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Hello World,
I am using borland C++ 5.02 for my C++ course. After successfull compiling my "hello world" program, the source code fails to run.
I mean MS DOS flashes briefly on the screen, but then it closes itself. It's doing my head in.
I would be very happy if anyone can tell me what i am doing wrong?
Thanks
Zantabri
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The command window flashes briefly because your program runs too fast for you to see it. Open a command prompt first, change to your directory, then run your program.
1) Start -> Run -> type: cmd
2) You should now see a console window.
3) cd c:\directory1\directory\containing\your\program
4) hello.exe
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Cheers 
The program runs well from the console, But there is a catch. When i make changes to the code in the borland ide, i have to first compile and then run it in borland before i can see the changes made when i run it from the dos console.
I think it's probably got to do with my Borland IDE settings, but i have no idea where to look. I am not even sure if thats how it should b run
Can anyone give me an idea of where to look or something.
Zantabri
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Probably you need to put some code in borland c at the end of your program somethink like
while(!kbhit()) or getch(), that waits for a user keyboard input.
-Prakash
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Thanks
I'm doing that at the moment, it's just a little inconvenient, as i have to consider the while loop when creating programs that solve other kinds of problems.
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Now i c what u mean by the getchar() method . It works better than a while control statement.
Thanks
Zantabri
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Can somebody send me the steps for the cab deployment of window application in vc++.net 2003
Thank You
Pankaj
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Quick question: I'm working on a managed plugin to an open source unmanaged application. To achieve this I have an MC++ bridging dll plugged into the unmanaged host, which itself hosts a C# dll which does the real work:
Host App ---> MC++ Bridging Dll (a thin interface) ---> C# Dll (does the real work)
When the host app calls a Run function, my plugin bursts into life. I instantiate a whole bunch of managed objects exposed by the C# dll into an unmanaged structure by using the gcroot template; so as to be able to "store" managed objects inside that unmanged data structure jointly owned by the host app and the MC++ bridge. It works pretty well.
But here's the catch; to add more functionality to my plugin, my bridging dll will need to handle a few callbacks from the host app. My original plan was that'd I'd write a callback procedure which simply forwards the event into the C# dll through the use of a delegate. The catch is that to do any delegate invoking, I need to access my managed objects (which are the interfaces) in their gcroots - however the .net framework seems to balk at this, complaining that thread of the callback is in another AppDomain.
I presume the solution to this problem is to somehow get a thread that is in the correct app domain to handle the event. However, the only ways to do this, that I can think of involve yucky polling, or OS thread synchronisation Events.
Can anyone suggest a really elegent way around this little problem of mine?
Joel Holdsworth
Want to give me a job this summer?
Take a look at my online CV
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1)system("cls");
who can tell me ?thk, pls write it simple !!!
2) char ch1='*', ch2=' ';
what is the ch2=' '; mean ?
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This is a pure guess, but "cls" sounds like the old dos (aka console) "clear screen" command.
Indeed, I have just tried it and it still clears the screen.
system("command name");
also sounds like some invocation of a command.
Hope it helps
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how can i make program that will login in hotmail acount and take all email address in this email
--------------------
in othere words i have web site that have username as email and password
i want to program to test login to this account and all email address in this account
to send advertisment to this email
how can i do that ??
Palestine
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trying to hack someone's hotmail account ?! 
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no i want program to make more than 100 email in the same time
Palestine
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hacking the servers so 
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hahahaha 
i just to make advertisment
Palestine
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this is illegal...
 
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Sir! This is a verry verry difficult task! Is not just the matter that such program should containt hundert of towsends lines of code - hmmm, maybe milions - but you will need also some verry powerfull machines to run it in a reasonable ammount of time. For example, on a cluster with 64 servers, each powered by 64 intel celeron processors, the process should took about 7500 hours to run for a single account!!! And, as a final point: I speak here about fast plain C programs, not about some bloated managed app., as you request...
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I think ppl who voted you down did not get ur sarcasm 
-Prakash
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Finally, somebody got it! Indeed... it was only sarcasm in my posts...
So, you got my 5!
Cheers!
