Infinite series $\sum_{k=1}^\infty \frac{k}{2^k}$ and $\sum_{k=1}^\infty \frac{k^2}{2^k}$


Add a auto increment primary key to existing table in oracle

How to create id with AUTO_INCREMENT on Oracle?


What are good ideas for getting the party together at the beginning of a campaign?

How do I get my players to form a PC party without just forcing them to?


I have a visa for Belgium. Is it required for Paris too?

Schengen Multiple visa travel free countries


Interesting property of finite integer sequence with sum 1


Mongoose Right Bike Gears shifting up magically

Twist shifter cannot shift down – what might be the cause?


Call user defined function from many notebooks

user defined functions, how to save them for future use?


Why does English spelling use silent letters?


How to remove wine broken icons in dashboard


How to display background images in perspective?

How do I get a constant Background Image?


Handling talkative neighbors when travelling

How do I avoid conversation with strangers while traveling?


Attempt to invoke virtual method 'void android.app.ActionBar' on a null object reference

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


Regex for special characters inside brackets

What special characters must be escaped in regular expressions?


Erros when compiling biblatex bibliography

Biblatex with Biber: Configuring my editor to avoid undefined citations


Write data used to plot d3 graphs in a file at client-side

How to create a file in memory for user to download, but not through server?


Prove that $\vert \tan^{-1}x-\tan^{-1}y \vert \le \vert x-y\vert\enspace \forall x,y \in ℝ$

Prove $|\arctan x - \arctan y|\leq |x-y|$


How do I punctuate a series of quotes from TV shows?


Remove the badge-activated tag creator, or just always show the creator

Why do some tag info pages show who created them and others don't?


How to implement custom icons for my script/addon?


Am I encouraged to ask my question on multiple SE QA Sites?

Is cross-posting a question on multiple Stack Exchange sites permitted if the question is on-topic for each site?


Hide "refresh" action bar item while showing indetermidate progress bar in action bar

How to show Indeterminate Progress bar when Refresh button is pressed in ActionBarSherlock?


Prove $\int_0^{\infty}\! \frac{\mathbb{d}x}{1+x^n}=\frac{\pi}{n \sin\frac{\pi}{n}}$ using real analysis techniques only


Why we can't call servlet constructor instead of init method to initialize the config parameters?


What possible advantage could there be in connecting several identical batteries in parallel?


[C]: When a pointer to a pointer to a struct is passed in a function, why can't it change the elements of that struct?

How to work with pointer to pointer to structure in C?


Can I use a famous or "patented" color on my projects?


Continous spectrum of black body radiation

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


Is XP only awarded to the PC that delivers the killing blow?

Is the XP for an encounter split among the party members or not?


Black Screen after Installing Ubuntu 20.04 LTS

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


Is it possible to negotiate getting a better credit card tier without the annual fee?

In what circumstances will a bank waive the annual credit card fee?


How to prove that Fibonacci number is integer?

The number $\frac{1}{\sqrt{5}}\left[\left(\frac{1+\sqrt{5}}{2}\right)^{n}-\left(\frac{1-\sqrt{5}}{2}\right)^n\right]$ is always an integer


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


Representation of the Lorentz group from representation of its Lie algebra

From irreducible representations of the Lorentz algebra to irreducible representations of the Lorentz group


What is the difference between != and  operators?


cannot subscribe to close event of window in IE

How can I override the OnBeforeUnload dialog and replace it with my own?


Why is a $\pi$ phase added on reflection and why do things change with absorption?

Phase shift of 180 degrees of transversal wave on reflection from denser medium


Why does this code crash at "temp[2]='X'?

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


PHP forums - how to cope with unread discussions / topics / posts


Ubuntu 17.10 version gives black screen with TeamViewer access

Ubuntu 17.10 won't allow me to remote access my desktop via TeamViewer


How can I know if an attempt is UB and how can I avoid them?

What are all the common undefined behaviours that a C++ programmer should know about?


Novel with main character able to mind-link to computers, a female telepath, a computer entity and a healing priest

Looking for the novel where a man could telepathically interact with electronic devices


Adding "Closest location" search to a Django application


To which countries in Europe can I travel without a visa with a blue card from Bulgaria

Can I travel to EU states with a Bulgarian Blue Card?


error "latexdiff: The Perl Script could not be found."

MiKTeX and Perl scripts (and one Python script)


How to understand "factor loadings" in PCA?

Making sense of principal component analysis, eigenvectors & eigenvalues


Defining the derivative of a Hermitian inner product symbolically

Derivative of conjugate multivariate function


Show that $k[x,y,z]/(xz-y^2)$ is not a UFD.


Java: how to convert RGB color to CIE Lab


Finding 1904 Birth Record from Constanta, Romania?

Where to find Birth and Death Records for Bucharest, Romania?


Is it possible to give sudo access to only a particular command?


How do I add fields to a layer attribute table .created by CSV import into QGIS?

Why can't I edit attribute table imported through 'text as layer'


Prove by induction that $2^n\le (n+1)!$ for all $n\in\Bbb N$.

Prove by induction: $n! \ge 2^{(n-1)}$ for any $n \ge 1$


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


Is there a noun that expresses the act of presenting false appearances?


Save a value of variable in a standalone application

How can I save application settings in a Windows Forms application?


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


Iterating over nested list of equal elements

List of lists changes reflected across sublists unexpectedly


I removed some of the black metallic covering of my pan, is it still safe to use?

Safe to use non-sticky pan with scratches?


Difference between serial and parallel execution with parallelism=1

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


can i install ubuntu 14.04 instead windows 8 in acer e1 572


Can the null hypothesis be **more** true than the alternative hypothesis or vice versa?

Why do statisticians say a non-significant result means "you can't reject the null" as opposed to accepting the null hypothesis?


How can I remove the ANSI escape sequences from a string in python


How do I select elements within a #document to change the CSS?


Does someone Install Ubuntu 16.04 and 18.04 on new hardware: CPU i3 8100 + Mainboard h310 ?


How to import a module given its name as string?


NullPointerException in a Java Swing application

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


Extension of Schengen visa, or apply for a new visa?

Is it possible to extend a tourist Schengen visa (12 more days)?


Warn users before their account is suspended

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


What's the difference between an adjective and a past participle?

verb or adjective in "The blue page is *stapled* to the red page"?


How to prevent onmouseover from firing inside div

How do I ignore mouse events on child elements in jQuery?


how to evaluate the quality of scientific journal?

How do you judge the quality of a journal?


How to repair power armour on companions

Are there any disadvantages to using your companions for transporting Power Armor


How to "ungroup" windows from an icon on the launcher?

How to disable the grouping of windows on the launcher?


What is a word for giving an answer that's not incorrect, but leaves out a bunch of information?

What is a word to describe a response to a question that is evasive but not untrue


Can you help me with understanding the terms of the INNER JOIN ON

What is the difference between "INNER JOIN" and "OUTER JOIN"?


Space which is path connected but not locally path connected

Connected, locally connected, path-connected but not locally path-connected subspace of the plane


How to remove all duplicate items from a list


Having a Promising Assistant Professor vs Well- Known Full Professor as a PI

The Priority Criteria for Selecting The Principal Advisor


Bootstrap: How to do a Confidence interval for the difference of two means? (Different sample distributions)

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


How to stop Ubuntu 14.04 from changing timestamp on cut and paste?

How to maintain a file's 'last modified' date?


/review tab not accessible on a private beta

Add the “review” link in the topbar on "private beta" sites if I am able to review any review queue


Is there a class that can generate a random regex string if given the pattern?


Check if Object Array and ignore all else


Cyclic vector implies commuting linear operator is a polynomial

Prove that $T$ has a cyclic vector iff its minimal and characteristic polynomials are the same


Graduate school admission without college degree

Is it possible to obtain a Master's degree without Bachelor's degree?


Discrete Fourier Transform with x axis data?


Linear independence of the numbers $\{1,\pi,{\pi}^2\}$

Proof of $\pi$ not being a quadratic irrational number.


How to determine which button in a single form was clicked

How can I tell which button was clicked in a PHP form submit?


How to generate a SecureRandom string of length n in Java?

How to generate a random alpha-numeric string


requirejs: Module name "underscore" has not been loaded yet for context

Trouble combining Require.js and Backbone.js/Underscore.js


Short story where everyone must be equal

Looking for the title of a futuristic book about enforced equality


Are there de facto rules for suggesting edits?

How far can I refactor the code in someone else's question?


Can't navigate on git console, get A, B, C, or D when I hit an arrow key

Hitting arrow keys adds characters in vi editor


Analysis Question Involving Real Numbers and Sets


Is there a word for the use of period after each word of a sentence grammatically correct?

Name and origin of writing with period after each word


I can’t start pc after I dual booted ubuntu and deleted the ubuntu partition

How to remove Ubuntu and put Windows back on?


um of all positive integers $k$ with $1 \le k < n$ and $gcd(k,n)=1$

sum of all positive integers less than $n$ and relatively prime to $n$


How to send email alerts without SMTP server?

Sending mail without installing an SMTP server


How do I /give a Banner with a custom name in Minecraft Bedrock?

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


Administrators lost access to network drive and remote desktop Windows Server 2008

KB 4480970 and or KB 4480960 breaks SMB2 connections to Windows 7 shares


How to add an extra level of sections with headings below \subsubsection


How to correctly write the thousands separator in American English?


How to know whether or not my Q9550 has TDP of 65W?


"remember visiting" vs. "remember to visit"


Take a new unpacked box of iPhone XS to India from US

How much electronics and other valuables can I bring duty-free when going to India?


Why do the wavefornts of water waves always come out to be circular irrespective of the shape of the stone?


Why my newly created account is asking for a pasword if I didn't set one?


How to combine multiple overlapping rasters and outputs a new raster that carries the maximum value

Find out which raster has highest values


What's the maximum will a soldier can have per rank? How much willpower does an operative gain per rank?


Number to keep on adding in a while loop (C++)


Looking for a sci-fi movie about astronauts helping aliens fix their craft on the moon

What 50's/60's TV or movie show featured a belt-mounted force-field?


Improve alignment of "Learn more" button in "Next privilege" popup

Improve alignment of "Learn more" button in "Newest badge" popup


How can I block bots from creating MediaWiki accounts and articles?

