Finding the sum of the infinite series whose general term is not easy to visualize: $\frac16+\frac5{6\cdot12}+\frac{5\cdot8}{6\cdot12\cdot18}+\cdots$


NullPointerException when testing resource in dropwizard with mockito

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


How to remove all items containing a string in Windows registry?

How to find and delete multiple Windows registry entries?


How to second-order timeseries data in deep learning?

Why does a time series have to be stationary?


"Error: Main method not found in class MyClass, please define the main method as..."


How do you plot a catenary curve with two known points and a known length?

Finding the catenary curve with given arclength through two given points


Retain original form of formatted equation


I need help with getting npcs to move in in terraria


Sudo command does not respond in terminal on Ubuntu 16.04

When I run a sudo command it says unable to resolve host


How do I fix typos and errors in formulas? Stack Exchange seems to have a 6 character minimum edit limit

Legitimate edits of less than 6 characters


Non-applicable Arguments, expected (String, Map); actual (String, Map>)

Is List a subclass of List? Why are Java generics not implicitly polymorphic?


Is it possible for a device to request to be assigned a specific ip from the DHCP server (static or dynamic)

How do I permanently assign an IP address with DHCP?


What can I use to capture a screenshot of an entire web page?


How to change annotation value at runtime using reflection?

Modify a class definition's annotation string parameter at runtime


How do I emit light from inside a object?


Is $\mathbb Q(\sqrt 2) \times \mathbb Q(\sqrt 3)=\mathbb Q(\sqrt 2,\sqrt 3)$ if I prove $\sqrt 2,\sqrt 3$ are L.I. over $\mathbb Q$?

Is $\mathbf{Q}(\sqrt{2},\sqrt{3}) = \mathbf{Q}(\sqrt{6})$?


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


Is there a way to obtain the output of a linux command(like ifconfig) on a .txt file using a C program?

How can I run an external program from C and parse its output?


Is type erasure a feature of the java language or the JVM?

Java generics type erasure: when and what happens?


Text automatically goes to the top of a table even if text position immediately after the table

How to influence the position of float environments like figure and table in LaTeX?


If string contains one of several substrings Python

How to test multiple variables against a single value?


How to get computer requirements for current scene?


How to detect left click anywhere on the document using jQuery?


Filipino citizens with Norwegian resident permits transiting at London Heathrow - Do We need a Transit Visa?

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


What does an asterisk do in a CSS property name?

Purpose of asterisk before a CSS property


First Post suggests an answer from a "new user" who is 3+ years old with 1800 rep


How to get all the 2 by 2 combinations from a list?

How to generate all permutations of a list?


How To encrypt string message with a PGP public key and Decrypt using private key in C#?


How to fix sonar voilations automatically through scripts

Automate fixes for issues found by Sonar


Bash, export, "-n" for simple command concatenation drops the '-n'


How easy is it to keep two LVM partitions in sync


How do I resolve unmet dependencies after adding a PPA?


Highlight text similar to grep, but don't filter out text

Colorized grep -- viewing the entire file with highlighted matches


Google Sheets Regex to find left most alternation match

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


Who buys these significantly out-of-money options?

Why would someone buy a way out-of-the-money call option that's expiring soon?


Caused by: java.lang.ClassNotFoundException: org.apache.commons.io.FileUtils

Why am I getting a NoClassDefFoundError in Java?


MediaPlayer.start() on a null object reference

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


Formal definition of closed-form function.

What does closed form solution usually mean?


Normalized vector of Gaussian variables is uniformly distributed on the sphere

Uniform distribution on the surface of unit sphere


Let $(X,d)$ be a metric space and fix some $y \in X.$ Show that the function $f: X \to \Bbb R $ defined by $f(x) = d(x,y)$ is Lipschitz continuous.


show that an entire function with the nth derivative zero is polynomial of degree at most n-1

Does $f^{(n)} = 0$ imply that complex $f$ is a polynomial?


Have been or was. Which one to use here?

What is difference between: "I have been married with (was married with, married) her for three years."


Trouble with running cd with sudo as another user


Read codes from a file (txt, properties etc.)

How do I invoke a Java method when given the method name as a string?


Can I return an object by value, and not reference, in JavaScript?

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


How did it all started VS how did it all start?


How do I export a model with multiple objects to a friends computer (over the internet) to import into UE4?

How do I export blender file to UE4 with textures?


Use of `?` in a JavaScript timer function return


Ubuntu freezes when restarting after installing

ubuntu 18.04 how do I install drivers for my NVIDIA GeForce GTX 1050?


How to read the data in CSV file and create object accordingly by using python console in blender

How to read a csv file and use the values as x and y points in blender?


Transparent elements are different than viewport when saved as .png

How do I get the Glare node to output transparent instead of Black background


why expression with 'undefined' does not return boolean

Javascript AND operator within assignment


Why is "A only if B" equivalent to "(not A) or B"?

In classical logic, why is $(p\Rightarrow q)$ True if $p$ is False and $q$ is True?


Is $\sum_{n=2}^{\infty} (-1)^n \log (\frac{n+1}{n})$ convergent?

$\sum (-1)^{n+1}\log\left(1+\frac{1}{n}\right)$ convergent but not absolutely convergent


Is there a cryptography algorithm that will remain safe if P=NP?


Why is string "11" less than string "3"?

Why is one string greater than the other when comparing strings in JavaScript?


Biggest differences of Thrift vs Protocol Buffers?


64 bit ubuntu studio version for intel pc

Difference between the i386 download and the amd64?


Is there an "exponentiation for exponentiation?"


How to disable beep sound in Linux CentOS 7 command line?

How to disable system beep for non-privileged user


MySql - Changing column name without downtime

Change column name without recreating the MySQL table


What is the mistake I'm making with simplifying powers?


What happens if one flags an inappropriate answer that is later edited to something acceptable?


Can I restore a game from Mac to PC using steam backup/restore or by copying?

Can I copy Steam game files from a Mac onto a PC?


Why does this java string comparison prints false?


how to override the existing function in jquery


Redirect To www from non www site for subfolder using .htaccess


How to see one line returned value in debug mode?

Can I find out the return value before returning while debugging in Visual Studio?


Optimizing bitset performance for counting number of set bits for a range of values

How to count the number of set bits in a 32-bit integer?


Prove that $243^{2020} \equiv 1 \pmod 5$

Mod of numbers with large exponents [modular order reduction]


Prove that the following limit exists $\lim_{n\to\infty}\left(\int\limits_{0}^{1}\vert f(x)\vert^{n}dx\right)^{\frac{1}{n}}$

If $f(x)$ is continuous on $[a,b]$ and $M=\max \; |f(x)|$, is $M=\lim \limits_{n\to\infty} \left(\int_a^b|f(x)|^n\,\mathrm dx\right)^{1/n}$?


In what way am I more likely to be DDoS'd? Via http or other ports?


Proof - Intersection S exists question from Jech's Set Theory


Solid viewport shading in edit mode is transparent in places?


Problem running a Python program, error: Name 's' is not defined


In the standard deviation formula, why do you divide by n before taking the square root?

Why is the standard deviation defined as sqrt of the variance and not as the sqrt of sum of squares over N?


When forcing intercept of 0 in linear regression is acceptable/advisable

When is it ok to remove the intercept in a linear regression model?


Bake to keyframes messes up cell fracture

Baking multiple objects to keyframes resets their orientation by their origins


android.view.View android.view.View.findViewById(int)' on a null object reference

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


Dynamically added HTML content event is not fired

Event binding on dynamically created elements?


How to find local minima of data using PeakDetect


Do I have to incur finance charges on my credit card to help my credit rating?

Do I have to pay interest to increase my credit score?


How to enlarge Ubuntu system partition to the left?


predicting the color of the next card drawn


Opportunity Stage cannot be changed backwards :-

Excluding System admin from this validation rule


How to write to terminal device stdin of running process from a different terminal without any prior preparation?


Why do we always see the same side of the Moon?

Why does the Moon face Earth with the same side?


Is this charger compatible with my laptop?

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


Checking understanding of summations of divergent series


how to NOT cut off the last char with substr?


Multilabel classification versus yes/no classification for each class (with label priority)?

Training N classifiers for N labels vs one classifier with N labels


I would really appreciate some help solving this induction problem!!

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


Find all the classes inside a package in Java without reflection

Can you find all classes in a package using reflection?


Is it safe to invest in cryptocurrencies such as bitcoin?

Why are cryptocurrencies not considered proper investments?


MAC address when visiting a website: does the web see that?

Is your MAC address revealed when you hit up a website?


Authoritative website listing the COVID19 banned countries for entry into the US

What are the current travel restrictions on individuals entering the United States from regions affected by Covid-19?


Question about plotting one function with different colors

How do you plot the same function with different options over different intervals?


Why don't electrons and protons collide inside Atom?

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


Only a few programs will launch without rebooting first

How can I diagnose/debug "maximum number of clients reached" X errors?


How do I reset a lost administrative password?


Present Perfect usage instead of Past simple

Present perfect for past action with present effect


Getting Null pointer Exception when loading a property file which is in computer

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


What's the difference between ".equals" and "=="?

What is the difference between == and equals() in Java?


Why do graph degree sequences always have at least one number repeated?

If $n$ is a natural number $\ge 2$ how do I prove that any graph with $n$ vertices has at least two vertices of the same degree?


Apply sudo on whole command line (stdout redirection)

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


Calling PHP functions within HEREDOC strings


Accidentally removed default gnome panel applications


Find whether $\sum_{n=2}^\infty\frac{1}{n\ln^2(n)}$ converges

Proving the convergence of $\sum_{n=2}^{\infty} \frac{1}{n (\ln n)^2}$


Why would I prefer using vector to deque


Use mathematical induction to prove that $\sum_{j=1}^n \frac{1}{(j^2-1)}$ = $\frac{3}{4}$ - $\frac{2n+1}{2n(n+1}$ for all n $\geq$ 2

Evaluating sums question $\sum_{k=2}^n \frac{1}{k^2-1}$


Why is my flag on this question "disputed"?


Why use definition lists (DL,DD,DT) tags for HTML forms instead of tables?


"Problem with MergeList /var/lib/apt/lists/repository.spotify.com" while updating the list


for what values of x will f (x).f'(x) < 0

For which values of $x$, will $f (x) . f '(x) < 0$?


