Why does reboot and poweroff require root privileges?

How does the power button shut the computer down without root permission?


Select 2 lowest values from a query in SQL

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


Backup Entire USB Drive Containing Bootable Partitions in Debian

What happens when the USB key or SD card I've installed VMware ESXi on fails?


Trademark names that start with a lowercase letter -- do we cap the lowercase letter when it starts a sentence?

How do you capitalize a proper noun such as "iPhone"?


Looking for a basic PostGIS viewer to use as basis for own application


Write access to Linux ext3 partition from Windows 7


How do I compact a file geodatabase with ArcPy?

How to Compact geodatabases in multiple directories using ArcPy?


find items only in a list of directories


CodeIgniter generated Statement does not give results as expected

Advanced search code does not bring relevant results (Codeigniter)


Is it possible to draw a diagonal line using CSS3?


Why is every subgroup of order $p^{n-1}$ normal?


How can I override the behavior of the division operator?

Overloading Arithmetic Operators in JavaScript?


Lie bracket for Lie algebra of $SO(n,m)$


Proof of convergence of alternative minimization/maximization


Can I use multiple complements for a verb


python context of passed-to-class function

Adding a Method to an Existing Object Instance


I'm getting an IndentationError. How do I fix it?


Overlapping polygons in the same table/ layer

calculating percent area of intersection in where clause


Bind Middle mouse button + Left click to pan


Applied boolean modifier leaving shading artifacts with flat shading


Can we incorporate member functions inside a structure in C++?

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


Can you turn your camera on in Pokemon Go?

There's a Pokémon in the kebab store! Can I turn off augmented reality?


Can't specify the 'async' modifier on the 'Main' method of a console app


Strange result when removing item from a list while iterating over it


How to get "people reached" info from Users Table?

Include the "People Reached" and "Helpful Flags (count)" data in SEDE


Autosmooth script fails in edit mode but works in object mode

poll() failed, context incorrect? - Example: bpy.ops.view3d.background_image_add()


How can a particle's position be random and uncertain in quantum mechanics if it is already pre-determined in relativity?


Exchange 2013 has stopped indexing mail on a specific date


Ubuntu 13.04 doesn't automount razr d1 mtp

Getting MTP enabled devices to work with Ubuntu?


Showing that $1-\cos(x) <\frac{x^2}{2}$ holds

Use of inequality $1 - \cos (x) \leq x^2 /2$


I forgot my username, how do I get it back?


How much "buffer" or margin of error is in food safety guidelines?

What are the fault tolerances on the FDA food handling guidelines?


Event binding on dynamically created elements?


Prove that no order can be defined on the complex numbers. (Baby Rudin: chapter 1 question 8)


Take in String and create object from class of that name

Creating an instance using the class name and calling constructor


SciFi story from before 1976 that involves multiple dimensions

Children's book with "square triangles" in parallel universe?


Query posts by searching for a string in a meta field

Extending search query with additional $sentence value


jquery dont work when button its calling from ajax


Is it possible to add customize method in String class?

Can I add new methods to the String class in Java?


Addition of two elements in a field with four elements

Determining the characteristic of a field


Java Reflection: How to get the name of a variable?


What is the difference between these two sentences (“was created” vs “has been created”)?

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


A story of a guy who wants to kill someone and gets a bulk discount to kill more people

Looking for Story Title - Cheating Wife exterminator


Show that the set $ [-1, \infty )$ has cardinality $ c \ \ $

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


"You've earned (badge)" panel layouts are broken


How can I convert a Unix timestamp to DateTime and vice versa?


AJAX render attribute doesn't work with rendered="false" component

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


How can you tile this checkerboard with trominoes?


Compatibility Errors: Attribute 'uuid' is not allowed to appear in element 'jasperReport'

compilation error: ireport with java;Attribute 'uuid' is not allowed to appear in element 'jasperReport'


How to apply arithmetic operations to objects


Vector Calculus and Support vector machines (SVM)

Differentiation in support vector machine


Is there a function $y=f(x)$ such that $\frac{d^3y}{dx^3} = f(x)$?

Function whose third derivative is itself.


Why is the amount of light a lens lets in called the 'lens speed'?


jQuery attach a click handler after div is created

Event binding on dynamically created elements?


How to migrate /var back into the main partition


Accessing functions of inherited class from base class vector - C++11


SIM card in New Zealand with unlimited internet access

How can I find the cheapest prepaid SIM card for a given country?


US to INDIA via Zurich, Do I need transit visa?

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


How do I create a script file for terminal commands?


Are all public-key encryption protocols based on one-way functions?

What primitives are needed to generically implement public-key cryptography?


Getting error as Mysql: command not found

Installed MySQL but still says command not found


How can I calculate the probability of a certain arrangement of chess pieces?

In how many different ways can we place $8$ identical rooks on a chess board so that no two of them attack each other?


Running the same javascript functions many times, every 2 sec

Why does the setInterval callback execute only once?


Infinite collection of infinite sets whose union converges to a defined set?


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


Is "different from" or "different than" more correct?

History of "different from", "different to", "different than"


Reason for choosing SPI based flash devices over I2C ones


Trying to perform kernel density analysis but obtain: 'error all input points identical' or 'error in executing grid expression'

How to determine if all points on a map are identical in arcpy?


Prevent pdflatex from writing a bunch of files


What can I use as the generic term for "a function that is composed with another"?

What are the functions that make composite functions called?


Simple SVG from Illustrator or Inkscape fails to show


Cauchy product of an absolutely convergent sereis and a conditionally convergent series

Suppose $\sum a_n$ converges absolutely and $\sum b_n$ converges. Give an example where the Cauchy product does not converge absolutely.


Determining stability of the differential equation


ignore whitespace in xslt template content

How can I remove whitespace when declaring an XSL variable?


LASSO: selection of penalty term: "one-standard-error" rule


Automatically reloading layer when source is changed


Is Double data type trimmed in MySQL while checking uniqueness?


Using SHA512 to store login passwords instead of MD5


New line character showing up in NSLog output


New MySQL 5.7 installation: Account "Any@%" with USAGE-only, no-GRANT?


How can I use $variable in a shell brace expansion of a sequence?


How do I Sort a Multidimensional Array in PHP


Select in specific days range even if there is no data

What is the most straightforward way to pad empty dates in sql results (on either mysql or perl end)?


TextView ClickableSpan styling for pressed state

Change the text color of a single ClickableSpan when pressed without affecting other ClickableSpans in the same TextView


PhoneGap: open link outside the phonegap app


DualShock 4 wireless controller not working

PS4 Controller not connecting to PS4 and won't reset?


Malformed line in the source list /etc/apt/sources.list (dist parse), don't let me use update manager?

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


How do I hide an emitter plane while keeping it's emitted light visible in a cycles render?

How to make a cycles light emisson object invisible to the camera?


XeTeX shows special characters as squares, even though they are covered by the family

How to \setmainfont when "randomfont.ttf" is in different folder?


How to use Jquery on the table that I echo from another php?

Event binding on dynamically created elements?


VMWare Workstation 12 Player remove the toolbar in windowed mode

Windows program to remove titlebar, frame, etc from a window?


How do I tidy up an HTML file's indentation in VI?


Is there any difference between dry yeast and fresh yeast?

Can active dry yeast be substituted for a compressed yeast cake in baking?


Mendeley Generated Bib Entry @article Not Citable


How to delete duplicate rows in SQL Server?


Why every definition is an "iff"-type statement?

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


Why was my link only answer flag for this question declined?

Can we get some consensus on what flag to use for link only answers?


Calculate analytically the time until two spheres meet due to gravitation

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


How to remove duplicates from a list of custom objects, by a property of the object

LINQ's Distinct() on a particular property


Are there better climate data than Worldclim for Europe?


Heteroscedastic errors in logistic GLM - a problem?

Interpreting residual diagnostic plots for glm models?


How to render an animation made with a python Script

Handler frame_change_pre doesn't work in render


If a bullet is fired vertically upwards, when it comes back does it fall to the same spot?

Earth moves how much under my feet when I jump?


How to parse a XML string from webservice using C#


Proving that sequence with decreasing distance between elements is Cauchy (without using Cantor's lemma)

verify, that this sequence is cauchy-sequence


What is meant by globally hyperbolic spacetime?

Intuitive meaning of Globally Hyperbolic


i'm facing an error trying to install or update any package?

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


Blender not starting on Windows Remote Desktop

How to run Blender through RDP on Windows Server 2008 R2 - opengl error


What's the correct way to place theorems and pictures side by side?

How to wrap around a figure in a theorem-like environment?


Event binding on dynamically created elements?


Allowing orientation in iphone only for one view

Support different orientation for only one view iOS 6


How to use a command to Wipe a single directory?


Proof of linear independence for vectors

Show that an infinite set of families are linearly independent


Looking for count down clock in CEWP using html/jquery

Help with Dual Javascript countdown clock


tkinter 'NoneType' object has no attribute 'pack' (Still works?)

Tkinter: AttributeError: NoneType object has no attribute


How to calculate time complexity of existing code in production

Big O, how do you calculate/approximate it?


How should i handle dynamic cast with template classes?


Allow application through firewall Linux

What causes the 'Connection Refused' message?


Does this recording sound like the pulses emitted by bats?


Write to pList file shows no error, but the data is not in the pList file


What is the scope of environment variables defined in ~/.bashrc?

Is there a ".bashrc" equivalent file read by all shells?


Can we disable browsers from sharing workspaces?

How can I configure the Ubuntu Dock to show windows only from the current workspace?


Prove that if the sum of each row of A equals s, then s is an eigenvalue of A.

Prove that if the sum of each row of $A$ equals $s$, then $s$ is an eigenvalue of $A$.


Some weird issue with my file upload and jQuery Image height width and new Image()

Why is my variable unaltered after I modify it inside of a function? - Asynchronous code reference


Is Google's 72 qubit device better than D-Wave's machines, which feature more than 2000 qubits?

How to explain in layman’s terms the significance of the difference of qubits of the D-Wave and IBM QX?


Built-in card reader in MacBook Pro doesn't work


Does the uncertainty principle affect event horizons?

The uncertainty principle and black holes


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


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


How to change parametric object attributes after creation

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


Using tabularx increases the tab counter by two

Why does ltablex skip a number in captions?


