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General C++ Programming - September 2009 (Page 8)

i am trying to create stack without STL or vector.so what is to create a new stack where each element in the stack consists of pointers to a string from user. ...

[no replies]

by benestra

exercise

just help me???? i have just a problem on my exercise i need help! the instructur is tell us all BSCS that we can find problem in any books that has problem a...

[4 replies] Last: Agreed Jsmith :) (by DrChill)

by dddddfun

downloading .csv files using c++

hey all, im a college student doing some noobie research. and basically it involves a program that can download files from the internet (like given the url o...

[no replies]

by wtf

Mathematics question: determining size of key space of encryption cipher

I'm trying to figure out how many bits are the keys generated from a 3x3 or a 4x4 or a 5x5 HILL CIPHER. I know that a 5x5 matrix modulo 26 is about 114 bits. ...

[3 replies] Last: Read the part of the article on decryption. If you are choosing mod... (by Duthomhas)

by rvbman47

Bullet physics library

I have recently stubled upon Bullet Physics 2.75. I have not been able to compile any of the sample programs that come with it (at www.bulletphysics.com) with m...

[4 replies] Last: If there is a solution to this, please tell me. All of the errors are ... (by rvbman47)

by man with shell

Timing in C++

Hello--I'm looking for a little help with using graphics (such as openGL) in C++. I'm using Visual C++ express edition. I've been using the nehe.gamedev.net ...

[4 replies] Last: 60 FPS is where the game is updating at least as fast as the screen. ... (by Zaita)

by nabeel

Allocation/deallocation of variable length objects

Hi, I have a (C++) project that involves structs of a dynamic size. It's ugly, but it's part of predefined interface and I have no choice but to use it. ...

[11 replies] Last: Now that I think about it, someType has to be a POD-type. It can't be... (by jsmith)

by arcadiu

Calculator

Ok so this is my noobie calculator. This is not to show off my skills (the few that i have) but I was wondering if you could evaluate and analyse the code and t...

[13 replies] Last: There is no need to have all these variables: int subtractionOne; ... (by jsmith)

by crazymonkey83

Placing an equation in a string and solving for it

I am a bit new to C++, but I am trying to make a string variable such as string fx; fx = "2*x + 1"; I am wanting to set x to a certain value, lets say x ...

[2 replies] Last: You can see this example implementation of a calculator: http://www.re... (by Bazzy)

by wtf

How should I market my program?

Please I appreciate the advice and assistance, and if anyone knows of a good entry level computer related job that they'd be willing to fudge around a little bi...

[12 replies] Last: That theory pretty much sums up Wal-Marts success too. Full of trash,... (by wtf)

by ren

strcpy versus = operator

I have the below code snippet, a very elementary one. void main(){ char * p = (char*)malloc(sizeof(char*)*13); *p = "Hello World"; cout<<*p<<endl...

[3 replies] Last: main is supposed to return int. And also, why are you using malloc and... (by Chewbob)

by steffen

Segmentation fault

Hey, So I try to write a small thing that initializes a class which contains an array and then outputs it. However, it gives a segmentation fault on line 13. ...

[2 replies] Last: Hey, yeah, that helped. I feel so stupid. Thanks so much for pointing... (by steffen)

by markrezak

Count word,Count how many times it is used in a text

could some one help me....how to display all the words that is used and sort them from the most used to the less ......those it called word frequency or word s...

[1 reply] : Show your efforts and you'll get help http://www.cplusplus.com/forum/... (by Bazzy)

by privs

date comparison

I am using c++ 2006 by borland delphi I have two dates that i want compared , basically i want to find out how may minutes between them I am a novice when...

[1 reply] : look into boost's date time library http://www.boost.org/doc/libs/1_4... (by R0mai)

by hellis

unkown character error?

Hi, I am currently programing in Visual Studios C++ (6.0) and using Windows XP. I am programming a device called NI USB 6009 (an analog to digital convert...

[1 reply] : You can't #include a library like that. Just remove the #include of ... (by jsmith)

by elly

float long comparison

Hi, I have long int x, long int y and float f. In a case x = 380, y = 38 and f = 0.1 when i make make the comparison if(y >= x * y) cout << "true"; else ...

[6 replies] Last: @rvbman: Two things. In C++, "floating point" constants such as 0.... (by jsmith)

by ajitm

how to call stored procedure in c++ using odbc

hi i am using odbc and i want to call stored procedure in sql server using odbc so what are the steps i have to fallow to call the stored procedure thanks in ...

[2 replies] Last: hi i am using odbc and c++ to call sp_rename procedure in sql server... (by ajitm)

by Geinbits

E_NOTIMPL error with IActiveDesktop

I'm trying to write a program that will save the positions of all my icons on my desktop so that if they get jumbled up, I don't have to spend five minutes putt...

[3 replies] Last: I needed to do it as I plugged the code into an old project that I use... (by kbw)

by DBarzo

Strange operator overloading

Hi, I've a class that defines this: operator bool () const { return (p != NULL) ; } where p is a pointer to an object. Which operator is overloaded ...

[4 replies] Last: Simple, doesn't it? :-P Thanks helios! Daniele. (by DBarzo)

by CATCH3624

Using Struct

Who can help.....my program won't run at all...I tried everything possible...what am I missing... #include <iostream> #include <fstream> #include <string> ...

[5 replies] Last: Your program is written to read from a file, "cars.dat", and write to ... (by dfarmer)

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