Latest Questions

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

What are Null Pointer Exceptions (java.lang.NullPointerException) and what causes them? What methods/tools can be used to determine the cause

Black screen Unity AR Foundation - camera not working

Cannot use the camera for an AR Unity App. When launching the app on an iOS device, the screen is totally black. I'm running Unity version 2021.3

What is the Oracle.sol equivalent of V0.6 in V0.8?

Chainlink V0.8 no longer includes the Oracle.sol class that I used in V0.6 to register the chainlink node. It seems Operator.sol replaced that in V0.7 (which I

msbuild with vcpkg uses different triplet from Visual Studio for x86, but works for x64

I have a library project for both x64 and x86. Within Visual Studio I can build both x64 and x86. When I use msbuild, the x64 builds with the correct triplet b

Calculate Mean Absolute Error for each row of a Pandas dataframe

Below is a sample of pandas dataframe that I'm working with. I want to calculate mean absolute error for each row but only considering relevant columns for valu

Matlab System Function and Terminal Runs differently

I have a python code that I want to run in Matlab. It has an `import NumPy statement in it. The code runs without a problem in the terminal. But when I use Matl

How to change the default Pydantic error message using FastAPI?

Is there any way to change the default response from Pydantic so that "msg" is "message"? { "detail": [ { "loc": [ "body

highlighting for text field with docValues="true" doesn't work in solr

I am using Solr 8.0. To be able to use docValues="true" with class="solr.TextField" , I installed solr-dvtf. Here is the text_hl field setting in shema.xml:

Impossible to click on element with selenium when browser not on mac current space

I'm using selenium in python to control a website. I use Firefox. I want to click on a mat-select element. When Firefox is on one of my Mac used spaces (or desk

if itemcontainerstyle is inside DataTemplate and a call the the main window is used an System.NullReferenceExc on start-up but works fine if ignored

when i try to call a event from the main wind if a control is in a template in itemcontainerstyle when the run a System.NullReferenceException: 'Object referenc

how to replace values from a list comprehension? [duplicate]

Im trying to make a list from a string with multiple lines. So every new item in the list will be an entire word, I made it, but I was curious

How do I make (in C#) a basic .NET application change mouse position on screen, press keys ect

I was wondering, how do I make something like "Program messes with my gameplay" in C#. I just want a program to move with mouse, click, press some keys, you get

How to select a card in a set of stock cards before entering data?

I downloaded a macro from Get Digital Help: Sub AddText() Dim Lrow As Single Lrow = Worksheets ("Sheet 1").Range("B" & Rows.Count).End(xlUp).Row+1 Workshee

Multiple locales with date-fns in ReactJs

Using date-fns, i am trying to add multiple locales in my app, before i hade one only locale so the import was simply like this : import {fr as locale} from 'da

How do WCAG 1.4.3 Contrast (Minimum) and 1.4.11 Non-text Contrast relate to text in UI components?

WCAG 2.1 introduced success criterium 1.4.11 Non-text Contrast for UI components like checkboxes, sliders etc. Would it be safe to ignore 1.4.11 for the backgro

dopar% and %foreach% failed to work for gmapsdistance

I am currently trying to apply parallelization with the gmapsdistance package (driving mode = bicycling) to speed up the computation of the for loop that contai

Google Sheet: break transpose to the next row

Beginning from the date on the right corner of the table, I need to automatically fill the days of the calendar. Is it possible to transpose until a given cell

I have node.js c ++, java, python compiler. in some cases it returns node.js error without any compiler error

I have node.js c ++, java, python compiler. in some cases it returns node.js error without any compiler error: enter image description here enter image descript

`pandas.to_latex` - how to make column names bold

When I'm using the pandas.to_latex function to create latex table, the column names are unfortunately not bold. What can I do to make it bold?

Adding a function to imports routes in app.use()

Hi everyone I have an API and I have made a function to check if a user is authenticated, if he is then the API redirects him to the home page else to the /logi

how to send a byte array in kafka with Avro Schema registry

I'm trying to send bytes with a JSON object using a Java POJO and an Avro schema, with schema registry. So my question is, how should my code send "bytes" type

How to set a text from parsed json variable in Flutter

I have a problem with parsed JSON in Flutter-Dart. Actually, there is no problem, but there is a method which I don't know. I'm getting data from a PHP server a

How do I create a table with multiple auto incrementing values?

I would like to have an autoincrementing string in my BigQuery table. This seems like a good way of doing it: CREATE TABLE dbo.YourTable ( ID INT IDENTITY(1

bracket pair can't match in mac vscode txt file

I want to highlight and jump(command+shift+\) between the bracket pair in text file just like in json files and other format files. Please help me,thx! And th

Connect ESP8266 to subdomain website using Arduino UNO?

How to connect Arduino UNO, ESP8266 to a Subdomain website using AT commands? Its working with ThingSpeak, AT+CIPMUX=1 AT+CIPSTART=1,"TCP","api.thingspeak.com",

how to get around HTTP Error 403: Forbidden error while downloading a video using download link

I'm working on a code in which I access a website using selenium and put a link in a download field then extract the download link from download button and down

What is this weird colon-member (" : ") syntax in the constructor?

Recently I've seen an example like the following: #include <iostream> class Foo { public: int bar; Foo(int num): bar(num) {}; }; int main(void) {

Implement Searchbar on top of Screen

I am trying to find some examples how to implement hidden search bar on top of Screen (react-native) like in Telegram: And can't find any useful examles. I am

Python NSFW detection module nudenet not longer working?

I have been using the python module nudenet for my final degree project. I'm using google colab to run it. It worked correctly and without any problem during th

Save template type parameter pack for later use

I'm working on a code where I can bind events and callbacks to react to those events, the interface looks like this: void on_close(); struct S { void the_a