Recent questions tagged declaration

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declaration - Where you can and cannot declare new variables in C?

I heard (probably from a teacher) that one should declare all variables on top of the program/function, ... cause trouble depending on the program/machine? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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declaration - Why is volatile needed in C?

Why is volatile needed in C? What is it used for? What will it do? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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declaration for variable in while condition in javascript

In essence, I am trying to declare a variable in the condition-part of a while loop in javascript: ... /questions/1711173/declaration-for-variable-in-while-condition-in-javascript...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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declaration - Is this a valid way to declare an array in C?

I know you're not supposed to declare arrays with a variable as the size ex. int arr[n]; because the size of an ... questions/66065600/is-this-a-valid-way-to-declare-an-array-in-c...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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292 views

1 answer

declaration - Is this a valid way to declare an array in C?

I know you're not supposed to declare arrays with a variable as the size ex. int arr[n]; because the size of an ... questions/66065600/is-this-a-valid-way-to-declare-an-array-in-c...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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