Global-variables Questions

I have a case where i have defined a global struct array in a seperate header file that i want to be able to change from function in another file

If i define a global variable in file1.c and also declare it using 'extern' in the same file, is that an error, or is it acceptable?

So i have a nodejs project where i have a dynamic form which expands if the user clicks "add question". this functionality is done by my

Here i have two files externdemo1.c and externdemo2.c.in the first file,i have declared and initialized a character

Is there any way to prevent exported object to be changed later when it's imported ? i have my config.js helper that manages my config, and i

I'm trying to implement global variables in and android studio application that uses ble gatt services. i need to save a number received from ble

I have problem with variable "icons" in my code. its initialized and defined in eventlistener scope but it is not defined after that scope so i

I'm currently working on the following code which should only save the first position. anything detected afterwards should be ignored:

I'm trying to create a custom menu bar in my app. right now, the biggest issue i'm having is passing a state for when it's expanded to it's

Here there are two bool variables i want them to be used in other dart files. how can i achieve that. class employeeregistrationscreen extends

I have started the counter from 1. when i run the server the value of global variable increases as per while loop upto 9999. when i shut down the

In gnu clisp 2.49.92, the following code: (defvar i 1) (defun g () (format t "g0:~d~%" i) (setf i 2) (format t

Was not sure how to phrase this question but am struggeling with the following at the moment. i have a global variable as such:

I have a widget where the user can input data like height, weight and so on in a textformfield like this: string weighttext;

I have the following functions in python3.7 def output_report(): sheet_dict = {1: 'all', 2: 'wind', 3: 'soalr'}

Following the example code void main() async { cloudbasecore core = cloudbasecore.init({'env': 'your-env-id'});

I am using globalvariable file to hold data during my entire application, but what happens is it returns null value if i switch to another

I am writing a program that recursively iterates through a list, provided the index of the current character and a list of characters. however,

In my home page in build widget before return statement i use below code. if i create an another widget in my home page i have to copy below code

I'm using a variable as part of a string within a class, however printing the string shows what the variable had been set to at the start of the

In the init() of my splash screen page, i am calling the function of the next page in order to load the data from backend, and meanwhile the

I have two javascript files to handle my webpage login function. first js file authenticates the user and returns a session token which should be

Please help me as i am new to python when i call this function the original value of list1 changes def

I'm working on a game-companion app and i was looking for a neat way to fetch data from multiple apis initiated by starting my app (and maybe also

I'm not getting the value of input and output variables. i have tried using this keyword also in the below code.

I have these variables that i want to share it with another screen, what is the best way to share them beside pushing them ?

I am trying to get the global variable from one class in another class, but it gets me just an empty string. class abfahrtsmonitor

I wanted to get a constant variable with the global

'databasefunctions.dart' string path = 'path' // a variable needed to be modified across page future queryall() async { database

I am trying to style (styled-components) a fabric js component (dropdown) as a react component. the css class names are declared in a file

We are exploring node-red as an option for rapidly creating small utilities needed within our team. typical pattern we have is : 1)

I am writing a quiz program in tkinter that has a frame for each question being asked. after the user selects the correct answer from a

The most basic form of something i want to code is the code as follows: import threading arr = [] def test(id): global arr

I want to update the value of bjpv and finally set it's state to new updated state, which i will get from the firebase

Here's what i can't understand. i have this function here function foo(){ let a = {a:1}; window.a = a; }

I am trying to set a variable globally and then to add values in there but it's being reset, see below; class newtestcontroller

Fairly new to nodejs (however not to javascript) and i think it is great, not in all aspects but that is not the subject of the question.

I'm trying to build reply bot by using line api and python 2.7.15 . this is my code from flask import flask, request, abort from

If i run the code below it acts as expected. (expected being that both normal code languages and javascript have "local scope" in

I am an absolute newbie when it comes to python and am learning by doing via my own text adventure game. i have some code that enables

I need to pass a data bound integer that is from a populated list in a combo box from one for to another. in form 2 i need the rest of the fields

I have a method that gets a token from a login, in a class that also returns the token. i need to access the token's value in other classes. i.e.

For an application in android i have a global variable, public class constantsurls { public static string get_cart_all_item =

I'd like to understand which mistake i did in the following example. there are three file: main.c, libreria_mia.c and libreria_mia.h.

I have a serious problem to understand how to declare a global variable in an header file and how he need to be in the c file. in my .h :

#include <stdio.h> char *mystrcat(char *s1, const char *s2); // prototype char *newstring; // global pointer int main(){

I need to get the value of inputscore currently held in the extractvariable function into the assignvalue

I am writing a code in c. it is in an environment with precoded functions, so i can't explain it completely. i wanted to iterate over a variable

Thanks for your help in advance! i have the following problem in python (i use py 3.6.5): i have some lists, with some values in

I'm running into an issue where a global variable isn't "remembered" after it's modified in 2 different functions. the variable df is

I'm just starting to learn javascript and have been using cypress to automate some regression tests. the test i writing currently is meant to

I have a piece of code in julia here: i = 1 while true if i == 10 break end global i += 1 #a

I'm using b4a 11.20 and i need to use a variable in main on a service module. main code sub process_globals public targetprice as

I have a file say twitter.py in which i have two global objects: user and tweet. i have another file say twitter_utils.py in which i have

Hello developers & coders , my question is how to define a global variable , that can be used in all controllers in

In vba how to declare a global variable, which will be assigned from userform, but then used inside various sub procedures, functions in different

What is difference in creating a string object within the while loop, assign different values in each iteration and create string object outside

I want a function to assign a new value to a global variable: value = "" function edit_value(v::string) value = v

I am pretty new to shell scripting and python. while i was reading the materials, i saw the term "environmental variable" in shell and

I am using vuejs to develop a module of my application, i will be getting data which i need to set to a variable ex this.gbldata in the

I'm pretty new to vue and i'm trying to create my first app with it (i have worked through a whole tutorial though so it's not like i'm completely

I'm using wp user frontend pro plugin i want to echo the pack title using a shortcode to put it in bakery visual. all what i know is : this is the

If i have the following python script foo.py : def foo() : my_dict = {'a': 1, 'b': 2, 'c': 3} globals().update(my_dict)

I have two python scripts which import each other and access a variable defined in the first script. but changes made to this variable are not

This function toggles the active state of a hamburger icon when clicking on it. also clicking anywhere on the document does the same

How to make local variable to global? ext.define('a.view.management', { extend: 'ext.container.container', requires: [

Is there any difference in c++ between global variable/const and global static variable/const? declared in cpp file or a header file.

I came across this problem of not being able reference golbal variables from inside of a function. it always throws an error saying "local

The r13 in ppc it's the small data area pointer register. what is an example in a c source code that will use this register?

I need access to my hostname variable in every component. is it a good idea to put it inside data? am i

I got below code and i want to use ajax response out side of function but it continuously shows me undefined, i know it is easy but how to handle

Suppose there is a variable int a = 10; when i run the program again and access the data it's the same when i

I know this is very basic thing but i need to know that how can i declare / assign value / use global variables. because i have already

I have a tkinter application, so i have the mainloop which is typical of tkinter, and various functions which handle mouse clicks and

Def check(x): global username while true: if x.isalpha(): break else: x = input("please type

There's some convention for writing about globals in js that looks something like /* globals: foo, _ */ placed at the beginning of

I have been working on react/flux and am confused over the declaration of variable outside the component as in below code. countercomponent.js