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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 Ch1156

Using std::variant to reduce getter and setter clutter [Beginners]

I'm experimenting with new ways to reduce code bloat, and one of my biggest gripes is always having to create two different functions for one variable, so my so...

[9 replies] Last: Yes, basically the same story for me. Currently the C++ committee do... (by mbozzi)

by Ch1156

Is this how you do object chaining? [Beginners]

Im learning about object chaining and im wondering if im doing it correctly. #include <iostream> #include <print> #include <string> #include <vector> ...

[9 replies] Last: Thank you for all the replies! That seems like a straight forward conc... (by Ch1156)

by nowy20180820

Programming math - polynomial class [Beginners]

How to write templated polynomial class I would like to have overloaded operators like + -(unary,binary) * Here we can have school multiplication or...

[8 replies] Last: A wouldn't make this a template, unless you need it to work with float... (by dhayden)

by ElusiveTau

Opening Multiple Console Windows One For Each Thread [Windows Programming]

I'm playing around with threads and rather than designing a class to manage output to a single console i.e., a single stdout, I figured to use this approach t...

[7 replies] Last: Not sure if it was only my system but MSVC compiler emitted compiler ... (by kigar64551)

by PhysicsIsFun

Pybind11 slows my C++ code substantially [General C++ Programming]

Greetings everyone, continuing with my particle simulation, I am trying to turn it into a python package (I work in maths, and most people would never be able ...

[4 replies] Last: of course it can. you may need to hand wave at byte ordering if you g... (by jonnin)

by PhysicsIsFun

scientific computing - optimize speed [General C++ Programming]

Greetings, this is a longer thread, so thank you in advance for anyone who takes the time. It might be that no one can help me without sharing the whole github...

[15 replies] Last: Hi guys, thanks for your interest and hints that focusing on the algo... (by PhysicsIsFun)

by Jonathan100

stack and heap [Beginners]

Hi, I have some programming concepts question: Why is stack (in context of stack and heap) considered LIFO (last in first out)? The last time i checke...

[9 replies] Last: What question, exactly? Weren't here plenty of explanations ("solution... (by keskiverto)

by zapshe

AI is something special (1,2,3,4) [Lounge]

I feel like AI is getting overlooked by many. I feel like I have a real professional in any field I want to learn about just waiting for me to ask things. Yes,...

[71 replies] Last: HUH? You're not forced to reply either. I just wanted to reach some co... (by zapshe)

by PhysicsIsFun

Website does not work properly with Linux [Lounge]

Hi guys, on my Linux machine (Ubuntu 22.04.05) the website does not work properly. I need to use the legacy version by clicking on the button at the top right ...

[6 replies] Last: Ah, it seems my understanding of the problem is in error. Sorry. (by Duthomhas)

by zzzhhh

Should the subscript "opt" be dropped in the definition of "array of N T" in the standard? [Beginners]

This is the definitive syntax of "array of N T" in C++ Standard https://eel.is/c++draft/dcl.array#1 : D1 [ constant-expression_opt ] ... [/quote] I think t...

[3 replies] Last: Hi Is it because the array bound may be omitted when there are initia... (by TheIdeasMan)