Is there any stylish/colorful CV writing package?


Batching a bunch of gameObjects that change their color

How can I change the color of an object at runtime?


Trying to recover a partition! Which cylinder should I begin searching at?

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


Javascript Date validation for mm/dd/yyyy format in asp.net

Regex to validate date format dd/mm/yyyy


I would like to change the size of my partitions (increase Windows 7 by approx 50gb)


Keeping dead beta sites as "archive sites"

Keeping closed sites in suspended animation: a modest proposal


How to delete arbitrary numbers of columns from a matrix in mathematica


Getting an "Exception in thread "main" java.util.NoSuchElementException" error for the program mentioned below


Proving block triangular matrix determinant formula with 4x4 matrix

Proofs of Determinants of Block matrices


Dual Booting Win10 and Ubuntu 17.10 on and SSD and HDD


installation ubuntu 14.04 on win Xp professional 32 bit

Kernel requires an x86-64 CPU, but only detected an i686 CPU. How can I install Lubuntu/Ubuntu?


What is the correct address for precise/12.04 restricted, multiverse and universe ppa?

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


Right image resolution for large format printing

What resolution should a large format artwork for print be?


Android mobile app crashes when touching a job offer


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


replace www.anylinks.com or anylinks.com to http://www.anylinks.com within the html content

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


Remove extension from URL using a rewrite without resulting in a redirect loop

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


Why do some recently asked questions not show up in the question list?


Retrieve files deleted by command rm in terminal

Can files/directories deleted with rm be restored?


Limitations when running the Union tool with large datasets?

Invalid Topology [Topoengine error] from ArcGIS for Desktop?


How to implement a custom controller factory ASP.NET MVC


using of Swingworker giving incorrect results

java - execute each SwingWorker class one after another


How to add "star" symbol next to the number of the equation?

How to mark equation number but not change the reference text?


Reordering  not working for newly append

Event binding on dynamically created elements?


Why do I get different results from python and php when AES-256 encrypting strings?


How to run a shell script on 10 hosts simultaneously?

Automatically run commands over SSH on many servers


How can I change my Stack Exchange login email?


Number of views increases for the question if the page refreshes. Is it a design intent?

How are the number of views in a question calculated?


Does a photon in vacuum have a rest frame?


Let $f:A \to B$ and $g:B\to A$ be arbitrary functions.


Does the Earth actually rotate around the sun?

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


Why the CDF for the Normal Distribution can not be expressed as a closed form function?


How to create a shortcut to open new window of nautilus and actiavte this window?

Keyboard shortcut/command for opening a new nautilus window and raise it


Is there a way to join two ttf fonts files glyphs


How to set a different working directory when executing a script?

Equivalent of shell 'cd' command to change the working directory?


Why does it keep saying the capacity of my dynamic array is 2 even though I keep changing it so it is not 2?

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


Error in modifying HTTP header information

How to fix "Headers already sent" error in PHP


Ratio of random variables MGF? Please help.

Moment generating function (MGF) of the ratio distribution $\displaystyle\frac{X}{Y}$


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


Change Language in \usepackage[]{babel}?


Avoid redundancy in formula in Google Sheet

How to save temporary variables in Google Sheets formula?


Null pointer Exception erorr while running, but Why?

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


Flying to Frankfurt with a transit through Paris - is 90 minutes enough for a layover?


Covariance (or correlation) matrix of coefficients in lme

How to retrieve correlation matrix from glm models in R


How to make inductive step for a Fibonacci proof

Induction Proof: Fibonacci Numbers Identity with Sum of Two Squares


How to omit the authentification dialog during URLRead?


Looping through the elements in an array backwards

What causes a java.lang.ArrayIndexOutOfBoundsException and how do I prevent it?


Is it ok to write "very huge" in this context?

Are the rules regarding absolute modifiers too absolute?


What would happen if the Earth were hollow?

Gravitational field intensity inside a hollow sphere


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

VIMRC, SCREENRC, BASHRC, KSHRC, etc. What does the "RC" mean?


How to recover from LispCabinet error "the server directory is unsafe"?

Emacs - Error when calling (server-start)


Stream closed before the program finishes

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


Explain the output when converting Float to integer?


Was testing for midichlorians done covertly?

At what age is the Force detectable in children?


Do physics grad school look for an undergrad math degree?

Graduate school admission with a degree in a different field


Algorithm to find the numbers expressible as the sum of two positive cubes in two different ways


How to get a good "divisible by" symbol?


Net Work Done When Lifting an Object at a constant speed

Work done when lifting an object at constant speed


How can I determine how much bleed to use?


Combining everything before begin document into a package


Schengen visa for month with 15 days of maximum stay

Should I follow what was mentioned in the “duration of stay” or in the "validity of the visa"?


How do I derive the formula for the sum of squares?

Sum of First $n$ Squares Equals $\frac{n(n+1)(2n+1)}{6}$


Get HTML string from asp.net MVC ActionResult in controller

How to render an ASP.NET MVC view as a string?


Could Harry turn into an obscurus, if Dursleys were successful in keeping him away from Hogwarts


PHP for loop echoing a JSON Array, problem with last comma


How do I create a user-defined aggregate function?


How to add a variable to a regex checking for a URL?

How do you use a variable in a regular expression?


Using rand() to generate a number without digit duplicates

Create Random Number Sequence with No Repeats


Java Thread Synchronization Concept Static Function

Java synchronized static methods: lock on object or class


Show that if the Riesz map is surjective on $H$, then $H$ is a Hilbert space


Delete columns in text files with specific string


Why does method return `true` if I change the value of `r` to `false` in finally?

Does a finally block always get executed in Java?


RailsTutorial.org - ExecJS::RuntimeError in Users#index

ExecJS::RuntimeError in Users#index (RoR)


Open a file that is being used by another process


Get the error from Fragment with different activities when passing data using bundle

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


Is there exist a function defined on the real or complex numbers that, restricted to the integers, is equal to the factorial?

Proof that the gamma function is an extension of the factorial function


Groups of units of cyclic groups of order $2^n$

How to prove that $U_{2^n}$ is isomorphic as group to $\mathbb Z_2 \times \mathbb Z_{2^{n-2}}$ for $n \ge 3$?


Migrating from Windows 10 to Ubuntu 16.04 LTS without loosing data in "D:" drive

How to use manual partitioning during installation?


Canon-LBP2900 printer not working on ubuntu 14.04

Can't get my Canon LBP printer to run under Ubuntu 14.04


Issue with creating URL to invoke email functionality in Lightning


css/html: padding in % doesn't make sense

Padding/Margin Percentages - Possible CSS bug?


what is diference between using java and best use case

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


Why is this question a test in "reopen votes"

What are review tests (audits) and how do they work?


E and M step for applying EM on zero inflated Poisson Regression

How do you use the EM algorithm to calculate MLEs for a latent variable formulation of a zero inflated Poisson model?


How to find Hard Drive capacity in Mavericks?

How can I figure out what's slowly eating my HD space?


Nautilus windows are showing up below the side and top bars

System file windows open behind Unity launcher


What is the quickest calculation to check if a number, a, is a primitive root modulo P, a prime?

How to test if a number is a primitive root?


Do magnets lose some form of energy while attracting each other?

From where do the permanent magnets get energy from?


Salesforce Shield Encryption Evidence Post Spring 17 Release

Platform Encryption - Encryption at Rest


Problem with microtype's `\textls` and math mode

Microtype gives wrong letterspacing in math mode


Custom user role that can only edit specific (non-custom-type) page and all child pages

Allowing user to edit only certain pages


An integer $a \pmod m$ has inverse if and only if $\gcd(a,m)=1$?

Solving linear congruence (modular inverse or fraction) via gcd Bezout equation


Should comment moderation work differently on meta sites?

When should comments be flagged/deleted on per-site metas?


How to achieve "spherical" mapping in procedural materials?

Procedural texture for longitudinal lines


demonstrate that if X is a connected metric space, then X is chained.

Show that a connected metric space is $\epsilon$-chainable for $\epsilon>0$


AngularJS - Scope value not accessible in the directive Scope


Selective breeding of organisms to survive on Mars

Any examples of life forms on Earth that could have survived on Mars or Moon?


Measuring battery voltage and saving energy

Measure Lithium ion battery voltage (thus remaining capacity)


Python3: print dictionary key, if substring matches at a certain position in value


set locale automatically in ruby on rails


UnboundLocalError on local variable when reassigned after first use


Applications of complex numbers to solve non-complex problems


How do I avoid rendering glitches from overlapping faces?


"Looks really well" or "Looks really good"?

What is the difference between "good" and "well"


HTML CSS Form - How to center the form on the page?


How to change default window background color in Windows 10?


What is a "closed" or "duplicate" question?


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


What causes a moving positive point charge moving right in a uniform into the page magnetic field to specifically move upwards? why not downwards?

In electromagnetism, why does nature prefer the right-hand rule over the left-hand rule?


Why the end-of-line % in macro definitions?

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


Loading SQLite Database into Android App

How to use an existing database with an Android application


Multiple definition of even with header gaurd

Why aren't my compile guards preventing multiple definition inclusions?


how to put the time in a textbox and save it in a var on c#

C# DateTime: What "date" to use when I'm using just the "time"?


Does removing an element also remove its event listeners?

If a DOM Element is removed, are its listeners also removed from memory?


Reflection of a modified list outside the function

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


How can I set multiple languages in listings?

Insert Bash code with coloration into my latex report


What is exactly/literally meant by observing in Schrodinger's cat thought experiment?

What counts as "observation" in Schrödinger's Cat, and why are superpositions possible?


error: invalid operands to binary == (have 'struct demo' and 'struct demo')

Why whole structure can not be compared in C, yet it can be copied?


Should this sentence read "Isn't there" or "Aren't there", given the subject is "a bunch of laws", an "bunch" is singular?

Why can we add "a number of" before nouns?


get absolute path to apache webcontents folder from a java class file

Recommended way to save uploaded files in a servlet application


Are there magical movies in Potterverse?

Are there movies and/or theatres in the wizarding world?


Extrinsic Description of spacetime curvature, is it possible? How many dimensions would we need?

Can general relativity be explained by equations describing a fabric of space embedded in a flat 5-dimensional Minkowski space?


