Beginners - C++ Forum - June 2010 (Page 5)

Im trying to parse user input and remove unnecessary whitespace. This is my code: void parseInput(std::string *in) { for (int i = 0; i < in->length(); i++...

[6 replies] Last: Awesome, the istringstream works;) I'm just curious, because I used an... (by fafner)

by mystar

Copy content between txt files.

Hi, I am tryin to copy content from one txt file to another. Find and replace string in this content at one time. I am getting this error, Unhandled exc...

[1 reply] : On this line: line.replace(line.find(" "),6,"RTXApp"); You pro... (by firedraco)

by Mike200

private data passed to non memebr function

Hello, Can a private variable declared in a class be visble when passed to a non member function by reference?. I've noticed the member functions are visible wh...

[2 replies] Last: This site also has a section: http://www.cplusplus.com/doc/tutorial/in... (by mcleano)

by ravpulp

Class Operators

In the first Classes (II) example of C++ tutorial, the code shows an operator being defined (lines 18-23). The example shows one Cvector parameter (Cvector par...

[4 replies] Last: I can't thank you enough for you detailed explanation. Finally unders... (by ravpulp)

by sendjy

undefined reference (again)

everything runs properly if i include "vector2.cpp" in my test script undefined reference errors occur if i include vector2.h i have no idea. #ifndef...

[4 replies] Last: Is there another way to hide the implementation then? or do i put bot... (by R0mai)

by CableGuy

App won't run on different PC (ntdll.dll)

Hi everyone, I'm playing with Visual Studio 2010 C++, and wrote a simple app based on this tutorial: http://lstigile.wordpress.com/2009/05/19/using-libmysq...

[1 reply] : Ouhc, how stupid of me :| there was no "C:\\Server\\MySQL\\share\\eng... (by CableGuy)

by ToniAz

Printing a 2-D arrat

Hello everyone! I can't seem to write a function that prints a 2-D array void print(int a , int row, int col) { int i, j; for (i = 0; i < r...

[3 replies] Last: Galik: Could you please provide me with the code, I'm not too good ... (by ToniAz)

by solomgebre

C++ code

I have a UNIPEN data and I want to read and calculate it. Can any one show me how to convert the data inside the file text to 2d matrix and to calculate the dx ...

[no replies]

by timothyguo

Initialization of const array member

Can a class contain a const array member, like class A{ public: A(); ~A(); private: const int array ; }; If so, how to initialize it?...

[3 replies] Last: Many thanks! I used static array in my code, but m4ster r0shi really... (by timothyguo)

by paulin

prompt for user input between 0 to 100

i want limiting the user input by only key in the mark between 0 to 100. this is my coding: #include <iostream> using namespace std; class Student{ publi...

[1 reply] : Use a loop while getting input from the user - prompt the user for ano... (by bluezor)

by eggmatters

Difficulties implementing a struct defined in a class

Hello, I am having difficulty attempting to implement a struct defined in a class. I've researched this problem but am still not understanding the invalidity o...

[11 replies] Last: See above: Why the type reference escapes me. The following also... (by eggmatters)

by mohamedhassan

how to read from file

hi.. now i'm trying to use openfiledialog to read from file .. first i decalre a cli::array<unsigned char> ^buffer then sent it as a parameter to openfile()-...

[no replies]

by ayush20m

reading HEX characters

I am trying to read from a HEX file. I am unable to compare a certain characters from the HEX, can anyone tell me what I am doing wrong? if (line == 0x88 &...

[3 replies] Last: You shouldn't use binary file IO and strings together. Here's an exam... (by Null)

by Zero One

Opinion on Coding Practices/Methology

Hi all, I am a beginner to C++ who would greatly appreciate a general review of the following code- ie, ways to make it more legible, better implementati...

[10 replies] Last: I'm gonna go ahead and close this thread. Thank you to all who contrib... (by Zero One)

by EEmsu

Finding a certain integer

I've been working on this one for a few days and I'm not sure if I'm even in the ball park. Find an integer N such that the sum 1 + 2 + 3 + ... + N is less than...

[3 replies] Last: I would agree with Declan. You need to check sum, not numbers. A coupl... (by Zero One)

by anushka

how to maintain a database????

i just wanted to enter details of some employees and retriving them as required.The following program doesn't have any error.But when i retrive the information...

[4 replies] Last: [quote=anushka]but i want to print only the required one. Oh, ok. Th... (by m4ster r0shi)

by cmccmc

convert a string to a double?

How do you convert a string to a double I was looking at http://www.cplusplus.com/reference/clibrary/cstdlib/atof/ but i don't really understand it. I was tryin...

[5 replies] Last: thanks for the help (by cmccmc)

by CAreLo

countdown timer on my quiz game program

just as the title says I need help putting a timer on my program and some other improvement, I just started learning C++ so I'm still not familiar with some cod...

[1 reply] : Where wold the timer be placed, waht would it be used for, and what ot... (by C to the UNIT)

by Amit Goel

increment operator

if a=0 b=(++a) + (++a) then b is coming out to be 4. can any1 explain me how??

[5 replies] Last: The parenthesis are meaningless here because the ++ operator has a hig... (by Disch)

by declan

How do I take in a keystroke, but only if there is one?

Hey guys. I know this is probably a really simple problem, but I googled it and found things, but nothing that answered this. My main chunk of my program is ...

[5 replies] Last: Here's a post that is what you want. http://www.cplusplus.com/forum... (by jsmith)

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Beginners - June 2010 (Page 5)