Proving $\phi(G)$ is cyclic if $\phi$ : $G \to H$ is group homomorphism and $G$ is cyclic

Let $f:G\to G'$ be a surjective homomorphism. Prove that if $G$ is cyclic, then $G'$ is cyclic.


Why is a user not a member of their private group (UPG) according to the GUI? (although CLI proves the opposite...)

Why can other users see the files in my home folder?


Prove $p(x) = x^3+x+1\in\mathbb{Z}_5[x]$ is irreducible over $\mathbb{Z}_5$

How to check that a cubic polynomial is irreducible?


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


If $F$ is a free module then $-\otimes F$ is an exact functor

Proving that free modules are flat (without appealing projective modules)


To prove triangle inequality for $d : \mathbb C \times \mathbb C \to \mathbb R$ ; $d(x,y):=\frac {|x-y|} {\sqrt{1+|x|^2}+\sqrt{1+|y|^2}}$

Proving that the triangle inequality holds for a metric on $\mathbb{C}$


How do you split a list into evenly sized chunks?


Is there a difference between new foo() and just foo()?

JavaScript difference between function and new function


Why can a manifested creature be turned face up if it loses all it's abilities but a morphed card can't?

Does Humility prevent Manifested creatures from being turned face-up?


Using \in with uppercase letters does not look good


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


Get md5 hash of a file in ftp server using java


Is it possible to use an AMD A4 APU on AMD E1 mainboard?

What do I need to know before upgrading the CPU of a laptop?


Will health beta ever pass the beta phase?

Graduation, site closure, and a clearer outlook on the health of SE sites


sum of integers using order of integers and primitive roots


snap - how to grant /tmp access to snap chromium?

Why can't Chromium suddenly access any partition except for /home?


How do I create a new .mpeg from the last 10 seconds of an original using ffmpeg or MEncoder


Matcap materials as a material for render?


Can I skip over releases when upgrading?


When I have two cards with cohort would there tap ability works at the same time?

Can I pay two different costs with the same payment?


ConcurrentModification Exception while Iterating

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


How to get the path of a running JAR file?


does reassigning an object cause garbage-collection of the old object and all anonymous eventhandlers attached to it

Is it necessary to explicitly remove event handlers in C#


How to set different fonts for input placeholder and value?

Change a HTML5 input's placeholder color with CSS


When to use linear discriminant function and when logistic regression?

Logistic regression vs. LDA as two-class classifiers


ArcGIS - possible to set the drawing order of polygon features

what dictates the drawing order of overlapping features with in the same layer/feature class in ArcGIS?


Number of permutations when $1$ does not immediately precede $2$ ...


Should list my advisor as an author on a paper I wrote alone?


PHPDoc type hinting for array of objects?


Programming to an interface. How to decide where its needed?


How to input bibliography right after text using biblatex?

How to make a bib entry appear also in the main document


subspace of c^3 of a group above complex and real numbers

Subspace of $C^3$ that spanned by a set over C and over R


Array to string conversion problem in PHP7


How can I upload files asynchronously with jQuery?


Is there a way to show progress when copying/moving files using the command line?

How to show the transfer progress and speed when copying files with cp?


How do surfaces absorb or reflect light? Specifically, what is the physical process happening at the molecular level?


download csv from google insight for search


Difference between vector spaces and fields

What is the main difference between a vector space and a field?


TV Arcs with Cablebox through both Coax and HDMI


How to create own templates in Texmaker?


Refused to login into iOS app using Google auth

Can't login with Google on recently released iPhones and iPads


"I better not ask," vs "I had better not ask."


Is It Possible to Create a Bootable Ubuntu Install Within Chrubuntu?

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


Ubuntu 12.04 Wireless problem in hp pavilion g6


Installed Mint on external SSD, now Ubunty won't boot without SSD plugged in

Can't boot without Flash Drive plugged in


I new an Integer instance but it gives me a Long instance

Why does the ternary operator unexpectedly cast integers?


Is it possible to convert an ntfs partition to ext3?


Do I need to add liquid to my slow cooker dish?

Do slow cookers require liquid to operate?


Locked out from Windows 8.1 administrator account being disabled


How to prove $\text{Rank}(AB)\leq \min(\text{Rank}(A), \text{Rank}(B))$?

How to prove and interpret $\operatorname{rank}(AB) \leq \operatorname{min}(\operatorname{rank}(A), \operatorname{rank}(B))$?


Python: Efficient way of having ternary operator

Does Python have a ternary conditional operator?


Is there a way to get all values in NSUserDefaults?


Is there a combinatorial way to see the link between the beta and gamma functions?


bash: ./flash_tool: cannot execute binary file: Exec format error

bash: ./program: cannot execute binary file: Exec format error


What is another way to say "Mature in thinking"

A fitting word/description for a person who seems more mature in appearance than most people his age?


How to find the directory from where the script is invoked without using $pwd in the my script

Get directory from which script was called from


Upgrading to new release when previous release reaches end of life

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


EditText needs clicking twice to open search dialog

How to do something after user clicks on my EditText


If I have an x64 capable CPU, but install a x86 Ubuntu distribution, can I still run 64bit executables?

How can I switch a 32-bit installation to a 64-bit one?


Can formating C drive and installing ubuntu make data lost in other drives?

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


Carrera Crossfire 2 Hybrid Bike to a road bike

Upgrading straight handlebars to drop handlebars


Mapping that proves $\mathbb{Z} \subset \mathbb{Q}$


Memory Consumption Steadily Increases for Empty Project

Excessive Memory Consumption in blank-ish WinForms application


How can store String[](array) in String[][] (arrays of array)

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


Prove $\lim_{n\to\infty} \frac{f(b_n)-f(a_n)}{b_n-a_n} =f'(c)$

Prove that $f'(a)=\lim_{n\to\infty}\frac{f(b_n)-f(a_n)}{b_n-a_n}$ under some conditions


How to implement 2d collision detection that is immune to low framerate and fast movement?

How do I handle collision detection so fast objects are not allowed to pass through walls?


How to handle System.Data.Entity.Validation.DbEntityValidationException?

Validation failed for one or more entities. See 'EntityValidationErrors' property for more details


“MOZILLA_FIVE_HOME not set” zekr quran ubuntu 13.04 ERROR

"MOZILLA_FIVE_HOME not set" Zekr Qur'an study software java error


The square root of a prime number is irrational

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


A question based on the paper 'ON THE ELECTRODYNAMICS OF MOVING BODIES'

Does a photon instantaneously gain $c$ speed when emitted from an electron?


How to automatically load the ToMatlab toolbox when opening the software?

What is the right place for user-defined init.m?


example of discontinuous function having direction derivative


How to secure database passwords in PHP?


Is there a built-in way to simulate assignment of values to arguments?


Equivalence of $P\rightarrow Q$ and $\lnot P\lor Q$

Equivalence of $a \rightarrow b$ and $\lnot a \vee b$


With a large number of ignored tags, editing them becomes a hassle

Move the Add Favorite / Ignored Tags boxes to the top


Delete the phrase "I'm" from the sentence by native speaker

"Looking forward to hearing from you" - May I omit "I am" at the beginning?


Limits Problem : $\lim_{n \to \infty}[(1+\frac{1}{n})(1+\frac{2}{n})\cdots(1+\frac{n}{n})]^{\frac{1}{n}}$ is equal to..

Evaluating $\lim\limits_{n\to\infty} e^{-n} \sum\limits_{k=0}^{n} \frac{n^k}{k!}$


Evaluating the nested radical $ \sqrt{1 + 2 \sqrt{1 + 3 \sqrt{1 + \cdots}}} $.


What is the difference between the 18-55mm Nikon kit lens and the Nikon Nikkor Lens ‑ 35 mm ‑ F/1.8 ‑ Nikon F?

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


Whats the best way to parse a stringified array in javascript?

Safely turning a JSON string into an object


Folder keeps changing back to read-only. What permissions setup causes this in Windows?

Having trouble with Windows XP Read Only Settings on a folder


How do I return a Json objects sub object without knowing the objects name?

How do I enumerate the properties of a JavaScript object?


Is it a wise-decision to buy full-frame lenses for use on an APS-C body?


How to parse json in javascript having dynamic key value pair?


Question about possessive (adj/pron) with additional party

"Nikki's and Alice's X" vs. "Nikki and Alice's X"


Forward an invocation of a variadic function in C


A question regarding finding the minimal polynomial associated with a field extension .

Degree of the splitting field of $ x^3-5 $ over $\mathbb{Q}$


Why is this number : $e^{e^{e^{79}}}$ conjectured to be an integer number which is a skew number?

How to show $e^{e^{e^{79}}}$ is not an integer


How can i Bypass the owners Google account verification on Android v10

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


prove that $|\{0,1\}^{\mathbb{N}}|\leq |\mathbb{R}|$

The set of real numbers and power set of the natural numbers


Add UIView Above All Other Views, Including StatusBar


how to check package version before install

How can I check the available version of a package in the repositories?


Keras accuracy not affected by any change in model

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


How would we calculate the dipole moment of a charge combination (of 3 or more charges) whose magnitudes are different but net charge is zero?

Meaning of the phrase "dipole moment of the combination"


Pythonic Way to Sum List of Lists of Strings


biometric chip in UK passport not working

What happens if the electronic chip on your passport is broken at a port of entry to the US under the Visa Waiver Program?


Strange error when decreasing double value


$L^2$ norm convergence with continuity assumption

Does $L^p$-convergence imply pointwise convergence for $C_0^\infty$ functions?


Multivariate log-normal probabiltiy density function (PDF)


addClass work only on  elements that is in html file

Event binding on dynamically created elements?


Allow only one instance of python script?

Check to see if python script is running


Suggested operatonal definition for a tensor


What special characters must be escaped in regular expressions?


How do you install an HP Envy 4250 printer with the Ubuntu operating system?

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


Incorporating UserInput simultaneously while running code (same command line)

How do I parse command line arguments in Bash?


Concerning the definition of a valuation map

Simple property of a valuation on a field


Why can't I catch any Pokémon in Pokémon Go?

Why can't I catch Pokemon in Pokemon Go anymore?


How to hide "No items were found on player [ign]" message in chat when using Citizens NPC /clear command

Is it possible to disable the 'Block Placed' message when using tellraw /setblock?


In JavaScript's Underscore.js library what does 'context' mean and how do I use it?

What is context in _.each(list, iterator, [context])?


Fantasy story with Female Lead where magic is used by a "web" inside her head

Trying to remember a book involving a girl from a distrusted race becoming a mage and a dragon


Do you need to completely reinstall Ubuntu non-LTS every update?