How to limit the length of text in a paragraph


Validate Bangladeshi phone number with optional +88 or 01 preceeding 11 digits

How to validate phone numbers using regex


Placed Image in Illustrator is Blurry when exported as PDF

"placed" Photoshop images in Illustrator - blurry when saved as .pdf?


Taking the square root of both sides of a congruence.

Number of solutions of $x^2=1$ in $\mathbb{Z}/n\mathbb{Z}$


In this sentence is it "you and me" or "you and I"?


Fresh Ubuntu 12.10 install no desktop or wing bar

Ubuntu 11.04 unity / classic load fails - remains at background without toolbars / windows


Variable stays null when switch cards with CardLayout

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


How to convert date to milliseconds by javascript?

How do you get a timestamp in JavaScript?


Compiling file.c and creating executable file with one button - Ubuntu 19.10


"No space left on device" - only 196G allocated to 2.7T HD

Ubuntu Server 18.04 LVM out of space with improper default partitioning


Set of all functions of $\mathbb N$ $\to$ $\mathbb R$

Bijection from $\mathbb R$ to $\mathbb {R^N}$


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


Change link color in UITextView in iphone

Can I change the color of auto detected links on UITextView?


The UNIX Programming Environment by Kernighan and Pike

Learning from Unix Programming Environment


How large should be a bootstrapping sample?

Resampling / simulation methods: monte carlo, bootstrapping, jackknifing, cross-validation, randomization tests, and permutation tests


How to cut walls along the pitches of the roof


How to choose a random element from a list and then find its index in the list?


Equivalent to HttpContext for user IP address


Application icon appearing in the corner of window

Remove app icon from title bar in GNOME in Ubuntu 18.04


May we have some more SO stickers, please?


When do you say "Earth" and when "The Earth"?

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


Article usage: "We are offering the product at the price of $20 per pound." Or "at a price of $20 per pound"?

At the cost of about or At a cost of about


Where can I ask about whether Atlantropa was actually feasible?

Where can I ask general curious discussion questions?


UK visa refusal on V 4.2 a + c (and sometimes 'e')


Safari icon from iPhone showing in macOS Dock

What's this separate "Phone" task section in app switcher?


You roll a die until you get a $5$, what is the expected value of the minimum value rolled?


Prove that $n^4−1 $ is divisible by 5 when n is not divisible by 5.

Prove that if $n$ is not divisible by $5$, then $n^4 \equiv 1 \pmod{5}$


How would I prove this strange combinatorial identity: $\sum_{i=0}^m \binom mi (-1)^i \frac{1}{i+1} = \frac{1}{m+1}$?

Find the value of $\sum_0^n \binom{n}{k} (-1)^k \frac{1}{k+1}$


Prove sum of 2 little 'o is equal to the little 'o from the sum

Why sum of two little "o" notation is equal little "o" notation from sum?


Are there pronunciation patterns in English?

How can native English speakers read an unknown word correctly?


Access rights and their difference between public and protected members of a Java class?

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


Set of zeros of derivate - Lebesgue measure


How to cd into a directory with the name "-"?

How do you enter a directory that's name is only a minus?


Books on advanced real analysis topics/metric spaces

Good Textbooks for Real Analysis and Topology.


What software should I use to design infographics?


How do i look at my minecraft screenshots?


Compile a c++ file with a different header name

What is an undefined reference/unresolved external symbol error and how do I fix it?


How do you convert a byte array to a hexadecimal string, and vice versa?


"I like watching" vs "I like to watch" What's the difference?

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


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


Windows 10 missing after installing Ubuntu alongside Windows 10


How to test the name of a object property?

How do I check if an object has a specific property in JavaScript?


Can 'him or her' be replaced with 'them'?

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


How to avoid using sudo when working in /var/www?


Why can an element id not start with an integer?

What are valid values for the id attribute in HTML?


"a ten years old boy" or "a ten year old boy"


Access the size of a collection in JSP/JSTL/EL


How is an object - created from a constructor function - able to access variables in the constructor function that was used to create it?


Help me to find the limit of the given function

What does the following sequence converge to?


Should I say "there is a handful of..." or "there are a handful of...."?

Subject–verb agreement — two schools of thought?


tk window got smaller when added a button

How to stop Tkinter Frame from shrinking to fit its contents?


How can we decrypt all RSA messages given a function that can efficiently decrypt a small percentage of all possible ciphertexts?

Decrypt all RSA ciphertexts if you can break 1% of them


If statement using == gives unexpected result


Can I set a custom location for ~/snap folder?

How can I change or hide the ~/snap directory?


iball 3.75G-72 connect mobile broadband USB modem not detected in Ubuntu 12.04. how to detect that modem?

How do I get an iball 3.5G modem working on Ubuntu?


How to parse "Prince Andrew shook his head, laughing as a man laughs?"

Shouldn't the comma be omitted? And is this sentence consistent in the tense?


My SQL did not return the expected value


Comparison between Logit and Probit models

Difference between logit and probit models


Wrapping last word in text with span using Regex

How do you use a variable in a regular expression?


Expression comprehension in function argument

Generator expressions vs. list comprehensions


Visitor visa refusal. What are the chances of reapplying?

UK visa refusal on V 4.2 a + c (and sometimes 'e')


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


Remove Indentation for a Single Paragraph


Sass combining parent using ampersand (&) with type selectors


London on public transport: what kind of tickets to use?


How to track a question on Stack Overflow?


Who planted the bomb under the stage in Bodyguard?

Was it just coincidence that Tahir Mahmood went on stage?


"No X11 DISPLAY variable" - what does it mean?


How to run the "Build Phase" in Xcode as root


Prove that for any random variable Z taking values in the range {1, 2, 3, . . .}, E(Z) = (Σ from i = 1 to infinity) P(Z ≥ i)?

Find the Mean for Non-Negative Integer-Valued Random Variable


How do you properly determine the current script directory?


How do I center a horizontal control group in the footer - changed in jqm 1.1.1?


I have a MacBook Air and I lost (forgot) my Admin (root) password

How can I get admin access to a Mac without knowing the current password?


How Can I Batch Change the Metadata of MP3 Files?


Button being identified as null by compiler


Bluetooth not working on Ubuntu 15.10 with BCM43142


Mac excel opening files as read-only but has full access

How do I stop the excel file being in use?


How to print arguments of all types of Exceptions

How to catch and print the full exception traceback without halting/exiting the program?


How can I plug my LPT printer into a motherboard with no parallel port?


How to convert date to timestamp in PHP?


Kids space travel series featuring 'The Great Ta'

And now, for something completely different: The mushrooms are among us


How to find the length of an array list?

How can I get the size of an array, a Collection, or a String in Java?


How can I prove $2^n > n^2 $ by induction using a basis $> 4$


Why does getch() in c not work on my mac os x?

Equivalent to Windows getch() for Mac/Linux crashes


Post processing in ffmpeg to move 'moov atom' in MP4 files (qt-faststart)


server's email going to spam for yahoo users, possible SPF issue?

What are SPF records, and how do I configure them?


Per-post opt-in notifications to revisit an edited post which you downvoted


I made a copy of the list but when I make a change to the copy, the original list still changes. I don't understand why

List of lists changes reflected across sublists unexpectedly


When would "mom/dad" require capital letter in writing?

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


Why does this bash script for apt upgrade not actually run in the background?

Why can I see the output of background processes?


how to call click event of dynamically generated content?

Event binding on dynamically created elements?


Concatenate cells but exclude empties in Excel

Generate a comma-separated list of cell contents, excluding blanks


How can I get Java reflection to find a callable function?


Safari does not work (iOS 9.3, iPhone 6s)

Safari on iOS 9.2.1 / 9.3 won't open links


Evaluating $\sqrt{\left(\cos\theta\right)^2}$ at $\theta=\pi$. Two approaches give different answers ($+1$ and $-1$)


How to put a period between the chapter number and chapter title with scrlayer-scrpage?


Why does the operator 'is' behave differently for the cases of single-valued variables and lists?

"is" operator behaves unexpectedly with integers


Unmet dependencies for php7.1 on Ubuntu 14.04

How do I resolve unmet dependencies after adding a PPA?


How to add a timestamp to TFSBuild.proj?


deploy war file on Tomcat and run without project name

Deploy war on Tomcat without the war name in the URL


Cannot update..keep showing update syntax error!! help please

Unable to fire update and insert query in access using C# windows application


Why does the index keep going out of bounds even when validations?


What happens if the empty set is not a subset of every set?

Is "The empty set is a subset of any set" a convention?


Calculate the limit of $(3^n-2^n)^{1/n}$


Prove that the roots are real and that they belong to the interval $-1 \le x \le 1$

Prove that there exists two roots in $[-1,1]$


How to detect the colour of an iPhone 5c?


intel wi-fi 6 ax200 intermittent on 20.4

Ubuntu 20.04 Network Performance Extremely Slow


how to get the value of an element in the url after #?

Can I read the hash portion of the URL on my server-side application (PHP, Ruby, Python, etc.)?


Why does Transpose not work after I wrap a list with NumberForm?


PHP sum of numbers by keeping leading zeros


What does the Eye icon mean on LG phones?

What is this Phone/Eye Icon in my notification bar on LG Volt?


What is quickest way to find hackers entrance to computer?

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


Can I transfer my Xbox one online character to ps4


"You and me against the world" vs "You and I against the world"

Which is correct, "you and I" or "you and me"?


When attacking with Two-Weapon Fighting, can you break up your movement and attack a different target?


What does the participation tab measure?


Apparently this is not the right way to vertically align something?

How can I vertically align elements in a div?


Continuous compactly supported real valued functions on a locally compact and $\sigma$ compact space is separable

Separability of functions with compact support


Incorrect Meta reputation in site switcher

Meta sites in "Your Communities" display different reputation


How well does T-Mobile's (US) Simple Choice plan work when in Europe?


Prove $\|x\|\le\sum_{i=1}^n|x_i|\le\sqrt{n}\|x\|$ for all $x\in\mathbb{R}^n$.


how to get merged cells of excel file only one time in c# using microsoft.office.interop.excel


How do I fix this "E: Type '*' is not known on line * in source list ..." update error?


Objective-C setting NSDate to current UTC


Finding the top / starting point of the node tree using Blender's Python API

How to get the end node of a tree in python?


What is the logic behind decomposing a derivative operator symbol. In the population growth equation?

