Prove that $\nu(n) \le \nu(2^{n}-1)$ where $\nu(n)$ is the number of positive divisors of n

Prove that $\tau(2^n-1) \geq \tau(n)$ for all positive integers $n$.


node-hashtable - how to get set of all keys?

How to list the properties of a JavaScript object?


Access arguments to Bash script inside a function

How to access command line arguments of the caller inside a function?


Warm air goes up: reason on a microscopic scale?

What is the microscopic picture for warm air rising?


Calculate limit or prove it does not exist

Limits of trigonometric functions: $\lim _{x\to \pi } \frac{\cos(x/2)}{\pi ^2-x^2}$


How do I get the MAX row with a GROUP BY in LINQ query?


Why can't table markup elements be used?


Problem with making table with special header that includes bolded numbers

Problem with a table with special header: bolded numbers are badly aligned with the rest of the numbers


"Net Send" command into Microsoft server 2008 r2


Installing Tor for anonymous browsing on Ubuntu 20.04

How do I install the Tor Browser Bundle in Ubuntu?


I can't run C files with .h files included in eclipse IDE and Code:Blocks

What is the difference between #include  and #include "filename"?


PuTTY - no recent connections in Windows 10 version 1607

Putty Taskbar Jump List Broken on Windows 10


Shortcut to quickly enter .com in browser on Mac OS

Can I create a shortcut to type a short sequence of characters?


Getting Http Status code number (200, 301, 404, etc.) from HttpWebRequest and HttpWebResponse


How to access and copy files from an old/other Ubuntu system's partition?


Horizontally and vertically align element within 2 elements while maintaining 2:1 width to height ratio

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


Why do I need 'b' to encode a string with Base64?


Biblatex with Biber: Configuring my editor to avoid undefined citations


how to access android phone connected to remote machine

How can I deploy and execute an application on a device connected to a remote system?


Infinite sum of a series $\frac{N}{100} .( \frac{99}{100})^{(N-1)}$

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


Cant create new AndroidAplication Project

ADT 22.2 New App Wizard: Unsupported template dependency: Upgrade your Android Eclipse plugin


Conditional expressions instead of if statement

Is  && statement() the same as if() statement()?


Is it worth the gain in SEO to have 3 sites of mine have links between them?

Could crosslinking using very general anchor texts be a reason for a drop in rankings?


How do I change merge sort for calculate distance of an array from sorted array?


Alternative to using ArcGIS Online Geocoding

Geocoding USA addresses that cannot be sent over internet?


What causes SAXException2: Instance of “com.foo.Bar” is substituting “java.lang.Object”, but “com.foo.Bar” is bound to an anonymous type

com.sun.istack.SAXException2 : Instance ... is substituting "java.lang.Object", but ... is bound to an anonymous type


What were the consequences of Voldemort getting the prophecy?

Why did the Order bother to guard the Prophecy?


When it comes to the laws of powers, is there a specific order?


Charge controller for Li-ion or Li-Polymer battery


Evaluate $P.V. \int^{\infty}_{0} \frac{x^\alpha }{x(x+1)} dx $ where $0 < \alpha <1$

Closed form for $ \int_0^\infty {\frac{{{x^n}}}{{1 + {x^m}}}dx }$


Removing rows using join and skip some of them - MySQL

Find records from one table which don't exist in another


Distribution of $X=\binom m Y \left(\frac 1 2\right)^Y \left(\frac 1 2\right)^{m-Y}$ where $Y$ is a Binomial variable?


How to get video format from URL using Javascript

How can I get file extensions with JavaScript?


How can I get the vector value of the normal of a selected face using the Blender Python API?

Is there a way to get a list of coplanar faces using Python?


Getting UTC java.uti.Date from LocalDateTime Java 8

How can I get the current date and time in UTC or GMT in Java?


Failing string comparison for command-line interaction

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


Method is not working in Java as I want it to print out my phone number

Why are integer literals with leading zeroes interpreted strangely?


Invisible prompt after global redirection of stderr to /dev/null


How to install the latest version of WINE as the system version?


What do I do about thinset that has oozed up between the tiles?

Must I remove all mortar between tiles before grouting?


When is the past perfect exactly needed?


Show reports in VisualForce Page through Apex

reports embedded in visualforce not showing


Is this sentence grammatically correct ? Use of present participle


Upgrading packages through Terminal and knowing when a restart is then needed

How can I tell, from the command line, whether the machine requires a reboot?


Understanding better Javascript OOP architecture

JavaScript: Class.method vs. Class.prototype.method


How to get actual web page size (in Byte or KB or MB) of a Loaded UIWebView?

Get total height of webView's content using Javascript


OmniAuth & Facebook: certificate verify failed

SSL_connect returned=1 errno=0 state=SSLv3 read server certificate B: certificate verify failed


Why does a user who has direct edit privileges have to vote for approving suggested edits?

I can edit a question and have it change, but if I approve an edit from another, this is not enough to make the change happen


Failing make Navigation Bar of an UINavigationController display at the bottom programmatically

How to make the Navigation Bar of an UINavigationController display at the bottom?


How to change a commit content after the commit has been pushed to the remote branch?

How do I push amended commit to the remote Git repository?


Quick way to find a value in HTML (Java)


I have stored image to inputstream from html,so i want to store the inputstream to folder in my drive

Easy way to write contents of a Java InputStream to an OutputStream


How age of universe or galaxy estimated?

How has the age of the Universe been derived from the observations made by the Planck mission?


unable to mount New Volume from Ubuntu 14.04

Unable to mount Windows (NTFS) filesystem due to hibernation


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


Clarification on the information content of a qubit

How can infinite information be theoretically encoded or stored in a single qubit?


Is magic allowed on the Hogwarts Express?

Why isn't using magic on the train considered "Underage Magic"?


jQuery: Get height of hidden element in jQuery


Is there video codec pack for Quick time player?

Quick Look support for non-native video files (.avi, .mkv) on Mavericks


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


Why is the first character in these variable names a '$' - JavaScript

Why would a JavaScript variable start with a dollar sign?


Sizes of icons for SE network sites are not equal

Is the puzzling icon too big in the SE app?


Interpretation of Importance score in Random Forest


What is a single-word to describe a person who refuses to apologize or admit when they're wrong, especially when dealing with others?

What is a word for "cannot-be-wrong" attitude?


Set every label node to his north west position

Change style of labels of Tikz nodes of a given style


Short story told from vegetarian alien's POV observing astronaut behavior, including laughter

Looking for a short story about an insect-like alien captured by humans on its own planet


Where can I get an Ubuntu Installation CD/DVD/USB?


Direct formula for area of a triangle formed by three lines, given their equations in the cartesian plane.


Prove that solution blows up in finite time

Problem on the domain of the solution of a differential equation


Question on continuity and intermediate value theorem

How do I use the Intermediate Value Theorem in this question?


How to concatenate a std::string and an int?


Show that there exists $i$ and $j$ with $1 \leq i<j \leq 51$ satisfying $a_i$ divides $a_j$.

Prove that if 51 positive integers between 1 and 100 are chosen, then one of them must divide another.


nullPointerException in PriorityQueue using Nodes

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


Where should I get my letters of recommendation, coming from outside academia?

How to secure recommendations and apply for PhD after having worked outside of academia for two years?


Giving permission 777 to folders/files Cons?

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


Android show a progress dialog before asyncTask


Spring Data JPA custom repository function error - Invalid derived query! No property find found for type


Ubuntu Won't Connect to the Internet - BCM4312


Huge close votes review queue on Stack Overflow


Why speed of light is constant with respect to any inertial frame of reference?

Why and how is the speed of light in vacuum constant, i.e., independent of reference frame?


This is with respect to the if statement in python


Is there a form of "Anglicize" for other countries, specifically Ireland?

French (and, hey, others too) equivalent of "anglicize"


Can I install Ubuntu on a Lenovo Ideapad A10?


How to put variable inside string-resources?


Will a Pentax K-1 charge a battery in the camera?

Are there any DSLRs which can charge the battery via USB?


Prove that $\sum_{r=0}^n({n\choose r})^2={2n\choose n }$

Proving $ \binom n 0 ^2 + \binom n 1 ^2 + \dots + \binom n n ^2 = \binom { 2n} n $ without induction


Morphisms that permit arbitrary lifts/extensions.

Is this an equivalent formulation of "surjective" resp. "epimorphism"?


Android compare string with two method but still not work


Invoke virtual method 'java.lang.String com.fivenine.shareit2.models.UserAccountSettings.getProfile_photo()' on a null object reference

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


Is the there a unique correspondence between the potential and bound state wave functions?

In quantum mechanics, given certain energy spectrum can one generate the corresponding potential?


Unable to find Skype chat history on Windows 10

Where and how can I view skype logs (Chat and Voice history)?


Where does this sequence $\sqrt{7}$,$\sqrt{7+ \sqrt{7}}$,$\sqrt{7+\sqrt{7+\sqrt{7}}}$,.... converge?

$\sqrt{c+\sqrt{c+\sqrt{c+\cdots}}}$, or the limit of the sequence $x_{n+1} = \sqrt{c+x_n}$


Pronunciation of words ending with “-tion”

What are the rules to pronounce the suffix "-tion" in English, "/-tʃən/" or "ʃən"?


Analytical solution of a convergent series

How to prove that $\sum_{n=1}^{+\infty}\frac{1}{n^2+1}=\frac{-1+\pi \coth (\pi)}{2}$?


Cannot run apt update in a Debian docker container

How to work around "Release file expired" problem on a local mirror


Issues with tree based learners for Boosting Machines or RFs

Random forest regression not predicting higher than training data


python , mac - Storing a string inside "command v"

Can python send text to the Mac clipboard


Problem of calculating the residue of a expression (to confirm the result from a paper)

Residue failed to reproduce this residue in a paper


How to get current date - two weeks date in Java?

How to get the date 7 days earlier date from current date in Java


need help on a error called StackOverflowException: The requested operation caused a stack overflow

How do I prevent and/or handle a StackOverflowException?


Matrix positive definite if and only if the vectors a lineary independent

Gram matrix invertible iff set of vectors linearly independent


What does the "moment" in the moment of force or the moment of inertia refer to?


