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C++ Language: Learn this versatile and powerful programming language. Includes detailed explanations of pointers, functions, classes and templates, among others...

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Description of the most important classes, functions and objects of the Standard Language Library, with descriptive fully-functional short programs as examples.
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by George P

Understand internals of std::expected [Lounge]

https://www.cppstories.com/2024/expected-cpp23-internals/

[no replies]

by George P

Daily bit(e) of C++ | Optimizing code to run 87x faster [Lounge]

https://simontoth.substack.com/p/daily-bite-of-c-optimizing-code-to

[no replies]

by JUANDENT

How to use a library of C++ 20 modules from another solution file? [Windows Programming]

Hi, I have a library of C++ 20 modules which I can use from projects in the same solution but not from projects in another solution. I have instructed the l...

[3 replies] Last: that may work, but no, I mean pure windows folder management. You sho... (by jonnin)

by Duthomhas

Made the mistake of trying to help out at SO again. [Lounge]

I guess I’ll never learn. https://stackoverflow.com/questions/78396197/is-there-a-cleaner-way-to-write-this-c-code Closed as “opinion-based”. [sup...

[4 replies] Last: Then we can pull it all together in: main.c[/code][code] #include <... (by Duthomhas)

by SubZeroWins

C++ Questions (1,2,3,...,10,11,12,13) [Beginners]

1) Why does "&myChar " act differently in 2 different contexts? [code] char* pointer = &myChar[0]; //ALSO WORKS!!! [/code] Above, it actually return th...

[244 replies] Last: The increasingly poor quality of search results drives me bonkers, but... (by Duthomhas)

by TheIdeasMan

UB in STL [Lounge]

It bugs me that parts of the Ranges library allows UB, or doesn't have bounds checking. Given the recent criticism of C++ being an "unsafe language", I wonder w...

[15 replies] Last: @Peter87 Thanks for your great post :+) I don't think I have ever us... (by TheIdeasMan)

by Duthomhas

I just cannot understand this driving behavior... [Lounge]

People where I live (NJ) are weird, but I’ve had this happen in places like NM too. Today I was coming home in my big ol’ pickup truck, and the neighborhood st...

[9 replies] Last: The other driver then came to a full and complete stop also. And just... (by George P)

by JUANDENT

Mismatch overload problem [General C++ Programming]

Why does s have the value false? template<typename T> char test_have_range(decltype(&T::begin), decltype(&T::end)); template<typename T> short test_hav...

[1 reply] : #ifndef DUTHOMHAS_IS_ITERABLE_HPP #define DUTHOMHAS_IS_ITERABLE_HPP ... (by Duthomhas)

by ElusiveTau

How to set up runtime environment for developing and testing Windows apps? [Windows Programming]

I would like to learn how to write my own credential provider but I don't want to roll out changes on my personal computer, in case I do something dumb and lo...

[2 replies] Last: I also recommend using a Virtual Machine (VM), e.g. via Oracle Virtual... (by kigar64551)

by JUANDENT

How to test if a type T has a begin<T> defined [General C++ Programming]

I have a SFINAE context where I have the following: struct have_sort { char c; }; struct have_range { char c[2]; }; struct have_none { char c[3]; }; ...

[no replies]