What am I doing when I separate the variables of a differential equation?


PHP Regex: How to strip all HTML tags but not non HTML tags?

RegEx match open tags except XHTML self-contained tags


New ACM Latex compilation error: ! pdfTeX error (font expansion): auto expansion is only possible with scalable fonts


Do we calculate the power with Chinese theorem?

Mod of numbers with large exponents [modular order reduction]


How to Show Funds if you sponsor someone a UK Visit Visa

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


Screen shuts down when trying to install or try ubuntu?

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


How to use Stanford Parser in NLTK using Python


Why do I get an error when i try to register account?

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


Can you target yourself with touch spells

Can I only target other creatures, not myself, when casting spells such as Invisibility that target "a creature you touch"?


Resume bash session in new TMUX or SCREEN?

How can I disown a running process and associate it to a new screen shell?


Why does the water level go down when a dense object is moved from a boat to the bottom of the pool

Basic buoyancy question: Man in a boat with a stone


C# Dictionary issue for reference type as Key

Using the field of an object as a generic Dictionary key


Problems formatting date into format "%Y-%m"

Converting year and month ("yyyy-mm" format) to a date?


Wha't the functionality of charset option in HTML files?


xfce4-Terminal doesn't create a new pts session?


How to check if $n^2$ will square root evenly without square rooting $n^2$

Detecting perfect squares faster than by extracting square root


Problems moving /var to another partition Ubuntu 16.04 LTS EC2 AWS

How can I store /var on a separate partition?


Show that the set of all irrationals is not countable

Proof that the irrational numbers are uncountable


Law of reversibility of light and total internal reflection

Does light reflect if incident at exactly the critical angle?


How do I reassign canonical ordering of symbols?


How to make foam with bubbles (beer, bath)


Design Patterns: Factory vs Factory method vs Abstract Factory


LaTeX Error: File `beamerouterthemelsp.sty' not found


OP getting me to do the work for them over time

Exit strategies for "chameleon questions"


How to upgrade my Ubuntu 15.04 to Ubuntu 16.04

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


How to rotate a rubik's cube as a whole with separate elements rotating as well?

Objects not rotating with each other (Rubik's cube)


PPA error while installing Albert application launcher in Ubuntu 18.04


ReSharper Warning - Access to Modified Closure


How do I set Windows to boot as the default in the boot loader?


What is the best way to evaluate user inputed comparison string against a object?

How can I evaluate a C# expression dynamically?


How to get JSONObject values in correct / listed order?

When JsonObject's keys are iterated they aren't in the same order as in the response from the server


List of Table, Koma-script: how to not have the entire caption?


Faster ways to calculate frequencies and cast from long to wide


How to find $\sum_{n=0}^{+\infty} \dfrac{1}{(kn)!}$?

Sum of $\sum \limits_{n=0}^{\infty} \frac{1}{(kn)!}$


How can I restart a Windows 7 computer without screen or mouse?


How do I remove a corrupt icon from the Windows 7 taskbar

how can I remove shortcuts from my task bar if the link is dead?


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


About multi-root search in Mathematica for transcendental equations


re.compile() doesn't match the valid pattern against a string python

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


Why the results from running exactly the same regular expression twice are different?

Why does a RegExp with global flag give wrong results?


Null pointer error in eclipse using selenium webdriver


Need help understanding the math for the two egg drop problem equation ( X ( X + 1 ) ) / 2 = F


SMS notification for Gmail using Google Apps Scripts: how to display content of the email?


Failed to fetch cdrom:* warnings in apt, how to fix them?

Update information outdated, "Failed to fetch cdrom"


C++ Static Variable Declaration Weird Linker Error

Unresolved external symbol on static class members


How can I install apt packages non-interactively?


An error occurs when submitting an improvement to a Suggested edit

"An error occurred when reviewing this item"


Why it is difficult to upgrade from 11.04 to 13.04?

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


Prove that the set $A := \left\{ (x,y) \in \Bbb R_{> 0}^2 \mid xy \geq 1 \right\}$ is convex

Proving $\{(x_1, x_2) \in \mathbb{R}^2_{+} \mid x_1 x_2 \geq 1\}$ is convex


Videos from youtube (ONLY) are not streaming in any browser in UBUNTU GNOME 14.04 LTS x64


Providing fusing for motors if system is protected by a fused disconnect?

Providing additional fusing for multiple motors one branch circuit


Limit of the sequence $\lim_{n\to\infty}{\sqrt[n]{4^n + 5^n}}$

Convergence of $\sqrt[n]{x^n+y^n}$ (for $x, y > 0$)


Javascript not sorting Array with multiple values


How to avoid the "http:" part in hyperref's \url?


What does "Have fun with 'em homies" mean?


Ubuntu does not change refresh rate , causing Eye strain

How to see/change screen refresh rate or monitor frequency?


Two Craigslist “Buyers” were trying to scam me

Received an unexpected cashiers check for over $2K from another state - is this some scam?


How can I SELECT rows with MAX(Column value), PARTITION by another column in MYSQL?


libboost-all-dev didn't generate the '-mt' libraries


Genarating Random Move right left up down


ECMAScript 6 to ECMAScript 3 transpiler?

ECMAScript:Harmony / ES6 to JavaScript compiler


Modular document – retrieving file with compilation error

Identifying which part of a large document is being compiled


How can I avoid going through this annoying procedure to get my Bluetooth speaker connected?

Video not playing in web browser with Bluetooth headphones connected. How can I fix this?


How do I know all IP related to the wireless LAN in ubuntu 14.04?

Equivalent of iwlist to see who is around?


What happened to the rest of the Night Fury dragons?


Simple Proof by induction: $9$ divides $n^3 + (n+1)^3 + (n+2)^3$


Why "being stripped" was used in this example ? Why not "to be stripped"?

Can we use "to be stripped" instead of "being stripped" in this sentence?


Given entire functions $f$ and $g$ with $|f| \leq |g|$, show $f/g$ is entire

Suppose $f$ and $g$ are entire functions, and $|f(z)| \leq |g(z)|$ for all $z \in \mathbb{C}$, Prove that $f(z)=cg(z)$.


Know Ubuntu Distribution server or desktop

How to check if Ubuntu Desktop or Server is installed?


NullPointerException on setting date from Notes document

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


Is it a good practice to always scale/normalize data for machine learning?


How do I execute an action when the readystate is 4?

How do I return the response from an asynchronous call?


Let $L= gl(n, \mathbb{C})$. Show that the killing form on $L$ is given by: $k(a,b) = 2nTr(ab) -2(Tr(a))(Tr(b))$

What is the Killing form of $\mathfrak{gl}_{m}$?


Which function "loops" after deriving it $n$ times?

Functions that are their Own nth Derivatives for Real $n$


Word for small plastic takeaway cups for dressings, salsa, etc

What is the name of the small containers of half & half, etc.?


If a series diverges, dividing it by the sequence of partial sums preserves divergence


Comparison of positive predictive value between two models

Statistical test for positive and negative predictive value


How to link properties between the original and duplicated object?


Software to calculate forces between magnets

Where can I find simulation software for electricity and magnets?


Is it possibly to automatically indent HTML source outputted by PHP?

How to get pretty HTML source code from PHP generated output?


When does touch command need the file to exist?

touch: cannot touch file: No such file or directory


Create an instance based on condition via returned generic T type

How to create a new object instance from a Type


First line in beamer block ignores abovedisplayskip?

Beamer Block: White Space When Using Math


Not able to launch WiFi in Ubuntu 16.04 with RTL8723DE

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


Automatically Determine which TeXLive Version is being used


how can I prove with induction this: $\binom{2n}{0}\le \binom{2n}{1}\le\binom{2n}{2}\le \cdots\le \binom{2n}{n}$?


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


Creating Voronoi for points that consider separated land or gaps in land


How to export tangent data from blender with python

Script access to tangent and bitangent, per face: how?


What do we call the “rd” in “3ʳᵈ” and the “th” in “9ᵗʰ”?


Can Lightning App be published to AppExchange and visible in both Classic and Lightning Experience?


Avoid duplicated code 'cause of null objects?


How to save an activity state using save instance state?


Where are references and pointers enforced?

What are the differences between a pointer variable and a reference variable in C++?


using python, Remove HTML tags/formatting from a string


What is the best way to backup Skyrim saved games?


Finding the remainder of a 6 degree polynomial and polynomial itself. Using some algebraic or graphical techniques.

Solving a six-degree polynomial of the form $ax^6+bx^3+g$.


What is the Ubuntu equivalent of the Windows Start Menu?


Can you make a non-polar electrolytic capacitor out of two regular electrolytic capacitors?


Is there a name for the "a"/"an" exceptions?


JasperReport Exception NoClassDefFoundError: org/apache/commons/collections/ReferenceMap

Why am I getting a NoClassDefFoundError in Java?


Compute the period of a decimal number a priori


Compare the difference between two text files and note the lines which are different in C#


Why has the innkeeper put a price on my head?


A pattern that matches all except starting with a word

Regex: match everything but specific pattern


Decrement the column value by 1 before finding that value in array (MySql WHERE Condition)

Is it possible to decrement a variable in MySQL?


View photos in Windows 10 withtout border

Image viewer without large window borders


Proof by induction that $a_0 = 1, a_1 = 1, a_n=2a_{n-1} + 3a_{n-2}$ satisfies $a_n = \frac12 (3^n) + \frac12 (-1)^n$


Do all the VDDIO pins need power in on a chip?


Php artisan migrate unable to access mysql database

can't login as mysql user root from normal user account in ubuntu 16.04


How to interpret the output of a 3-pin computer fan speed sensor?


Convenient way to check if system is using systemd or sysvinit in BASH?

How to determine which init system is used?


Java - Why does OutputStream.write(int) take an int to write a byte?


Which year to use to pay US taxes on business income that was invoiced in December but paid in January?

What tax year does my income get assigned to if my client sends the payment in December but I receive it in January?


I can't move, rotate or scale in blender 2.8 object mode

Trying to move an object moves the texture on the object instead


Can't pipe from echo to bash built-in read?

Why is my variable local in one 'while read' loop, but not in another seemingly similar loop?


Positioning background image, adding padding


Add brackets([ ..,.. ]) before and after braces in C#

Most efficient way to concatenate strings?


Why did I lose 6 reputation without any record of it?

