C++

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April 2022

Beginners - April 2022

This program prints the same question after the user selects to play again and sometimes it'll print "wrong" even when the user is correct. Im assuming its just...

Apr 30, 2022 at 4:58pm

[4 replies] Last: vasncode, you should remove line 284 (77 in newbieg's post). It's enti... (by Ganado)

by lilthanos

I need some explaining.

Hey guys. Good evening. So i've been trying to do a line of code for about a hour now but I don't seem to get it. 3 <-- how many lines 1 12.50 2 3 10.50 1 2 7...

Apr 30, 2022 at 4:37pm

[5 replies] Last: #include <iostream> #include <fstream> #include <algorithm> using nam... (by lastchance)

by PopSmoke

Implementing a break in my If-else statements

I'm trying to create a program that rolls a random number 1-6, which is then outputted to a die face, then it stops after each number has been rolled once. I fi...

Apr 29, 2022 at 6:33pm

[14 replies] Last: @seeplus you're correct. Those numbers I used correlate to a TDB modul... (by PopSmoke)

by BigNibs

I cannot debug my program

my IDE is telling me to take out a parenthase on lines 15 and 17, if I do this my program simply wont work! please help me //Lab 9D #include <iostream> ...

Apr 29, 2022 at 4:52pm

[4 replies] Last: the instructions tell me to use it - can we get a full copy of the ... (by newbieg)

by ahmed0x

Translate code into pseudo code

Write your question here. Hello, I am done writing this code for my class and the next step is to turn it into pseudocode could someone give me an example of w...

Apr 29, 2022 at 4:07pm

[5 replies] Last: Slightly simplified code: #include <iostream> #include <iomanip> #i... (by seeplus)

by nandikaka

I don't understand why this function doesn't work.

I am new to coding and I'm currently learning about Divide et Impera. I want to calculate the sum of the elements from an array, and I thought I should start wi...

Apr 29, 2022 at 12:21pm

[6 replies] Last: Ok, thank you so much!!! Now I understand!!! I gave it as an argument ... (by nandikaka)

by lostdog

location of known substring between 2 points in a string

Probably simple, but seems I'm simpler. I want to find location of known substring between 2 points in a string. I think I know how to do it in steps, but...

Apr 29, 2022 at 2:49am

[7 replies] Last: The problem with std::string::substr() is that it creates a copy. Us... (by Duthomhas)

by CodeChaser

Variadic template functions

#include <iostream> using namespace std; void print() { cout << "I am empty function and " "I am called at last.\n"; } template <typename ...

Apr 29, 2022 at 12:38am

[11 replies] Last: Thanks. void Sum(Res&) {} And although this overloaded Sum does not... (by CodeChaser)

by lostdog

read comport

Hi there, I found an example for i/o on a comport, although, I don't believe I'm getting anything on the read side of things, can anybody point me in the right...

Apr 28, 2022 at 10:24pm

[9 replies] Last: BTW, “comport” is a verb meaning “to be in agreement with ”: ... (by Duthomhas)

by jordan mpho

function lsqfit() that performs a least-squares fit

Write youThe dataset in the file “linedat.txt” contains two columns and it can be described by a linear function of the form y = ax + b. The x -value is rep...

Apr 28, 2022 at 12:12pm

[3 replies] Last: @jordan Combining the two previous posts with the following should giv... (by againtry)

by numba1sonman

Custom string class problems

Hello, for one of my college projects I am asked to create a basic string class to call upon in my code. I feel like I am very close, but something is not wor...

Apr 28, 2022 at 9:13am

[14 replies] Last: Rather than having Mystring convert to const char* implicitly I think ... (by Peter87)

by mermaidly

Caeser Cipher

Hey guys, I'm trying to displace letters in a sentence using a few functions but I can't figure out why I'm unable to exit the loop of getchar. Any other mist...

Apr 28, 2022 at 9:04am

[2 replies] Last: char represents the type for just 1 character - not a sentence. Have ... (by seeplus)

by LakySimi1

Disadvantages of writing full code in header file and not use ".cpp" files?

Hi everyone, i know i'm doing it wrong but, as the title says, why can't i simply write the full code of my functions in an header files and put the header in t...

Apr 28, 2022 at 7:54am

[19 replies] Last: If you have only one source file that includes something, then you ess... (by keskiverto)

by ssspppa

Add user-input to array until user inputs 0

Already got down the 'keep adding to the array' until array is 'full'. But how do I get the program to stop adding into the array when the user inputs 0? Any ...

Apr 27, 2022 at 2:36pm

[5 replies] Last: Thanks to the both of you -- I'm learning a lot! :) I'll mark this th... (by ssspppa)

by numba1sonman

How to share program to run for a friend?

I just finished writing a small potion store program that just opens the terminal and prompts the user to enter information. I was curious how to share this c...

Apr 27, 2022 at 1:43am

[3 replies] Last: be sure to compile it in release mode before you give it out. This he... (by jonnin)

by Codeman23

swirly parentheses problems

Hello, when I try to run the code it gives me this warning main.cpp:21:5: error: a function-definition is not allowed here before ‘{’ token 21 | { ...

Apr 26, 2022 at 9:19pm

[2 replies] Last: Yep, It is working now, thank you for all of your help (by Codeman23)

by wimvandenborre

reading params from list in string

Hey everyone, I have the following string: Reply from server: {"success":true,"uses":1,"purchase":{"seller_id":"PqK9YWSyICYZnR6hSnzzWA==","product...

Apr 26, 2022 at 9:55am

[5 replies] Last: Yes - if the format of the reply string changes, then that extraction ... (by seeplus)

by sp7cpp

Can we pass pointer to function contains const reference variable

I am getting an error cannot convert argument 1 from 'Cars*' to 'const Cars&', for the following snippet.. Cant we send pointer to a function contains const ref...

Apr 26, 2022 at 7:23am

[2 replies] Last: A pointer is not the same thing as a reference. The problem is not c... (by Peter87)

by Codeman23

even if(){}code problems

So, I'm trying to make a code so, it asks the user what day it is, and the user says a response depending on the day (I'm very bad at code don't judge me) Code:...

Apr 25, 2022 at 5:40pm

[7 replies] Last: [quote=Codeman23]I'm very bad at code There is a free online tutorial... (by deleted account xyzzy)

by Shervan360

Can I use malloc without sizeof?

Hello, Could you please tell me what's the differences between these codes? and give me a clear example? Thank you int* int_ptr = (int*)malloc(5); ...

Apr 25, 2022 at 3:45pm

[4 replies] Last: Be aware that the size of basic types like int or long is not fi... (by kigar64551)

April 2022 Pages: 12 3... 7

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