General C++ Programming - C++ Forum

On Windows, Microsoft Visual Studio is the obvious choice - it's feature-rich, and is straightforward to use.

[9 replies] Last: looks like some forums are vulnerable to edits that would not have bee... (by jonnin)

I read somewhere that it is possible to implement an `iterator` through defining begin/end methods, so object can be used in the for loop: for(const auto &it...

[10 replies] Last: for (auto i = v.begin(); i != v.end(); ) if (*i == 2) ... (by mbozzi)

by rnima

How to deallocate an array

How can i make sure I delete my array, my destructor is not being called and now i have memory leak. int main() { cout << " Enter the size of the ar...

[11 replies] Last: This is true. I rarely need these, and misspoke as to its usefulness... (by jonnin)

by rnima

How to allocate an array

Completed question, thanks!

[no replies]

by moe 6734

solved

solved

[no replies]

by yhassan86

Grading code

When I try to run my code, after 2 tries, the average does not compute. I have to compile again for it to work again even though there was no change to the cod...

[1 reply] : You need to do 2 things: 1) In future please use code tags - see <> i... (by againtry)

by ggwm

The data does not send over socket from client to the server

Hello all. I have no c++ skills, so please don't be harsh with me. I have a client and server scripts. On the client I need to accept user's input and send i...

[1 reply] : code tags help <> on the side editor, it makes large code readable. ... (by jonnin)

by ohmyninja

Login systems for multiple users

Hi everyone. I'm a c++ beginners and trying to make a simple login system for multiple users. New users can register for an account and login into the system. F...

[6 replies] Last: switches have fall through, which is a bug when you do not mean to do ... (by jonnin)

by Ganado

Thank you for solution

Sounds like a reasonable assignment, but what specifically are you having trouble with? We aren't a homework service, but will help you if you get stuck. This ...

[2 replies] Last: Here's another starter: #include <iostream> #include <string> void ... (by againtry)

by yhassan86

Averaging grades with multiple courses

I am trying to write a c++ code about averaging grades but with multiple courses. I did write it but everytime i run it, it terminates right after i answer what...

[7 replies] Last: It's an error to use floating-point numbers in this situation. Floati... (by mbozzi)

by highwayman

program => massive AST??

really quick question. If im in the middle of parsing code, do I eventually just make the entire program into a massive abstract syntax tree??? I think I've con...

[3 replies] Last: Can you say clearer (by williamTi)

by tammey1052

trouble with Time concersion between US time zones to UTC then converting to military time

I am attempting to take a meeting start and stop time, add an hour to the beginning and the end(autoScaling), convert those times from a user picked time zone (...

[1 reply] : while (seasonal == 's') { autoScalingStart = (autoScalingStart + ... (by Ganado)

by Nico

Connect to SQL server

Hello, I am working on a program that parses a webpage to get its input data. The page some contains information from an SQL database. Unfortunately the web...

[no replies]

by closed account yboiAqkS

Confused

Can someone help me understand this answer? Im taking an online course that has quizzes that doesn't require using cin or cout. But am having difficult time und...

[3 replies] Last: Thank you!! Makes a lot of sense now. (by closed account yboiAqkS)

by Depressed

Need help accepting ordered pair of strings

Hi, I am trying to implement a way to accept an ordered pair of strings besides accepting the integer ordered pair of strings. One of the suggestions I received...

[1 reply] : > static const int DEFAULT_VALUE = 0; Make this static const T DEFAULT... (by salem c)

by nuderobmonkey

playground as one-dimensional array

I want to find the neighbored cells of a playground, represented by a one-dimensional array. There is no border, the world is donut-formed. Is the mapping fo...

[3 replies] Last: Thank you, jonnin. That's a nice trick you provided getting rid of the... (by nuderobmonkey)

by Depressed

Help with programmer defined exception classes

My question is that I am trying to create a user defined exception class that detects when the user enters the same two values for an ordered pair for example: ...

[1 reply] : Here's a start - your default (0,0) breaks the rule. (Keep in mind the... (by againtry)

by Depressed

LNK2019 / Undefined reference ERROR.

Hi, I am trying to compile and run an OOP Project but I keep getting 7 LNK2019 Errors everything looks to be defined and linked together. I do not understand wh...

[11 replies] Last: Thank you guys a lot! Finally compiled :D (by Depressed)

by dbabo

invalid use of non-static member function

Hello, i can't figure out the error. Appreciate your advise: error: src/mqqt.cpp: In member function 'int AWS_MQQT::aws_mqqt_setup(...)': src/mqqt.cpp:37:5...

[5 replies] Last: the prototypes don't match, you can't pass it. #include <functional>... (by ne555)

by rnima

How to reverse the elements of an array using two pointers

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[7 replies] Last: Same stuff: void swap(double* p, double* q) { double temp = *p; ... (by againtry)

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General C++ Programming - August 2020