What's the difference between a Long Term Support Release and a Normal Release?


Get list of files deleted by `find -delete`


php mysql doesn't update the last row while reading from javascript

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


Just want to ask if my bank account is safe by giving out my account number?

Is it safe to give out one's bank account number?


Locate the file that a given non-clustered index is stored on?

Primary filegroup is full SQL Server 2008


Does anyone know a good resource that gives a full tutorial on UV unwrapping?


Does $Z[x]/(3,p(x))$ equal to $Z_3[x]/(p(x))$ for all integer coefficient polynomials?

Justifying $\,\Bbb{Z}[i]/\langle 2\rangle\cong \Bbb{Z}[X]/\langle X^2+1,2\rangle\cong \Bbb{F}_2[X]/\langle X^2+1\rangle$


How do I install applications in Ubuntu?


Difference between writing `function Name { ...; }`, `Name () { ...; }` and `function Name () { ...; }` in bash

difference between "function foo() {}" and "foo() {}"


Is it possible to use the Unity Dash search features in a different enviornment, such as XFCE?

Is there a shell-independent search tool like the Unity's Dash?


How to use __name__ == "__main__" to write a python script?

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


Need to know how to check how much time job takes to complete execution


Can a probability distribution value exceeding 1 be OK?


Let a, b and c be odd positive integers . Show that the quadratic equation 𝑎𝑥^2+𝑏𝑥+𝑐=0 has no rational solution.

Prove $ax^2+bx+c=0$ has no rational roots if $a,b,c$ are odd


How do I log into my Linux laptop if I have forgotten both the login and password?


jQuery selector can't find my SweetAlert2 elements

Event binding on dynamically created elements?


Hp compaq 6510b with Ubuntu & Windows Vista xp / locked out because lost Adim password

How do I reset a lost administrative password?


Is there a word that can describe someone who says a lot but takes no action?

Looking for a word to describe a person who is all talk and no action


Binding controls inside a custom UserControl to external controls

How to Bind to a Custom Controls Button Visibility from Within Another Control


JavaScript object: access variable property by name as string


java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.TableRow.addView(android.view.View)' on a null object reference

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


Lost power during upgrade, how do I recover?


What API function do I use for redirecting to external URLs?


javax.servlet.jsp.PageContext cannot be resolved to a type

How do I import the javax.servlet / jakarta.servlet API in my Eclipse project?


Why is Xubuntu 17.04 refusing to update my software?

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


Function pow() does not work correctly when using big numbers?


Analogy of Pearson correlation for 3 variables


$A$ compact $\implies$ $\overline{A}$ compact?

Topology: Example of a compact set but its closure not compact


Using regex to match two specific characters

Regular Expressions: Is there an AND operator?


Unable to correct problems, you have held broken packages


If A, B, and C are set and $A \subset B ,B \subset C \rightarrow A \subset C$


Is it legal to embed the fonts that come with Adobe Reader in a PDF and distribute that PDF?

Is it legal to convert a not-freely-distributable font to "path" and distribute it?


C++ conversion from string to object identifier

converting a variable name to a string in C++


How to compile libimobiledevice 1.2 on Ubuntu 15.04?

libimobiledevice 1.2 (iOS 8 Support) for Ubuntu 14.04 Trusty


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


How to use groupby() function present in itertools


Could anybody explain me what´s pass argument in python?


Conjugate subgroup strictly contained in the initial subgroup?


Where is the forward delete button in iPhone’s keyboard?


Redirect to a view with contextual filters


Is the total energy of the universe zero?


Can I merge duplicate data.SX queries I've written?


Does using Views & Panels on every page will effect site performance (speed)?

How many web pages can the Panels module handle?  What's the performance impact?


How to create folder name or file name with special characters like \ / : * ? "  |

How would I go about creating a filename with invalid characters such as :?> ?


Placing x-axes label below rather than at end of axes


Applying the sum-of-digits operation to $4444^{4444}$ three times

Write down the sum of sum of  sum of digits of $4444^{4444}$


How to prevent iPhone from vibrating during calls?

Stop iPhone alerting me when I'm in a phone call


Why does re.Match object return an end index higher than expected?


How to apply a png texture over my material?

Add a transparent image on top of a material


Converting/Parsing an Enumeration to a String More Generically


Is it possible to detect processor architecture in java?


Java check against null object unexpected behavior


how to iterate a map in lightning component to match parent and child id?

How to iterate over map in Salesforce Lightning Component?


how to schedule a salesforce job every 3 months?

Salesforce: how to schedule a task to run on the first day of every quarter


SQL Query as a string - safe from injection?


When do machine learning algorithms beat deep neural networks?

Is there any supervised-learning problem that (deep) neural networks obviously couldn't outperform any other methods?


C# inject custom code into the compiler to create custom compiler warnings and errors

User defined compiler warning or error in C#


Show that if $A ⊆ C$ and $B ⊆ D$, then $A × B ⊆ C × D$

If $A \subseteq C$ and $B \subseteq D$ then $A \times B \subseteq C \times D$


Density of sum of two independent uniform random variables on $[0,1]$


@property declaration and curly brackets declarion

Difference between properties and variables in iOS header file?


My Ubuntu 14.04 Wifi not working Toshiba L650 tried everything


got LNK2019 and LNK1120 when compiling BST source code

Why can templates only be implemented in the header file?


Declare a generic type instance dynamically

How do I use reflection to call a generic method?


access nested dictionary with a list of keys

Access nested dictionary items via a list of keys?


Book series with humans vs. Demons and dragon bone ships

Looking for title and author: fantasy, shapeshifting thief, sorceress


Security best practices for mysqli connection in PHP

How to secure database passwords in PHP?


Does Google index/crawl display:none divs?

How Google reacts on display:none for CSS media query?


Why am I getting problems with compling with my textfields?

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


What is more acceptable—"Hopkins's" or "Hopkins'"?

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


I'm getting some error while trying to read some datas from database android


Is this form of Bernoulli's inequality for n variables correct?

Proof of an inequality by induction: $(1 + x_1)(1 + x_2)...(1 + x_n) \ge 1 + x_1 + x_2 + ... + x_n$


Proving the existence and uniqueness of a cyclic group of $G$ (Group Theory)

Finding the perimeter of a right triangle with area given


/usr dir with all permissions denied even from root

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


How to combine 2 or more c# assemblies into 1 library?


Two websites with semi-similar keywords on same IP server / SEO affecting SERPS

SEO scope for multiple domains hosting on the same IP address


Bounty not received after grace period despite satisfying auto-award conditions

Bounty not awarded after the end of the grace period?


How can I make a rounded indentation on a cylinder?


C preprocessor macros with variable arguments, logger

Why use apparently meaningless do-while and if-else statements in macros?


How does a load-balancer manages end user http sessions?

What kind of load balancing algorithms are there


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


init float array given increment with Linq

How to initialize an array with numbers separated by a specific interval in C#


Numerical tests of Titius–Bode formula for artificial planetary orbits

Why do the planets' orbital distances fall on an exponential curve?


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


Which words in a title should be capitalized?


place a form within popover in bootstrap 3?

Contain form within a bootstrap popover?


Can't Do nothing (no edit, no reordering) with the Path System environment variable in Windows 10

How do I bypass restrictions on the length of the PATH variable


$\text{Evaluate:} \lim_{b \to 1^+} \int_1^b \frac{dx}{\sqrt{x(x-1)(b-x)}}$


How to write letter "K" as a full word correctly?

Is there a formal spelling for the English letter names?


Using affiliate links in answer/question


How to know who accessing my computer via ssh command remote in Ubuntu?


Show convergence of $\sum\limits_{n=1}^\infty n x^n = \frac{x}{(1-x)^2}$

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


Monitoring a keyboard in a non-active window

Global keyboard capture in C# application


java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.ProgressBar.setVisibility(int)' on a null object reference

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


Display X clients on from Ubuntu host on Cygwin box through VPN

What does "Warning: untrusted X11 forwarding setup failed: xauth key data not generated" mean when ssh'ing with -X?


What features differ between the Xbox 360 and PC versions of Minecraft?


How to disallow iPhone shutdown while in lock screen?

Prevent shutting down iPhone when passcode lock is on


Node.js - parse object from stringified version


How to sort an NSMutableArray filled with my own objects

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


How to get a number of friends that like particular page in Facebook

Facebook API: Get fans of / people who like a page


How to fix error java.lang.NullPointerException


Replacing JSON Populated TextView with JSON Populated ListView

JSON String is incorrectly mapped to textviews


How do I get i7-1065G7 (late 2019 HP Spectre x360) to identify laptop monitor in Ubuntu 18.04?

Dell Inspiron 3593 shows display unclaimed for Intel Device 8a56 (rev 07)


How to skip "no.," when using ieee biblatex style with biber?

Biblatex ieee incorrect display of volume and issue number


Show the following points are independent on elliptic curve $y^2=x^3-82x$ using Sage.

Sage code to check independence of rational points on elliptic curve


How can we insert multiple objects with the same name into the Windows Recycle Bin?


Frivolous/"super-downvote" flagging of Meta Stack Exchange answers as VLQ/NAA

Is it ok to flag answers as "low quality" because they are wrong?


String contains any items in an array (case insensitive)


What is the integral of function $f(x) = (\sin x)/x$


Transforming vertices, edges or faces affects surrounding areas

Nearby objects won't move independently?


How do I get to my profile on the iOS app?

Add a link to the profile in the left sidebar


2d Array Java NullPointerException Issue

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


Calculating the height objects fall from

Ascertain the height an object has fallen from given force exerted and mass


Cannot install .deb pakages using software centre ubuntu 17.04


Disable "Are you sure you want to quit this application"

How to shutdown OSX and avoid programs inturrupting the shutdown?


Searching a keyword in multiple pdf files


Best way to implement keyboard shortcuts in a Windows Forms application?


c - overwriting newline escape character with null terminator causes segfault

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


$x\in \mathbb{R}\setminus\{0\}$ and $x + \frac{1}{x}$ is an integer. Prove $\forall n\in \mathbb{N}$ $x^n + \frac{1}{x^n}$ is also an integer.

Proving that $\frac{\phi^{400}+1}{\phi^{200}}$ is an integer.


Delay of 15 hours in Air India Flight from New York to Delhi

Does Air India provide any compensation for delayed flights?


