .NET to get "st", "nd", "rd" and "th" endings for numbers?

Is there an easy way to create ordinals in C#?


How to create a separate home partition after installing Ubuntu under single / partition


How to convert upper case letters to lower case


A5 booklet printing -- Title page and TOC are missing


Estimate Calories Burned from Arbitrary Limb and Body Movements

Estimate Calories Burned from Arbitrary Limb Movement


Q points and A points, suggestion to differentiate them


how to list full paths of folders inside a directory in linux?

Unix ls command: show full path when using options


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


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


Use symbols instead of text for commands

How does XeTeX typeset (math) symbols which are input as unicode?


When I try to make a direct connection to a LAN game in Minecraft, it says, "Connection Refused." Anyone know what I'm doing wrong?

Is there a list of error codes for Minecraft?


Show if/when the answer was seen by the author of the question


using arcpy to convert labels to annotation

Labeling features and converting them to annotations with ArcPy?


Two docks appearing after mac os customization

Why do I have two docks in Ubuntu desktop (with GNOME 3) after installing Dash to Dock?


Counting length of Objects in JavaScript

How to efficiently count the number of keys/properties of an object in JavaScript?


When to use a Sigmoid function and when to use ReLu in a Convolutional Neural Network


How to use a bash script variable with sed


I need to quickly and safely thaw frozen ground beef, what are my options?


Chat in Chrome on Windows suddenly doesn't scroll anymore


Enabling Nvidia driver messes up splash screen


Bring back a deleted file without copying its content

How to create a hard link to an inode (ext4)?


How to open the terminal from a folder by function key press?

Keyboard shortcut for "open a terminal here"


I have a Indian passport and am travelling to US with a stopover of 7 hours at Haneda. Do I need a transit visa?

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


What environment variables/shell variables do env and printenv show

If processes inherit the parent's environment, why do we need export?


On a property of a holomorphic function on a unit disk

Prove that a holomorphic function injective in an annulus is injective in the whole ball


Build and strengthen the Stack Exchange community with "crossover questions" between sites


Add "more information" field when flagging

Add optional box for spam flags letting you say why you think it's spam


Using an If/Else statement with toString but boolean is only read as false


How to replace accidentally deleted etc/kernel directory Ubuntu 19


Spigot Jump Detection Returning NullPointerException

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


unable to connect to wifi and don't have ethernet cable


How do I get someone else's apple ID off of the iphone 5


Unable to add unicode flag to regex for email check

How to validate an email address using a regular expression?


Access 'About this Mac' before creating a user

How do I identify which CPU a MacBook uses?


How to handle bad questions with good answers?


Adding a form to TabPage inside a TabControl

Can I host a Windows Form inside a control


Use CSS to alternate ul bullet point styles


How to change a single factor font inside the equation?

Importing a Single Symbol From a Different Font


come up with a formula for $f(n)=\sum_{i=1}^n i^k$

A formula for the power sums: $1^n+2^n+\dotsc +k^n=\,$?


This question has an open bounty and can't be closed - duplicate?

How can we close questions with bounties?


How to check if a script or css file was served from browser cache or from the remote server

How can I use JavaScript to detect if I am on a cached page


Variables correlated but not significant predictors of dependent variable in multiple regression

How can a regression be significant yet all predictors be non-significant?


Is it possible to pin a process to a core which has no other processes pinned to it?

How to ensure exclusive CPU availability for a running process?


Biber doesn't compile bibliography with year field

Very strange error suddenly appeared running Biber


How do I find the program that I installed?

How can I install applications like Google Earth, NetBeans and Java?


On forms, is inline placeholder text better than a label outside each field?


Using files that have spaces in their name in pipes

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


Structure of groups of order $pq$, where $p,q$ are distinct primes.


How can I know what speed card to get for my camera?


Finding the closed form solution of a third order recurrence relation with constant coefficients

Solving for the closed term solution of a third order recurrence relation with real constant coefficients


Comparing IP info between two files based on criteria and outputting the results to two different files


how to change the type of items in the list?

How to convert a list of string to a list of int


How to set a PHP function's param to a variable as the default value

PHP function with variable as default value for a parameter


How do I move the close, minimize, and maximize buttons to the right?

How can I move all the window controls to the right (or left)?


What are good out of the box alternative geocoding solutions to Esri's services?

Geocoding USA addresses that cannot be sent over internet?


Why process substitution is faster than pipe in this case?

Performance differences between pipelines and process substitution


How do I remove the proprietary ATI drivers?