How can I prevent spam on sites which I control?


How to evaluate $\lim _{x\to 0}\left(\frac{x\left(\sqrt{3e^x+e^{3x^2}}-2\right)}{4-\left(\cos x+1\right)^2}\right)$?

How to compute $\lim _{x\to 0}\frac{x\bigl(\sqrt{3e^x+e^{3x^2}}-2\bigr)}{4-(\cos x+1)^2}$?


If $f$ is continuous on $[0, \infty)$ and uniformly continuous on $[b, \infty)$ for some $b > 0$ then $f$ is unif. continuous on $[0, \infty).

Proving uniform continuity on an interval


whats the difference between Hide() and Visible=false?

Control difference between Hide() and Visible?


Defining font color inside highlight fails


Executing a bash script in the terminal just by its name

Permission denied when running .sh scripts


A more elegant way to use the result of multiple callbacks in a function?

Any established convenient callback writing styles for javascript?


Expected number of tries before all elements of sample space have occurred.

Expected time to roll all 1 through 6 on a die


find a chance that all N points lie on the half circle.

Probability that n points on a circle are in one semicircle


What's the purpose of the + (pos) unary operator in Python?


Google Earth Engine code editor - filtering images out of collection if they do not cover between 90% and 100% of specified geometry

Calculate proportion of study area covered by image on Google Earth Engine using a pixel count


Conversion to Dalvik format failed error from Eclipse when compiling on Ubuntu

Unable to execute dex: Multiple dex files define Lcom/myapp/R$array;


My pictures come out bland: Should I change from Nikon to Canon?

Is there any significant difference between Nikon and Canon?


JS: function in $(document).ready(xx) not working

What is the scope of variables in JavaScript?


What is the available SQL Server Express database size?

SQL Server Express 2012 Database Size Limit


javascript Math.abs() different behaviour


Does bad electrical grounding mess up a laptop?


how to interact over a list of objects return consolidated data

What's the simplest way to print a Java array?


Get all classes from a namespace that implements certain interface using System.Reflection

How to find all the classes which implement a given interface?


How to combine 5V-powered ATmega16A and MAX44009?

Can this AVR MCU with 5V I2C work with this sensor with 3.3V I2C?


Check target file for duplicate entry before copy data from source file

Is there a tool to get the lines in one file that are not in another?


Can pulling with Thorn Whip generate an Opportunity Attack?

Can I trigger an Opportunity Attack by forcing an opponent to move out of my reach?


Creating or referencing variables dynamically in Sass


Why doesn't the atmosphere separate according to density?


Preventing impulsive downvotes with a timer

Add a time limit before you can vote on a post


Best approach to parse the expression - Multiple variables

Is there a string math evaluator in .NET?


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


How to merge two or more rasters which overlap?

How to update raster pixel values based on another raster with conditions in QGIS?


How to fix "bone heat weighting failed to find solution for one or more bones" I tried everything!

heat weighting: failed to find solution for one or more bones


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


What's the easiest way to automate Mongodb backups, for offline storage?

Does mongo *really* need a dedicated volume, if I need to back it up?


When identity matrix can be expressible as $AB-BA$?

Solutions to the matrix equation $\mathbf{AB-BA=I}$ over general fields


Should I use using statement on JsonConver in return

Is a memory leak created if a MemoryStream in .NET is not closed?


How can I take a screenshot of my logon screen in Windows 7?


When Canonical will update meta-release-lts file?

Why isn't an upgrade to 20.04 from 18.04 available yet?


Can’t remove grayed out app icons on iPad 4

How to remove app which is greyed out, can't be deleted, won't open and doesn't appear in apps list?


How to make Javascript prompt user to enable Flash?

Cross Browser Flash Detection in Javascript


How do I know if food left at room temperature is still safe to eat?


$\forall \alpha \in [0,1] \exists B_{\alpha} \in \mathcal B(\Bbb R): \Bbb P(B_{\alpha}) = \alpha$

continuity of a probability measure if $\mu (\{x\})=0$


why doesn't my if statement work in java?


$ \int \frac{\sin^{a}x}{\sin^{a}x+\cos^{a}x}dx$ and $ \int \frac{\cos^{a}x}{\sin^{a}x+\cos^{a}x}dx$


When did 1024x768 become the standard desktop screen resolution?


Mexico - transfer in Schengen Area without visa - Morocco

Can you transit through the Schengen Area without a visa when traveling on separate tickets?


How can I set multiple Class fields using one or several Class methods which don't specifically refer to any field?

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


USB flash drive keeps activating 'write protection' by itself. Disarms after unsafe removal

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


Evaluation of limit at negative infinity is wrong

Simplifying radicals for limit leads to extra minus symbol


Is there random variation in post-evolution CP?

How does a Pokémon gain CP when evolving?


Is it safe to eat sauteed onions left at room temperature?


Why break gets me out of 2 loops at once and how to fix it

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


var functionName = function() {} vs function functionName() {}


Java beginer - Arrays - how to print a sorted array?

What's the simplest way to print a Java array?


How can I manage the onslaught of null checks?


Prove convergence of the sequence $(z_1+z_2+\cdots + z_n)/n$ of Cesaro means


Controlling when the Static Constructor is called


User temp AppData error while publishing project in VisualStudio 2012

ASP.Net error: "The type 'foo' exists in both "temp1.dll" and "temp2.dll"


php curl not getting installed on Debian 8

Failed to fetch jessie backports repository


ontouch not work when setBuiltInZoomControls true in webview in android

android: ZoomPicker breaks onTouchListener


Why does DSolve return two solutions for my ODE?


Is there any way to evaluate/ estimate this integral apart from wolfram?

General closed form of $\int_{0}^{\theta_0} \frac{1}{\sqrt{\cos \theta-\cos \theta_0}} d\theta$


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


In the context of mathematics, What is the difference between equation and formula?


Clear JSF form input values after submitting


Can I get into Montenegro with a 34 day validity multiple-entry Schengen visa?

Which are the non Schengen countries that allow entry for Schengen visa holders?


Adding a date and the time portion of a datetime2 together

How to combine date and time to datetime2 in SQL Server?


Why doesn't vector::clear remove elements from a vector?


I'm out of status but want to travel from Los Angeles to New York, USA

Expired visa, can I still fly inside the US without risk?


Does android Support RAW image capturing?


Android JSONObject.optString value returned doesn't match string in if statement


how to find the limit of sum here? Can it be transferred to an integral?

Show convergence and calculate the limit: $\lim \limits_{n \to \infty}\sum \limits_{k=n}^{2n}\frac{k}{k^2+n^2}$


Batch file to prompt UAC like Run as administrator

Can I get UAC prompt for user from batch file?


Char array in a struct - incompatible assignment?


Let $a, b$ and $m$ be integers, and $m \ge 2, \ ab ≡ [ (a \bmod m) * (b \bmod m) ] (\bmod m).$

Prove $(x+y) \text{ mod } n = ((x \text{ mod } n)+(y \text{ mod } n)) \text{ mod } n,\,$ and product analog


How to handle a lost KeyStore password in Android?


Realtek RTL8723BE wifi card not detected and no internet via Wifi or Wired connection

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


"Connect failed: Access denied for user 'root'@'localhost' (using password: YES)" from php function

MySQL ERROR 1045 (28000): Access denied for user 'bill'@'localhost' (using password: YES)


Risk of Installing a Custom ROM, with no more future updates


Which Mechanics book is the best for beginner in math major?


sed, how to delete other lines, remain contained pattern lines

How to get text in between two sections?


Increase the pulling force of a solenoid with a permanent magnet

Replacing the core of a solenoid to increase the pulling force


Three old chestnuts in elementary geometry: is there a unified perspective?

Finding an angle within an 80-80-20 isosceles triangle


Unable to move launchers for bash scripts onto 'favorites' on ubuntu 18.04

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


Does anyone actually recognize Cersei as Queen?

Where do the regions of Westeros appear to align as of the season 6 finale?


Blender Python: Where do I get an Image with all the indices for the edges and faces of a cube?


Add trailing slash in bash completion of directory symbolic links

Avoid a trailing slash in bash when completing a directory name (like zsh)


How is consensus determined on Meta sites?


Need help understanding what a natural log transformation is actually doing and why specific transformations are required for linear regression

In linear regression, when is it appropriate to use the log of an independent variable instead of the actual values?


How do I quickly switch between weapons and spells?


is this possible to run only a specified app in android device?

Run only one custom app in Android, prevent anything else from running


How to order rows in MySQL when using in

Ordering by the order of values in a SQL IN() clause


Exporting to FBX, Top is Transparent and no Materials

Transparent model when exporting fbx file to Unity


The interface for material looks different than the one on tutorial

Why does my material panel look different?


How can I get the MAC and the IP address of a connected client in PHP?


good books on Abstract Algebra and Cryptography for self-study


Restrict C++ Template Parameter to Subclass


What is the method to make a slideshow background on desktop?

How do I create a desktop wallpaper slideshow?


Appearance of "is is" in speech patterns


Word that describes the practice of "expressing a feeling/assessment by first denying that feeling/assessment"

What's the term for denying something so as to raise doubt?


Time as a Hermitian operator in quantum mechanics


How to find out which file is beeing compiled currently in Xcode

How do you show Xcode's build log? (Trying to verify if iPhone distribution build zip was created correctly.)


Alternative to "grandfather" in an organizational context

Is there another expression for "my manager's manager"?


If $\lim \limits_{x \to a}\left(f(x)+\frac{1}{f(x)}\right)=2,$ then $\lim \limits_{x \to a}f(x)=1$


How to log all Bash commands by all users on a server?


Run piece of code atomic or after application kill (Ctrl+C)


Reading a column from CSV file using JAVA


At which threshold is unbalanced data a problem for a binary classification tree?

When is unbalanced data really a problem in Machine Learning?


Is it possible to define a new PlotTheme?


How can I execute java code from plain text?


What are the Windows A: and B: drives used for?


Python: Test if file exists at absolute path


Minimum of a function on an open interval


Add a transparent image on top of a material

How to place a .png texture with transparency over a material


Why Map.remove() does not use type parameter?

Why aren't Java Collections remove methods generic?


Python extract all text from XML node with child tags

How do I get the full XML or HTML content of an element using ElementTree?