How do I read the history of my reputation?


Emissive shader does not change much in changes of orders of magnitudes

Cycles: Emission Shader does not bring enough light


It was the third time I had gone to Rome or It is the third time I had been to Rome

What is the difference between "I've been to China" and "I've gone to China"?


Why get Armor after Attack but before Shields?

Why are shields always the last upgrade researched by the pros?


Using grep to omit values given in a text file

Find pattern from one file listed in another


Show that $\mathbb Z/p\mathbb Z$ contains no zero-divisors except $0$

If $p$ is a prime and $p \mid ab$, then $p \mid a$ or $p \mid b$.


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


How to work around wildcard inside double quotes?


Tar crontab not working, while command works on it's own


How to register LLC in the US from India?


Java: how to do double-buffering in Swing?


What's the difference between an application, a process and a service?

What's the difference between an Application, a Process, and a Service?


After submitting a revised manuscript (moderate revision was requested), what are the steps followed?

What does the typical workflow of a journal look like?


How do I iterate over the words of a string?


Identities of the Hyperoperation heirarchy

Are there nontrivial equations for hyperoperations above exponentiation?


What is one word for describing the feeling when you are "overwhelmed" from eating something rich or too sweet

What do you call the feeling you get when you're satisfied to the point of nausea?


flushleft adds empty page when used for bibliography

How to prevent automatic justification of references?


Behaviour of ($\overline{a}_n)_{n=1}^{\infty}$ and ($\underline{a}_n)_{n=1}^{\infty}$


My ipod 1st gen is disabled for 45 years and wont sync to my laptop since it is disabled

Error message "iPod is disabled. Try again in 22,236,924 minutes."


Simple insecure two-way data "obfuscation"?


Is the series $\sum\limits_n\frac{(-1)^n}{\ln(n)+\cos(n)}$ convergent?

Convergence of the series $\sum\limits_{n=2}^{\infty} \frac{ (-1)^n} { \ln(n) +\cos(n)}$


Why am I getting System.Collections.Generic.List`1[System.String] instead of the list's contents?


About Edge of Tomorrow: How Rita can know she lost her powers?


How Should I refocus camera on an object while editing?

What's the quickest, easiest way to point the camera somewhere in blender?


Ubuntu gets black screen after initial logo

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


Does LaTeX support including a specific part of an \input, like a specific environment and ignoring everything else?


How to cover the below lines of code in a test class?


Traveling with ESTA while having a F1 student visa

Can I visit the USA as a VWP tourist immediately prior to entry on non-tourist visa?


Prove or disprove: $ \mathbb{Q} \times \mathbb{Q[i]}$ is integral domain

Zero Divisors in Direct Product of Rings


How to prove that a Group $G$ with order $p^2$ must be a abelian group(where p is a prime)?

Showing group with $p^2$ elements is Abelian


What is the point of "final class" in Java?


Motion tracking a shot where no tracking point is in frame throughout the video

Tracking very long shot with no points in common between first and last frame


Cannot remove folder. The file name or extension is too long while copying an extracted folder from its original location to another location

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


How to bottle your own homemade salad dressing


each_slice like in javascript from ruby using opal

Equivalent of Ruby Enumerable#each_slice in Javascript?


When to use Interface variable vs implementation variable

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


remainder of the division of $\overbrace{11\ldots1}^{124 \text{ times}}$ by 271 .

Finding the remainder of $\overbrace{11\ldots1}^{123 \text{ times}}$ divided by $271$


$\lim\limits_{i \to \infty}a_i=a$ prove $\lim\limits_{N\to \infty} \sum\limits_{i=1}^N \frac{a_i}{N}=a$

On Cesàro convergence: If $ x_n \to x $ then $ z_n = \frac{x_1 + \dots +x_n}{n} \to x $


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


Can I restrict a user to use special programs?


how to get b43 wifi to work reliably on MacBookPro8,2?


Why does this code not result in a memory leak?


Linear regression including categorical variables with hundreds of levels

Preprocess categorical variables with many values


Usage of passive forms without "be" verb

passive Vs active or omission of 'which is'


How to post a "Possible duplicate of [QUESTION]" comment?

Can we clarify to the OP that their question is not yet closed and the duplicates are only suggestions?


Null object reference: When filling a textView with .txt data

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


What is the lexical class of the word 'worth' when used in a sentence like "Is this apple worth $3?"


What does it mean to settle a trade between bid and ask?

Can a trade happen "in between" the bid and ask price?


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


Simulating group_concat MySQL function in Microsoft SQL Server 2005?


Proof for $A \cup B = B$ if and only if $A \subset B$


Let $a,b,c$ be positive real numbers such that $abc =1$

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


Launching a subprocess which survives parent process

How do I launch a completely independent process from a Java program?


What are the legitimate uses of the `touch` command?


Test for correlation between continuous and categorical variable

Correlations with unordered categorical variables


Transferring specific data from an old PS3 to a new one?

Is it possible to get data off of a dead PS3?


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


I can't see links, it looks like text, do I need glasses?


When should I not use .com as a generic top-level domain? (.com vs .net, .org, etc.)


Convert a list into one row with dynamic column in MySQL

Display Monthly Attendance Report in MySql


Request to be able to delete tag synonyms


We want to combine the field values with the result values to produce the result as a map

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


Probabilities of entangled state. Quantum measurement

What is the result of measuring $\sigma_x$ on the state $|01\rangle+|10\rangle$?


Why do you have to bond the neutral and the ground wire in the main panel?

Is it ok to have mixed grounds and neutrals on bars in a breaker box?


How can I run a CGI script properly in a ec2 instance running an Apache server

How do I configure Apache 2 to run Perl CGI scripts?


Difficulty in understanding the proof : S must have infinitely many accumulation points.

Must an uncountable subset of R have uncountably many accumulation points?


A doubt in the rigorous definition of limits.

Why does the definition of limits of a function have strict inequality?


adding new pair in dictionary why the last added 'mynewkey': 'mynewvalue' came first in dictionary

Why is python ordering my dictionary like so?


Passing php variable as parameter to javascript

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


Determine the size of an object from an aeriel photo

What is the relationship between size of object with distance?


LM1084, should I leave the copper area connected to the TAB floating?

Difference between regulator's tab and pin?


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

How do you set the expiry date or a maximum age in the HTTP headers for static resources in IIS


A cross-entropy loss explanation in simple words


Can I create a PokeStop in an open playground?


How to verify if a given tree is a Binary Search Tree or not

How do you validate a binary search tree?


Will it ever be possible to use wrapfig with an enumerate or itemize environment?


Getting the right WPF dispatcher in a thread

How do I get the UI thread's Dispatcher?


GParted can't resize partition, but unallocated partition is available


Warning: mysql_result(): supplied argument is not a valid MySQL result resource in (...) on line 4


Is there a way to point many domain names to the same IP without repeating the IP

How can I manage all of my domains with minimal configuration?


What are Uncertainties in Quantum Mechanics intuitively?


Factorization of a number obtained by a modular multiplication operation can reveal factors of the used operands?

How is information disclosed by modular multiplication?


Is there an inductive definition of real numbers with a corresponding "proof by induction"?


what is the difference between these definitions?

What is the distinction between DownValues, UpValues, SubValues, and OwnValues?


Unicoin mining doesn't work on iPhone / Chrome

Is it possible to successfully mine Unicoins on iOS?


Ubuntu Stuck at BusyBox `[Firmware Bug] : TSC_DEADLINE disabled due to Errata; please update microcode to version: 0x52 (or later)`

[Firmware Bug]: TSC_DEADLINE disabled due to Errata - what should I do about this?


How to change the color of different files in ls

What causes this green background in ls output?


Launch Application or show Dialog from Notification Area

check android application is in foreground or not?


The mysql_fetch_array() is duplicating every thing

remove duplicating fields in php-mysql result rows


View the assembly code for C source code through gcc in the terminal

How do you get assembler output from C/C++ source in gcc?


Empathy won't connect to my Facebook account

Adding Facebook Online Account - "application you are trying to use doesn't exist or has been disabled"


proving $ \sqrt 2 + \sqrt 3 $ is irrational

Can $\sqrt{n} + \sqrt{m}$ be rational if neither $n,m$ are perfect squares?


Can I use the same keystore file to sign two different applications?


Assign output of os.system to a variable and prevent it from being displayed on the screen

Running shell command and capturing the output


Why does this number get increased by one?

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


Cardinality of continuous functions $f:\Bbb R\to \Bbb R$

Cardinality of set of real continuous functions


Where does the phrase "that tracks" come from?


What's a word for someone whose personality or character changes a lot and get more affected than others by other's company or influential people?


Should a linear function always fix the origin?

What is the difference between linear and affine function


NullPointerException when using intent extra

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


Text doesn't fit in the box when editing

Text is overflowing form fields in the Android app


Save static version of a webpage to be available offline


Given $a=qb+r$, prove $\gcd(a,b)=\gcd(b,r)$


New activity does not open on button click


Custom off topic dialog allows incomplete sentences from the prefill

Require the "Other" off-topic close reason to be specified


What are the advantages/disadvantages of creating tag synonyms?

What are tag synonyms and merged tags? How do they work?


Is Qt Visual Studio add-in a subset of Qt Visual Studio integration?

What's the difference in the Visual Studio integration tools for Qt?


Difference between that and which. Can that follow a comma?

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


NULL value in query_plan column from the sys.dm_exec_query_plan DMV

Pulling Top queries returns NULL in query plan and sql text


How to fix "Headers already sent" error in PHP


java selenium, if condition doesnt execute


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


Using \hfill in a beamer \frametitle in the wuerzburg theme


Ubuntu crashed while upgrading to latest version

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


Could a house elf use Side-Along Apparition and bring a wizard or wizards into Hogwarts that way?

Can House-Elves Side-Along Apparate/Disapparate to/from Hogwarts?


Convert Decimal value to Hexadecimal in Visual C++

Decimal to hex conversion c++ built-in function


Add different materials to different parts of a mesh?


Fetching packages from old-releases.ubuntu.com fails with 404 Not Found

Can I skip over releases when upgrading?


Programmatically set the value of a type="file" input HTML element?

How to set file input value when dropping file on page?


when (or not) is a property created in an controller's scope?

What are the nuances of scope prototypal / prototypical inheritance in AngularJS?