Hardware requirements for a modern GIS workstation

Looking for system specifications for a modern GIS workstation


QGIS Spatial join many points to single vector

Spatially joining polygon fields onto point layer in QGIS?


What is causing this ERROR: Error 1452 while trying to forward engineer

ERROR: Error 1005: Can't create table 'cat10e.recording' (errno: 150)


Where can I find a database with a list of all magic cards?


Show that the determinant of $A$ is equal to the product of its eigenvalues


How is the epsilon-delta definition of continuity equivalent to the following statement?


find a, b and c such that the matrix is singular

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


How can I have my mac display a reminder when it connects to a particular network?

Run program if connected to specific wifi?


How do I check if a Socket is currently connected in Java?


Question mark before or after parentheses for incidental text?

Where does the question mark go — inside or outside the parentheses?


Site recommendation to ask Programmer SE related questions given a ban?

Where to ask for general advice for young programmers?


How to show a user login form on a completely separate page?


What is the least possible value of $𝑓(999)?$


Extended titles for subsections gets my TOC all pilled-up

How to modify the space between the numbers and text of sectioning titles in the table of contents?


Usage of 'it is' or 'is it' in questions

Changing subject and verb positions in statements and questions


Virtualizing Windows and Ubuntu with Xen

I want to install Xen to run Ubuntu 12.04 and Windows 7 at the same time but I can't find any good tutorials


Ubuntu 20.04 installation from USB fails pre-installation

Unable to mount Windows (NTFS) filesystem due to hibernation


Validating email with regex(JS) error with '_'

How to validate an email address using a regular expression?


Why is my table rendering in a nonsensical place?

Keeping tables/figures close to where they are mentioned


Why does SO allow people to continue answering a question when one is accepted and highly voted up?

What to do when the correct answer to a question changes over time?


Garbage Collection works automatically or manually?

Does assigning objects to null in Java impact garbage collection?


I have an iPod Touch 5th gen. Can I play Pokemon Go?


Is it possible to blacklist a built-in kernel module?

How to block drivers built-into Kernel, i.e. drivers who are not a module


Android application crashes in emulator with java code

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


Are PPAs safe to add to my system and what are some "red flags" to watch out for?


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


Short story with mercenaries trying to board a mothballed starship

Trying to remember a book about a human male travelling to alien planet


Logging generic interface for Backgroundjob

How To Detect If Type is Another Generic Type


How do I reference an element by name with [] brackets in it?

jQuery selector for inputs with square brackets in the name attribute


Dancing twins, one travelling in a rocket ship, looking through telescopes at each other

Time dilation and twin paradox: If they twins were speaking on a phone of some kind, how would each other's voices sound?


What are the guidelines for flagging posts for migration to another site?


Prove or disprove: For every integer $n$, the quotient group of $\Bbb Z/n\Bbb Z$ modulo any subgroup is cyclic.


Is Stack Overflow's (SSL) log-in process optimal from a UX perspective?

Login to Stack Exchange account doesn't use HTTPS/SSL?


2.82a Quad View: Sidebar Region Display "missing"?

How to see object from multiple perspectives in real time


UK visitor visa requirements for a self-employed father and employed mother visiting their son in the UK?

What supporting documents should I include in my UK visa application?


How to delay the execution of a function in c#

Compare using Thread.Sleep and Timer for delayed execution


Maximum distance of a body in projectile motion from origin

Projectile motion maximum distance to origin


getSheet & getSheetAt throws Null Pointer Exception

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


Assign an operator symbol to a variable and use that variable for conditional check

Is it possible to pass arithmetic operators to a method in java?


What is the difference between File.ReadLines() and File.ReadAllLines()?

What is the difference between File.ReadAllLines() and File.ReadAllText()?


Let $A$ be a set that is countable. Let there be a function mapping $A$ onto a set $B$. Is $B$ countable?

Suppose that A is a countable set. Show that the set B is also countable if there is an onto function f from A to B.


How to convert my data from row to column ?


What are the best resources to learn Ant?


Is this a way light/information could escape from a black hole?

Can we exit the event horizon of merging black holes?


Relativistic time dilation / length contraction

Can a ultracentrifuge be used to test general relativity?


Would one say "...a vendor who..." or "...a vendor that..."?


Having a hard time understanding package-manager repositories?


How to set values for hidden variable using javascript when processing using servlet?

HTTP request parameters are not available by request.getAttribute()


iPad Mini stuck in iTunes logo (failed upgrade)

How do I restore iPhone 6s stuck on connect to iTunes screen/Apple logo


How does one make a straight grid from a UV unwrap?