Need help with relatively abstract generating function problem

What is the proof that the total number of subsets of a set is $2^n$?


for $f(x,y)=(x^2-y^2,2xy)$ Sketch f(A) for $x>0$

Show function $f(x,y)=(x^2-y^2,2xy)$ is $1$-$1$ by Inverse Function Theorem


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


When to use LinkedList over ArrayList in Java?


Linux command line : edit hacked index files

Hacked Site - SSH to remove a large body of javascript from 200+ files


Unicode char not set up for use with latex

Which encoding should I use with TeXShop on a Mac?


How do I permanently change permissions for /dev/ttyS0?


Can a probability distribution value exceeding 1 be OK?


Best practices for cooking steaks such as rib-eye at home


What is the wrong if i compare string using == operator in java instead of equals() method


What happens if your US visa, B1/B2 expires (unused visa) without travelling

Will unused B1/B2 visa affect future visa applications?


How to calculate the integral $\int_{-\infty}^{\infty} \frac{dx}{(\exp(x)- x)^2 + \pi^2} = \frac{1}{1 + W(1)}$

Interesting integral related to the Omega Constant/Lambert W Function


How can i count number of digits in tetrated numbers?


Performing len on list of a zip object clears zip

Why can't I iterate twice over the same data?


Time to upgrade SSL Cert(s) on *stackexchange.com

Better HTTPS support for Stack Exchange sites


Where should I ask questions about technology recommendations?


How would I see if a specific item is on a list in java script? [ANSWERED]

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


Is double Multiplication Broken in .NET?


How do I install MATE (the desktop environment)?


C++ | Using a custom class as key for unordered_map

Why can templates only be implemented in the header file?


Warning: preg_replace(): Compilation failed: unknown option bit(s) set at offset -1

PHP 5.4 after-install: preg_match(): Compilation failed: unknown option bit(s) set at offset 0


Getting the Class attribute works in IE9 but not IE8


Where can I sell my Magic: The Gathering cards?


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


ubuntu 16.04 wakes up immediately from suspend after installing Fprint in lenovo T530

Ubuntu wakes up after few seconds of sleep


What is the fastest way to get a UK passport?

How can I minimise the time to get a new UK passport?


How to retrieve rows with max value in one column for each combination of other two columns?

Get rows with most recent date for each different item


What exactly is the flight itinerary needed for German Schengen visa?


What does it mean by automatically lifted?

Question ban – what exactly are "positive contributions"?


If $G_1, G_2$ are two nonzero subgroups of $(\mathbb{Q},+)$, prove that $G_1\cap G_2\neq\{0\} $.

Prove that any two nontrivial subgroups of $\mathbb{Q}$ have nontrivial intersection


How to render the Trajectory of a Moving Object?

Is it possible to create a path from an existing object animation?


Typesetting double brackets and double parentheses


Prove the following equality involving $f'(0)$

Prove that $\frac{1}{f'(a)} = \frac{1}{2\pi i} \int_C \frac{1}{f(z)-f(a)} dz$


becoming a cryptographer after math studies

Recommended skills for a job in cryptology


What is ( standardly) the official status of " Truth" and " Falsity " in propositional logic?


Better alternative to several ||s in Javascript

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


Is there any way to restore the distribution name?


How to center text inside a div element?


ListPlot - using the range of variable in axis


An application of the uniform boundedness principle


Prove $\sum^{\infty}_{n=1} \frac{a_{n+1}-a_{n}}{a_{n}}=\infty$ for an increasing sequence $a_n$ of positive integers

If the positive series $\sum a_n$ diverges and $s_n=\sum\limits_{k\leqslant n}a_k$ then $\sum \frac{a_n}{s_n}$ diverges as well


Is there any way to make JFrame in front of applications outside windows? For example during playing any game on full screen?


Update the Android app to hide questions under ignored tags (when I have that setting enabled)


How to understand the Ubuntu file system layout?


Given a debian package name, how do I get a URL to the latest .deb URL?

How to download packages from a command-line given repository?


Killing form on some Lie algebra $L$ is zero. Is $L$ necessarily nilpotent?


Place two LilyPond examples side by side in LaTeX

Place two Lilypond examples side by side


How to have num lock enabled by default on log on screen?


Get just the filename from a path in a Bash script


How can I figure out the font used by a class file

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


Permanently blocking a domain in iptables


PHP Get URL Contents And Search For String


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


What is used the most while telling time in AmE?

How do they express the time, in American and British English?


Is double square brackets [[ ]] preferable over single square brackets [ ] in Bash?


confused about printf() that contains prefix and postfix operators

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


NullPointerException java whenever i click on a button to change an anchor pane content

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


Field of Fractions $F$ is a finitely generated $R$-module iff $F$ is equal to its integral domain

Commutative integral domain does not finitely generate its field of fractions


Cannot write the # without being a comment

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


How to shift EXIF date/time created by time in days, hours, minutes?


Not Understanding the Reason Behind This Type of Partial Fraction Decomposition

Derivation of the general forms of partial fractions


Replacing "and" by "og" and "In"by "I" in references and bibliograpy using natbib


How to check if object is a DOM element?

How do you check if a JavaScript Object is a DOM Object?


Going back twice required to return to search results in the tags view


Change numerical value on a button when pressed - javafx


Where does Dumbledore learn to speak Parseltongue?


How to change Desktop, Download, Music and ... path?

Is it safe to rename special user folders?


How to check if a double value has no decimal part


URL validation using Regular Expression in JavaScript

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


Pgfplots: how to fill bounded area under a curve using addplot and fill?


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


Prove by Induction : $\sum n^3=(\sum n)^2$

Proving $1^3+ 2^3 + \cdots + n^3 = \left(\frac{n(n+1)}{2}\right)^2$ using induction


Getting 'int java.lang.String.length()' on a null object reference when trying to retrieve data using GeoQuery

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


Got a new iPhone - where am I supposed to receive the verification code?


How to copy a remote tree without hidden files?

how to copy or backup files ignoring dot files


How do I check and inform user had javascript enabled in browser

How to detect if JavaScript is disabled?


setValue:forUndefinedKey: this class is not key value coding-compliant for the key


Pronunciation of "i" in the words like "direct", "organization", etc


JavaScript RegExp For Phone number validation that need to allowing hyphens and space in between the numbers

How to validate phone numbers using regex


What if the size of the Universe doubled?


Filemaker 13 to Firebird SQL connection?

Filemaker 13 ODBC Firebird connection possible?


Let $p$ be a prime and let $F$ be a field with $p^k$ elements and $K$ a subfield. Show that $Gal(F : K)$ is a cyclic group of order $[F : K]$.

Compute Galois group of $\mathbb F_q/\mathbb F_p$


Difference between HMAC-SHA1(key, msg) vs SHA1(key + msg)

Why is $H(k\mathbin\Vert x)$ not a secure MAC construction?


My Enchanted Bow Command Doesn't Work. MC 1.8.8

How can I fix "unbalanced brackets" in my data tag?


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


How can we show that $e^{-2\lambda t}\lambda^2\le\frac1{e^2t^2}$ for all $\lambda,t\ge0$?

Simplest or nicest proof that $1+x \le e^x$


Phd in Mathematics (Analysis, Analytical Number Theory)

Graduate school admission with a degree in a different field


Why does the version of Java verified by Oracle differ from the version shown at the command line?


Shouldn't My Google Account have the Same Reputation on all StackExchange Sites?

Share reputation between Stack Exchange sites


How could Kowalski remember what happened in New York? And is the movie explanation?

What happened at the end of Fantastic Beasts with Queenie and Jacob?


How to pass quoted arguments from variable to bash script

Why does shell ignore quoting characters in arguments passed to it through variables?


How do I remove/delete a folder that is not empty?


The login keyring did not get unlocked when you logged into your computer

How can I stop being prompted to unlock the 'default' keyring on boot?


“All you have to do is read” vs. “All you have to do is to read”


Do i have to update the serialVersionUID for this change?

What is a serialVersionUID and why should I use it?


Can I apply CSS to the elements within an iframe?


How do playthroughs work in Borderlands 2?


How to combine these two array into one array using php?

Merge two arrays as key value pairs in PHP


How to stop Microsoft Skype For Business for starting after reboot

How do configure Skype For Business to not start when macOS starts?


Modular arithmetic - re-arranging equation to get outcome

Solving system of Congruences with Two Variables (x and y)


When and why to use these various Java Script function declaration formats?

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


Is there any formula for strong and weak nuclear force?

Do strong and weak interactions have classical force fields as their limits?


Big O, how do you calculate/approximate it?


Book where an undercover chess grandmaster is sent to an alien planet so that he can facilitate contact or avoid the forthcoming war

story about an undercover agent investigating a super powerful games-playing human-like alien


Login options don't appear on Ubuntu 18.04, instead I get logged in automatically


How to fix the size of a third bracket in the multiline equation using the line break?

Using \left( & \right) around amsmath's align delimiter ("&")


What happens with Whatsapp iCloud backup if I don't restore media

Is it possible to temporarily skip media restore in WhatsApp?


Why does my tar file extraction to destination throw an error?

How do I use gunzip and tar to extract my tar.gz file to the specific directory I want?


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


backup compatibility between SQLExpress 2012 and 2016

Restore a SQL Server 2012 backup file in SQL Server 2016/2014


Does one need to clear immigration when crossing only international waters and returning to the same country?

Do you go through customs when returning to your country if you never entered any others (by sea)?


Move dot outside the quotes on the pages, which can't be accessed by a member with low reputation

Move the period outside the quotes on the site-analytics page


Install Windows 7 from USB in Ubuntu 16.04 LTS

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


Lots of trouble with Broadcom Network Adapter - Ubuntu 16.04


How to add a search icon in my search input


Stop Python from generating pyc files in shebang


setter method return self not work, it's a bug?

Is it possible to have class.property = x return something other than x?


What is the reason for having '//' in Python?

What is the difference between '/' and '//' when used for division?


Difference between standard error and standard deviation


Proving a non-universal set doesn't exist in ZFC Set Theory

Classifying whether a collection of objects is a set


$_SERVER variable to identify where request is coming from?


Why do we even need profile when we have permission sets?

Exclusive differences Profiles vs permission sets?


Should I ask a recommendation letter from a supervisor with whom I had sometimes difficult time working with?

Because of past conflicts, I don't believe my advisor will write me a good LOR for postdoc positions. What should I do?