Where is the error in this "proof" that 3=0?

Extraneous solution from substituting in equations


How do I print my Java object without getting "SomeType@2f92e0f4"?


Calling Function in a Modular Javascript file triggered undefined object error

var functionName = function() {} vs function functionName() {}


An automorphism of the field of $p$-adic numbers


Include pdf file with different paper size


Complex sum of sine and cosine functions

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


Find sum of given series if possible $\sum_{n=1}^\infty \cos (n \pi )$

Does the series $\sum \limits _{n=0}^{\infty} \cos(n\pi)$ converge or diverge?


How can I update a record the same as another record in the same table?

MySQL Error 1093 - Can't specify target table for update in FROM clause


Reputation was not reflect to my account even if I not reached the limit to gain the reputation by edit the post


How do calculators calculate the value of trigonometric functions?

How does a calculator calculate the sine, cosine, tangent using just a number?


Replacing proper noun "-y" suffix to match plural case

How do I pluralize a name ending in "y"?


Preview image with dynamically created input element

Event binding on dynamically created elements?


How much time does each stage of paper in Elsevier Editorial System (EES) take?


How to encrypt android device without screen lock?

Use custom lock screen on encrypted Jelly Bean device


How I can speed up the compilation of a document with multiple images?


How To Write Test Class for HTTP POST Method

How do I unit test code that includes a callout?


Why are “protected” questions marked also as “highly active”?

What is a “protected” or "highly active" question?


19 hrs layover in Frankfurt. Have US and Canada valid visa . Can go out of airport without transit visa

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


How to achieve same battery life on Ubuntu LTS 16.04 as Windows 10 using Nvidia graphics adapter?

How can I optimize Ubuntu for minimal energy usage?


Implement numbering scheme like A,B,C... AA,AB,... AAA..., similar to converting a number to radix26


Object options upon creating a new mesh don't show up anymore (vertices etc)

Can't find the palette to alter new objects


Overloading operator<< for template class. Impossible to get private members even with friend keyword

overloading friend operator<< for template class


What is the standard way to refer to shared code in conference papers?


Encode special characters to pass in url and read by javascript


Prove that : $K(\alpha)=K(\alpha^{2})$ , $K$ commutative field


why is the class method called by instance and class not the same thing

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


Are there highly upvoted, accepted answers that quote just a website?

Is posting a very long quote OK for an answer?


mysql_fetch_array()/mysql_fetch_assoc()/mysql_fetch_row()/mysql_num_rows etc... expects parameter 1 to be resource


Should I do someone else's peer-review work?

Is it common to review papers assigned to your supervisor?


Connect to a MS Access database (*.accdb)

How can I connect to a database using the 32 Bit ODBC on a Windows 7 (64 Bit) machine?


Using JQuery UI datepicker inside UpdatePanel

jquery datepicker ms ajax updatepanel doesn't work after post back


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


Find all [filename].mp4 and rename [filename].audio

Recursively rename files and directories


while sudo apt-get -f install i got following error how to fix it

error: package architecture (amd64) does not match system (i386)


What are "two-tone" tubular tires called?


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


How can I stop being redirected to the App Store/Google Store by dodgy ad-scripts?


Skin doesn't change after I edit and upload it


Ask for a reason why the user is rejecting and editing

Allow adding a custom reject reason when marking an edit as "Reject and Edit"


How can I have a fixed div next to a parent div?


What is \subcaption@CheckCompatibility and how to fix it


In a P.I.D., if $a^m = b^m$ and $a^n = b^n$ for $m, n \in \mathbb{N}$ with $\gcd(m,n) = 1$, then $a=b$


Plot a quadratic bezier triangular patch


Using a C# regex to parse a domain name?


Is it okay to use the phrase "try and"? Is it grammatically correct? e.g. "I will try and answer ..."


How to prove or disprove this statement about convergent sub-sequences?

Prove or Disprove if $a_n$ has 3 partial limits and $b_n$ has 2 partial limits then could it be that $a_n+b_n$ has one limit?


Convert SQL datetime to string or Date object

How can I convert string to datetime with format specification in JavaScript?


How to remove portions of Web page title using Javascript

How can I modify the title of a site using JavaScript?


Using Align environment with partial numbering

In align environment, how can you label some (but not all) of the equations?


How to determine length of char-stream with FilterReader?


Unable to cover test class for history object

How do I increase my code coverage, or why can't I cover these lines?


Is it grammatically correct to use the word 'your' before a verb in present progressive tense?

When is a gerund supposed to be preceded by a possessive adjective/determiner?


Book/story where people are living in a collective illusion and the real world is crap

Very old Matrix-like short story, based on chemicals released into the air, pre-computer


Is there a simple, constructive, 1-1 mapping between the reals and the irrationals?


Generating Random Numbers within a certain range

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


How do I remove the delay between HTTP Requests when using Asynchronous actions in ASP.NET?


How do I reset a lost administrative password?


putting ^ over character in math expressions

How to typeset the symbol “^” (caret/circumflex/hat)


Javascript change recursive function with trampoline version


Why are spoken and written English so different?

Why English pronunciation differs so much from written language, compared to German?


Why isn't this program running properly?

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


How do I resolve unmet dependencies after adding a PPA?


Catch access to undefined property in JavaScript

Is there an equivalent of the __noSuchMethod__ feature for properties, or a way to implement it in JS?


Is there a better way or more efficient way to write this IF statement?

How do I get this formula to increment by 1 per 25?


Ways to evaluate $\int \sec \theta \, \mathrm d \theta$


Can't dual boot Ubuntu, Windows boots directly

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


How To Install And Test KDE Plasma 5 On Ubuntu 14.04


Can I register and redirect a domain that is similar to my competitors to my site to rank when people search for my competitor?

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


What does the R stand for in RAX, RBX, RCX, RDX, RSI, RDI, RBP, RSP?

What do the E and R prefixes stand for in the names of Intel 32-bit and 64-bit registers?


popout a mac mail window from full screen / split view

Mail App keeps popping up in the background in Mac OS Mojave


Comparing user input to values from an array Java


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


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


Why did Harry get in trouble for performing magic “in front of a Muggle“ when Dudley knew about magic?

How did Harry breach the Statute of Secrecy?


Why does do-release-upgrade on 12.04 system not find 14.04.1 upgrade?

Why is "No new release found" when upgrading from a LTS to the next?


What is the relationship between the size of a slit and wavelength in diffraction?

Relationship between slit size and wavelength in diffraction


Why are interaction terms multiplicative in linear regression?

In multiple regression, why are interactions modelled as products, and not something else, of the predictors?


Mathematica Version 11.0.1 Strange Result from NSolve (Linux)


What is the proper way to set SELinux context in an RPM .spec? (RHEL7 in 2018)


How to cut a line in Xcode without selecting the text?


ubuntu 14.04 64bit on Virtualbox Windows 10 host

Can I use virtualbox with a 64 Bit image in a 32 bit host


regarding to connection with sql server and netbeans

i want to connect to SSMS database from eclipse but it throws SQLserverException


Understanding the meaning of @ in package management

What does the '@' mean in front of the repo name in `dnf list`?


How long will a 12v car battery last using a 100w lamp only?

How long will this appliance run from a battery?


Is transit Visa required at London and Dublin?

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


Calculating the effect of a marinade on nutrition

How many calories does a home-made marinade add?


Get top 5 values from multidimensional array in PHP


Why are questions with no close votes in the close review queue?

Questions with no close votes appearing in the close vote queue?


how to pass variables in url with an ID section using PHP?

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


Why are there no operators in classical mechanics?

Are there linear operators and vector spaces in classical physics?


Why is pressure in a liquid the same in all directions?


Acquiring pre-releases/betas for unreleased distros for testing

Where can I get the latest Ubuntu Alpha or Beta?


Determining bounds for the sum $\sum\limits_{n=1}^\infty \frac{1}{2^n - 3^n }$


How to test multiple variables against a single value?


Servlets - Can we set Character Encoding after fetching parameters

How to get UTF-8 working in Java webapps?


Multiple table of contents (on first page and last page)

How can I print the table of contents multiple times in my document?


I need help on plotting surface through my list of data points

How to draw a proper surface with ListPlot3D?


Randomising mapping to glyphs in pdfLateX / XeLaTeX

Is it possible to produce a PDF with un-copyable text?


The F-test is a test for variance so why do we use F-test in ANOVA?


Avoid splitting of math expressions in text

Stop LaTeX from breaking an inline math equation


Why do some people on Stack Exchange seem to only denigrate users on here?

How do you post to Stack Overflow without fear of being judged?


A divisibility question concerning polynomials.

Find $n$ such that $x^2 + x + 1$ is a factor of $(x+1)^n - x^n - 1$.


How do we know that a wave of light has electric field?

Have we directly observed the electric component to EM waves?


update on ubuntu 14.04 "E: Some index files failed to download. They have been ignored, or old ones used instead."

'Some index files failed to download' while updating


code returns a nullpointerexception when calling jdbc arguments

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


GPG and keyservers: how do I mark a key as unused invalid?

Best way to signal no longer used (lost) key


Every time I try to upgrade from Ubuntu 13.04 to 13.10, it fails


How can you prove $\binom {2n}{2} = 2\binom{n}{2} + n^2$?


If $\|u\| \leq \|u+av\|$ for all $a \in F$, How can I show that $\langle u,v\rangle=0$?

$\|u\|\leq \|u+av\| \Longrightarrow \langle u,v\rangle=0$


Bibliography tools that are compatible with biblatex and biber


What is the difference between Static method call vs delegate method call?


How to find overlapping matches with a regexp?


When I turn on my PC it starts Windows giving me no choice to use Linux or Windows

System boots straight into Windows without showing GRUB


Author name and first name order with biblatex

Guidelines for customizing biblatex styles


Is Changing the Accepted Answer Frowned Upon?

Is it poor form to switch accepted answers?


double value changing once stored in mysql database


Re-calling/re-printing a theorem from an external document


Lossless H.264 MOV cannot be opened with Quicktime

Lossless H.264 MP4 file created from images cannot be played in QuickTime


No more updates for Google Chrome 32-bit


How to get a file's Media Type (MIME type)?


Why does accelerating electron emits photons?

How EM waves are produced by accelerating charged particles?


