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Stackoverflow

Python program creating errors when there is none (Not defined)

For some reason, this code keeps coming up with this Error: Traceback (most recent call last): File "[This is my file name]", line 265, in <module> aNavyOne = Button(V1a, text = "...

  • python
  • tkinter
  • undefined
  • nameerror
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-1

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1

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Slmd

Problem with nested For Loops and If Statement/Loop when reading JSON array object data [closed]

I am writing code in javaScript to display a table containing JSON array object data. However, I need to verify that the data in one particular object matches the next object. For example, I have ...

  • javascript
  • json
  • for-loop
  • if-statement
  • undefined
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-1

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0

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AREemEHS

Why ChromeDevTools cannot destructure property of props but Firefox can?

I'm currently making a Messaging App with Socket.io to have live chat. My app architecture is based like this : function App() { return ( <> <SocketProvider> <...

  • reactjs
  • google-chrome
  • firefox
  • undefined
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0

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0

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Hachounet

How to solve undefined property $xx in the public function __construct at a controller on Codeigniter 4.5.5

I got undefined property $Surat when defined an object called Surat at a controller on Codeigniter 4.5.5 This is the controller file <?php namespace App\Controllers; use App\Controllers\...

  • undefined
  • codeigniter-4
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-2

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1

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Raina Zah

Function in flask app can't find variable, but online flask debugger can [duplicate]

I've been working on a python web development course, and my course wants me to make a website that lists some cafés in London. I'm trying to code the functionality to add a café, but when I run the ...

  • python
  • python-3.x
  • flask
  • undefined
  • flask-wtforms
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0

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0

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SmallCoder12

Mongodb TypeError: Cannot read properties of undefined (reading 'User')

models.tsx import mongoose from "mongoose"; const userSchema = new mongoose.Schema( { name: {type: String, required: true, unique: true}, username: {type: String}, ...

  • mongodb
  • model
  • undefined
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0

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0

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정채림

Why do I get a linker message: undefined reference to `Date::Date(int, int, int)' [duplicate]

Doing the problems in a popular textbook, I got a error when using a member function in a struct: .../s09-04-02.cpp:30: undefined reference to `Date::Date(int, int, int)' // s09-04-02.cpp simple ...

  • c++
  • struct
  • linker
  • undefined
  • linker-errors
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0

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1

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cbcalvin

Jquery: Each inside each not recognizing pre-defined array

I'm trying to create an array that keeps track of which lines are already hit so they aren't checked repeatedly if I allow the game to continue until another bingo is hit. This is where my problem is ...

  • jquery
  • multidimensional-array
  • typeerror
  • undefined
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0

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1

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user2108555

The method 'createTicker' isn't defined for the type

I was trying to create a simple ticker: Ticker? ticker; @override void initState() { super.initState(); ticker = createTicker(tick); ticker!.start(); } @override void dispose() { ticker?....

  • flutter
  • dart
  • undefined
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1

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1

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Avarage cat enjoyer

type data for props undefined in local component vue3.js with import tag Vue3, Vue3 needed for a alone page

The use-noms-cpnt component is as follows: <div id="app"> <use-noms-cpnt></use-noms-cpnt> </div> I have an App component and an App mounted like this, I put a props ...

  • vuejs3
  • radio-button
  • components
  • dataset
  • undefined
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0

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1

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Vince

environmental variables accessing in backend files [duplicate]

The following is the tree structure of the files file tree This is code with error : mailtrap.config.js import { MailtrapClient } from "mailtrap"; import dotenv from "dotenv"; ...

  • javascript
  • environment-variables
  • undefined
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-1

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1

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Vinay Sankar Gokavarapu

Function return undefined [duplicate]

I have a function that return a undefined thing even if it normally need to return something defined. I have this code with a function: const GtfsRealtimeBindings = require("gtfs-realtime-...

  • javascript
  • function
  • asynchronous
  • async-await
  • undefined
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-3

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2

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Yoan Pettorelli

How to use public functions in other source code files in golang?

Here is my codes. //main.go package main import ( "fmt" ) func main() { bc := NewBlockchain() bc.AddBlock("Send 1 BTC to Ivan") bc.AddBlock("Send 2 more BTC ...

  • go
  • undefined
  • goland
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0

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2

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이해성

Digital Root Function returns "undefined" [duplicate]

I'm new to programming! Trying to write a function that obtains the digital root of a number. Currently struggling with the "for loop" and "if else" portion of the formula that ...