\addbibresource doesn't work with file contents

Biblatex with Biber: Configuring my editor to avoid undefined citations


When I edit a post in Stack Overflow, who reviews that for its verification?


Are metals more reflective at lower temperatures?

Reflectivity of a glowing-hot metal surface


Proof for: $(a+b)^{p} \equiv a^p + b^p \pmod p$


Defining a variable after inner function is a bad practice?


How to write a test class for a method that send a htttp request among other things

How do I unit test code that includes a callout?


How do I deal with a compromised server?


How to Pass an Argument into ElapsedEventHandler


Compute string as an arithmetic operation


WHEN MATCHED clause fails if there's a NULL in the ON columns


Replacing initWithNibName:bundle: call to use a storyboard instead

How can I load storyboard programmatically from class?


How to concatenate multiple strings in android XML?

Reference one string from another string in strings.xml?


Event binding on dynamically created elements?


What (if any) state did energy exist in prior to the big bang?


Can you create a game on an anime/serie/saga already existing?

Will I have copyright issues making a mobile game based on an anime?


How to use exclamation marks in Minecraft commands?


Certificate error on meta.physics.stackexchange.com


Want to link to a USB Host via my laptop

Make a computer act as a virtual USB device for other equipments


expected primary-expression before ‘>’ token on template arguments

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


C# Show Windows Form before executing the code

How do I execute code AFTER a form has loaded?


How does Starfleet maintain staff morale given that there is no salary difference between the top and bottom person?

Why do people risk death by joining Starfleet if not for money or preservation of their homes?


what MS options are available for a student interested in computer vision and image processing?

What are the masters options available for getting into computer vision and image processing research from an electronics background?


Proof that two basis of a vector space have the same cardinality in the infinite-dimensional case


Is it possible to identify this chrysalis?


Why does C# have break if it's not optional?


Generating random whole numbers in JavaScript in a specific range?


Blender render engine is rendering just part of an object

Why does part of my model disappear when I zoom in on it in the 3D Viewport?


how to write back to open csv file in python

Add columns to CSV while writing the CSV


Increase the height of UITextView according to its content

How do I size a UITextView to its content?


Is there a way to get the current value of some entity field from the DB which I have changed and am about to update?

Hibernate: comparing current & previous record


Find the limit for the sum of a series with $a_k = \frac{1}{k\cdot 2^k}$

Compute the sum of the series $\sum_{n=1}^{\infty} \frac{1}{n \cdot 2^n}$


How do I publish the work of my elderly father, a "fringe" scientist?

How do I go about publishing my late father’s legacy papers?


JTable getValueAT Null Pointer Exception when a Field in Row is null

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


Its about Finding the values of (A) for which the system has no solution, infinitely many solutions, and a unique solution in linear Algebra

Linear systems. Please help me solve this


Is it posssible to let ls -l automatically use --time-style=long-iso?


When should extends be used instead of instantiating a class?


Wireless internet connection does not work properly

My Ubuntu 16.04 keeps disconnecting from the Wi-Fi (eduroam). Why?


How do I get a Cron like scheduler in Python?


Is there a way to get Miro to use flash?


How do I get the square root of a complex number?


How can I save the world from the spread of Hallow and Corruption/Crimson?


Proof that $A_n$ the only subgroup of $ S_n$ index $2$.

$A_n$ is the only subgroup of $S_n$ of index $2$.


Will I be able to use wubi to install Ubuntu releases newer than 12.10?


Is there a way to initialize a container with one line?

What is the easiest way to initialize a std::vector with hardcoded elements?


The icon between settings and lock-screen in Gnome3 is acting abnormally?

Understanding the functionality of a button with a rotating arrow in GNOME 3 status menu


Determine server damage - File injected possibly through ProFTPD

How do I deal with a compromised server?


The algebraic closure of a finite field and its Galois group


How to access a text file from anywhere in terminal

How to run scripts without typing the full path?


Can bad weather be reason for Visa overstay

What happens if my flight out of the Schengen area is cancelled on the last day of my visa?


Perception of toxicity in newcomers. What can we do about it?

What about the community is "toxic" to new users?


Has anyone dealt with leonlite low voltage ground lights?

Why do my 7W LED ground lights flicker even though they're on a transformer


Every power series is the Taylor series of some $C^{\infty}$ function


how to make nouveau.modeset=0 automatic on boot


usage of "the" in "the English language"

Definite article before name of languages


android.util.Patterns Unit test returns NullPointerException

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


Book for Statistical and Probability Theory

Book recommendations for beginners about probability distributions


Invalid identifier ' '. error on running code in anonymous window

Getting error while writing a simple trigger


Why can't we have simple HTML in comments?

Add syntax highlighting and line breaks to comment formatting


Prove that $|a+b|^p \leq 2^p \{ |a|^p +|b|^p \}$


Intuitive explanation of why p is not the probability of the null hypothesis

Interpretation of p-value in hypothesis testing


Any insights on how to make a canvas drawing not go on top on the other?


Regex or jquery replace all string matches in another string

How do you use a variable in a regular expression?


Peano axioms in FOL - numbers lower than or equal to another

Peano/Presburger axioms - "find" numbers lower or equal than another number


Are more mobile app review or moderation features coming?


Vertically centring the element on the page

How can I vertically align elements in a div?


My phone gives me charge load for my bluetooth headset why wont my mac?

How to check the battery level of devices connected via Bluetooth in OS X


Extract specific values from raster in QGIS

Extracting raster values and creating new raster in QGIS?


Circular saw blade position: corded vs battery

Why does a cordless circular saw have the blade on the left?


What exactly does "nights" means when you book? Is it number of night you are going to sleep, or simply days you are going to stay?


Why do I get a NullPointerException on this Infix to Postfix programm code

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


How do I ignore ampersands in a SQL script running from SQL Plus?


Catch 22 on moving from old-style passwords and mysql_upgrade

I changed mysql root password and I cant access It. password contained some chars


Resorting the *.bib file as appeared in *.tex and rewriting to a new *bib file (biblatex)

How to split all BibTeX referenced entries from a big BibTeX database to a copy?


Selecting content with no element wrapped around


What do you call a person who started something that is later followed by everyone?


If $3n+1$ and $4n+1$ are perfect squares prove that $n$ is divisible by $56$.

If 4n+1 and 3n+1 are both perfect sqares, then 56|n. How can I prove this?


From LibreOffice Calc to LaTeX - exporting tables and graphs

How to include a PDF image into a PDFLaTeX document


How do you use pointers to reference the address of an element in an array?

How to use pointer expressions to access elements of a two-dimensional array in C?


How to reuse/cite your paper in your thesis when both have same topic

Is it normal to "extract a paper" from a master thesis?


Hooke's law and elastic potential energy

Elastic potential energy and equilibrium position when mass changes in vertical mass-spring system


Proving the equality of sequences' limit

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


Defining $\mathbb{C}$ without defining $\mathbb{R}$

Can we construct $\Bbb C$ without first identifying $\Bbb R$?


Make y-axis logarithmic in histogram using R

Histogram with Logarithmic Scale and custom breaks


JavaNullPointerException when using ProGuard

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


example of noncommutative rings $A$ such that $A^2 \cong A$ as left $A$-modules

A ring without the Invariant Basis Number property


gpgkeys: HTTP fetch error 7: couldn't connect to host

Error message "sudo: unable to resolve host (none)"


how to recover a deletd ext4 GPT partition on one drive, from a DD'ed 2nd drive that was RM -RF'ed


How to create a multi-partition USB drive that also acts as the bootable ubuntu.iso?


Confused about When to Use “these” and “those”

What's the difference between "these" and "those"?


Custom environment with minipages causes "Illegal parameter number in definition of \end"

Why can't the end code of an environment contain an argument?


Why does Worf behave more like Klingon than Human given that he was raised by human parents?

If Worf was raised by humans after the age of 5, why does he "act" so Klingon?


What is this device on top of a Federation Runabout?

Unknown equipment on the back of some runabouts


Why there is ban on user having reputation below 15 to post image?

Why don't we allow low reputation users to insert more than two images in their posts?


How to Mount USB to access files from Terminal

How to access a usb flash drive from the terminal?


Is there a hash function h(M + t1) = c1 that relates to h(M + t2) = c2 in a way that can be verified without knowing M?

Validating that a hash is over a specific value for two hashes with additional (known but different) input


How to combine two strings together in PHP?


How to start application in specific workspace programmatically on GNOME 3

Initialize start-up applications in certain workspaces?


Lightning Datatable Picklist and Lookup Work Around

How to use custom LWC lightning component in lightning-datatable


Creating a python scrabble function that takes a string as input and returns a score for that word

UnboundLocalError on local variable when reassigned after first use


Changing my login e-mail in StackExchange


C++ static object declaration in .cpp file

Undefined reference to static class member


Use a console in a C# WinForm application

How do I show a console output/window in a forms application?


What is the correct way to install Adwaita theme on Ubuntu 12.04?

Can I use the Adwaita theme in Unity without installing GNOME shell?


How to test binary compatibility automatically?

Static analysis tool to detect ABI breaks in C++


Script called by .bashrc with "exit" prevents log-in

What is the difference between sourcing ('.' or 'source') and executing a file in bash?


My app is crashing in the emulator, but the project has no errors

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


Is solving the OP's original problem wrong?

Recommend MVVM or just answer the question?


Two files with a common field - is it possible to sort one based on the other?


How to check if a String is numeric in Java


How to recover partition deleted in windows and then installed ubuntu 16.04 on hard drive

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


Find out what kind of object a thing is in Javascript/Coffeescript when foo.prototype is undefined?


How to send email verfication in android using firebase


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


TypeError: list object not found in python


After the events of the final episode of *Game of Thrones*, who rules Casterly Rock now?


mounting partition with forgotten password

Unable to mount Windows (NTFS) filesystem due to hibernation


Luks broken after update from 17.10 to 18.04

Ubuntu with full disk encryption - bad password after upgrade to 18.04


How do you completely redirect the URL using javascript?


No stdio.h directory, tried sudo apt install libc6-dev but still facing the same problem

How do I restore the default repositories?


How to create a new user with restricted network access

How to restrict internet access for a particular user on the lan using iptables in Linux


reading cat file passing to command not working properly

Read a file line by line assigning the value to a variable


How to replace special regex chars in Python?


Does the distinction between left and right hand matter when making an off-hand attack?