Should I upgrade to "Ubuntu 14.04 'Trusty Tahr'" from "Ubuntu 12.04 LTS" and what care do I need to take if I upgrade?


segmentation fault when using double brackets with printf


Why does opacity of .3 in JQuery sometimes go to .30000000000000004 instead?


Prove algebraically that $n(n+1)2^{n-2}=\sum_{k=1}^{n}k^2\dbinom{n}{k}$

Combination proof for $n(n+1)2^{n-2}=\sum_{k=1}^{n}k^2\binom{n}{k}$


how to get date difference between two dates using DateDiff Excluding the weekends


error 4430: missing type specifier - int assumed. Note: C++ does not support default-int

Why can templates only be implemented in the header file?


BoxCox transformation suggest natural logarithm transformation. Can log10 transformation be used instead?


is there a way to view the source of a module from within the python console?

How can I get the source code of a Python function?


ObjectMapper can see subclass fields from superclass

What is reflection and why is it useful?


difference between picker parent and ctrl-p parent?


In a remote shell, how can I find out from which computer I logged into the remote machine?

How to find from what computer I connected to a current server


What, if any, are the differences between implementing one class as a child of another versus having the child employ an instance of the parent?


How to delete something from Github code with no trace in commit history?


Is Sobolev space $H^{s}(\mathbb R),$ for $s>\frac{1}{2},$ closed under point wise multiplication?

Sobolev space $H^s(\mathbb{R}^n)$ is an algebra with $2s>n$


Is there a way to share authorship of an answer?


How to improve the prediction accuracy ofa LSTM model

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


C# Multithreading ConcurrentQueue Unexpected Results


C# - Highlight current line in RichTextBox


Can I visit the US for tourism on a previously unused B1/B2 visa?

B1 visa to USA - can I travel for leisure purpose too?


Would an object floating in a spinning cylinder in empty space be pushed toward the wall of the cylinder?

Why would a spinning space station create a centrifugal force on an astronaut rather than simply spinning around him/her?


how to send confirmation email to the user when registered to the application android


After installing Windows 8 next to Ubuntu, I can only boot 8

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


What is the difference between public static void Main() and private static void Main() in a C# console application?

In C#, what is the difference between public, private, protected, and having no access modifier?


How to loop through all sample paths in list of lists: [[1,2,3,],[1,2,3],...]

Get the cartesian product of a series of lists?


DataGridView.Rows.RemoveAt(int index) doesn't remove row in windows form?

C# - how do I refresh DataGridView after removing rows


How to authenticate to sql server as Windows User from java application?

Can I connect to SQL Server using Windows Authentication from Java EE webapp?


Square of a diagonal matrix with real entries

Prove that matrix can be square of matrix with real entries


Why multiple definitions of a template does not generate a link error?

Why can templates only be implemented in the header file?


How to add custom app icon on Android in Phonegap?

PhoneGap Android: How to force Application to use icons from asset\www\res instead res\drawable folder?


What is wrong with this proof (Subgroup of Free group is a Free group)

What is tricky about proving the Nielsen–Schreier theorem?


Lock picking, lockpicking, or lock-picking: Which is correct to use?

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


nth-child CSS - matching 2nd, 5th, 8th, ... elements


Signature by key C47415DFF48C09645B78609416126D3A3E5C1192 uses weak digest algorithm (SHA1)

How to fix apt: Signature by key uses weak digest algorithm (SHA1)?


C# Save List or Array in Settings.settings?

How to store int[] array in application Settings


Dupe text should change to reflect that a question has multiple duplicates

Wrong wording of close message when question is closed as duplicate of more than one


Ubuntu 15.04, Asus Flipbook TP500LN No Internet and touchpad did use NDISwrapper

How do I get Mediatek MT7630E 802.11bgn Wi-Fi Adapter working?


Let $R$ a left artinian ring. Show that if $a \in R$ is not a right zero divisor, then $a$ is a unit in $R$.

Associative ring with identity, inverses, divisors of zero and Artinianity


What iOS app delegate methods does the springboard kill trigger?

iOS how to detect when app was removed from process


How to run scripts without typing the full path?


Can I use "wow" to express surprise but not necessarily with something related to pleasure, but confusion and surprise?


I can't spawn in other types of mobspawners


When is an outer product $ab^\top$ diagonalisable?

Eigenvalues of the rank one matrix $uv^T$


How can I prevent firefox from updating?

How can I prevent Firefox from updating to a newer version


how to unlock bluetooth service in Ubuntu 15.10

How do you make Ubuntu accept files sent over bluetooth


Probability of a painted cube being reassembled into itself


Why does a defined variable become undefined if it's not updated in a try except block?

UnboundLocalError on local variable when reassigned after first use


"sudo must be owned by uid 0" when installing a package

sudo: /usr/lib/sudo/sudoers.so must be owned by uid 0


Keyboard key stuck or not being recognized; how to fix


Unresolved External Symbol with Template Function Only When Used

Why can templates only be implemented in the header file?


C# Linq execute method over results from Distinct() method

Why is there no ForEach extension method on IEnumerable?


Is there any practical difference between saving at 300ppi or 72ppi?

Does the dpi number reported by camera in JPG have any meaning?


Centering displayed math within enumerate environment


limits problem-ordinary sencond order equation


How to extract phone number from string?


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


"java.lang.NullPointerException" when splitting the string

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


What aberration causes the common "cross pattern" in astronomy images?


Is "data" treated as singular or plural in formal contexts?


How to compare Null values from the database column

Avoiding IF ELSE due to variable been NULL


When a 2D plot is used as an Epilog to the MatrixPlot, the frame disappears. Any workarounds?


Specifications for LED strips - power supplies + installing in automobiles

How much power should 14.4W LED strip consume?


Get all combinations from list with and without repeat

How to generate all permutations of a list?


Stretch ListBox Items hit area to full width of the ListBox? ListBox style is set implicity through a theme


Seeking three Schengen (tourist) entries with travel to US for 5 weeks and Croatia for 3 days in between

Are the Schengen 'duration of intended stay' and 'duration of visa validity' the same?


Installing immutable collection package in asp.net app, causes failure


Change font of section titles (scrreprt document)

KOMA-Script: change font of sectioning headings to serif


How should I break down a tension force for free body diagrams?


Line pattern fill only along edge of polygon


Why was Loki affected by the bullets in this scene?

Can Asgardians deflect human weaponry or is it their weapons and technology that protects them?


Are there plans to provide Ubuntu on more (bq) smartphonses?

Where can I get a device with 'Ubuntu for phones' pre-installed?


Am I being scammed by a sugar daddy who wants me to buy wallet cards and forward paypal money?


Cross-thread operation not valid: Control 'dataGridView1' accessed from a thread other than the thread it was created on

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


Screen Time shows 24hr usage for several weeks

How is Screen Time calculated? Why is the calculated time seemingly longer than time spent on iPhone?


How can I add vertices from a given csv-list with x-, y- and z-coordinates?


E: The repository 'http//archive.canonical.com precise Release' is not signed

"GPG error: Release: The following signatures were invalid: BADSIG"


Sorting of "All Sites" list in Stack Exchange pulldown menu

Why is the list of all sites in the Stack Exchange dropdown not sorted?


Find all positive integers $a, b, c$ such that $1/a + 1/b + 1/c = 4/3999$


Mysql join returns multiple rows but php foreach need single record

Can I concatenate multiple MySQL rows into one field?


Dualboot Windows 10 and Ubuntu: GRUB Problems

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


how to set my own message on beforeunload event

How can I override the OnBeforeUnload dialog and replace it with my own?


Count numbers where three first digits equal last three

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


Why didn't the Resistance use Y wing bombers to assault SKB in The Force Awakens?

Where were the capital ships and bombers?


javax.el.PropertyNotFoundException: Target Unreachable, identifier 'UserManager' resolved to null

Identifying and solving javax.el.PropertyNotFoundException: Target Unreachable


getWritableDatabase throws a NullPointerException

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


Regex results in "Delimiter must not be alphanumeric or backslash"

Delimiter must not be alphanumeric or backslash and preg_match


Keeping tables/figures close to where they are mentioned


How do I find the technical name for a function so I can assign a hotkey to it?

How to get the entire list of operators?


Can a shell script running in a ssh continue to run if the SSH instance closes?


Prove for $\gcd$ of two integers $a,b$, that $(a^n,b^n) = (a,b)^n$


"I suggest you not go there" or "I suggest you to not go there"


How can I resolve dependency conflicts in Azure WebJob SDK?

Missing Microsoft.Data.Services.Client version 5.6 on Azure Websites


Why are static content and scripts in separate folders

ASP.NET MVC Default Project Structure and the Scripts Folder


Configuration does not have any version information - assuming the configuration is for version 1.5


Best way to parse comma delimeted CSV that include commas that arnt delimeters? [Java]

Java: splitting a comma-separated string but ignoring commas in quotes


Reputation and inbox notification shows up again after refresh


Inaccurate visit count for referring sites

Analytics search keywords are unreliable


If a complex number with unit modulus is a root of a monic polynomial with integer coefficients, is it a root of unity?

Are all algebraic integers with absolute value 1 roots of unity?


How to replace blue dot with my icon on google maps v2 in android?


Why doesn't my Bash script recognize aliases?


Nothing seems as it should in "Nothing as It Seems": alternate timeline and improbable events

Two Timelines, (Almost) Same Event, but Several Years Apart?


$n^{3pq} - n \equiv 0$ (mod $3pq$), where p and q are prime and $n$ is any integer Find the minimum possible value of $p+q$

Let $p$, $q$ be prime numbers such that $n^{3pq} – n$ is a multiple of $3pq$ for all positive integers $n$. Find the least possible value of $p + q$.


Downvoting after I downvoted someone for giving a wrong answer

What should you do if you're serial downvoted & it isn't automatically reversed within 24 hours?


Limit of a product sequence for infinite terms

Evaluating the infinite product $\prod\limits_{k=2}^\infty \left ( 1-\frac1{k^2}\right)$


Why is my textured material showing up as a solid color?


Need to add "Boot from USB" to UEFI Boot Priority order


r - convert the searchTwitter output to data frame?

How to convert searchTwitter results (from library(twitteR)) into a data.frame?


nVidia GeForce Go 7600? can it ever run unity?

