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 seeplus

New Safe C++ Proposal (1,2,3,4,5) [Lounge]

There is now a Safe C++ proposal that extends C++ by defining a superset of the language that can be used to write code with strong safety guarantees. See: htt...

[80 replies] Last: If something like pointer arithmetic is done, it can be right or wron... (by helios)

by helios

Unpopular opinions [Lounge]

The plural of "layoff" is "layoves". Every non-pressurized drink should come in a bag, as it's a much more efficient packaging (assuming it must be disposabl...

[7 replies] Last: I actually agree with all the “driving” opinions. - Australian...[/q... (by Duthomhas)

by ElusiveTau

How to create bare-minimum Windows Application with Console Access? [Windows Programming]

I'm following this video tutorial and would like to run the code snippet at 1:07. [code] #define WIN32_LEAN_AND_MEAN #include <iostream> #include <strin...

[6 replies] Last: Using std::format[/tt], and explicitly the C++ min/max functions not ... (by George PlusPlus)

by Hasa2019

Why its showing wrong ? [Beginners]

Hi there, I am trying to run a code what school going student can do ! But not sure what kind of mistake I am doing. Take a look the program #include<s...

[6 replies] Last: Just because you can doesn't mean you should. [/quote] :) [quote]do-... (by seeplus)

by Cyclone

Windows water mark now appears on desktop [Lounge]

I was messing around with some programs. Not sure what happened but there was now a watermark saying to activate windows. Said go to settings which I did. Then ...

[1 reply] : Definitely run a full virus scan (Windows Defender will do), but it is... (by Duthomhas)

by JUANDENT

what does T = 0 mean in a template parameter? [General C++ Programming]

What does T = 0 mean in the following code: template<typename T, T = 0> T moduloOf(T a, T b) { return a % b; } [/code]

[4 replies] Last: Indeed: "initialized with value 0" limit what type the T can be? (by JUANDENT)

by Coubarrie

Save to file with vector (dynamically) [General C++ Programming]

I have created a programme that does calculations and generates results from those calculations. The imformation generated is stored in variables for later d...

[8 replies] Last: This is some simple C++11 code to write a vector of numbers to a file ... (by seeplus)

by Duthomhas

Fox-Star Search Fun (1,2) [Lounge]

A recent question asked about the A* Search algorithm (https://cplusplus.com/forum/beginner/285875/#msg1243408 [/b]), something I had never messed with, so I de...

[28 replies] Last: Take your time, I already know how to ensure your code does compile wi... (by George PlusPlus)

by George PlusPlus

C++ fixed size string [Lounge]

Why is something like this not part of the C++ stdlib, only available in many different 3rd party libraries? One example, header only, with a vcpkg package: fi...

[7 replies] Last: So you'd rather have tons of 3rd party libraries instead, or custom co... (by George PlusPlus)

by LsDefect

When does early binding happen? [General C++ Programming]

Thing 1: Static binding takes place during compilation - function calls are replaced with an instruction saying "go here for the appropriate function definit...

[1 reply] : I guess this is what's called "devirtualization" which GCC has optimiz... (by Peter87)