Recent questions tagged standards

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standards compliance - Why does C++ allow variable length arrays that aren't dynamically allocated?

I'm relatively new to C++, and from the beginning it's been drilled into me that you can't do something like ... why isn't it in the standard? See Question&Answers more detail:os...

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

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standards - Are there stackless or heapless implementation of C++?

C++ standard does not mention anything about the stack or the heap, they are implementation specific, which is true ... 't use stacks and heaps? See Question&Answers more detail:os...

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

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standards - Hex representation of a color with alpha channel?

Is there a W3 or any other noteworthy standard on how to represent a color (including alpha channel) in hex format? Is it #RGBA or #ARGB? See Question&Answers more detail:os...

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

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standards - Is it legal to redefine a C++ keyword?

In this article from Guru of the week, it is said: It is illegal to #define a reserved word. Is ... programmers redefining new, for instance. See Question&Answers more detail:os...

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

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standards - Why does C++ output negative numbers when using modulo?

Math: If you have an equation like this: x = 3 mod 7 x could be ... -4, 3, 10, 17, ..., ... for a long list of what modulo does in different languages. Question&Answers:os...

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

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standards compliance - Is main() really start of a C++ program?

The section $3.6.1/1 from the C++ Standard reads, A program shall contain a global function called main, which ... program". So how exactly do you define it? Question&Answers:os...

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

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standards - Is there a W3C valid way to disable autocomplete in a HTML form?

When using the xhtml1-transitional.dtd doctype, collecting a credit card number with the following HTML <input type ... -complete on sensitive fields in a form? Question&Answers:os...

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

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standards - Order of evaluation in C++ function parameters

If we have three functions (foo, bar, and baz) that are composed like so... foo(bar(), baz()) Is there ... C++ standard that bar will be evaluated before baz? Question&Answers:os...

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

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standards - Does JSON syntax allow duplicate keys in an object?

Is this valid json? { "a" : "x", "a" : "y" } http://jsonlint.com/ says yes. http:/ ... probably use a hashtable so it is being overriden anyways. Question&Answers:os...

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

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standards - Check if falsy except zero in JavaScript

I am checking if a value is not falsy with if (value) { .. } but I do want to accept zeros as ... ://stackoverflow.com/questions/31626876/check-if-falsy-except-zero-in-javascript...

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

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337 views

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standards - git: change styling (whitespace) without changing ownership/blame?

We have a massive, ancient codebase that needs a lot of cleanup. We have always had coding standards ... /4112410/git-change-styling-whitespace-without-changing-ownership-blame...

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

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423 views

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standards - git: change styling (whitespace) without changing ownership/blame?

We have a massive, ancient codebase that needs a lot of cleanup. We have always had coding standards ... /4112410/git-change-styling-whitespace-without-changing-ownership-blame...

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

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509 views

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standards - double negation in C : is it guaranteed to return 0/1?

Is !!(x) guaranteed by the standard to return 0/1? Note that I am not asking about c++, where a bool type ... /questions/8617090/double-negation-in-c-is-it-guaranteed-to-return-0-1...

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

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