C++

Forum

Beginners - December 2014 (Page 36)

im having a problem with getting my snake a vector on line 71 it said the no 'operator=' im trying to make it a vector so i can make it so the snake to grow...

[no replies]

by Sarah409

calling function to read in array from a file

I am a bit confused on what the code for reading in an array from a file is. I keep getting error messages. Can anyone help by giving examples on the proper way...

[5 replies] Last: You are passing "n" by value, so "n" in main won't get changed. Try th... (by JayhawkZombie)

by thinker85

Need help!! why am i getting uninitialized local variable?

#include <iostream> #include <string> using namespace std; double mean (int grades , int userSize); int main () { const int size = 100; ...

[13 replies] Last: Well I found out why, I had copied a loop I made for an arbitrary ques... (by thinker85)

by brandona15

Error- request for member ' ' in ' ' which is of non-class type ' '

I keep getting the error "error: request for member 'firstname' in 'object2', which is of non-class type 'employee()'" I have searched other forums and i...

[6 replies] Last: Okay yeah that makes sense. the prompt I was given only included the "... (by brandona15)

by Endymion

question about pointers

I have to answer some questions that does not require me to write a program. I have some of it done, but I am not sure if it is correct and other parts have me ...

[2 replies] Last: Thanks for clearing up my answers and the hints for the next questions... (by Endymion)

by lollipoppop

How to add columns

How do I go about adding columns into this code that solely has rows included? Should be 4 rows and 4 columns. void gridSize(int rows, int col) { ...

[2 replies] Last: It's certainly closer to what I need than what I've got right now! Tha... (by lollipoppop)

by justinc978

Function Help (1,2)

So i posted a previous thread about mapping, I got that down. This is the background to my assignment: The rules of ESP are: There is a deck of 18 cards tha...

[28 replies] Last: By the way, passing i was the correct way right? Lol just want to doub... (by justinc978)

by Korcha

A little help debugging my sin(x) approximation

So I have written a Maclaurin series approx. for sin(x) and it works for values really close to 0 but for pi it outputs 0.787619 which is no where near sin(pi)...

[3 replies] Last: [(-1)^n/(2n + 1)!] * (x)^(2n+1) Maybe double check your parenthesis i... (by JayhawkZombie)

by metulburr

how to link GD library

OS Ubuntu 14.04 I am trying to run a basic C program using the GD library. The include line is #include <gd.h> I installed the tarball from https://bitbuck...

[1 reply] : nevermind forgot to link the name -lgd (by metulburr)

by rayna

Help with counting the number of characters in a file

I have this code that tells you the numbers of words in a file, number of lines, and each letter and how many times it was used. but I also need to know the num...

[2 replies] Last: where should i put that (by rayna)

by DyslexicChciken

Including implementation in header file

I am not entirely understanding the format of a header file. Why we need to include the implementation file at the end of a header file, and what does the chara...

[2 replies] Last: Don't need to include the implementation file at the bottom unless you... (by JayhawkZombie)

by rustyrustyrusty

How to parse this data in c++?

Hello, I am doing a project where the user inputs the name of a file, (the format of the data for the file will always be the same), my instructor makes sure t...

[5 replies] Last: Okay I am going to use a debugger and see if i can figure out what is ... (by rustyrustyrusty)

by SomeAmazingGuy

Does a pure virtual function (that is defined in a derived class) have access to the private members of the base class?

I thought pure virtual functions have complete access to the private members of the base class, since the prototype of the function is declared in the base clas...

[3 replies] Last: Having a pure virtual method just means that the derived class MUST pr... (by JayhawkZombie)

by closed account 3R5fjE8b

How can I accept both int and char input?

I have a program where the user utilizes both char and int input at anytime. Is there a way to let the user input either of these, then act appropriately depend...

[8 replies] Last: Without templating, I'm unsure of any way to return an arbitrary type.... (by JayhawkZombie)

by rayna

Help with counting the number of characters in a file and the percentages of the numbers used

I have this code that tells you the numbers of words in a file, number of lines, and each letter and how many times it was used. but I also need to know the per...

[3 replies] Last: how do i find the total number of characters? The same way you find a... (by MiiNiPaa)

by lollipoppop

Memory Concentration Game Issues

I'm attempting to create a 4x4, 6x6 and 8x8 grid for my concentration game, but whenever the game compiles and runs it closes after making the initial selection...

[3 replies] Last: OK it's starting to look better, but now I have two new questions. 1)... (by lollipoppop)

by Z feng

Need help on this Quick Sort function

Hello all, I know there are tons of quickSort algorithm out there already, however, I tried couple of them, none of them gave me the correct result and I couldn...

[5 replies] Last: Yes, you can. (by MiiNiPaa)

by gomez268

inheritance

Hey hoping you guys can give me a push in the right direction. I can enter information up til position, after that the s system stops working cause of error. Ha...

[3 replies] Last: Check other functions, say, in name class (by MiiNiPaa)

by freecody24

SDL snake game I could use some help?

im having a hard time trying to find out how to make the snake grow after it eats the food? i will like any help thank you int main(int argc, char** argv) ...

[no replies]

by DEnumber50

Unable to match functions definition (1,2)

I have two errors that I am not sure how to fix, please let me know what I need to fix. Here are the errors: Error 1 error C2244: 'myVector<T>::at' : unable t...

[26 replies] Last: Welcome XD. (by closed account SECMoG1T)

December 2014 Pages: 1... 34 353637 38... 55

Archived months: [nov2014] [jan2015]

This is an archived page. To post a new message, go to the current page.