Geforce Go 7300/7400 Blacklisted, Can I Still Run Unity?


In PHP with PDO, how to check the final SQL parametrized query?

Getting raw SQL query string from PDO prepared statements


How to change the value of a progress bar through your Main - Nullpointerexception error

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


How do I enable system protection from the command prompt in the system repair screen?

Is it possible to enable System Protection from the command prompt?


How should I submit bug reports and feature requests?


Is it correct to say the Neural Networks are an alternative way of performing Maximum Likelihood Estimation? if not, why?

Can we use MLE to estimate Neural Network weights?


Word for someone who acts like an expert but who has very little knowledge?

What is an idiom/slang for "someone who pretends to be good when they're not"?


How to install Ubuntu on different partition from Windows 10

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


Prove: $ \lim_{n\rightarrow\infty} x ^ {\left(\frac 1 n\right)} = 1 $


Passing null to the overridden method when the difference between methods is the parameter subtype

Which overload will get selected for null in Java?


Jquery - detect the click outside of input

How do I detect a click outside an element?


Human on an interstellar hibernation ship wakes up to deal with dangers caused by star-dwelling entities

Looking for title/author of SF novel about malevolent creatures/gods residing inside stars


Converting Javascript date string to PHP date

How to convert date to timestamp in PHP?


hook_mail is not sending rendered HTML email


How do I set up Outlook 2010 to send auto reply based on the time and day of the week?

How do I set up Outlook to send a auto reply during a certain hour of the day every day?


Why does my argument matcher fail when I extract it into a variable?


Radial length contraction in general relativity


Remove all non-existent repositories in Ubuntu

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


Is there any point in reopening a question that would end up being closed for a different reason?

Do I leave a revised question closed even though it falls out of scope for a different reason than the original closure reason?


int([x[, base]]). Square brackets in functions in Python documentation?

What do square brackets, "[]", mean in function/class documentation?


Uninstall VLC , installed using Source file

If I build a package from source how can I uninstall or remove completely?


UNABLE_TO_LOCK_ROW Error with Test Class

UNABLE_TO_LOCK_ROW error while running all apex test classes


How to make sudo use a separate password?

Use one password for administration and another for system login


Determiners in English sentence vs. plurals, singulars and zero determiners. Is it ok to say?

Are there any simple rules for choosing the definite vs. indefinite (vs. none) article?


Do prepositions at the end of sentences, and split infinitives any longer matter?

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


Make single line in div selected when clicked

Selecting text in an element (akin to highlighting with your mouse)


How to repeat a string a variable number of times in C++?


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


How can I prevent an APP from using my phone's camera

Is it possible to install an app and exclude some of its requested permissions?


The $n$ complex $n$th roots of a complex number $z$


Why does my switch case work here, but if does not?


Where are the files stored during Ubuntu upgrade?

Where does aptitude store files during an upgrade?


Ideals in $F[x]$ and Euclidean domains are generated by any element of minimal degree


How can I change my iPhone's camera's resolution?


How do I execute a function every 3 months?


Difference between XORing the IV and just pre-pending it to the plaintext before encryption with AES-CBC

Using CBC with a fixed IV and a random first plaintext block


Book involving race-preserved characters, futuristic society of "stans" (or "norms")?


How can I make an enumerate list start at something other than 1?


How can multiple rows be concatenated into one in Oracle without creating a stored procedure?


Why do changes on a new branch get carried over after switching to a different branch?

Modified files in a git branch are spilling over into another branch


Function that is both midpoint convex and concave


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

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


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


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


How to prove $a^3 + b^3 +c^3 - 3abc =1 $, If a,b,c are infinite series as given in the description box below?


Blurred interface (wrong interface scale)

The "Info" bar on top disappeared and the mouse pointer is misaligned


Calculating checksum from sha512 crypted message in c#

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


How do you detect Credit card type based on number?


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


Add an "I don't understand" option for review audits


Difference between a space and a "wave" symbol (tilde/"~")?


Problem with converting \frac into mathematica output

How to use $\LaTeX$ for typesetting labels and titles in Mathematica


twitter status updates from command line (via cURL)


javascript in jquery not working until refresh

JavaScript in jQuery mobile not working unless I refresh


How to check whether a directory is empty or not in Shell Scripting?

Checking from shell script if a directory contains files


Declare static deque of pointers in a class

Unresolved external symbol on static class members


How to make beveled 90 degree corners on a curve better?


Lorentz Transformation - Derivation of $\beta$


X Forwarding over SSH when switching users

Can I launch a graphical program on another user's desktop as root?


Loading problem: pokeball keeps spinning

What does the pokeball loading icon indicate?


Covariance of Euler-Lagrange equations under change of generalized coordinates


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


Polarization of light using QM principles


Choice of Data Structures : How Significant is Memory saved when using System.Byte that is still going to be computed on integer math


Ordering result with PDO and prepared statment

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


My MacBook's "System" storage keeps growing

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


matplotlib not continuing lines after NaN's

matplotlib: drawing lines between points ignoring missing data


Looping through a JSON Array gives "undefined" results

Why is using "for...in" for array iteration a bad idea?


Alternating sum of binomial coefficients $\sum(-1)^k{n\choose k}\frac{1}{k+1}$

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


Most efficient way to randomly "sort" (Shuffle) a list of integers in C#


Evaluating $\lim_{x \to 0}\frac{(1+x)^{1/x} - e}{x}$

How to solve this limit: $\lim\limits_{x\to0}\frac{(1+x)^{1/x}-e}x$?


List within list variable assignment trouble: values get overwritten during assignment

List of lists changes reflected across sublists unexpectedly


Making pen and ink corrections on a UK visa form?


How to serialize a dictionary to a file and deserialize it later in C#?

How to save/restore serializable object to/from file?


What's word means someone who VOLUNTARILY isolates themself from society?

What do you call a person who is utterly independent and a loner?


How to show wi-fi password without rooting your phone?

I need to view the saved WiFi passwords on my non-rooted Android phone


How to resolve "undefined reference" error while statically linking cppunit?

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


How not to get first names (neither full nor abbreviations) in in-text citations?

biblatex, authoryear style: In-text citations display first name initials for certain bibliography entries


How to put specific string in into array?

PHP: Best way to extract text within parenthesis?


Deriving Time Complexity from an algorithm

Big O, how do you calculate/approximate it?


Ubuntu 18.04 server - missing installation candidates while installing mysql-server 8

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


Compare columns in 2 files and put information according to file 1

intersection of two files according to the first column


database sort vs. programmatic java sort


Is the statement "To try and manipulate" grammatically correct?

Difference between "try to do" and "try and do"


sudo apt-get update not working could not lock

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


StorageReference error when uploading images to Firebase

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


How much XP should you award if the encounter was not solved via battle?

My party bypassed a combat encounter. Should they still get XP?


Confusion about how to pronounce the "dark L" consonant sound


iCloud Photo Library content fills up 16GB phone

Backup photos from all devices to iCloud, but do not download them to all devices


Will Windows 7 factory reset remove all my private data?

How to factory restore Windows 7 to prepare to sell laptop


Energy stored in a capacitor vs Work that the battery does

What happens to half of the energy in a circuit with a capacitor?


Usernames are displayed for questions on the main page, but no Action is displayed

Active Question lists - Name should reflect original poster (and editor if exists)


How is uniqueness of MAC addresses enforced?


How do I overlay multiple graphics on one plot?


How to factor a fourth degree polynomial


Does Ubuntu support hardware which doesn't have official certification?


Wifi disconnects randomly then says "Cant connect to this network"

Windows 10 Wi-Fi issue: "Can't connect to this network"


I am broken: reputation graph oddities and rendering issues?

Rep graph overview thing™ is white (only in latest Chrome)


Stack Exchange like application for Sharepoint

Create a QA site similar to StackExchange on SharePoint 2010


Is "fish are jumping" in the song Summertime a correct grammatical construction?


Is the bindingRedirect .config file needed or all assemblies in an application?

Why NuGet adds app.config with assemblyBinding to LIBRARY projects during a NuGet package update?


An alternative to eval() or Function() for a two-dimensional array in Javascript?

Safely turning a JSON string into an object


How to find logical 'or' operator (||) from a sequence using Regex Python

What special characters must be escaped in regular expressions?


Can I install Ubuntu over Mint without formatting the partition?

Replace Mint with Ubuntu in dual booting system


If statement to check if variable is equal to a string - Java


With relativity, what does the age of the universe *mean*?


WiFi adaptor not found in Ubuntu 18.04.1 64 bit kenel version 4.15.xx on HP 15q-buOxx

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


Do Time Lords choose if they physically age over time or not?


Why does sort ignore dollar ($) at beginning of line?

Why does this sort ignore the +/- character prefix?


VSFTPD – How to fix this security issue?

Allowing FTP access to a local user without allowing SSH/command line access


trigger existing event on appended elements

Event binding on dynamically created elements?


The door you heard closing / The door you heard close was not him going out, it was me coming in

Using bare infinitive with verbs such as "see", "watch", etc.: Present tense or Past Tense?


Writing regression test cases for already developed application

1.5 Million lines of code. 0 tests. Where should we start?


SQL Server : return multiple values from function

Return multiple values from a SQL Server function


Is it possible to trigger an email using microsoft flow when a date in a field of a sharepoint list item is nearby?

is it possible to trigger an email using microsoft flow when a date in a field of a sharepoint list item is nearby,


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


In D&D 5e, does the superiority dice from the new superior technique fighting style become a d8 if you are a battlemaster?

Does the Martial Adept superiority dice scale up alongside the Battle Master fighter's superiority dice if you acquire the subclass after the feat?


Time series data and Wilcoxon's test. Is it appropriate?

Can I use Wilcoxon Signed-Rank Test to test pairs of data in a time series?


Get field translations in apex using integration


Is there any data on where people touch their tablet screens to scroll?

Where to find resources on tablet heatmaps?


What Advantages of Extension Methods have you found?


nib file removed but key value connection remains - NSUnknownKeyException

Xcode - How to fix 'NSUnknownKeyException', reason: … this class is not key value coding-compliant for the key X" error?


Reverting to a specific commit based on commit id with Git?

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


Why Ubuntu 18.04 has LibreOffice 6.0.7? How can I upgrade that to version 6.28?

