Tutorials

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

Reference

Description of the most important classes, functions and objects of the Standard Language Library, with descriptive fully-functional short programs as examples.
Browse the C++ Reference

Articles

User-contributed articles, organized into different categories.
You can contribute your own articles!
Browse Articles

Latest forum activity:

by zapshe

Complacency (1,2,3) [Lounge]

We're here at the last chance for him to turn back. We all know defying their decision, especially being 9-0, is the hill he wants to die on. He's installed his...

May 1, 2025 at 10:11pm

[40 replies] Last: Forgive my slowness[/quote] No worries, take your time. [quote]The b... (by zapshe)

by Heyyo53

PNG File Reader (1,2) [General C++ Programming]

I have been on a quest to write some kind of PNG file reader, mostly just for myself, and I was wondering if there is any good resources on how to do binary fil...

May 1, 2025 at 9:29pm

[34 replies] Last: Sorry. Didn’t mean to do that. The argv[/code] array is guaranteed t... (by Duthomhas)

by Ganado

Safer way to maintain struct initializations [General C++ Programming]

I ran into this problem a bit ago, and was wondering what future-proofing refactor people would suggest. Let's say I have a struct that just contains some simp...

May 1, 2025 at 7:57pm

[no replies]

by Gorlash

mingw gdiplus rendering scales wrong [Windows Programming]

I'm trying to convert GDI32 program to GDI+ ... I'm using MinGW toolchain (TDM V10.3.0) on Windows 10. I am trying to implement an ImageList capability in ...

May 1, 2025 at 5:58pm

[no replies]

by Xaxazak

discussion on std::ranges::iterator_t<T> being distinct from T::iterator (and same for begin) [General C++ Programming]

I recently spent an hour or so on a bug that came down to std::ranges::const_iterator_t<T> sometimes being different from T::const_iterator. For example: === s...

May 1, 2025 at 12:44pm

[2 replies] Last: Sorry, I'm not sure what you're saying, precisely. I agree they curren... (by Xaxazak)

by kitfox

How to create white noise random hashing function? [General C++ Programming]

I'm trying to figure out how to build a random hashing function that emphasizes speed and repeatability. Basically, for input it will have an unsigned int seed...

Apr 28, 2025 at 8:21am

[1 reply] : I think you can use any proper hash function[/b] to produce a (pseudo... (by kigar64551)

by Duthomhas

More unpopular opinions [Lounge]

Continuing from https://cplusplus.com/forum/lounge/285914/ If you are in a school zone, either early in the morning when students are being dropped off or ...

Apr 24, 2025 at 6:38am

[12 replies] Last: What do you think of the Pattinson Batmans?[/quote] The movie itself ... (by zapshe)

by Duthomhas

Random Story Time (1,2) [Lounge]

I once went to McDonalds, waaay back when $5 was expensive, and bought food that totaled something like $6.85. I gave the cashier a five, two ones, and a dim...

Apr 23, 2025 at 3:17am

[24 replies] Last: > Montana Fish, Wildlife & Parks Bear Identification Course[/b] The m... (by Ganado)

by Jonathan100

make: /usr/bin//-g++: No such file or directory [UNIX/Linux Programming]

Hi I got a vs code environment on my host (ubuntu 22.04), and i want to cross-compile an application for imx8mp board. It worked pretty good intil i insta...

Apr 21, 2025 at 9:59pm

[3 replies] Last: Notice here: [b]/usr/bin//-g++[/b] it interpret somehow that the comp... (by kigar64551)

by chipp

what happened to this forum????? [Lounge]

it seems like it became veeeery quiet in here[/b] [b]what happened?????[/b] are we have another new forum or something...?

Apr 15, 2025 at 7:19am

[6 replies] Last: apart from these, this forum is on a blacklist at most active c++ site... (by jonnin)