Fresh Ubuntu 20.04 installation won't boot after GRUB and stuck in boot loop

Boot problem after hanging and manual power off ( Stopping User Manager for UID 121... )


Bootstrap row with columns of different height


Remove directories sequentially vs. simultaenously in background

What's the fastest way to remove all files & subfolders in a directory?


Returning only 1 row that meets some criteria


Rationale behind 'warning: array subscript is of type 'char''?


Why are nonsquare matrices not invertible?


Software updater warning: requires installation of untrusted packages

"Require Installation Of Untrusted Packages" while upgrading with the update manager


verify method call for generic method with expression

How do I use Moq to mock an extension method?


Sending in comma delimited values to WHERE clause in oracle stored procedure

Oracle stored procedure with parameters for IN clause


how can i change the blend mode to alpha in 2.79


Windows (7, 8, 10) - Is a clean install better than an upgrade and if so why? (be specific)


Which textbook of differential geometry will introduce conformal transformation?

Reading list and book recommendation on Conformal Field Theory


Shell Script Syntax Error: Unexpected End of File

Bash syntax error: unexpected end of file


Can Blindsight "See" Through Walls, Floors, And Ceilings?


Accessing root files on Ubuntu Phone from my eOS based on Ubuntu.


Connecting to existing terminal from iPhone to Ubunutu desktop

How to keep processes running after ending ssh session?


Fantasy Short Story that appeared in an anthology about 1968-1971


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


Execute function only once in a infinite loop on blender game engine?


Is there any way to see how much data I sent via Internet?


Can an Medium Enlarged PC pick up and wield a Large Weapon?

If someone has Reduce/Enlarge Person cast on them, does equipment picked up later (after the initial casting) resize?


All Methods of Class Throw Same Exceptions

How can I throw an exception for the whole class instead of doing it method by method


Sort vector of int from Highest to Lowest


On the surface, is the law of maximum entropy production analogous to the principle of least action?

Entropy and the principle of least action


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


Adding an identity to an existing column


Why shouldn't I care what model/make/year my bicycle is?


Editing gsettings; add icon to launcher by command

Adding my launcher to the Unity Launcher automatically. How?


How to vertically centred an image inside a floating div

How can I vertically align elements in a div?


What resolution images could I use for posters on the wall?

I need to print an image at a certain size. What dimensions and resolution should I use?


Fresh install ubuntu but Error Loading to Desktop GUI, using 12 AMD RX 570

How to fix "The system is running in low-graphics mode" error?


Difference between logit and probit models


Would Starlord be able to hold an Infinity Stone as long as he did after the events of GotG2?

What is Peter Quill's status after Guardians of the Galaxy Vol. 2?


If $G \times G \cong H \times H$ must $G \cong H$?

Does $G\oplus G \cong H\oplus H$ imply $G\cong H$ in general?


What is the best way to save Iphone user data in a server?


Target Unreachable, identifier resolved to null in JSF 2.2

Identifying and solving javax.el.PropertyNotFoundException: Target Unreachable


python automatically adding numbers after decimal


What's the cleanest way to set up an enumeration in Python?

How can I represent an 'Enum' in Python?


C: goto, pointer cast and "jump into scope of identifier with variably modified type"

C : stack memory, goto and "jump into scope of identifier with variably modified type",


Please Help, I need the answer in 10 hours

If I wanted to say, "There are three twos in the English language," would "twos" be the correct spelling?


How to get the ISO time in 3 days with javascript?


Merge two pdf to one with their pages merged alternatively


How to delete "Program Files" folder in Windows 7


Not sure how to evaluate $\lim_{x\to 0}\frac{\sin6x}{\sin2x}$ (without l'Hospital)

Evaluate $\lim_{x\rightarrow 0} \frac{\sin (6x)}{\sin(2x)}$ without L'Hopital


In a try-catch block, does "finally" override "return" in the exception block?

Does a finally block always get executed in Java?


Can I recall and update an Added entity in Entity Framework that has not yet been saved to the database?

Entity Framework: Re-finding objects recently added to context


Get the day of the week from a date using Jquery?

Use jQuery/JS to determine the DAY OF WEEK


Is it safe to implement a split power supply from two identical AC/DC adapters?

Connecting two DC wallwarts in series - to produce dual DC supply


Proving that $(x_n)_{n=1}^{\infty}$ is a Cauchy sequence.


What CSS do you use to style a table CELL?


Overlapping periods of several Schengen visa

Do I have to leave the Schengen area if I have a short term (C) visa that will expire right before my National Visa (D) officially starts?


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


Is this a cheap Chinese fuse or a current shunt?


How can I support multiresolution in cocos2d Android?

Cocos2d for android supporting different resolutions


Difference between bandwidth and actual speed ?

Converting bandwidth: Bps-Bytes/s MBit-MB


What short story from the 1960s is about future where there are no printed books

Story about kids and book that tells about good old times in schools


How can I '\input' a file without getting the implicit newline?


Movie where aliens or cyborgs were searching for the hero who is locked in a police cell

SciFi/Horror movie featuring alien city landing in a US desert, forshadowed by cave paintings


How to increase swap size when there is already a partition existing


Let $R$ be a commutative ring with $1\neq 0$. Prove that if every proper ideal of $R$ is prime, then $R$ is a field.

A commutative ring whose all proper ideals are prime is a field.


How would I use apostrophe for nonplurals?

What is the correct possessive for nouns ending in "‑s"?


how did these things end in their climactic location?

How did this person gain possession of the Infinity Stones?


How to promote the "include script with your question" to newcomers

Encourage Questions to Include Code Samples


String concatenation in EL for dynamic ResourceBundle key


python: recursive check to determine whether string is a palindrome


Fan voltage fluctuating with potentiometer

Potentiometer for two 12V/1.1A fans in parallel


django json serializer does not implement geojson

Rendering spatial data of GeoQuerySet in a custom view on GeoDjango


Excel 2007 doesn't preserve asian characters when converting to csv

Excel destroying special character when saved as CSV


What is the best way of using Arrays.asList() to initialize a List

Difference between Arrays.asList(array) and new ArrayList(Arrays.asList(array))


Number of ways to connect sets of k vertices in a perfect n-gon

Number of ways to connect sets of $k$ dots in a perfect $n$-gon


Does Ubuntu support my notebook hardware?


What is the use of zigzag pattern on PCB board


When does CR become an issue in the absence of magic items?

How to balance a very-low magic campaign


Solve: if $\tan (a+b-c)/\tan (a-b+c)=\tan(c)/\tan(b) $, prove that $\sin 2a + \sin 2b + \sin 2c = 0$

If $\frac{\tan(a+b-c)}{\tan(a-b+c)}=\frac{\tan c}{\tan b}$, then $\sin(b-c)=0$ or $\sin 2a + \sin2b + \sin 2c=0$


File format of an $2048$ bits RSA public key


Disable Autosave when taking screenshot on UBUNTU 18.04

How do I make my screenshot ask me what to do next every time?


How to decrease the motor Speed without losing the maximum Torque


How do I know which software downloads to trust?

Which Ubuntu repositories are totally safe and free from malware?


How to validate a specific format phone number?

How to validate phone numbers using regex


Does HTML5  playback support the .avi format?


Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception NullPointerException

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


Cutting text from comments does not put text on the clipboard

How can I report bugs with or request features for the Stack Exchange mobile apps?


How to install HPLIP on my Ubuntu to support my HP printer and/or scanner?


Transfering already installed steam games onto another drive

How can I move an installed game from one Steam library folder to another?


Virtualbox not able to run VMs. Kernel driver not installed

How to fix 'modprobe vboxdrv' error in virtualBox?


How to copy vertex groups from duplicate meshes

How do I copy vertex groups from one object to another?


Reduce Classification Probability Threshold


What is the easiest way to disable the touch pad on a laptop?


How to make maps in QGIS or Openstreetmap, etc. to wrap around a physical sphere?

Projecting a world map on 6 segments to print on ball


What is the point of creating a typedef of an anonymous structure?

Why should we typedef a struct so often in C?


How to set up passwordless SSH access for root user

How to avoid being prompted for a password by sudo?


I appear to be completely invisible on google despite their search console claiming that I am indexed

Why aren't search engines indexing my content?


How do I adjust for covariates using Kruskal Wallis in SPSS?

What is the non-parametric equivalent of a two-way ANOVA that can include interactions?


Lock-screen to take a picture after incorrect password

Can I make the webcam take a picture when an incorrect password is entered?


How do I search an SQL Server database for a string?


Why can't I assign a new value to "this" in a prototype function?


Is the electronic structure of an atom with two or more electrons solvable analytically?

Why can't the Schrödinger equation be solved exactly for multi-electron atoms? Does some solution exist even in principle?


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


Rails: How do I create a default value for attributes in Rails activerecord's model?

Rails: How can I set default values in ActiveRecord?


Why does the characteristic of a finite field always have to be prime?

Characteristic of a field is $0$ or prime


Getting a FileNotFoundException if not running from Eclipse

How do I read a resource file from a Java jar file?


How to remove this leftover from pantheon desktop?

How do I purge Pantheon desktop?/Why does this window appear?


Evolutionary explanation for hypoxia causing euphoria?

Why do some bad traits evolve, and good ones don't?


How to determine how much time a command takes to finish?

How can I measure the execution time of a terminal process?


Calculating Time Complexity of Nested Loops


What is the difference between Pearson's correlation coefficients and the correlations in linear regression analysis?

Similarities and differences between correlation and regression


How do you choose an open-source license?


How is conservation of momentum preserved in antimatter annihilation?

4-Momentum conservation for particle annihilation


How do I make apt-get install less noisy?


How can I remove Gnome Desktop Environment without messing Unity DE? (Ubuntu 16.04)


How to reduce the file size of all the photos in a folder

JPG batch compression & rename (find -exec, xargs, piping?)


TableView like the Contacts app in the iPhone


How to link dataframes in ArcGIS or QGIS?


why is this showing me a null pointer exception?

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


Show that the Hausdorff topology is unique in a finite set $X$


What is the scope of variables in JavaScript?


How do you set the camera to send gray scale images?

Set android camera to send gray scale images


How to determine if iOS hardware has GPS

How can I tell if an iOS device has a GPS?


How can I maintain control of the this keyword when extending prototypes in jQuery?

How to access the correct `this` inside a callback?


Removing summoned ender dragon (Minecraft.)