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


Asynchronous Process inside a javascript for loop

JavaScript closure inside loops – simple practical example


What partitions to make If I will dual boot with Windows OS?

How to partition a disk for installing Ubuntu?


Vintage sci-fi short story: Telepaths, Aliens and Cats

Story about encounter with hostile aliens


If Tensor Product of Two Finitely Generated Modules Over a Local Ring is Zero then one of the Modules is Zero

Tensor product of two finitely-generated modules over a local ring is zero


Multiple one to many relationships in series


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


How to get first N elements of a list in C#?


13.04 stopped playing streams in Rhythbox and totem


Estimation of Equatorial Bulge of the Earth


How to prove that if $AB=I$（$I$ is the identity matrix), both the $n^{th}$ order matrices $A$ and $B$ are invertible?


A or an before slash phrase? A or an before parenthetical phrase equivalent to slash phrase?

"A/An" preceding a parenthetical statement


Generate a pulse with given rise and a fall time


Show that an integral domain with finitely many ideals is a field

Commutative integral domain with d.c.c. is a field


Nodejs Mongo result is not the same as copied result

How to determine equality for two JavaScript objects?


Strikethrough markdown not rendering on post, but works on preview


What are the strategies for getting feedback on articles?


What is the design pattern for processing command line arguments


Why do I need to type ./mysql even that I am in the folder?


PHP basic arithmetic + type conversion floatval intval


Finding the smallest square inside a parabola.

The square of minimum area with three vertices on a parabola


Intuition behind creation and annihilation operators?

Consistent, complete, and generalized description of the quantum harmonic oscillator


Splitting shapefile into separate files for each feature using QGIS or SAGA

Exporting feature class into multiple feature classes based on field values using ArcGIS Desktop?


Existence of elementd of infinite order in finitely generated infinite group

Does every infinite finitely generated group contains an element of infinite period?


Find a polynomial in $\mathbb Q[x]$ such that $2^{1/2} + 3^{1/3}$ is a root

Proving $\sqrt{2}+\sqrt[3]{3}$ is algebraic.


Prove the edges of a multigraph may be oriented such that the net-degree of any vertex is $\leq 1$.


Event binding on dynamically created elements?


If $R=\mathbb{Z}[\sqrt{p}]$ with $p$ an odd prime and $I=(2,1+\sqrt{p})$, then $I^2=(2)$

Let $R=\mathbb{Z}\left[\sqrt{−5}\right]$. Let $I=\left(2,1+\sqrt{−5}\right)$. Show $I^2 = (2)$ in $R$.


How to disable nautilus from handling the desktop?

How to stop nautilus managing desktop in unity


What does class `type.__init__` and `type.__new__` do when creating a new `type` instance(i.e. class)?


Trying to identify sawmill pond monster novel

Really awful 1970s movie about mercury dumped in a lake that caused monsters to attack


How to scale a tikzpicture to \textwidth


Javascript global variable does not persist when navigate to another page (which also uses same js file)


Why is Ubuntu 18.04 halting after login since upgrade from 17.10?

Can't start ubuntu-desktop after upgrade to 18.04


If $AA^T$ is the zero matrix, then $A$ is the zero matrix


Can you infuse the Arcane Armor's Weapon before you gain Armor Modifications?

Which Artificer Infusions are appropriate for the Armorer's Arcane Armor's special weapon?


What is the statement to use for executing a command allied with a different software in python?

How to execute a program or call a system command from Python


Memoization of a function defined by a recurrence relation

Why does Expand not work within a function?


Can you cast Counterspell through the senses of your familiar?

How does line of sight for spells work, accounting for familiars?


"Your edit must be at least X characters" is problematic at Code Golf

How to overcome "Edits must be at least 6 characters"


Why can't unproven conjectures/hypothesis assumed to be axioms in mathematics?


Does Ubuntu 14.04 support SSD TRIM on Software RAID?


I can't enable first gen nexus 7 in the play store


Why does Cellular Data usage summary include WiFi data?

What does the “Current Period” data usage number mean?


Set of flat curves with filling in 3D plot


"They've raised their hand" vs "They've raised their hands"?


mysql_fetch_assoc(): 6 is not a valid MySQL result resource

Warning: mysql_fetch_array(): supplied argument is not a valid MySQL result


Is the zero truncated Poisson Distribution part of the Exponential Family?


What is the energy source for the spice-sandworm cycle?

Where does the energy come from in the Dune ecosystem?


Is it possible to use hostel booking for a UK Standard Visitor visa application or must it be a hotel?

UK visa hotel booking and contact information


How do I calculate the size of an NSString?


Limit of sequence $x_n=\frac{1^p+2^p+...+n^p}{n^{p+1}}$

What is the result of $ \lim_{n \to \infty} \frac{ \sum^n_{i=1} i^k}{n^{k+1}},\ k \in \mathbb{R} $ and why?


C# 2010 method in one class takes info from 3 classes and prints info in Console

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


Python-Pandas: meaning of asterisk sign in expression

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


Secure all post and get data in framework php


If a is one of the root of the equation 4x^2+2x-1=0. Then find the other root

Proving the second root of a quadratic equation


Does splitting 1 tempdb file into 4 require a SQL Server restart?


How to disable manual input for JQuery UI Datepicker field?

jQuery Datepicker with text input that doesn't allow user input


Strange behavior of the explorer.exe process

How to diagnose repeated freezing of Windows 7 (comes back alive for a few seconds)


why does a change in velocity cause length contraction, mass gain and the slow down of time?


How to fix corrupted GUI on Ubuntu Xenial Xerus

GUI/Unity crashing in 16.04 LTS after updates 2018-01-04, compiz segfaults


Determining the distribution of fitted values and residuals

Distribution of linear combination of OLS regression coefficients


Fatal Exception: java.lang.NullPointerException com.google.android.gms.dynamite_dynamitemodulesc

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


How to access OS name and version in Terminal or from inside my python code?


How to partially hide content in beamer latex?


How to execute a program or call a system command from Python


How to turn off screen overlay detection prom.. I have tried all ways which are on YouTube.. using Samsung galaxyj7


how to get timezone-aware midnight datetime in python?

How do I get the UTC time of "midnight" for a given timezone?


Does eating three to five whole eggs each day increase the level of blood cholesterol?

Is having 3 whole eggs at breakfast harmful?


Is there any getifaddrs() alternative on HP-UX, Solaris or AIX?

How can I get to know the IP address for interfaces in C?


How to convert a backslash hexadecimal string to a binary string in Ruby?

Best way to escape and unescape strings in Ruby?


Returning to the UK with an expired UK passport


12.10 x64 - RTL8188CE - Intermittent/Slow Internet Connection


We should verify first if the variances are equal with F-test before verify if the means are equal with t-test?

How do I interpret the results from the F-test in excel


Invalid date format error yyyymmddhhmmss in c#

Convert String value format of YYYYMMDDHHMMSS to C# DateTime


How can I install commonly used developer tools?


Why has everything only one colour in my final render?

Object turns white when rendering/render Layer Colors disappear


How to calculate contour integrals with Mathematica?


Remote upgrade from 18.04 LTS to 20.4 LTS stopped - How to resume?

E:Error, pkgProblemResolver::Resolve generated breaks, this may be caused by held packages


C# methods with multiple return parameters

Return multiple values to a method caller


workers who were sent or workers that were sent?

Should you use "who" or "that" when talking about multiple people doing something?


Show that $g:I\to\mathbb{R}$ is continuous and $f:(x-x_0)g(x)$ is differentiable


Another device is using your IP address mac, what do I change my IP address too?


ResultSet exception - before start of result set


Can an open set in $\mathbb{R}^n$ homeomorphic to a non-open set?

Can open sets and closed sets of $\mathbb{R}^n$ be homeomorphic?


How can I set the process name for a Java-program?

how to change the name of a Java application process?


It is feasible to use DC rather than AC in transmission lines?

How does DC transmission require several times less wire than AC?


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


Sockets - Using INADDR_ANY on client side


How can I convert a JSON string into an object with fields in Javascript?

Safely turning a JSON string into an object


Is it possible to tell if someone is a U.S citizen or not just by looking at their credit report?

Will U.S. citizenship boost credit score?


Find and delete folders within directory that are older than x days

Delete sub-directories with YYYYMMDD in name older than N days


Why test -n returns true even when a variable is empty? What am I doing wrong?


Variable not assigned to correct Context


What is the difference between a path and a stroke?


Why can't overriding methods throw exceptions broader than the overridden method?


When I duplicate the block I am duplicating disappeares

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


Proof that it always exists a prime between $\sqrt n$ and $n$

At least one prime between $\sqrt{n}$ and $n$?


Surjective endomorphisms of uniserial modules


Need to install Internet Explorer but getting sha1sum mismatch

Installing IE8 in wine - error rename/sha1sum mismatch winetest.cat


Unsafe downcasting of Object to Comparable type causes trouble


Find command that excludes paths listed in a file


IEquatable, how to implement this properly

Is there a complete IEquatable implementation reference?


How do I determine what hardware is present?


How can I drag & drop a file from the shell?

Cross-application drag-and-drop in Delphi


What are the design elements that could be changed upon graduation of a site?

Responsive Design Themes - What can sites customize and how can they get changes implemented?


I have Ubuntu desktop installed and trying to set up Plex I want to put the media on a separate drive this is where I'm having trouble

How can I move my /home directory to another partition if it's already part of the / partition?


How to call a JavaScript function from PHP?


Ubuntu server crashes on boot "end trace 3b4c21cd8473b17e"


How to simplify the understanding behind Hypothesis Testing?

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


Why doesn't the Java Installer set the environment variable PATH automatically?

Why doesn't the Java SDK installer set JAVA_HOME?


Return the first n records per group Oracle SQL


Will moving some ecommerce products from one domain to another with redirects cause SEO penalties?

How to move a single page of content to a new domain


How to uninstall Xcode 5 command line tools (Mac OS X 10.9 Mavericks)?

How do I uninstall xcode 5 command line tools?


Recursive (nested) grep gives "invalid character range" error

Why does using array and for loop breaks line into 2?


Why can not upgrade texlive2016 to texlive2017 on windows

Why does TeX Live "require" yearly updates?


Is it possible to list all functions in a module?

