Beginners - C++ Forum - April 2011 (Page 49)

by Nuc

Repeat do while loop if there is an character

#include <iostream> #include <conio.h> int nx ;void main() { std::cout << "hi\n"; std::cout << "somerandomrpogramk"; do { std::cout << "Type 5: "...

[6 replies] Last: void main is non-standard, C++ requires int main. As The DooD said, ... (by Bazzy)

by asdf

Files

Hi people, My problem is the following: I would like to create N (let's say N=50) files with the same name but a number, that is to say: file1.txt, file2.txt...

[8 replies] Last: Thanks very very much! now it works correctly. thanks again! (by asdf)

by rassilon256

ifstream error: "invalid use of member (did you forget the `&' ?)"

I'm trying to write a program which uses classes to complete a range of operations on data from a file. As if the classes aren't causing enough trouble, I can't...

[2 replies] Last: Thanks, that's genuinely embarrassing. I put the '=' in when it wasn't... (by rassilon256)

by hitmanben2

Problem with string function

Hi I am trying to create a function that append one function to the other like if i have this: String1 ="12345" String2 ="67890" the function will return thi...

[11 replies] Last: Athar: thanks man for the information. Than the code at that part s... (by hitmanben2)

by tukadala

graph

please i am using DEV-C++ and i have a project that require a graph to be draw. i tried with WINBGIM, but it didn't work. if know a good library that works w...

[3 replies] Last: i also tried, GNUplot and SDL ,but i need a guide of installation for ... (by tukadala)

by barrex

Loading array with ints from file

This function is causing my program to crash. No compile errors though. I'm trying to load integers from a file into an array, then count the times those int...

[3 replies] Last: Nice thanks, didn't think to use switch. It's still crashing though. H... (by barrex)

by michy

long long long double

hi there, question about long long long double... >< if i has an equation: x = y / z which will result x = 0.121212123434645712323543464523423534645.... ...

[1 reply] : What is a long long long double ans where can I get one? (by naraku9333)

by closed account DS1Rko23

Vectors of Objects and Possible Memory Allocation Error

I've been working on a large project and have been running into a runtime error. I'm using Codeblocks portable 8.02 on Windows 7 with the GNU GCC compiler. I'm ...

[9 replies] Last: Just as an aside, trailken, if you don't understand pointers, you shou... (by ciphermagi)

by mainframe639

Set Color Explanation

Can you explain this code: void setcolor(unsigned short color) { HANDLE hcon = GetStdH...

[2 replies] Last: Right, it belongs to Windows programming. Sorry for the wrong category... (by mainframe639)

by Gladdok

multimap<>::equal_range problem

I'm trying to use the method shown here: http://www.cplusplus.com/reference/stl/multimap/equal_range/ to find and remove a particular key,value pair. how...

[4 replies] Last: Thanks hamsterman my next guess would have been that. In my example w... (by Gladdok)

by ty98

choice command

I need to know how to use the choice command. Do you have eny ideas???

[4 replies] Last: char choice; got it!!! (by ty98)

by ty98

dll files!!!!!!!!!!

Ineed to know how to make a dll file have icons. and othor things. like a include command. do you have eny ideas?

[2 replies] Last: I've got it down now. (by ty98)

by binhminhle

Extract data from a file

Hi, I need help creating a function that extract data from a file for a collection. Here is the decleration of the function: /** * Extracts data from a fil...

[no replies]

by binhminhle

Extracting data from a file

Hi, I am doing a project for school and I am stuck at coming up with a function definition for the program. Here is the decleration of the function that have be...

[1 reply] : int /*should be a member of the class*/putDataInCourses(/* the variab... (by matsom)

by Programmer3

fstream will not work properly?

Hi! Please help me. I am trying to write a program for school. I have been working on it for a while now. I am trying to use the fstream library to create a fil...

[14 replies] Last: Thanks! Before I saw your last post Matsom, however, I tried to re-o... (by Programmer3)

by gobblewobble123

Efficiency?

So, I created a "conversation" program in which the user inputs something like, "hi" and the program responds. The way I analyzed the in put was: string ...

[2 replies] Last: Ok, thanks! (by gobblewobble123)

by edenflux

Search & Extract from File

Hello, First time poster; Ive come here often for help, but couldn't find anything on this topic: For work I have to do some painstaking copy pasting to con...

[17 replies] Last: Well I have wrapped this project up, thanks to you all! On an unrelat... (by edenflux)

by snowboarder7

Console closing to soon.

After I press enter after it says enter second number and I do it automatically closes even though I have system("pause"); and im running windows vista 32-bit. ...

[6 replies] Last: @ty98: The point of the (almost illegible without brackets) pr... (by ciphermagi)

by Richard101

Question ??

Has there been any new feature with C++? Like new syntax, and stuff like that? I am Basic with this; So any help will be much appreciated

[2 replies] Last: Thanks (by Richard101)

by MadRedCzech

Formatting output to table

Thanks in advance. How would I present the output of 2 variables (double) as a fixed width, 2-column table? As well, the right most column has decimal point...

[no replies]

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Beginners - April 2011 (Page 49)