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Hello , I copied a sample from msdn, but the compailer doesn't understend most of the language wordes ,The sample itself not importent for now,Only the compailer problem.
the semple is:
using namespace System;
int main()
{
array^args = Environment::GetCommandLineArgs();
const double tipRate = 0.18;
double billTotal;
if ( args->Length != 2 )
{
Console::WriteLine( "usage: TIPCALC total" );
return 1;
}
else
{
try
{
billTotal = Double::Parse( args[ 1 ] );
}
catch ( FormatException^ )
{
Console::WriteLine( "usage: TIPCALC total" );
return 1;
}
double tip = billTotal * tipRate;
Console::WriteLine();
Console::WriteLine( "Bill total:\t{0,8:c}", billTotal );
Console::WriteLine( "Tip total/rate:\t{0,8:c} ({1:p1})", tip, tipRate );
Console::WriteLine( ((String^)"")->PadRight( 24, '-' ) );
Console::WriteLine( "Grand total:\t{0,8:c}", billTotal + tip );
return 0;
}
}
/////////////////////////////////////////////////////
and I get this answer from compiler:
/////////////////////////////////////////////
------ Build started: Project: testing_from_books, Configuration: Debug Win32 ------
Compiling...
general_uri.cpp
.\general_uri.cpp(2) : error C2871: 'System' : a namespace with this name does not exist
.\general_uri.cpp(5) : error C2065: 'array' : undeclared identifier
.\general_uri.cpp(5) : error C2065: 'String' : undeclared identifier
.\general_uri.cpp(5) : error C2059: syntax error : '>'
.\general_uri.cpp(5) : error C2653: 'Environment' : is not a class or namespace name
.\general_uri.cpp(8) : error C2065: 'args' : undeclared identifier
.\general_uri.cpp(8) : error C2227: left of '->Length' must point to class/struct/union/generic type
type is ''unknown-type''
.\general_uri.cpp(10) : error C2653: 'Console' : is not a class or namespace name
.\general_uri.cpp(10) : error C3861: 'WriteLine': identifier not found
.\general_uri.cpp(17) : error C2653: 'Double' : is not a class or namespace name
.\general_uri.cpp(17) : error C3861: 'Parse': identifier not found
.\general_uri.cpp(19) : error C2061: syntax error : identifier 'FormatException'
.\general_uri.cpp(19) : error C2310: catch handlers must specify one type
.\general_uri.cpp(21) : error C2653: 'Console' : is not a class or namespace name
.\general_uri.cpp(21) : error C3861: 'WriteLine': identifier not found
.\general_uri.cpp(25) : error C2317: 'try' block starting on line '16' has no catch handlers
.\general_uri.cpp(26) : error C2653: 'Console' : is not a class or namespace name
.\general_uri.cpp(26) : error C3861: 'WriteLine': identifier not found
.\general_uri.cpp(27) : error C2653: 'Console' : is not a class or namespace name
.\general_uri.cpp(27) : error C3861: 'WriteLine': identifier not found
.\general_uri.cpp(28) : error C2653: 'Console' : is not a class or namespace name
.\general_uri.cpp(28) : error C3861: 'WriteLine': identifier not found
.\general_uri.cpp(29) : error C2653: 'Console' : is not a class or namespace name
.\general_uri.cpp(29) : error C2059: syntax error : ')'
.\general_uri.cpp(30) : error C2653: 'Console' : is not a class or namespace name
.\general_uri.cpp(29) : error C3861: 'WriteLine': identifier not found
.\general_uri.cpp(30) : error C3861: 'WriteLine': identifier not found
Build log was saved at "file://f:\Documents and Settings\uri\My Documents\אורי\חומר ופרויקטים ב-C++\Visual Studio 2005\Projects\testing_from_books\testing_from_books\Debug\BuildLog.htm"
testing_from_books - 27 error(s), 0 warning(s)
========== Build: 0 succeeded, 1 failed, 0 up-to-date, 0 skipped ==========
//////////////////////////////////////////////////////////////
Why
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1. what compiler do you use ? (VC6, 2005 or 2005)
if VC6, then you cannot compile managed code with it.
2. if not VC6, then did you correctly create a managed project ? (not Win32 for example)
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Michael Dunn wrote: Are you using VC 2005?
I assume he does. Because his path is pointing to "...\Visual Studio 2005\Projects\...". Although you don't need VS 2005 to create a path like this  . From my point of view it looks like he is trying to compile C++/CLI code within a WIN32 project. 
regards Tobias
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