Does the Java serialVersionUID must be static? Can it be an instance variable set by a sub class through constructor?

What is a serialVersionUID and why should I use it?


Default 'Change Password' page in Community

How can I use the Change Password component in Communities


Can't perform boolean difference with an imported collada object


Function to get single field from database with PDO

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


How to add horizontal cylinder at end of cube


What happens if light/particles exceeded the speed of light for a particular medium?


If a user signs in with Facebook, their avatar comes from graph.facebook.com which may be blocked by privacy protection tools

Do not load Facebook-based avatars directly from the Facebook CDN


Why cannot I get a live-USB to use a partition for persistence?

How to make a live Ubuntu 18.04 USB with a persistent storage of more than 4GB


If $a^3 =a$ for all $a$ in a ring $R$, then $R$ is commutative.


For what pair of integers $(a,b)$ is $3^a + 7^b$ a perfect square.


How to convert a List into a comma separated string without iterating List explicitly

What's the best way to build a string of delimited items in Java?


Null Pointer Exception error Jframe windowbuilder

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


What would be a good strategy to avoid being scooped?

What provisions exist to handle scooping when there are multiple reviews of research papers?


How do I iterate over the words of a string?


Why does function modify array[0] but not string in Java?

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


Citing a paper under review in 2 different conferences


How to move the window control buttons in 18.04

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


Why does changing the number of protons cause such a fundamental change in an element?

Why does amount of protons define how matter is?


How to disable Linux Image and Header Updates?

How to prevent updating of a specific package?


Android - Determine which store my app was installed from

How android app can detect what store installed it?


How can I disable Chrome's incognito mode without rooting Android?

On Android, how to disable Google Chrome's incognito mode


Delete Old ubuntu installation in a dual boot system and fix boot loader

How to remove Ubuntu and put Windows back on?


Python: unusual result with rounding numbers. Is this a quirk that can be fixed?


How can I disable screen shortcuts in Windows 7?

How can I disable selected Windows 7 keyboard shortcuts?


Where does the extra mass come from if an object approches speed of light?

Why is there a controversy on whether mass increases with speed?


Compute the limit $\lim_{n \to \infty} \frac{n!}{n^n}$

What's the limit of the sequence $\lim\limits_{n \to\infty} \frac{n!}{n^n}$?


Install full Ubuntu and bootloader on USB drive

How do I install Ubuntu to a USB key? (without using Startup Disk Creator)


How to remove Alert me, Share with link from ECB menu?


Why can't I create edge loops inside of my mesh


difference between illustrator, photoshop and inDesign

What software can graphic designers work with?


python urllib2 can not fetch a specific url

urllib2 returns 404 for a website which displays fine in browsers


$\mathbb{Q}$ is not the countable intersection of open sets. Is my Reasoning Correct?

How to show that $\mathbb{Q}$ is not $G_\delta$


Does the function $\frac1{1+|z|^2}$ have a power series at $z=1$?

How can I show that $\frac{1}{1+|z|^2}$ isn't analytic at $z=1$?


How do I deal with a compromised server?


Exception when run the code collect tweets in java

java.lang.NoClassDefFoundError Main (Wrong Name : com/leslie/quiz/Main)


Is Deadpool from the movie the same character as Wade in X-Men Origins Wolverine?

How does the new Deadpool movie relate to X-Men Origins: Wolverine?


For continuous function $ f:\mathbb S^1 \to \mathbb R$ there exists uncountably many distinct points $x,y$ such that $f(x)=f(y)$


Camera and lens settings/preset for iPhone 11 Pro

How to determine lens undistortion values for motion tracking?


Event binding on dynamically created elements?


Is there a difference between float[] x and float x[]?

Difference between int[] array and int array[]


"is" operator behaves unexpectedly with integers


Making a custom probability distribution to draw random samples from in SciPy

Fast arbitrary distribution random sampling (inverse transform sampling)


How to match first groups occurrence with regex?

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


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


Regular upgrade gives unmet dependency error

Apt/Synaptic needs to reinstall package but can't find the archive for it


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


Citing StackExchange vs. Account Privacy?

Attributing contributions to academic work that occur in Stack Exchange


A simple try for deploying gets an "An internal server error" from the production


How to say in RegExp "contain this too"?

Regular Expressions: Is there an AND operator?


How to sample points randomly below a curve?

Generate two random numbers with constraints


If $f$ is analytic in $D_r(z_0)-\{z_0\}$ and $\Re f(z)>0$ for all $z\in D_r(z_0)-\{z_0\}$, then $z_0$ is a removable singularity of $f$.

If $f$ is ananlytic in $D_r(z_0)$\ {$z_0$} and $Ref(z)>0$ for all $z\in D_r(z_0)$\ {$z_0$} then $z_0$ is a removable singularity


APEX: Insert values out of a JSON list into an object

How to convert a JSON requestBody of the RestRequest to a Map of Strings?


Intermittent NullPointerException hard to reproduce

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


This is the gift that my dad sent (to) me


@webServlet not working with tomcat 7 eclipse

How to upload files to server using JSP/Servlet?


Package xparse continues to throw "Support package l3kernel too old"


Match between brakets that may contain other brakets

Can regular expressions be used to match nested patterns?


Formula for the sum $\sum_{k=0}^a \frac{x^k}{k!}$

Is there a closed form for $\sum_{k=0}^n \frac{x^k}{k!}$?


python (scipy): Resizing a sparse matrix


In QGis, why do parts of the OpenLayers layer export in a different scale and position?

QGIS image export changes the map center and scale


Are all analytic continuations consistent with $1+2+3+\dots=-\frac{1}{12}$?

Is the “sum of all natural numbers” unique?


LaTeXiT only renders the bottom half of the equation


bash script to create and cd to directory with spaces in name

Why can't I change directories using "cd" in a script?


What proverb describes getting out from trouble but ending up in another one?

Are there any expressions that describe going from a bad to a worse situation?


Is $(xy-1)$ a maximal ideal in $\mathbb C[x,y]$?


Is charging 18650 lithium ion cells with lower current better?

What is the minimum charging current for NCR18650 li ion battery?


Convert /etc/network/interfaces to netplan for floating IP


select box data with apostrophe not submit in database


Docker Toolbox: Doesn't have VT-X/AMD-v even if it is enabled

How to install Windows 10 Home 19018 update?


Proof that function is real part of $\sec(z)$


Why are files duplicated in my home folder and desktop?

Ubuntu desktop suddenly points to home folder


Does anyone know the name of this symbol?

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


What hardware does Ubuntu Touch support?


Okay to enter data directly into small table or better to go to new screen?

Should users be able to enter data directly into a pivot table


Why are the longer edges being beveled more?


Ubuntu stuck after login when Nvidia driver installed


How to design a class that work with indexing operator in c#

How do I overload the square-bracket operator in C#?


How to assign equation solutions to variables

Assign the results from a Solve to variable(s)


pgAdmin3 shp2pgsql tools: missing, how to obtain

Where to find shp2pgsql windows binaries?


If uncooked rice is soaked for 2 days, is it still safe to eat (after it's cooked)?

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


Simulate production workload on test environment

How to capture workload from production to replay on test?


what is this error supposed to mean : Exception in thread "main" java.lang.NullPointerException ?

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


Python server / client remote execute problem


Unbalaced Brackets!? Custom Name + Welcome Message

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


Dropping the 3rd variable in a list of lists

List manipulation: Dropping first or last row or column of a matrix


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


What is the mechanism of aspirin as an anticoagulant?


Platform independent resource management

Is there a Linux equivalent of Windows' "resource files"?


How do you Adjust the number of vertices when creating a circle?

Where is the operator panel in Blender 2.8?


Ubuntu, ElementaryOS and Windows Grub Broken

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


Find multiple quoted words in a string with regex

Regex for quoted string with escaping quotes


How to convert json date from angular in asp.net mvc


Will I have to clear Customs, pick up my bag and recheck it when flying BFS-EWR-YVR?

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


What is the value for $\lim_{x\to\infty} \frac{\sin x}{x}$?

What is the limit of $\lim\limits_{x→∞}\frac{\sin x}{x}$


What's the meaning of #define without replacement in C/C++?

Are empty macro definitions allowed in C? How do they behave?


Android View nullPointerException cause by setVisibility() method

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


How does drupal 8 handles redirect respose?


Error: Out-of-line constructor cannot have template arguments C++

Why can templates only be implemented in the header file?


An Apex error occurred: System.QueryException: List has more than 1 row for assignment to SObject


Prefer fulfilling some requests over others

Best practice for Rails App to run a long task in the background?


Dr. StrangeNumbers or: How I Learned to Stop Worrying and Love Floating Point Arithmetic


URLs contain double slash in path for all links within the 'X people chatting' container

Extra slash added to the chat room URLs in the side bar


How should you deal with people who suddenly post angry comments?

Dealing with what's perceived to be an offensive comment


How can you reset an expire date for Windows?


Let VMware keep focus when mouse is outside of window

Moving the mouse cursor out of VM stops keyboard input in that VM


What happens when a site fails to meet the beta requirements?

If a Beta site closes, are the questions and answers lost?


Prove that if $p$ is an odd prime such that $p\mid(x^2+1)$ for some $x\in\mathbb{Z}$, then $p\equiv 1 \pmod 4$

Prove that $x^{2} \equiv -1 \pmod p$ has no solutions if prime $p \equiv 3 \pmod 4$.


No "Altruist" badge awarding notification in achievements popup

Which badges do not cause a notification for experienced users?


Short sci-fi story involving a metal bar and a wormhole

Short story about a hole to another universe that pulls in metal


Hydrostatic pressure at the center of a water planet

How to find the force of the compression at the core of a planet?


Meaning of "SNAPSHOT" version in Maven pom.xml

What exactly is a Maven Snapshot and why do we need it?


How do I make browser window always-on-top (or bottom) whenever I open the broswer?

Ubuntu 18.04 configure vlc always on top


Animation Cycles rendering remains incredible slow


Notification for new activity goes to deleted account on https://unix.stackexchange.com/

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


Convert set of rows to column with list of values

Simulating group_concat MySQL function in Microsoft SQL Server 2005?


How to find all my edited questions/answers which are in pending approval(Queue)?

Where's the summary of your own suggested edits?