  • javascript
  • loops
  • recursion
  • undefined
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0

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0

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user26789162

API FOR JS loop giving undefined at end of data

I am working with this Github code. https://github.com/He3556/Mixcloud-Unfollowers the issue I am facing is that it seems that at the end of the API page, the for loop gives me undefined on the ...

  • jquery
  • for-loop
  • undefined
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1

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0

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post poop zoomies

TypeError: Cannot read properties of undefined (reading 'value')

i need some help on my projet, i try to create a event on my project planning by using formik. I created a planning form with the creation of a planning in this creation I choose the type of ...

  • reactjs
  • typeerror
  • undefined
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0

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0

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sofiane

Server Timing API - There's undefined and unexpected png on my running browser

I got a weird issue when I was working on html, js.Below is what I got, the point is that when I sent the same code to other computer, it works well with the data, and I also got a line of "...

  • javascript
  • timer
  • undefined
  • content-security-policy
  • phishing
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0

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0

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Flora Jiang

Why Google_Service_Drive type is undefined

Please someone help me with this. Why the Google_Service_Drive is undefined? I Has installed the google/apiclient and do the configuration on .env file but it still says its undefined. I've been tryng ...

  • php
  • google-api
  • google-drive-api
  • undefined
  • intelephense
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0

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1

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Is 46

First Element is Undefined in Drop Event Handler using jQuery UI Draggable and Droppable

I'm working on a web application (via python Flask server) using jQuery UI's draggable and droppable features. I have draggable elements that are supposed to be combined when dropped into a droppable ...

  • javascript
  • html
  • variables
  • undefined
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0

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1

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john cena

Issue with Environment Variable in React - Getting undefined in URL

.env REACT_APP_BASE_URL=https://mysite.azurewebsites.net/ .js const baseUrl = process.env.REACT_APP_BASE_URL; const url = `${baseUrl}WP/SiteLoginAPI/`; console.log('Constructed URL:', url); Problem ...

  • reactjs
  • azure
  • undefined
  • .env
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-1

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1

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Mudasir Habib

Warning: Undefined array key 0 releases/80/vendor/magento/module-configurable-product/Model/Product/Type/VariationMatrix.php on line 47

A configurable in the Product view opens up with the error message, of which I cannot proceed any further. The children attached can open up without issue. There were not any issues with opening up ...

  • arrays
  • key
  • undefined
  • magento2
  • configurable-product
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0

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0

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user76474

In Alpine.JS, this.property inside method is undefined

I have a request for help with Alpine.JS I have a packetaApiKey property defined. When I access it this.packetaApiKey in the pickPoint method, it works as expected. But in the showSelectedPickupPoint ...

  • javascript
  • properties
  • undefined
  • this
  • alpine.js
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0

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1

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Marek Vinárčik

Angular - TypeError: Cannot read properties of undefined (reading 'forEach')

I am trying to read the roles array from this object and getting the error: TypeError: Cannot read properties of undefined (reading 'forEach') Code: this.data.roles.forEach(role => { this....

  • angular
  • typescript
  • runtime-error
  • undefined
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0

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1

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user2549382

Can TypeScript specify keys that are allowed to not exist, but cannot be assigned to `undefined`? [duplicate]

Summary I want to disallow any explicit undefined value while still allowing implicit undefined values. Background In JavaScript, we have this behavior where accessing a key that does not exist yields ...

  • typescript
  • undefined
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1

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1

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nullromo

Empty vs. Undefined in Javascript [duplicate]

In Javascript, if I make an array using Array(10), it creates an array with 10 empty items. If I access any item in that array, it returns undefined. However, if I create an array with a length of 10 ...

  • javascript
  • undefined
  • is-empty
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1

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2

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idk

Uncaught TypeError: Cannot read properties of undefined while reading values from an array that is not undefined in console.log()

I am developing a simple application in React, and I have an array that I want to use .map and display some options. There are two selects, one for the year, and one for the month, which should update ...

  • reactjs
  • arrays
  • typeerror
  • undefined
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0

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0

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FellipeParreiras

Having an issue with Tyranobuilder, unexpected character issue

I am building a game using Tyranobuilder, I defined a character focus behavior on game settings, such that when a character joins the scene and speaks, they will be bright and when another character ...

  • character
  • undefined
  • game-engine
  • behavior
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0

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1

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dramaticlook

Problem when using loop-generated variables in ansible

What i'm trying to do is generating lots of similar directory trees. I woul like to set a dict which describes the pattern of the tree. Then i want ansible to generate multiple directory trees with ...

