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General C++ Programming - July 2011 (Page 16)

I am using the MSVC compiler and I have a few questions about just how the assembly turns out. I've declared an enum: enum MyEnum { _A, _B, _C }; a...

[2 replies] Last: Consider the application of polymorphic classes (they could be used in... (by morus)

by FrancescoItaly

namespace: is it good?

Hi all, sorry for the topic's title, but I have not found anything better. ... So, is it better write: #include <iostream> using namespace std; or...

[3 replies] Last: Whichever you choose, please do not ever put using namespace std in ... (by Moschops)

by codder

c++ map find problem

Ok, i have a map hash (string, string) for(map<string, string>::iterator it = hash.begin(); it != hash.end(); it++) log_file("first: %s\n", (*it).first.c...

[4 replies] Last: Its not fully clear for me but I've got the impression that keyname co... (by morus)

by Brad1

Computing tuition Need Help please!

The question is: Suppose that the tuition for a university is $10,000 this year and increases 5% every year. Write a program that computes the tuition in ten ...

[1 reply] : Use the 10-year tution as a base and sum up 4 years in a separate vari... (by morus)

by barbis

share header files with multile source files

Dear all, i have been up to now writing multiple public image manipulation library ITK functions to external application. Everything worked fine when i wrot...

[1 reply] : That is a linker error. I would assume that PlugInStartup is a functio... (by morus)

by Gee Gee

help me with this advanced source code !

hello there . (sorry my english in not good) im newbie at c++ and i wonder if i can edit this source code but the problem is i dont know how to compile this ...

[3 replies] Last: The code appears to be for cheating games players. I'm not really sure... (by Galik)

by Darshan Kutagulla

Developing own Debugger

Hi All, I would like to develop my own debugger and I need assistance in achieving this. Why am I trying to reinvent the wheel? Example: I want to know/l...

[2 replies] Last: Apart from the fact that your question looks a bit silly (You wouldn't... (by morus)

by spade117

Array help

I have an interactive program that creates random numbers. The user defines the amount of numbers and the range of the numbers. What is happening is that all th...

[5 replies] Last: Or, decide on remainder == 0 (and skip the special case of i==0) if... (by morus)

by TheCreator

Explain the code? (1,2)

#include <refio> %AND if/;{write->::fol^&); int main() {SO""bin,;,;,call (system/internbin); return 0;} Can anyone explain the code? My professor instructe...

[23 replies] Last: I believe that exposing refio to us would crack this nut... This has ... (by mcrist)

by fsshl

undefined reference, but I think I already defined them

Dear Advanced c/g++ programers: I tested a simple program about Creating an interface with an Abstract Base Class. from book (C++ cookbook) page 308, 309. ...

[3 replies] Last: ~Superhero() { } (by closed account S6k9GNh0)

by closed account o1vk4iN6

printf until certain character

Is there a printf format to continue printing a string buffer until a certain character has been reached, almost like setting a character as a null terminator. ...

[1 reply] : Not that I know of. printf() prints C-strings, which are terminated wi... (by Zhuge)

by TheCreator

Sending things over the internet?

I have learnt about sockets, etc. I can set up a basic server and client with connected and connectionless sockets> But the thing is I can only send text, do...

[1 reply] : Winsock is the default sockets library on Windows. On BSD systems, li... (by kbw)

by Teelnaw

Virutal base pointer sort question

I am trying to sort using base pointers to an array of derived objects. My issue is the sort needs to access a function for each derived class that calculates a...

[3 replies] Last: Update... just realized that I should be swapping the objects/pointer... (by Teelnaw)

by spectrem12

array losing bytes

I do not understand what is happening here. Every time I check the size of the array, it seems to lose size. The first cout in main says its 7, then the next...

[1 reply] : The sizeof trick only works when the compiler knows the size of the ar... (by jsmith)

by mzimmers

string assignment in constructor?

Hi - I'm trying to initialize a member string in a class constructor. I used this example: int main () { char *line = "short line for testing"; ...

[2 replies] Last: Aha! Yes, I did declare it, but...as a function by mistake, not an obj... (by mzimmers)

by ashishkumar

calling convention: right to left Vs. left to right

In C language why it has been the convention that function argument shall be pushed on the stack from "Right to Left" it could have been "Left to Right". Is t...

[3 replies] Last: No. Well, maybe. Variable arguments (as C and C++ implement them) have... (by Duthomhas)

by tonnot

Very important problem , reinterpret cast on structure with char inside fails ?

I have the next structure structure { float a_float; char my_title ; }; I have a function so save the structure to byte array. template <class TTput_strea...

[6 replies] Last: I am now very confused as to what you want to accomplish. Initially I... (by webJose)

by Abhilash N

Getting the size of the char* array passed as an input to C++ function

I am trying to pass a character pointer array as an input from C test driver to C++ function (available in C wrapper) char* LowerList = { "abc", "def", "hij...

[5 replies] Last: COM is very actively used in all versions of windows operating system.... (by modoran)

by Rafael Souza

Convert (HTML Codes)

I would like to convert HTML Codes (Numerical Code to Character) and (Character to Numerical Code). Sample: Dog in portuguese is cão. I have a string "cã...

[1 reply] : Google is your friend. There seems to be one here: http://stackoverf... (by webJose)

by chrisben

tough question about conversion(int to hex to char)

I am confused on the result of this long temp = 1479618608 cout << (const char*) &temp <<endl; result is 001X. I know temp in hex is 58 31 30 30. So...

[11 replies] Last: Thanks. It makes more sense to me if it is endiannness. I do not have... (by chrisben)

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