\newcommand causes undefined control sequence in section

How to make the correct hash-symbol in C Sharp (C#)


Flagging and up-voting comments in not possible on the Surface tablet


Are domains with gTLDs (.ninja, .guru, .museum, etc.) bad for SEO?

When, if ever, and how, would Google, Yahoo, Bing, etc will add the new gTLD to their search results?


How do I tell my brother that he needs to wake up early tomorrow?

Present Simple vs Present Continuous for future actions


R paste values dynamically with seperator


"As I had intended to" at the end of a sentence

Using (or not) the word "to" in a sentence ending with "be able"


Optimization when Cost Function Slow to Evaluate


Alias for redirecting both standard output and standard error, as well as sending to background


For which $q\in \mathbb{C}$ is the series $\displaystyle{\sum_n p(n)q^n}$ convergent?


Why did Snape help Harry in the Philosopher's Stone?

Why didn't Voldemort suspect Snape as a double agent during Philosopher's Stone?


Search and replace a line in a file in Python


How to make a function with its own options as well as passing options to other functions

Function with custom Options and modified Options for built-in Symbols


What does $\sum_{n=0}^\infty 1/n^n$ converge to?


How do i create a wifi - hotspot using my wired connection?

How to create a Wi-Fi Hotspot (in Access Point mode)?


How can I enumerate unfiltered Linux syscalls?

System calls supported in running Kernel


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


Unity: getting a maximum of 10 out of 20 questions quiz game Multiple Choice

Select N random elements from a List in C#


How would one represent/model the effect of air resistance on horizontal motion?

Explanation that air drag is proportional to speed or square speed?


const to non-const iterator comparisons, are they valid

Is comparison of const_iterator with iterator well-defined?


How does Ridge regression / Regularization help in selecting less or more important features?

Why does the Lasso provide Variable Selection?


I'm stuck in a teleporting loop. What can I do?


How does one match an element in jQuery without needing to match case?

Case-insensitive attribute-value selector with Jquery


What is the difference between a.b and a$b, please?

Java class name containing dollar sign fails to compile if an inner class is present


PHP - Stop The execution after a finite time

How to catch the fatal error: Maximum execution time of 30 seconds exceeded in PHP


declaration of a local array of size 10^6 in c

Getting a stack overflow exception when declaring a large array


Access denied to Windows partition on Ubuntu 17.04

Unable to mount Windows 10 partition; it "is in an unsafe state"


how much money can immigrant family carry to USA?

How much cash can I carry when travelling to the US?


Bizarre behavior with DOS batch if statement: expected or bug?

Example of delayed expansion in batch file


How do I identify predatory and low quality journals? With Beall's List gone, how can I tell if a journal is spam?


Strange artifacts along window borders after waking computer from sleep mode


How do I find the index of an element in a list in Racket?


What is the easiest way to run a script automatically at startup in Ubuntu 20.04?


Travelling 3.6 LY at $(3/4) c$, how much time passes for the traveler and how much time passes for the people in Alpha Centauri?

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


What is this story I'm trying to remember, set in an alternate black and white dimension?

Story about students stuck in a black and white universe


Do we know for sure that laws of physics are time invariant?


How to get all possible unique variants from all possible combinations

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


How to prove $\sum_{k=0}^{n-1} \cos\frac{2k\pi}{n}=0$

$\sum \cos$ when angles are in arithmetic progression


Get all print jobs from locale printer and cancel print job JAVA

How do I get a list of installed printers?


How to install JDBC driver in Eclipse web project without facing java.lang.ClassNotFoundexception


Why is the work done by a rocket engine greater at higher speeds?

Where does the extra kinetic energy of the rocket come from?


How to handle java.io.InvalidClassException?

What is a serialVersionUID and why should I use it?


Is there a way to burn Ubuntu on a CD ROM?

Brasero says it won't burn the CD because the file is too big, what's going on?


import from Excel adds a point to each number ...How to get rid of it?

What are the most common pitfalls awaiting new users?


Reduce spacing between chapter and head of page


How do I define global variables in CoffeeScript?


Trouble trying to use Windows Search to search for file with a question mark in the content


Why is gravity so hard to unify with the other 3 fundamental forces?


'help' link is located lower than the other items


Count number of distinct columns in a matrix


What slows down time relative to an observer: super gravity or super speed?

Is gravitational time dilation different from other forms of time dilation?


Attempt to invoke virtual method on a null object reference - Fragment Android

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


Apex Test Class for very simple apex trigger


Appropriate database schema for heroes' skills in a Tower Defense game?

Should I use a database to store ~10 000 names in a sports game?


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


What linux shell command returns a part of a string?


$\int_{-\infty}^{\infty} x^pf(x)=0$ for all $p\geq 0$, how to prove $f=0$ with the Fourier transform?

If $f\in S_\infty$ and $\int_{\mathbb{R}}x^pf(x)d\mu=0$ for all $p\in\mathbb{N}$ then $f\equiv 0$?


Download salinity data from Government of Canada

Downloading salinity data from Government of Canada


Undefined symbols for architecture x86_64: stack

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


Null Pointer Exception: Attempt to invoke virtual method on a null object reference


Is it possible to make git to track empty folders?

How can I add an empty directory to a Git repository?


How can I fix my app crash after take a photo in android


"A friend of my father" vs. "a friend of my father's" — which one is right? Why?


biblatex verbose style full author list on first use

biblatex – et al. beginning from second citation?


skip page count on blank pages in openright, twoside style

Don't count empty pages in twoside+openright documents


How to change texture interpolation of many images all at once?

Is there a way to make a node property value the default?


What is the difference between "result" and "outcome" in that context?


product of quasi-coherent sheaves is not a quasi-coherent sheaf

Arbitrary products of quasi-coherent sheaves?


Why is address of char data not displayed?


MySql : Updating all except the first row

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


What does "options = options || {}" mean in Javascript?

What does the construct x = x || y mean?


Value of sum of binomials: $P = \binom{N}{0}-\binom{N}{1}+\binom{N}{2}-\binom{N}{3}+ \dotsb + (-1)^N\binom{N}{N}$


Convert spectral distribution to RGB color


How to access a Java object in JavaScript from JSP

Access Java / Servlet / JSP / JSTL / EL variables in JavaScript


2 monitors - different resolutions - cursor between monitors

Cursor hitting "border" between differently sized monitors


An inequality involving limit inferior and limit superior

Inequality involving $\limsup$ and $\liminf$: $ \liminf(a_{n+1}/a_n) \le \liminf((a_n)^{(1/n)}) \le \limsup((a_n)^{(1/n)}) \le \limsup(a_{n+1}/a_n)$


What is the difference between local and global sequence alignments?


Allow inviting people with rep < 20 to private chat?


get warning for autolayout, NSAutoLayout,objective C

Centering subview's X in autolayout throws "not prepared for the constraint"


How to call a phone number from ios app?

What’s the correct URL for placing a call on an iPhone?


PlayOnLinux Help - Error: What's the reason for this apt-get install error?

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


Philosophical question about Pi and connections in maths


If A is a countable set, how can I show that A has countably many finite subsets?

Neatest proof that set of finite subsets is countable?


how to disable remember password popup in all browser

Disable browser 'Save Password' functionality


Polynomial $p(a) = 1$, why does it have at most 2 integer roots?

Number of integral roots of a polynomial


What rule forbids "To boldly go where no man has gone before"?

Adverb between conjugated verb and infinitive?


Add new value to an existing array in JavaScript


Update automatically a database table with the information of a table of another database on the same server

How to update a database (d2) based on the information of another database (d1)


How to uniquely identify each value of lightning select as well as button with same aura id

Can we use the event's attribute "path" in Lightning?


Is there a way to set an "Adventure Mode Boundary" in Minecraft?


How can I make gnome-shell treat both monitors in the same way (Ubuntu 14.04 trusty edition)?

How can I make gnome-shell treat both monitors in the same way?


javascript popup help when writing js to a table

Event binding on dynamically created elements?


Why is negative times negative = positive?


The introduction for Context in Wagner's book is out of date?


Filter list of Cities with latitude and longitude on given Distance from another City (with lat/long)?

Calculate distance between two latitude-longitude points? (Haversine formula)


Riddle (simple arithmetic problem/illusion)


Android Eclipse boots up into emulator, but I need it to display Hello World


git clone hex2hcd "command not found" Ubuntu bluetooth

How to run scripts without typing the full path?


Windows 8 License Transfer on a Toshiba Laptop

How to install Windows 8 without the setup DVD that came with my notebook?


Which Luke Skywalker lightsaber is in TFA?

In Star Wars: "The Force Awakens," how could this lightsaber have turned up where it did?


fread: How to know the size of the buffer?

How do you determine the size of a file in C?


What resolution should a large format artwork for print be?


A class to access other class's private field

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


Which is more appropriate — "I work for" or "I work at"?


Continuous functions such that $f(x)+f(x^2)=x$

How prove there is no continuous functions $f:[0,1]\to \mathbb R$, such that $f(x)+f(x^2)=x$.


Markdown in chat works on multi-line messages on the star board

Markdown in multiline messages does get rendered when starred


Unable to install Ubuntu 18.04 from 17.10

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


Finding the limit of $\sqrt{9x^2+x} -3x$ at infinity

Finding $\lim\limits_{x \to \infty} (\sqrt{9x^2+x} - 3x)$


Why do I get one extra wrong solution when solving $2-x=-\sqrt{x}$?


PDO - Call to a member function execute() on a non-object

Reference - What does this error mean in PHP?


counting Numbers of sets with given specifications


What is the exact definition of a Metacircular Interpreter?


Finding a conformal map from this region into the unit disk

Conformal Map from Vertical Strip to Unit Disc


Weak convergence and $\|f_{n}\|\rightarrow\|f\|$ implies strong convergence

weak convergence in $L^p$ plus convergence of norm implies strong convergence


Theoretical Possibility of "Opposite" Gravitational Mass?


Setting value of field in all selected rows of table using ArcGIS Desktop?


Assigning to variable from parent function: "Local variable referenced before assignment"

Don't understand why UnboundLocalError occurs (closure)


Unable to implicitly 'wrap' an IEnumerable


How do I draw a DensityPlot in polar coordinates?


No counter 'chapter' defined. \begin{document}


What would you see dropping a sufficiently strong chain with substantial length into a black hole?

Another layman blackhole question, pulling one end of a string out from behind the event horizon


How can I typeset the reduced Planck constant (ℏ)?

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


string to double or float cuts off decimal points

How do I print a double value with full precision using cout?