  • loops
  • variables
  • ansible
  • nested
  • undefined
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0

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1

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Kirill Zelepukin

Reading values from 'Google form' is undefined [duplicate]

I wrote a code in App Script and connected it to a form on the Google Forum Now the problem is that I can't read the data from the fields in any way. I keep getting 'undefined' errors Like: TypeError: ...

  • javascript
  • google-apps-script
  • triggers
  • undefined
  • google-forms
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0

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0

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Shevy kossovsky

Function returns UNDEFINED while scipt does returns values

I was able to run this script and get the values out of the response. Happy as I was, I wrapped the script in a function and then it returned UNDEFINED. I am pulling all my hairs because the script ...

  • function
  • undefined
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0

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0

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Paul tje

undefined object while using useContext

This particular things seems happening when i run these codes AuthContext.jsx: // context is a state management tool for passing props import { createContext, useReducer } from "react"; // ...

  • reactjs
  • undefined
  • mern
  • react-context
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0

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0

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Vinay Sankar Gokavarapu

vuejs3 and vite import.meta.env.VITE_BASE_URL not working

Hello I'm trying to get base url from .env file. And I'm getting undefined. I have tried some stack overflow answers and documentation but it didn't help. console.log('env', import.meta.env....

  • vue.js
  • vuejs3
  • undefined
  • vite
  • .env
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1

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1

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Dusan

Facing error while making iOS build in xcode 15.2

`Failed to build iOS app in Xcode 15.2. I am facing this errors ("ld: Undefined symbols" and "clang: error: linker command failed with exit code 1 (use -v to see invocation)"). ...

  • ios
  • xcode
  • build
  • undefined
  • debug-symbols
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-1

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1

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Arslan Zafar

Uncaught Error: Cannot read property 'navigate' of undefined

I'm trying to implement a very simple navigation in react native. I'm trying to navigate from the Home Screen by clicking a button to go to a Details Screen. When clicking the button I get this error: ...

  • react-native
  • react-navigation
  • undefined
  • stack-navigator
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0

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0

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Anastasija Stojanovska

React component receiving undefined props

I have a simple React app(created with vite), where i am passing a list of objects to a component Carts, Carts component simply parses the list and returns JSX. But there is a error pointing that the ...

  • reactjs
  • undefined
  • vite
  • react-props
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1

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1

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shivam prajapati

My php form on my website is ending blank submissions to my email [duplicate]

Below is the php code i have on my website. We have been getting some email form submissions that are working but we have also been getting a large amount of empty submissions. When i try to submit a ...

  • php
  • arrays
  • validation
  • undefined
  • form-submit
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0

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0

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ilana a

TypeError: Cannot read property 'explorerPage' of undefined

I am upgrading jest from version 23 to 29. My project used to work fine before the upgrade, suddenly started observing this issue. I use Typescript as a language. TestPageDefs Module looks like below: ...

  • javascript
  • typescript
  • jestjs
  • undefined
  • ts-jest
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1

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0

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Manoj Kumar

JS class variable is always undefined even though it's assigned and is never assigned to undefined, inconsistently showed by DevTools as well

I am having a strange situation where a variable is assigned (and I made sure the assigned value is not undefined) but the value is always undefined. Strangely enough when inspecting the value by ...

  • javascript
  • google-chrome-devtools
  • undefined
  • microsoft-edge
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0

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0

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Luke Vo

vue js Cannot find module './undefined'

I'm using Vuejs, and calling my symfony API with a get route. I have the result, an array of objects, but I still have this error: Cannot find module './undefined' When I try with an array with only ...

  • vue.js
  • module
  • undefined
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0

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0

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Bahram Salim

How to pass variable to function if exists?

I have a json sample getting it from a function, and have to pass some of it's parameters to my function but if they exist. def myfunction(var1=None): some code return if myjson['parameter1'] ...

  • python
  • undefined
  • variable-assignment
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-1

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2

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hosseinfcl

Palindrome function always return undefined [duplicate]

this is my first post. I'm trying to write a palindrome checker using recursive (w3resource exercise) . The function pulls up first and last indexes of an array-transformed string if they match and ...

  • javascript
  • arrays
  • undefined
  • palindrome
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0

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0

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gerard

Unable to read "wr_en, fifo_in" data using module instantiation

Is there anything wrong with my instantiation. 8 to 32 bit converter is working fine. input to fifo is read only when wr_en is high. wr_en is connected to output signal of valid_q (when valid_q=1, ...

