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Never seen before C++ for loop

...loop is in the middle - between the two semicolons ;. In C++ it is OK to put almost any expression as a condition: anything that evaluates to zero means false; non-zero means true. In your case, the condition is u--: when you convert to C#, simply add != 0: for (u = b.size(), v = b.back(); u-- !=...
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Finding quaternion representing the rotation from one vector to another

I have two vectors u and v. Is there a way of finding a quaternion representing the rotation from u to v? 7 Answers ...
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How to override trait function and call it from the overridden function?

... Your last one was almost there: trait A { function calc($v) { return $v+1; } } class MyClass { use A { calc as protected traitcalc; } function calc($v) { $v++; return $this...
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What are the complexity guarantees of the standard containers?

Apparently ;-) the standard containers provide some form of guarantees. 3 Answers 3 ...
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sed one-liner to convert all uppercase to lowercase?

...extfile in which some words are printed in ALL CAPS. I want to be able to just convert everything in the textfile to lowercase, using sed . That means that the first sentence would then read, 'i have a textfile in which some words are printed in all caps.' ...
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Iterate through the fields of a struct in Go

Basically, the only way (that I know of) to iterate through the values of the fields of a struct is like this: 3 Answers ...
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`elif` in list comprehension conditionals

Can we use elif in list comprehension? 6 Answers 6 ...
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Git flow release branches and tags - with or without “v” prefix

I have seen multiple contradicting definitions on various git flow related websites. Is there an official recommendation or single source of truth? ...
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How do I get the YouTube video ID from a URL?

I want to get the v=id from YouTube’s URL with JavaScript (no jQuery, pure JavaScript). 39 Answers ...
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Mounting multiple volumes on a docker container?

I know I can mount a directory in my host on my container using something like 5 Answers ...