Exponent font size change when using overbrace


create a Windows bootable USB stick with Ubuntu

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


Java Bit Operations: replacing nibble of hex


If an animal companion wears barding without armor proficiency, do they incur the penalties?

Are mounts proficient in armour (barding)?


Getting extent of composer map in PyQGIS?


mysql LIMIT and retrieve rows constantly

MySQL Data - Best way to implement paging?


Make BigDecimal truncate instead of round

Java BigDecimal remove decimal and trailing numbers


Why did Walter White decide to become a teacher after Gray Matter?

Why did Walt have to teach high school chemistry?


Why can’t I have multiple apt installs at once?

Why the software center doesn't allow multiple downloads?


How is the vacuum of Star Wars space different from that of the Milky Way?

Why aren't the humans wearing environmental suits in Star Wars spacecraft?


Domain redirect to main domain with language param (301)

How should I structure my URLs for both SEO and localization?


My online friend is asking for money in order to visit my home country. Is this a legit request or a scam?


Calculating the 95th percentile: Comparing normal distribution, R Quantile, and Excel approaches


Irregular mask size compositor vs movie clip editor


Prove that formule is true in every realisation of language

How to check, whether the formula is a tautology


Can you cast Minor Illusion without being noticed?

How loud/obvious is a wizard casting a spell?


Finding all real valued functions that satisfy $f(f(y) + xf(x)) = y + (f(x))^2$


Does this website provide consistent translation into Wookiee?

Was the Wookiee language fully designed or is it just random emotionally-relevant sounds?


How can I eliminate condensation on my toilet tank?


iMessage crashes upon opening (Cannot text)


What is the simplest way to prove that Earth orbits the Sun?


Subgroup of$\mathbb{Z}$ and finite subgroup of $\mathbb{Z}$


How can I work with file uploads during a Webdriver test?


Hide some fields in the NewForm.aspx for a custom list


Using HashMap to store and retrieve objects in Java

How do I efficiently iterate over each entry in a Java Map?


Warning when logging in to data.se with Google account

"OpenID 2.0 for Google Accounts is going away"; will this affect Stack Exchange?


is there any way i can replace the text in this pattern #abcd# to #{abcd} in notepad ++?


Overriding public virtual functions with private functions in C++


.NET framework bug? Parameter of override method does not change

Why use the 'ref' keyword when passing an object?


Why isn't the size of an array parameter the same as within main?


How do I disable the guest account on Ubuntu 13.10 (Saucy)


Is it possible to make a template function that is a friend to a bunch of similar classes?

Why can templates only be implemented in the header file?


Finding out what App causes unwanted new tabs in firefox on Android

How to find out which app is trying to open spam websites?


$H < G $, if H is normal, then $H=gHg^{-1}$

$H$ is normal subgroup of $G$ iff $gHg^{-1}=H$ for every $g$ of $G$


Create single TELNET object for multiple functions in Python


Iterate over an object's "public" attributes

Iterate over object attributes in python


Latex, left margin align equation in a longtable

Latex longtable, start equation on new line


Split text at the right time in javascript

How do I split a string, breaking at a particular character?


How can I install the Google Apps Package (Play Store, ...) on my Android device?


How to know which object is using a material


Generating a cryptographically secure, many-time use, symmetric encryption key


'\cite{}' is behaving oddly: it will only show [?]

Why didn't \printnoidxglossaries print anything with \cite{} in document?


Disabling Lock Screen Fade to Black on Ubuntu 17.10 (Wayland)

Screen turning off when idle even with power settings disabled


If a Parallelism Exchange Event deadlock is victim-less, is it a problem?


The degree of field extension $ [\mathbb Q(\alpha):\mathbb Q] $

$\zeta_5$ has degree $4$ over $\mathbb{Q}$ and $\zeta_7$ has degree $6$ over $\mathbb{Q}$


Is it bad to run a processor at above 90% for long periods?

Can I run my CPU at 100% usage for a long time?


How to make the glittery effect cleaner on cycles render?

How would you approach a shader for a glittery eyeshadow


using outside smtp to deliver cron generated emails

What minimal SMTP client will allow me to relay cron output to an external email address?


what is the equivalent in Javascript of this Python code?

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


sudo error, is mode 0777, should be 0440


Did Apocalypse enhance mutants' superpowers permanently?

Is Charles Xavier the only one whose powers were not permanently affected?


Speed of object towards a point not in the object's trajectory?


Add ability to sort by flag status in profile


Error in an array, java.lang.NullPointerException

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


How to Change the Default Editor for Git

How do I make Git use the editor of my choice for commits?


What is the difference between ls and ls -l?

Difference between ls -l , ls -ltr and ll?


How am I able to insert an ArrayList into a constructor that accepts List?

Java generics type erasure: when and what happens?


How to find transformation matrix, specifically a rotation, between two given 3d vectors?

Calculate Rotation Matrix to align Vector A to Vector B in 3d?


Is there a way for normal, non-moderator users to search for deleted questions, or could one be added?

Enable searching with deleted:1 for 10k users


Variance of linear combination of random variables

Variance of a linear combination of vectors


How to comfortably interact with famous professors?


The Probability of Rolling a Large Straight with 5 Six-Sided Dice

Possible Combinations in a Yahtzee Straight?


Apply Bevel/rounding to junction of two combined forms


Endofunctors of $\textsf{FinVec}$ which are not $C^n$


Ubuntu wont load, stuck for over an hour with "Started waiting until snapd is fully seeded"

Long boot delay on Ubuntu loading/splash screen following regular dist-upgrade on clean SSD install (18.04)


Does the concept of infinity have any practical applications?


Wifi cuts in Kubuntu 14.04 with RTL8723BE PCIe Wireless Network Adapter

Wifi Not Working On Ubuntu 14.04 Lenovo G 50-30


Find the double integral by changing to polar coordinates

By changing to polar coordinates, calculate the integral.


Ability to sort/reorder interesting/ignored tags in sidebar


Is there an OCR that can convert an image of a formula into a TeX markup?


What is the cause of a hard-drive which suffers the click-of-death?

What is causing my hard drive's click of death?


(How) Can I use existing stapled electrical wire to fish new wire?


How can I export 3D plots as vector graphics?

Export Plot3D in Mathematica 10.1 is Rasterized by default


Book or short story about a future where humans go to a supposed virtual world

VR arcade game teaches teenagers to live on another planet


How to regular-subdivide an irregular edged flat surface in Blender

How to divide a face into a square grid?


How do I switch between two notebooks in Mathematica 9 interface?

How can I change the keyboard shortcut for switching the active window?


How do I select the "last child" with a specific class name in CSS?

Can I combine :nth-child() or :nth-of-type() with an arbitrary selector?


How to test multiple variables against a single value?


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


Prove $\lim\limits_{n \to \infty }\sqrt[n]{a}=1$, if $a>0$

Prove that $\lim_{n \to \infty} \sqrt[n]{a} = 1$ using only the basic properties of sequences


Why PHP script is not workig in a web browser?


Are threads implemented as processes on Linux?


Is there a logical (boolean) XOR function in C or C++ standard library?


how to open a link in new window using html?


Trigger a select form element to show its options (open drop down options list) with Javascript


Problem after upgrading Ubuntu 13.10 to 14.04

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


Block communities from "Hot Network Questions"

Filter "Hot Network Questions" by excluding sites


Can gedit split view to compare code like Notepad?


What is the best USB file system format for linux?


How can I strengthen an extra wide desk?


Connect to Salesforce using wsdl in Drupal 8

Load external php library in custom module


Is it possible to render an equirectangular image in Blender Internal?

equirectangular rendering for Blender Internal?


Total Physical Ram not showing full ram installed

Is there way to enable more than 4 GB RAM in 32-bit Windows OS?


NO_APPLICABLE_PROCESS while submitting approval for time sheet entry

NO_APPLICABLE_PROCESS :No applicable process found!


Unable to open the /etc/environment using gedit in linux Debain distro

How to properly edit system files (as root) in GUI (and CLI) in Gnu/Linux?


Intuition behind proof in the Rudin book that there is no largest/smallest real number.

Choice of $q$ in Baby Rudin's Example 1.1


How to declare a static variable in Javascript


What does the typical workflow of a journal look like?


Why is $(0, 0)$ not a minimum of $f(x, y) = (y-3x^2)(y-x^2)$?


Mkdir and all command - No space left on device


Selecting every n-th element from a list


Source of least square estimator of Poisson parameter

Least Squares Estimation of Poisson Parameter


How can I generate a radom number for twice?

Seedable JavaScript random number generator


Visual Studio Character Sets 'Not set' vs 'Multi byte character set'


Create subdomains on the fly with .htaccess (PHP)


In Pokemon Go, would it cost the same stardust and candies to Power Up if the Pokemon is evolved first or afterwards?

Does it make a difference to CP if you feed candies before or after evolving?


Show that $\frac{1}{2}(|z|+|w|)|\frac{z}{|z|} + \frac{w}{|w|}| \le |z+w|$ with $z \neq 0$ and $w\neq0$


getting NullPointerException from findviewbyid in FrameLayout

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


print lines if comma seperated fields matching together in another line

How do I print all lines of a file with duplicate values in a certain column


How to print colored text to the terminal?


Invariant subspace of group representation


What packages are in Ubuntu but not in Debian?


How do I deal with a compromised server?


Divisibility, LCM and GCD for fractions (rationals)


What do prime ideals in $k[x,y]$ look like?


"dpkg: trying to overwrite '.../gsettings/gnome-settings-daemon.convert also in package gnome-settings-daemon" when upgrading to Trusty

How do I resolve unmet dependencies after adding a PPA?


Why does 'if not ' check empty string in python


Can a single particle create a black hole?


Proving the Rietz-Fischer Theorem for $p = \infty$

Understanding proof of completeness of $L^{\infty}$


iPhone won't open Safari - or other - pages

Safari on iOS 9.2.1 / 9.3 won't open links


How do I install a .tar.gz (or .tar.bz2) file?


Hints for showing that if $x,y \geq 0$, then $(x+y)^k \geq x^k + y^k$ for all $k \geq 1$

Show $(x+y)^a > x^a + y^a$ for $x,y>0$ and $a>1$


Meaning of "She wheedled her mother into buying John a mink coat"?

Meaning of “She wheedled her mother into buying John a mink coat ”?


Noun order: "He and we..." or "We and he..."? Similarly, "...him and us" or "...us and him"?


UNIX - Setting string variable with other variables inside

When do we need curly braces around shell variables?


Wrong results when appending vector to itself using copy and back_inserter


The camera's view is grey/grayed and I can't see anything out of the camera's sight?

