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General C++ Programming - January 2020 (Page 4)

by julie2019

Rob and Jason are joined by Phil Nash, Adi Shavit and Fred Tingaud. They talk with the three meetup and conference organizers about their motivations for launch...

[1 reply] : Another post, another opportunity for that clown who reports these pos... (by Repeater)

by eladb

MFC project

hello guys , i just start to bulid my first MFC project. i wondring if this is the right place for this subject. my gool is to create some GUI application ...

[3 replies] Last: From what I recall radio buttons can be queried to see if they are tru... (by jonnin)

by ravss2

Creating a hashtable from File Contents(Unknown Size)

I would like to create a hash table by reading the number of entries from a file, file size may be in KB’s or MB’s or even GB’s, For example: My File has ...

[8 replies] Last: its not technically wrong. But you are most likely making more troubl... (by jonnin)

by HS05669

Reverse Diagnal of matrices

Write a C++ program that inputs a square matrix and reverse the contents of its diagonal values. Example {1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16} output...

[4 replies] Last: #include <iostream> #include <valarray> #include <algorithm> #include... (by lastchance)

by CodeGetter

Weird Error List using VS2019

Have tried to compile several C++ apps downloaded from Github and they all compile with numerous errors all referring to external dependencies. So that got me t...

[1 reply] : '10.0.16299' is most likely the windows sdk version. It seems rather o... (by coder777)

by SemC

Add search functionality to your program according to the user inputs. Use switch-case to deal with different user inputs

Having trouble with searching in my program. #include <iostream> #include <fstream> #include <string> #include <stdlib.h> #include <iomanip> using name...

[1 reply] : use code tags (by dutch)

by closed account jGbRizwU

check if my program is correct

i should write a program to find the median of two sorted arrays is it correct? #include <iostream> using namespace std; double median (int array1 , int ...

[2 replies] Last: But what does it mean to find the "median of two arrays"? One after th... (by dutch)

by Doraonroids

Pacman With Classes practice

Hey first post here so let me know if I'm doing something wrong. I wanted to practice classes with a fun game aspect (shit pacman) but for some reason I can't ...

[8 replies] Last: @jonnin It works! Thanks for looking it over. I hadn't displayed the ... (by Doraonroids)

by julie2019

CppCast: Clang Hacking

Rob and Jason are joined by Saar Raz. They first discuss blog posts covering a new project management tool for C++ and another about improving Clang support for...

[no replies]

by BBrandon

Splititing a string into multiple lines with each line having at most N non-space characters

Bessie the cow is working on an essay for her writing class. Since her handwriting is quite bad, she decides to type the essay using a word processor. The ess...

[13 replies] Last: line 12: Since you are reading in the value of N you have to create a ... (by againtry)

by julie2019

C++ 2020 News

Rob and Jason discuss C++ news and the new year after the Holiday season: - The Merger of MISRA C++ and AUTOSAR C++ - Python Interpreter in GNU Debugger - ...

[5 replies] Last: Ok, got it :) (by julie2019)

by BBrandon

How to count non-space characters in C++ and to split a string into multiple stings on the space. split a?

Does anyone know how to count the non-space characters in a C++ string? Also, does anyone know how to make a C++ function that will split my string into multipl...

[3 replies] Last: Thanks! (by BBrandon)

by DMX

inheritance and polymorphism

Hello, I have a general question about inheritance and polymorphism. To start right away, here is my minimal working example: #include <iostream> using s...

[2 replies] Last: Hi DMX, The way you're asking these questions makes me think that you... (by Aaron Vienneau)

by Hanske

Saving and loading objects from classes in C++

I would like to save objects from a parent class in a text file and then be able to load the objects. The problem is that all the objects are pointers so only t...

[8 replies] Last: The problem is that all the objects are pointers so only the addresse... (by againtry)

by yabi2943993

Most inputted number wins

I want to make a program, which takes multiple inputs and counts the quantity of ones,twos,... I have this code: #include <iostream> using namespace std...

[2 replies] Last: Variable names are important; try to make them meaningful. You have on... (by Ganado)

by fewdiefie

BSP level rendering

Hi, don't think that I'm insane but I'm in love with the glorious 1996 quake first person shooter. I'm trying to write a program in C that loads a classic quake...

[2 replies] Last: It might help if you provide an example BSP file for someone to look a... (by Ganado)

by yabi2943993

Sum of an int with calculation output

Hi. I want to make a program, that sums all the digits of a certain number. The output should not be just the result. I also want to show, what the computer has...

[7 replies] Last: #include <iostream> #include <string> using namespace std; int sumDi... (by lastchance)

by ema897

inheritance

given: class Component { public: Component(); virtual ~Component(); void logicFunction(); void setInputs( Component &); char getOutput(...

[5 replies] Last: done. Thank you very much. (by ema897)

by james999

for some reason the code is just ending instantly

#include <iostream> #include <iomanip> #include <string> #include <cctype> #include <bits/stdc++.h> #include <fstream> using namespace std; void en...

[3 replies] Last: You use both std::strings and C-style arrays. That isn’t a problem, ... (by Enoizat)

by marhuum

declare initialize vector inside struct/class

how declare initialize vector inside struct/class struct Data { int m=9; vector<int> mydata(m); } gcc comes with error: ‘m’ is not a type | ve...

[2 replies] Last: Sounds like the mydata is a member variable and that you want it to ha... (by keskiverto)

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