How do I remove a summoned Ender Dragon with no AI?


Integrating $I=\int_0^1 \ln x \space\cdot\ln(1-x)\space dx$


What would it take to evolve regex into something that can parse HTML?

What to do Regular expression pattern doesn't match anywhere in string?


statement.executeQuery( ) returns nullpointer exception for Netbeans but works fine for Intellij Idea


Can only move object origin in object mode, cant move the mesh


Are there any racial differences in Starbound?

What is different about the different races?


How do RPG games like Titan Quest, Diablo, WoW or similiar ones handle XP distribution?

How to balance experience gain in an RPG


[error]Using interface send callback from AsyncTask in android studio doesn't work

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


ParallelTable much slower than Table on RandomReal with arbitrary precision

Transferring a large amount of data in parallel calculations


How to keep track on network usage for long time in system monitor


set font-weight as normal after visit for h2

Why doesn't this a:visited css style work?


Calculate required toroidal core size(Cross section area) for transformer


How to use anonymous type returned from a method


Why doesn't the definition of a category require an explicit notion of morphisms equality?


Why was bounty not awarded automatically in this case?

Bounty not awarded after the end of the grace period?


is Authentication tag always appended at last to ciphertext in AES-GCM 256?

Where is the authentication tag stored in file encrypted using AES-GCM?


How to convert this string as date object in Python?

How do I parse an ISO 8601-formatted date?


data.table::fread doesn't like missing values in first column


In C what is the difference between a normal array and an array created with malloc?

Difference between static memory allocation and dynamic memory allocation


How to setup proxy authentication in the Debian shell?


Issues with auto updating IMPORTXML (google sheets)

Import XML intermittently doesnt work but sometimes does on Google Sheets (currencies/shares etc)..Image attached


How to obtain "\ " instead " " after a sed substitution?

How to ensure that string interpolated into `sed` substitution escapes all metachars


How to do to make Evince open multiple pdf document in tabs and not separately?

Is there a pdf viewer capable of opening multiple documents in the same window?


How to access deleted question via data explorer?

Can some metadata about deleted posts be included in Data.SE?


Consider the matrix of the transformation

Find the standard matrix for a linear transformation


Phone companies in Instabul for Travelers

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


Is most of the human genome functionless “junk DNA”?


Transit in Denmark with a D visa issued by Norwegian Embassy

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


How to run a command block in the main shell?

What is the difference between the Bash operators [[ vs [ vs ( vs ((?


Schengen visa approved, cancelled UAE permit

I have a Schengen visa but my UAE Residence visa cancelled. Can I still travel then?


How do I animate texture mapping on a model?


When to use "use" and when to use "utilize" in a sentence?


Adding new field conditioned by analysis that regards other layers

Spatially joining polygon fields onto point layer in QGIS?


Does this probability paradox have a name?

Multiple-choice question about the probability of a random answer to itself being correct


Get all attributes of an element using jQuery


Which one is better for outdoor portraits Nikon DX NIKKOR 55-200MM F/4-5.6G VRII or 35mm f1.8?

How can I maximize the "blurry background, sharp subject" (bokeh) effect?


What does size of a directory mean in output of 'ls -l' command?


How do I get permissions to edit system configuration files?


Why are my plots displaying behind the axes?


Why are two O(N) methods regarded as O(N)?

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


Can we remove the "helpful" dialog for Community ♦ flags?

Stop asking me if Community auto-flags were helpful


jQuery find events handlers registered with an object


Linear Mixed Model using R - what is the syntax when there are within-subject variables of both fixed and random nature?

Linear mixed model in R; modelling fixed effects with multiple levels and interactions. Help!


Clarification on Rayleigh scattering causing various sky colors


dell streak mini 5 upgrade os to v3 or above


Why does list.append evaluate to false in a boolean context?

Why does append() always return None in Python?


How do I install OpenStack on a minimal machine set for testing and development?


What is the most standard way of ignoring output from a python's function?


Are the important factors given by gradient boost more arbitrary compared to random forest

Why do Random forest and XGBoost gives different importance weight on the same set of features?


Site logo issue in international Stack Overflow site's profile page for anonymous users

Site name gets cropped while looking at user profiles on international Stack Overflow sites


Why does the windshield of my car freeze even if the outside temperature is above freezing?

Why does ice form on bridges even if the temperature is above freezing?


Bash 'unbound variable' error when variables are referenced in multiline comment (set -u)

passing and setting variables in a heredoc


get the value of a record in lightning component (switch between 2 components)

Lightning component : Get the id of a record


If unit A attacks unit B (which was attacking unit C) does the attack on B by A stop the attack on C by B?

Diplomacy Attacking a Territory as they move


How to change field value before view sorting

How to sort a view using values not stored in the database


How to prove that any (integer)$^{1/n}$ that isn't an integer, is irrational?

How to prove: if $a,b \in \mathbb N$, then $a^{1/b}$ is an integer or an irrational number?


Limit of integrals of sequence of measurable functions

Does convergence in $L^p$ imply convergence almost everywhere?


Best way to randomize an array with .NET


Ember property observing objects object-attribute

Ember-data: How do I get an aggregated list of models in a collection on a different collection (@each not working)


Prove that $\sum_{i = n - b}^{a - m} {a - i \choose m}{b + i \choose n} = {a + b + 1 \choose m + n + 1}$


What exactly are quantum numbers and how do we obtain them?

Schrödinger's equation relation to quantum numbers


Books like "Jeux de l'esprit et divertissements mathématiques"

Good Mathematical Puzzle Book for Couples


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


One pages get indented, the others don't

When using a book class (memoir), text shifts from left to right on each page


Session factory configuration through application context, connection initialized but session factory always points to null

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


How should I calculate $\int_0^\infty e^{-\frac{1}{2}(x^2+a^2/x^2)}\,dx$

How to evaluate $\int_{0}^{\infty}\exp(-x^2-1/x^2)dx$?


Changing precision of numeric column in Oracle


How to skip hidden files/folders using Objective-C

Why is NSDirectoryEnumerator picking up hidden files here?


backspace key is not detecting in textwatcher

Android EditText delete(backspace) key event


How to capture rays of light in a photograph using a DSLR camera

How can I get photos showing the "shaft of light" effect?


Including jQuery in Microsoft Dynamics CRM 2011


How to solve the equation $\phi(n) = k$?


As a module developer, how do I handle outputting user defined strings with regards to translatability?

How can I translate config entity fields?


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


Counting the number of integer solutions to a simple equation

extended stars-and-bars problem(where the upper limit of the variable is bounded)


How can I typeset code region comments to the left of an algorithm?


Installing Ubuntu 12.04LTS on WD Hard-drive: \ubuntu\winboot\wubildr.mbr Missing Error?


Standard library sort and user defined types


Cannot access web server at my house when I share an external IP


What do I if I used "Reset All" or "Erase All Content and Settings" on a jailbroken iOS Device?


how to use JSON has and isNull method in java?

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


How to find the sum of series $\sum_{i=1}^{\infty}\frac{i}{2^i}$?

A simple series $\sum_{i=1}^\infty \frac{i}{2^i} = 2$


How can I browse the unresolved references?


Clocks for multiple timezones in GNOME Shell


Notify when event from another class is triggered

How to raise an event on Property Change?


endfloat and \newcommand incompatibility

Conflict between endfloat and figure floats included via macro


Choosing correct contour for $\int_{-\infty}^{\infty}\frac{x-\sin x}{x^3}\,dx$

Contour method to show that $\int_0^\infty\frac{x-\sin x}{x^3} \, dx=\frac\pi4$


can we create static class in Java web application?

Why are you not able to declare a class as static in Java?


newly created user with sudo privilege is saying command not found


User-defined Distance Functions with extra parameters

Using several anonymous functions mixed together


Early Modern English: Shakespearean Insult

What is a less offensive synonym for "retarded"?


Recursively change file extensions in Bash

How do I rename the extension for a bunch of files?


Biblatex/biber fails with a strange error about missing recode_data.xml file


Asynchronous file upload (AJAX file upload) using jsp and javascript


Event binding on dynamically created elements?


Why don't we see this special progressive 3x5 gear setup being offered?

Closely spaced nonoverlapping 36 (2x12x2) gears borrowing from music theory. Good idea?


Sources of information about flight times and delays

Historical flight data outside of the USA?


What can cause segmentation faults in C++?


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


Why circling around blackhole slows the time? In easy language

How exactly does time slow down near a black hole?


Need to add a Period (dot) after Section Number

How to add a dot after the section number?


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


word for six-month period.....not as an adjective or as an associated adverb, but as an affirmed set word

What is a word that means "a span of six months"?


How to run a specific Android app using Terminal?

How to start an application using android ADB tools?


Insert or edit single column into existing LaTeX table

Methods to edit column order in an existing LaTeX table?


Why does this Java class give a stack overflow exception?


Ideals in $\mathbb{Z}[X]$ with three generators (and not with two)

Construct ideals in $\mathbb Z[x]$ with a given least number of generators


How to get Lissajous curve like the following gif

Hightlight all the self-intersections of a Lissajous figure


libc6:i386 : Depends: libgcc1:i386 but it is not going to be installed

How do I resolve unmet dependencies after adding a PPA?


java.lang.StringIndexOutOfBoundsException: String index out of range: -1 at com.sun.faces.renderkit.ServerSideStateHelper.getState


Using OpenStreetMap in Bing Maps WPF Controlv 1.0


Proof the golden ratio with the limit of Fibonacci sequence

How to prove that $\lim \limits_{n\rightarrow \infty} \frac{F_{n+1}}{F_n}=\frac{\sqrt{5}+1}{2}$


openSSL 1.1.1 security bug CVE-2020-1971

How can I tell if a CVE has been fixed in Ubuntu's repositories?


Replacements for switch statement in Python?


How to define a global function in scala?


Isomorphism between Projective Varieties

$\mathbb P^n\times \mathbb P^m\not\cong \mathbb P^{m+n}$


insuffient dont have enough space on my sd card

How to solve "insufficent space on the device" error on Samsung Captivate


Seeking Normalize class equivalent in Apex


How do the dimensions of an "infinite" bar of chocolate change?

How come $32.5 = 31.5$? (The "Missing Square" puzzle.)


for (var key in object) in CoffeeScript?

