General C++ Programming - C++ Forum

Hey Guys, i hope i am getting help now in a international Forum. I am not really a C++ coder. But I need a script (a code) for a project. First at all: sorr...

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by pinky4free

Why doesn't this work in Windows Form Applications?

void toLowerCaseSTD(String^ &str) { transform(str.begin(), str.end(), str.begin(), tolower); } The error is this Error 2 error C2228: left of '.en...

[12 replies] Last: @naraku9333 I need it to be a "const char*" which that does not conve... (by naraku9333)

by moneysab

Urgent help

i am having difficulties doing this program. i dont know how to search for the value 80. #include <cstdlib> #include <ctime> #include <iostream> ...

[1 reply] : [quote=moneysab]also the programs outputs only 41 random integers. [qu... (by LB)

by cppUser77

adjucent_find

the deleted my query as there was a mistake in my code.

[1 reply] : the deleted my query as there was a mistake in the code. (by cppUser77)

by nbonzani

Program stops mid-way.

I'm doing an assignment for a C++ class, and I can't seem to figure out why my program keeps hiccoughing in the middle of running. The program runs fine when I ...

[7 replies] Last: Look at the order and use of your parameters. You pass (string, copy) ... (by LB)

by jjroyale

Linked List Code

I'm having trouble with this code: #include <iostream> #include <cstdlib> using namespace std; #ifndef Null #define Null 0 #endif class Node ...

[2 replies] Last: http://ideone.com/N3EXgI[quote=gcc]In function `main': prog.cpp:(.text... (by LB)

by knowNothing

Use Object in Header File Field

Hello all, I need to use an instance of an object in a header file. The object requires a lot of pre-computation to be created. I want to assign it to...

[14 replies] Last: Thank you. You have been of great help. I will follow your advice; how... (by knowNothing)

by spelly

expected ")" before "*" token.

Hello, i`ve been trying to solve the following problems for ages. I really hope someone can help me. Really grateful for all help! I got the following err...

[9 replies] Last: Ok, i am sick of this code and i give up. If anybody care to fix the p... (by spelly)

by closed account N0jhb7Xj

please help me with this problem!

thanks all for reading up until this point. im a total noob and stuck on this problem (Program) a. Write a C++ program to convert meters to feet. The prog...

[4 replies] Last: where would i place 'cin >> meter;' At the point in the code where ... (by MikeyBoy)

by venkatacplpl

finding if string has unique characters

bool isUnique(string _str) { bool char_set ; int len = _str.length(); memset(char_set, '\0', 256); for(int i = 0; i < len...

[8 replies] Last: everyone....thanks for replying. (by venkatacplpl)

by IndieExe

Why doesn't this work?

//Why can i do this to de-allocate from the heap, char * p = new char ; void *i = p; delete (char*)i; //but not this? //Can you explain? char...

[2 replies] Last: Is it a typo? Yes, and not it works. Thank you. char * p = new c... (by IndieExe)

by baketballcourt

Void Functions

Write the function void readTest(double & exam, double & tavge) the does the following: a) print the prompt "enter exam score:" than read the exam score b) pr...

[10 replies] Last: [quote=baketballcourt]isnt a void function when you do: void computeAr... (by LB)

by anurag117

operator << used in for loop and if statement

hello, i came across some c++ codes using following statements : for(int i=0;i<(1<<n);i++){ some statements ..............} and if(n&(1<<i)){ state...

[5 replies] Last: @cire : Ok, you're right with the meaning of ^ in C++. But I've defin... (by tcs)

by Tresky

Pointer Question

Here is a sample code of an example of pointers. Does it present a problem to free the same piece of memory twice? In this code, the address pointed to by p obt...

[3 replies] Last: Awesome! Thank you very much. Very helpful answers. :) (by Tresky)

by venkatacplpl

resizing an array

int size = 10; int* arr = new int ; void resize() { int* resize_arr = new int[size + 1]; for(int i = 0; i < size; i++) resize_arr = arr ;...

[7 replies] Last: Now that will work. (by zoran404)

by Medino

If statement multiplication by zero problem.

I have a minor problem. I want to set an integer to zero when it easy equal to another integer, but it seems that the program for some reason won't set the int...

[2 replies] Last: Thanks for the help. But I could swear that I've already tried those t... (by Medino)

by jjroyale

Queue Template Help / General Questions

I'm working on a queue template, here it is below: //CLASS DEFINITION SHOULD BE HERE... template <class T> //Template constructor Queue<T> :: ~ Queue() //pas...

[5 replies] Last: Can you elaborate....Sorry a bit confused. About which part? The n... (by cire)

by Anshh

Can i edit the text file without writing the content of whole file again.

Can i edit records stored in file without rewriting whole file again .?

[1 reply] : This depends on the filsystem you are using. The most common filesyste... (by tcs)

by DJLad16

Should I learn a scripting language?

When I've or heard people talk about their games occasionally I would here about how the scripted so and so for this to work etc. I'm not even sure what scripti...

[2 replies] Last: If you play WoW, I believe all the addons in that are written in Lua. (by ResidentBiscuit)

by tharindu11

want write these programmes

Write a complete C/C++ program for the following tasks i. Create two arrays named intArray and squareArray with a user defined size. ii. The intArray s...

[1 reply] : From http://www.cplusplus.com/forum/beginner/1/: Don't post homewor... (by tcs)

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General C++ Programming - March 2013 (Page 5)