Gray cone obscuring/clipping the 3D Viewport


parsing a file then using each word as a constructor parameter

How do I iterate over the words of a string?


What is involved in converting a PC video card to have boot screen on the Mac?


Will Customs in India figure out that I have two laptops?

Can I take two laptops to India from United States? One bought in India and one in US


Partition by most recent data - Sql Server 2012

Nondeterministic functions in sql partitioning functions


Display text in table vertically in thead


How do I get all possible solutions in an underdetermined system?

How do I make Reduce yield all solutions explicitly?


Does the MySQLdb module support prepared statements?

Does Python support MySQL prepared statements?


What are reserved filenames for various platforms?


Event binding on dynamically created elements?


Computer noob needs help with video format conversion

What's video converters are available for Ubuntu?


Why are my questions closed by these users?

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


Checking if an ORG Wide Email Address has been verified in Apex

To Check if Org-wide email is verified in APEX


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


How do I increase swapfile in Ubuntu 18.04?

How do I increase the size of swapfile without removing it in the terminal?


Ruby - Calling setters from within an object

Why do Ruby setters need "self." qualification within the class?


Performance penalization in (VAR)CHAR vs INT for PKs

Is there a REAL performance difference between INT and VARCHAR primary keys?


Anyone know how to recreate this colour effect?

How to make an image look like an all-white sculpture in Photoshop?


How to name an item in a pre-filled chest

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


Install Ubuntu on an external hard drive

How to install Ubuntu on portable external Hard Drive?


Aura Component + HttpCallout + Large File Response


Is it possible to use the listview control used by the windows explorer?


The WineHQ PPA does not have a Release file

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


Nvidia driver for Dell Inspiron 14r 5420

Getting hybrid graphics to work nvidia-prime GT650M


Can every proof by contradiction also be shown without contradiction?


How does this character return this stone in its original form?

How could they return the Infinity Stones in their "raw" form?


Get Selected value from Multi-Value Select Boxes by jquery-select2?


Android app keeps crashing on emulator and device

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


How to split a String sentence into words using split method in Java?

How to split a string with any whitespace chars as delimiters


Increase the highlighted button bezel thickness (GNOME)


Another question about how to learn algebraic geometry...

Best Algebraic Geometry text book? (other than Hartshorne)


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


Is the universe fundamentally deterministic?


Issue Sorted custom post by custom field in loop

Is it possible to sort the post based on a custom field?


Code leaving random string at end of output


How to keep cycles material when exporting to unity?


How to scrape only textual content inside multple div

Extracting text from HTML file using Python


How to show TCP listenings and filter them by local IP on Windows?


Headings don't show the content correctly

Chapter name in the header with \chapter*


List of tuples: group by first element of tuple; sum up the second element per group

Combining values in one column (or part) when values in another column (or part) match


Troubleshooting ARD and making connections more reliable

What does it mean when a computer is 'greyed out' in Apple Remote Desktop?


create a dynamic combo box using values from database in JSP


Preserve original dict order rather than random?

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


Restricting an SSH/SCP/SFTP user to a directory


Search SVN File's History for Particular String

Searching subversion history (full text)


Difference between assignment of a variable to a number and lists of numbers in Python

List vs. int assignment - "Every variable is a pointer"


Why does Grover's Diffusion Operator have the word "diffusion" in its name?

Significance of the term "diffusion" in Grover's diffusion operator


How do I select an object in the 3D viewport?


Pre-1960s novel where Earth humans are kidnapped by psychics from another planet

Can you identify this novel about mind control, where everyone wears catsuits?


How to ask for clarification from editor on suggested edits

Please make pending edit suggesters be @reply-able in comments


uk standard visa - how much money is needed in bank for indians

How much money do I need to show as proof of support when applying for a UK Standard Visitor visa?


How to print the characters horizontally?


Any fallacy in "No one else has come up with a better explanation, therefore my explanation is true"?

What fallacy dismisses a conclusion because supporters give invalid arguments for it?


BibTeX referencing cannot find .aux file

Can I have a reference with spacing using bibtex? Like \cite{Author Year}


SO mobile site "Your Answer" textbox appears on top of flag dialog


Establish that 7 is a primitive root of any prime of the form $p = 2^{4n} + 1$.

For every prime of the form $2^{4n}+1$, 7 is a primitive root.


movie ID : about a group of teenagers being killed on a floating wood deck

Can you identifiy this short about teenagers on a raft getting swallowed up by an oil slick?


Why do we require a topological space to be closed under finite intersection?


How to measure time in presence of a strong gravitational field?


Jquery line item script calculations and ajax calls

Event binding on dynamically created elements?


Windows Explorer hangs, while "working on it" (Quick Access)

Windows 10 File Explorer: "Working on it ..."


How can I pass data from Flask to JavaScript in a template?

JavaScript raises SyntaxError with data rendered in Jinja template


Prove that a sequence converges monotonically to the solution of an equation.

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


What would happen if you died in normal SAO before the Kayaba announcement?


Find the key of maximum values of maximum key in a dictionary in case of duplicates of values

Getting key with maximum value in dictionary?


Confused over what self means in this method

Why use "self" to access ActiveRecord/Rails model properties?


Looking definition of \setminus to call with \DeclareMathSymbol

Importing a Single Symbol From a Different Font


Null DateTime Insert into SQL by Asp.Net


Find the dimension of a subspace and the orthogonality complement of another

The dimension of the intersection of two vector subspaces


Which button was clicked among a same class of buttons

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


strange output of array as function argument in C

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


Validate decimal numbers in JavaScript - IsNumeric()


Looking for an endorser to publish on arxiv.org as well as other suggestions


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


I lost my textures when I exported my project to another computer

.fbx export why there are no materials or textures?


Delete statement sql cause error when used in PDO

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


elegant way to sync file between local machine and server (in real time)


Is it incorrect to use "&" instead of "and" in a professional document?


In-line long division symbol (French style)


Insert comma separated values in single column of mysql table using c#

Syntax error due to using a reserved word as a table or column name in MySQL


How to allow accessibility permissions from command line

Change accessibility setting on Mac using terminal


What is the difference between "vlc" and "VLC media player" in Ubuntu Software in Ubuntu 16.04?


Where is the logical error resulting in my negative variance?

Correlation between three variables question


If $k, m, n$, are natural numbers and $k \leq n$ What is the final answer of this :

Binomial-coefficients if, k, m, n natural numbers and k \leq n the result of


Why CNN input images are often square shaped?

Reason for square images in deep learning


invisible in Gmail when using Chrome Hangouts

How can you change your status in Google Hangouts from Gmail?


How are strings VS chars handled in C# vs Javascript?

What's the difference between double quotes and single quote in C#


How to find a bijection from [0,1] into (0,1)?


Not able to understand "Attention" para from USN-2872-2: Linux kernel (Wily HWE) vulnerability

A question about the last security update for Ubuntu ("ATTENTION: Due to an unavoidable ABI change...")


How do i see which softwares are installed in ubuntu?


How to achieve fall-off-the-bone lamb with browned bits in oven?

How to cook fall-off-the-bone beef spare ribs in oven or on stove top?


Mass infringement of Stack Exchange copyright

A site (or scraper) is copying content from Stack Exchange. What should I do?


Order of operations, precedence in Mathematica


Conjecture: Is the identity $2^5-5^2=2+5$ unique?

How to prove that $x^y - y^x = x + y$ has only one solution in positive integers?


Google Chrome update and sign-in problem

No more updates for Google Chrome 32-bit


Countable set of finite sets is countable (without the axiom of choice).

Choice function for collection of arbitrary finite sets. AC required?


Solve the limit: $ \lim\limits_{n\to\infty}\prod\limits_{1\leq k\leq n}\left( 1+\frac{k}{n} \right)^{\frac{1}{k}} .$


In what physical situation would the correlation of two spins be useful?


Retrving data from MySql with case sensitivity

How can I make SQL case sensitive string comparison on MySQL?


After replacing all tables in an old website with divs, what other steps should I take?

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


Moto g 2 Battery is draining within 3 hours

What can I do to increase battery life on my Android device?


Inserting a (jpg) picture into a cell in Microsoft Excel 2007


Custom text color in C# console application?


Is there a way to auto-run a script when entering a directory in powershell?

Replace Builtin commands with Custom Commands for CMD.exe


Drupal adding multiple directories to URLs creating duplicate content

Need to redirect the non-existence URL's to 404 page instead of parent url


Stuck on crucial step while computing $\int_{- \infty}^{\infty} e^{-t^2}dt$


My storage keeps increasing drastically despite not downloading anything and freeing up lots of space (4GB>200mb??)

How disk space is used on Android device?


Minecraft crashes on launch with EXCEPTION_ACCESS_VIOLATION, Problematic frame: ig4dev32.dll or ig4dev64.dll or ig4icd32.dll or ig4icd64.dll


What's wrong with my jquery code? (tutorial code doesnt work)

Why does this work in jsfiddle but not in my document


What is the difference between CPU and Microprocessor?


Cannot use object of type stdClass as array?


"Will + be + verb -ing)" vs "Will + verb" ?


how do you make the top of a cylinder round and the bottom a hexagon

Best way to create blended cylinder/hexagon?


How do I avoid rendering glitches from overlapping faces?


System.IO.FileLoadException: 'Could not load file or assembly 'Serilog'

The located assembly's manifest definition does not match the assembly reference


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


change directory in shell script based on prompt

Script to change current directory (cd, pwd)


Why do incrementing operators(++) in a while loop don't evaluate until they have done at least one loop?

Difference between pre-increment and post-increment in a loop?


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


Typewriter text without spaces not wrapping in LyX

How to automatically hyphenate within \texttt?


How do I prove that there are no repeating integers and all numbers from 0 to b-1 are present?

$ax\equiv b\pmod{\! n}$ has a unique solution if $\gcd(a,n) = 1$


How to boot from USB when USB stick is plugged in and otherwise Windows from HD?


What will happen if catch block or finally block having some exception?

Exception thrown in catch and finally clause


A required meta-data tag in your app's AndroidManifest.xml does not exist.


Smoother UI for “purge all comments” from the moderator dashboard

Deleting comments under posts in the mod queue should be easier


Why aren't electrons positively charged?

Why is the charge naming convention wrong?


How to install additional package in anaconda3?

Some programs not found when used with sudo


I spilled some milk on MacBook Pro, there is no sound what should I do?

No sound (speakers/jack) + microphone's dead after spilling water


$\nabla U=0 \implies U=\mathrm{constant}$ with $A$ connected and $U$ continuous?