Does it matter which weapon I attack with first when two-weapon fighting?


What does greater than and ampersand mean in a bash statement?

What are the shell's control and redirection operators?


Taking derivatives with respect to a matrix


Installation of Ubuntu Which version do I use on my Net book?

What are the differences between 32-bit and 64-bit, and which should I choose?


Get system memory and CPU usage from within C++11 code

How to determine CPU and memory consumption from inside a process?


If $\frac{f'}{f}\left(\frac{1}{n}\right)=\frac{g'}{g}\left(\frac{1}{n}\right)$ $\forall n$

If $f'/f=g'/g$ at every $1/n$ then $f=kg$ for some complex number $k$


Would it be useful to convert NTFS to EXT4 with this system setup?

Choosing File Format of /home between NTFS and Ext4, Understanding Trade Offs in Performance vs Data sharing with WinXP in Dual boot


What is the difference between "You have been banned from this server" and "You were banned from this server"?


Show that if $ A(t) \in \mathbb{R ^{n×n}}$ is a differentiable function of $t$ then $\frac{d(det A(t))}{dt}$

Derivative of determinant, which is correct?


How I can fix terminal and software center on Ubuntu 14.04?

How do I configure internet connection for Terminal on Ubuntu 14.04?


issues with generating a nomenclature with TexMaker

Error: could not start the command in Texmaker when I run makeindex


An equality of sets involving two directions

Show that $x\subseteq y \Leftrightarrow \mathcal{P}(x)\subseteq\mathcal{P}(y)$.


Overcoming ~5000 File Document Library Limits


Laptop PC stuck at startup, formatted, now data unrecoverable, looks encrypted

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


give me some help this error in android studio

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


What is the best way to give a C# auto-property an initial value?


finding a projective transformation between points

Finding the Transform matrix from 4 projected points (with Javascript)


Error Installing Homebrew - Brew Command Not Found


Folland question 15(a) Prove that $\mu(E):=\sup\{\mu(F)\mid F\subset E,\ \mu(F)<\infty\}$ is semifinite

Real Analysis, Folland Problem 1.3.15 Measures


Indentation in TOC and Lists of Figures/Tables


How to make sure, that grub always starts the default entry after a timeout?

How can I force Ubuntu to boot on a stuck boot menu?


How to set jquery function for all of  element in ajax response

Event binding on dynamically created elements?


Using egrep to find matches in a file while piping output from a cat command

How to search multiple search patterns from a file with grep


Python check if list items are integers?

How to remove all integer values from a list in python


What exactly is happening when we use the same word twice in a row?

Is there a term for reduplication used to disambiguate categorization?


Different Packaging Error Problem for General function failure

Troubleshooting Packaging Error of General function failure?


Data recovery software recovered folder as .exe

Testdisk VersuS corrupted removable sdcard and phone storage


How much time passed for the passenger traveling with at speed-of-light spaceship?

How long would it take me to travel to a distant star?


How do I sort an NSMutableArray with custom objects in it?


Why is there a delay when entering a wrong password?


Wifi connectivity problem in Ubuntu 14.04

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


I lost my game how could I return my account

How do I recover my old Clash of Clans (COC) game save & base?


Issue with combobox and concurrency in JavaFX

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


Agreement With Compound Subjects Joined by And


Use static_cast on non-pointer POD instead of c style cast

Why use static_cast(x) instead of (int)x?


Using Centos Firewall how to assign multiple IPs to a Port?

FirewallD : Allow connections only from certain IP addresses


What's a task-manager lighter than Activity-Monitor?


Installing Windows as dual boot on Linux computer

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


What's a good equivalent to subprocess.check_call that returns the contents of stdout?

Running shell command and capturing the output


A Light is shone out the side window of a spaceship ( moving close to light speed ), what speed will the light travel in it's own forward trajectory?

A Light is shone out the side window of a spaceship ( moving close to light speed ), will the light still travel at the speed of light in the B axis?


How to interpret the curl and div geometrically?

Geometric intuition behind gradient, divergence and curl


User following a proposal not listed as a member

Area 51 is miscounting my proposal followers


how do you determine the growth rate in from the linear model?


The following signatures were invalid: 630239CC130E1A7FD81A27B140976EAF437D05B5

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


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


Schedule a command to execute minutes later


Filling not applicable fields with N/A rather than leaving them empty or Null


What is the default set of packages installed with Trusty?

How do I list the default installed packages?


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


I can run faster than _____. (1) him (2) he?


Python: How to keep repeating a program until a specific input is obtained?

Asking the user for input until they give a valid response


How did the dinosaurs in the Jurassic Park sequels survive without lysine?

In the book "Jurassic Park" does the Lysine Contingency actually get explained?


where will the system search for dynamic libraries?

Where do executables look for shared objects at runtime?


InitializeBoundaryConditions::fembdnl: The dependent variable in the boundary condition needs to be linear

what causes the error "The dependent variable in the boundary condition needs to be linear" when using NDSolve?


Why are the eigenvectors of the Laplacian of a ring graph sinusoidal?


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


Oracle: Sending query result through email?

How can I send an email when objects get invalidated?


Mac App Store shows update count but section is collapsed/empty


How can I calculate the sum of the following series?

Sum of the alternating harmonic series $\sum_{k=1}^{\infty}\frac{(-1)^{k+1}}{k} = \frac{1}{1} - \frac{1}{2} + \cdots $


How to un-pad a string/number with zeros

How to remove leading and trailing zeros in a string? Python


How can i delete the 13.2gb photo library off of my phone?

How to mass delete your photos in your iPhone?


Attempt to compare nil with number in game

attempt to compare nil with number Corona


C skips user input from subsequent scanf statement


Most of something is plural or singular?


How to customize the_archive_title()? Cannot figure out how to change the value it produces


Encrypt an external hard drive with read+write access on both Windows and Linux


Definite article before scientific terms


Microsoft IIS converting https url to http


How can I use apt install on a computer with no network connection (from USB)?

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


How do I migrate my site from mysql to mysqli?


Can using a cascade encryption decrease security?

Can double-encrypting be easier to break then either algorithm on its own?


Prove that $\frac{(n-2)s^2}{\sigma^2} \sim \chi^{2}_{n-2}$

How to prove that $\hat\sigma^2$ has $\chi^2_{n-p}$ distribution (linear regression)


Can a US citizen leave and enter the US using a foreign passport?


Can a warblade use maneuvers on thrown weapons?

Can stances be used with ranged weapons like a bow?


Why table reference numbers are incorrect?

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


Network communication layer. AsyncTask error handling


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


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


UnboundLocalError: local variable referenced before assignment eventhough globals() was used pandas

UnboundLocalError on local variable when reassigned after first use


LCD Display not working, always white and random bars

MacBook display has vertical black and white lines on startup


Iterate arraylist and send email by grouping values


How can I generate the smallest enclosing sphere from a mesh?

How to generate AABB, OBB & Sphere from polygon soup


Alternatives to one-way ANOVA for heteroskedastic data


Why does the CAN bus use a 120 ohm resistor as the terminating resistor and not any other value?


mySQL passing a variable as cells name does not results in cells content

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


LINQ with SUM for TimeSpan, GROUP and JOIN for EF

Results from LINQ with SUM for TimeSpan, GROUP and JOIN


Is it possible to create a List of a primitive type?


How can I animate a mesh moving in a spiral fashion?


What are the differences between 32-bit and 64-bit, and which should I choose?


Is there a word or phrase for this specific kind of abuse of ambiguity?


Must mathematical entities necessarily exist?


Issue with DIV overlay within CSS style, image over image


Windows 7 SP1 Windows Update stuck checking for updates


I'm having issues with the boolean in my if statements


What is the remainder of $18!$ divided by $437$?


Is it wise or just sugar-coating to remove the comments?


Is the number $0.1234567891011121314\ldots$ a rational or irrational number?


What processing is done on RAW files in the camera?


How to prevent execution of main Python code when importing a function

What does if __name__ == "__main__": do?


IIS is not installing in windows Home Basic


Why sample with replacement in bootstrap?

Bootstrap methodology. Why resample "with replacement" instead of random subsampling?


duplicate the atrribute of an 'object' to a new variable

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


/bin/sed: -e expression #1, char 56: unknown option to `s'


You don't have permission to access when to set two name-based web sites on a single IP address in apache


How can I check if a package is installed (no superuser privileges)?


Is it possible to add/change your profile picture?


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


deformation and displacement by a collison?

Relationship between impact crater properties and kinetic energy?


What is the difference between these fuctions?

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


Where in the Dragon Ball timeline is the Super series?


void android.widget.Button.setOnClickListener(android.view.View$OnClickListener)' on a null object referenc

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


Converse of "localization at a prime is local"


What is the proper way not to scare civilians?


How do I avoid the "S to Skip" message on boot?


Is there a tool to convert from a programming language to another?


Why is it that an overridden method can't throw a new checked Exception

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


Uniform convergence of bounded functions $f_n$ to $f^*$ implies boundedness of $f^*$

Space of bounded continuous functions is complete


Is there a way to find out if I need a transit visa for Canada?


Unable to truly polygonize raster in QGIS

Polygonizing a raster yields lots of little squares?


Resizing videos with ffmpeg/avconv to fit into static sized player


Is there a formula or calculating the maximum monthly withdrawal from an investment so that it lasts a specific period of time?


How to evaluate $\int _0^1\frac{\arctan \left(\frac{x^2-x}{x-2}\right)}{x}\:dx$


Why do regex constructors need to be double escaped?


Importing a Single Symbol From a Different Font


Does Sylvester Rank Inequality holds for a matrix over finite field?

Sylvester rank inequality: $\operatorname{rank} A + \operatorname{rank}B \leq \operatorname{rank} AB + n$


Adobe flash download button redirects me to main site


Pluralization issue on the Ask question's side panel on the right-hand side

Pluralization issue on "Resolve 1 issues before posting": "issues" should be "issue"


How can I prevent Windows 8.1 upgrading to Windows 10?

What are all the Windows 7/8/8.1 updates (KBs) I must skip to avoid Windows 10 upgrading -and nags-?


what is equivalent of dataset when using with APIFunction?


