General C++ Programming

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by TheIdeasMan

Proposal for explict keyword for non constructor functions

Hi all, The previous topic was archived. So I did get a reply from Jason Turner, he would like to see something like this, just that he had no idea about ...

[1 reply] : My only push back against implicitly converting it into the template f... (by Ganado)

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by Ganado

Avoid redundant construction/destruction of vector elements

I am wondering if I'm doing it right, with regard to which constructors I need to define to prevent redundant constructions/destructions of objects. Obviously, ...

[5 replies] Last: In this case, since Derived has a non-explicit constructor taking just... (by mbozzi)

by Ganado

Why must base class be constructed before derived members?

I ran into this problem when trying to encapsulate behavior into an existing, rigid structure of a project I'm working on. See both the DerivedBad and Derive...

[6 replies] Last: I just made a benign, but similar initialization-order mistake and it ... (by Ganado)

by TheIdeasMan

Proposal for explict keyword for non constructor functions

So we have the explicit specifier for constructors, would it be better if we could have explicit for any type of callable functions as well. At the moment w...

[9 replies] Last: I have been a fan of cpp2, since Herb started it; I like the whole ide... (by TheIdeasMan)

by hmoein

Newest C++ DataFrame release with a bump in major release number.

Release 4.0.0 of C++ DataFrame (https://github.com/hosseinmoein/DataFrame) contains many new analytical constructs/routines. But the big news that justifies the...

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by kitfox

Will my compiler automatically reuse the return value of this method?

I'm wondering if my compiler will be smart enough to realize that the determinant() of this matrix has already been calculated and will reuse the value that was...

[4 replies] Last: I wasn't being very clear, yes you put it in much better terms than I ... (by Ganado)

by kitfox

What's the proper way to set a std::vector to another std::vector?

I'm trying to figure out the optimal way to do this assignment. Right now I'm just doing a simple assignment, but was wondering if using std::swap() would be b...

[5 replies] Last: The outermost loop is what bothers me most. Assuming that there is at ... (by newbieg)

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