Number of binary trees of specific height (h)

How many types of distinct Binary Tree can be formed with a height of h?


"Object reference not set to an instance of an object" error when trying to add objects to a list inside a class

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


I can rotate a 3D body by 90 degrees. How do I iterate over all possible rotations?

How to get all 24 rotations of a 3-dimensional array?


PHP Warning: mysql_result() expects parameter 1 to be resource, boolean given

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


Using dimensional analysis to guess formula ; too many flaws?

What is the justification for Rayleigh's method of dimensional analysis?


No hyphenation of long words in narrow boxes

Lines too long due to text inside custom command not being hyphenated


How to run a loop in all directories inside a directory

How do I create a directory in all subdirectories?


If you have a few meetings with a professor to discuss a paper, but they do not do any actual writing, is this sufficient to justify authorship?

What are the minimum contributions required for co-authorship


How can I make a custom environment that wraps listings?

Wrapping code (listings, verbatim, or other method) inside a newcommand


Set cookie and get cookie with JavaScript

How do I create and read a value from cookie?


How am I supposed to use ZipArchive with memory streams?


Proof of "friendship" in group of 101 people

There are $2n+1$ people. For each $n$ people there is somebody who is friend with each of them. Prove there is a "know-them-all" person.


How do I make the x potion in my cauldron?


Apply the same "rules of migration" to rejected migrations

Don't mark migrations as "rejected" if they were closed long after migration


Is it possible to build memoryless logic gates?

Replacing a diode-OR gate by a circuit that behaves the same way (also in the presence of feedback loops) without accumulating voltage loss


Android App crashes on Radio button click, throws NullPointerException

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


CSS Flexbox / Fixing footer on bottom of the page in all cases

How do you get the footer to stay at the bottom of a Web page?


Comparing Mather groups returns unexpected value


Russian text breaks, but not all, when sending mail via mail function


Why it is impossible to have a complex number with Integer number as real part and approximate number as imaginary part?

Why `Chop` does not make the real part of machine complex numbers an exact zero?


How to define Lightning CSS based on resolution?

Using media queries in Lightning component


Characterization of compact metrics spaces

Proof that a limit point compact metric space is compact.


How do I get 50 reputation so I can comment on some of these posts? Also do badges count towards reputation and if so how much?

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


Is there any possibility of semi-automated text execution in selenium?

How to connect Selenium to an existing browser that was opened manually in java or create semi automated tests?


Binding functions to dynamically created elements using jQuery .on()

Event binding on dynamically created elements?


Why does defaultTableModel undergo nullPointerException?

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


Executing queries throws an error because of a Apostrophe


Can I plug a generator into a dryer outlet

Can I backfeed a portable generator into my house's electrical system?


How to divide all rows of a matrix by their row sums

How do I divide the columns of a matrix by the sum of its elements?


'It's better/worse as compared with (something)'


Group by Error: PG::GroupingError: ERROR: column must appear in the GROUP BY clause or be used in an aggregate function

PostgreSQL -must appear in the GROUP BY clause or be used in an aggregate function


Find text files that have 2 terms in them (in any order, at any line)

Search for text files where two different words exist (any order, any line)


Is it safe to travel in Japan considering the nuclear situation?


Horizontal or vertical navigation on mobile saas apps?

Is there any research or data on horizontal vs. vertical navigational menus?


How to rename archives in Ubuntu's terminal?

How do I easily rename multiple files using command line?


Why won't my nether portal bring me back where I left?


Connecting an always on LED to a raspberry pi

Correct formula for LED current-limiting resistor?


Why shouldn't I use mysql_* functions in PHP?


Stirling number of the first kind equality

Proof concerning Stirling numbers of the first kind


N cannot be partitioned into a finite number of arithmetic progressions

Prove: The positive integers cannot be partitioned into arithmetic sequences (using Complex Analysis)


Best option to connect Macbook Pro with Thunderbolt and HDMI to a monitor with DP and VGA

Connecting a Retina MacBook Pro to a VGA Display?


Determine which software product a Microsoft Product Key activates


Infinite loop when prompting for user input?


Defining a shortcut for \end{frame} gives an error in beamer

Difficulty in creating macro '\newcommand' for the beginning and end of frames in Beamer


Proof of $\mathcal{F}\approx\mathcal{P}(\mathbb{N})$ using elementary notations and Cantor Bernstein Theorem?

Cardinality of power set and binary sequence


How did the Dursleys give Harry presents?


Can one teach JAXB to generate Java classes including comments?

How to make generated classes contain Javadoc from XML Schema documentation


saving an image with a transparent background

How to make a surface with a transparent background in pygame


Getting "java.lang.NullPointerException" exception when i try to run my POM test

How to resolve NullPointerException error in my below POM code?


Only the page number in the header, nothing else

How to remove the top horizontal bar in fancyhdr?


bootstraps 3 white space on right side mobile devices

Overflow-x:hidden doesn't prevent content from overflowing in mobile browsers


static_assert even if member is not instantiated

static_assert fails compilation even though template function is called nowhere


Does "empty" updates create equal amounts of transaction-logging?

Do database engines update when the updated value is the same?


How is it that Quantum entanglement does not let you transmit infomation?

The choice of measurement basis on one half of an entangled state affects the other half. Can this be used to communicate faster than light?


How to save Google Earth data for offline viewing


Is there really no way to add edge loops with maintaining geometry?

What is the quickest way to add pairs of edge loops?


Create maintenance plan using SQL script without using the wizard

Copy maintenance plans to a different server


How is it easier to make a persistent live drive with Ubuntu 19.10?


An old short story about an urban war between car drivers and pedestrians

Looking for Author/Title of dystopian short story on organ trafficking where foreheads are stamped


accidentally deleted windows while installing ubuntu, not able to get it back please help!

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


all packages keep unmeting dependencies all the time

How do I resolve unmet dependencies after adding a PPA?


How to use the value of a variable in creating an object in JavaScript

How to create an object property from a variable value in JavaScript?


How to restore original size and unboot my bootable USB pendrive


Object reference not set to an instance of an object. NullReferenceException was enhandled

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


How to get city name based on IP address in java?


Lead Conversion Trigger Issue (After Update/After Insert)


How can I mark categories in a BarChart with one instead of multiple labels?


Transfer bookmarks from Chrome to Firefox

Can I sync bookmarks between Firefox and Chromium?


How do I deal with 'sudoers.so must be only be writable by owner'?


What are curves (generalized ellipses) with more than two focal points called and how do they look like?


Can we measure size of an object using EXIF data from a photo?


Arabic letters in php file changed to symbols


Can Two Different Polynomials Agree on an open interval?


How can I rigorously prove this fundamental inequality?

Proof that if $a > 0$, then $\frac{1}{a} > 0$ using just field and order axioms


How to handle duplicate question from another server?


JSF 2.0 "Conversion Error setting value 'courseID' for 'null Converter'.!!How can I avoid this kinda error?

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


My materials section is different than the one shown on tutorial

Why does my material panel look different?


The Shader Editor Show Up Blank When reopen it


How to get to the formula for the sum of squares of first n numbers?


how to use click event when page is dynamically reloaded

Event binding on dynamically created elements?


How to run PHP database operation on page click?

What is the difference between client-side and server-side programming?


Windows 10 not saving PATH added variables after shutdown/restart


Writing assembly code for a non-static location in memory (need absolute addresses)

Call an absolute pointer in x86 machine code


Brackets in if condition: why am I getting syntax errors without whitespace?


Extract words from file using separate word list


Javascript function scoping and hoisting


Not Important bug found with 5 second comment warning?

Deleting a comment (mine) shouldn't count as a comment vote


Can not change my network connection from public to private on win10

How do I set my wireless network to be private instead of public?


Having troubles with the tildes and 'ñ's when inserting csv file in database


Omitting the subsectioning bullets in the headline of the frame in Beamer

Is it possible to get rid of the bullets in the miniframes outer theme


USB wifi adapter is not recognized in Linux ubuntu 20.04.1 LTS

How do I install drivers for Realtek RTL8812BU?


Are these scratches at carbon fiber something to worry?

What do I do when I am unsure if a carbon fiber component is safe to use or needs replacing or repairing?


Finding a substring in a NSString object


How to upgrade a 3rd generation iPad to IOS 7?

Can I install any iOS version I wish by picking and choosing which firmware to restore?


Why does the density of electric field lines make sense, if there is a field line through every point?


How can I recover data from a clicking/dying external drive?


Johansen Cointegration on a stationary time series?


How does a web server return an HTTP request?

How does Router know where to forward packet


Is it okay to say "easier" after a verb?


"It isn't" vs "It is not" (Google suggestion) - which one is more common?


How to use the Alt + Right click in edit mode in Linux


Duplicate flagging reason description requires the 'original' to already have an answer

Should the "closed as duplicate" message be altered?


Reunion of disjoint stable sets in a graph

Prove that at most $2k+1$ independent sets form the set of vertices of a graph, where $k$ is the maximum degree.


Use "ac" for showing the acronym but not the entire definition when called the first time

Short form when acronym is first used in table


Prove that $p$ divides $F_{p-1}+F_{p+1}-1$

Prove Divisibility In Fibonacci Sequence Over A Prime Number


Reference - What does this error mean in PHP?


Editing a primitive's values AFTER initial placement

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


Are there any easy known ways to play DnD 5e without other real people?


Redirect to another html page using only html and javascript


Effect of a photon on curvature of spacetime

Does a photon exert a gravitational pull?


PHP session_start with encoding to UTF-8

How to fix "Headers already sent" error in PHP


How to infuse flavors into steamed vegetables?

How to add flavouring ingredients to steamed or boiled veggies?


Compactness of the set of $n \times n$ orthogonal matrices


Function.prototype.bind polyfill and parametric object creation


How do I incorporate attaching a file to my Ajax/PHP/jQuery contact form?

How can I upload files asynchronously with jQuery?


Will Increased amount of Amps affect dc motors

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


How to run bash script only if passed a day?

How to run a script on each login or once a day if not run that day already?


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


Attacks for toothy half-orc bear shaman druid

What happens if a character gains natural weapons they already have?


String to date type conversion in Python


What should I look for when shopping for my first DSLR?


Missing entry in the reputation tab based on the sort type

How do I read the history of my reputation?


Is it possible to install from a mounted ubuntu-11.10-desktop-i386.iso already downloaded to the desktop?

