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General C++ Programming - February 2020 (Page 6)

Not using TEXT() macro in code on VS 2017

How do we do not to use TEXT() macro in coding visual c++ source but instead opt to either Unicode or Ansi option in settings of build configuration on Visual S...

[3 replies] Last: Whenever possible you should use the Unicode versions MS suggests an... (by deleted account xyzzy)

by b p t

Send string to request bin

Hi, I would like to send a string to requestbin.net So the user enters text to the string and right after he enters it, it sends to requestbin. Any ideas? Than...

[3 replies] Last: It partly depends on exactly what you mean by "send a string". It cou... (by b p t)

by Hex213

Can use std::thread with c++/clr?

Hello can somehow be used thread or its replacement in c ++ / clr?

[3 replies] Last: Conclusions: 1. Including <thread> gives the error "<thread> is not s... (by helios)

by killuazoldyck

Network Connection

How can I connect to network with C++? What should I use? For example; I will enter a value for SSID and password in the network I want to connect. And program ...

[5 replies] Last: Well, thank you Carol for your now frank opinion, but saying it twice ... (by againtry)

by closed account Ey80oG1T

How to reduce time limit on this?

I have this code: #include <iostream> using namespace std; int main() { int minutes; cin >> minutes; int start = 1200; int digits = 3; int counte...

[11 replies] Last: assuming you have a jillion of them to do, not just one Mine solves ... (by dutch)

by adam2016

General Tree implementation

Hi guys, so after looking at different implementations online I found them all pretty basic or at least lacking a lot of features, so I decided to try and im...

[3 replies] Last: ok. If its just for practice, I don't want to intimidate you but I wo... (by jonnin)

by marhuum

How to correctly use Visual Studio as c++ dev.

Why is the Notepad++ my Visual Studio produced as instructed in BUILD.MD having file size twice larger than its official release? How can the author squeeze to ...

[6 replies] Last: @Ganado, I was merely mentioning I said something before actually chec... (by deleted account xyzzy)

by yabi2943993

Folding a paper

Hi! My program should read multiple lines each of two integers, h and x. H is the thickness of the paper in micrometers and x the height I want to reach by fol...

[8 replies] Last: I should be reported. Quite right! It's not even 4th-world standard. (by againtry)

by jjhurst

Error Help: LINK : fatal error LNK1104: cannot open file 'libboost_thread-vc141-mt-gd-1_56.lib'

Hi everyone, I'm trying to run sample code for a 2D LIDAR sensor using visual studio 2019 and I receive the following error message when I try to build the pro...

[7 replies] Last: There is a VS2017 solution in the SDK package, you will likely need to... (by deleted account xyzzy)

by AlanB

Overloaded Functions with Const

I have this function called productName that is overloaded but I don't know what is happening in the parentheses and after. void productName(const std::string...

[4 replies] Last: Thanks for that, I didn't know you can pass by reference. (by AlanB)

by coder777

UTF converting

Well, multi byte is no particular coding, hence you cannot convert it. What platform you are using? Under linux utf-8 is standard. When you use windows/visual s...

[no replies]

by dutch

Error when running +

EDIT: The lowlife pos OP deleted his posts from this thread. The second parameter to operator<< should be const.

[6 replies] Last: True, I suppose its not enforced! But that is going to yield weird c... (by jonnin)

by adam2016

Recursion and passing by reference

Hi guys I'm creating a vector that will represent a binary search tree, the root node will be the first element and the left child will be double the parent, t...

[11 replies] Last: So the vector would map vector indices to actual addresses and the tre... (by dutch)

by HS05669

Inventory Search

Hi am making a project in c++. i need to make an inventory of shopping mart, i just need to make a search option where i can search according to my preference i...

[1 reply] : you probably want a container of user defined objects, eg class item ... (by jonnin)

by marhuum

Notepad++ build problem

Apologize in advance but I do have this notepad++ build problem shattered me into bits.. After install VS 2017 with CLI, and fulfill the steps all way up to the...

[1 reply] : std::unique_ptr is defined in <memory> . (by dutch)

by TZB

Play MIDI sounds in C++ ?

Hello to all of you, I'm currently looking for a way to play MIDI sounds from a C++ software on a Raspberry Pi device. Is there a way to do it easily ? Fo...

[1 reply] : https://www.google.com/search?client=ubuntu&channel=fs&q=MIDI+sounds+f... (by salem c)

by joe809

Input Multiple Lines and Output "n" Amount of Lines.

So, I'm not that new to C++ but I'm still learning some of the basics. I want to learn how to input multiple lines. It can be using a for loop or while loop. ...

[8 replies] Last: I managed to get my answer. Thank you for the help. (by joe809)

by closed account Ey80oG1T

How to use a dynamic array

Here I have a dynamic array: int* intArr = new int ; But how can I add elements to this array?

[11 replies] Last: Oh, so it's just like a normal array? And is there a way to add a thir... (by jonnin)

by volang

Can a map store class/struct?

Hello! :) Can a map hold a struct / class that can then be used to create an object? For example: struct s1 { int a = 0; }; mymap["s1"] obj;

[3 replies] Last: std::map<std::string, std::any> { { "s1", std::make_any<s1>() } }; ... (by mbozzi)

by andy101

bool < operator overloading

#include "dbiguint.h" #include <string> #include <cstdlib> #include <iostream> dbiguint::dbiguint() { capacity_ = 1; data_=new unsigned short ;...

[14 replies] Last: ¿what's the value of `b.size()'? ¿is it 0? ¿is it 1? ¿is it -1? ¿... (by ne555)

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