  • undefined
  • port
  • instantiation
  • fifo
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0

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0

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ARUNA M

Enforce generic function parameter to accept only types that include undefined and/or null [duplicate]

How to enforce generic function parameter to accept only types that include undefined and null: function foo<T>(val: T) { ... } let fooNonNullOrUndefined: string = "foo" foo(...

  • typescript
  • null
  • undefined
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0

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0

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Sebastian Barth

Uncaught TypeError: isObject is not a function

i am working on a project using Laravel / vuejs vite and i have a problem in IconBase.js in ant-design-vue package and exactly on : var twoToneColorPalette = reactive({ primaryColor: '#333', ...

  • laravel
  • vue.js
  • undefined
  • vite
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1

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0

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essaber yahya

How to solve this TypeError in Next.Js?

Image of the error displayed on client-side screen Error message: ⨯ src\models\user.model.ts (45:1) @ ⨯ Cannot read properties of undefined (reading 'User') 43 | ); 44 | 45 | const User = | ^ 46 | ...

  • mongodb
  • mongoose
  • next.js
  • typeerror
  • undefined
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0

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0

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Jenish P

Remove extra symbol on a Latex document

What is the error of \tableofcontents and on the pdf print extra .,, symbol. I try to remove the extra symbol .,, on the pdf but I do not put any extra symbol on the latex and here also shows a error ...

  • controls
  • undefined
  • symbols
  • pdflatex
  • tableofcontents
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0

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0

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Rathin Halder

Can't access object in nested loop (JS and three.js) [duplicate]

I have a question about JavaScript and Threejs. I made an object title_and_coord that stores sentences and their Vector3 coordinates (for wherever each sentence appears in my scene). I am trying to ...

  • javascript
  • object
  • three.js
  • undefined
  • nested-loops
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0

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0

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Iti Gupta

Why do object keys become undefined if they are accessed via an JSX element?

In Preact, I want to display an object: export default function Component() { const obj = { a: 'a', b: 'b'} const elements = []; for (const [key, value] of Object.entries(obj)) { elements....

  • object
  • jsx
  • undefined
  • preact
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0

comments icon

1

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Ooker

Why does the error "document is not defined" still happen when I check for its falsiness already?

I'm using Deno Fresh. In routes/indes.jsx I have: import Test from "../islands/test.jsx"; export default function App() { return <Test></Test> And in islands/test.jsx I ...

  • reactjs
  • dom
  • undefined
  • server-side-rendering
  • freshjs
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-1

comments icon

1

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Ooker

Uncaught ReferenceError: function is not defined at HTMLSelectElement.onchange and TypeError: Cannot read properties of undefined (reading 'slice') [duplicate]

I'm displaying the movie data that I've brought in open api in card format. I'd like to newly arrange them in the order of title a-z and highest stars in drop-down format. However, it does not work ...

  • javascript
  • html
  • undefined
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1

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0

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조은영

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Dev to

Build your own personal SIRI with LLAMA-3 like a PRO! 🧙‍♂️ 🪄

Shrijal Acharya

Shrijal Acharya

  • #python
  • #programming
  • #productivity
  • #tutorial
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13

Top AI Search Engines to Boost Productivity

Saurabh Rai

Saurabh Rai

  • #productivity
  • #ai
  • #opensource
  • #programming
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Add Comment

What Does It Take to Build High-Performing Teams?

Alex (The Engineering Bolt) ⚡

Alex (The Engineering Bolt) ⚡

  • #webdev
  • #startup
  • #culture
  • #leadership
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Add Comment

What is Platform Engineering?

Juraj

Juraj

  • #kubernetes
  • #opensource
  • #beginners
  • #devops
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4

17 Must-know React Projects for Developers 👩‍💻 🔥

Anmol Baranwal

Anmol Baranwal

  • #react
  • #javascript
  • #programming
  • #opensource
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25

Angular Is Your Best Shot To Land A Frontend Job

Lorenzo Zarantonello

Lorenzo Zarantonello

  • #frontend
  • #angular
  • #career
  • #webdev
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1 comment

17 Projects for Teams to Build AI Features 100x Faster

Anmol Baranwal

Anmol Baranwal

  • #opensource
  • #llm
  • #programming
  • #productivity
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3

