Beginners - C++ Forum - September 2021 (Page 5)

by volume3066

I'm new, and I don't know why this does not run successfully.

I am a student and starting to learn C++. Here is the question: The program accepts two positive int...

Sep 16, 2021 at 9:55pm

[3 replies] Last: This chat is ancient, it does not support that, another post is correc... (by jonnin)

by a7300235

can we use lambda to initialize set/map container?

//neccessary headfiles are included int main(){ auto f= (int x,int y){return x>y;}; ...

Sep 16, 2021 at 6:38pm

[4 replies] Last: > neccessary headfiles are included Why not paste the necessary #inclu... (by Ganado)

by Shibbito

Sweeping/searching/slicing in c++

Hi, I would like to get a better understanding with each slicing and determine how to sweep through ...

Sep 16, 2021 at 11:24am

[4 replies] Last: #include <iostream> #include <vector> #include <string> #include <sst... (by lastchance)

by Grust697

open lots of text

Working with microsoft visual studio. Wondering if there is a way to get a program to open the exact...

Sep 15, 2021 at 6:53pm

[9 replies] Last: Well I figured I'd have some fun and wrote it again using X11. Then wh... (by Duthomhas)

by Geckoo

What is this last address?

I have just a simple question trying to understand correctly pointers. I understand the first and th...

Sep 15, 2021 at 5:58pm

[8 replies] Last: Clever. Thanks ++ (by Geckoo)

by a7300235

confusion on object construction

//neccessary headfiles are included class obj{ public: int x; obj(const &o){;} ob...

Sep 15, 2021 at 4:43pm

[1 reply] : L11 creates a as an instance of obj using default constructor - as no ... (by seeplus)

by RDelPorto

Floating point number greater than 8 bytes

Is it possible in C++ to handle number that would be greater thatn 8 bytes? I have a situation wher...

Sep 15, 2021 at 12:13pm

[12 replies] Last: Doh, and I fail the class for not reading the instructions! still, the... (by jonnin)

by divBaral

Unary Operator Overloading

Why is this compiled? (EDIT: in line no 24) Isn't c++ is rval? even if it is lval it is not assigned...

Sep 15, 2021 at 9:43am

[6 replies] Last: thanks (by divBaral)

by Grust697

Open another window in visual studio

Trying to make a C++ code in visual studio 2019 that will open a video in another window, and create...

Sep 15, 2021 at 7:31am

[4 replies] Last: that will open a video in another window I know the basics Knowin... (by malibor)

by persades

Classes/Functions

Working on creating a class with methods, using functions i have to get and display info im getti...

Sep 15, 2021 at 5:39am

[1 reply] : Edit: You don't have the <string> header included, the compiler would ... (by TheIdeasMan)

by gigacapybara

Extract and Add a Series of Numbers

I have to extract numbers from a string and then add them, but I am stuck and I'm just not sure what...

Sep 14, 2021 at 7:40pm

[10 replies] Last: I offended him in another thread. Rather than accept that Things Don'... (by Duthomhas)

by Grust697

Timed Password Cancel

how i delete a post

Sep 14, 2021 at 6:03pm

[1 reply] : little things: just return 3, exit(3) is not useful. unistd locks yo... (by jonnin)

by twaynfme

Find Largest Prime Number

A Prime Number is a number that is greater than 1 and has just two factors: itself and 1. Given a...

Sep 14, 2021 at 5:32pm

[17 replies] Last: the trick to the babylon method is the initial guess. for 0-10k, a be... (by jonnin)

by ChesterPlus

ASCII art not printing

I'm having trouble figuring out why the console is not printing out the ASCII art. Side note, there...

Sep 14, 2021 at 5:05pm

[9 replies] Last: Here's your happy house.... There's something fishy goin' on here: ... (by deleted account xyzzy)

by dntwk707

(Pointer) can you tell me the difference in two blocks of code?

Hi I am learning c++ linked list data structure. I am stuck in understanding difference of these tw...

Sep 14, 2021 at 4:27pm

[6 replies] Last: Thank you so much all for very well written explanation. It makes much... (by dntwk707)

by closed account Nwb4iNh0

Pointer inside the struct

use pointers inside classes or struct, can some explain why/how use pointers inside the struct, i h...

Sep 14, 2021 at 2:35pm

[8 replies] Last: The nextPointer here is used to point to next item in the linked list... (by AbstractionAnon)

by dizzie

unexpected and unwanted output

hey, I'm having problems with coding this program. the output is not what i wanted. any ideas? th...

Sep 14, 2021 at 8:40am

[3 replies] Last: float menu, type, request, water; These variables are never set t... (by seeplus)

by SubZeroWins

user defined literal, REQUIRES long double???

QUESTION 1: Why do I get a compile error invalid parameter list when I set the user defined literal ...

Sep 14, 2021 at 12:59am

[10 replies] Last: Arguably optimizing readability and code quality raises the ceiling of... (by helios)

by DeathSpirit

Wireless tagging for beginners

I will preface this question with a caveat: I'm a reasonably talented programmer, but an absolute no...

Sep 13, 2021 at 10:25pm

[3 replies] Last: Sounds like an opportunity for an Arduino/Raspberry Pi combined with s... (by againtry)

by ThisAintMeDude

How to make sure that different dynamic memory is allocated to the same pointer when using while loop? (1,2)

Here is my question: How to use a while loop to allocate different dynamic memory address to the sa...

Sep 13, 2021 at 8:34pm

[38 replies] Last: you started the slang. (by anup30)

Beginners - September 2021 (Page 5)

C++

Forum