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Hello everyone!

Suppose that I have something like this

A a;
a.mem=new int[100];
A b = a;


where

class A {
public:
int * mem;
A() : mem(NULL) {
}

~A() {
if...

thank you very much!

surely, but i just want to know what happens with a.a gets freed automatically after realloc succeeds? i didnt find this information anywhere and I was just curious...

b = realloc(a, 1000);

if realloc succeeds and b!=a (not in-place replacement), does realloc automatically free a or I should free both a and b afterwards?

thank you!

sorry I didn't answer before,I was absent.Thank you very much,I will test this,it surely is interesting:)

I have no problem to call the function many times, I was just trying to think for a more tricky way but maybe it would be much more complex...I will try a little bit more and if I can't find...

first of all thank you very much for your interest and your answer.

you are right,using iostream for text file IS very painful,especially for someone like me who doesnt have any previous...

Hello fellow programmers!:)
First of all excuse me for my English, i am from abroad...

I am trying to learn the C++ programming language as it is one of the most basic languages.So,instead of...

ok i think i got it.thank you!

can you explain that?what changes i need to do in your example above in order to make it work properly?sorry for asking again,but i just began using makefiles.

Can anyone give me a makefile that creates 3 exe?for example, let's suppose i have the following files:

blah1.c
blah1.h

blah2.c
blah2.h

blah3.c
blah3.h

i've searched and searched but...

thank you for your answer! so you suggest that i do that in a for(){} condition and that i write every byte that in each repetition occurs into the file?

Let's suppose i have a hexadecimal array with 16 cells.for example
b3e2d5f636111780

i want to convert it to an array of ascii characters(in C) so that
i can reduce total size of the file i want...

thank you i will check it;)

i am trying to write a program in order to learn how to work with trees and especially 2-4 trees.
the general idea is that each node is represented by 4 cells and 5 pointers? (maybe 2 arrays then? )...

hello,
i am developing my own shell and i am trying to built cd command.So far:

if (strcmp(args[0],"cd")==0)
{
int i,k,j,begin=0,finish=0;
int...

Hi everyone.
I am trying to develop my own shell,and i am in the part of redirection.
let's say the user gives as input
cat test > test2
in the array of arguments i want to keep only...

Hi everyone.I am trying ti create my own shell in C.So far i have managed to create a parser to separate args from cmd line of my shell.(i have done nothing different for tokens is that wrong?).so i...

thnks a lot!i found another solution too but i will try this one as well;)

Suppose i have a file like this:

#bla bla
#bla bla bla bla bla

Bla
BLA
BLA BLA #bla bla
....
....


how can i remove all comments from every line,even if they are behind commands or...

hmm i am new too...but the bottom line is that i must link mailx with the desired domain?

ok i ll have to look into that cause i have noooo idea on the matter:D
thnks a lot for your help!!;)

actually the only thing i have done as far as mail is concerned,is to install mailx on my ubuntu...:D

//tried this from my command line but still no result in my inbox...

when i type mailq it...

thank you very much for your answers.i wanted to tell you that i have a bunch of files that contain the first half of the address(that is without the @domain part)so ,each time one of these files is...

Suppose i have a txt file that is the list of the addresses,something like:

lala0045 john james
lala0234 george james

and i want to send an email to lala0045@blabla.com and...