$\nabla U=0 \implies U=\mathrm{constant}$ only if $U$ is defined on a connected set?


What does it mean when a C++ file has .cpp.hpp at the end of the filename?


SyntaxError: invalid syntax "url = ("https://etherscan.io/address/%s"address)


Does the estimation process in a regression effect multicollinearity tests

Should one be concerned about multi-collinearity when using non-linear models?


How can I tell what is "real" Motley Fool advice?


Prototype equivalent for jQuery before function

Can I insert elements to the beginning of an element using .appendChild()?


As a 10k user, how do I ignore deleted answers?

Hide deleted answers with certain characteristics


Custom attributes in ASP.NET web forms HTML tag


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


How to perform replacements defined in one file on another file


Bind arraylist value to JSP dropdown list

Filling HTML  dropdown list in JSP with values fetched from database in Servlet


jquery event on dynmically created table row

Event binding on dynamically created elements?


How to make ends of a beveled curve sharp?


Why passing std::move(object) and member of this object to function causes SIGSEGV

Compilers and argument order of evaluation in C++


Is my Stack Overflow account protected vs identify theft?

Logins can be added/removed without reauthenticating, allowing temporary XSS to be escalated to permanent account hijacking


How do I install and manage GNOME Shell extensions?


How to write a script that will run some sudo terminal commands automatically at startup

Alternative way to run a sudo command on startup


How do I assess the level of liability I will be resposible for when I buy shares of companies listed in the various stock exchanges?

Can a shareholder be liable in case of bankruptcy of one of the companies he invested in?


WHY did he go slightly "pink" ?? Does it mean angry, embarrassed, healthy or other meaning in this sentence?

Why does he go "pink with the effort" while watching morris dancing?


If $A$ is an associative algebra Show that $End_{A}(A)=A^{op}$ the algebra with opposite multiplication

For a ring $R$, does $\operatorname{End}_R(R)\cong R^{\mathrm{op}}$?


cursor on unity launcher "refreshes" desktop in 16.04LTS

Ubuntu 16.04 Jan 3 2018 update causing screen/access issues


Why hadn't SE had HTTPS for a long time?


"My sister and I" versus "I and my sister"


Select a site to pin spinner shows wrong info


Top tags are different between mobile app and site

Tag score calculation wrong in Android App


EditText and string the same activity, and not submit button

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


How to find solutions of linear Diophantine ax + by = c?


Poweredge 1950 iii SO LOUD with 8gb fb-dimm stick


How can I apply a modifier to selection only?

How to extrude X and Y axis on a traced object (flatten)


Why does my iPhone power off when the battery is down to 30%?


print(..., end=' ') with immediate output

How can I flush the output of the print function?


Why does 2//0.2 return 9.0 but 5//0.5 return 10.0 in Python


Display the value of the EditTextPreference in summary

How do I display the current value of an Android Preference in the Preference summary?


Idea behind proof that $\frac{21n+4}{14n+3}$ is irreducible for all $n$


How to use PC internet in to android phone using usb cable

How to use Windows' internet on Android phone through USB cable


Impossible to delete a file in Windows 7 (2)


How can heaters using the same type of fuel be more or less efficient than each other?


How to use Mathematica functions in Python programs?


Since last update markdown rendering doesnt work

Black is Back! New update with Achievement shows black backgrounds with black text


Justification of the energy and momentum operators in quantum mechanics

How to derive or justify the expressions of momentum operator and energy operator?


Nothing shows up in the terminal when I type my password


Which of the Following Sets are compact (C.S.I.R 2015)

Which of the following sets are compact:


How to remove HTML tags from string - Objective C

Remove HTML Tags from an NSString on the iPhone


Does there exist a $2×2$ matrix such that $A^2 \neq 0$ but $A^3=0$?

How to show that the nth power of a $n \times n$ nilpotent matrix equals to zero $A^n=0$


Where do I ask a question about a company's goal for example?

On which Stack Exchange site can I ask customer service questions about product X or company Y?


How many hours should a baby sleep in a day?


How to add an accepted but not published paper to my CV?

How "submitted", "to appear", "accepted" papers are evaluated in a CV?


Integrating $ \int_2^4 \frac{ \sqrt{\ln(9-x)} }{ \sqrt{\ln(9-x)}+\sqrt{\ln(x+3)} } dx. $


How to interrupt a rendering which is not displayed in the UI to interact with?

Is it possible to make a sequence of renders and give the user the option to cancel the process through the UI at any given time?


jQuery isn't work when I clone the new element

Event binding on dynamically created elements?


Compute $\lim_\limits{n\to\infty}a_n$ where $a_{n+2}=\sqrt{a_n.a_{n+1}}$


Is there a word category for a certain kind of words beginning with 'a-'?

What is the history of adding the a- prefix to form words?


Create dynamically button in ajax and used it


Comparing two strings, ignoring case in C#


Finding a mistake in this 'proof' that $1 = 2$.


Solution of limit $\lim\limits_{x\to 0} \frac {e^{-1/x^2}}{x} $


Why is an algebra over a ring called an algebra?


How to send data from one view controller to other in storyboard

Passing data between two controllers using storyboards


Getting IllegalStateException on Button Click - caused by: java.lang.NullPointerException

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


A word to describe responses such as "I see" and "Okay"


What's the water volume of an horizontal cylinder when x<R


Difficulty understanding why acceleration of free fall is lower at the equator than the poles

Why is Earth's gravity stronger at the poles?


Copy paste of const and non-const methods

How do I remove code duplication between similar const and non-const member functions?


How to escape [ bracket while using sed command?

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


Passing an array into another method in java


When does the browser execute Javascript? How does the execution cursor move?


Multiple commands and subshell execution after pipeline


How to model an equilateral triangular pyramid?

How to construct a pyramid in blender but the edges of the triangles to be equal?


What are the different use cases between an HMAC and digital signature?

What are the differences between a digital signature, a MAC and a hash?


Staticmethod as property without instantiation


Ubuntu 20.10: There was an error creating a child procsess. fix please


Is the moment of inertia of the bicycle wheel relevant for keeping bicycle in the upright position?

Why doesn't a bike/bicycle fall if going with a high speed?


sudo apt-get update - error 404 on 16.04

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


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


Testing Custom Object History Query Apex

Is it possible to test apex that relies on field history tracking?


Check solution for $\lim_{n\to \infty}\int^1_0 f(x^n)dx\,$

Show that: $\lim \limits_{n \rightarrow+\infty} \int_{0}^{1}{f(x^n)dx}=f(0)$


Karn, the Great Creator - Does "from outside the game" have to be Standard if we're playing casual?

Karn, the Great Creator - what defines a 'card from outside the game' in sealed?


Difference between first newton's law and second newton's law ?


Anti Join based on multiple keys / columns (SQL)

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


How to prove the rank of the conjugate transpose equals the original matrix?

rank of complex conjugate transpose matrix property proof


Let $A$ be an $n\times n$ matrix over real numbers such that $AB=BA,$ for all $n\times n$ matrices $B$

A linear operator commuting with all such operators is a scalar multiple of the identity.


How do I remove the Cmd+Shift+I shortcut?

How to prevent Command-I/Command-Shift-I from opening Mac Mail when in browser?


Find pattern using grep and then replace with sed

Appending word at the end of line with sed


How to add vertical space after \hline without breaking vertical lines in a table


Messaging failed - doesn't give more info. as to what to do about it

Can't login with Stack Exchange OpenID when HTTPS-Everywhere plugin is active - apparent protocol mismatch


Install Ubuntu 16.04.1 amd64 on a Lenovo T61

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


How to find ma and nb that multiply to c?

Euclidean Algorithm - find $\gcd(172, 20)$ and solve $172a + 20b = 1000$.


INSTALLING UBUNTU 12.04 fro already downloaded file (installing with pendrive)


Sandisk USB 8gb only shows 64mb, can't be formatted in any form

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


Why does HashMap#containsKey take an parameter of type Object?

What are the reasons why Map.get(Object key) is not (fully) generic


Does this sequence of real numbers converge?

Show that the sequence $a_n\leq a_{2n}+a_{2n+1}$ diverges


Is if-then-else syntax on Ubuntu different than CentOS?

Why is this .sh script run on CentOS but not on Ubuntu?


NullPointerException and Skipped 110 frames

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


I've got this Integral to evaluate , a really messy one

tough integral involving $\sin(x^2)$ and $\sinh^2 (x)$


how to shift items up and down in the html

Can I use jQuery to easily shift li elements up or down?


What Webserver Do I Need For A Social App

How to find web hosting that meets my requirements?


Short story where human colonists accidently make extinct the only local food they can digest


What is a good book to self-teach optics?

Where is a good place to learn classical optics for high school competitions?


Evaluating Mortgage Refinance Loan Offers - Short Time Frame


How to check formatting of a SHA-1 message-digest


Why the heck installing pop theme turned my whole ubuntu into pop os?

After update, Ubuntu has now become PopOS


How to force long lines to automatically split into several to fit on the page?


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


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


Examples of cases where using private variable/methods in oop languages is useful/necessary

Why "private" methods in the object oriented?


how to clean my enameled cast iron pot I burned soup dry in

How do you clean a seasoned cast iron skillet?


UV map / model turned black on saving - how to recover?


When saving images in photoshop CS6 as png they get a white background

How do I handle thumbnails of white-on-transparent pngs in Bridge?


Python: try except KeyError vs if has_key()

`if key in dict` vs. `try/except` - which is more readable idiom?


“Graphics is not a Graphics primitive or directive.”?

Graphics is not a primitive or directive- please help!


What are the possible catch bonuses and how much experience do they reward?


How can I write multiple lines in a subscript?


Auto arrange irregular shapes inside of artboard


Reading a file line by line into elements of an array in Python

How to read a file line-by-line into a list?


How to show: $\psi^{(0)}\left(\frac{1}{n}\right) - \psi^{(0)}\left(1 - \frac{1}{n}\right) = -\pi\cot\left(\frac{\pi}{n}\right)$


Limit a generic type argument only to be a numeric type

Is there a constraint that restricts my generic method to numeric types?


How to check string in current URL with javascript?


Apache: HSTS redirection on non-standard HTTP port causes SSL error

Apache answer both HTTP and HTTPS on the same port


Prove that $\gcd(g_a,g_b) = 1$ given that for $n \in Z^{\geq 0}$, define $g_n = 2^{2^n} + 1$


Photoelectric effect and photons: what suggests a particle nature if we only measure resulting current?