Sci-fi dystopian book about a boy who rides a motorcycle

Anyone tell me the name of this half-remembered sci-fi story about a genius teaboy?


can someone help me: java.net.SocketException: Connection reset


Is it possible that gravitation is not reconcilable with quantum mechanics?

Is it possible that there is no theory of quantum gravity?


Matlab reports "Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException"

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


Prove that for all positive integers $n$, $2^1+2^2+2^3+...+2^n=2^{n+1}-2$

Prove by induction. How do I prove $\sum\limits_{i=0}^n2^i=2^{n+1}-1$ with induction?


Truncate Log Files in SQL Server 2008 R2

How do you clear the SQL Server transaction log?


Why is the Trade Federation interested in Naboo?

Why was the Republic so interested in Naboo?


Delete first 3 characters and last 3 characters from String PHP


$(n-1)! \equiv 0 \pmod n$, Wilson's Theorem version for non prime moduli

If $n\ne 4$ is composite, then $n$ divides $(n-1)!$.


Uninstall a package that I have installed using a .sh script


Where can i find a texture like this? (Silky thick smoke)


Is there a way to identify a user in a custom REST API method?

wp_get_current_user() function not working in Rest API callback function


Is it possible to always show hidden/dotfiles in Open/Save dialogs?

How to show hidden files and folders in Finder?


c++ template method definition does not recognise using alias

Where and why do I have to put the "template" and "typename" keywords?


Analyzing Windows 7 intermittent freezes

How do I troubleshoot a Windows freeze or slowness?


Valid Canadian Visitor Visa in my old passport with a removed machine readable zone

Can I travel to Canada with valid visa on old/expired passport?


Centos Server no disk space but df says there is plenty

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


How to analyse 'Element not Found' exceptions when working with Selenium


Does zero correlation mean no causation?

Why zero correlation does not necessarily imply independence


Finding value of definite integral - $f(f(x)) = x$


Q_OBJECT throwing 'undefined reference to vtable' error

Qt Linker Error: "undefined reference to vtable"


What is the word for a person who thinks/afraid others can change them?

Word for unquestioning belief/opinion.... Doctrine? Ideology?


What is the scope of variables in JavaScript?


Polynomials with even constant term form an ideal in $\mathbb{Z}[x]$

Show that $\langle 2,x \rangle$ is not a principal ideal in $\mathbb Z [x]$


How can I use jQuery for a growing #of selectors?

Event binding on dynamically created elements?


Unable to install windows 7 over ubuntu 14.04. ( to remove ubuntu )

How to remove Ubuntu and put Windows back on?


How to make a paragraph appear closer to the itemization than the preceeding paragraph?

How to remove the whitespace BEFORE itemize/enumerate?


Problem with desktop environments ubuntu

How do I resolve unmet dependencies after adding a PPA?


How to make first letter of each word in the string into uppercase if string has different cases?

Convert string to Title Case with JavaScript


Does the equation have a real solution...please help!


Creating a new object from a class error Java

Non-static variable cannot be referenced from a static context


I have a problem understanding the proof of Rencontres numbers (Derangements)


Is it possible that the particles can be brought by some external agency without changing the kinetic energy?


egrep -rnw . -e "string" returns line and adjacent lines

output neighbouring lines with line numbers while grepping


php replace first occurrence of string from 0th position

Using str_replace so that it only acts on the first match?


Where are all the major log files located?


How to remove profile picture in Google account?

How to view the full size and remove old Google Profile pictures


Attach a pre-exising SQLite database in Android


Interpolation between derivatives on bounded interval

Inequality involving the sup of a function and its first and second derivatives


Finding the minimum value of $a^2+b^2+c^2$

How to prove $a^2 + b^2 + c^2 \ge ab + bc + ca$?


Linux -Can I rsync to dropbox or another free cloud storage service?

What's needed for a complete backup system?


How can I tell if this is a load bearing wall?

Are there ways to determine if a wall is load bearing?


What are the consequences of a US citizen overstaying a Schengen visa?


Fast pixel comparisons with opencv and python

How do I avoid looping through an image pixel by pixel with opencv & numpy


shell script set the default numbers as double digit zero as prefix


What is physical significance of product of Inertia?

What's the physical significance of the off-diagonal element in the matrix of moment of inertia


New 61W USB-C Apple power adapter to old Magsafe2 45W Mid- Apple Mac Air 2012


Storing value in two variables and changing one affects both variables in Javascript

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


"Inspirational" quote at start of chapter


Does this analogy with matter and energy hold?

Possibility of making dark energy equivalent with dark matter


Do you see the outside world from inside the black hole (can you see past the horizon from inside it)?

What will the universe look like for anyone falling into a black hole?


Counting number of perfect matching in bipartite graph.


Inverse element in associative structure not necessarily unique

A ring which has many distinct left inverses


Is Angular Momentum Defined Only For Spinning Objects?

How is Angular Momentum Conserved when Mass is Released?


Is Kinetic Energy stored as (rest) mass?


RegEx match open tags except XHTML self-contained tags


"Seventeen days' notice" versus "seventeen day's notice"

"24 hours' notice" or "24 hours notice"?


Proper noun capitalisation: “The Union” or “the Union”?

Capitalizing "the" when mid-sentence in a company name?


What all techniques are used to display blood in films/television shows?

What kind of blood do they use in movies for bloody scenes?


Replace arbitrarily many nested for-loops with a generator

Get the cartesian product of a series of lists?


What ships did father serve on in Royal Fleet Auxiliary (RFA)?

Finding WWII Royal Fleet Auxiliary (RFA) Records?


Where to get images for large format prints?

What resolution should a large format artwork for print be?


Steps to take to improve email deliverability

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


why is IE11 choosing render mode: "IE7 Strict" and how to i make it use current browser?

IE11 Document mode defaults to IE7. How to reset?


How to install comands ./configure, make, install in an offline ubuntu 20.04 server

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


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


Why destructor is not called on exception?


Showing Hibernate/JPA results in JSF datatable causes: java.lang.NumberFormatException: For input string: "[propertyname]"


Why can't electric field lines intersect each other?

Why can two (or more) electric field lines never cross?


Schema permission giving on all tables in Oracle

Grant Select on all Tables Owned By Specific User


(pyqgis) How to get temp object created by the processing tool "qgis:saveselectedfeatures"

Getting Output names of Processing algorithms via PyQGIS


Detect unneeded headers in a C file - GCC

How should I detect unnecessary #include files in a large C++ project?


Is it possible to use an image in the background of the log on screen?


I can't seem to solve this Table align error. Please help

How should I use % sign that it can be printed out correctly?


Proving $\gcd(a_1,\ldots,a_m)\gcd(b_1,\ldots,b_n)=\gcd(\text{all products $a_ib_j$})$

Expanding GCDs Reasoning: $\gcd(a,c) \cdot \gcd(b,c) = \gcd(ab,bc,ac,cc)$


To What Extent are Magnetism and Gravity Related and Unrelated?

Noticing that Newtonian gravity and electrostatics are equivalent, is there also a relationship between the general relativity and electrodynamics?


how to put 3 different tikz pictures into a page width

How to make a figure span on two columns in a scientific paper?


SSH key-based auth asks for password on first login

Passwordless SSH only works when I'm already logged in on SSH


Instantiating multiple instances of a class from within

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


Is there a built-in product() in Python?

What's the function like sum() but for multiplication? product()?


Java: How to check if a lock can be acquired?

How do determine if an object is locked (synchronized) so not to block in Java?


Weird phenomenon on aluminum laptop casing

Why does my wife's skin buzz when she's using her laptop?


Why does my python dict become unordered?

Why is python ordering my dictionary like so?


Why is a Coulomb the charge of $6.24 \times 10^{18}$ electrons?


On the recent changes to flagging and limits


Accidentally deleted all OneDrive files while cleaning up OneDrive and can’t recover them with Restore

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


Will the site association bonus come after I already have the account?

What is the association bonus, and how does it work?


Stopping all automatic updates Windows 10


Distributions supported on a single point


How to have big local drive available both from Window and Linux in dual boot?

What USB drive filesystem works out of the box on Windows, Linux, and OS X?


How to decide if an effect is magical for Magic Resistance?


Logo colors look very different on different devices, how to resolve?

How can I make sure that my on-screen colors are consistent?


How does radiation from a nuclear accident "infect" clothing and people?

How does an ordinary object become radioactive?


If $M$ and $N/M$ are finitely generated, then so is $N$.

$M$ finitely generated if submodule and quotient are finitely generated.


Advantages of using [] over new Array() in JavaScript


Drawing a TikZ arc specifying the center


How to put %span inside of =link_to helper?


Hide a div when foucs is out or clicked outside div

How do I detect a click outside an element?


Javascript event binding in Microsoft Edge not Working in lightning Components

Onclick not working in lightning components in Edge


Why doesn't a service block the app if it runs in the main thread?

What is the difference between a process and a thread?


how to run applications after start in openbox automatically?

How can I add new autostart programs in Lubuntu?


How do I get a USB drive shortcut on ubuntu 19.04 desktop?

No icons for automounted volumes on GNOME / Nautilius desktop on Ubuntu 19.04


Removing Punctuation From A List Of Words Python

Best way to strip punctuation from a string


How to set security options for a PDF using pdflatex


An error in pgf libraries after an update

PSTricks: Newly introduced error in package


Simple python question: two equal lists acting differently

List of lists changes reflected across sublists unexpectedly


Prove (or derive) the de Polignac formula for the prime decomposition of $n!$


Different ways to prove there are infinitely many primes?


Can the Lorentz force expression be derived from Maxwell's equations?


'Me' vs 'my' [pronunciation] in British English


How do I static_assert that a value parsed as const& is the right type?

Is there a type-trait to remove top-level cv and reference at once?


Is there a way to use identities in Mathematica efficiently?


Error in a static method in a inner class


Zombie process cannot be removed or killed

How can I kill a  process whose parent is init?


JavaScript Object Literal Notation Internal Variable Pointing

Self-references in object literals / initializers


Ctrl+Alt+F7 doesn't switch back to X session in Kubuntu 18.04 Bionic

How do I switch between console mode and GUI in 17.10 and newer?


Scripting Python to show Megabits/second in Real Time

How can I parse the output of /proc/net/dev into key:value pairs per interface using Python?