How to use Javascript's for (attr in this) with Coffeescript


How to install "Killer E2400 Gigabit Ethernet Controller" without internet connection on Ubuntu 14.04

Is there any way to install Atheros e2400 drivers?


how to capture return status of each command from a Shell script with multiple commands


Determine whether $\sum_{n=1}^{\infty}\frac{(-1)^n}{n \log^2(n+1)}$ converges absolutely or conditionally.

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


What is "summoning sickness" and how does it affect my creatures?


C++ : Undefined reference in Map::insert

Undefined reference to static class member


How do I parse a string to a float or int?


How to declare 8-bit unsigned integer in ruby?


Why are First Order Stormtroopers not clones anymore?

What canon evidence is there that Stormtroopers are/are not still clones?


Event binding on dynamically created elements?


can single xml file be linked to multiple java classes?

android multiple activity declaration in manifest


LaTeX baffled by BOM---Unicode's byte order mark.


Use Page Object vs other models for Automation in Selenium Webdriver?

Page Object Model or External property file for Selenium Object Repository


How to detect network disconnection from client side(JAVA)


NullPointerException when trying to Filter JTable

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


How to get the new location of an object after a lattice deform?

How do I get a mesh data-block with modifiers and shape keys applied in Blender 2.8?


Why can't I see the bottom of my F3 thing in minecraft


using FORFILES in batch to delete tmp and bak files older than a week


What GUI applications are there to assist in generating graphics for TeX?


NPN low transistor voltage in emitter despite high voltage collector

Why would one drive LEDs with a common emitter?


Isomorphic quotient modules implies equal submodules?

Isomorphism of quotient modules implies isomorphism of submodules?


Doubts in understanding the instantaneous velocity


Where to ask a question about future version numbers of Clang vs. Apple Clang?

Give each site a parallel site for polling, recommendations and subjective-ish stuff


Regular Expression To Validate Email Address

How to validate an email address using a regular expression?


Animated Spherical Pendulum - animated plot wiggles


Connection from Gatwick airport to Paddington station

How to get from Gatwick airport to Paddington?


(Single Day - Peak) Dedicated Server Requirements for CDN Set-ups

Can you help me with my capacity planning?


Find path of a package (e.g. pandas) in Python


Prove: $a\equiv b\pmod{n} \implies \gcd(a,n)=\gcd(b,n)$

Show that if $a \equiv b \pmod n$, $\gcd(a,n)=\gcd(b,n)$


Remote login with graphical display manager (GDM, LightDM)


Find number in sorted matrix (Rows n Columns) in O(log n)

How do I search for a number in a 2d array sorted left to right and top to bottom?


Is it possible to synchronize userscripts between Google Chrome installations?

How can I share Tampermonkey scripts between versions of Chrome?


What if I have a voltage between ground neutral?

What does it mean when there is a voltage difference between ground and neutral?


Downloading shapefile from geoserver after applying CQL filter?

Passing Filter Parameters to GeoServer WFS via URL?


MacBook Pro flashing folder, start up hard drive not showing in Disk Utility


How does the Hamiltonian change if $L\to L + \frac{dF}{dt}$?

Invariance of canonical Hamiltonian equation when adding the total time derivative of a function of $q_i$ and $t$ to the Lagrangian


Why do I get this "Context = NullPointerException" error in my homework?

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


how to get the stated behaviour for awk's system() command?

Make bash exit != 0 when called by AWK and interrupted with ^C


Remapping serial ports in 14.04 using udev rules not working?


Is it possible to inset both faces either side of a mirror line together?

How to inset near a mesh boundary without creating new border faces?


How to calculate properties of voltage regulation circuits

When would I use a voltage regulator vs voltage divider?


Meaning of new Class(...){{...}} initialization idiom

What is Double Brace initialization in Java?


Is there any way to increase the drop rate of items?


Can I do anything about a Nikon d750 taking 5 minutes to power on after taking saltwater damage?


How to check if a string starts with ' " ' (double quotes)?

Regex for quoted string with escaping quotes


Checking if two geometric distributions have the same mean

Hypothesis testing with the geometric distribution for dummies


Integral of $\tan^{-1}(\sin(x))$ from $0$ to $\frac{\pi}{2}$ without dilogarithms

Evaluating a sum involving binomial coefficient in denominator


link errors in XCode when defining a C++ class that inherits from a templated class

Why can templates only be implemented in the header file?


Difference between string object and string literal

What is the difference between "text" and new String("text")?


Failed to load map. Error contacting Google servers issue with android google maps api v2

Failed to load map. Error contacting Google servers. This is probably an authentication issue


How do I get Steam Indie Games to run under Linux or even a Mac?

How do you get your Steam games to run on Ubuntu through Wine or something similar?


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


How do I get invoke_props_popup to work?


Wheel doing work against gravitational energy

Work done by a homogeneous gravitational field on a system of particles


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


Indentation inside algorithmic environment

How to wrap lines correctly inside algorithmic


Assigning global variables using functions in Python

Python function attributes - uses and abuses


Similarity measure between training and testing loss to identify overfitting

How to Identify Overfitting in Convolutional Neural network?


How to align two or more groups of equations across \items in an enumerated environment?

Aligning equations, splitted in an enumeration


Which Ubuntu distribution should I install on my PC

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


Can't format/erase a partition on usb stick

I can't format my live-USB pendrive (udisks-error-quark, 11)


How will several Cs and one F affect my chances of gettting into a PhD program?

How does the admissions process work for Ph.D. programs in the US, particularly for weak or borderline students?


jQuery's jquery-1.10.2.min.map is triggering a 404 (Not Found)


Cron job is running but not executing entire script

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


90s live action TV show about college kids who become fighting robots in a virtual reality

TV Series from the mid-nineties where kids go into a computer


How to make a script which always activates on the startup?


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


Creating an Elimination Matrix with strikethrough rows/columns

Striking out matrix lines and columns: is Tikz the only way?


What is C++ global variables usage risk vs. C?


Repeating the same footnote reference on different pages for biblatex-gost footnote style


Can a script modify an environment variable of its calling shell?

BASH script to set environment variables not working


How do I put c++ class template member functions in a cpp file if they don't use template arguments?

Why can templates only be implemented in the header file?


Creating centerline from lines using QGIS


What are differences between, and best purposes of, DROP, TRUNCATE, and DELETE? Can they be rolled back?

What's the difference between TRUNCATE and DELETE in SQL


How many Stack Exchange sites are there really?

How many Stack Exchange sites are there?


Book details, girl from planet of beautiful people meets an earthman in a wheelchair


Adding a value into a table view (JavaFx)


Get CSS value even after it's been changed by JavaScript

How do I retrieve an HTML element's actual width and height?


How can I record a physics animation in the BGE


Smallest $n$ such that $U(n)$ contains a subgroup isomorphic to $\mathbb Z_5 \oplus \mathbb Z_5$

Subgroups of $U(n)$ isomorphic to a direct sum of cyclic groups


How to add extral level with outlines package?

Increasing the maximum number of enumerate environments?


Hit a wall with error: Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException

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


"\n" newline and %n does not work to begin newline


How do I solve this tricky definite integral ?!

What is $\int_0^1\frac{x^7-1}{\log(x)}\mathrm dx$?


NullPointerException: Attempt to invoke virtual method 'java.lang.String com.zopim.android.sdk.model.VisitorInfo.getEmail()' app is forced close


How do I resolve unmet dependencies after adding a PPA?


Windows 10 option in ubuntu grub not working

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


My default python version is 2.7.18rc1 after upgrade from 18.04 to 20.04


How to install Ubuntu without a CD and a USB?

How can I install Ubuntu without CD and USB?


How to reverse a string without using in-built and temporary variables

Segmentation fault occurring when modifying a string using pointers?


Can stacking multiple exposure images in post-processing give the same effect as a long exposure?


What is the severity of the new bash exploit (shellshock)?

What does env x='() { :;}; command' bash do and why is it insecure?


Problem while adding elements to list in while function

What are the most common pitfalls awaiting new users?


Proof that if the Composition of g and f is one-to-one and f is onto, then g is one to one

If $g\circ f$ is injective and $f$ is surjective then $g$ is injective


I get a "Width not divisible by 2" error when I render


Why do we use casting to allocate heap memory by malloc in C?


Dispaly image from database through servlet on jsp

How to retrieve and display images from a database in a JSP page?


Eevee and Materials Preview NOT showing Materials

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


Considering a second PhD, this time in statistics. Will any professors be interested in working with me?


Getting aspect-ratio of pgf plot axis right


Why Is $1^{\infty}$ an indeteminate form?

Why is $1^{\infty}$ considered to be an indeterminate form


Why optical phonons are called "optical"?


Perl recursively copy files of specific format

How can I copy a directory recursively and filter filenames in Perl?


What's the difference between principal component analysis and multidimensional scaling?


reported speech causing tenses confusion


How to install Windows 7 after Ubuntu and dual boot?

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


How to know where the input/element goes to after the blur event?

When a 'blur' event occurs, how can I find out which element focus went *to*?


What to do when we can't login to the superuser


Should I resend the emails if professor do not reply to my email?

What does it mean if a professor does not answer your email in time?


uname -a doesn't show linux distribution version

How can I get distribution name and version number in a simple shell script?


Is there a difference between `;` and `&&` and `|`?

What are the shell's control and redirection operators?


Rename all the files within a folder with prefix “Unix_”


Prove the inequality ${1 \over a^3 (b + c)} + {1 \over b^3 (a+c)} + {1 \over c^3 (a+b)} \ge \frac 32 $ given that $abc = 1$


When reviewing close votes, also display the answers

Please put answers underneath questions in Close review queue


Can you replace cyclocross (or road bike) handlebars with mountain bike handlebars?

Upgrading straight handlebars to drop handlebars


Add/edit line text in file without open editor (linux command)

Find and replace text within a file using commands


How do I make my textures transparent instead of white?


Reload div in javascript loading complete page in a div


Find the maximum among $1, \sqrt {2}, \sqrt[3]{3}... $

Showing that for $n\geq 3$ the inequality $(n+1)^n<n^{(n+1)}$ holds


How to download file from CentOS server on terminal through ssh server

How to copy a file from a remote server to a local machine?


Indian customs rules on bringing packed iPhone

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


How can one read a text file in a Struts 2 app

Where to place and how to read configuration resource files in servlet based application?


Biblatex/biber fails with a strange error about missing recode_data.xml file


Confusion in String concatenation operator "+" in Java


Latin (in wide use in English) for nonsensical response?