Install Ubuntu from ISO image directly from hard disk of a system running Linux?


At which embassy should I apply for a Schengen visa when staying a few days in several countries?


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


How to tighten a circular saw without a spindle / arbor lock?

How to restrain the arbor on a circular saw to change the blade


Is $\mathbb{R}$ a subspace of $\mathbb{R}^2$?


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


Book about a kid who gets pulled out of his reality right as a car accident happens

What young adult SF book is about a boy saved by aliens and domed colonies?


Is the Moon in a "Freefall" Around the Earth?

Why doesn't the Moon fall onto the Earth?


Any maximal subgroups of a finite group are conjugate then G is cyclic.

Finite groups with exactly one maximal subgroup


Unable to add time (h:mm:ss) in single column in Excel

How to add time duration column total from Skype Call History CSV file in Excel 2010?


Missed out on becoming a vampire lord, can I still become one?

How many chances do you get to become a Vampire Lord


How to solve this question. n^n =10^10^10. Solve for n.


Use the script to export values with offset by one column


Using Dispel magic on Cleric's Divine Domain: Shadow, Favor of Darkness ability

What happens when you target a "magical effect" with Dispel Magic?


Is "myriad" not prevalent in "day to day speech"?


Link/merge pictures folder across all users?

Two accounts on same computer - how can I make a share folder for both?


how to make realistic water texture in blender 2.82

How can I create a water material in Cycles?


How can I fix this NullPointerException when trying to render on a JPanel with Graphics2D?

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


How to change screensaver user name and/or iterm2 top bar name on mac

How to change computer name so terminal displays it in Mac OS X Mountain Lion?


How can I keep Nikon D3500 always on without battery?


Why use Microsoft account login as an adult in the family?

How to setup login time limits (a.k.a. "parental controls") if you don't want to login with a Microsoft account?


proving the distributive law of matrices

Proving Distributivity of Matrix Multiplication


How can I display a reminder while or before shutdown?

How to run a command before the machine automatically shuts down?


What's the thing with empty script tags in HTML?

Why don't self-closing script elements work?


How to remove Ubuntu and put Windows back on?


When does an acronym lose its capitalization, e.g. RaDAR 'radar'?


Is It Possible to Express all fundamental forces in the form of generalized potentials?

How general is the Lagrangian quantization approach to field theory?


Could a member of my family and I play a game in Steam at the same time?

How to make two people play at the same time?


Choice function without AC in special case


Comparing two equal strings but get incorrect result


K-Means clustering for mixed numeric and categorical data


Add an immediately visible indication that a user is a staff member or an employee of SE

Employee profiles are now marked with a “Staff” indicator


How to interpret documentation for optional JavaScript parameters

How to interpret API documentation function parameters?


alternative to `tail -f ` allowing printing continuous stream from multiple files in multiple folders under the same parent folder

How to tail multiple files using tail -0f in Linux/AIX


proving that elements of a sequence are pairwise coprime


If product of finite elements in a ring is a unit then can we say each element as unit


Shortest question to ask when you want to know whether the one you talk to is the eldest, second, third...or youngest child in his/her family.

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


Do values attached to integers have implicit parentheses?


How can it be that almost all the variance is explained by the first PC?


Proposal: Require anonymous comment with downvotes

Allow users to leave an anonymous comment when voting


Singleton class vs static methods and fields?

Difference between static class and singleton pattern?


Finding Ideals in $\begin{bmatrix} \mathbb{Q} & \mathbb{Q}\\ 0 & 0 \end{bmatrix}$


Why are the graphs are different for $\frac{(x-9)}{{\sqrt x}-3}$ and ${\sqrt x}+3$?

Why does factoring eliminate a hole in the limit?


Question related to Ideals of the ring of all functions from the set $\{1,2, \dots , 10\}$ to $\mathbb Z_2 $.


Detect when player attacks another player


PDFTK Unable to find file; Failed to open file

Why is PDFTK saying it can't find files that are right there?


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


Mac does not recognize iPhone when it is connected by USB

iTunes sometimes doesn't recognize connected device


Is it possible to "hack" a MacBook so as to be able to install macOS Mojave?


Converting nested object to an array in PHP


What’s the interaction between darkvision and the Eagle Aspect of the beast, if you have Darkvision past 100 feet?

What’s the interaction between darkvision and the Eagle Aspect of the beast?


Apache2 Not Working And My browser php code

Apache, problem Failed to start LSB: Apache2 web server


Why are the spacings between columns so uneven?

Table in latex with uneven spacing between columns


How to pass for Langevin equation to Fokker-Planck equation?

What is the relation between Langevin and Fokker planck equation?


How to prove that $z\gcd(a,b)=\gcd(za,zb)$


Remove Windows Defender Antivirus Service in Task Manager


How widely accepted are Euros in Hungary and how bad is the exchange rate practiced by shops/hotels?


How can I make a wifi hotspot with Ubuntu?

How do I create a WiFi hotspot sharing wireless internet connection (single adapter)?


How can I install Windows software or games?


Browsing cached pages with no internet connection

Browse local copies of websites when possible (Firefox with slow internet connection)


Vertices Move Around With Jerking Motion

Cursor is set to move by increments. how to reset to normal?


Proof by induction for $\left(1−\frac14\right)\cdot\left(1−\frac19\right)\cdots\left(1−\frac1{n^2}\right)$ for all natural numbers $n$ with $n \ge 2$

Proving $\prod_{i=2}^{i=n} \left(1-\frac{1}{i^2}\right) = \frac{n+1}{2n}$ by induction


Why if a system $AX=Y$ has solutions in a field F then it has solution in a subfield F_1?

System of linear equations having a real solution has also a rational solution.


How many string objects will be created in memory?


Box and title of the box containing code

Styling a lstlisting caption using caption package


How do I find the amount of free space on my hard drive?


How can I obtain more significant digits?

Annoying display truncation of numerical results


Java Servlet: java.lang.ClassNotFoundException: org.json.simple.parser.ParseException


Test class have 'System.QueryException: List has more than 1 row for assignment to SObject' error

How to fix "System.QueryException: List has more than 1 row for assignment to SObject"


How can I possibly sleep with everybody?


Mathematica and Wolfram Alpha - Long data series

Historical Exchange Rates via FinancialData


How to define a model table name without modifying the model in a Django project?

Django; How can i change the table name used by i.e django.contrib.sessions?


How to redirect STDOUT and STDERR in a file for every command?

How to redirect output of an entire shell script within the script itself?


Whose lightsabers does General Grievous use to fight Kenobi?

Why does General Grievous have blue and green lightsabers instead of a red lightsaber?


Invoke method with generic expression and action as parameters

How do I use reflection to call a generic method?


Mechanistically, how does calcium chloride aid in bacterial transformation?

Role of calcium chloride during competent cell preparation


Have first posts include more than just the first post

The "First Posts" review queue is ineffective and toothless


A commutes with everything that commutes with B

Matrices $B$ that commute with every matrix commuting with $A$


IChing and space travel identification question

Story featuring smart people sent on a space mission to nowhere


Use a string from a config file to initilize a generic type

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


Question mark or bold citation key instead of citation number


How do I hide this top panel and where did my menu bar go?


Java Servlet runs with status code HTTP/500

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


Uniform Continuity of function $\frac{1}{1+x^2}$

Show $1/(1+ x^2)$ is uniformly continuous on $\Bbb R$.


Best way to have paid and free version of an Android app


What the function of the pronoun"it" here, does it refer to the contractor because the author did not know precisely what the contractor's gender is?

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


What's the maximum amount of RAM Ubuntu 20.04 can support?

What is the maximum RAM supported by the desktop and server editions?


Proof that $\sum_{i=1}^{\infty} \frac{1}{1+z^n}$ converges if $|z|\gt 1$ with $z$ complex.

Proving the convergence of $\sum\limits_{n=1}^{\infty}\frac{1}{1+z^n}$ for $|z| > 1$


How to I stop Chrome from updating when it is first installed?

How to install Google Chrome completely offline and without checking for new version?


Dropping insignificant interaction term makes insignificant main effect significant: what do?

Including the interaction but not the main effects in a model


Does 64 Bit AMD Works on intell core 2 duo?

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


Does the Observant feat allow you to auto-succeed against illusions?

Is passive Investigation essentially truesight against illusions?


Applicable Group Problem Involving Modular Arithmetic

{5,15,25,35} is a group under multiplication mod 40


How do I get the number of days between two dates in JavaScript?


Trying to get datas for last three months

Returning records from the last 3 months only in MySQL


wonderful code, need help loading the arrays

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


Interpreting a binomial regression model in R with cloglog link function

Interpretation of R's output for binomial regression


Compiler hang when initializing large std::arrays


Is there a way that I can apply my physics so I can export them as obj?

Is there a way to set initial state with rigid bodies?


How can we consider only unbiased estimator of zero 'based on sufficient statistic'?

What is the intuitive sense behind the purpose and mechanics of Sufficient Statistics?


How to evaluate a math expression given in string form?


How to trigger function when elements are from ajax call

Event binding on dynamically created elements?


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


Preventing web browser from closing until AJAX response is returned

JavaScript, browsers, window close - send an AJAX request or run a script on window closing


datetime.date(2014, 4, 25) is not JSON serializable in Django

How to overcome "datetime.datetime not JSON serializable"?


How to get File object to folder where from main class was loaded?


Not allowed to comment on high quality posts when reviewing?

Adding a comment should not make me fail the review audit


when p is sum of two square integer, prove (a/p) which is legendre symbol = 1


JQuery works in JS fiddle, but not on my website?

How do I put codes from jsfiddle.net into my website?


What's the name of the fallacy for using "localised" examples to suggest a "systemic" problem?

Technical term for associating a group with the actions of a few


How to determine if this alternating series $\sum_{k=1}^\infty\frac{(-1)^k\ln k}k$ converges absolutely or conditionally?

Another "can't use Alt. Series Conv. test" (How do I determine if it converges or diverges?)


Is the trace of the product of two positive semidefinite matrices always nonnegative?

Is the product of symmetric positive semidefinite matrices positive definite?


Grub does not show a Windows 8 option after dual boot


Trying to join Minecraft servers. my internet is up but no servers will allow access

I can't connect to a friend's Minecraft server, but none of the usual culprits seem to be the problem


How to estimate the total number of raffle tickets sold based on the serial of the ones that were drawn?