Why do I get (author?) when I use \citet with natbib?


Change input language separately in different applications like in windows

How to use different input language for different active (application) windows?


Why does this user's picture keep changing?

Why does my generic avatar keep changing?


Blend Mode Alpha Clip Doesn't Show in Eevee Render

Intersecting transparent object causing artifacts in cycles


Is there any potential associated with magnetism


Is conjugation in infinite groups well behaved?

If $G$ is a group, $H$ is a subgroup of $G$ and $g\in G$, is it possible that $gHg^{-1} \subset H$?


is there any advantage in using ' ?: Operator ' vs an if else statement?

?: Operator Vs. If Statement Performance


Why Standard Deviation is more popular than Mean Absolute Deviation?

Why square the difference instead of taking the absolute value in standard deviation?


Reducing Output length by introducing new variables

Can I simplify an expression into form which uses my own definitions?


Fixing gaps in mysql table row id after we delete some of them

How to handle fragmentation of auto_increment ID column in MySQL


Compatible OS on AMD APU Dual Core-E1-2100 with 4Gb RAM

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


How can I reverse the direction of bones in my armature?


Need a counterexample related to Interior and Closure

How many sets can we get by taking interiors and closures?


Recovery my data on internal storage (deleted permanently 1 month ago)

How to recover a deleted file from /data partition?


Uses for multiple levels of pointer dereferences?


Finding the first and the last address for a given IP address


What projection should be used along Gulf Coast?

Choosing Projection for Gulf coast region of USA?


Applications of low-dimensional topology to physics

Applications of Algebraic Topology to physics


Is it Possible to undo a typed character into a JText area?

How to limit a JTextArea to only accept a legal set of characters?


How do I change the color of the desktop icon text?

How to customize 19.10 Desktop Icon Font Size


How to read up on what's on topic in-app?

Accessing site-specific Help Center from iOS app


Python script writes no output when stdout is redirected to a file


Trying to recover my password on my old Windows 7 laptop - or at least change it

What can I do if I forgot my Windows password?


Integration by Parts and the Constant of Integration

Constants of integration in integration by parts


How to calculate Public Key exponent if I have p, q, Dp, Dq, QInv?

Calculate the RSA private exponent from the CRT parameters


How to compare my slope to 1 rather than 0 using regression analysis and t distribution?

Testing a regression coefficient against 1 rather than 0


Where can I find cpu temperature and frequency without any specific command?

How to get core temperature of haswell i7 cores in i3status


Get files in a directory sorted by last modified?

Best way to list files in Java, sorted by Date Modified?


Prevent error "is undefined" in if statement


Will using a DX lens on an FX Body compromise ISO performance?


My keyboard has no volume control keys; how do I assign shortcuts to control the global sound volume?

How can I control the master volume in Windows?


How to open an application in terminal and detach it?


Prove that $\lim_{n \rightarrow \infty}\sqrt[n]{n}=1$

Limit of the sequence $\lim_{n\rightarrow\infty}\sqrt[n]n$


Installing GSON JAR file and using it with Java


Static int data value printing as hex instead of int [Java]

Why are integer literals with leading zeroes interpreted strangely?


Sum of reciprocals of odd prime numbers equal to one

Egyptian fractions with prime power denominators summing to 1?


In which episode of "Rick & Morty" does Jerry go into labour?

Which scenes from the title sequences of Rick and Morty are from actual episodes?


Probability and proportion from standard deviation and mean

The lifetimes of a colour TV picture tube


Apache24 - force https except specific IP

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


Gson isJsonObject() throws NullPointerException

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


Tips for improve photography skills in android phone camera

How do I get the best results with a cell phone camera?


Plot points with coordinates from txt-file


How to squeeze error message out of PDO?


Comment out text in R Markdown (Rmd file)


Event binding on dynamically created elements?


block syntax difference causes "LocalJumpError: no block given (yield)"

Code block passed to each works with brackets but not with 'do'-'end' (ruby)


Find all $n,k \in \Bbb N^+$ such that $(n-1)!=n^k-1$

To find all $n$ such that $(n-1)!+1$ is a perfect power of $n$


What do I do when I reset a device and it says I have to sign in with a Google account that was previously synced on this device it's Alcatel Pixi 4

How to bypass "Verify your account" (Factory Reset Protection)


Assumptions behind simple linear regression model

What is a complete list of the usual assumptions for linear regression?


Sharepoint 2010 User permissions for all sites/subsite/folders

Powershell get permission on SPSite/SPweb (and all list)


scaling a tikzpicture in beamer with some text

How to scale a tikzpicture including texts?


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


How can I write a regex which matches non greedy?

How do I match any character across multiple lines in a regular expression?


Uncheck checkboxes by changing particular checkbox state


Show that a sequence involving $\sqrt2$ converges

Show that the sequence $\sqrt{2},\sqrt{2\sqrt{2}},\sqrt{2\sqrt{2\sqrt{2}}},...$ converges and find its limit.


When to choose em dash over parenthesis for parenthetical phrases?


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


Simple combination with repetition problem


Can I work in the US if I have a B visa?


Significance of assumption in competition inequality questions


Simulating group_concat MySQL function in Microsoft SQL Server 2005?


Geometric average less or equal to arithmetic one


Show that $f$ has an essential singularity at o

holomorphic function on punctured disk satisfying $\left|f\left(\frac{1}{n}\right)\right|\leq\frac{1}{n!}$ has an essential singularity at $0$


Show a notice when a question cannot be deleted through the mobile site

Deleting your own closed questions fails silently on the mobile site


How can I write special symbols in a Stack Overflow question?


The preimage of a Lebesgue measurable set under a measurable function need not be measurable

Pre-image of a measurable set A is always measurable?


What is the use of the *~ files; are they some kind of default backup in Ubuntu/Linux?

What does the tilde at the end of a file name stand for?


How to remove Ubuntu and put Windows back on?


How many invertible elements are there in $\mathbb {Z_ {990}}$ and $\mathbb {Z_ {1060}}$.

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


Instantly detect client disconnection from server socket


How is red shifting explained with quantum mechanics?


How does a 16-300mm f/3.5-6.3 lens differ from a 50mm f/1.8?

If I have a 18-55mm lens, is there a point in buying a 35mm prime lens?


SQLite : multiple inserts in a single query

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


Is "And every time the ladies pass they be like 'Hi Will'" correct grammar?


How to do a hg update or clone in one line of bash?


Can I bring a beach sand to the US as a souvenir?


Basic idea to show that the class of regular languages are closed under merging / modified shuffle

Show that the class of regular languages is closed under shuffle


Summoning Fireball via a command on xbox one

Setting command block with preset commands in Minecraft PE?


Regex result negative only with Python re.match

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


Python function similar to combination and permutation

Get the cartesian product of a series of lists?


Why does what appaears to be a Geomtric Series simplifiy to this?

Find a closed formula for $\sum_{n=1}^\infty nx^{n-1}$


Is Cursed Child canon to the original story?

Which Harry Potter works are considered canon?


Need to expand a Volume but Windows10 won't let me

Is it safe to remove the extra local disk after upgrading to Windows 10 version 1803?


80's SF TV show where people are underground and cans have generic labels like MEAT

Identification of mid-80s time travel tv show


Error when trying to detect the similarity of strings in java

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


Proving that every Hölder-continuous function with an exponent $\alpha>1$ is constant.

Function on $[a,b]$ that satisfies a Hölder condition of order $\alpha > 1 $ is constant


PuTTY slow connecting to Linux SSH server


What does -%> mean in Ruby on Rails, compared to %>


Cell style inheritance and specifying the same style twice

Order/Dependency of Styles in a Stylesheet


The space $C^1[a,b]$ with respect to the norm $\int ^a _b |f| +\int ^a _b |f'|$ is not complete

Is $C^1[a,b]$ with the norm $\left \| f \right \|_1=(\int_{a}^{b}\left | f(t) \right |dt)+(\int_{a}^{b}\left | f´(t) \right |dt)$ a complete space?


Inversion in "Only when the virus introduces its nucleic acid into a cell does disease occur"


How do I calculate $u(w)=\int_0^\infty \frac{1-\cos(wt)}{t}\,e^{-t}\,dt$?


How does Java Garbage Collection work with Circular References?


In Microsoft SQL Server 2008, syntax generates the error "The Parallel Data Warehouse (PDW) features are not enabled."


It is possible to install Lubuntu with an other computer using LAN cable?

Clean Install Of Ubuntu Server over the network?


Overriding the java equals() method - not working?


Would Voldemort see his diary self as a threat?

If diary Tom Riddle had succeeded, would there have been two Voldemorts?


Do I need UK transit visa to move from Terminal 3 to Terminal 5 Heathrow?

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


Does there exist an integer $x$ satisfying the following congruence:

Does there exist an integer $x$ satisfying the following congruences?


Time dilation of a body A with respect to B

How is the classical twin paradox resolved?


tikz problem using \draw ... to[out in] and mirroring/rotating

Problem with `in` (to path) angle when negative scale factor are applied


Reputation tally in profile counts -1 for downvotes but not +1 for deleted downvotes

Difference between reputation since last view and actual


Prove that this bilinear form is symmetric or skew-symmetric

Bilinear form with symmetric "perpendicular" relation is either symmetric or skew-symmetric


php foreach Loop try not to copy a array

How to remove duplicate values from an array in PHP


Windows 10 fails to upgrade from Home to Pro edition

Unable to upgrade Windows 10 edition from Home to Pro


Exercise from Atiyah-Macdonald, Chapter 1, 2.iv)


Discrete structure of moving light in space-time. Does the light actually moving or it is triggered by cells of space-time?

Would time freeze if you could travel at the speed of light?


What are the consequences of the military coup in Turkey for travelers?


Gravitational attraction between two kilogram weights

The Time That 2 Masses Will Collide Due To Newtonian Gravity


Why does join syntax with stacked on clauses work?

What does the position of the ON clause actually mean?


What is this type of wire-connector called?

What do you call the connector type which is soldered on PCB and it holds cables by pressing on them by screws?


After all "Is the gravity a force or not?"

If gravity isn't a force, then why do we learn in school that it is?


Allow space with alphanumeric rule in jQuery Validator

jQuery Validate Plugin - How to create a simple custom rule?


Why is it still not possible to cut files to paste them elsewhere in Catalina?

