Recent questions tagged operator

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operator precedence - Compilers and argument order of evaluation in C++

Okay, I'm aware that the standard dictates that a C++ implementation may choose in which order arguments of a ... so, but they would still probably complain). Question&Answers:os...

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

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operator precedence - What are the rules for evaluation order in Java?

I am reading some Java text and got the following code: int[] a = {4,4}; int b = 1; a[b] = b ... not so sure that I understand: how did the evaluation happen? Question&Answers:os...

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

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operator precedence - What does *--a = *--b mean in C

Suppose a and b are pointers, My understanding is *--a = *--b means subtract 1 from a and b using pointer ... https://stackoverflow.com/questions/65858987/what-does-a-b-mean-in-c...

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

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operator overloading - Turn `1+1==3` to return True on Python

Strange question: I want this expression to be True. 1+1==3, although I know it's not :). if 1+1==3: ... ://stackoverflow.com/questions/65865104/turn-11-3-to-return-true-on-python...

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

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operator keyword - How do I use a mask to set bit #1 to 0 in 8-bit binary?

I want to set bit #1 equal to 0 (aka "clearing" it). Which mask would I use? Would 01000000 be correct when used with the AND ... do-i-use-a-mask-to-set-bit-1-to-0-in-8-bit-binary...

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

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699 views

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operator precedence - What does *--a = *--b mean in C

Suppose a and b are pointers, My understanding is *--a = *--b means subtract 1 from a and b using pointer ... https://stackoverflow.com/questions/65858987/what-does-a-b-mean-in-c...

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

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529 views

1 answer

operator precedence - What does *--a = *--b mean in C

Suppose a and b are pointers, My understanding is *--a = *--b means subtract 1 from a and b using pointer ... https://stackoverflow.com/questions/65858987/what-does-a-b-mean-in-c...

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

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608 views

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operator overloading - Is length and this->length are same in this code in c++?

I have an overloaded operator: rectangletype rectangletype::operator+(const rectangletype& rect) const { rectangletype temprect; ... same result, but does it work like same?...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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