Latest Questions

sys.exit() triggers TypeError: object of type 'NoneType' has no len() error

I can not make my script stop. I've tried sys.exit () as well as os._exit() I have a bit of the code: try: report = func_timeout(config.timeout_time,

Recursive query to produce edges of a path?

I have a table paths: CREATE TABLE paths ( id_travel INT, point INT, visited INT ); Sample rows: id_travel | point | visited -----------+-------+

How can i use connection pool in perl-redis

I'm currently using the Perl language and the Mojo framework, and Redis-1.999(https://metacpan.org/pod/Redis) library. If I want to use a connection pool, do I

Pointer to a typedef in a function?

I'm completely new to C and coding in general, please be patient with me. I want to learn how to use pointers with a typedef structure inside of a function. As

How to use a usercontrol from another project in the same solution

I have 2 projets in a visual studio solution: Text Adventure Game Text Adventure Maker The project "Text adventure Maker" have a userControl. I want to use this

Any idea why private property and variable behave differently in FileHelpers?

To simplify the case, let say I have the following class public class TestFileHelpersClass { [FieldOrder(1), FieldFixedLength(20), FieldTrim(Tri

Why does mypy not consider a class as iterable if it has __len__ and __getitem__ but no __iter__

I was playing around with mypy and some basic iteration in Python and wrote the below code base: from typing import Iterator from datetime import date, timedel

Socket.io and Redis Adapter same rooms and different servers

We are creating a scalable real-time collaborative text editor. The client (frontend) code is written in React.js, and the server (backend) code is Websockets (

How to post data to API in jQuery DataTable ajax?

Hi all I am using jQuery DataTable and performing server-side pagination and sorting. I am stuck at one place, I am having API that is of type POST, so I need t

How to address 'Input Mapped Classifier' message in Weka

I am trying to test a machine learning model produced from a training dataset that is triple the size of my test dataset. When I upload my test dataset into wek

Kafka deployed through istio cannot be provided to the k8s cluster for external access

Kafka deployed through istio cannot be provided to the k8s cluster for external access with the following error Error connecting to node kafka-0.kafka-headless

How to create a delta table with invalid characters in column headers

Looking for a work around to create delta table with invalid character (). Below is the example CREATE TABLE `validation_log` ( `Error_Description` STRING,

Cognito Post Confirmation trigger

var params = { policyName: 'STRING_VALUE', /* required */ target: 'STRING_VALUE' /* required */ }; iot.attachPolicy(params, function(err, data) { if (err)

Cannot access Odoo Studio after "messed up" in properties / widget

In Odoo studio, I "played" around in the widget where there is a selection of data type such as "float". I mistakenly changed the type from "float" to something

Preload image urls using new Image()

I'm trying to preload or prefetch remote images in my photo gallery but it seems that new Image() conflicts with the nextjs's next/image. This code works fine b

How to configure other client redirect_uri's than '/sso/login' for Spring Boot client app?

I would like to avoid the default '/sso/login' redirect uri but instead be able to configure custom redirect URIs for my Spring Boot application. I have added s

What is the scope of variables in JavaScript?

What is the scope of variables in javascript? Do they have the same scope inside as opposed to outside a function? Or does it even matter? Also, where are the v

search for Void-Linux template in github

the package manager in Void-Linux is called xbps To build any application by xbps, you should have a file called template anyone can create a template that desc

UnhandledPromiseRejectionWarning: BSONTypeError?

I face a problem in the node.js project. error is likes, (node:9836) UnhandledPromiseRejectionWarning: BSONTypeError: Argument passed in must be a string of 12

'SyntaxError: Cannot use import statement outside a module'

I have updated by configuration to node 16.15.0 on both local machine and server. The code is running fine on local machine but on server it gives an Error - "S

Add checkbox without caption cell

I tried to find old posts related to this same issue but couldn't find a solution which would fit to my code. I'm trying to add checkboxes to Excel sheet every

How to run reactive background process in shiny R?

I've written code that runs a long calculation in which, as part of it, several UI elements are updated showing part of the progress and results of the calculat

How Can I Convert Image .png to string in C++?

I am new to using C++. I am trying to convert an image to a string (I need to convert an image to a buffer). So I use the "opencv" library. I try it but it does

Split linked list c++

For this function, the return value type should be Forward_list, but I assign the list with node value type, so what's the alternative so that my_list.head_ ret

Move a shape inside a list of lists

I have the following list of lists representing a matrix: space = [ [0, 1, 1, 0], [0, 1, 0, 0], [0, 1, 0, 0], [0, 0, 0, 0], ] The number 1s represent an upsid

What is the difference between : - Api - Rest Api - RestFull Api - Web Hooks - Rest Hooks

What is the difference between : Api Rest Api RestFull Api Web Hooks Rest Hooks

Using tikz in quarto presentation

I'm trying quarto for my slides and wondering how to use \pause in tkiz code. Minimum working example is below for reference. --- title: "Test Slides" format:

How to make this onclick go to a dynamic url?

So I have an onclick that directs to a linkedin page here: <li id="toHover" onclick=" window.open('https://www.linkedin.com/in/jvanderkooi/?originalSubdomain

getting this error while pushing ether value into array Member "push" not found or not visible after argument-dependent lookup in uint256

invInfo.ethInvestedInUToken[i].push(uETHAsPerProportion) ethInvestedInUtoken is the memory array in over in which i want to store the uEthAsPerProportion value