Why is it not possible to use the "cut" command to manipulate a file in the Finder?


UnicodeEncodeError from parsed website (Python3)

Python, Unicode, and the Windows console


Is it safe to put a 120W equivalent LED bulb in a 100W max fixture?

Can I safely use a 9w LED bulb in place of a 40w incandescent?


Can I extend a class using more than 1 class in PHP?


How to iterate through GroupBy groups using Dynamic LINQ?


javax.crypto.IllegalBlockSizeException : Input length must be multiple of 16 when decrypting with padded cipher

Getting javax.crypto.IllegalBlockSizeException: Input length must be multiple of 16 when decrypting with padded cipher?


How exactly c++ vtable works? (with example in the q.)


How to test for minimum amount of items in inventory and execute a command if true


Why does “klick” mean kilometer in US military slang?


How do I make a 3 dimensional character out of flat picture?


Can a set of positive measure and its complement both have empty interior?

Construct a Borel set on R such that it intersect every open interval with non-zero non-"full" measure


Does unaligned memory access always cause bus errors?


Need to add Shader node to this tree but it's not available

Blender 2.8 - How to access material nodes?


Derivation of t-distribution for small sample from Normal population

A normal divided by $\sqrt{\chi^2(s)/s}$


Number of elements in the quotient ring $\mathbb{Z}_6 [x]/\langle 2x +4\rangle$

Cardinality of quotient ring $\mathbb{Z_6}[X]/(2X+4)$


Opening multiple instances of an application which doesn't allow it

Run multiple instance of any windows application


If log8n=1/2p, log22n=q, and q-p=4, find n

Can anybody help me with this logarithm problem?


Changing background color of textfield depending on value entered


Intermittent error with imgur when uploading images?


Is there any limit for asking questions?

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


How can I know the distance between two coordinates?

Calculate distance between 2 GPS coordinates


Changing value in list of list python. Why does it change whole row?

List of lists changes reflected across sublists unexpectedly


Confusion regarding the principle of least action in Landau & Lifshitz "The Classical Theory of Fields"


How do I remove a file named "NUL" on Windows?


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


Are Stack Exchange 1.0 Sites still available for creation?


how to create a random output from users input


Hiding queue counts to avoid the 'Starfish*' effect

Huge close votes review queue on Stack Overflow


Show that $T= \lambda I$, for some $\lambda \in F$, where $I$ is the identity map.

A matrix $M$ that commutes with any matrix is of the form $M=\alpha I$


In c# get Internet Explorer version and in what update it is


Functional Equations and information theory: $f(xy)=f(x)f(y)$ for all $x,y\in[0,1]$

Overview of basic facts about Cauchy functional equation


What is the easiest way to earn 9999 coins

Where are the densest locations for collecting coins?


How do I log the actual script's name in csvlog?

How to find out WHERE a PG error/warning/log happened?


Installing dependencies as a non root user

How to install program locally without sudo privileges?


How to tackle Uncaught ReferenceError when an HTMLbuttonElement on clicking cant identify the function targetted

What is the scope of variables in JavaScript?


Large down-vote count doesn't display negative sign


Where did the "art" in "Our Father who art in Heaven" go?


Working to create large prints dpi and size?

What resolution should a large format artwork for print be?


Thanks for checking this video out VS checking out this video

Verb question: 'check' vs. 'check out' in an invitation


Size of array function return size of int instead of array

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


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

Summation of natural number set with power of $m$


Whether a ball thrown upwards will come back to the same position if we consider the effect of rotation of the earth

Earth moves how much under my feet when I jump?


Is every evolutionary change an improvement?

Why, specifically, does each generation, on average, improve upon the design of the species rather than degrade it?


When to use Javascript prototype instead of regular object format

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


Does SE have a social life/relationships questions site


Two old gamblers alternate at rolling a fair 6-sided die until the first 6 comes up. Compute the probability of the first player winning.

Alternate moves, first one to roll a 6 wins: what's the probability of winning?


What does the factorial of a negative number signify?


Help with basic modular arithmetic question

Mod of numbers with large exponents [modular order reduction]


Attempt to invoke virtual method (Camera2)

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


I've built a Windows service as "Any CPU". Why does it run in 32-bit mode on my 64 bit machine?

What does the Visual Studio "Any CPU" target mean?


Can anyone tell me where this pic was taken?

Where was this picture taken (screensaver on LG Oled TV)?


In a Bash if condition, how to check whether any files matching a simple wildcard expression exist?

Test if there are files matching a pattern in order to execute a script


What are these stamps in my passport after I was advised to divert via the UK but didn't have a visa?


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


Wifi networks not showing after installing ubuntu 16.04 on Lenovo y50


How to convert hex string to float in Java?


HashMap vs Hashtable (get & put) Implementation

What are the differences between a HashMap and a Hashtable in Java?


Should I use "hasClass" before "addClass"?

Check if class already assigned before adding


Reliably converting HAML Rails files back to ERB/HTML

Is there a good HAML -> ERB/HTML converter?


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


How do I perform a JAVA callback between classes?


What are the infinities p and t in set theory ??

Is there a bijection between the reals and naturals?


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


Understanding why $\frac{\partial (F_{\mu \nu} F^{\mu \nu})}{\partial (\partial_\lambda A_\beta)}=4 F^{\lambda \beta}$ in Maxwell's Equations

Euler-Lagrange equation in curved spacetime: how to calculate $\partial \mathcal{L}/\partial(\nabla_\nu A_\mu)$?


.fbx export why there are no materials or textures?


vector iterator parameter as template C++

Where and why do I have to put the "template" and "typename" keywords?


Django model for storing multiple files in a single user profile


How to make binding between the ">" and "</"?

How can I set the text of a WPF Hyperlink via data binding?


Command with percent symbols not running in crontab


Automatically colour previously defined strings of text (for strings with spaces &/or punctuations)

Macro: Replace all occurrences of a word


I've mistakenly run "sudo chown -R $USER:www-data /"

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


How to control four 10-pin 7 segment display

Multiplexing two 7-Segment displays (Ghosting issues)


Prove that $F_n={n-1 \choose 0 }+{n-2 \choose 1 }+{n-3 \choose 2 }+\ldots$ where $F(n)$ is the $n$-th fibonacci number

How to show that this binomial sum satisfies the Fibonacci relation?


Inexplicable behaviour: round brackets without parameters in C++ primitives/objects initialization


! Package natbib Error: Bibliography not compatible with author-year citations


How can I change My monitor Imageing postion to left when i set low resolution?

How to trick windows 7 to use only a part of the screen


Unwanted glue with boxes in Picture environment

How to troubleshoot unwanted white spaces smartly?


`tikzpicture` is not working parallel with `\begin{table}… \end{table}`

\begin{figure}... \end{figure} is not working with tikz package


How can I solve $4x + 51y = 9$ using congruences?

solving diophantine equations using congruences


English hyphenation works well but French does not

Package babel Error: Unknown option `francais'


I forgot my password (Ubuntu 16.04) & can't open GRUB now

How do I reset a lost administrative password?


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


What is the correct usage of std::unique_ptr while pushing into std::vector

Why can I not push_back a unique_ptr into a vector?


Take to hospital or take to the hospital?

Is there a reason the British omit the article when they "go to hospital"?


Insert multiples rows/columns - PostgreSQL 9.2


Do my past votes stay if I drop below the rep threshold for voting?

Do votes get canceled if voting privilege is lost?


Flag to close dialog should have freeform off topic reason

Is an option missing in the new off-topic reasons?


What are the Ubuntu 13.04 32-bit desktop system requirements?

What are the system requirements for each flavour of Ubuntu Desktop?


What's different between 'serialVersionUID = 1L' and 'SUID is not declared'?

What is a serialVersionUID and why should I use it?


What does 301 in kernel version signify?


How to delete a project in Android Studio 0.3.6

How to delete a module in Android Studio


Current Host Server for Availability Groups

AlwaysOn AG: Current Host Server - Owner Node - Primary Instance


cd to the most recently created directory

Get the newest file from directory structure year/month/date/time


how can i fetch the tr of this structure in nokogiri of in html response


Unable to install most major packages; Unmet dependencies and cannot be fixed

How do I resolve unmet dependencies after adding a PPA?


Cyclically sort lists of mixed element types?


Java: splitting a comma-separated string but ignoring commas in quotes


Find isomorphic extensions of $\mathbb Z_3$ by $\mathbb Z_3 \times \mathbb Z_3$ which are not equivalent

Isomorphic extensions of $\mathbb Z_3$ by $\mathbb Z_3 \times \mathbb Z_3$ which are not equivalent


Windows Batch - get folder name inside a directory

Iterate all files in a directory using a 'for' loop


Is there a broadly-accepted term for the stylized scene separators in novels, like ⁂?

Is there a proper name for the 3 asterisks that are used to suggest temporal discontinuity?


changing title and meta tags via jquery. will it work for crawlers?

Does the Google spider render JavaScript?


unresolved external symbol, stack being implemented by vector

Why can templates only be implemented in the header file?


Use Dell Inspiron laptop monitor as only monitor for mac mini

Is it possible to use a Mac Mini with a laptop monitor?


Can I enter **FIRST** to a different schengen country from my d-type national visa

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


I'm making mistakes dividing large numbers

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


The equality for the probabilities of events

The Probability $P_{[m]}$ that exactly $m$ among the $N$ events $A_1,\dots,A_N$ occur simultaneously


Apex HttpRequest with PATCH method to update Outlook 365 Event

How can I make a PATCH HTTP Callout from Apex?


Are my arguments correct about limit points of $A=${$m+n\sqrt 2:m,n\in \mathbb Z$}?

Proving that $m+n\sqrt{2}$ is dense in $\mathbb R$


How many subgroups of $\Bbb{Z}_4 \times \Bbb{Z}_6$?

Determining the number of subgroups of $\Bbb Z_{14} \oplus \Bbb Z_{6}$


Why my transformation panel doesn't show align to objects to pixel grid option in Illustrator 2020?

Illustrator CC: Turn off align objects to pixel grid


How to take up the remaining space from the viewport height?

Make a div fill the height of the remaining screen space


Which has the heavier tail, lognormal or gamma?


Match every element in database document's array in Mongo

Matching an array field which contains any combination of the provided array in MongoDB