Beginners - C++ Forum - February 2013 (Page 52)

Is this const in the function parameter redundant?

If I add a const before a function parameter, that means I will not change the parameter within the function: int get_age(const Dog& dog) { return dog.ag...

[3 replies] Last: The " const " in either context mean the same thing more or less. If ... (by closed account zb0S216C)

by johnhoffman

What's the difference between shared pointers and normal ones?

According to the docs, shared pointers allow for many objects to own another object (I think?). http://www.cplusplus.com/reference/memory/shared_ptr/ And ...

[3 replies] Last: [quote=johnhoffman]Oh.. what if I make a shared pointer that points to... (by LB)

by cooldude102

IOStream.h Error

I dont get whats happening... I have put all this in resource.h. What is wrong with my code? #include <iostream.h> #include <stdlib.h> #include <stdio.h> i...

[2 replies] Last: Thanks, but now the game doesnt work properly... (by cooldude102)

by KarateMan80

No Match for Operator >

The following is an insert sorting algorithm that is part of a larger program. I have refined this program to the point that I only get this one error. P...

[4 replies] Last: It means that the compiler doesn't understand what 'greater than' mean... (by MrHutch)

by chiedozie

Trouble with my dynamic array

I've been up all night trying to figure this out and I've gone nowhere. How do I set up and use a dynamic array? I skimmed through a billion and one websites an...

[3 replies] Last: Well, what you need to do is create a dynamic array for each element o... (by MrHutch)

by tupher

HELP PLEASE

How could this be work?? if (boo=="rat"); { SlowPrint("The Rat Tells: ", ...

[2 replies] Last: It doesn't work. if (boo=="rat"); { SlowPrint("The Rat Tells: ",... (by Chervil)

by Code Apperentice

Warnings

Why do I keep getting this warning? warning C4091: 'typedef ' : ignored on left of '__w64 unsigned int' when no variable is declared warning C4091: '' ...

[1 reply] : How is the typedef used? (by Peter87)

by alharithy

it keep give in me the same result ! (image)

hi there .. i tried to create program to calculate average of n numbers .. and when i run it , it keep give in me 0 no matter what .. the code .. #...

[3 replies] Last: glad to help.. (: (by mirec)

by patg0321

HELP! what have i done wrong?!

PLEASE PLEASE PLEASE HELP ME!!! i have no idea what i'm doing wrong. Below are the instructions for my school assignment as well as my code so far. whenever I i...

[3 replies] Last: > whenever i put in a value where the number of cans is smaller that t... (by JLBorges)

by Code Apperentice

Password program

I'm having my problems with my password program, it doesn't recognise the word for some reason //------------------------------- #include <iostream> #in...

[3 replies] Last: Thanks a bunch, really appericiate the help (by Code Apperentice)

by faele

I\O read txt file

hello , sorry for my english...In my project i have a problem .. i don't know what the problem... the exe don't read txt file... bool leggi_da_file(char* ...

[4 replies] Last: and this is set classes #include "classe_persona.cpp" #include "clas... (by faele)

by SinisterGrin

C++ simple loop question

Hi, I'm having trouble figuring out the answer to this question. The output for this Code is suppose to be. i is 5 5678 i is 9 _ I do not understan...

[3 replies] Last: Great explanations. Thanks. (by SinisterGrin)

by geharbison

What have I done wrong?

Dev c++ will not compile this. In my first set of if else statements, it says it expects a semi colon before the string literals. #include <iostre...

[10 replies] Last: else if (time2>time1) Can I suggest that you don't... (by TheIdeasMan)

by nobrainer

Retrieving object members from pointer vectors

Hey guys, I'm working on an assignment, in which I read strings from text files, and based on these strings create objects. The strings are stored in the format...

[2 replies] Last: How silly of me. The problem has been solved. Thanks for the help! Wha... (by nobrainer)

by Ch1156

Understanding the computer internally?

Ok sorry i dont need any help with code but i was thinking if i got a better understanding of whats going on inside the computer it might help me with programmi...

[2 replies] Last: I want to learn how to use C++ efficiently, especially when working wi... (by Ch1156)

by kilrothy

Help. Boolian with chars?

I am teaching myself here and I am working out of a textbook that asks me to create a program that asks for 2 numbers and then takes input of a s d or m to do s...

[3 replies] Last: Wow, I knew I wasn't 100% today, THANK YOU! I swore my compiler was ... (by kilrothy)

by Octoballa

Histogram with pointer/arrays

Wow Im rusty at this. I have to use my second function to create a histogram of test scores. #include <iostream> #include <string> using namespace st...

[1 reply] : Btw, I realized I hadn't put the function call in. I did that and stil... (by Octoballa)

by suchanoob

Returning Strings in a Function

It's been a while since I've worked with C++ and am shaky at remembering how to use arrays properly. I need to return a string from a function but for some reas...

[10 replies] Last: You can return an array as long as you know how that array's memory is... (by closed account S6k9GNh0)

by DANNY123

the problem with the class template

#include <iostream> using namespace std; template <typename T> class vector { public: vector() { first=0; second=0; } vector(T first, T se...

[2 replies] Last: #include <iostream> // using namespace std; // *** avoid template <... (by JLBorges)

by quaw

any help would be great

hey guys so I'm having this problem i don't fully understand c++ but I'm trying, so what I'm trying to do is a program that where you could calculate the x and ...

[4 replies] Last: i dogged around and finally made it work thanks for the help tho (by quaw)

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Beginners - February 2013 (Page 52)