C / C++ Forum

Hello all! I am sorry my first post here is a question. I hope to contribute during the posting and replies on this thread. I am stuck for 1 week in a *** stack smashing detected *** bug in my C program running in a i386 desktop with Ubuntu 7.0.4. I would have pasted the code here but its approx 2000 lines. It has a dozen of functions and a...

If I have: std::map<int,intm; where I have: m.insert(std::make_pair(1,2)); how do I update the value to 7 associated with key = 1?

I have an array of char values that I need to assign to a integer variable. I tried casting it: integer = (int)charArray; but when I run it I get incorrect results in integer. What is the correct way to cast a string to an integer?

Hi I am getting this error when running a very similar code like the below, it is made for illustration only. thanks *************************************** **************** error **************** (gdb) n

Hello, my problem is quite simple to explain. I have the following string: "table+camera" and I want to remove the + sign: "tablecamera". How do i do that ?

i wrote the following program to calculate factorial: #include<stdio.h> #include<iostream.h> void main() { int i,n; long int p=1; // or long double p=1; for exponential result which I don't want. cout<<"Enter No. ";

Hi: is there a way to get current system time in milliseconds... which functions and headers?? thanks pravesh

Hi I am learning C++ and I'm still trying to get a grip of pointers and other C/C++ concepts. I would appreciate if somebody could explain what's wrong with this code: ---begin code block--- #include "stdio.h" #include "string.h" void printText(char c){

Is the construct #if defined MACRO_NAME part of standard C++? If so, how does it differ from #ifdef? Thanks!

Hi today (9th july 2006) i attended a technical interview in aspire systems. Two rounds of technical interviews. i well in the first round and did bad in the other. The interviewer asked me to write a program to print and given number in words... say for example... if the input is 12345 then the output should be printed as "twelve thousand...

Hi, I am trying to link use a library created by me, and getting the following error during linking: $: sudo gcc -c mycode.c $: sudo ar rc libmylib.a myfuncs.o $: sudo runlib libmylib.a $: gcc myfuncs.o -o mycode -L. -lmylib -lm /usr/lib/gcc/i486-linux-gnu/4.0.2/../../../../lib/crt1.o: In function

I have a simple structure defined like this struct userid { char uid; int insize; int outsize; }; typedef struct userid user;

Hello why am I getting 6 outputs instead of just 5 from this code? thanks #include <iostream> #include <string> using namespace std;

i am confused about static structure... static struct { int a; }st; what is the difference between static structure and normal structure?

can u guide me how to write this program my program should give outputas follows when i press a key on the keyboard it should return the "key is pressed" and also if the key is pressed more than 350ms it should return the "key is hold"

There are some blocks of C/C++ code put under #if 0 #end if Is there anyway to make the code inside these blocks to get executed (may be by using some command line options)?

Hi all, When i compile following piece of code, # include <stdio.h> void fun(int val) { int val; /*problem is here*/ printf("%d\n",val);

Hi there.. My name is Frank Münnich. I've got a question about pointers that refer to an array of a structure. How do I declare that type? If I have declared a structure struct mystruc { int x,y,z; char a,b,c;

My goal is to efficiently read a file into a c++ string, discarding newlines. Here is my first cut: bool MyClass::ReadFile( string strFileName ) { ifstream File( strFileName.c_str() ); if ( !File ) { return false; }

How can I cast Integer value 450 to a char array "450 "? in a c program? thanks in advance for any help.

Hi I want to pass argument to gdb but i don't know to do that. Say, my executable taking 3 argument. <myexe> <arg1> <arg2> <arg3>

Hello! Which operatiaon causes -1.#IND ? I use complex numbers. Thank you! Erich

What is the recommended way to loop over all enum values of a certain enum type? Consider the following definition: typdef enum {A=2, B, C=5, D} E; then for (E x = A; x <= D; ++x) { ... }

In my program, for reducing the complexity, the integer was stored as char, so 2 is stored as '2', which is decimal: 50 Is is possible for me to obtain the integer value of '2' in the program, i.e. I want to process '2' as int: 2, not int: 50 ? Sorry for this newbie question.

i have this part of code: typedef enum { OW_SEARCH_ROM = 0xF0, OW_MATCH_ROM = 0x55, OW_CONDITIONAL_SEARCH_ROM = 0xEC, OW_HANDLE_SELECT = 0x0F } ow_command_t;