General C++ Programming - C++ Forum

by Mitsuru

What COM(component object model) aimed at?

I sometimes think about what windows c++ library technique, COM(component object model), designed an...

[6 replies] Last: Performance isn't specifically caused by COM, but COM is a product of ... (by kbw)

by salem c

How can I solve this without using map method?

What have you managed to achieve so far? And no, we're not in the business of entering competitions...

[12 replies] Last: I was hoping lastchance might take a gander at this. Nicely done! That... (by dutch)

by QueenJJ

STL

I have this question from one of my assignments int main(int argv, char* argc ) { int i; list<int> ...

[6 replies] Last: Thank you very much, problem solved (by QueenJJ)

by OYS

Exception thrown at 0x00509159 in FA.exe: 0xC0000005: Access violation reading location 0x0040400C.

This is my typedef struct typedef struct { char date ; double price; double SMA; double EMA; }D...

[5 replies] Last: Dunno - is this what you want? for (int i = j; i < j + time_frame; i... (by salem c)

by doggi

Create object using unique_ptr

I have enum class with 3 types of objects. Need to create an appropriate type of object using unique...

[7 replies] Last: Okay, doug4, I will try (by doggi)

by GodGnidoc

what is the type of the label pointing to statement

This morning I come out with this question, what is the type of the label pointing to statement ? ...

[2 replies] Last: Such ! Amazing !!! I almost gave up to find out the way to achieve th... (by GodGnidoc)

by Mitsuru

C++ design after C++11

Dear experts As you know, C++ has developed to provide standard ways in multi paradigm(generic, o...

[3 replies] Last: Dear kbw & Furry Guy Thank you for your replies. Indeed, I learned t... (by Mitsuru)

by paulgureghian

If you run my code, what is your output ?

``` // Created by Paul A. Gureghian in May 2020. // //This C program takes two integers and calcul...

[1 reply] : Do you realize that you must enter "Enter 1'st integer:" along with yo... (by jlb)

by Scarletpimp

concatenate 2 integers and make 3rd integer

I have 2 integers 1 and 001 how do i make it 1001? Tried to convert both numbers into string using t...

[12 replies] Last: Isn't that just int test = 1 * 1000 + x; ?? (by dhayden)

by Denise43

C++ Coding Errors

Hello, I am new to this forum and trying to teach myself how to code using C++. I don´t know why wh...

[1 reply] : Please edit your post and add [co de] tags around your code. That's ... (by helios)

by TheToaster

C++17 Temporary Materialization Efficiency

I ran the following test on Godbolt: https://godbolt.org/z/WtNfn7 As you can see, the C++17 comp...

[2 replies] Last: Ah yeah, that reduced the size of both to 19 lines (by TheToaster)

by cjharris85

need help to get program to load/read txt file

Below is the code I have and i am in need of help getting program to load a text file so the user ca...

[4 replies] Last: @lastchance, I see. I found it here also http://www.cplusplus.com/foru... (by thmm)

by Destinymendez

C++ help

Hi! I need some help some help with some labs. I’m new here so I’m not entirely sure that I’m ...

[1 reply] : You can post links to pictures if you must. Pasted text is always best... (by dutch)

by Thomas1965

Adding two numbers in modern C++

This morning a friend asked me how to add two numbers in modern C++. First I wanted to write that y...

[6 replies] Last: #include <iostream> #include <cstdint> using int32 = std::int32_t; ... (by dutch)

by Orangutango

What is the difference between python and arduino programming?

I am a Python programmer and want to learn Arduino programming so want to know what are the main dif...

[2 replies] Last: @Orangutango The short answer is try both. C/C++ as Arduino uses it i... (by againtry)

by Validity

Why can't I declare string inside a public class?

#ifndef PLAYER_H #define PLAYER_H #include <iostream> #include <string> using namespace std; c...

[9 replies] Last: @MikeyBoy I fixed the problem, I was using the same header in another ... (by Validity)

by danniman

Beginner C++ Magic Square Input Check with limits...

Help ! I am still a beginner in C++, and we were tasked with a final project on magic square. Th...

[no replies]

by mbozzi

Should I create problem-specific type aliases?

Frequently, I settle for a general-purpose type when I really want a problem specific one. For exam...

[4 replies] Last: At work, we have "jobs" and "users" and "documents" etc. They're all ... (by mbozzi)

by adam2016

Confusion about an answer on SO

Hey guys, so I'm reading this post on SO - https://stackoverflow.com/questions/9152890/what-would...

[14 replies] Last: The notation isn't really important. Notice for example that in the pr... (by helios)

by zakinithos

Removing only a single duplicate element from a vector of objects

So I have been trying to design combat mechanics in a text based RPG project, and currently I have a...

[3 replies] Last: one of a set of matching types The find_if returns iterator to one o... (by keskiverto)

General C++ Programming - May 2020 (Page 7)

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