How to list all functions in a Python module?


Seemingly locked in console after CTRL+ALT+F1 --- How to quit?


Reading fwf file with no given columns and uneven "width" for subject rows

Read observations in fixed width files spanning multiple lines in R


Why is my code executing both 'IF' and 'ELSE' with '==' but not with '.equals'?


How to fix "Headers already sent" error in PHP


Trying to understand how TTYs and PTYs work in CentOS 6.5?

What is the exact difference between a 'terminal', a 'shell', a 'tty' and a 'console'?


Why does water "act like a solid surface" when an object with large surface area hits it?

Why is jumping into water from high altitude fatal?


Misaligned Images when printing on same piece of paper

What home printer would allow for exact alignment of front and back?


How to create a "running" (= non-list) bibliography?

Removing Line Breaks in Bibliography compiled with Biblatex


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


How can I sort a Map according to the parameters of its values?


Nexus 7 2013 error upgrading to 5.0.2 OTA


What is the best way to read A Dance with Dragons and A Feast for Crows?

Game of Thrones: Alternate reading order for Books 4 and 5?


how to represent geography or zip code in machine learning model or recommender system?


How can I install Windows software or games?


What happen if I use pre increment and post increment in the same statement?

Why are these constructs using pre and post-increment undefined behavior?


How to forbid symbol in the begin and end of group of letters and numbers

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


How can I remove B -> A from a list if A -> B is in the list?


What does exc_breakpoint mean in debugging?

Are "EXC_BREAKPOINT (SIGTRAP)" exceptions caused by debugging breakpoints?


How can I hide a div if a specific div does not exist using jQuery?

Is there an "exists" function for jQuery?


Child selector with .has() method not working

jQuery: subtle difference between .has() and :has()


Using tee or pipe to log console output will cause my program not to start


Is there a way to cat files as they are created?


How do you prove that $n^2-1$ is composite when $n>2$?

Prove that there doesn't exist any integer $x \ge 3$ such that $x^2-1$ is prime.


Help solving basic modular arithmetic problem

Mod of numbers with large exponents [modular order reduction]


Is it possible for someone to be of no race?

Do humans have enough biological differences to be grouped into races or subspecies?


Understanding Linux Permissions - Apache with user "apache"

What permissions should my website files/folders have on a Linux webserver?


Serving pretty much the same site to different domains with express.js

Multiple domains, single node (express) app


Prove that $T,S$ are simultaneously diagonalizable iff $TS=ST$.

Prove that simultaneously diagonalizable matrices commute


How do you re-ask someone else's question when the existing answers do not work for you?

If you are not satisfied with answers on someone else's question, should you ask your own?


What user should an application pool bound to a Wordpress site use in IIS?

How to enable automatic update in wordpress running on IIS7 and Windows 2008?


Automatically add id attributes to headers to enable link targeting


What is the purpose of the : (colon) GNU Bash builtin?


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


Proving breath first traversal on graphs

Proofing a Reachable Node Algorithm for Graphs


What happened to Tauriel after the events of the Battle Of the Five Armies?

What was Tauriel doing during the events of The Lord of the Rings movies?


Citing a reference and the equation therein

How can one cite theorems of references?


Is there any cross-platform threading library in C++?


Showing that an integral domain is a PID if it satisfies two conditions


Redirect std::cout to newly created console

Redirecting cout to a console in windows


How can I view the remarks on an old bounty?

Is there any way to see the custom messages/remarks of resolved/expired bounties?


How to create keyboard shortcuts from terminal?

How to set custom keyboard shortcuts from terminal?


Does a helicopter that simply hovers remain in the same spot on earth?

Why does the atmosphere rotate along with the earth?


how to get the value(ID) using javascript substring?

Get string inside parentheses, removing parentheses, with regex


Examples of a statistical result being counterintuitive


Every subsequence of $x_n$ has a further subsequence which converges to $x$. Then the sequence $x_n$ converges to $x$.


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


Many 'this of that' - why does usage invert for dogs?


HTML and CSS how to make footer stay at bottom of page?

CSS to make HTML page footer stay at bottom of the page with a minimum height, but not overlap the page


Question about for loop and extracting parts of the name to use borg create command

How do I remove the file suffix and path portion from a path string in Bash?


iMessage and FaceTime from complete stranger


Why are these constructs using pre and post-increment undefined behavior?


python: subprocess arguments splitting strings wrong

How do I use subprocess.Popen to connect multiple processes by pipes?


How can I define a number with a valid range of -PI to PI?

C: How to wrap a float to the interval [-pi, pi)


Arrive [to/at/in/on] an island - which one is correct?

When do we use "arrive at" versus "arrive in"?


How to reach a desired point in the code in java?


Allowing Postfix Relaying For Certain Hosts


How to prevent all usb mass storages from mounting at boot

Disable mounting Internal Macintosh HD at boot


Proof that an automorphism of an extension field of $\mathbb Q$ fixes rationals

Automorphism of the group of rational numbers under addition


java.lang.NullPointerException: null Spring API Rest

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


a problem on roots of a real polynomial $p$ that has no roots in the open unit disc and $p(-1)=0$


Real time usage and difference between left outer join and right outer join


Unable to convert NSString/NSData to SecKeyRef


Is taking the lim of the series the same to taking the series of the lims?

Under what condition we can interchange order of a limit and a summation?


How to remove .jsp extension and replace with forward Slash in htaccess?

How to Remove Extensions From, and Force the Trailing Slash at the End of URLs?


How to create animated GIFs of prototype mockups, like the ones on Dribbble?


java.lang.NullPointerException: clickable zone on imageView


Leviton Vizia 24 hr timer - How do I install?

How can I install this programmable switch where a neutral is not present?


Download a html page using url with parameters

What's the simplest way to call Http GET url using Delphi?


'R' instead of 'r' in automatic tag-in-title mechanism

Is there any reason why tags are lower-cased?


Overfull table caption when including subcaption package (IFAC paper)

Global caption issue with table when using subcaption package


Updating Subscriber(Contact) key in Marketing Cloud

Updating the SubscriberKey on the All Subscriber table through the API


Trying to do an install with Ubuntu WSL 18.04, and it says 'too many arguments'

Having a command input problem in Ubuntu 18.04 WSL


Apex:OutputText to Currency Format from String Wrapper


(La)TeX -- What does the '%' character do?

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


Need to retrieved all related object of Opportunity object

How to identify look up relations to an object in Salesforce


How can I permanently declare a Bash function so I don't have to do it in every session?

Where can I put a user-defined shell function?


Is it possible to list all my posts in a given chatroom?

How do you find out your very first chat in a particular chatroom?


jQuery selector :contains - Use regular expressions


Short Story About an Empty Space Station with Increasingly Large Rooms


how to copy a file from one server to 2 different severs

Using while loop to ssh to multiple servers


XML parsing with PHP: how to use foreach


Fatal Error: Call to undefined function drupal_mail()

Properly bootstrap drupal for standalone PHP file?


Redirect stderr to a file, but create only if any stderr happened?

How to pipe output from one process to another but only execute if the first has output?


W: Target Packages (main/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list.d/google-chrome-beta.list:3

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


How can I get Firefox to open torrent files with Transmission?


Can I take non-direct flight on a type C Schengen visa?

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


Is there a way to tell if an ES6 promise is fulfilled/rejected/resolved?

How can I synchronously determine a JavaScript Promise's state?


microtime to seconds or hours or min conversion

How to calculate the difference between two dates using PHP?


How to get list of touched files between 2 points of time?


How do I automagically use  in custom page template?


The browser's "Back" button cause problems with the review buttons


error : CS0120 An object reference is required for the non-static field or method or property 'Calculator.opsObj'

CS0120: An object reference is required for the nonstatic field, method, or property 'foo'


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


Make password appear censored in bash script


If I have if() statements nested in a for() loop, does a break; within them apply to the for() loop?

Does the break statement break out of loops or only out of if statements?


Hide facebook login button when authenticated

How to hide the Facebook Login page activity after successful login in android?


Installed Teamviewer using a 64-bit system, but I get a dependency error


Java Else If Block Not Working Correctly


printing the contents of the c program as its output

C/C++ program that prints its own source code as its output


cannot install anything via apt-get. problem with apt-get update

Ubuntu 12.04 GPG error: http://archive.ubuntu.com precise Release: The following signatures were invalid: NODATA 1 NODATA 2


A sequence $\{a_n\}$ that diverges but $\displaystyle\lim_{n\to 0} |a_n-a_{n+1}| =0$

A sequence of real numbers such that $\lim_{n\to+\infty}|x_n-x_{n+1}|=0$ but it is not Cauchy


Why camera does not have a USB port to connect to PowerBank for power?

Is there really no way to power a DSLR by USB?


What is the range of the validity of Coulomb's law?


How to remove Ubuntu and put Windows back on?


Does encrypting the key with itself make it easier to crack the ciphertext?

Encrypting a key with the same key, for instance using AES


Determine the pod/instance API endpoint of a Salesforce org?


What are the implications of using /Zi vs /Z7 for Visual Studio C++ projects?


X people line up to get into Y different clubs.

Combinatorics problem: $n$ people line up to $m$ clubs


Getting value from mysql array with same column names

How to resolve ambiguous column names when retrieving results?


PHP prepared statement insert from a loop of data

How to squeeze error message out of PDO?


How to get coordinates when only pairwise distances are known?

Constructing N-dimensional vectors out of point distances


How can I use variables in the LHS and RHS of a sed substitution?


Is it possible to transfer schools in the middle of a Master's program?

Grad school - Is transferring to another school for a Master's program (Computer Science) a good option?


Is it safe to consume expired Perilla seed oil?

Do "Best by: XX-XX-XX" foods have an expiration date?


Legality and feasibility of digitizing old text books and course notes for private use

Is it okay to scan a book (that I own) strictly for personal use?


java.lang.NullPointerException in array of strings?

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


Confusion over the definition of "model"


Let $f$ be an entire function and $Re[f(z)] \leq M$, then $f$ is constant.

An entire function whose real part is bounded must be constant.


Post Notice Text (PostHistory table) in Data Explorer

In the PostHistory table what is that number in the comment column?