Is there a word for a comment which makes no sense or adds nothing to the current discussion?


/clear items with data tag not working on bukkit servers


Is there a word that means "to give off an odor" (a non-stinky one)?

What is the opposite of "to stink" (v)? Is there one at all?


How to overplot Graphics on GeoGraphics?


Block certain script in the Chrome / Chrome DevTools

Is there a way to disable a specific JS script from a specific website?


App crashes while using custom adapter and custom class in Listview

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


How to animate a cube pivoting more than once without affecting it's original position


Get relative path to Visualforce page via Lightning component

Where can I get the URL for adding a VF page through iframe to a custom lightning component?


Cycles Render multiple layers of transparency problem


@ comments should link to the named person's profile (like twitter)


How to make the color fade in to another one on the same object? (Like Pic below)


Increase number of rows displayed by Dataset

Blocking Dataset`$ElisionThreshold doesn't work


Why did the texture I painted in texture paint mode disappear?


ping returns IP from hosts file but not nslookup in windows 10


Pythonic way of looping through a binary file?

What is the perfect counterpart in Python for "while not EOF"


Unable to correct problems, you have held broken packages


How to update/increment an Oracle sequence by ten million?


Ubuntu Suspend issue with Self Encrypted Disk

SED (self encrpyting disk) is crashing on system resume


Java hashmaps go missing after a period of not using them

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


Given $A_1 = \{\emptyset\}$ and $A_{n+1} = A_n \cup (A_n \times A_n)$ define $A = \bigcup_{i=1}^\infty A_n$, what is $A\times A$?


Why do some trailers contain scenes that aren't in the movie?

Why was this scene from the trailer not in the film?


Monitoring of .net applications at runtime


correlation b/w continuous and binary variables

Correlation between dichotomous and continuous variable


Can the wearer of power and light armors benefit from two force fields?

Can you wear armor and second skin to utilize multiple upgrade slots?


Why do some of profiles say I have not participated in any tags yet?

Top [tag]s doesn't show anything for some users


I dont see the error but the message "illegal character in ar." popped up (line 14)


How to "define" a global var (uniqueness guaranteed)


Bash how do you capture stderr to a variable?

Bash script - store stderr in a variable


Dictionary in python with order I set at start

How to keep keys/values in same order as declared?


Is it appropriate to use the word "most" to describe 60% of something?

Is "most" equivalent to "a majority of"?


SQL Server- Trouble using less than symbol in CASE statement

Using tsql greater than sign in CASE Expression


Why don’t numbers with a difference of 2 have any common factors beside 1 and possibly 2?

Prove divisibility law $\,b\mid a,c\,\Rightarrow\, b\mid ka + lc$ for all $k,l\in\Bbb Z$


Let $p > 2$ be prime. Show that there exist integers $a,b \geq 0 $ satisfying the congruence $a^2 + b^2 \equiv -1 $(mod $p$).

Show that for any prime $ p $, there are integers $ x $ and $ y $ such that $ p|(x^{2} + y^{2} + 1) $.


Installing Visual Studio without restart

Error Message: "A reboot is pending. Please restart before starting Visual Studio


Error while updating and incrementing the value by 1

CodeIgniter/PHP Active Record won't increment an integer


How can I target an object's property with a string?

Get property value from string using reflection


Reduce number of consecutive lines with hyphenation


Singletons and Casting "Self" Objective-C

Is there something like self for class methods?


Why does using the remainder operator with a double return false?


Add different materials to different parts of a mesh?


Design patterns for effects between actors and technology

What's a way to implement a flexible buff/debuff system?


Please I want to Restructure this php URL to SEO friendly URL

Redirect from URL with parameters to SEO friendly URL in .htaccess


How would I make a stopwatch in Javascript/jQuery?

How to create a stopwatch using JavaScript?


Evaluate $\lim\limits_{\alpha \to \infty} e^{-\frac{t}{\sqrt{\alpha}}}(1-\frac{t}{\sqrt{\alpha}})^{-\alpha}$

Proof for $e^z = \lim \limits_{x \rightarrow \infty} \left( 1 + \frac{z}{x} \right)^x$


Help! I can`t boot Ubuntu. Tried everything

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


Is the complement of a closed set always open?

Prove that a set $E$ is closed iff it's complement $E^{c}$ is open


Can I install 64 bit Ubuntu on my Intel Core i7 64bit PC?

Difference between the i386 download and the amd64?


Creating one .tex file form a structured large document

Replace \input{fileX} by the content of fileX automatically


How to set the default float position, e.g., set it to be H?

Avoid repeating [hbt] and \centering for every table


Trim text elements at beginning, not end


How do I manage periods for abbreviations with parentheses, right before a period?


Oracle Search all tables all columns for string

Search All Fields In All Tables For A Specific Value (Oracle)


How can I calculate the distribution of 3d6, keep and rerolling any 1s and 2s, once?

How do I model the fighter's Great Weapon Fighting fighting style in Anydice?


All Stack Exchange site logos are showing up as the 3D Printing one


How do we prove or disprove that a particle has no internal structure?

Where is the evidence that the electron is pointlike?


Group theory: prove that there is an element $s \in S$ such that $f(s) = s$

Permutation with prime order, fixed point


Where can I thank contributors to StackOverflow?


Im making a calculater in python 3.4 and have an error

IndentationError: unindent does not match any outer indentation level


How to edit files on/copy to an NFTS external hard drive?


Closing duplicates between StackOverflow and StackExchange


How to install latest HPLIP on my Ubuntu to support my HP printer and/or scanner?


How can I create an arrow using only CSS?


File Handling - Value is being added two times instead of one

Reading from text file until EOF repeats last line


Accessing variables with the same name at different scopes

Is there any way to access a local variable in outer scope in C++?


Is there any benefit to riders on the front of a paceline?

Does drafting cause resistance to the lead rider?


NullPointerException in Java my java program

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


Question mark or bold citation key instead of citation number


How to enable security in LaTeX using pdflatex 1.40.14

How to set security options for a PDF using pdflatex


Proving a limit as x approaches positive infinity

How to prove that exponential grows faster than polynomial?


Contradiction in Euler’s Identity? $2i\pi = 0$


In what sense are Asgardians "immortal" in the MCU?


List directories, then files - with single command?

How to list files and directories with directories first


Moderator name appears twice on deleted post


Parsing an xml response from a url using STAX


Local GeoJSON in Leaflet using leaflet-ajax

GeoJSON does not appear on my Leaflet map


iOS: Detect the source of the iOS app installation programmatically (inside the installed app)

How to track marketing efforts for iPhone apps on the App Store?


Can't Load Windows 8 after removing Ubuntu Dual Boot

How to remove Ubuntu and put Windows back on?


Proving that $ 2 $ is the only real solution of $ 3^x+4^x=5^x $


Compute the galois group of the splitting field of $x^5+1$


Common subexpression from two expressions


Difference between "artifact" and "artefact"


Proof verification ($p$ prime then $p\mid \binom{p}{k}$ for $1\le k\le p-1$)

Proving prime $p$ divides $\binom{p}{k}$ for $k\in\{1,\ldots,p-1\}$


Add attribute/element to existing javascript array


Getting NPE trying to get json object into a Json

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


java.lang.NullPointerException on ActionListener | Java swing


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


bash for loop to exclude a particular sub directory

How can I use '*' to capture everything with exceptions


Is there a solution to the differences between listings and verbatim

How can I make lstlisting look exactly like verbatim?


How to create a Low lying fog in fields slowly rising up?

How do i create low lying smoke (similar to Zootopia), in blender


Is there a way to detect rain in datapacks? [Minecraft 1.16]


How to Pass Multiple Commands to Remote Device via SSHPass

How to Pipe Segment of Heredoc Output to Local File


Default vertical page alignment for documents

Why does latex stretch small sections across the whole page vertically?


How is Zeno's Dichotomy Paradox resolved according to physics?

How can an object move from point A to point B?


Does $\sqrt{a+b} \le \sqrt a + \sqrt b$ hold for all positive real numbers a and b?


Looking for an elegant way to construct this tensor-product-ish list


What happens to a TNG-era Romulan Warbird power core when it is destroyed in combat or decommissioned?


How can I remove this seam down the middle after mirroring?


Find the equation of the plane knowing that it passes through 3 points


Why does the ordering of the following sentences matter?


Better way of putting javascript into xcode project


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


How come a cork float to the side of a glass?

Why does a cork float to the side of a glass?


Add comment link disappears after deleting a comment (mobile theme)

Deleting comment removes "Add comment" link on Mobile


Brightness controll not working in lenovo g580

Brightness control not working in Lenovo G580


Why are functions as a type of relations special?

Why do we focus so much in math on functions (as a subclass of relations)?


test if two normally distributed random variables are equal

Testing equality of coefficients from two different regressions


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


Solving a homogeneous recurrence relation

showing a genereral function from a generating function and recursive function


AMD graphics card: What drivers should I install

What is the correct way to install proprietary ATI Catalyst Video Drivers (fglrx) directly from AMD?


Ubuntu 16 LTS stuck on boot - /dev/sda5 clean

Is recovery mode supposed to hang after fsck?


If the sample standard deviation and standard error are biased estimators, why are they still so useful?

Why does this excerpt say that unbiased estimation of standard deviation usually isn't relevant?


Why does arr.map(parseInt) not work in JavaScript?

Why does parseInt yield NaN with Array#map?


Find JavaScript handler connected to a button's click event

How to find event listeners on a DOM node when debugging or from the JavaScript code?


How can I install a Canon printer or scanner driver?


Why could Sauron only detect the One Ring if someone wore it?

Why didn't Sauron find Bilbo when he put on the ring like Frodo?


What SF short story or novella was incorporated into two different "fix-up" novels?

Story about an intelligent, walled city; people are reproduced by machines, protagonist rebels and tries to leave


Problem with sansmathaccent under pdftex


"Class myObject();" does not call constructor of class


Reference request: linear operators into $L^\infty$ can be extended presrving the norm.

Do continuous linear functions between Banach spaces extend?


How do I beat myself after taking the X Potion?


Writing above and below a symbol simultaneously

How to put symbol around the equal sign?


Render shadows without denoise on a transparent background in cycles

Shadow-catcher stays noisy even with Denoising - also very dark


Regular Expressions: Is there an AND operator?