How to use SVD for dimensionality reduction

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


plural form or singular form after a subject clause

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


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


$(S_0+\ldots + S_n)_{n\geq 0}$ not a Markov chain


Degrees of freedom in covariance calculation

Why shouldn't the denominator of the covariance estimator be n-2 rather than n-1?


how is it possible for a model with maximum AUC to not also have minumum misclassification error?

Why is AUC higher for a classifier that is less accurate than for one that is more accurate?


Cannot access windows 10 C drive on Ubuntu

This location could not be displayed on Ubuntu 16.10


Proving that the induced L1 and L-infinity matrix norms are duals of one another


Include figure on the same page above \chapter


How to implement the method of Lagrange multipliers?


"JQMIGRATE: Migrate is Installed" How do I find the problem code?

Annoying "JQMIGRATE: Migrate is..." in console after update to WordPress 4.5


Why use a static method when you can just use a class/instance method in Python?

Difference between staticmethod and classmethod


What causes "All-in-one USB Card Reader" to create 6 drives that always appear in Disk Management?

How do I delete "Removable Disk" listings?


How to factor this algebraic identity used in Lagrange's theorem for polynomial congruences

Prove $n-m \mid n^r - m^r\,$ [Factor Theorem, monomial case]


ssh: transparent redirect of incoming connections based on host- or username

Is there a name based virtual host SSH reverse proxy?


How big a function argument size before it's more efficient to pass by reference or pointer?

What's the difference between passing by reference vs. passing by value?


confusion of negation output of an int in java

Bitwise negation gives unexpected result


What does it mean for a battery to be 1.5 Volt?


E149: Sorry, no help for XXX (no help in vim)


How to delete all metadata from all JPEG files in folder using ImageMagick?

What tools exist to remove metadata from photos?


Creating a bootable Linux distro compatible with Mac OS X

Create bootable USB drive from Linux ISO


What is the recommended doctrine relationship between these tables?

Doctrine2: Best way to handle many-to-many with extra columns in reference table


align environment: set position of & manually

Align successive equations through the entire document


Can intel haxm work on an amd processor?

Can't activate hardware acceleration using windows 10 family and amd processor


Finding the source code for built-in Python functions?


Why cp and mv behave differently in bash script than command prompt?

Why doesn't my Bash script recognize aliases?


How do I properly instantiate a VBA array and check if it's empty?

How do I determine if an array is initialized in VB6?


GIMP Quality .jpg export - what is the best set up?

What quality to choose when converting to JPG?


How do I create midpoints for a set of polylines in QGIS?


Does Stack Overflow have a draft saving feature?

Allow questions to be saved as drafts prior to posting


What's the /home directory for, or did I just accidentally create it?

Mac OS X - How to Symlink /home to /Users


Run for loop for list with diminishing values

How do you split a list into evenly sized chunks?


Can I install Ubuntu 12.04 LTS on Lenovo Ideapad S510p


Why can't I have a generic class declared like: class C

Why can't a Generic Type Parameter have a lower bound in Java?


What are the different types of codings available for categorical variables (in R) and when would you use them?


How did planets have an elliptical orbit in the first place?


Does block product(=inner product) of the normal subgroups are commutative?

Can a normal subgroup of a finite nonabelian group be nonabelian?


How to make a command block work every 30 seconds?


Half open intervals in a Borel $\sigma$-algebra

Follow-up regarding right-continuous $f:\mathbb{R} \to\mathbb{R}$ is Borel measurable


What's the difference between CPU and MPU?

What is the difference between CPU and Microprocessor?


Where does the energy go when you stretch a rubber band?

Why does holding something up cost energy while no work is being done?


How to properly add the bibliography to my document

Biblatex with Biber: Configuring my editor to avoid undefined citations


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


Solar Terminator (day/night boundary line) generator


How do I make a bootable USB OS X installer on a Mac?


Lookup table for keys that are of the form k = 2^n with array size of n


Can the real part of an entire function be bounded above by a polynomial?

Polynomial bounded real part of an entire function


Why is potential energy defined for only a conservative force?

What causes a force field to be "non-conservative?"


Playback HEVC videos with Plex Media Manager on LG 42LN5708 television

Why is Plex Server transcoding file that can be direct played?


What else could I do to improve my own password hashing


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


Why my contains and replace method doesn't working right? Java

Why isn't the String value changed after String.Replace in Java?


A word to describe dislike caused by not knowing a person

A single word for someone who is quick to hate others


Looking at past events by observing sky?

If you view the Earth from far enough away can you observe its past?


Q: Prove that for any natural number, there exists a multiple that (in decimal form) only uses digits 0 and 1

A natural number multiplied by some integer results in a number with only ones and zeros


The passive voice sentence without verb to be

Why do newspaper headlines use strange syntax rules?


How do I politely tell a student to take a shower?

How to approach a student with bad hygiene?


What is the proper verb to use instead of "being at the same time with" in this specific sentence?

What is it called when at university there are two subjects being held at the same time?


An unhandled exception of type 'System.Data.SqlClient.SqlException' occurred in System.Data.dll

How can I set an SQL Server connection string?


Road tripping the US from UK with 90 day visa waiver more than once a year?

How soon can I re-enter the USA having stayed for 90 days under the Visa Waiver Program?


Primitive element in $L^H:=\{\alpha\in L:\thinspace \sigma\alpha=\alpha\thinspace$ $\forall\sigma\in H\}$

Generator of rational functions unchanged under $\sigma(X) = X + 1$


Book where a group of young magicians/teenagers travel the world to find magic enhancing gems/items to defeat the evil lord

Book series where they collect either stones or gems


How can I merge properties of two JavaScript objects dynamically?


QGIS dissolves all different shapes into one feature instead of multiple features

Merge intersecting polygons into one which are part of the same feature


Shall I accept an answer that answers part of my question?

Adding a way to mark answer as "partially accepted"


Prove the following identity (Fibonacci) using induction


Do any English synonyms have exactly the same meaning?

Do synonyms have exactly the same meanings as each other in all contexts?


How do you check if a JavaScript Object is a DOM Object?


Why is buying a bike as a whole cheaper than buying separate parts and building it?

Building bike from scratch: why more expensive than pre-built?


How can magnetic fields have energy and yet be unable to do work with that energy?

How can magnets be used to pick up pieces of metal when the force from a magnetic field does no work?


call a javascript from php and store the return in a variable

How to call a JavaScript function from PHP?


Null pointer exception at Context used in dialog class

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


How to create a SQL Server function to "join" multiple rows from a subquery into a single delimited field?


Prove that the additive groups $\mathbb{R}$ and $\mathbb{Q}$ are not isomorphic.


Data recovery; I cant access some specific data on my D drive. It says permissions issue

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


How to use \s16o2 as a newcommand in latex and bibtex?

Defining commands/abbreviations that contain numbers


Prevent gedit from creating files with the '~' (tilde) suffix


How do i make prototyped class functions without creating publicly accessible Javascript variables using this

Accessing private member variables from prototype-defined functions


Double-quoting (vs not) variables in [ and [[

Why does parameter expansion with spaces without quotes work inside double brackets "[[" but not inside single brackets "["?


Capturing 'self' strongly in this block is likely to lead to a retain cycle

capturing self strongly in this block is likely to lead to a retain cycle


Are there ANY text strings that will generate the same SHA-512 Hash output?


App works fine when in debug mode but the apk crashes

How to fix 'android.os.NetworkOnMainThreadException'?


Derivation of Lagrange-Charpit Equations

How to take this exterior derivative of the expression $du - \sum_i p_i dx_i$?


json_decode won't work without stripslashes (magic_quotes in WordPress)

With "magic quotes" disabled, why does PHP/WordPress continue to auto-escape my POST data?


How do I calculate numbers like this into a real number?


If I leave my chargers plugged into the wall socket at all times, do they consume energy or present a safety risk?


How do I contact Rockstar customer support?


Setting variables in /etc/environment not having an affect but setting them in command line is

Why does environment variable persistence break the PATH var?


My advisor has literally no idea what my research is about and I am freaking out (phd student)

What if your advisor does not know anything about your research field?


How do you efficiently generate a list of K non-repeating integers between 0 and an upper bound N

Unique (non-repeating) random numbers in O(1)?


Expression must be a pointer to a complete object type using simple pointer arithmetic

Pointer arithmetic for void pointer in C


Taking 40" TV to northern Cyprus as baggage?


How to play a sound effect in java program when needed


Solving $x^{x^x}=c$ with Lambert's W function


determine the catchment area from dem or hillshade

Delineate polygonal catchment areas from a raster using open-source GIS


The probability of a match in a card game


Hollowtech II BB alternative for stripped frame threads


PHP: How to increase a number in variable that contains both text and the number


How to solve the problems in "sudo apt-get update"

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


Sending Email is not working in server side


What package must I load to be able to write \mathbb{Z}?

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


Is the concatenation of all prime numbers, a universe/disjunctive number?

Does the string of prime numbers contain all natural numbers?


Why does the community user have favorites (stars)?

What can cause the Community user to have favorite questions?


In R how to you modify a logistic regression where the cost of selecting one of the classes is much higher than the other.

Bias the classification in logistic regression


convert .Xmodmap to custom.xkb file and load it from $HOME directory - customize x keyboard


How to get value of RadioGroup from different activity

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


I think I found a bug in /etc/grub.d/10_linux


Which is correct: "__ is different from __" or "__ is different than __"?


Need a simple buzzer/LED circuit for espresso machine

Water level indicator with PNP transistor


Why do we define quotient groups for normal subgroups only?


explorer.exe crashes. Need help reading Dumpfile

How to detect the cause of what causes Windows Explorer to crash?


How to compare two fields for filter criteria in view

How to Filter view by comparing 2 fields. If field-a < field-b


How to fix kernel panic with read/write error?

kernel panic not syncing vfs unable to mount root fs on unknown block oo swapper not tainted


Is Force a fundamental concept just like position and time?


setup Intel Graphics 4000 on ubuntu 14.04

Do I Need Linux Drivers For Virtual Box?


About to submit my PhD thesis in 4 months, feeling lost about my future and inadequate for any job. What should I do?

How to effectively deal with Imposter Syndrome and feelings of inadequacy: "I've somehow convinced everyone that I'm actually good at this"


How to enable Broadcom Wireless Driver by Terminal on 16.04 LTS?


NetworkStream.Write() shifts buffer by 1 byte, causing exception "Binary stream '0' does not contain a valid BinaryHeader."

