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global-variables

How to declare global variables in Android?

I am creating an application which requires login. I created the main and the login activity. In the main activity onCreate method I ...

April 30, 2022
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How can I unset a JavaScript variable?

I have a global variable in JavaScript (actually a window property, but I don’t think it matters) which was already populated by a ...

April 28, 2022
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How do I use extern to share variables between source files?

I know that global variables in C sometimes have the extern keyword. What is an extern variable? What is the declaration like? What ...

April 14, 2022
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Using global variables in a function

How can I create or use a global variable in a function? If I create a global variable in one function, how can ...

April 6, 2022
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