Can the photoelectric effect be explained without photons?


the disk drive for /dev/mapper/cryptswap1 is not ready yet or not present error on startup


How can we know if iPad is using bluetooth keyboard or device virtual keyboard?

How can I detect if an external keyboard is present on an iPad?


Calculate $\lim_{n\to\infty} \sum_{k=n}^{2n} \frac{1}{k}$

The limit of truncated sums of harmonic series, $\lim\limits_{k\to\infty}\sum_{n=k+1}^{2k}{\frac{1}{n}}$


Characters not encoded properly in a Spanish website


JQuery : What is the difference between "var test" and "var $test"

Why would a JavaScript variable start with a dollar sign?


How to prove that $\sqrt 3$ is an irrational number?

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


What is the qualitative difference between quantum superpostion and mixed states?

How is quantum superposition different from mixed state?


Are density states more fundamental than wavefunctions?

Is the density operator a mathematical convenience or a 'fundamental' aspect of quantum mechanics?


cpp preprocessor output not able to understand?

What is the meaning of lines starting with a hash sign and number like '# 1 "a.c"' in the gcc preprocessor output?


Cannot get regular expression work correctly with new line

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


Interpretation of beta Coefficients if Transformed in a Multivariate Cox Regression

Interpretation of log transformed predictor and/or response


Seeking up to date Italian administrative boundaries?

Seeking administrative boundaries for various countries?


downloading the file and cancel in python


Sorting elements within a tuple (getting the highest)

How to sort a Python dict's keys by value


What do three dots (...) indicate when used as a part of parameters during method definition?

What do 3 dots next to a parameter type mean in Java?


is it better to use DDR4 Ram Instead of the Old DDR3 to Prevent data Corruption?

Is DDR4 RAM compatible in a DDR3 RAM slot?


I have to modify a Polynomial implemented with integers, so that it can hold BigIntegers as well

How can I fix this "plus" method in Polynomial class using BigInteger


How to prove this? "For all sets $A,B\subseteq D$ and functions $f:D\mapsto R$, we have $f(A\cap B)\subseteq(f(A)\cap f(B))$."

Prove $f(S \cap T) \subseteq f(S) \cap f(T)$


Left side menus/controls not showing in new top bar

Image of Stack Exchange button is blocked by Adblock


How to float until on left (or right) page?


Can't remove a hidden bootcamp partition

How can I merge primary APFS partition with other empty APFS partition?


Custom Taxonomy: show one or the other term

Some doubts about how the main query and the custom query works in this custom theme?


$f_n → f$ uniformly on $S$ and each $f_n$ is cont on $S$. Let $(x_n)$ be a sequence of points in $S$ converging to $x \in S$. Then $f_n(x_n) → f(x)$.


JavaScript get clipboard data on paste event (Cross browser)


Levi Civita and Kronecker Delta identity

Proof relation between Levi-Civita symbol and Kronecker deltas in Group Theory


Check if a process is running and exit if it is already running

Ensure a single instance of an application in Linux


How can I prove that $(a_1+a_2+\dotsb+a_n)(\frac{1}{a_1}+\frac{1}{a_2}+\dotsb+\frac{1}{a_n})\geq n^2$

Prove that $\left(\sum^n_{k=1}x_k\right)\left(\sum^n_{k=1}y_k\right)\geq n^2$


Unable to uninstall wine in Ubuntu 18.04


If $x^n + a_{n-1}x^{n-1} + ... + a_0 = 0$ has a rational root, then such root is an integer


Menus overlap/hide Menu Extras. How to access?

Menu bar icons get hidden by long menu bar items


Is there any way to retrieve Windows product key from backed up license or recovery partition?

Will a clean install of Windows 8 recognize an OEM license/product key?


I cant center image without absolute position and other esle

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


A problem with deriving posterior of particle filter

Why $p(y_n|y_{0:n-1})$ is a constant in Kalman filter derivation?


Pythonic way to prevent multiple instances of an application from running

Make sure only a single instance of a program is running


How to exchange a heavy box of mixed-denomination coins?


What military rank (if any) does Darth Vader hold?

What was Darth Vader's official role (or rank) in the Empire?


How is the Top Answerers Score Calculated?

How often is total score for a tag calculated


How can I sync the new "people" (face recognition) metadata across devices in Photos (iOS 10 and MacOS Sierra)?


Find limit $\lim_{n\to \infty}\frac{\sum_{k=1}^n k^n}{n^n}$.


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


Completely remove Ubuntu and partitions from Mac OS X Lion

How do I completely remove Ubuntu 12.04 on my Mac?


Is it possible to make a tiny approximation in the equations of General Relativity so that they collapse to Newton's law of gravity?

How can we recover the Newtonian gravitational potential from the metric of general relativity?


What does this C++03 std::allocator function do?

What uses are there for "placement new"?


Not able to get any output from awk command in shell script


Changed behaviour of read.csv since R 3.1.0

preserve old (pre 3.1.0) type.convert behavior


I need a Custom crafting with the option of destroying specific blocks (Canbreak command)

Does Minecraft 1.14.4 allow NBT tags in crafting recipes?


How to avoid answering "No problem" when receiving thanks?


Finitely generated R-module is a field iff R is a field?

Proof that an integral domain that is a finite-dimensional $F$-vector space is in fact a field


NullPointer exception whenever using synchronized block

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


Illustrator CS5 stroke moves anchor points

Shape gets distorted when adding stroke in Illustrator CS6


Read committed snapshot:Finding lock on table


How can I prevent my external hard drive from automatically poweríng on right after I unmounted it?

Ejecting a USB 3.0 drive connected to USB 3.0 port reconnects immediately


Forms inside a form with conflicting form actions


Find a specific function in several notebooks


Understanding simple transcendental field extensions

Transcendental Extensions. $F(\alpha)$ isomorphic to $F(x)$


App is crashing when trying to check radio button status


How can I make a hard drive copy its contents to another hard drive in real time?

Automatically make or update a copy real-time on another hard drive volume whenever files are saved to a particular folder


The fastest way to get the most recent records


How to get validation to work properly on my input fields

Validate decimal numbers in JavaScript - IsNumeric()


How do I get the boot manager to give me an option to choose from which os I want to boot?

How to add ubuntu to windows 10 boot manager, but it will be in another hard drive?


How to switch from List of rules to Association?


Find all strictly monotone $f:(0,+\infty) \to (0, +\infty)$ such that $f(\frac{x^2}{f(x)})=x.$


See what's in a stash without applying it

Is it possible to preview stash contents in git?


Understanding the multiplication of fractions


Infinite Integer Linked List NullPointerException

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


How to use another mirror with Macports?

How to use a different mirror of macports rather than the offical mirrors?


Why do so many cinema industries have "wood" in their name?


How to obfuscate Python code effectively?


$trc(A)=0$.why $A=M+N$ where $M$ and $N$ are nilpotent matrices?

Let $trcA=0$.why $A=M+N$ where $M$ and $N$ are nilpotent matrices?


Evaluate $\lim_{n \to \infty} \frac{1}{n}\int_{0}^{n}\frac{x\ln(1+\frac{x}{n})}{1+x}dx$

fine the limit : $\lim_{ n \to \infty }\frac{1}{n}\int_{0}^{n}{ \frac{x\ln(1+\frac{x}{n})}{1+x}}=?$


Restore original permissions for system files

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


How to remove GRUB after deleting Ubuntu and repair Windows MBR

How to remove Ubuntu and put Windows back on?


Why string or object type don't support nullable reference type?


How do you validate a binary search tree?


Accepted answer give me just 10 instead of 15 points


Difficulty choosing between "would" and "will" in a seemingly real conditional sentence

First conditional with "would" instead of "will"


Are there any video editors in Ubuntu that can handle some of the tasks below?


Extra vertical space after frame in document class {book} when a image not fit on the page


How do I use regexes properly in the matches() function (java)?

How to validate an email address using a regular expression?


Why C doesn't allow implicit conversion from char ** to const char *const * (and C++ does)?

Why can't I convert 'char**' to a 'const char* const*' in C?


Prove $u\left( x\right)=W\left( x\right)+W'\left( x\right)+W''\left( x\right)+ \cdots \ge 0.$


Unable to locate package libesd0-dev on Ubuntu 18.04

What can I do if a package is not available on the newest version of Ubuntu (18.04) but is available on older versions?


Set of linear transformations being a vector space

Prove that $L(V,W)$ forms a vector space


Invisible faces problem in Game Blender Engine


Pure CSS to make font-size responsive based on dynamic amount of characters


Why does MacBook connect to AirPort Express but has no internet connection, while iMac works just fine?

Why can I no longer get an internet connection when using my old Macbook and AirPort Express?


Remove old kernels from /boot to free up space


Why did it take so long for Jacob to recover his supposedly happy memories?

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


C socket - connection refused at the second try


How do you validate phone number in asp.net?

How to validate phone numbers using regex


How to scan text from a file and save into an array Java

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


byte z[] = new byte[5]; - What does this mean?

Difference between int[] array and int array[]


Is there a way to indicate the different area elements prescribed by the geometry package?

Displaying layout marks in a document set with different layouts


Using coin toss to decide winner among 3 children

Seven-sided dice from five-sided dice with finite rolls


Proper response to user abusing "flag as duplicate"

What is the proper behavior when someone abuses the close-vote superpowers?


How to recover permanant deleted files from ext4


Can I disable interpolation (enable nearest-neighbor filtering/upsampling) with \includegraphics?

My pixel perfect picture gets blurry when compiled in LaTeX


Do we need to handle the refreshing of registration ids even in the new process

Handling registration ID changes in Google Cloud Messaging on Android


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


Computing the integral of $\log(\sin x)$


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


How to get the date in a batch file in a predictable format?


Can I omit the "neither" in a neither/nor construction?


What would the correct way to add a conditional propertyCondition in an EntityFieldQuery


How to tell my apache server running in a docker container to write logs to stdout


Middle Name missing on Cathay Pacific Ticket

Bought a ticket with Finnair, didn't enter my middle name


Awk between two dates in a logfile - almost working

Filter log file entries based on date range


How do I convert my logic to an algorithm in Ruby? (Obtaining a sum of combination of values closest to the target)

Finding three elements in an array whose sum is closest to a given number


Why is ubuntu, or any OS for that matter, giving me a blank syslinux screen? (USB)

Not booting from USB or CD (SYSLINUX Message)


A system of logarithmic equations with parameters


When should I get business cards and how much do they actually matter as a graduate student who has not yet built up their CV?