Notepad++ - How can I replace blank lines


how to avoid the transfer of the outside of a node inside

Resetting text width in a nested tikzpicture


the right way to pass variable to a callback function

Pass an extra argument to a callback function


How can I tell Windows to prefetch files?

What is fadvise/madvise equivalent on windows?


How do I output HTML in a message in the new Django messages framework?


JSON: which pathway to access the key value?


20th century fantasy story with protagonist at the court of a child empress

Trying to identify a short story (possibly arc) where barbarian and accomplice freed slaves


How can I force Excel 2007 on Windows 7 to always open another instance of the application?

How do I force Excel (and other Microsoft Office products) to stop opening files in the same application?


How to use a decimal range() step value?


How to save an arrayList of object to sqlite database

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


$T$ is compact iff $\langle Te_i,e_j\rangle\to 0$ as $i,j\to\infty$


Let $a,b$ be positive integers such that $a\mid b^2 , b^2\mid a^3 , a^3\mid b^4 \ldots$.....so on, then prove that $a=b$ -Struck

If $a, b$ are positive integers such that $a|b^2, b^2|a^3,....$ then $a=b$.


Proving that subgroup of Rotations in $D_{2n}$ is a normal subgroup

Some Subgroup of Dihedral Group is Normal


Windows Explorer stops working windows 10

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


How to show that $2730\mid n^{13}-n\;\;\forall n\in\mathbb{N}$


How to install ATI Radeon Graphic drivers on Ubuntu 14.04?

What is the correct way to install proprietary ATI Catalyst Video Drivers (fglrx) directly from AMD?


Use the definition to prove that $\sum_{j=0}^n \binom{n}{j}=2^n $


Windows server 2012/6 Limit copying size

How to activate quota for users on folders?


Colors combinations and and how to pick a color

How can I improve my color selection skill?


Is it mandatory to include collection type fields like Hashset in hashCode() and equal() methods

What issues should be considered when overriding equals and hashCode in Java?


Standard packages for compact SMT crystals


add and remove items from jQueryTools' scrollable

Removing specific carousel panes in the jQuery Scrollable plugin


What is the cheapest(less than 40 Euros) way to travel from Paris CDG to Brussels Midi?

What is the cheapest / fastest way to get from Brussels to Paris?


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


Does AFTER mean always after the number said?


Is it possible to get custom heads in Minecraft Bedrock

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


After setting the values for the fields of the first table, how do I fill out the fields of its child table?


Is there a defined process to communicate with Stack Overflow Inc?

What are the effective communication channels for effecting change to SE?


How to add shortcut to brightness-controller package?


"You can only post once every 40 minutes" on my first post

"You can only post once every 40 minutes" on different sites


Setting a dynamic sort name field in a linq query

Dynamic LINQ OrderBy on IEnumerable / IQueryable


Default Login Keyring Password - Ubuntu 18.04

How to recover/reset forgotten Gnome Keyring Password?


Receiving a NullPointerException when referencing another class' public method


Rate limit how many stars you can add in a short time period

Prevent repeated starring and unstarring of messages


Does Java have any framework similar to WPF( as it has capability of using shaders)


How do I find out my Mac OSx admin password without changing it?

How to find Mac admin password not reset Mac admin password


Objective-C methods args list forwarding

Passing variable number of arguments around


Is "that" necessary in the following case?


Colored text in the console Python 3.6.4

How to print colored text to the terminal?


How to set a part of arguments from a list in Emacs Lisp?


Why do browsers create vendor prefixes for CSS properties?


natbib with superscript option does not handle optional parameter well


What is my fallacy in the hello world finite loop?


Why $\sqrt{-1 \times -1} \neq \sqrt{-1}^2$?


How safe is it to use `//domain.com/` (schema-less) links?

Can I change all my http:// links to just //?


does charging the phone with other chargers affect mobile or battery?

How do I select a non-OEM charger for my device?


What will happen to my Ubuntu/Windows set up upon upgrade to Windows 10?

Dual boot with windows 10 (upgrade from Win 8.1 OEM)


How to return the 2 ArrayList that was stored in this method, instead of just printing it in the void?

How to return multiple objects from a Java method?


Implementing a simple file download servlet

Simplest way to serve static data from outside the application server in a Java web application


Use Windows 8 Pro 64-bit OEM licence in VirtualBox

Can I erase my preinstalled Windows and use the serial number elsewhere?


How to auto mount an ssh file system on demand with an RSA key


What does Yoda mean when he says, "The Last of the Jedi Will You Be" from the perspective of Legends?

At the start of A New Hope are Yoda and Obi-Wan really the last remaining Jedi?


Directory owned by a group that doesn't exist?


Can non-abelian subgroups be found in abelian groups?

Non abelian subgroup of a abelian group.


Trouble linking static libraries using Android NDK r5b

Linking thirdparty libs (libs.a) with NDK


Exponential map on Lie groups being a diffeomorphism

Is exponential map locally a diffeomorphism w.r.t. base point?


How to bake muffins with a convection oven and steam

The muffins were rock hard, what did I do wrong?


word frequency calculation in multiple files

how to find frequency of the keys in a dictionary across multiple text files?


\star vs. \ast in formulas. Which one to use?


Diagonalizable matrices A and B with $\mathrm{Tr}(A^k)=\mathrm{Tr}(B^k)$ have the same characteristic polynomial?

If $ \operatorname{Tr}(M^k) = \operatorname{Tr}(N^k)\;\forall 1\leq k \leq n$, then how do we show the $M$ and $N$ have the same eigenvalues?


What is the actual reason for the effects of fictitious forces?

What is the underlying explanation behind fictitious/pseudo forces?


How to remove the space between the numbers and titles on the \tableofcontents?

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


Am I allowed to upload Winter Bash-related content on personal sites?

Can I download the Winter Bash hats for use as profile picture?


Square root of whole number number of solutions

Can the square root of a real number be negative?


Center a section that is inside a div with an image

How to make an image center (vertically & horizontally) inside a bigger div


When Thranduil mentions his knowledge of the 'fire drakes of the North' is he talking about a battle with Glaurung or Ancalagon?


Is it ok have to have two search bars on the same page?

Two search bars on the same page or combination?


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


How can I keep theorem and proof in same location in *.tex file but appear in separate sections of document (with appropriate labels)

How to place all proofs automatically in appendix?


How to prove $f(x) = \ln x$ continuous by proving first that $f(x)$ continuous at $1$, and then by using $\ln (xy) = \ln(x) + \ln(y)$.

Functional equation $f(xy)=f(x)+f(y)$ and continuity


Odd and Even Factors of a Perfect Square

A number is a perfect square if and only if it has odd number of positive divisors


How to show disk usage of a package including dependencies?

how much space does a given package, and dependencies, cost?


For what integer values $a$ does the system of congruences have *at least one solution*?

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


Why can't an element with a z-index value cover its child?


Regex find every instance of element in html

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


Can't refactor methods with underscore as a parameter into lambdas?


How can I format my active hard drive to NTFS?


How to make Firefox use the newest Java version, which is already installed?


What happens in the case of a tie in Clan Wars?


Python creating class instances in a loop

How to avoid having class data shared among instances?


Etihad airlines didnt ask passport details when booking flight tickets, why?


How would you explain why $e^{i\pi}+1=0$ to a middle school student?


How to create vertical and horizontal dotted lines in a matrix?


Prevent direct access to a php include file


how to plot a linear function with TikZ?

Why does pgfplots plot functions only until x = 5 and y = 5?


How to show popup after user connect to my WiFi hotspot?

Captive portal detection, popup implementation?


Event binding on dynamically created elements?


Is there a point where the value of the function $g$ is greater than the length of the interval?

Is there a value of the function $g$ that is greater than the length of the interval?


R- converting data from fraction to decimal

How to perform arithmetic on values and operators expressed as strings?


Unable to catch SQLException . After upgrading same code. Java6 to 8


Are there any stats of Android version distribution by region?

What percentage of devices have each of the Android versions?


Javascript does not have a way of getting a copy of an object?

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


How do I return the response from an asynchronous call?


Determine type of an element in Javascript

How to get the name of an element with Javascript?


PowerShell: Trying To Format USB Drive, Unable to Initialize as disk already Initialized, but unable to New-Partition as not Initialized


Using a variable (such as t) to label a graph axis


Why can we distinguish different pitches in a chord but not different hues of light?


String.ValueOf() to replace NULL with string null when calling a method

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


Using matrix algebra prove that $ \left = \left$

How to prove that $\langle Av,w\rangle=\langle v,A^Tw\rangle$?


How to go iphone settings bundle from my app with alerview button click?

Opening the Settings app from another app


Proper Acronym Usage With Multiple Plurals

How do you pluralize the acronym "POC" ("proof of concept")?


What statistical analysis should I use for Likert-Scale data?

Group differences on a five point Likert item


Quoting backslashes in Python string literals


C++: Invoking virtual function has different behaviour for different instances


Why are my checkbox and double-click functions not responsive?

Event binding on dynamically created elements?


Select Python Version, Mavericks and Macports


What is the most accurate explanation of Zeno's Achilles and the Tortoise paradox?


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


Nonzero $f \in C([0, 1])$ for which $\int_0^1 f(x)x^n dx = 0$ for all $n$


What are the tiers of the ores in Terraria?


What's the intended use case for COMPLETE_ALIASES in zsh?


I'm writing a program in Java (a mortgage calculator) with a GUI using SceneBuilder/FXML for a college class and I'm experiencing errors

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


Finding formula of all solution of a point P, where two tangent line to an ellipse from P is perpendicular to each other

The locus of the intersection point of two perpendicular tangents to a given ellipse


What is the correct output of cat /etc/apt/sources.list?


Prove that every function that verifies $|f(x)-f(y)|\leq(x-y)^2$ for all $x,y$ is constant.


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


how to get all non null values from array in c#


How can I crop a raster layer to a hemisphere?


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


prove triangular inequality for $ d(x,y)= \frac{||x-y||}{1+||x-y||}$

If $d(x,y)$ is a metric, then $\frac{d(x,y)}{1 + d(x,y)}$ is also a metric


Find a general control and then show that this could have been achieved at x2


Why does the beta distribution become U shaped when $\alpha$ and $\beta$ <1?


How can we extend the predictive interface so it can suggest new operations?

Is it possible to customize the Suggestions Bar?


Why does Newton's Third Law actually work?


How does a value not part of the domain satisfy the function?

Is this a valid partial fraction decomposition?


When should we use "can", "could", "will", "would"?


