General C++ Programming - C++ Forum

by stroem

Resizing dynamic array?

how do I resize dynamic array without using loop? (And I dont want too use std::vector). loop ver...

[7 replies] Last: Oh yeah, I should not use a new with a malloc. sorry... (by canilao)

by natasha23

generate a deck of cards

hay guys im having rouble with generating a deck of cards...im not really sure exactly how i should ...

[3 replies] Last: canilao has described one possibility. But a card can be uniquely defi... (by Hammurabi)

by graciano

string to int conversion

Hi! I used atoi from stdlib to manage this conversion ... something like this. #include <stri...

[5 replies] Last: also #include <boost/lexical_cast.hpp> int n = boost::lexical... (by jsmith)

by Disch

Get app path+name

Looking for a way to get the executable's full path and filename. *nix solutions in particular, but...

[5 replies] Last: Yes, if your application is in a PATH directory you'll have to search ... (by Duthomhas)

by vkq123

Function pointers

Hi can somebody explain me what this function pointer means... void *(*(*fp1)(int)) ; As I u...

[13 replies] Last: Thanks guys. :)... i understand this was a very difficult one... and t... (by vkq123)

by Incubbus

Winsock & Threads

Hey There... I am writing a small chat program: 1 host, multiple clients. I managed the messag...

[4 replies] Last: Do you realize any solution , how i could get all the Clients stuff ov... (by Incubbus)

by Karami

unexpected output from binary file.

void read () { int buff; fstream bin ("fails.bin", ios::in); while (bin) { ...

[3 replies] Last: Use a struct of 4 ints and read all four ints in at once into the stru... (by PanGalactic)

by Kruptomenos

GUI Windows && Linux

Okay, I'm thinking about learning C++, but I was wondering if it was possible to make a GUI using ...

[2 replies] Last: Why it's very possible.And very recommended.This way you won't support... (by andrei c)

by nanger

about escape character "\b"

for(....) { fprintf(fp,"%d ",..); } fprintf(fp,"\b\n"); as the codes above show, I wa...

[5 replies] Last: thanks very much for the detailed descriptions! (by nanger)

by Sundar0206

Assistance needed with NAN

Hi all Yet another question from me and hope some one shoots the answer immediately.. very simple...

[2 replies] Last: bang on target........ thanks.. that was the problem .. but now an... (by Sundar0206)

by nanger

what is wrong with my program?

Peer::add_link (this=0x8077398, dest=0x80f6630) at /usr/include/c++/4.2/bits/stl_deque.h:105...

[11 replies] Last: I haven't modified p_out_links class Link { PPeer l_to; //... (by nanger)

by ajay16oct

Static Casting is not working.What can be bug in it?

hi everybody . I am trying to use static casting to downcast it .but its not working.Plz help me to...

[6 replies] Last: I don't often use typeid() (by "often" I mean "ever"), so I had to lo... (by Disch)

by nanger

erros in debugging

void make_random_neighbourhood(POverlay po, size_t degree) { size_t n = po->num_peers(); for...

[4 replies] Last: What level optimization level did you compile at? The compiler will f... (by PanGalactic)

by graciano

flush cin

Hi How can i flush cin so that i can read a string with spaces after reading an int? #include <io...

[4 replies] Last: That's more like it. Thanks (by graciano)

by shobhitgoel10

inpout32 in Turbo C ??

Hi I am developing a project that hass to access the pc parallel port in windows xp, through Turbo C...

[no replies]

by Mozza314

Reserve Memory for GMP Integers?

I'm working on an algorithm which calculates the square root of 2 to many decimal places. I'm iterat...

[2 replies] Last: I have read the relevant sections of TFM and strangely enough, there's... (by Mozza314)

by Repentinus

Including scripting support in C++ application

Hi! What scripting language would You recommend from the set of Python, Common Lisp, Scheme to be us...

[10 replies] Last: Got it working. Thanks. (by Repentinus)

by matrebatre

Function pointer question

I found this code in an open-source project: char* address; // (...) return (void*)*(unsigned ...

[1 reply] : that casts address+0x44 to a pointer to pointer to unsigned int and ... (by Bazzy)

by failingphysicsz

c++ class implication problem

Question Details: I am having difficulty implimenting these umls. I dont even know how to start. Pl...

[no replies]

by matrebatre

What should I do if malloc() fails?

I was wondering what I am supposed to do if malloc() returns NULL. Currently the program shows an er...

[4 replies] Last: In my experience (UNIX) it is MOST important to handle malloc failures... (by jfq722)

General C++ Programming - May 2009 (Page 8)

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