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Beginners - December 2014 (Page 4)

hi i created this programm, but now i need to divide it by functions, one for creation of points, an other for center of mass, an other for rotation and an othe...

[4 replies] Last: redefinition of formal parameter 'arrY' You have (correctly) defined... (by mutexe)

by darkmage06

Login system

How do you make a login system on stdio.h. I am using c by the way. char username ; char password ; printf("Enter Username: "); scanf("%99s", &username); if ...

[14 replies] Last: Except that it doesn't look like C at all, especially the first two li... (by S G H)

by TheSherlockHomie

Unexpected output with code to finding the largest prime factor of a large number

Hello All. I was trying to find out the highest prime factor of a very large number(600851475143). I wrote the code as follows: #include <cstdlib> #incl...

[11 replies] Last: but it is not running It should run as it is essentually your code wi... (by MiiNiPaa)

by PrinceT

Is this setup ok?

Hi, My classes are going to be started for C++, I'm already good with C language & I'm going to have a new laptop that I intend to use for programming only. Is...

[4 replies] Last: Thank you so much Sir, really helpful :) (by PrinceT)

by kong288

Getting an error when checking if a key exists in a map

sf::Texture* TextureManager::GetTexture(std::string name) { if (!textures.count ) std::cout << "Could not get texture [" << name << "]." << std::endl; ...

[9 replies] Last: Solution with find is faster and more readable. With a multimap it ... (by dhayden)

by closed account E3h7X9L8

Hey there are my first 2 games and i want to implement graphics and audio in them

Here is the link with the games http://www.filedropper.com/games_1 I'm new to c++ and I want to know how can I implement graphics and audio to my games.

[1 reply] : http://www.sfml-dev.org/ (by MiiNiPaa)

by Jun77

reading and writing a link list from file

i am trying to make a simple project . which can read and write a data in form of linklist form file. i searched alot but i dont make any sense, i need algor...

[2 replies] Last: tnx dear andy (by Jun77)

by Althalus

How to turn a txt file into a string

I'm trying to turn a txt file into a string so far I have got the program to write words into a txt (one per line) and am trying to get it to bring them back i...

[4 replies] Last: Thanks the second worked the best (by Althalus)

by LeInno1

Whats wrong with my calculator?

it's not printing the answer of the sum towards the end. Instead it says process returned 0 (it doesn't print the sum of the numbers). Please help! #include ...

[5 replies] Last: http://www.cplusplus.com/forum/articles/7312/ (by Zhuge)

by KingRaider

Finding new memory address?

(I tested the address because I was getting errors and I found out the address changed before it was deleted, by the time the delete is called the titlePTR has ...

[1 reply] : duplicated http://www.cplusplus.com/forum/general/152080/ (by ne555)

by int man

Get boot Time

Hi, trying to get boot time programmatically Example: http://i59.tinypic.com/kdr3nd.jpg

[3 replies] Last: are there another Function? Why? All you need is a little math. S... (by AbstractionAnon)

by bchinfosieeuw

About spaces and commas

I have the following code, but I have got the feeling that the line beginning with 'numofspaces +=' does not work as it should be. It should add the number of s...

[no replies]

by Anthony Forwood

Scrollable list in C++

I'm trying to create a scrollable list (array of strings) set in a window. I have four variables that are used to determine the placement of the viewable elemen...

[1 reply] : I should have added that I'm using Borland C++ v3.0 in a DOS box. (by Anthony Forwood)

by cjbostick

Help me with r

How do I generate a vector n with the small letters from a to j (in random order)?

[1 reply] : This might be useful. http://www.cplusplus.com/reference/algorithm/sh... (by Callum5042)

by sakonpure6

Can my computer process 60,000 If statements?

Hello, in a part of my code, I am checking the length of strings. There are about 60,000 strings to be checked. If I change the number of strings to be checked ...

[4 replies] Last: Thank you guys, more precisely, thank you m4ster r0shi! Your code work... (by sakonpure6)

by sakonpure6

How to store string into 2D Array in C

Hello! I am trying to store words in a .txt file into a 2D array of type char. What am I doing wrong? Because whenever I run the program, my main debug sequ...

[2 replies] Last: Thank you , I solved the problem! (by sakonpure6)

by nbro

Assigning to a const char* a char*

What exactly happens when I assign a char* to a const char* ? For example, suppose I have first allocated a char pointer with the following snippet of code:...

[3 replies] Last: A pointer is a variable that holds a memory address as its value. ... (by keskiverto)

by EdJones33

need better instruction book

After reading only two chapters of the 2013 edition of _C++ Primer_ I have absolutely had it with that book. It's laid out like a dense reference manual for exp...

[4 replies] Last: Lazy Foo only teaches SDL and OpenGL. (by Avilius)

by Doctor Ducky

fatal error LNK1120: 1 unresolved externals

So I am constructing my final for my C++ class, and I am cruising along, but then I get this weird error message that I have no idea what it means. 1>----...

[5 replies] Last: http://stackoverflow.com/questions/11247699/lnk2019-unresolved-extern... (by closed account SECMoG1T)

by deathslice

Checking if there is a space after the first integer

A programming task that I'm doing says as one of the steps that the user has to input two numbers with a space after the first number. Here is a link to the tas...

[6 replies] Last: Alright, I've updated it (by deathslice)

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