Passing many variables to a class (swing components)


Given distance (in meters) what is the angle in geographic reference systems?

How to Buffer data in a Geographic coordinate system?


permission error when installing ttf-mscorefonts-installer/Can't drop privileges as file couldn't be accessed by user '_apt'


How do I choose between "while" and "whilst"?


When a dagger is used to indicate a note, must it come after an asterisk?


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


Which model fit best for semi sinusoidal data?

How to find a good fit for semi-sinusoidal model in R?


Python segmentation fault:11 for simple terminal calculations

Python crashing when running two commands (Segmentation Fault: 11)


Number of words that can be formed using "DAUGHTER" so that vowels never come together.

How many words can be formed from the letters of the word 'DAUGHTER' so that the vowels never come together?


How do I remove a website from Ubuntu's web applications?


Crasters sons in Game of Thrones, who raises them before they turn into White Walkers (if they do)?

What do the White Walkers do with the baby boy gifts from Craster?


In general relativity, is it proper to say that mass curves the three spatial dimensions and also that mass curves the fourth dimension?

In Einstein's General Relativity, do the space-time dimensions curve?


Can data generated by generative models be used for training unsupervised learning models?

Can a GAN be used for data augmentation?


Root Android virtual device with Android 7.1.1


Black screen after login on main account, after LaTex install failed

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


open source command line tools on Linux or source code for converting tiff image file to BSQ file

Converting *.tif file into headerless (flat) binary file?


Scikit learn - fit_transform on the test set


Term for people who are in the same city

Word for people who live in the same city


Etymology of *snap, crackle, pop* for higher derivatives of position?

What are the derivatives of position with respect to time


How do i add a string to the List on the start of the List?

How to add item to the beginning of List?


Canceled my flight to Miami and go to a different location in the U.S. does my ESTA work?

Do I need to change my ESTA address when visiting the US?


getting photos from "Photos" app on Macbook to Lightroom

How do you import the new OS X Photos app to Adobe Lightroom?


java linked list pass by reference does not work

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


Would running Ubuntu (or another distro) on my low spec computer instead of windows improve performance much?

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


Proof that 1-1 analytic functions have nonzero derivative


Prove that $f$ defined by $f(x)=1$ if $x \in \mathbb{Q}$, $f(x)=0$ if $x \in \mathbb{R}\setminus \mathbb{Q}$, is not integrable

Is Dirichlet function Riemann integrable?


Infinitely many primes of the form $4n - 1$ proof

Help understand the proof of infinitely many primes of the form $4n+3$


Sections and subsections in Latin Modern


When Should I Use PHP mysqli_real_escape_string() Function?


In HPGOF, why is the fake school name not written on Harry's parchment?

In the parchment the Goblet of Fire spit out, why wasn't the school name there?


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


how do I distinguish in a simple way a number in an input?

How do I check if a string is a number (float)?


Barcode scanning doesn't work if device doesn't have barcode reader app installed

Trying to use Zxing QR code reader API results in force close


Mathematical Olympiad Treasures Problem 3.27 how many ways to fill a table such that product of entries equal -1


What packages do people load by default in LaTeX?


Comparison of Gravitation pull on moon due to sun and earth

Why does the Moon not revolve around the Sun directly?


Using a Unicode Character in the Document


Vertical alignment in table: m-column, row size - problem in last column


Are there separate processors for servers?


How to diagnose connection timeouts when connecting to a WiFi hotspot

Wifi Won't Connect; Connection Timeout (Mac)


The only proper subfield of $\mathbb C$ , which is path connected as a subset of $\mathbb C$ , must be $\mathbb R$?

Subfields of $\mathbb{C}$ which are connected with induced topology


Applying parseInt on array yields weird result

Why does parseInt yield NaN with Array#map?


what does $\lim _{x\to 0}$ $x^{x^{x^{x^{x^{x\cdots}}}}}$ evaluate to?


Story haunting me: Man marooned on Mars, transformed into Martian

SF Story about human adapting to alien environment


Minimum value of $\frac{x^2+y^2}{x+y}+\frac{y^2+z^2}{y+z}+\frac{z^2+x^2}{z+x}$


Coloring columns in a table with colortbl and booktabs


Please help to increase my root partition size


How do I expose a variable to html.html.twig?


What is the difference between lands and mana?


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


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


How can I execute `date` inside of a cron tab job?


Show that if two distributions have the same kernel, then one is a constant multiple of the other.

If two functionals have the same kernel, then one is a multiple of the other


Writing Grover's Iterator in different computational phase

How is Grover's operator represented as a rotation matrix?


OpenLayers low resolution and/or shifts in QGIS print composer?


Why does java allow an abstract class to have a constructor?

Can an abstract class have a constructor?


Python "all" function with conditional generator expression returning True. Why?


How do I install linux on my computer without using a usb or cd?

How can I install Ubuntu without CD and USB?


How can I prevent page break between lines of a paragraph or bibliography entry?


What does the ">" (greater-than sign) CSS selector mean?


Converting jQuery .on() Containing Selector Argument to Vanilla JS

Event binding on dynamically created elements?


The equation $\phi (x)=n$ has only a finite number of solutions.

Is there an integer $N>0$ such that $\varphi(n) = N$ has infinitely many solutions?


How do I get the (x, y) pixel coordinates of the caret in text boxes?


Prove that if $n\ge4$ then $n,n+2,n+4$ cannot all be primes.

Show that we cannot have a prime triplet of the form $p$, $p + 2$, $p + 4$ for $p >3$


Fatal Error: unidentified method mysqli:fetch_array()

Fatal error: Call to undefined method mysqli_stmt::fetch_array()


How does a request gets directed to a nearby CDN edge server?

CDN: How is it possible that my DNS delivers a different IP depending on the visitors location?


How do I transfer large files from my phone to my computer?

Getting MTP enabled devices to work with Ubuntu?


Are there any artifically intelligent Starfleet ships?

Why don't Starfleet vessels have intelligent on-board computers?


Why did C-3PO close down while Luke talked to Ben in A New Hope?


How can I find variations in database schemas?

How can I compare the schema of two databases?


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


"cu" for "see you", "ic" for "I see" - what do you call those?


Get just a class name without module, etc


Difference between int[] array and int array[]


Dot product between momentum and position $ \langle p|x \rangle$

What does the Canonical Commutation Relation (CCR) tell me about the overlap between Position and Momentum bases?


What is a more efficient way to draw this tree?


javascript Cannot pass variables between 2 functions

What is the scope of variables in JavaScript?


How do I edit name and logo for boot menu of Windows 10 EFI drive?

Edit Icons for MacOs Startup Manager (Windows, Linux & Macos)


How to remove Ubuntu and put Windows back on?


Column count doesn't match value count at row 1 - mysql/JDBC

java.sql.SQLException: Column count doesn't match value count at row 1


What Window Management Options exist for OS X?


Display "Enable JavaScript" message only when JavaScript is disabled


b.getCharSequence is giving me a null pointer exception error

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


Can I cast a spell as a reaction when a creature enters the reach of my quarterstaff if I have the Polearm Master and War Caster feats?

Can you combine Polearm Master with War Caster to cast Booming Blade as enemies approach?


Key short cut `Super+L` (i.e. `Win+L`) not working for `LockScreen` in 12.04 LTS


Strange Characters in Calculator UBUNTU 18.04

Only squares instead of letters and numbers are displayed in my calculator and other apps in Ubuntu 18.04


Differentiate Window vs Page vs UserControl in WPF?

Window vs Page vs UserControl for WPF navigation?


Where can I find useful R tutorials with various implementations?


Combine multiple javascript arrays into a single array

Cartesian product of multiple arrays in JavaScript


Can an astronaut in free space turn his head without moving the rest of his body in opposite direction?

Is there a way for an astronaut to rotate?


R data.frame to table image for presentation


Is the tangent function (like in trig) and tangent lines the same?


Applying an ArrayPlot as a texture to the surface of a cylinder


Naming convention for partial classes file names?

Naming Conventions For Partial Class Files


How to add an extra searchable dir with personal style files to TeXLive, NOT under ~/Library/texmf?


Allowing user to choose multiple input files in ArcGIS ModelBuilder?

Creating generic tool with ModelBuilder in ArcGIS Desktop?


How do I disprove that $|\mathcal P([0,1]) \setminus \mathcal P((0,1))| > |\mathcal P(\mathbb{N})|$

prove inequlity about cardinality power sets


Is there anything we can do to locate companions in the world easier?


Bind c# WPF Checkbox to Application Setting and update setting


What does the blue point before app name in lauchpad mean?

What are the blue dots next to App names in iOS and macOS?


Reference — What does this symbol mean in PHP?


How can I convert ereg expressions to preg in PHP?


Why is using only one "a" enough in this sentence?


Why is “Object” capitalized in the Declaration of Independence?

What were the rules for capitalising nouns in the 17th and 18th centuries?


Reason for using '5 == myValue' in conditionals

What is the difference between if(CONST==variable) or if(variable==CONST)?


Pointwise Convergence Of Sequence Of Real Functions

Pointwise limit of the sequence of continuously differentiable functions defined inductively.


LNK2001 Unresolved external symbol "public: virtual void ..." in C++ Interface class


Nonlinear relationship in logistic regression

Can I use a variable which has a non-linear relationship to the dependent variable in logistic regression?


Pinned tabs show the Stack Exchange logo on Chrome but not on Safari


Comparison about security between file layout and object layout of pNFS

Advantages and disadvantages of each type of layout in pNFS


method selectProduct() gets "java.lang.NullPointerException". error

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


How to decode the response returned by powerprofiles.com


How to access a local variable from a different function using pointers?

Can a local variable's memory be accessed outside its scope?


How to edit pictures that have turned out to be too dark on print?

What kind of prep and considerations for using a night photo in print work?


Insert into 2 tables from 1 form. Mysql Transaction?


Macbook Pro 2018 Touch Bar Gone dark and not working


How should I install HPLIP binary/proprietary plugin/driver for my HP printer or printer+scanner?


How to do computations simultaneously in multiple notebooks?


1000 * 60 * 60 * 24 * 30 results in a negative number


Using permutations to find the determinant.

If $a_{ij}=\max(i,j)$, calculate the determinant of $A$


What is the official stance of the SE team on the recent Net Neutrality rulings?

Net Neutrality and Stack Overflow / Stack Exchange


Is there a word to describe someone who disagrees with people just to be different?