Java doesn't break a while when runs in Linux

Loop doesn't see value changed by other thread without a print statement


Show convergence and calculate the limit: $\lim \limits_{n \to \infty}\sum \limits_{k=n}^{2n}\frac{k}{k^2+n^2}$

How do you calculate this limit $\lim_{n\to\infty}\sum_{k=1}^{n} \frac{k}{n^2+k^2}$?


PHP - UTF-8 Characters showing as ? and �


Inserting column between other columns in SQL Server using script

Add a new table column to specific ordinal position in Microsoft SQL Server


How the money is paid to the IPL players?

How much do IPL players get paid if they don't play all games in a season?


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


Proof that a polynomial is irreducible for all $n \ne 4$.

Prove that the polynomial $(x-1)(x-2)\cdots(x-n) + 1$, $ n\ge1 $, $ n\ne4 $ is irreducible over $\mathbb Z$


How to populate Dependent PickList value in Apex Class/ Trigger

Get lists of dependent picklist options in Apex


Should bash shells be replaced with the new patched version?

Are Macs vulnerable to the Bash shellshock bug?


Does Ubuntu provide patched version of openssl for 12.10?

How to patch the Heartbleed bug (CVE-2014-0160) in OpenSSL?


Can I mount wall 75 inches (50kg) tv on plasterboard?

Is it OK to install a TV mount when it can't be attached to a stud at all mount points?


Sudo parse error while running any sudo command


I am getting this type of array when i try to push object into an array in jquery

What is the scope of variables in JavaScript?


Do you pluralize the singular possessions of / items or people associated with individual members of a plural group?


Is there a way to create an live CD with apps we pick?


Link to the recommended job is broken in the mobile apps


Proving the inequality $\sum_{\text{cyc}} \frac{a}{a^2+b^3+c^3}\le\frac1{5abc}$


Is it possible to get back to `Add mode`?

How to adjust operator settings after leaving the settings panel


What is a difference between traditional loop and for-each loop?


what is the value of the acceleration of a bar magnet falling through a coil?

The fate of a bar magnet released in an infinitely long copper tube


how to declare a long long array in Java?


Applications not showing when clicking applications

My Applications are not showing after upgrading from Ubuntu 18.04 to 20.04


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


How can I got clear the error while running UPDATE query in MySQL?

MySQL error code: 1175 during UPDATE in MySQL Workbench


java.lang.NullPointerException when using methods from multiple classes

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


The dot product in the room (third dimension) equal to the axies-values of the two vectors.

Proof of equivalence of algebraic and geometric dot product?


It's possibile to delete some file with a range af number in a name?

Can I use a variable in a Bash brace expansion?


how to I merge 2 VMware disks in to a single one , on ubuntu

How do I merge 2 VMware disks in to a single one?


Different number of predictions than expecting in linear regression

r predict function returning too many values


php sort associative multidimensional array


Safe approach of storing MySQL credentials

How to secure database passwords in PHP?


When someone's account is deleted, reputation is updated accordingly, and vote count is not updated everywhere

Answers in top Network Posts showing incorrect score


How many ways to put n objects into n bins, with object i not in bin i for 1<=i<=n ??

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


Wildcad selector with ignoring similar matches


apt-get can't find common packages after fresh install of Ubuntu 18.04

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


What's the "standard" way to express a zero/null morpheme in an interlinear gloss in LaTeX?

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


establish passwordless login without asking the user

How to automate SSH login with password?


Do I need to include the preposition "with" in the sentence below


how to parse an enum just based on a string?


Garlic clove turned to Dark grey/green powder?


Existence of well-order on an arbitrary infinite set $X$ without a largest element

Can we find a well ordering on an infinite set with no largest element?


Creating dynamically named variables from user input


What is the name of this kind of visualization, with arrows showing count of different subsets?

What is the proper name for a "river plot" visualisation


Undefined reference when trying to define template  operator<

Why can templates only be implemented in the header file?


Something other than looping through array?

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


Film (possibly made for TV) where everyone wears a headset which controls thoughts by suppressing IQ

Episode of TV show where nobody was allowed to be smart


sstatic.net is getting cookies even though it says cookieless


Let $P$ be a $n\times n$ matrix, if there is $k\in \mathbb Z^+$ such that $P^k=O$, prove that $P^n=O$.

How to show that the nth power of a $n \times n$ nilpotent matrix equals to zero $A^n=0$


Proving $\prod_k \sin \pi k / n = n / 2^{n-1}$


Where to ask questions about Apache and WAMP

Do questions on WAMP belong on Stack Overflow, Server Fault or Super User?


Integration-Can anyone give the technique t0 integrate this type of problems?

Most efficient way to integrate $\int_0^\pi \sqrt{4\sin^2 x - 4\sin x + 1}\,dx$?


How can I know English flight times from Manchester airport?

Historical flight data outside of the USA?


Finding $\lim_{(x,y) \rightarrow (0,0)} \frac{\cos(xy) -1}{x^2 y^2}$


Inserting back slash between left and right braces

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


Prove that Group Ring RG is not a Division Ring for R commutative and G a finite group


How to properly render a curve/thin object in Cycles?


initWithArray vs initWithArray copyItems


Reinstalling Ubuntu while keeping all installed programs

How to list user installed applications (not packages)?


How to change the default version of python in a linux machine ?(not just symlink)


Can I delete cnijpwgtmp files in /var/tmp?

Is it Safe to Delete Files From /var/tmp?


\cite does not refer to items of thebibliography environment

LaTeX Warning: There were undefined references


Why does Joule's Law of Heating defined by $H=i^2R$ only?


How to Sort Multi-dimensional Array by Value?


Encoding in Java Servlet Google App Engine

How to get UTF-8 working in Java webapps?


facl ignoring the "x" permission but only on files


Find the number of ways the 3 colored balls can be placed on vertices of a polygon without same color being adjacent and considered up to symmetry


Failed to upload an image, "An error occurred at imgur"


intersection between two curves in Mathematica


Google news not showing images from my site

Foolproof way to ensure Google news pulls the correct image for its thumbnails?


LyX: how to make two "examples" not separated by a different environment?

Two math sections of the same type in a row?


How can I recover from accidental chown -R

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


Binomial coefficient: Search for multiples of 13


Java.lang.RuntimeException:setParameters failed at android.hardware.camera.native_setParameter(Native Method)


What's the difference between passing by reference vs. passing by value?


Is it Correct To Start A Sentence With a Coordinate Conjunction

Using "And" at the beginning of a sentence


How to hide a block based on content type?

How to hide blocks based on content type or for specific nodes?


Functions in ~/.bash_profile not found in an interactive shell


Will unplugging a USB key without safely removing it cause problems?

Should I unmount a USB drive before unplugging it?


What use instead of css() for pseudo elements?

Selecting and manipulating CSS pseudo-elements such as ::before and ::after using javascript (or jQuery)


Each finite field has a primitive element

Why is the multiplicative group of a finite field cyclic?


automatically split \begin{align*} content in two pages

Is it possible to pagebreak aligned equations?


collect2.exe [Error] ld returned 1 exit status

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


Return of `const bool` causes warning C4180


Is there a built-in function to multiply each matrix line by an array?

Multiplying two dimensional data by a constant


"GPG Error: Clearsigned file isn't valid" When Installing Mongodb

Got NODATA issue: 'NODATA' (does the network require authentication?)


How to find out whether a transformation is a canonical transformation?


Prove that $\gcd(a,b)=d \Rightarrow \gcd(p^a-1,p^b-1)=p^d-1$

Prove that $\gcd(a^n - 1, a^m - 1) = a^{\gcd(n, m)} - 1$


Save Leaflet drawn features with attributes to PostGIS

How to add Geoserver WFS to Leaflet JS Application


Update query not taking integer variable


Interpret the multi linear regression graph


Do I need to select features for XGBoost

Does feature selection help improve the performance of machine learning?


Does Find My Mac work if the disk gets erased?

Does Find My Mac stop working after the system has been wiped?


How to move /var to another existing partition?


How to punch text out of an object in Illustrator?


E: Malformed entry 1 in list file /etc/apt/sources.list.d/atom.list

E: Malformed entry 54 in list file /etc/apt/sources.list (Component)


when does a collection when assigned to another will have a different reference in java

How to clone ArrayList and also clone its contents?


How can I show the System Tray across multiple monitors in Windows 8.1

How to put the taskbar's notification area on two screens in Windows 8.1


Open "similar questions" links in a new tab

Make links posted by users open in a new window


Generating TIN from DEM using MacOSX/Unix tools?


how to code a variable subscripted with another subscripted variable


How to recover 1.4GB video file that can't be read (Canon)

How to open and repair an m4v or mp4 video file?


What are the various physical mechanisms for energy transfer to the photon during blackbody emission?


Proving the identity $\sum_{k=1}^n {k^3} = \big(\sum_{k=1}^n k\big)^2$ without induction


Does simple linear regression imply causation?


T-SQL Concat 2 Rows with same Id from Join

Simulating group_concat MySQL function in Microsoft SQL Server 2005?


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


Is it possible that there are more than 6 quark flavors/more than 3 generations?

Why do we think there are only three generations of fundamental particles?


Prove that for all $U\subseteq A$ and $V\subseteq A$, that $f(U\cup V)=f(U)\cup f(V)$.


What is the difference between “say” and “tell”?


Make a web listener class publicly available


How to initialize downvalues from a list?


Java Static and Dynamic Binding, Overloading


Replacement of independent variables in the differential equations with partial derivatives

Analogue for Maple's dchange - change of variables in differential expressions


What can be the full synonym for "fitness enthusiast"?

What do we call people who go to the gym?


Nginx 98: Address already in use - Failed to start A high performance web server issue

Can't restart nginx, bind() failed (98: Address already in use)


Returning a string from a C# DLL with Unmanaged Exports to Inno Setup script


Can you install an app in a secure silo?

How can I run apps in an isolated environment on my smartphone?


How to get the home directory in Python?

How to find the real user home directory using python?


People creating fake account with name and picture of other StackOverlow users

How to handle people impersonating other people by choosing the same display name


Is it possible for a research article to be informative and ground breaking without referencing any other work?

Is it acceptable to have a research paper with no references?


#!/bin/bash -x or -v doesn't print to stdout on Ubuntu 20.04

What is the difference between running "bash script.sh" and "./script.sh"?


External HDD can't be detected on My Computer

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