Binary stream '0' does not contain a valid BinaryHeader. Occurs randomly


Use Induction to prove that for all $n \in \mathbb{N}, (x^n + \frac{1}{x^n}) \in \mathbb{Z}$ if $x+\frac{1}{x}\in\mathbb{Z}$.

Prove that $x^n+x^{-n} \in \mathbf{N}$ if $x+\frac1x \in \mathbf{N}$


Cannot generate bibliography:"I found no \citation command"

Biblatex with Biber: Configuring my editor to avoid undefined citations


Problem while saving a pdf file from a browser using Ubuntu 18.04

How do I move child windows without moving or minimizing parent in GNOME 3?


Quit bash background jobs when script is killed

How do I kill background processes / jobs when my shell script exits?


How do you launch the JavaScript debugger in Google Chrome?


Converting a string's words using a list?

Remove all occurrences of words in a string from a python list


Why are arrays in Java restricted to "int" sizes?


if $f(x)$ is summable square function, then...


Formatting of Tables in Latex, using multirow and multicolumn together


$(x_1-a_1, x_2-a_2)$ is a maximal ideal of $K[x_1,x_2]$


Is there any analytics information that moderators can access for individual questions?


Can i remove the default splash screen of someone else project by publishing it using my unity plus?


How to switch UINavigationController on UIButton touch in IOS


Why does StringBuilder access appear to be synchronized?

Difference between StringBuilder and StringBuffer


Is $y=\frac{x^2}{x^3+3}$ has a horizontal asymptote?


Problem with proxy settings while trying to install a package

Problem with IPv6 sudo apt-get update/upgrade


Prove that if G is a graph with $\chi$(G-v-w)=$\chi$(G)-2 for every pair of vertices v and w in G, then G is complete.

Prove that if $\chi(G-u-v)=\chi(G)-2$ for every vertices $u, v$ ($u \ne v$) then G is complete graph.


Inner Class access to Outer Class members


Save output from sql function to csv file (COPY) with dynamic filename


Desktop Link will be broken after restart

Auto mount a disk drive in ubuntu 14.04 LTS (Bookmark directory not found)


Can I load ActiveRecord-Objects in predetermined ordering?

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


Properties of the multiplication table of $\mathbb{Z}_m$

Find all $n$ with $\!\bmod n\!:\, a\,$ invertible $\Rightarrow a^{-1} \equiv a,\,$ i.e. $a^2\equiv 1$


dice toss game skipping over an if statement and not printing anything out


When are sidecar AAE files created in a Mac?

Where are the sidecar files AAE located in Finder?


How does a cilinder that rolls without slipping lose energy?

Consider a horizontal surface with or without friction. Ideally, will a wheel rolling without slipping roll forever in both cases?


Let G be a simple group and let ${n_p}$ be the number of Sylow p-subgroups, where p is prime. Show |G| divides $({n_p})!$.


How to prove $f(x_1,\ldots,x_n) = \sum x_i\ln x_i - (\sum x_i )\ln(\sum x_i)$ is convex on R++

convexity proof of a function including ln and sums


Fantasy (audio)book about boy being recruited

Sci-fi book about a male entering a competition that he wins and gets recruited by millitary


How to find SQL Server database is in use or not?

How to identify unused databases on my sql server


Facebook Like Custom Font Color and Image

how to change color of facebook like button


post selection and instantaneous communication

EPR-type experiments and faster-than-light communication using interference effects as signaling mechanism


How to run java application by .bat file


What is the difference: "would" vs "will"


Warning: Cannot modify header information - headers already sent by... - cannot update database

How to fix "Headers already sent" error in PHP


Can you end Heat Metal's disadvantage by dropping an affected weapon on your turn?

How does the secondary effect of the Heat Metal spell work?


DES: Initial permutation position decreases by 8 - what is the significance?

What are the benefits of the two permutation tables in DES?


Show that $f(z) = cg(z)$ is valid for two analytic functions $f$ and $g$ given a certain relationship between them


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


What device can I use to duplicate a MIFARE ISO 14443A (13.54 MHz) card?


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


How does SE creates and maintains the source code of another site of its network

What is Stack Overflow's deployment process?


HTTP Status 404 description The requested resource () is not available. Apache Tomcat/7.0.27

JSP in /WEB-INF returns "HTTP Status 404 The requested resource is not available"


How can I run command to install software without sudo?

How can I install a package without root access?


How to fix file_get_contents() warning: Failed to open stream?

Why I'm getting 500 error when using file_get_contents(), but works in a browser?


Minecraft command unfindable unbalanced brackets


Are matrices and second rank tensors the same thing?


How long does the Truffle take to move in after building the mushroom biome?


What practical options does Ubuntu have to make daily personal backups?


Data Recovery From An Encrypted External Drive I Formatted?

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


How could a human doctor save a poisoned Kosh, given that Vorlon biology is totally different from human?

How would anybody know how to poison a Vorlon?


Why am I getting Uncaught TypeError: Cannot read property 'length' of undefined if the var is declared?

What is the scope of variables in JavaScript?


How to know $(\mathbb Z /n\mathbb Z)^*$ is cyclic?


.fbx export why there are no materials or textures?


Chance of the first digit of $2^{n}$ being $1$?

Probability that the first digit of $2^{n}$ is 1


apt update cannot connect to archive.ubuntu.com even after forcing IPv4, clearing DNS cache, changing mirror

apt-get cannot connect to Ubuntu archives


Monitoring CPU, Mem, disk, on a single server

What am I looking for in a Monitoring Solution?


Application starts without text [all text is in blocks]

Font characters displayed as squares in Ubuntu 18.04


NSPredicate - How to check if every parent has visible == true

Help with CoreData making a NSPredicate - Recursive Searching


Can multiple attacks per action be used for casting cantrips after multiclassing?

Can I use one of my attacks to cast a cantrip?


How to calculate how much Ip Addresses have between two Ip Addresses?


Can you change your email for Pokemon Go?


Prove if d | a, then d | ca for any integer c. Correction

$a\mid b,\ c\mid d\,\Rightarrow\ ac\mid bd $ $\ \, \bf\small [Divisibility\ Product\ Rule]$


How to tune MCMC with unwieldy posterior

Converting (normalizing) very small likelihood values to probability


How do I get all the roots within a certain range for an equation?

Find all roots in the interval of nonlinear equation


how to prove this inequlity $\ln(\frac{p}{q}) \le \frac{p-q}{\sqrt{pq}} (0 < q \le p)$ by means of integral inequalities

Prove $\ln\frac{p}{q}\leq \frac{p-q}{\sqrt{pq}}$ for $0<q\leq p$


SPF Record Fails - How to verify Server IP Address and managing multiple SPF records

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


How can I log terminal output to a file but leave the terminal window active to allow answering of prompts?

How can I capture text from a specific terminal and redirect it to a log file while simultaneously working?


Show that the subspaces of R2 are precisely {0}, R2, and all lines in R2 through the origin.

How to Show that the Only Subspaces of $R^2$ are the zero subspace, $R^2$ itself, and the lines through the origin


Resolution of maps displayed using GeoGraphics

How to increase the image resolution of a map?


Grouping results in ui-bootstrap typeahead

AngularUI-Bootstrap Typeahead: Grouping results


Why Electric field inside the spherical shell is zero?


Export data from SqlQuery to Excel sheet

SQL Server Management Studio 2012 - Export/Import data from/to table


The Quotation Mark character in TeXworks editor has vanished


Javascript code that will display full url of a page


Is the axiom of choice really all that important?

Advantage of accepting the axiom of choice


How to check a variable value is in an array?

How can I check if an array contains a specific value in php?


How to plot a vertical line with fixed range?


Saturday-night stay for multi-city itineraries

What signal does being prepared to stay overnight on a Saturday give to the airlines?


C++ linkeditor can't find function declaration (undefined reference)

Why can templates only be implemented in the header file?


Why does the sum of the reciprocals of factorials converge to $e$?


PCS and GCS aligned but XY coordinate values not. ArcMap .dwg to .shp conversion

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


Where to ask question about software for recording the screen on Windows 10

Where can I ask a question about finding general software that meets certain requirements?


Light clock with mirrors on a moving train


gdb "Junk at end of arguments." when trying "catch throw std::bad_aloc"

How to break when a specific exception type is thrown in GDB?


Can I disable Safari's pinch-to-zoom tab switcher?

Can I disable pinch to show all open tabs in Safari?


Mathematica Semilog (LogLinearPlot) using x,y points from table

How to change the base of logarithmic-scale plots?


In Matlab, how to quickly select single element of matrix produced by a function?

How can I index a MATLAB array returned by a function without first assigning it to a local variable?


Does a US national need a visa to teach a paid training course in the UK?

What are the visa rules for US speakers, at UK conferences, who may be getting paid?


a function PHP to prevent SQL injection and xss


redirect the sql query will add all the files in that directory

Capturing multiple line output into a Bash variable


Does $A^2$ similar to $B^2$ imply that $A$ is similar to $B$?

If $A^2$ and $B^2$ are similar matrices, do $A$ and $B$ have to be similar?


Overflow auto doesn't work in android browser


how to execute a command after resume from suspend?


How to decide whether a number in a dictionary is a str or float?

How to determine a Python variable's type?


Armadillo Cloak contains a triggered event that in combat resolution resolves?

Will I die if I lose enough life to kill me from an effect that also heals me?


Illustrator: View -> Actual Size smaller than life size

Illustrator image viewed at 100% is "tiny"


How are C# const members allocated in memory?


Is it necessary to standardise data sets before performing PCA?

Which variables should I transform, center, and/or standardize in my data for Principal Component Analysis?


Can Muggles give birth to a magic sensitive child similar to a Squib?


A story about a man whose wife recently passed, living into a least plausible reality

Story about a multiverse theory of immortality


How to use Latex to print a document to look like a lined notebook?


Can I think of the level of a hypothesis test as being the probability the null hypothesis is true?

Interpretation of p-value in hypothesis testing


How to decide which answer to pick if most of them contain useful information just to different aspects of the question?

Which answer do I accept if I have multiple correct answers?


How to find the IP connected with teamviewer?

Get IP Address from TeamViewer without connecting


How to prove $x^2 + y^2 + z^2\geq xy + xz + yz$

Proof of inequality using AM-GM inequality


How is the charge concentrated at the centre of shell for calculating potential from it?

