General C++ Programming - C++ Forum

by Ravi Prabakaran

How to convert string to double without changing actual data

Hi,I have to convert string to double. i'm using "atof" function to achieve same. I have string a...

[5 replies] Last: No, it means you cannot always get an exact result. Andy (by andywestken)

by Gluttons

General questions for C++

I have three statements that I believe are true. Though I am not 100% certain that I am correct. Cou...

[4 replies] Last: by replicator you probably mean copy constructor, and each class has a... (by TinyTeeTree)

by naveen2525

name mangling

hello, is there any way to mangle a function defination ???can any one tell how to mangle c++ fun...

[1 reply] : Read this: https://en.wikipedia.org/wiki/Name_mangling The name mang... (by coder777)

by slaidas

Why I Cant get an output?

I wrote a program that should check if phrase is in file and output the result. File: ////////////...

[2 replies] Last: Thank You :D (by slaidas)

by reversiblean

HELP: C++ program for calculating overtime payment of an employee.

Please refer to this image: http://i42.tinypic.com/5ed0yc.png Hope you don't mind not posting the...

[11 replies] Last: Reversiblean, No problem at all. Like I said I'm making the transitio... (by closed account 2U7GNwbp)

by geeloso

Returning a datatype other than the declared function header datatype

I have designed a class called matrixType that has some overloaded operators (+, -, *, and <<); th...

[1 reply] : Is it possible for a function to return a dataType (like a string) ot... (by AbstractionAnon)

by BluRezZz

Help with SDL? No entry point?

Ill probably go find help in the SDL forums but anyways it says there is no entry point? I'm new wit...

[no replies]

by lbi11

c++ print calendar

i'm completely new at this and would appreciate all the help i can get. there's no year needed, just...

[5 replies] Last: That isn't the sample output either. (by Debjit Ghosh)

by tlrdx91

Calculating using lexical analyzer/tokenizer

How can I calculate something in postfix notation like 5 + 4 by typing in calc "5 4 *" for some prog...

[no replies]

by garretthered

program help

I have a program due for class and am completely lost on how to even start. Assignment: You are w...

[2 replies] Last: Well this assignment is made up of different section and are broken do... (by Tertius Kgatla)

by Ozwurld

Does anyone know what wrong with this code, appearantly there is an error but it will output the right answer anyway.

#include <iostream > using namespace std; float* calculatePercentage(float mark , float total) {...

[3 replies] Last: #include <iostream > using namespace std; float calculatePercentag... (by ShodanHo)

by Michael37

Assign a non-Number to a Double Variable?

I am writing a math program, using variables of type double, and had initialized all variables to 0....

[3 replies] Last: The above is standard C++. http://www.cplusplus.com/reference/limits/... (by ats15)

by kraigandrews

Converting Time string to float

I have a vector<string> of times that I want to convert to vector<double>. The time string is in the...

[3 replies] Last: Use the std::transform from algorithms: #include <iostream> #includ... (by ShodanHo)

by technovator

Removing punctuations off from a string

I'm working on a problem in which I've to design a program in which the punctuations should be remov...

[1 reply] : #include <iostream> #include <string> int main() { std::string t... (by MiiNiPaa)

by dem7w2

passing a polymorphic vectors

Okay this time I have an ACTUAL polymorphic problem. void func(std::vector< BaseClass* > A){} ...

[12 replies] Last: > If the types are implicitly convertible, you can use the constructor... (by JLBorges)

by trysomethingbetter

Need Help with map.

I have a txt file with 150 000 words and insert them to a map, thats not problem, but every time whe...

[7 replies] Last: I try with range insert and its work. Start in 2 seconds.Thank you. (by trysomethingbetter)

by Stormhawk

Typecasting

I am reading this book that has all its examples in c. So far I've been able to write it all using c...

[7 replies] Last: const char* would. But what if in next Windows version it will be cha... (by helios)

by energetix

Need Help: Function in class

Hey, I'm just started to learn that thing that calls Object-Oriented Programming. And to test myself...

[5 replies] Last: this helps too: http://www.cplusplus.com/doc/tutorial/ (by dem7w2)

by beginner123

question about a program

i want to create a program (in c++ or c#) that will play mp3 files but also display a word file with...

[5 replies] Last: Here is a simple example for the ID. This is written in c++ though. ... (by Stormhawk)

by Scipio

Applying Runge-Kutta method to circular motion

Hey People! I'm trying to approximate circular motion applying the Runge-Kutta method. I use the ...

[1 reply] : Hey people, For anyone interested: I figured it out. Problem is that ... (by Scipio)

General C++ Programming - June 2013 (Page 23)

C++

Forum