How to perfectly align UV coordinates automatically?


Interpreting glmnet Lasso coefficients on dummy variables (multiple levels)


How do I pass the HttpServletRequest object to the test case?

Creating a mock HttpServletRequest out of a url string?


Verifying $G*H \cong G' * H' \implies |G| = |G'|$ or $|G| = |H'|$ (All Groups Cyclic)


How to change the default border color of fbox?


How to select the video strips at the playhead through python?

How to detect scene strips in the VSE on frame changes?


Are there any differences between "I am sure" and "I was sure"?

Reported / indirect speech - why no backshift


What causes certain spinning tops to flip?

Intuitive Explanation of Tippe Top Effect?


Apache dbutils Java cannot get String value

PreparedStatement IN clause alternatives?


How can I call a function with a string?

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


Inserting and correctly scaling PGF figure made with matplotlib


getting null exception in adding data from textview to sqlite database android

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


Prove that cardinality of $\lvert D \rvert=2^b$ when $D=\{f \mid f:B \to A\} $

Question regarding exponentiation of cardinal numbers


Error: Failed to parse wsdl: Unknown element: operation

How to parse WSDL (Error: Failed to parse wsdl: Unknown element: import)


ORACLE - find a concrete result inside a LOOP (OR SIMILAR)

Get top results for each group (in Oracle)


Calculate expected values using logistic regression coefficients


How do I seed a random class to avoid getting duplicate random values

Random number generator only generating one random number


Python 3: How to shorten list of "if" and "elif" statements?

Replacements for switch statement in Python?


Let $\{a_n\}_{n=1}^{\infty}$ be a sequence such that every subsequence has a subsequence that converges to $L$. Then, $\lim_{n \to \infty} a_n = L$.

If a sequence $(u_n)$ be such that its every subsequence has a subsequence that converges to $0$, then $\lim u_n= 0$


Is auto& or auto&& prefered for modifying a range with range based foor loop?

What is the advantage of using forwarding references in range-based for loops?


Why didn't Obi Wan tell Luke that this character is his father?

Why didn't Yoda or Obi-Wan tell Luke the truth about his father?


Prove there exist $0\le c_1<c_2<\dots<c_n\le1$ where $\sum_{k=1}^n\frac1{f'(c_k)}=n$

For f continuous on $[0,1]$, show that there exist points $\alpha_k$ such that $\sum \limits_{k=1}^n \frac{1}{f'(\alpha_k)} = n $


Protection of code from its own developers


Installing Ubuntu in Boot Mode UEFI and secure boot on.Any Problem?

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


How long before Ubuntu version no longer works?

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


Better way for users to select a date range


get error while sudo apt update in ubuntu 18.04

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


How to get value from {{ item.content }}

How do I get the raw field value in a twig template?


Preventing form submission when Enter is pressed

How to prevent ENTER keypress to submit a web form?


Java converting char to string won't work


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


How to squash git commit history up until 5 commits ago

Combine the first two commits of a Git repository?


App is crashing because of "object on null reference" i cant find out how to solve that

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


is the order of parameters to calloc() important?

Is calloc(4, 6) the same as calloc(6, 4)?


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


Linux Equivalent of Windows Ctrl to show Mouse Pointer


How to show the full path of a file or directory in the terminal?


Format external hard drive with ubuntu installed on it (for use as a Windows external)


I don't know the authentication password to download stuff

How do I reset a lost administrative password?


What's the female equivalent of "suitor"?


Create something like a timer using a while loop

How do you add a timer to a C# console application


Problem starting Steam on ubuntu 15.04 64-bit


Does sizeof act different in certain scenarios

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


Is "one needs only" or "one need only" correct?


Fix Broken File Permissions On Ubuntu Server

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


Is there a way to fanout a stream in posix shell or bash?

How can I send the stdout of one process to multiple processes using (preferably unnamed) pipes in Unix (or Windows)?


Javascript object initialization and evaluation order

Are Javascript Object Properties assigned in order?


Firefox "not responding", can't force quit, doesn't show in activity monitor

App crashes, dock icon remains, can't reboot, yet no process in ps aux to kill


Prove that the set of made of the following formulas is feasible (Materials on specific logic problems)

What are the prerequisites for studying mathematical logic?


What to do if I'm afraid that my idea will get stolen during review process?

How can an author get assurance that his work will not be stolen by journal staff or reviewers?


if 2 random variables have exactly same mean and variance


Why is oil called more viscous than water when we slip on oil more than we do on water

Why is oil a better lubricant than water?