Two bodies of finite size treated as two point masses in Newtonian gravity


How to delete rows from a pandas DataFrame based on a conditional expression

Deleting DataFrame row in Pandas based on column value


Use Code to write code inside of UITextView

Is it possible to include a quotation mark as part of an nsstring?


Why are identical objects from snapshot.before and snapshot.after, not equal?

How to determine equality for two JavaScript objects?


How do I auto complete a command from the command history?

Command-line completion from command history


Catching all inline css and its html tag

Generating a stylesheet based on inline HTML styling?


GLM: verifying a choice of distribution and link function


What does this trace look like? All the points on a circle obtained from a fixed point by rotations of this circle.

For $x\in\mathbb R\setminus\mathbb Q$, the set $\{nx-\lfloor nx\rfloor: n\in \mathbb{N}\}$ is dense on $[0,1)$


How to use ScheduleTask in a dynamic module?

ScheduledTask with scoped variables. Working with timed evaluation


60's or earlier probably "young adult" story about a community sent into the future by a nuclear accident

Book about a town that is transported by an explosion into a freezing desert


What is a repository? How does it differ from a PPA?

What's the difference between a PPA and a repository?


Python allows me to compile bytecode that contains an undefined variable, while Java does not. Is python putting me at risk?

Dynamic type languages versus static type languages


Find which web sites have a link to a specific web site?

Find web page(s) that links to a specific page in Google Search


Load image from resources area of project in C#


How to Specialize member function of a templatized class?

Why can templates only be implemented in the header file?


I need help with creating a Shulker Box with enchanted items?

Where do I put item tags on items inside a chest or your inventory?


Using "which" instead of "that", one out of two : could a reader see this?

Is there any difference between “which” and “that”?


Why can questions and answers be up/down voted On Stack Exchange, but comments only up voted?


Calculating standard deviation associated with percentage change

Standard deviation of a ratio (percentage change)


What hardware does Ubuntu Touch support?


How do I install courier-authdaemon on Ubuntu 18.04?

How do I enable the "Universe" repository?


determine shell in script during runtime


How to prove that $\mathbb{C}_p$ is not locally compact?

Is $O_{C_p}$ and ${O_{C_p}}^\times$ a profinite group or compact?


Place marker on map - GeoTools 25-SNAPSHOT - Java 11


Reduce mesh size of data set for Surface pgfplot

matlab2tikz for surf plots: reducing data?


Setting environment variables in cmd has no effect

Setting or modifying a (system wide) environment variable in cmd.exe


Why was Voldemort unable to make the Sword of Gryffindor a Horcrux?

Why didn't Voldemort create a Horcrux with a Gryffindor heirloom?


Probability of factoring keys as a function of bit length


How do you join on the same table, twice, in mysql?


Cross Browser Flash Detection in Javascript


How to overload array index operator for wrapper class of 2D array?


How do I combine standard deviations of two groups?


Mathematica not giving exact answer for Solve


show this inequality $\sum_\mathrm{cyc}\sqrt{1-ab}\ge 2\sqrt{2}$

prove this inequality with $\sum\limits_\text{cyc}\sqrt{1-xy}\ge 2$


Dealing with bundle/omnibus/list-of-questions question that consists of rather distinct questions

Single question thread with multiple questions, some duplicates


Prove there is no bijective continuous function $f:[0,1] \to [0,1]^2$

Is there a continuous bijection between an interval $[0,1]$ and a square: $[0,1] \times [0,1]$?


Does Hawking radiation never happen because a black hole takes an infinite time to form?

Can black holes form in a finite amount of time?


Moving to a certain position in a ListView upon creation. (Android)


How to get rid of small indent after a defined "aligned equation" environment

Spacing issue for newenvironment wrapper of equation environment


Why hasn't Stack Overflow formed a "relationship" with jsFiddle yet?


Adding buffer when writing byte[] to OutputStream

Easy way to write contents of a Java InputStream to an OutputStream


Is it possible to store a function in PHP object's properties?

Calling closure assigned to object property directly


Creating ADO.NET mapping for custom type


Is there an accepted Java equivalent to Python's zip()?

How to most elegantly iterate through parallel collections?


$\left\lfloor(\sqrt[3]{28}-3)^{-n}\right\rfloor$ is not divisible by 6


Windows 7 is taking too long to boot and to open profile


How to use the Extended Euclidean Algorithm manually?


How can I increase my test class code coverage above than 75 % for vf controller apex class?

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


Are all continuous one one functions differentiable?


Is it possible to use multiple desktop environments on same system?


What's the difference between defining a value and using get/set for class constructors?

What is the difference between a field and a property?


Canadian Citizen, but can I leave Canada with a foreign passport?

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


Aggregation, Association and Composition

C# code for association, aggregation, composition


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


How to avoid upgrade the package(s) in upgrading?

How to prevent updating of a specific package?


Replace Mint with Ubuntu in dual booting system


Show $\operatorname{Var}(X)=E(\operatorname{Var}(X\vert \mathcal{F}))+\operatorname{Var}(E(X\vert \mathcal{F}))$

Computing the expectation of conditional variance in 2 ways


Pause a process based on screen blank status?

Run a command when system is idle and when is active again


How to tex a bmatrix of column vectors with dash lines in the simplest way?


Errors when using the Corridor Designer tool from Arctoolbox

Failed to execute (RastertoPolygon) Syntax error at or near symbol SPACE


NullPointerException happens for some list items

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


A story about an expedition to a nearby star, on arrival finding out humans are already there


differentiating between the usages of "seem"


not implies, not Leftarrow, description in the middle of an arrow in TikZ-cd


Are there different species of modern day humans?

Like other animals, why humans don't have species & breeds?


Why are we allowed to ask only one question per 40 minutes?

Implement cross-site posting rate limits to slow down spammers


what is the difference between [[False] * 3] * 3 and [[False for i in range(3)] for j in range(3)]?

List of lists changes reflected across sublists unexpectedly


Error: Main method not found in class Calculate, please define the main method as: public static void main(String[] args)

"Main method not found" error when starting program?


Careers ad shows caged toddler without access to food or water, in reach of open shoes


Is 1 hour layover enough from Frankfurt-Albania?

Lufthansa transit at Frankfurt on the way from Chennai to Atlanta, are two hours enough?


Ambiguity in Negation: "John did not come because of the rain"


Open user profile from meta sites shows wrong title

Android app chokes on per-site meta profiles


LHS of always block in verilog need to be reg, but index of array in LHS of always block cannot be a reg, is it true?

Read and write values in Multidimensional arrays in verilog


What is the most efficient thread-safe C++ logger?


How do I override default PrimeFaces CSS with custom styles?


Please, what are the ubuntu 16.04 LTS screensaver installation commands?

How can I change or install screensavers?


Incremental Sieve of Eratosthenes using unstable generators

Incremental Sieve of Eratosthenes using iterators


20.04 Sony WH-1000XM4 does not output to headset

Ubuntu 20.04 no sound out of Bluetooth headphones


Is there a way to identify the busy (CPU-consuming) tab in Firefox?

How to find out which Firefox tab is using most CPU or memory?


Find the difference between two JavaScript objects

How to determine equality for two JavaScript objects?


Why are beta distributions commonly chosen for priors?

Choosing between uninformative beta priors


Narrow results by typing case sensitivity issue

Is there a case insensitive jQuery :contains selector?


What's the exactly the definition of the class in mathematics?


How to get cpuinfo to show Turbo frequency?


How do I add an identity property to a column?

Create missing auto increment attribute with rails migration


Installing Ubuntu server after Ubuntu desktop

What's the easiest way to set up a LAMP stack?


How does JavaScript determine when to give a function call a "this" context?

Cases where 'this' is the global Object in Javascript


Joining two tables and getting the most recent records for a given name

Fetch the row which has the Max value for a column


How to disable the "New" button on a related list in a VF page

Is it possible to remove/hide the "New" button?


Prove $\sin(1)\sin(2)\sin(3)\cdots\sin(n)$ converges as $n\to\infty$

The infinite product of the sines of all positive integers is zero


How do we measure Time period of a SHM without mathematically calculating ? Consecutive passage through mean position or extreme postion?

Better method to measure the time period of a pendulum


How to prove that $ \int_{2}^{x} \frac{dt}{(\log(t))^{k}} = O \Big{(} \frac{x}{(\log(x))^{k}} \Big{)} $ as $x \to \infty$?

Bounding the integral $\int_{2}^{x} \frac{\mathrm dt}{\log^{n}{t}}$


Add an Image Upload button to the Mobile Site


help with a calculus Integration Problem

For a continuous function $f$ show $\exists c\in (0,1)$ s.t $f(c)=3c^2$


Android - How to retrieve currency exchange rates

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


Adding a new key value pair in the JSON array

not able to add the key value pair properly in JSON object


Is there a way to have Firefox's spellcheck check the spelling in all text input fields?

How do I enable Firefox check spelling on single line text-boxes forever?


I left my dslr turned on for several days. Was it harmed?


How to get the parameter values from previous method call in C#?

How can I get the values of the parameters of a calling method?


What causes atoms to have their specific colors?


Configuration of PHP Mailer and hints to avoid Spam Filters

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


How to access the Index Of A Generic.List By Reflection?


Can anyone explain me example from Joshua Bloch item 41?

Properly removing an Integer from a List


How to format numbers as currency strings


Detecting the onload event of a window opened with window.open


Accidentally tried to activate a key for a game I already had. Now what?

What happens if I activate a product key on Steam for a game I already own?


What's the physical meaning of the imaginary component of impedance?


Objective-C : componentsSeparatedByString:@"" doesn't work as I am expecting it


LAStools in QGIS error at activation: "wrong value for parameter 'OTB applications folder'..."


Do gravitational lenses work on gravitational waves?


Show error in new HTML element without page refresh


Remapping keys: Caps Lock to Escape and vice versa in Ubuntu 13.10

How to permanently switch Caps Lock and Esc


Installing an older version of an emacs package

Is it possible to downgrade packages installed with ELPA?


How to prove that if $\sum_{n=0}^{\infty}a_n$ absolutely convergent $\Rightarrow \sum_{n=0}^{\infty}(a_n)^2$ convergent

Prove that if $\sum{a_n}$ converges absolutely, then $\sum{a_n^2}$ converges absolutely


How to search for questions without a specific tag?

