General C++ Programming - C++ Forum - September 2013 (Page 27)

by LB

I've noticed that not many people use the long double data type. On some environments it's the same as a double, but in others it has more precision (on one I...

[6 replies] Last: It depends entirely on context. Float is typically precise enough to d... (by Duthomhas)

by Bleedz129

How to open a file .txt that the user input in ifstream

How to open a file that the user input ifstream InFile; ofstream OutFile; InFile.open("???.txt")

[3 replies] Last: Read about string and getline and then you can do it... (by Mats)

by qwerty112233

fstream, string class; inputting strings from file

#include<iostream> #include<string> #include<fstream> #include<cstdlib> using namespace std; int main() { int n=0, count=0; ifstream inFile("hey.txt"...

[1 reply] : This looks like a homework assignment, so all I will say is: #includ... (by Mats)

by adn258

Using qsort I Don't Understand?

So I understand basic pointers etc. but I don't get how you're quite supposed to read this. So in the example on this website: /* qsort example */ #inc...

[4 replies] Last: More reading http://www.cplusplus.com/faq/sequences/sequencing/sort-st... (by Duthomhas)

by Brian Schamel

Reading information off the web?

I am building a program that will read from a particular web page. I have written it so that it will parse the page correctly, but I can only do it for a downl...

[1 reply] : Are you looking for this kind of thing? How to download an http file... (by andywestken)

by evertonmorais

HELP

How to fix this error in function shellsort?? #include<iostream> #include <stdio.h> #include <string.h> using namespace std; #define PALAVRA_MAX ...

[no replies]

by Tysonw123

Need Help with basic program

I am working on this project for school, I know it's sloppy, but can use a lot of help. It closes after command is answered, how do I fix it? // // Tyson Wi...

[3 replies] Last: Thanks! (by Tysonw123)

by CalamityJane

Assigning Physical Values to Pointers in VC++

This is an old question that was never answered correctly. The problem may only apply to VC++ compiler - ??. Cannot do this: const unsigned int Port = 0x90...

[1 reply] : const unsigned int PORT = 0x900E0000; const unsigned int PORT_PTR = (... (by cire)

by LB

Boost w/ MinGW - linking problems

Those of you who know me know I am constantly running into problems with linking to other libraries. Right now though I am at the end of my strings because afte...

[5 replies] Last: Wow thanks for that JLBorges! I wish I knew about this a lot sooner... (by LB)

by ASC

Problem with double

Hello, Im trying to read a textfile. Its like this: Time / s Port1 (1)/real ----------------------------------------------------...

[no replies]

by eldon97

book for learning c++

i want learn c++ with this book : "Beginning visual C++ 2010" Ivor Horton's. this the link : http://www.amazon.com/Ivor-Hortons-Beginning-Visual-2010/dp/0470500...

[4 replies] Last: Hi, i Used Beginning C++ through game Programming, i definitely recomm... (by Uk Marine)

by mitchsoje20

display of card 2d array please help

i was reading trying to get it how to display the out put, all i got to is how to declare the arrays. kinda confuse how start it also i saw some examples have "...

[2 replies] Last: oh thank you very much, i start to get it (by mitchsoje20)

by jordanmcpeek

Finding mode in an array

I have to use numbers in my .txt file that are stored in an array. So i have to write a function to find the mode of the numbers in my array. What is a code t...

[5 replies] Last: Thanks for the help guys, I didn't figure out how to get this set up a... (by jordanmcpeek)

by peterjb62

Making exe file from Visual C++ source code

Hi, I am not a C progammer & know nothing about it so sorry if my question appears to be basic. I have a problem. I use a programming language called layout ...

[5 replies] Last: There are no files like that. There is a .cpp, a few .h, .rc, .mak, .p... (by peterjb62)

by Toshen

libusb & device info & driver

Good day programmers! There is necessity to track illegal USB devices in some network. So I started to write client-server. What I want to have on client: 1) ...

[1 reply] : up (by Toshen)

by zsteve

building a z-machine emulator / infocom interpreter

I've recently been thinking about building an emulator for this fascinating z machine http://www.gnelson.demon.co.uk/zspec/ But it's quite intimidating... co...

[no replies]

by Cambalinho

how overloading operator + for literal strings?

i have 1 nice write() function: void write() { cout <<""; } template <typename A, typename ...B> void write(A argHead, B... argTail) ...

[2 replies] Last: what i want is just use the '+'(in my write function) for concat the c... (by Cambalinho)

by closed account 3bXy6Up4

Need some help with "C-String"/Arrays

So this is my first post here so forgive me if I'm doing it wrong but essentially I have to write a loop assigning a variable x to all positions of a string var...

[5 replies] Last: Isn't the assignment just asking you to replace all the characters wit... (by Daleth)

by ovaltine99

Need help using a constructor to pass in parameters for a templated class

Fixed

[5 replies] Last: template <class DataType> void Rectangle<DataType>::setLength(const f... (by cire)

by barkscotty

assignment for my class

Hello all! i am trying to do an assignment for my c++ class and i have hit a brick wall. I am supposed to write a program where 6 test scores are entered in...

[2 replies] Last: it's all good...my instructor emailed me back and got me back on track... (by barkscotty)

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General C++ Programming - September 2013 (Page 27)