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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 Heyyo53

PNG File Reader [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...

Apr 7, 2025 at 11:39am

[4 replies] Last: You will, in practice, never find chunks out of order. Some chunks ar... (by Duthomhas)

by ElusiveTau

Logging Wrong Line Number [Beginners]

I'm working with C++17 or prior. I'm writing a custom logger class (I don't have access to a logging library) and have an issue with the following use case. ...

Apr 6, 2025 at 9:13pm

[5 replies] Last: [quote=kigar64551]#ifdef CUSTOM_LOGGER #ifdef CUSTOM_LOGGER # define ... (by ElusiveTau)

by Duthomhas

I wrote a cron job! (1,2) [Lounge]

This is a continuation of Finally switched to Linux Mint[/b] (https://cplusplus.com/forum/lounge/285724/[b][/b]). Mint, by default, is constantly popping up n...

Apr 4, 2025 at 11:14am

[25 replies] Last: Someone did wrote a news piece for April 1st about "one common package... (by keskiverto)

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 4, 2025 at 5:40am

[8 replies] Last: Nah, that’s just part of learning how to drive. And cars with Japane... (by Duthomhas)

by SimpleCoder

MSVC Solution and C1011 Error [Windows Programming]

MSVS Community Edition, v17.12.5 (latest), Win10 (latest), 64-bit I've raised an issue with MS, but after their acknowledging that they've replicated the probl...

Mar 28, 2025 at 4:47am

[3 replies] Last: did you try using #include instead? I know you may not want to, but m... (by jonnin)

by Ch1156

Is my understanding of pointers correct? [Beginners]

So I've been studying pointers and really trying to learn how to use them and how they work, and I feel like I completely understand their use cases now. I...

Mar 26, 2025 at 2:18am

[19 replies] Last: I have just discovered that [[nodiscard]][/code] can be applied to ty... (by TheIdeasMan)

by ElusiveTau

Getter for enum member returns a copy of enum? [Beginners]

I came across something non-intuitive, found a solution, but don't fully understand why the solution works. #include <iostream> using namespace std; enum ...

Mar 19, 2025 at 2:32am

[11 replies] Last: My view with regard to interface and not needing setters and maybe nee... (by TheIdeasMan)

by bistelA0005

Use C++ 20 with Embarcadero [General C++ Programming]

I have been using C++ builder for some C projects. It works really well. However, I have been trying to run some code from a tutorial I want to follow and I get...

Mar 18, 2025 at 3:36am

[4 replies] Last: The last recourse is the "other compiler options" where you can just l... (by salem c)

by BernardIE5317

Call of Templated Function w/ Explicit Template Argument Fails to Compile [General C++ Programming]

greetings kind regards may i please enquire why compiler reports error for code below as indicated . thank you kindly template<typename T, typename U> voi...

Mar 15, 2025 at 10:20pm

[1 reply] : The meaning of the name _T.aaa[/tt] depends on the template parameter... (by mbozzi)

by Duthomhas

Random Story Time [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...

Mar 14, 2025 at 8:29am

[19 replies] Last: it was a little joke from ancient history. Long ago, there was a made... (by jonnin)