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That worked totally fine! :b:

Thank you!

Hello All,

I am having an issue of putting a Boolean value in the maps as the 3rd parameter. Something like the following :

int value;
std::map<String str, int x, bool bl>

where...

@Corona688

Thank you ....even when I added bracket so that it dereferences properly ...got perfect answer!!!!!!
Thanks ton :)

---------- Post updated at 11:38 AM ---------- Previous update...

@Corona688

If I typecast constant string "name" to (char*)"name"....it gives me "Segmentation Fault"!!!!

Giving same warning even if I change to total C++ style or vice versa!

Hello All,

I am having this issue...where I am actually having hard time understanding the problem:

The code is as follows:


#include<iostream.h>

void fxn(char*** var)
{
int i...

Hello all,

I have a confusion with calloc function :

wz. the difference between the following 2 statemnts:


char *ptr;

char = (char*)calloc(num, sizeof(char));

char =...

Actually ...wt. I had to check was that if the char pointer has a string initialized or it is not yet initialized.

But I am checking it by doing (strcmp(arr, "")== 0) instead of (arr== NULL),...

Hello All,

I have this question that how to check for an array for NULL?


For eg.

#include<iostream.h>
using namespace std;

int main()
{
char arr[10];
if(arr ==...

Hello All,

I have a question ....which I am totally confused about!

If I have a fxn foo in a program which returns a logical value. But it has a posssiblity to throw some exception.

Now...

Hello All,

I have a question in the following sample code:

If I am passing a reference of a variable, will the dynamic allocation happen in which it is passed?

Will the dynamic...

gotcha: //only if I'm right this time!

ClassA{};

ClassA *point;
*point = 0;

ClassA *point = new ClassA();

I get what you guys are saying;

point = 0;

//intializing the pointer a NULL value...means pointing to nthing!

point = new ClassA();

//intializing the pointer value of the object of...

I thought they are same in the sense that :

point = 0; //intializes the pointer to zero value and

point = new ClassA(); //intializes the pointer sm memory bt. not any value means zero value

Hello everyone,

I have a question, that are the following ways of pointer intialization same ?

ClassA *point;

point = 0;

point = new ClassA;



Thanks a load in advance!!
...

Hello everyone,

I have this code which prints the address of the object of a class....bt. what if I want to print the address of the class?

#include <iostream.h>

class har{
};

int...

@Corona688:not sure how to copy the executables to the robot.....bt. tried fprintf and definitely it's lotttt better than printf.

Thank you so much, it helped a lott!!!!!

@Corona688:

I tried to install gdb on my robot but it has total of 12 MB hard drive whereas, gdb needs atleast 15MB.

So it is giving me "not enough space" error. So i guess would need to debug...

@Corona688:

I tried to run gdb both on my machine and on the robot.

ON my machine it is giving me the problem, I just talked about and on the robot it is saying the following:

-sh: gdb: not...

Thank you Jim for replying.

I am running the gdb debugger as u said, but the gdb says the following:

gdb>
Starting program:
No executable file specified.

(I make a Makefile in which it...

Hello,

I am having problem with debugging my code. I am writing a C code and then I compile it with the Makefile. I make a target file and then copy it in my Robot(Khepera III) and then run the...

Hello,

I have a question. I have to implement a shortest path algorithm in n*n grid, moving from one coordinate to another coordinate.

But i have no clue how to start. Can anyone help?
...

Thanks a lotttt...it works wonders :):b:

Hi,

I am having this segmentation fault not in the following program, bt. in my lab program . My lab program is horrible long so cannot post it here bt. I am using the following logic in my...

// Hello all,
I am having this error "Dereferencing pointer to incomplete type " on these 2 lines:
xpoint = my_point->x;
ypoint = my_point->y;

I am having no clue y this is happening.
...