General C++ Programming - C++ Forum

by stav

Multiple variable names?

Hi i have a Time class that calculates a deltaTime and i thought it would be neat to make it so ...

[3 replies] Last: While we're at it, why not just use the <chrono> facilities? They do a... (by Duthomhas)

by Thelps

Convert char from filestream to lowercase..?

Hi all, Please read before posting: I'm taking data from a ifstream filestream (that's reading f...

[1 reply] : tolower(currentChar); That doesn't change currentChar. It's a funct... (by Repeater)

by slei

multi line macro in multiline macro

hey is it possible to have multiline macros in muliline macros? not sure how to do this, if anyone c...

[3 replies] Last: oh man, i didn't even notice I'm trying to use a loop outside of a fun... (by slei)

by CalebS

I/O records seperated by {}

New to file I/O and c++ in general, would greatly appreciate any help or if someone can point me in ...

[2 replies] Last: #include <iostream> #include <fstream> #include <string> #include <ve... (by lastchance)

by elevatedsounds

Keypad State Machine

I'm working on a state machine which displays the letters A, B, and C in that order. If at any point...

[no replies]

by Chilli Mustard

division in C++

Hello friends, I have a small question. why does cout << 11 % 3 << '\n'; gives 2 as an output? ...

[5 replies] Last: Remember, floating-point constants are type double by default. In List... (by sm2345110)

by chunfeng

c++ function return

#include<iostream> using namespace std; class test{ public: test(); ~test(); in...

[1 reply] : why would it be? you don't set anything to null anywhere. temp is ... (by jonnin)

by AlexCantor

C++ Posts by a forum member

Is there a way to see list of all threads that have a post by a given forum member. For example, ...

[1 reply] : Perhaps a more experienced user knows, but I don't think that's availa... (by Ganado)

by blaq

Dynamic Array of Classes w/ defaults

Hi, I made an class that requires passing 2 variables by default: class TestClass { public: T...

[1 reply] : Are you sure about the "need"? If you would not need "dynamic array",... (by keskiverto)

by captainsasss

Generating random number input (to be used 6 times)

I am creating a random guessing game in which I need to generate an input 6 times. I know how to gen...

[2 replies] Last: Basically a a random number is generated and the user inputs a guess. ... (by captainsasss)

by Mk87

How to implement 3 digit binary numbers into 2D vector in C++?

I want to write a C++ code contain all 3bits binary numbers into a 2D vector like the following matr...

[4 replies] Last: Well, you will have a vector< vector<int> > if you change line 6 of my... (by lastchance)

by matiasp1998

I NEED HELP ASAP!!!

ok guys, im trying to code a grade calculator for my programming class and my if/else if block is sc...

[5 replies] Last: nvm, got it (by matiasp1998)

by jimothy87

Why am I receiving the following error code: "undefined reference to 'displayMonthlyReport (MonthlyBudget const&)'

/* Program Description: Asks for monthly living expenses. Calculates and displays the difference...

[2 replies] Last: THANK YOU (by jimothy87)

by raptorjesus

Need help opening a file from user input.

I get an error that says, "no matching function." On the line with the file.open() function. #incl...

[2 replies] Last: I am using c++11 and i still get that error message for some reason. ... (by raptorjesus)

by stav

sfml texture shared_ptr error

Hi Im using sfml and im trying to load a texture Ive made a map of strings and textures, m_tex...

[6 replies] Last: If the MyAssetManager object is static/global are you sure that it has... (by Peter87)

by dbag

Coordinates Reprojection with GDAL

So I am trying to re-project a coordinate from WGS 84 / UTM zone 33N (Meters) to WGS 84 (DD). I have...

[2 replies] Last: Your right it does appear to be returning a null pointer (by dbag)

by LTJska82

Pulling data from a text

I'm new to C++ and I'm having issues pulling data from a .txt file. What I have is a .txt with multi...

[1 reply] : Your code will look something like this: ifstream infile(filename); ... (by jonnin)

by Colin Peeris

Compiling .cpp files separately

Hi. I would like to use a C++ library to deal with sparse matrices. One library that I came acros...

[1 reply] : VS2015 has some kind of solution explorer, I think. If you right click... (by Repeater)

by offset221

C++

Coding for a rock paper scissors game Function > bool isMoveGood(char move); My Response > v...

[7 replies] Last: there isnt even any code past a cin and cout statement if you make a 2... (by jonnin)

by YikUTM

How do get enemies to run around the maze game

I managed to write a maze game but I wished to add enemies to run around. Can somebody tell me how t...

[1 reply] : what do you want them to do? you can plop them down somewhere and ev... (by jonnin)

General C++ Programming - January 2018

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