Why are these estimates to the German tank problem different?


Difference between process group and job?


Nvidia GTX 1660 - which driver do I have to install

How to download all required Ubuntu drivers


Proof Using Modular Arithmetic - Divisibility using co-prime numbers

show that if $a | c$ and $b | c$, then $ab | c$ when $a$ is coprime to $b$.


Make a parent div expand to fit a div contained within it

Why doesn't the height of a container element increase if it contains floated elements?


List of lists changes reflected across sublists unexpectedly


Unable to install Ubuntu 18.10. this kernel require an x86-64 cpu but only detected an i686 cpu. Unable to boot

Cannot install Ubuntu in VirtualBox due to "this kernel requires an x86-64 CPU, but only detects an i686 CPU, unable to boot" error


Android Apache FTP-Client stops after creating a new FTPClient Object

How to fix 'android.os.NetworkOnMainThreadException'?


Easiest way to upgrade php to latest version?

How do I install different (upgrade or downgrade) PHP version in still supported Ubuntu release?


Why is there a large gap between imported png and caption?

How to reduce space between image and its caption?


How to programmatically sign the code in a Word Document

Is there a way to programmatically add a digital signature to a VBA Macro in a word document?


Staying/extending 90 days more if leaving inbetween Schengen expiry date of 90 days


How do I connect two tables in SQL to create a new table?


Is there a term for adjectives / modifiers that don't, at face value, seem to apply to the noun modified?


How to copy and save file which user chosen with FileChooser in javafx

Standard concise way to copy a file in Java?


Derivative with Respect to Symmetric Tensor

Variation of the metric with respect to the metric


Down-voting questions that belong elsewhere. Do or don't?


How to take a screenshot of a whole desktop with app menu selection?


Jon Skeet rep-capping at <200 pts, but then later getting points for upvotes up to 200?

How do I read the history of my reputation?


Sorting an array by two values using compareTo

How to compare objects by multiple fields


Prove that $(n!)^2 ≥ n^n$ using mathematical induction


Alpha and Omega limit sets (dynamical systems)


Unable to access LastViewedDate on Account object SQL


where to specify iOS version supported by my app


Examples of bijective map from $\mathbb{R}^3\rightarrow \mathbb{R}$


How to do string interpolation in javascript?

How can I do string interpolation in JavaScript?


How do we pass the field api name in lwc for a lightning data table?


Does "+" use in String concatenation affect efficiency?


What is the difference between continuity and uniform continuity?

Difference between continuity and uniform continuity


Show that Function Compositions Are Associative


How to connect to the SSL server in android

HTTPS GET (SSL) with Android and self-signed server certificate


Find a example in $L^2$, nonempty closed but contains no element of smallest norm.


How to remove Ubuntu and put Windows back on?


How to find cause of high kernel_task cpu usage?


Image Alpha Background Renders Black when using “Import Images as Planes” 2.0

Image Alpha Background Renders Black when using "Import Images as Planes"


Does drift velocity depend upon cross sectional area of the conductor? If yes then how?


The system sees a comment that doesn't exist


Java - eleven random numbers between 0-9

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


How does this code work? Accessing property through another property

How do I filter all HTML tags except a certain whitelist?


Double superscript error while typing equations

Double superscript error involving tilde


Cryptsetup login fails after applying proprietary ATI driver (fglrx-updates)

Ephemeral error message: "cryptsetup: unknown fstype, bad password or options?"


pygtk not available on Focal Fossa (20.04)?

Why can't I import "pygtk" with Python 3.2 from PyDev?


How can I manually install a package on MiKTeX (Windows)


Why does linear motion not emit gravitational waves?

Why gravitational waves are not produced by objects moving at constant velocity?


Remove whitespace in HTML created by JSP comments


Closing Etiquette: Why Do Some Answer *and* Close?


Apply function to all elements of collection through LINQ

LINQ equivalent of foreach for IEnumerable


Are there best practices for (Java) package organization?


How do I vertically center an H1 in a div?

How do I vertically align text in a div?


Did Vader intend to eventually bring Padme back to life?

Did Darth Sidious and Vader ever discover how to cheat death?


Compute the complex integral $\int_{|z|=1} \frac{1}{z^2+1}$

What happens when $\lvert\omega\rvert =1$?


while loop acting differently upon reentry (java)


Regression changing of dependent variable

What is the difference between linear regression on y with x and x with y?


"any product group" or "any product groups"?

"Any" followed by singular or plural countable nouns?


Is the auto generated serialVersionUID always the same for all instances of the same class?

What is a serialVersionUID and why should I use it?


False Positive: Your post appears to contain code that is not properly formatted as code

Code block is not properly formatted when placed immediately after a list item


do you know anyone who is over 30 years old, but got admission from top math grad school?


Android (Java) - Json nullPointerException when parsing Json

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


Should I always use a comma after "e.g." or "i.e."?


Electrons fly on certain orbits around nucleus. why do not they radiate waves and crash to the nucleus?

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


How to get rid of an extra radio button choice created by SharePoint Lists?

Sharepoint lists showing a blank option in all choice fields


Why are heatmaps on qgis 2.8.1 produced in the wrong CRS?


Can you cast a spell before Initiative has been rolled?

What happens when initiative allows a player to act before the player that started the combat?


Does a photon in vacuum have a rest frame?


How to replace multiple items with same count of a different item?


I changed my var folder permission to 777 do I have to re-install the system

Correcting /var permissions to it's original state


Python rounding error with float numbers


Schengen visa from country with less days of stay

Does the stay in country of entry have to be longest in a multiple entry Schengen visa?


Questions with once good answers that are now out of date and need updates


How to control setuid, setgid, and sticky bits from chmod's numeric method?

Understanding UNIX permissions and file types


Freeing up memory (RAM) on Ubuntu 8.04 Server

Why is Linux reporting "free" memory strangely?


How do I draw a vertical dotted line separating two columns?


Problem with alpha channels in my picture (PyGame)

How to make a surface with a transparent background in pygame


using google maps in an AngularDart View

loading google map in angular.dart view (ng-view)


Will 'at' command be executed after the reboot?

Does at scheduled tasks remain after reboot?


java.lang.NullPointerException: Cannot invoke method addURL() on null object

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


Bionic: How can I automatically enable VPN on a network connection?

Automatically turn on VPN on computer unlock Ubuntu 18.04


What's wrong with this javascript statement?

event is not defined in mozilla firefox for javascript function?


Replacing one character in string with another string excluding pattern


Many pages get a triangle-shaped warning icon in Firefox

Better HTTPS support for Stack Exchange sites


Let $f(t)$ be a continuous function on an interval [a,b]. If $\int_a^b |f(t)| dt = 0$, then determine $f(t)$.

Why must the integral of a nonzero continuous function be nonzero?


Error: Xenial Release repository cdrom does not have a Release file

Problem with sudo apt get update: The repository cdrom... does not have a Release file


GeoServer upgraded to 2.17, WFS extra dimension returned in linestrings, causing exception Invalid ordinate index: 3 calling geom.Coordinate.setM()

GeoServer 2.17 - added Shapefile with geometry of type "3D Polygon", rendering fails exception "Must have at least 2 spatial dimensions"


How display footnotes in the same line, when the classdocument is beamer


Have I found a bug in the way that SE parses comments for bold markdown?

Using bold or italics within a word in a comment does not work


What do ^ and $ mean in a regular expression?


Expected value of times we roll a pair of dice


How do I list all packages outside of the enabled repositories?

How to list installed packages in apt that are not backed by a repository?


Automorphism group of the quaternion group


\rightsquigarrow with the text above and below it

How to put text below some text in an equation


How much reputation do I get for positive feedback?


Identify the source of the iOS app installation

Trackable links to my app in the App Store


Can anyone explain to me explain to me what Robert Pirsig is trying to convey through the book ZAMM as a whole?


Tool Dialogs appear blank in ArcGIS for Desktop?

ArcGIS Toolbox functions missing all parameters?


C# method implementation with dot notation

C# Interfaces. Implicit implementation versus Explicit implementation


Check if the number $3^{2015} - 2^{2015}$ is prime


Problem in proving that the radical of an ideal is an ideal

Prove the Radical of an Ideal is an Ideal


Problem in figure environment in article


How to properly implement relationship between a user and multiple other users

Designing a friendships database structure: Should I use a multivalued column?


How to stop 'NIntegrate::inumr' warning while taking derivative of a function?

How do I prevent NIntegrate::inumr errors within other functions?


Limit elements from a list in python 2.7


Finding the sum of the coefficients of a polynomial.

How to Calculate the Sum of Coefficients in a Polynomial with known Integer Roots


Why would someone practice free lensing?


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


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


History of ODE and PDE reference request

Book recommendation on the history of PDE/ODE?


Error: Registry key 'Software\JavaSoft\Java Runtime Environment'\CurrentVersion'?


Python CSV parsing not returning proper rows


myTv+ app returns error code 100 when running on Android TV box

myTv+ app returns error code 101 when running on Android TV box


Figures with [h] position in multicols environement

Placing figures inside a two-column document


how do I tune for one-day-a-year traffic

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


Revert to repo version and delete all new files I've created with Git

How to revert uncommitted changes including files and folders?


Javascript automatic variables from DOM IDs (2014)

Do DOM tree elements with ids become global variables?


The Axiom of Choice, and the statement that whenever there is a surjection $A \to B$ there is an injection $B \to A$

Is the following equivalent to the axiom of choice?


Wifi gone after latest Ubuntu 14.04 update on August 25, 2016


Android "Only the original thread that created a view hierarchy can touch its views." error in Fragment


Export 2D ArcScene into Adobe illustrator as vector data

Exporting 2D vector graphic from ArcScene to Illustrator


If a is less than 1 in absolute value, than n times a to the n'th power converges to zero

Sequence Limit: $\lim\limits_{n \rightarrow \infty}{n\,x^n}$


Null pointer exception while retrieving data from Firebase

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


jquery regex to get string between two brackets

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


How to move S3 bucket to different location


Unexpected result with COALESCE Function SQL Server 2008

Simulating group_concat MySQL function in Microsoft SQL Server 2005?


Hide deleted answers with certain characteristics


How to install Android Studio on Ubuntu?


