variable-declaration Archives

Is it possible only to declare a variable without assigning any value in Python?

Is it possible to declare a variable in Python, like so?: var so that it initialized to None? It seems like Python allows ...

May 11, 2022
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Declaring variables inside loops, good practice or bad practice?

Question #1: Is declaring a variable inside a loop a good practice or bad practice? I’ve read the other threads about whether or ...

May 11, 2022
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C pointer to array/array of pointers disambiguation

What is the difference between the following declarations: int* arr1[8]; int (*arr2)[8]; int *(arr3...

May 3, 2022
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When to use extern in C++

I’m reading “Think in C++” and it just introduced the extern declaration. For example: extern int x; extern float y; I think I ...

May 3, 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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