Is a business card necessary for a graduate student?


How does one authenticate a machine with active directory?

How to detect if machine is joined to domain?


How do I turn a String structured as an Array into a type Array?

Safely turning a JSON string into an object


Given a finite group $G$ of order an even number, prove that $G$ contains a non-identity element of order $2$.

Group of even order contains an element of order 2


Is the frequency/wavelength of light modified when multiple light sources are combined?

How does light combine to make new colours?


PHP: How to deal with irregular dates like FEB 29 for reminder application?

Convert one date format into another in PHP


Problems with Netflix-App after upgrading to 13.04


Why is a capacitor used to protect CMOS chips?

What is a decoupling capacitor and how do I know if I need one?


how to pass parameter to shell script to use as part of variable filename

How do I parse command line arguments in Bash?


Allocating a vector vs. a pointer to a vector

Why should C++ programmers minimize use of 'new'?


java.lang.NullPointerException menu adding system

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


"Heads or Tails?" guessing game in Python


Understanding an example in Golan on pg.309

How to determine the Jordan form and give a Jordan base for a matrix?


The color of page number doesn't change in Beamer

Missing frame numbers with PaloAlto theme


Using Adodc control to subtract Queries Result

Combine Two SQL queries in one statement


Why does if statement never equal "0" or "1" ? I print variable "line" and it is a "0" or "1". But IF statement never works.


Why there is no `latest` version label in maven repositories like mvnrepository.com or nexus?

How do I tell Maven to use the latest version of a dependency?


What other materials, apart from flesh, can you use to interact with an iPhone Touchscreen?

What is the iPod touch's screen sensitive to?


two different gnome-software stores - same os Xubuntu 20.04lts - starting snap-store starts gnome-software?


Stop form from submitting , Using Jquery


Question about external JavaScript and SEO

Does the Google spider render JavaScript?


What should be length of keyword using for meta keyword tag?

What's the maximum length of the meta keywords tag?


Link to the recommended job is broken in the mobile apps


Remove elements as you traverse a list in Python

How to remove items from a list while iterating?


Oracle SQL get row with MAX value for each group in a set of grouped results

Fetch the row which has the Max value for a column


triple boot to Windows without loosing xubuntu and kali linux

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


Can I take two laptops to India from United States? One bought in India and one in US

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


Does an interface by default extend Object?

Do interfaces inherit from Object class in java


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


Can I apply multiple background colors with CSS3?


Where does the energy that release when bond is formed between two atoms come from?

The exact mechanism of energy release durning bond formation on the atomic level


ERROR: JDWP Unable to get JNI 1.2 environment


Practical way to find out if SMS has been sent


Why do we need an open set to define differentiability?

Most general $A \subseteq \mathbb R$ to define derivative of $f: A \to \mathbb R$?


How can I upscale my low resolution to hi-res image

How can I increase the size of a .jpeg without losing quality?


How to prove using AM-GM $ \frac{4}{abcd} \ge \frac{a}{b} + \frac{b}{c} + \frac{c}{d} + \frac{d}{a} $

Prove that $\frac4{abcd} \geq \frac a b + \frac bc + \frac cd +\frac d a$


How can I prove my proficiency in a math subject that I've learned on my own after I graduated?

How to make sure graduate admissions committees are able to recognize/verify the material a student has self studied


how to find difference between 2 sets without making change of any one?

What is the best way get the symmetric difference between two sets in java?


how to take a backup of my calender events in galaxy ace duos

How to backup the Android calendar file (is there such a file)?


Embed the existing code of a method in a try-finally block (2)


How to instantiate a class based on a variable type of the class to be instantiated

How to create a new object instance from a Type


Why is can number be divided by 3(ofc I mean we get an integer result) if its sum of digits can be divided by 3

Prove that if the sum of digits of a number is divisible by 3, so is the number itself.


Why do we use squared deviations to compute the SD, given that it amplifies the effect of outliers?

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


How to print a backslash (\) at the beginning of a string (c#)


The other part of my Mac hard disk is full?

MAC why the other part of my hard disk is completely full?


What is the significance of "microcontroller based on microprocessor"?

What's the difference between a microcontroller and a microprocessor?


If the Wish spell duplicates an Abjuration spell, does it charge the Arcane Ward?

When using wish to replicate a spell, what school of magic does it count as?


"Ph" for the /f/ sound; Is Old English responsible for this swap?


Count and store the unique values in a column


How can I change an element's class with JavaScript?


Shrink the size of a dynamically sized VMWare vmdk from maximum to current

VMware Workstation: how to reduce .vmdk maximum size


Prove that every number of the sequence $49,4489,444889,\ldots$ is a perfect square

Prove that in a sequence of numbers $49 , 4489 , 444889 , 44448889\ldots$


There is no group whose quotient by the center is isomorphic to the quaternion group

$G/Z$ cannot be isomorphic to quaternion group


Ubuntu 17.10 - Screencast always 0 bytes

Why are some of my screen-recording/capturing/sharing applications (or app features) not working in Ubuntu 17.10 (and later releases)?


Can I convert a 2D Region embedded in 3D into a 3D region, filling in the shell?


HP Stream 7 originally runs Windows - Can it run Android viably?

Can I install Android on my non-Android device?


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


how to add eventListener on a appended button which is dynamically copied from a hidden div?

Event binding on dynamically created elements?


When I add and array to an object using prototype in Javascript, all instances of the object act like they're sharing one array

Javascript object members that are prototyped as arrays become shared by all class instances


Warning: mysqli_stmt_bind_param() expects parameter 1 to be mysqli_stmt, boolean given?

mysqli_fetch_assoc() expects parameter / Call to a member function bind_param() errors. How to get the actual mysql error and fix it?


How can I apply a basic material to an object using python in cycles render?

Control Cycles/Eevee material nodes and material properties using python?


How to install Virtual box guest in Ubuntu 18.04

How do I install Guest Additions in a VirtualBox VM?


How do I increase line width in 3D Viewport?


Connection betwen definition of mapping cone of a topological space and of a Complex

Motivation for the mapping cone complexes


set open terminal's title only by typing into same open terminal (no .bashrc edit)

How do you set the title of the active gnome-terminal from the command line?


System freezes completely with Intel Bay Trail


Redshift couldn't be initialized after upgrading from Ubuntu 17.04 to Ubuntu 17.10

How do I get the Redshift functionality of smart adjustment of the color temperature throughout the day in a Wayland session of Ubuntu 17.10?


How do I run executable scripts in Nautilus?


how to feed the `find` output as the argument for bash?

How to iterate over arguments in a Bash script


Checking to see if the number the user entered is a prime number


I get a error whenever I try to show a location on the map retrieved from firebase

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


How can I disable this 'feature' of Emac's regexp replace (unwanted capitalization)

How do you tell Emacs to leave the case alone in a search and replace string?


Presenting more than 2 videos using FFmpeg


Iterate over ExecutionResult returning Relationships

Neo4j Cypher: How to iterate over ExecutionResult result


How to make Next and Previous attached image navigation on the attachment page?

Setting pagination for images attached to a post


MYSQL Inner Join Two Tables Same Column name Different Value

How to resolve ambiguous column names when retrieving results?


Partition not loading automatically - Ubuntu

Automounting partitions on 1TB external hard disk


How do you pass multiple parameters of the same type to jQuery Get


Using bitwise logic to test Control.MouseButtons

Most common C# bitwise operations on enums


How can I highlight selected text in a cell and not the whole cell?

Styling Text Within a Cell in Google Spreadsheets


How to separate the selection of a duplicate mesh?

Splitting pieces of a mesh into a new object


How to run my own program without specifying its path


Runnning Ubuntu 13.04 on ASUS Laptop with pre-installed Windows 8 and secure boot enabled

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


how to correctly use stringstream class multiple times


Best way to get all digits from a string


Is it possible to pass the name of the Quick action button that initialized the lightning component?

How to Get the QuickAction Name in Lightning Component?


Attaching a document to an email that's been sent as part of a workflow

I want a workflow that will email attachments


How to add the next date of subscription if the month is January from 29,30,31 to avoid the same date in February in javascript?


Calculate voltage in circuit with capacitor

RC Circuit, finding time it takes for Voltage across capacitor to rise from 0 to 5V


Plotting several 2d functions in a 3d graph


Web browser or extension to move multiple tabs between windows in a single action


Why are there so many different ways to measure disk usage?


How to install Wi-Fi driver for Realtek RTL8821CE on Ubuntu 18.04?

Wi-Fi not working on Lenovo ThinkPad E570 (Realtek RTL8821CE)


How may I find out how to bring a terminal up?

What is a terminal and how do I open and use it?


How do I use command line to install the "GNOME Shell Integration" package?

How to install google chrome extensions though Terminal


Why my while loops doesn't recognize the condition of the integer and make infinite loop? (Java while loops "Validate a bank Pin")

Why are integer literals with leading zeroes interpreted strangely?


Vortex in liquid collects particles in center


Should I redefine or reassign a variable in a loop?

Difference between declaring variables before or in loop?


Can Gauss Law for any arbitary closed surface be derived from Coulomb's Law?

How is Gauss' Law (integral form) arrived at from Coulomb's Law, and how is the differential form arrived at from that?


default value for the 2nd argument in Power for pattern matching


Get selected text from a drop-down list (select box) using jQuery


How to reset default browser for all users


Installing Android SDK for Android Studio

How to install Android Studio on Ubuntu?


Let $S/R$ be a ring extension and $\beta \in S^*$. Show that for all $\alpha \in R[\beta]\cap R[\beta^{-1}]$ is integral over R.

Prove that $B[x] \cap B[x^{-1}]$ is integral over $B$


Best way to return multiple values from a function?


How can I capture product photography with the entire product in focus?

How can I get more of this macro photo in focus?


Want to shape this spiderman lens around the Faceshell so it fits perfectly against the shell


Open and closed set in n by n matrices space.


Symbol for the Lobachevsky function in math mode

I just want to write \Sha without ruining everything


Automatically adding a BCC email address to all email sent with Gmail

Send a copy of outbound messages to another address


How to find recurrence of prime numbers with periodic function


Batch Script for Concatenate multiple raw/binary files - Windows command line < reads from a filtered file and pass it to another cmd

A command-line or batch cmd to concatenate multiple files


Remove 1 instance of duplicate values T-SQL


How can a voltage screwdriver light up when I test the ground wire or chassis of my washing machine, but multimeter reads no voltage or current flow?

Why are all of my appliances becoming energized when ground wire is excluded?