Install Ubuntu on USB without affecting my laptop and not lose my progress like I do with "try Ubuntu without installing"

How to make a persistent live Ubuntu USB with more than 4GB


How to group same Dictionary values together in Python and Count the Value?


Difference between I have lived or I have been living?


Prove that $⌊ a ⌋ + ⌊ a + 0.5 ⌋ = ⌊ 2 a ⌋ $ for every $a \in \Bbb{R} $

Floor function properties: $[2x] = [x] + [ x + \frac12 ]$ and $[nx] = \sum_{k = 0}^{n - 1} [ x + \frac{k}{n} ] $


User Reputation count mismatch while searching user

Mismatch Reputation in the thumbnail and the actual Reputation


Why this user hasn't got the association bonus on Super User

Have multiple site accounts and enough reputation to qualify for the association bonus, but didn't receive it


Change variables so that the following equation depends on one parameter only

Nondimensionalizing a differential equation


Teleporting to a location defined by scoreboard objectives

How can I allow all players to use the teleport command without the use of mods or op permissions?


Permanent redirect all http requests to include www subdomain

Redirect non-www requests to www on Amazon Route 53


Are All Generating Sets for the Borel Algebra Uncountable?

Showing that the family of Borel sets is countably generated


How to write there exists exactly 1 x in a domain with property p without the unique quantifier?

Write ‘There is exactly 1 person…’ without the uniqueness quantifier


\textcite macro produces "Author (year)" correctly but colours first paren with hyperref


Variable declared inside nested IF but read outside? Is this a problem?

What is the scope of variables in JavaScript?


Is it grammatically correct to use his, her, or his/her?

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


What happened to the Imperial Fleet after the destruction of the second Death Star?

How did the Rebel Alliance survive at Endor?


Who fixes issue reports of Stack Exchange?

Who is on the Community Management Team, and what do they do?


Is it correct to use "their" instead of "his or her"?


Positioning of the game object after scaling the game background

moving object on game background after scaling it based on screen size


What is the easiest way to level Light Armor with all the DLC?

How can I improve Light Armor as an Archer?


How does a Support Vector Machine (SVM) work?


java.lang.NullPointerException: Attempt to invoke virtual method 'int android.view.View.getId()' on a null object reference

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


Why does Date.parse give incorrect results?


I have a UK DClinPsy. Can I use a plain 'Dr.' title in Germany?

Can my UK PhD permit me to use the title "Dr.-Ing." in Germany?


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


Php Notice: Undefined index when post dynamic input

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


Single Variable Calculus Reference Recommendations


Map not loading when using getLegend and showing error for getView()


What is the simplest way to display unordered list items inline and also keep the bullets in Chrome?

How to dispay unordered list inline with bullets?


Sending An Emoji Via AJAX Post With UTF-8


How do I evaluate a variable with a string in the POSIX shell?


Why is most of my RAM always being used?

Are there guidelines on how much free RAM a phone should have - specifically Samsung Galaxy S?


Why did Thor choose Earth after forging Stormbreaker?


Ubuntu installed to USB key, but not recognized as bootable

How do I install Ubuntu to a USB key? (without using Startup Disk Creator)


Is shuffling data really necessary for training?

Why should the data be shuffled for machine learning tasks


How to randomly select a point from the surface of a unit sphere ?

Picking random points in the volume of sphere with uniform probability


How to split a layer by attributes in Qgis?

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


How to make citations appear within parentheses () instead of square brackets [ ]?

How to make citations appear within square brackets [ ] instead of parentheses ( )?


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


Accented characters from db not displaying right after server migration


Using PDFBox to write UTF-8 encoded strings to a PDF

Apache PDFBox: Can I set font other than those present in PDType1Font


control panel to see running applications


Launch Firefox window on local raspberry from remote ssh

How to start a GUI software on a remote Linux PC via SSH


Is the differentiation operator an open mapping?


Rotate end face of Cylinder keeping cylinder diameter

How to make a cylinder / pipe with slanted ends (like pasta penne)?


How can I watch Amazon Prime videos using Firefox on Ubuntu 16.04?


How do I make a subdomain (e.g. mirror.site.com) on a LAMP server?


Nullpointerexception when adding images into ArrayList

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


When rolling a third doubles, do you interact with the space you would land on?

What happens if you roll doubles 3 times then land on "Go to jail?"


Change a web.config programmatically with C# (.NET)


Prerequisites for Classical Mechanics by V.I. Arnold

Prerequisites for classical mechanics by Susskind


Anonymise a question instead of Deleting

How do I remove my name from a post, in accordance with CC BY-SA?


Do I get more candies if I sent back evolved Pokemon to the professor?

Is it same number of candies for any stage of evolution while transferring pokemon to professor?


OSX Sierra doc moves itself to another monitor

Why does my dock keep moving back to my other monitor?


Where does the momentum exchange happen in a rocket?

What is a rocket engine thrusting against in space?


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


How to make an object in box2d have constant velocity even after collision?

Box2d contant speed before and after collision


Failed to load resource: the server responded with a status of 502 (Bad Gateway)

What causes the 'Connection Refused' message?


How to use the symbol \angle at the section title


Enabling Acceleration tab on VirtualBox Manager running on Ubuntu 12.04 (guest OS)

How to enable nested virtualization in ubuntu


How do I show the left hand side bottom box

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


Custom 'Keyboard' built in an application on Android


Resolving javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed Error?


Should a colon be used following a dependent clause to introduce a quote?

Correct punctuation to introduce a supporting quote


Null pointer Exception in an integer array

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


Post not getting submitted in case I put '


How to calculate next date(days months and year) based on provided number of days in java?

How can I increment a date by one day in Java?


Is there a Force-focused lightsaber style more warrior oriented than Niman?

Why didn't the Jedi Niman specialists train more?


Table width exceeds the borders of paper

My table doesn't fit; what are my options?


jQuery $(document).on( eventName, selector, function(){} ) not working

Event binding on dynamically created elements?


Extracting IP addresses from a log file and list them in another file

Extracting IP address from a text and store it in a variable


Evaluate limit of integration $\lim_{x \to \infty} (\int_0^x e^{t^2} dt)^2/\int_0^x e^{2t^2} dt$

Compute $\lim_{x \rightarrow +\infty} \frac{[\int^x_0 e^{y^{2}} dy]^2}{\int^x_0 e^{2y^{2}}dy}$


How do I iterate over the words of a string?


If photons have no mass, how can they have momentum?


Can someone with poor coursework record but decent research profile fit in academia?

Are unimpressive grades in core courses an indication of not being competent for a career in the field?


How to get hard disk information on linux terminal?

How to list disks, partitions and filesystems in Linux?


Mount an ISO Image on Windows 2008 Server


Can a deterministic model of the universe account for an agent's free will?


How to prevent my child from being indoctrinated with Christianity?

Should I allow or forbid my son to visit the education of a religion that I do not share?


How can I protect my camera from the snow?

What safety precautions should I take when taking photos in the snow?


Independence relation between observation and error

Independence and conditional distribution


Why IA32 does not allow memory to memory mov?

Why isn't movl from memory to memory allowed?


How to prompt for user input and read command-line arguments


Android intent to navigation app and back

Google Navigation (Android 1.6) intent callback


"date(): It is not safe to rely on the system's timezone settings..."


Difference between forking and cloning a GitHub repo


Is there any native DLL export functions viewer?


Warning: mysql_num_rows() expects parameter 1 to be resource, boolean given error

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


Circuit to adjust -30V to +30V input to 0 to 3.3V for ADC?

Combined ADC scaling and offset with variable input voltage ranges


In GRUB how to set a password for editing options?


C++: concise way to create const reference to modiable object

Calling a const function from a non-const object


How can I search Stack Overflow with strings containing punctuation?

How can I search for a string containing a colon?


Remove or delete a review from my iTunes app?

Is it possible to delete a customer review that contains wrong information?


When you die, what contributes to your "Score"?


A condition of linearity for a holomorphic function

Consequences of a fixed point of a bounded, complex analytic function


Commutative finite group, $(A_1A_2\dots A_n)^2 = e$ and $A_1A_2\dots A_n=e$

If G is a finite abelian group and $a_1,...,a_n$ are all its elements, show that $x=a_1a_2a_3...a_n$must satisfy $x^2=e$.


Replace the last occurrence of a string in another string


Java JFrame code giving Null Pointer Exception

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


Programmatically check the checkbox of an exposed filter

How can I alter the value of a filter and have the output altered before the view renders?


invoke synchronized static method,then can other static methods be accessed?

Java synchronized static methods: lock on object or class


The submatrix of a matrix in relation to the rank of the matrix

Proof that determinant rank equals row/column rank


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


What is the name of the sql table that relates to all of the field tables


How could I define function with function such as Coefficient?

What is the difference between Set and SetDelayed?


How to get the native version of Spotify running?


Problem trying to get rid of a repository error message in Ubuntu 19.04

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


How do you remove Nvidia's proprietary drivers?

How can I uninstall a nvidia driver completely ?


How can I Hide in Drupal 7 the bottom blocks in Add and Edit button for my content

How to hide Authoring information,Revision information,Publishing options tabs in create/edit node for any content type


How to filter an array of words in Microsoft Excel?

How can I filter data based on items in a list?


Tips for earning currency on Clash of Clans

How can I get gold faster in Clash of Clans?


How to show hidden files in Nautilus 3.20.3 Ubuntu 16.10?


How do I search MY questions across all SE sites I have profiles on?

Searching my own questions & answers over all Stack Exchange sites


Editor invited after minor revision submitted

What does the typical workflow of a journal look like?


What about the reciprocal of Heine theorem?

For which conditions on countable sets does continuity implies uniform continuity


JavaScript property access: dot notation vs. brackets?


Should my sitemap and robots.txt have http or https urls for the given scenario

If a website is accessed on HTTPS instead of HTTP, should the URLs on the sitemap be HTTPS or HTTP?


"wire' in "Understand That People Are Wired Very Differently"


Given $|f(x) - f(y)| \leq 7(x-y)^2$ show $f$ is a constant function

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


Insert a value to a varbinary column type in SQL Server with PHP and PDO

Change Data Type Varchar To Varbinary(max) In SQL Server


Where does the majority of the mass of the usual matter come from?

From which dimensionful constants does proton mass arise?