What do you call a person who does/thinks the opposite of the crowd for just that reason?


Given a complete graph of $n$ vertices $K_n$ (has all possible edges – one edge between pair of vertices).

Why a complete graph has $\frac{n(n-1)}{2}$ edges?


Installing Teamspeak and creating TeamSpeak3 .desktop file


How to add an Event Listener to a div only when a specific class is "toggled" on?

How do I detect a click outside an element?


Injective restriction of $f(x) = \frac{ax-b}{cx-d}$

$f(x) = \frac {ax+b}{cx+d}$ , bijection $f: \Bbb R \to\Bbb R$?


How do I return the response from an asynchronous call?


How to describe what is conformal bootstrap and what's its application in renormalization group?

Looking for intro to Conformal Bootstrap


Need help diagnosing a NullPointerException

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


How can I make this insertion secure from MySQL injection?


Example of Erdos-Szekeres bound being tight


How can I pass parts of a list to different variables?

How do you split a list into evenly sized chunks?


Is there a way to restrict a user's access to scp only (ie no ssh access)?


Uniform convergence of $\sum_{n=1}^{\infty} \dfrac{z^{n}}{1+z^{2n}}$

Showing that $\sum_{n=1}^{\infty} \frac{z^n}{1+z^{2n}}$ converges


Javascript works on jsfiddle but not my site

Why does this work in jsfiddle but not in my document


Cause of Variadic Arguments being corrupted/null

Are there gotchas using varargs with reference parameters


"I have sent it to X too" vs. "I have sent it to X also"


$("#form").submit() do not work with Internet Explorer

jQuery's $(form).submit() not firing for IE only (MVC3 app)


R software installation sudo apt-get install R


Why "admit" with T but "admissible" with SS?

Are there names for consonant-shifts when suffixes are added?


The program can't start because MSVCP120.dll is missing

Run vcredist_x86.exe missing MSVCR120.dll


How to display two similars fields with possibly identical content?

'same as shipping address' or 'different from shipping address'


I can just conclude the bounty doesn't work for me


C++ very small floating point number, preciscion


Green rectangle for mouse dialogs after video driver update?

Strange artifacts along window borders after waking computer from sleep mode


Do I need transit visa for Switzerland while traveling to Tanzania as Bangladeshi (US permanent resident)?

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


Upper Bound on the Chromatic Number of a Graph with No Two Disjoint Odd Cycles


null pointer exception after calling a method

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


How to install software provided in software-center via terminal?


Null pointer Exception in java while finding no of values in given range in val tree


Why is there quality loss on my image styles?


Zariski topology - normal for finite $\Bbb{F}$, not hausdorff for $\Bbb{F}=\Bbb{R}$

Show that $\mathbb{A}^n$ on the Zariski Topology is not Hausdorff, but it is $T_1$


Why my if condition doesn't work of Firebase DatabaseReference


Does a 128bit 3DES need billions of years to decrypt using brute force attack?

Duration for attacking Two-Key Triple-DES Encryption using all RAM ever built?


Can I have a submit button on a form that overrides/ignores jquery.validate plugin?

jQuery Validation plugin: disable validation for specified submit buttons


iterating row by row through a pandas dataframe

What is the most efficient way to loop through dataframes with pandas?


Which is the more efficient way to shuffle an array in JavaScript?

How do you performance test JavaScript code?


Expect script is returning errors when spawning bash script. Why?

Why am I getting "line 1: $' :\r': command not found"?


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


read key from LocalizedResource.properties programmatically


Why am I going to get the Hero of Time hat for posting this question?

How precisely do I need to post close to 7:00 (somewhere) to get hero of time?


Named blocks to limit variable scope: good idea?


Mathematica does not launch after RLink installation /Linux

Mathematica 10.0.x freezes in Initializing kernels


C# instantiate generic List from reflected Type

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


How do I comment on an answer in StackExchange sites (e.g., StackOverflow) and what StackExchange site should I have asked this on?


How can I change my hearthfire house wings In Skyrim?

How do I reset my manor so I can rebuild it with different options?


How do I replace the Linux Mint partition with Ubuntu without harming my Windows 10 partition?

How to use manual partitioning during installation?


Avoid collection was modified enumeration operation may not execute

Collection was modified; enumeration operation may not execute


Is $\sqrt{64}$ considered $8$? or is it $8,-8$?


BaseAdapter class wont setAdapter inside Asynctask - Android


pulling date from mysql returns all days in the future

why isn't this pulling data from 7 days back?


What should I expect when switching from Windows 10 to Ubuntu?


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


Two errors when running ssh in a bash script


Why can't Stack Exchange just log me into other sites automatically?

Why does Stack Exchange ask for a reload on successful automatic login?


Search through a string and return specific text android


How much amps (maximum) are flowing through 1000Base-T Ethernet?


Why is the $\frac{1}{2}$ significant in $\frac{1}{2}\rho v^2 C_d A$?

Why is the drag force proportional to $v^2$ and defined with a factor of $1/2$?


Why does this doubly-linked-list program give me a null-pointer exception?

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


A confusion about the proof of $\hat{p}|x\rangle=i\hbar\frac{\partial}{\partial x}|x\rangle,$ using $[\hat{x},\hat{p}]=i\hbar~?$

How to prove $\hat{p}|x\rangle=i\hbar\frac{\partial}{\partial x}|x\rangle$,using $[\hat{x},\hat{p}]=i\hbar$?


Calculating size/weight of the base of a banner to withstand wind load

How much wind does it take to tip a sign over?


When is Birth Date for a file actually used?

How do I find the creation time of a file?


Warning: Cannot modify header information - headers already sent by (two headers on one page?)

How to fix "Headers already sent" error in PHP


How do you use a ROC curve to optimize a random forest classifier?


Item label in description environment too long for margin

Description list with right alignment of labels


django on heroku: ImportError: cannot import name get_path_info


Seeking training resources in Python as applied to geodatabase management?


Unplayable video produced from png frames


How do I go about conducting model diagnostics on WLS?


Combinatorial Proof for Binomial Identity: $\sum_{k = 0}^n \binom{k}{p} = \binom{n+1}{p+1}$

Prove $\sum\limits_{i=0}^n\binom{i+k-1}{k-1}=\binom{n+k}{k}$ (a.k.a. Hockey-Stick Identity)


How to use readonly modifier to implement right triangle portion of class in second examples?

What is the difference between const and readonly in C#?


Beginners AngularJS code not working as expected

AngularJS - Value attribute on an input text box is ignored when there is a ng-model used?


Identify question upon reputation loss from removed user

How can I find posts related to lost reputation due to a "user was removed" message?


What is the default package when compiling with BibTeX? (Using pdflatex)

What is the default bibliography package and backend in LaTeX?


XML data type method “value” must be a string literal

The argument 1 of the XML data type method "value" must be a string literal


Hats are placed in the top left screen corner if user icon (e.g. from facebook) is blocked from loading

Bug with hat placement with not-loaded avatar?


"SO questions are penalized" in the hot list - how does that work, can it be done for other site(s)?

How is hotness score calculated at larger sites?


How to reduce a large internal view state / what is in the internal view state?


When does Thorncaster Sliver's ability resolve?

Do Thorncaster Sliver's triggered abilities go on the stack?


date/time field value out of range: "21/1/2016"

How to set Postgresql database to see date as "MDY" permanently


How to make an object go around another circular objects?

How to distribute objects in a circular pattern on a surface (Radial Array, Polar Array)


How to fix 'android.os.NetworkOnMainThreadException'?


How do you find second highest number in an integer array?

Finding the second highest number in array


Correct course of action when an answer is nearly word-for-word copied without attribution?

What to do when plagiarism is discovered


The same solution implies equivalent systems of linear equations

Proving that two systems of linear equations are equivalent if they have the same solutions


Why does the Area 51 "Commit" dialog require my real name?


Waiting for required medium software center

Can't install ATI proprietary drivers in 12.10


Should opinion-seeking questions with many answers be reworded or left as-is?

Suggestions for editing old "Not constructive" question into constructiveness so that it can be preserved


How can I check if a gzipped file is empty?


I am searching for a word or phrase that describes reflected light, dancing light etc

English equivalent of komorebi (木漏れ日) — "sunshine filtering through leaves"


JavaScript, Why does function name have no significance in function literals?

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


XElement with colon in the name doesn't work


Source .vimrc command not found Amir Salihefendic


Firefox update fails; "Could not get lock" error when I run sudo apt upgrade

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


Inheitance not working while workig with pointer

Base pointer to array of derived objects


Iranian National with U.S. Green Card need a transit visa? U.S > Vienna > Iran

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


do-release-upgrade from local mirror does not work

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


Where can I ask a question about frameworks?

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


Cleaner way to get last day of previous month?

How do we get the last day of the month from a given date


Does having a keyword in the domain repeated again in the path of the URL hurt SEO?


How to get Ubuntu system with ntpd receiving data from GPS through USB and set clock accuracy?

How to set Ubuntu to synchronize my clock with a time server?


assinging a c++ function object to c function pointer

Convert C++ function pointer to c function pointer


beamercolorbox with transparency creates a darker horizontal line


Finding of $\hat{\theta}_{MLE}$ of $f(x; \theta) = (\theta + 1)x^\theta$


javascript function not defined error. Syntax?

Why isn't my JavaScript working in JSFiddle?


Dn denotes the squares of a 2-by-n board using plain dominos. Then we see D1 = 1, D2= 2, and D3 = 3. find more values of Dn and guess an expression.

Find a recurrence relation for the number of ways to arrange $n$ dominoes to fill a $2$ by $n$ checkerboard.


If you select 20 people at random. What is the probability that at least one pair of people share the same birthday?

probability question ("birthday paradox")


Why is my storage not using all of its storage?


PDOException when creating the table: Base table or view not found


How to find Apple ID used to set up my iPad


Set the maximum character length of a UITextField


How is the "charge on a capacitor" defined when two plates are unequally charged?

Capacitor with different charges on each plate


Intuition behind the Definition of Conditional Probability (for 2 Events)


Rolle's theorem without compact domain hypothesis

$f(0)=0$ and $\lim_{x \to \infty}f(x)=0$. Show there's $x_0$ such that $f'(x_0)=0$


Normalizing a truncated normal distribution

Standard normal distribution is truncated to the left by 2


Referencing a Specific Citation in a Theorem or Definition Statement


How do I enable the "Universe" repository?


