Beginners - C++ Forum - July 2011 (Page 51)

I'm looking for some assistance in understanding a pointer to a vector. Suppose I have the following: std::vector<string> string_vector; This state...

[4 replies] Last: Man, you guys are awesome. By far, the best resource I've found on th... (by thephysicsguru)

by eidge

cin.getline() "saving unused input"

Hello, I've started C++ just a week ago, and I'm having the following problem: void write_record() { int record_number; fstream database("...

[4 replies] Last: No worries problem solved now. Thank's, Hugo Ribeira (by eidge)

by acorn

what are your favorite c++ resources

I was just wondering what everyones favorite c++ resource was. The c++ FAQ from Marshall Cline seems a good one. Im not that familiar with newsgroups. The few t...

[8 replies] Last: Microsoft's MSDN documentation is really good as well. Just be careful... (by anonymous23323124)

by Phiru

How to convert *char into int??

here is a source that i am working on. class A { public : char * m_pbuff; KcFile(){m_pbuff = (char *)malloc(128);} ...... }; int main() { ...

[5 replies] Last: see http://www.cplusplus.com/articles/D9j2Nwbp/ (by hamsterman)

by toexii

Operator overloading <<, how to print vector

Hi all, I'm asked to define the operator << to print the data that is stored in two vectors of an object. This is my class: class Name_pairs{ public: ...

[2 replies] Last: One of the previous assignments was to output the vector using a membe... (by toexii)

by Nisheeth

Some Doubts

1.What is the use of this ? 2.Why is the main function of type int?

[8 replies] Last: Template are a part of the core language. No header is required to wri... (by anonymous23323124)

by Umar Dafedar

template function

what is template function and how it is overloaded .. with syntax ..please reply soon... thank you ...

[1 reply] : http://cplusplus.com/doc/tutorial/templates/ how it is overloaded D... (by anonymous23323124)

by vastrolorde

Problems atrunnign the program.

I made everything according to the instructions, but it doesent read my file. Iwe tryed to figure out whats wrong but i cant find the error. #include <iostream...

[10 replies] Last: No one?? (by vastrolorde)

by asrat

PROGRAMMING PROJECTS

Hi I purchased used book Absolute c++. At the end of each chapter there are PROGRAMMING PROJECTS for self practice. Can any one suggest from where can ...

[1 reply] : Well even if you haven't come up with the most elegant solution, you'l... (by anonymous23323124)

by stereoMatching

What is the meaning of this semantics(::new)?

template<typename T> void copy_init(T src, void* dst) { ::new(dst) T(src); //what is this line doing? } void copy_init_n(T src, void* dst, siz...

[1 reply] : It is calling the global operator new . ::new(dst) T(src); That is ... (by ne555)

by mahor1989

best book for major projects in c

which is the best book for major projects in c? By projects i mean that can strengthen my cv and whatIT companies usually make. Another question: What kind of...

[no replies]

by marklycris05

How to create a matrix using array 3 by 3.

Hi! Everyone i'm mark a student taking (I.T). I was given an assignment to create a matrix that is 3 by 3 without explaining how to do it, but instead of compla...

[9 replies] Last: http://www.cplusplus.com/forum/beginner/45960/ (by marklycris05)

by Magicalyak

Need C++ help,

I am learning C++ from an online resource. I tried to test part of there code and it isn't working. Here is the code #include "stdafx.h" #include <iostream> ...

[9 replies] Last: It's better to use cin.ignore() than cin.get() because then if they ty... (by LB)

by lcam2

Euclid's Algortithm

Using Euclid's algorithm write a program with a function that determines and returns the GCD of two integer arguments. This is what i wrote, im not sure it i...

[3 replies] Last: Well, with the first code you posted, within the if statement if ( a ... (by shacktar)

by Itu

Strange result with pow() function

Hello, I was recently making a convertor from number in base 10 to a binary number, and I ran into this problem: (EXAMPLE CODE OF THE ISOLATED ISSUE) #...

[3 replies] Last: The pow function is a template in <complex>, so you can hand it ints, ... (by closed account 3hM2Nwbp)

by Drue

System Equivilants

I can't find a topic on this, though one must exist. I was wondering if someone knew the equivilant to these system commands. System("color") System("cls...

[3 replies] Last: http://www.cplusplus.com/reference/iostream/istream/sync/ This effect... (by LB)

by Magicalyak

Need Help on a program.

Im using an online resource to learn C++. This was a program that they had for loops. I am trying to run it but it keeps failing. #include "stdafx.h" #inclu...

[3 replies] Last: cout lives in namespace std Your options are to do one of the foll... (by Moschops)

by cmaypara

Output for calculation is -1.#IND

I was wondering what -1.#IND means. At first I thought the number was just too big for the data type, double. So I changed it to long double and it still came o...

[3 replies] Last: Nevermind that last question. I just googled what INF means and its in... (by cmaypara)

by twentfiveu

cannot convert parameter 1

I am having a bit of trouble. I dont understand what the compiler is trying to say. I have conducted reaserch, and added the const to two of my functions, but...

[2 replies] Last: I figured it out. I was not using quotations for my strings. . M... (by twentfiveu)

by deeburt

Help saving contents of text file to a string

Hi, I'm having some trouble with an encryption program I'm writing. I'm trying to write a function that will read a text file of unknown length, capitalize ever...

[3 replies] Last: Got it! Just read the file char by char instead of line by line. Here'... (by deeburt)

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Beginners - July 2011 (Page 51)