Help with proving that $\phi(n)$ $\ge$ ${\sqrt n} \over 2$


what is the meaning of "? :" operator PHP

Reference — What does this symbol mean in PHP?


Show that $Y_1$ and $Y_2$ are independent $N(0, 1)$-distributed random variables.

Given that $X,Y$ are independent $N(0,1)$ , show that $\frac{XY}{\sqrt{X^2+Y^2}},\frac{X^2-Y^2}{2\sqrt{X^2+Y^2}}$ are independent $N(0,\frac{1}{4})$


What's the right way to enter DKIM string into BIND zone file?

How do I enter a strong (long) DKIM key into DNS?


Proof that an ordinal number does not contain itself

Prove that no ordinal is an element of itself


UnboundLocalError: local variable 'gold' referenced before assignment

Don't understand why UnboundLocalError occurs (closure)


Beamer: Multiple videos simultaneously with autoplay?

beamer, media9 - play multiple videos at once


Check if it's the front page in the template


Is there a use-case for singletons with database access in PHP?


Is the strong topology on $B(H)$ first countable?

The strong topology on $U(\mathcal H)$ is metrisable


Show that a ring with only trivial right ideals is either a division ring or $|R|=p$ and $R^2=\{0\}$. Why would $R$ be finite?

To show that either $R$ is a field or $R$ is a finite ring with prime number of elements and $ab = 0$ for all $a,b \in R$.


Custom RegEx for Username/Email Address Java


How to acces items in deeply nested JSON object?


Viewing external video input over mini displayport

How could i use an iMac as secondary monitor for a Windows 7 laptop


Find all hidden ".idea" folders in system

How do I search all hidden files that are in hidden folders using Terminal?


Prove that $a/b+b/c+c/a \geq a+b+c$ if $abc=1$

Inequality $\frac{a}{b} + \frac{b}{c} + \frac{c}{a} \geq a + b+ c$ when $abc = 1$


Solving ERROR 000732: Input Raster: Dataset Con( does not exist or is not supported in for loop?

Why does Raster Calculator (RasterCalculator_sa) give ERROR 000539 in ArcPy?


If/Testing the existence of certain numerous files

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


What was the weapon that this Stormtrooper used when he fought Finn?

What is this First Order weapon that can block a lightsaber?


Run exe which is packaged inside jar file


C++ functions: invalid initialization of non-const reference of type

What does `invalid initialization of non-const reference` mean?


How to search for a string from all pdf files in a folder?

Search text within multiple pdfs and docs


Infinite Series vs Integral Representation of State Vectors in QM?

Expansion coefficients of an arbitrary state in the Hilbert space of one-particle states


A thought experiment in special relativity theory

A question about special relativity theory


How to know in Windows 8 if TRIM is enabled in SSD hard drive?

How can I see if Windows 7 is using TRIM for my SSD drive?


why \subparagraph in text does not appear in Table of Content and no numbering?

How to show subsubsections and paragraphs in TOC?


Javascript: same math logic gives two different results


How to Globally Change Color of Matter Inside Inline and Displayed Math Mode?

How do I get different colors for math and for text?


Story about human space explorers who run into alien telepath space crew

A short story about finding an inhabitable planet and meeting aliens


How can we prove $e^{x+y}=e^{x}e^{y}$ by the power series form of exponential function?

Prove $e^{x+y}=e^{x}e^{y}$ by using Exponential Series


How to write a while loop with the C preprocessor?


How do I make Firefox 7 remember my history shorter/longer?

How to Set Firefox 4 to only store History for a set period of time, i.e. one day?


Is There A Facility To Submit Useful Articles

Can I answer my own questions, even if I knew the answer before asking?


Looping through controls with similar names


Let $a$ and $b$ be nonnegative integers. prove that $\gcd(2^a-1,2^b-1)=2^{\gcd(a,b)}-1$


Does jQuery $(document).ready ALWAYS wait for async scripts?


Hide "index not running" warning when Windows Search service disabled

Disable / Turn Off Windows 7 Search Prompt / Warning Banner About Indexing


Is it possible to print the value, that the free() wants to free the memory?

How can I get the size of a memory block allocated using malloc()?


How can I remove my hard drive icons from my desktop?

How to hide all desktop icons in 12.04 and later?


How to add features to a PostGIS layer using Quantum GIS?


What is the maximum possible frequency and wavelength?


SocialMediaData["Facebook", "FriendNetwork"] being returned unevaluated

SocialMediaData doesn't show all Facebook friends


Seeking book or site for help with ArcGIS Desktop?

Seeking books for learning ArcGIS Desktop?


Jquery function not fired (html injected in second moment)

Event binding on dynamically created elements?


EOL while scanning string literal even using r

Why can't Python's raw string literals end with a single backslash?


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


Unable to center align two divs on a page


$4$ different square numbers can't create an arithmetic sequence.


What is the intuition behind defining completeness in a statistic as being impossible to form an unbiased estimator of $0$ from it?


Prove by induction that $3 \mid n^4-n^2 \forall n \in \mathbb{Z^+}, n \ge 2$.

Prove by induction that $3\mid n^4-n^2$ for all $n \in \mathbb{Z^+}$, $n\ge2$.


Inserting the elements of a list to the middle of another list in Python


Gravitational Time Dilation and Speed of Light

GR. Einstein's 1911 Paper: On the Influence of Gravitation on the Propagation of Light


Tag encoding breaks when redirecting after successful login

Viewing C# tag then changing sorting drops the # symbol


complex number $\sum_{k=1}^{n-1} (n-k) cos\frac{2πk}{n}=\frac{-n}{2}$


Word wrap bug in question titles on new meta.SE theme

Haalp! Really long question titles are a bit borked! You can (no longer) see the bug in action right here


python : local variable is referenced before assignment

Don't understand why UnboundLocalError occurs (closure)


java.lang.NullPointerException: Cannot invoke "java.sql.Connection.prepareStatement(String)" return value null


How to plan investment and retire at an age of 45?

Best way to start investing, for a young person just starting their career?


Why web apps do not consider high resolution screens in their designs?

Why do many sites leave half of each webpage empty?


C++ default Constructor not being called


Compare two images, and return the rate of similarity in %


Both layers are in same CRS but in a different place


$I$ an irreducible ideal in a PID is a prime ideal

Euclid's Lemma in a PID: irreducibles are prime: $ \pi\mid ab\Rightarrow \pi\mid a\,$ or $\pi\mid b$


Can someone help me identify what these colons mean under these brackets?


Find the Value of $\sin^2A + \sin^2B + \sin^2C$ given the following data.

If : $\tan^2\alpha \tan^2\beta +\tan^2\beta \tan^2\gamma + \tan^2\gamma \tan^2\alpha + 2\tan^2\alpha \tan^2\beta \tan^2\gamma =1\dots$


Number of genitive object in a nominal compound


Windows 10 licence integrity on hard drive swap

Can you help me with my software licensing issue?


What if script tag has both "src" and inline script?

JavaScript: Inline Script with SRC Attribute?


How to make labels visible after using Clip to Current Data Driven Extent?


Why have both .bash_profile and .bashrc?

What is the difference between ~/.profile and ~/.bash_profile?


Best SE site for image processing questions?

Which computer science / programming Stack Exchange sites do I post on?


I’d like to be able to use SE without allowing all the Google tracking

Any way to support users who block Google APIs?


Why should I use POST etc methods instead of URL parameters?

When do you use POST and when do you use GET?


Install Windows XP .iso on USB (Linux, Lubuntu)

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


Proving an inequality by induction and figuring out intermediate inductive steps?

Proving an inequality by induction, how to figure out intermediate inductive steps?


How do I add numbers in a different order?

What's the best way to do a backwards loop in C/C#/C++?


Material not showing up in Material (or Rendered) View Mode

Add different materials to different parts of a mesh?


Background in Motion Tracking isnt shown when rendered

Background Video is shown in Rendered mode but not when szene is rendered


take numeric value without label in line, regex

What special characters must be escaped in regular expressions?


Do you get notifications during suspension?

Can suspended users post comments? Get notifications? What happens to their reputation?


Android-app renders posts with huge vertical gaps

Incorrect whitespaces or list item size in Android SE app


Terraria: Witch Doctor not spawning despite me killing the Queen Bee (in a friend's duplicate server of my world)


Product of all elements in an odd finite abelian group is 1


Delimiter for comments in text citations in biblatex


A function satisfies the equation $f(x+y) = f(x) f(y)$. Show that $f(x)$ is differentiable at all $x$, and determine its $f'(x)$ in terms of $f(x)$.

If $f\colon \mathbb{R} \to \mathbb{R}$ is such that $f(x+y)=f(x)f(y)$ and $f'(0)$ exists, then $f$ is differentiable on $\mathbb R$


Person who pretends to not understand unless one speaks in exactly the words they expect

What is a negative word to describe people that love showing off their knowledge?


java.lang.NullPointerException: Location is required

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


Use an array as a comparison in a WHERE query

Convert an array of integers for use in a SQL "IN" clause


Should I get a letter of recommendation from my mother, who is a famous researcher in my field?


Why does the pitch of an ice cube hitting against the side of a glass increase as the glass empties?

How and why does the height of water in a glass affect it's resonance? (resonant frequency)


Using fixed space aroung headings to get text in sync with baseline grid


A question about eigenvalues of $5\times5$ matrix


Devil damage resistance: is silver and magical in "or" or "and" relation?

What does "...from nonmagical attacks not made with silvered weapons" mean?


Why can't I ping more than one user at once?


Python module "cx_Oracle" module could not be found


If $\sum_{n=1}^{\infty} a_n^{2}$ converges, then so does $\sum_{n=1}^{\infty} \frac {a_n}{n}$


Strange behavior when using brackets in aligned environment

Environment aligned doesn't output first part in bracket


In .NET Core C#, how do I parse this Date string: 'Jun 3, 2021 4:36:56 PM EDT'

Parse DateTime with time zone of form PST/CEST/UTC/etc


How to make a sprite jump up and return to original position?

How to make a sprite jump up and then return to original position android java


What does the [Flags] Enum Attribute mean in C#?


\chapter* with a titletoc entry and a running head


How do I tell Chrome's Translator to ignore certain elements?

How can I tell Google Translate to not translate a section of a website?


Is Software-Engineering beyond the scope of StackOverflow?

Which computer science / programming Stack Exchange sites do I post on?