Vaadin, the battery-included server-side AJAX framework

Nicolas Fränkel

Nicolas Fränkel

  • #ajax
  • #ssr
  • #vaadin
  • #kotlin
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Add Comment

Please review my project

Jai Bhullar

Jai Bhullar

  • #discuss
  • #webdev
  • #react
  • #nextjs
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8

How I Reached #1 on Google's SERP in Just 30 Days: The Handy Developers Guide Success Story

Dumebi Okolo

Dumebi Okolo

  • #beginners
  • #tutorial
  • #productivity
  • #wordpress
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1 comment

Why Everyone Should Contribute to Open Source ( Even If You Can’t Code! )

Dhanush N

Dhanush N

  • #opensource
  • #webdev
  • #beginners
  • #programming
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Add Comment

You Probably Don't Need Serializable Isolation

Franck Pachot

Franck Pachot

  • #yugabytedb
  • #postgres
  • #oracle
  • #database
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Add Comment

The problem with tech Twitter

Damian Brdej

Damian Brdej

  • #discuss
  • #twitter
  • #techbros
  • #trends
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Express v5: What You Need to Know About Express v5

USMAN AWAN

USMAN AWAN

  • #news
  • #webdev
  • #programming
  • #javascript
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How to style HTML with matcha.css

Megan Lee

Megan Lee

  • #webdev
  • #css
  • #html
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Changing CSS as You Scroll with Stimulus

Rails Designer

Rails Designer

  • #hotwire
  • #javascript
  • #rails
  • #webdev
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1 comment

Building Accessible Web Applications: A Developer’s Guide for 2025.

balrajOla

balrajOla

  • #webdev
  • #api
  • #tutorial
  • #beginners
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Mastering GitHub Actions for DevOps Engineers: A Complete Guide from Beginner to Advanced

H A R S H H A A

H A R S H H A A

  • #githubactions
  • #devops
  • #cicd
  • #git
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How to add Stripe to Astro

Mihai-Adrian Andrei

Mihai-Adrian Andrei

  • #javascript
  • #astro
  • #stripe
  • #webdev
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Sending and Monitoring Transactions on Kalp Studio

Asjad Ahmed Khan

Asjad Ahmed Khan

  • #api
  • #polygon
  • #web3
  • #blockchain
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Replacing complex UX patterns with Next.js and OpenAI o1

Charly Poly

Charly Poly

  • #nextjs
  • #openai
  • #javascript
  • #learning
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Comprehensive 𝗚𝘂𝗶𝗱𝗲 𝘁𝗼 𝗦𝘁𝗮𝗰𝗸 𝗗𝗮𝘁𝗮 𝗦𝘁𝗿𝘂𝗰𝘁𝘂𝗿𝗲: 𝗜𝗺𝗽𝗹𝗲𝗺𝗲𝗻𝘁𝗮𝘁𝗶𝗼𝗻, 𝗢𝗽𝗲𝗿𝗮𝘁𝗶𝗼𝗻𝘀, 𝗮𝗻𝗱 𝗣𝗿𝗼𝗯𝗹𝗲𝗺-𝗦𝗼𝗹𝘃𝗶𝗻𝗴

Nozibul Islam

Nozibul Islam

  • #datastructures
  • #algorithms
  • #stack
  • #interview
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2

Cloudflare Zaraz VS WP Complianz

Ion Iacob

Ion Iacob

  • #cloudflare
  • #zaraz
  • #wordpress
  • #complianz
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API Caching: Techniques for Better Performance

Pieces 🌟

Pieces 🌟

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Free Mentorship in Coding Available

chi swimming

chi swimming

  • #webdev
  • #mentorship
  • #javascript
  • #programming
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Boost Your MySQL Debugging Skills with the General Query Log

Roman Agabekov

Roman Agabekov

  • #webdev
  • #devops
  • #mysql
  • #database
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𝐖𝐡𝐚𝐭 𝐢𝐬 𝐚 𝐕𝐢𝐫𝐭𝐮𝐚𝐥 𝐌𝐚𝐜𝐡𝐢𝐧𝐞?

Megha Sharma

Megha Sharma

  • #virtualmachine
  • #containers
  • #devops
  • #developers
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The Cosmic Joke of Creativity: Why AI Might Be Laughing at Your 'Original' Ideas

Ja

Ja

  • #discuss
  • #ai
  • #devjournal
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Advanced Type System and Generics for Pro TypeScript Developers

Shafayet Hossain

Shafayet Hossain

  • #javascript
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