Why doesn't the "Disable for viewport selection" button doesn't show up in the Outliner?


Onward travel details for Schengen visa through Austria

Does Schengen visa proof of transport requirement include travel inside Europe?


Two parabolas, perpendicular axes: Can we prove the intersection points are concyclic?


Create a macro to add space between letters


Comparing a strings value to the value of a boolean


How to find the determinant of this matrix


What does this use of static mean in a Java class (not in a method)?

What is the difference between a static and a non-static initialization code block


Prove or disprove. Let $G$ be an abelian group. Let $N \triangleleft G$. Then, $ G\cong N \times G/N. $

if $A$ is Abelian group , $B$ is subgroup of $A$ , Is $B \times A/B \cong A$?


Alternative way to split a list into groups of n

What is the most "pythonic" way to iterate over a list in chunks?


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


What is the term for a cut from one close-up object to another absurdly similar close-up object?

What is a seamless cross-cutting transition called?


Eclipse will not open due to environment variables


Check if a file exists in a linux script

How do I tell if a regular file does not exist in Bash?


Unable to create folder and paste in Windows from Ubuntu

How to enable read/write for windows partitions?


How to get the complete and exact list of mounted filesystems in Linux?


MS Word: Automatically update text in file based on text above

Can I have dynamic custom variables in Word?


Do i require a transit visa to head through munich?

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


Phonegap installation issue (shasum check failed)

"shasum check failed" Error while installing Phonegap


Showing $\lim_{n\to\infty} \left( \frac{n}{n^2+1^2} + \frac{n}{n^2+2^2} + \cdots + \frac{n}{n^2+n^2} \right) = \frac{\pi}{4}$

The limit of a sum $\sum_{k=1}^n \frac{n}{n^2+k^2}$ as $n\rightarrow\infty$


Redefinition of pgfplotstableread and inline tables

Problems with \pgfplotstableread and relative paths


Is it possible to run an IPA file in an iPhone simulator on Windows?

iPhone emulator for Windows that allows installation of new apps


Logging out of all stackexchange sites with one click

Add "log out globally" button on user popup


NullPointerException while calling method in Testng

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


Curved arrow describing a step in a equation derivation


How can I show tasks only of current virtual desktop in Ubuntu dock?

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


Materials don’t show when exporting as FBX

.fbx export why there are no materials or textures?


How to merge one dimensional array and two dimensional array in php

How to "flatten" a multi-dimensional array to simple one in PHP?


A movie where coffee acts like alcohol on aliens

Please help identify this 2-part TV movie: Alien woman crash-lands on earth, falls in love, 199x


Is the "Final Release" a "Development Release"?


Seeking term for step-grandmother's brother

Seeking English term for relationship between two members of extended family?


WHY no Copy&Paste by keyboard in Bash/CMD

Why does Ctrl + V not paste in Bash (Linux shell)?


Infinite Primes proof with possible error


Evaluation inside Button stops after some seconds


What is the inverse function of $e^x +x$?


Testing Speed of Various Sorting Algorithms

What does a just-in-time (JIT) compiler do?


How do I show that $a^p + b^p > (a + b)^p$ for $a,b>0$ and $0<p<1$?


How to find out the date the OS was installed?

Determine when Windows was installed on a computer


Installing latest version of Python on Ubuntu 14.04 LTS without building from source

How do I install a different Python version using apt-get?


Can servers be synchronised to share the same configurations?


What's the C++ idiom equivalent to the Java static block?


Reducing vertices while not reducing quality


Inverse image of maximal ideal under $k$-algebra homomorphism is a maximal ideal.

In an extension of finitely generated $k$-algebras the contraction of a maximal ideal is also maximal


How can I calculate settings for manual flash to reduce trial and error?

How do I set exposure with a manual flash?


Elegant way of obtaining the envelope of oscillating function


Android sync is rescheduled even when successfully completed

Prevent network sync loop when syncing from network in Android ContentProvider


he said the project will be carried out vs he said the project would be carried out


RTL8723DE Working with signal, but never connects

Wi-Fi speed on my laptop with RTL8723DE is a bit slow and its range is also very low, what to do?


Functions with both optional arguments and options


Ubuntu 18.04 bond with netplan duplicate MAC address after cloning


I guess that my mail server is unprotected and spammers are using my mail server to spam myself

Fighting Spam - What can I do as an: Email Administrator, Domain Owner, or User?


Check differentiability of multivariable functions


how to install software onto ubuntu on hp pavillion

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


Factorising fourth power polynomial with 5 terms


Number of subgroups of $S_6$ isomorphic to $C_3\times C_3$

Subgroups of order $9$ isomorphic to $C_3 \times C_3$ in $S_6$


How to refresh the primary tab of console

Cloud Console: How do you refresh primary tab from a subtab


What does the 'u' symbol mean in front of string values?


Server is currently in DDOS attack, what can I do?


Why can templates only be implemented in the header file?


How do you do load testing and capacity planning for databases?


Special hub requirements for an 11-speed group


Plotting a complicated 3D wave on the surface of a sphere


PHP Preg Match All but Others Being Returned

What special characters must be escaped in regular expressions?


jaxb hide child element when parent element is xsi:nil=true

jaxb when xsi:nil=true if any child element exists it is still showing


Present perfect vs. Past perfect for finished actions

Present perfect for past action with present effect


Tapping on a 'badge' achievement opens logged out browser

Clicking on badge in achievements shows mobile web instead of badge profile page


Unable to install any app from ubuntu software

E: dpkg was interrupted... run 'sudo dpkg --configure -a'


De-referencing variables in a bash/ksh script in a for loop

How do I iterate over a range of numbers defined by variables in Bash?


What is the correct capitalization if "3D Printing"?


java.lang.NullPointerException: Attempt to invoke virtual method (In Creating new Activty From Fragmnet Using Findviewbyid)

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


Layout inflater on a custom Dialog fragment return a null pointer exception


How to open the Preview window maximised by default?

How to set default Window position and/or size?


Attempting to Format Symbol and Text in Two Columns


What are the differences between Generics in C# and Java... and Templates in C++?


How can we make publication-quality PlotMarkers without version 10?


"You may only load the flag dialog every 3 seconds" shows up on every click, but the dialog still opens

Close popup doesn't appear after editing the question without refreshing the page


How to add a reference to assembly in C#?


Because of in the beginning of a sentence


How to change the the style of a vector layer programmatically?

How to change the color of a vector layer in pyQGIS?


Invoke Method with Linq Expression Parameter

How do I use reflection to call a generic method?


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


Duplicate Modifier parameters in other objects?

Add the Same Modifier to Multiple Objects at Once?


Scoring predictions of an ordinal variable


UK Visitor visa: Applications in same envelope?

UK Standard Visitor Visa: How to mail multiple applications when applying as a family


Contour integral of $\displaystyle\oint_{c} \frac{e^{ix}}{1+z^{2}} dz$

Computing $\int_{-\infty}^{\infty} \frac{\cos x}{x^{2} + a^{2}}dx$ using residue calculus


undefined reference to functions in ncurses library

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


Compass is not pointing to spawnpoint in 1.9

Do compasses still point towards your spawn/bed?


what's the difference between C# compilation setting "/debug:pdbonly" and "/debug:full"?

Should I compile release builds with debug info as "full" or "pdb-only"?


Protonmail-bridge install fails with unmet dependencies ttf-dejavu

Unable to correct problems, you have held broken packages


Facebook Graph API v2.0+ - /me/friends returns empty, or only friends who also use my application


How to get to black market on bo3 multiplayer


is the AFNetworking synchronous request possible?

Can AFNetworking return data synchronously (inside a block)?


I can not open softwer boutique ,or pacage manager

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


Non-static method cannot be referenced from a static context (Java)

Calling Non-Static Method In Static Method In Java


What is that thing between CSS "selectors" called?


Find $E[N]$ for $N =\min\{n:U_1+U_2\cdots+U_n>1\}$ where $U_1,U_2, . . .$ are independent uniform (0,1) random variables.

What is the expectation of the following random variable


C converting 8 bit values into 16 bit values

How do I determine the size of my array in C?


How to handle a native OS (Ubuntu) file upload window in selenium in java

How to handle a native OS (Ubuntu) file upload window in selenium webdriver with python?


No maintenance folder under management in SSMS

No Maintenance Plans Folder in SQL Studio 2008 R2


Backup tools for backup Linux and Windows systems with encryption


Can I transfer multiple Pokemon at once?

Is there a way to transfer more than one Pokemon at a time?


My secondary mirror won’t go up with the main mirror?


choice of command-line operator and running a bunch of command line commands one after another

Which one is better: using ; or && to execute multiple commands in one line?


Does this site meet the Stack terms of service?

A site (or scraper) is copying content from Stack Exchange. What should I do?


I Cancelled Microsoft 10 Reservation and uninstalled KB3035583 but Window 10 is still trying to install

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


Regularization of linear regression problem

How is the lasso orthogonal design case solution derived?


I want to increase the size of my boot partition (Ubuntu 14.04 version)


Retrieve memory usage and CPU usage from jvm


UK Standard Visitor Visa: How to mail multiple applications when applying as a family


how to get the archieved version of 2.79b which WON'T install?


How to partially enable a field in biblatex?

Suppress a biblatex field in only one of split bibliographies?


Java RegEx replaceAll throws ArrayIndexOutOfBoundsException

How to avoid ArrayIndexOutOfBoundsException or IndexOutOfBoundsException?


How to boot Ubuntu after installing Windows 8 on another partition?

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


Reset equation numbering after each section


How can I remove a file named beginning with `#`?


on Bind View Holder returning Null pointer exception when updating Textview text despite being fed a Dataset

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


Attempt to invoke virtual method 'java.lang.String java.lang.Integer.toString()' on a null object reference


In QED why is the electron a point particle?

Where is the evidence that the electron is pointlike?


Getting an error when printing the middle character of a string

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


Applying ownership patterns from another server


How do I make UILabel display outlined text?


When do you use Java's @Override annotation and why?


How do I re-add "free space" partition back into a single drive?

Restore Macintosh HD to its original partition configuration


JSF 2.0 dynamically add and delete a table row using a request bean

Creating master-detail table and dialog, how to reuse same dialog for create and edit


Smoothness is the same as regularity at closed points for a finite type scheme of pure dimension $d$ over an algebraically closed field

Problem with Jacobian criterion and regular local ring