Top "Global-variables" questions

Global variables are variables that are accessible from all elements of a software component.

Are there global variables in R Shiny?

How do you declare global variables in with R Shiny so that you do not need to run the same …

r shiny global-variables
declare global property in QML for other QML files

I want to declare a global property in a config file and use it in other files. for example declare …

qt variables scope qml global-variables
How to access a variable across two files

I have three files - global.php, test.php, test1.php Global.php $filename; $filename = "test"; test.php $filename = "myfile.…

php global-variables static-variables file-access
What does the "$" character mean in Ruby?

Been playing with Ruby on Rails for awhile and decided to take a look through the actual source. Grabbed the …

ruby-on-rails ruby global-variables dollar-sign load-path
Are global variables in PHP considered bad practice? If so, why?

function foo () { global $var; // rest of code } In my small PHP projects I usually go the procedural way. I generally …

php global-variables global
Python global/local variables

Why does this code work: var = 0 def func(num): print num var = 1 if num != 0: func(num-1) func(10) but this one …

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how to share a variable across modules for all tests in py.test

I have multiple tests run by py.test that are located in multiple classes in multiple files. What is the …

python unit-testing testing global-variables pytest
Python global variable

def say_boo_twice(): global boo boo = 'Boo!' print boo, boo boo = 'boo boo' say_boo_twice() The output …

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Why are global variables considered bad practice?

I keep seeing warnings not to use global variables in JavaScript, but it seems that the only reason people say …

javascript global-variables global
Python: Sharing global variables between modules and classes therein

I know that it's possible to share a global variable across modules in Python. However, I would like to know …

python scope global-variables module