Is it possible (and usually done) to create such grainy effect in Illustrator?

How to get a construction paper look in photoshop or illustrator


How to evaluate this (Fourier) integral?

($n$-dimensional) Inverse Fourier transform of $\frac{1}{\| \mathbf{\omega} \|^{2\alpha}}$


Screen turns off new install of 14.04 help

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


New terminal with command and continue using it

How to run xfce-terminal with different commands per tab and keep using the tabs after the commands have returned?


JSoup displays java.lang.NullPointerException when trying to extract text

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


How to convert space separated text to lines in Bash

Replace all whitespace with a line break/paragraph mark to make a word list


Mysql SELECT IN clause with Python tuple

imploding a list for use in a python MySQLDB IN clause


CSS Different between (max-width:320px) and (max-device-width:320px)

What is the difference between max-device-width and max-width for mobile web?


How do "Muggles in Laws" or "associated Muggles", such as Hermione's parents, keep the Wizarding world secret so well?

Why are some muggles allowed to know of the magical world?


How do enzymes use quantum tunneling (also, please use relatively simple vocabulary)?

How are our enzymes able to perform quantum tunnelling?


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


How to handle StreamCorruptedException when using ObjectInputStream?

StreamCorruptedException: invalid type code: AC


Do not rearrange my desktops on change window focus


How do I test a private function or a class that has private methods, fields or inner classes?


Ubuntu Instalation on VirtualBox - Problems: instalation freezes, or cannot be finished

"errno 5 - input/output error" when trying to install Ubuntu


A decomposition associated with a self-adjoint isometry

Prove that every self-adjoint unitary linear operator can be expressed in the form $U\alpha = \beta - \gamma$


Strange output from exif tiff data, degrees decimal mins

How to parse EXIF GPS information to lat,lng decimal numbers


How can I print 0x0a instead of 0xa using cout?


What will be the domain of this tetration tower?

Does the infinite power tower converge for all $0<x<1$


Maximal element of a subset of ideals is often prime


How does Susskind get this fourth equation?

How to get the fourth component of EOM in a relativistic formulation of a charged particle in an electromagnetic field?


How to typeset asymmetrical confidence level limits / uncertainties with amsmath?

How to typeset asymmetrical confidence level limits / uncertainties?


Open a sub-directory using something rather than its name

Short-cut for switching to a given directory


Print a list that contains Chinese characters in Python


Get the shift based on entry time in php

How do I get the current date and time in PHP?


How can two convergent series be multiplied to construct a series that diverges?

If series of terms $a_j, b_j$ are convergent, must $\sum_j^\infty a_j b_j$ be convergent?


The email_from in Django send_mail function not working

How to change from-address when using gmail smtp server


Energy cancellation during superposition, why not? String waves

Why do travelling waves continue after amplitude sum = 0?


Messed up my Downloads folder. How to get it back?

Accidentally deleted the Downloads folder, a windows "Special Folder", how to restore?


Should we really be suggesting that people put the answer in the question?

Clarify the "8 hour delay" self-answer message to discourage self-answering with edits or comments


regular expression to parse URLs to links, but only if they are not links yet


Less equal check of double values in C++


Colon character ":" in some file names under Windows 7

How do I access folders created on Ubuntu with Windows?


$ \sum_{b=1}^{n} \left\lfloor\frac{n}{b} \right\rfloor $

How do I evaluate this sum(involving the floor function)?


Verification of $\lim_{n \rightarrow \infty} \sqrt[n]{n^3}=1$

Proof of $\lim_{n\to \infty} \sqrt[n]{n}=1$


How to get client MAC address in java servlet?

how to get a client's MAC address from HttpServlet?


How to remove an object from and object array in javascript

How do I remove a property from a JavaScript object?


prove that the product of 4 consecutive positive integers is divisible by 24


Is there a workaround to make CSS classes with names that start with numbers valid?

Which characters are valid in CSS class names/selectors?


How to set up a cronjob that runs on the last sunday of each month?


How to shrink an Ubuntu 14.04 partition, without losing data?

How can I resize an ext root partition at runtime?


How to deal with a figure that is really a table?


how to select a substring that starts with x and ends with y through multilines and replace it

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


Cannot update member variable of outer class while using AsyncTask

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


Why modifying a string with different ways have different behaviors?

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


Can any one tell me how to crash tomcat deliberately with java out of heap exception

How to make OutOfMemoryError occur on Linux JVM 64bit


Scheduling a team based activity with 10 different teams and X different games. Every team must meet each other ONCE but never twice,


Prove that if $3\mid(a^2+b^2)$,then $3\mid a$ and $ 3\mid b$


What's the C++ version of Java's ArrayList


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


Pros and cons of using Individual domains vs Subdomains?

Registering multiple domains vs. subdomains


$\neg (\neg A) \rightarrow A$ part of the axioms of propositional logic?

help with some Hilbert style proofs in a propositional logic axiom system.


Does a bounty stay with a question if it is migrated

What happens to a bounty question if it gets migrated?


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


$z\overline{w}\ne 1 $ Prove that $|\frac{w-z}{1-\overline{w}z}|\le 1|$ if $|z|\le 1$ and $|w|\le 1 $


How to get relative path from absolute path


JAVASCRIPT validator is not working properly

Number of days between two dates in ISO8601 date format


Standard library sort and user defined types


How does someone get to cast more than 40 votes in a day?


How to register a property group in blender 2.8


GRUB2 does not show Windows 8 option to boot into after Dual Boot


Parse JSON and store data in Python Class


Step to step guide how to use 32bit version of Java in Eclipse


integrate $dx/(a^2 \cos^2x+b^2 \sin^2x)^2$


I'm trying to figure out how to export my blender object to unity while maintaining all of its properties

.fbx export why there are no materials or textures?


want to switch from ubuntu 14.04 to windows7 using usb

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


Recursive feature elimination and dropping dummy features

Recursive feature elimination and one-hot & dummy encoding?


Find the limit of $\log\Big(\frac{(n^2+n)!}{n^2!n^{2n}}\Big)$


Google Maps Javascript and working with Polygons crossing +/-180 meridian


My progam crashes when using custom dialog

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


How to pass URL with parameter, as a parameter?

URL as URL's get parameters - problem with "&"


Get individual pixel values on a raster image using gdal and python

Getting pixel value of GDAL raster under OGR point without NumPy?


Should I use log transformation for my multiple regression?


Simple calculation on coordinate transformation of Lagrangian (Qualls' CFT lecture note)


Polynomial irreducible $\implies $ "Reverse" polynomial irreducible

Irreducibility of reciprocal polynomials


Solving the diophantine equation $y^{2}=x^{3}-2$


Is there any way to force Git into treating it as a file move? (delete and move)

How to make git mark a deleted and a new file as a file move?


Changing the first letter after ] to uppercase

How to make the first character following a semicolon uppercase, for each line of a text file, using terminal


Is $(\mathbb R^2,+,\cdot )$ a field where $(a,b)\cdot (c,d)=(ac-bd, ad+bc)$?


What do the numbers next to the flame represent?


MTG: Indestructible creature with both damage and -1/-1 counters

Can I kill an indestructible creature with -X/-X and sufficient damage marked on it?


Why: a relative adverb, a conjunction ... or both?


Chrome: remove URL from autocomplete which doesn't show up in history?

How to remove an entry from Chrome's Remembered URLs from the url bar?


How to list directories with particular depth?


Express $\int \tan^n(x)dx$ in terms of $\int \tan^{n-2}(x)dx$.

Reduction formula for $\int \tan^n x dx$


Div is not centered when setting the width to 50%


Unable to remove languages from Region & Language on windows 10

Windows 10 April 2018 Update added an extra Language and I cannot remove it


Renaming multiple files at the same time

How do I easily rename multiple files using command line?


How to make variable be taken into account

Pass shell variable as a /pattern/ to awk


XSession errors filling up my disk space

.cache/upstart/Unity7.log growing to consume the entire free disk space. Python cypto suspected


Ubuntu 18.04.1 LTS issue with Dell Thunderbolt 3 Dock after update

After most recent kernel update (4.15.0-44-generic) my tablet freezes whenever plugged into docking station


What is a less controversial name for the clothing item known as a "wife-beater" in the United States?

What's the origin of "wife-beater" when used as a sleeveless shirt and why is it not frowned upon?


Wine Errors in Ubuntu 12.10 driving me crazy


How do I remove a MATLAB program running on Ubuntu 14.04


Can undigested food proteins enter the bloodstream?

Can proteins/peptides pass through the intestine?


Indexing trouble in Google after HTTPs conversion and traffic decline

Huge drop [50%] in traffic after HTTPS move


How to show a Splash Screen until a program loads Completely in Winforms?

How to build splash screen in windows forms application?


How can I find out what is taking up space on my hard drive?

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


On Windows 7, how can I identify any folders that contain files that have not been updated in x years?

How do I delete folders and files that were older than 7 days on the command line?


Is there an English sentence 'equation' I can use?


Sorting author index made using biblatex, removing letter group headings


How can I find the limit of the series $\sum^{\infty}_{n=0} \frac {(-1)^n 2^{-n} x^{2n+1}} {n!}$?

How can I find the radius of convergence $R$ of the power series $\sum^{\infty}_{n=0} \frac {(-1)^n 2^{-n} z^{2n+1}} {n!}$?


I need to print an image at a certain size. What dimensions and resolution should I use?


convert multiple columns as single row with appreciated data

How to convert multiple duplicate columns as single row with appreciated values


What is the maximum convergent $x$ in the power tower $x^{x^{x^{x\cdots}}}$?


Dynamically creating variables by need in python

How can you dynamically create variables via a while loop?


Can I declare a capital loss on a vehicle sale?

If I take a loss when I sell my car, can I claim a capital loss deduction on my income tax return?


Alternative ways to make ajax requests in wordpress

Adding admin-ajax.php to the frontend. Good or bad idea?


Can't select reputation graph date range in Chrome

Select an area in rep graph not working on Chrome


Interpretation of the expiry date on a Schengen visa


Why does Excel not auto-update my equations anymore?


Why am I getting 'void android.view.inputmethod.InputConnection.closeConnection()' on a null object reference?

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


handling touch event with nested elements?

How to stop event bubbling on checkbox click


In the working world what's the global standard for structuring functions?

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