C++

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Beginners - June 2018 (Page 2)

When the user enters a number of iterations I want to generate that many random numbers between 0-40 and store them into an array. I have the random numbers ...

[2 replies] Last: I actually managed to figure everything out because of this. Thank yo... (by passiontrip)

by teodor0xcb

Passing same type object by reference?

Why is Constructor 2 invoked in CAT func(CAT someCat) ? (After my knowledge) I am not passing any reference to CAT constructor within that function, so the n...

[10 replies] Last: In some ways this is like the Miranda law. My paraphrasing: You hav... (by icy1)

by programmy

need help with unfamiliar syntax syntax

so I've been reading SFML blueprints and I've come across a syntax unfamiliar to me, I understand that the struct is inheriting something but there's that arr...

[5 replies] Last: Curiouser and curiouser! Thanks guys. (by tpb)

by mycuser

Adding a new empty .cpp file to a code base

The compiled exec gets a new 30 odd k boost in size. I've enabled all newbie debugging code ans gcc ( ubuntu 5.5.0 )has me on a leash Just adding the empty mod...

[11 replies] Last: I think I've seen somewhere ... found: https://www.centos.org/forums/v... (by keskiverto)

by Andreiz112dn

My game made by boredom

What about my mini-game has a lot of potential if you ask i built it in 10-15 minutes , i really had fun doing it #include <iostream> using namespace std;...

[5 replies] Last: case 'b' is not correctly entered after 'a' has already been previousl... (by Ganado)

by ATh

Rookie

Need suggestions. Recently, i completed reading and practicing C++ programming book thoroughly(all chapters 1- 20) of Tonny Gaddis 6th Edition on VS 201...

[1 reply] : If you still consider yourself a beginner, then don't get a job with c... (by Manga)

by CGunn86

SDL2 timers

Not sure if this belongs in this forum, I apologize if it doesn't. I'm working with SDL2 and have made some pretty good ground. I'm stuck trying to draw some...

[5 replies] Last: If you decide to use SDL_AddTimer just be aware that the callback func... (by Peter87)

by jcarbo

simple g++ makefile on Windows.

HI folks, I'm trying to figure out why my makefile doesn't work. I'm using GNU on Windows 7. The error I get is Makefile:8: *** missing separator. Stop....

[1 reply] : Recipe lines must start with a tab. You're missing the initial tab on ... (by tpb)

by mnai

If this isn't a nested function then what is it?

So i know in c++ you cannot right nested functions. But in this code ive been following GetGuess() is called in PlayGame() then i call PlayGame() in main and it...

[1 reply] : Correct. A function can even call itself. That is recursion. Note: ... (by keskiverto)

by youcouldno

Calling a function that was stored in an array

I have stored the name of some functions in an array, but now I need to use those functions. When the user chooses a function to access, how can I use the funct...

[6 replies] Last: Similar idea of same-signature method map, but feels like cleaner synt... (by icy1)

by User55009

Issue with user input

All variables are declared properly. For the input for the webpage name, I cannot enter anything with spaces. I've tried putting it into a character array and...

[3 replies] Last: For some reason, when I try what mbozzi said, it skips over the line. ... (by User55009)

by gambette

accessing a object array

Hi everyone, part of my assignment requires me to 'unfriend' my overload << >> operator and use set/get to access private variables. I've successfully converted...

[4 replies] Last: at these point everything seems to be alright to me (please point out... (by icy1)

by bkara

how to open file from user inputted directory location (1,2)

Hello I have posted this question before but I didn't get much help(i think the person got confused with what I was asking for), I would like to write a progra...

[30 replies] Last: My pleasure! (by H00G0)

by BrettD565

2D/3D point Distance to origin Problem

Hello, I am trying to write a program that calls methods from a base class 2D point and uses these methods in a derived 3D point class. I believe I have all of ...

[8 replies] Last: Or something like: template <size_t N> class Point { double data {... (by keskiverto)

by Trezkez

c - square roots with arrays

I know it's dumb of me to ask, but how do I make a program that calculates the square of the elements of an array of 10 numbers?

[8 replies] Last: Then just do square root (raíz cuadrada), sqrt(). Your variable name ... (by Ganado)

by ysf007

How to create many binary file within a loop ?

This code was written, which take a directory then look for the files inside. it aims to create binary files for each file found by taking it filename. I want t...

[6 replies] Last: The task is to loop through files like images in the dir the names ch... (by mbozzi)

by JayGln

convert struct to class

Good afternoon, I'm trying to switch this code from a struct to a class to get some practice in, I have hit a road block and unclear of what i'm trying to do...

[9 replies] Last: less Java and more C++ and you'll be fine ;D (by icy1)

by akarbarz

how to use sscanf_s

In the code below you will see I am trying to run a sscanf_s to extract data from a string line. I am not sure why it is not working any help appreciated. It is...

[7 replies] Last: THANK YOU:) since i needed the trailing commas I just added another ... (by akarbarz)

by gdz98

the use of string methods (1,2)

hi guy I m doin some exercises from the "jumping into C++" bool and this chapter is about strings. the problem I m trying to solve asks me to make a program whi...

[21 replies] Last: ok guys the the biggest issue was my 18th line of code... once put "i=... (by gdz98)

by martskins

OSX: Can't compile anymore

For some reason I am now unable to compile even a simple hello world, in my mac, using g++ (or clang++ or anything fwiw). The last thing I recall I did was i...

[2 replies] Last: Um... do you understand what the problem was? Do you understand why w... (by MikeyBoy)

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