How do I search for questions with (or without) specific tags?


How to pass a single quote ( ' ) from user input to a stored procedure, avoiding SQL injection

How do I escape a single quote in SQL Server?


Question regarding edit vs. suggested edit

Can I submit an edit for approval after earning 2k reputation?


Python 3 matplotlib does not display plot

What's the easiest way to run GUI apps on Windows Subsystem for Linux as of 2018?


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


YA fantasy about boy expelled from magic school

Fantasy book where a young prince becomes a mage


Tips to extend battery life for laptops and notebooks


Is my proof of $\sqrt{2} + \sqrt{3} + \sqrt{5}$ is an irrational number valid?

Prove that $\sqrt{2}+\sqrt{3}+\sqrt{5}$ is irrational. Generalise this.


$R^n \cong R^m$ if and only if $n=m$ without assuming the result for vector spaces

$A^m\hookrightarrow A^n$ implies $m\leq n$ for a ring $A\neq 0$


ImportError while importing module from another folder


Clone bay damaged crew dead but backed up with DNA backup can you continue game?

Game Over if all crew dead but have cloning bay?


How does the scoring in Plague inc work?


How to fix UITableView separator on iOS 7?

Is there a way to make UITableView cells in iOS 7 not have a line break in the separator?


I have multiple Stack Overflow IDs associated with my Stack Exchange Open ID. How do I clean it up?

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


What will happen if the output from a NOT-gate injected- BACK to its OWN input?


Defining a method to take a callback block

Implementing a method taking a block to use as callback


How to save control property from designer auto-filling?

How do I get the WinForm Designer to totally ignore a property on a custom control?


Unable to load jQuery in Salesforce Lightning Application after Salesforce Locker Service enable in Summer '16 Release

Unable to load jQuery in Salesforce Lightning Application after Summer '16 Release


Deciding whether $2^{\sqrt2}$ is irrational/transcendental


I have string s="if(a<b) c else d", Please help me solve it?


Investigate whether there exists a function $f : [a,b]\rightarrow R$ that is continuous and that takes exactly twice each of its values.

A function takes every function value twice - proof it is not continuous


Print resolution when Photoshop shows pixels per inch not dpi

What is the difference between DPI (dots per inch) and PPI (pixels per inch)?


SearchableByName Interface keeps returning null


Choosing the right data from a table using SQL

How to concatenate text from multiple rows into a single text string in SQL server?


Add rectangle color box inside align and explain using an arrow


Is the glass held by the old female patient invisible on purpose?


What is the term for the double consecutive use of a word with stress on one of the words to alter its severity?


Can I include a button with an OnClickListener in a static Fragment?

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


Using the rejection sampling with the method of inversion


How to make two separate columns the same length?


multiplying and combining all elements in a list by all others but without duplication/repetition

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


NullPointerException when a Firebase Authentication activity is setting a setOnClickListener


Expected Number of Coin Tosses to Get Five Consecutive Heads


How to create a clean, straight drop shadow?


Is there a term for this kind of video game background?

What is the name of the pseudo-3D view in 2D games like Cadillacs and Dinosaurs?


How to Upgrade to 15.04 without upgrading to 14.10?

Can I skip over releases when upgrading?


Find the Resistance between Two Terminals


Is there more than one invisibility cloak?

Is there more than one invisibility cloak in the HP world?


ImportError: No module named application


Issues with executable: file not found after using chmod to fix permissions

No such file or directory? But the file exists!


Change style for extensions that already have a style in Notepad++

Assigning custom extensions to a language's syntax highlighting in Notepad++


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


sometimes I don't want to be forced to interact with the topmost window. How can I get around it, without closing it?

Preventing applications from stealing focus


What is a good book to study linear algebra?


Undefined reference to function name, C++

Why can templates only be implemented in the header file?


Dynamic content is not working with javascript

jQuery doesn't work after content is loaded via AJAX


To show that the integral $\int_{-\infty}^{\infty}\frac{(p'(x))^2}{(p(x))^2+(p'(x))^2}dx$ converges and is less or equal than $n^{3/2}\pi$


WordInfo Class implementation error LNK2019: unresolved external symbol


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


Find all tables containing column with specified name - MS SQL Server


I see a weird language in Windows's Notepad when I open a image in with it

Why don't you see binary code when you open a binary file with text editor?


Divisibility tests and remainder mod $9,11,99,101,999,1001\,$ (casting out nines and elevens)


Is there a list of reputable open-access-only publishers?

How to identify predatory publishers/journals


What is light, a wave or a particle or A wave-particle?

What do we see while watching light? Waves or particles?


Pattern matching multiple symbols names and powers


Issue with sortable() and how to limit number of sortable items using JQuery

Limit Max Elements in Drag and Drop panel


floatrow.sty error; line 485; No room for a new \dimen . ...finable\flrow@foot{\newinsert\flrow@foot}

Problem with "floatrow" package in yathesis


After getting a PhD at a low-ranked university, would it be harder to get a job at a high-ranked university?

University rank/stature - How much does it affect one's career post-Ph.D?


Show that mapping cones are homotopy equivalent.

Homotopic maps have homotopy equivalent mapping cones


Compile Boost libraries with MSVC-11 targeting a 64bit architecture


Childhood savings account closed years ago due to parents negligence. Can I reclaim it?

How to recover money from old closed/dormant bank accounts in the U.S.?


batch file to replace the input with * without external file

batch file to mask input with * without an external file


$\lim\limits_{n \to{+}\infty}{\sqrt[n]{n!}}$ is infinite


Are these studies about red algae reducing cold virus by 92% believable?

Is this study stating red algae reduces cold virus by 92% believable?


Why is in-class initialization of static const members in C++ restricted to integral data types?

Why can't I have a non-integral static const member in a class?


How to evaluate $\int_0^1 \frac{\log x}{x-1}dx$

Computing integration $\int_0^1\frac{\ln x}{1-x}d x$


How to extend the rows of a matrix in MATLAB filling the added rows with the first row's values efficiently

Building a matrix by merging the same row vector multiple times


empheq equation flows out of column bounds

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


Is there any limits to what a DM can do?


Get Permanent Authorization Code for Salesforce API

How to provide access to Salesforce REST API to external application without providing them Integration user credentials?


What is most accurate Spatial reference system for calculate Area entire world

Coordinate system for accurately calculating areas of polygons that cross UTM Zones?


Cycles Gradient Texture node: Why "Linear" is not linear on a "default" plane?


How does this character return this stone in its original form?


How am I supposed to ask questions if I don't have enough reputation to comment?

Best way to obtain clarifying information when reputation doesn't allow comments?


What will happen when the Code Names of the Ubuntu releases get to Z


Horizontally align \vdots with equal signs in aligned environment

Centering \vdots in a system of many equations


C++:Can`t access protected members with auto_ptr

What is the difference between private and protected members of C++ classes?


My audio and video drivers are not working, planning on factory reset, is this the appropriate solution?

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


Install Oracle Java 11 and setting up JAVA_HOME

Why Oracle discontinued Oracle Java (JDK) Installer PPA?


Does regenerate or any other spell halt the dying process of a flail snail who has lost all it's tentacles?

How can I recover a missing body part without using wish?


How do I restore files to previous states in git?

How can I reset or revert a file to a specific revision?


In which cases is a comma/period placed inside or outside of parentheses?


How to properly Drape vectors over a DEM?


Test for the convergence of the sequence $S_n =\frac1n \left(1 + \frac{1}{2} + \frac{1}{3} + \cdots+ \frac{1}{n}\right)$


Problem with adding references to my thesis

Using BibTeX/biblatex to make a list of references without having citations in the body of the document?


The Duchess of Cambridge has been delivered of a son

Why use "of" in the phrase "delivered of a baby"?


How can I remove all transient objects from multiple photos, leaving only the background?

How do I blend multiple photos to remove random people from the background?


Php mailer goest to spam-box only with outlook(hotmail)

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


How do I include a JavaScript file in another JavaScript file?


Detect if Windows operating system in C++

How do I check OS with a preprocessor directive?


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


If in a commutative ring $R$ a maximal ideal is nilpotent, then $R$ is local

In a (not necessarily commutative) ring, a nilpotent maximal ideal is unique.


How do you remove Mirror and SubSurface seams?

Subsurf and mirror modifier creating a split in mesh


How to connect with 2 BLE Devices? Android 6

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


Why is Linux reporting "free" memory strangely?


Cut one side of a rectangle node in TikZ


Which worth it to use first? Load balance or HTTP cache server?

Can you help me with my capacity planning?


Proof that the multiplicative groups $\mathbb{R} - \{0\}$ and $\mathbb{C} - \{0\}$ are not isomorphic.

Prove that the multiplicative groups $\mathbb{R} - \{0\}$ and $\mathbb{C} - \{0\}$ are not isomorphic.


After deleting kali linux partition, macOS partition startup Volume type FFFFFFFF-FFFF-FFFF-FFFF-FFFFFFFFFFFF

Tried to fix filesystem type: FFFFFFFF-FFFF-FFFF-FFFF-FFFFFFFFFFFF and probably made it worse


Eclipse Unhandled event loop exception No more handles in windows 7

Eclipse Bug: Unhandled event loop exception No more handles


is it ok to use div inside tbody if not how to slidetoggle tbody


Why is it necessary to call rewind_posts() when using the loop more than once?

rewind_posts() - what actually the use of it, and where using is required or preferred?


Why do two blurry shadows, when brought close to each other, appear to "bulge" and merge?

Why do shadows from the sun join each other when near enough?


I buy and sell used bikes some have been repainted how can I find manufacturer if there are no identifying marks

Why shouldn't I care what model/make/year my bicycle is?


how to find the installing path of some install application?

Where can I find the location of folders for installed programs?


EF Lambda: The Include path expression must refer to a navigation property


Segmentation Fault with Direct Memory Access

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


Show that $\sqrt[i]{i}$ is a real number

How to raise a complex number to the power of another complex number?


InnoDB AUTO_INCREMENT resetting itself without MySQL restart

MySql autoincrement counter resetting after server restart


How do I dual boot Ubuntu alongside Windows 10 on a Lenovo Yoga?

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


how to run correct version of python in osx


VWP/B1 as foreign employee of a US company for meetings and getting to know the team

Visiting US company headquarter on visa waiver program (ESTA) or B-1