Forum: C  Nov 20th, 2008 |
| Replies: 3 Views: 286 |
| Forum: C++ Nov 20th, 2008 |
| Replies: 14 Views: 499 Re: Crash Windows
>So there's absolutely no way possible for the average person to write to it?
No.
>I was just curious, I absolutely do not want to make any type of virus, trojan, or malware.
Anything that... |
| Forum: C++ Nov 20th, 2008 |
| Replies: 10 Views: 415 |
| Forum: C++ Nov 20th, 2008 |
| Replies: 5 Views: 230 Re: Free safe DLL to play with
First off, you are being a bit pushy. Stop. Sometimes it takes a day or two to get a (useful) answer.
Secondly, if you can't use C++, then you are posting in the wrong forum.
A good DLL to play... |
| Forum: C++ Nov 20th, 2008 |
| Replies: 14 Views: 499 Re: Crash Windows
No.
The kernel is write-protected and you have to know the right magic to get past that.
Deliberately crashing the kernel isn't funny. It is downright dangerous. You can utterly destroy your system... |
| Forum: Pascal and Delphi Nov 20th, 2008 |
| Replies: 9 Views: 621 Re: Bug in Free Pascal
Hmm, you are right. My TP4 and TP5.5 both barf on both @x and addr(x).
This is one of those (relatively few) things that Borland did wrong (stunting the language). Alas. The only to make things work... |
| Forum: Pascal and Delphi Nov 16th, 2008 |
| Replies: 4 Views: 706 Re: Inno Setup Questions
I don't know how you have your script set up, but the [Tasks] and [Components] sections are specifically designed for this. Every "task" you list in the tasks section indicates some component to... |
| Forum: Pascal and Delphi Nov 16th, 2008 |
| Replies: 9 Views: 621 Re: Bug in Free Pascal
It isn't a bug. Free Pascal is a little more strict about certain things than TP.
Your program should read:
program fred;
type funcparam=function(x:real):real;
function jim(x:real):real;
begin
... |
| Forum: C++ Oct 6th, 2008 |
| Replies: 14 Views: 1,619 Re: Alternative for cout << "";
Sorry I've missed the last week (more or less).
To do fancy stuff with the console use the Curses library.
NCurses
Platform: POSIX
Where: http://www.gnu.org/software/ncurses/
Notes:
If you are... |
| Forum: C++ Oct 3rd, 2008 |
| Replies: 19 Views: 1,158 Re: how to identify which OS I am using
Sigh. You know, you really shouldn't be dinking with the screen at all. But if all you want is something to clear the screen in Win32 and POSIX, here are a couple of functions. Your teacher will know... |
| Forum: C++ Oct 2nd, 2008 |
| Replies: 19 Views: 1,158 Re: how to identify which OS I am using
If this is just some homework problem, you could try one, then the other. Only one will work:
if (system( "clear" )) system( "cls" );
However, like ArkM said, better to do it the Right Way. |
| Forum: C++ Oct 1st, 2008 |
| Replies: 19 Views: 1,158 Re: how to identify which OS I am using
The exact macro to test for depends on OS and compiler. Here is a handy reference for Pre-defined C/C++ Compiler Macros (http://predef.sourceforge.net/).
Unless you have been careful to predefine... |
| Forum: C++ Oct 1st, 2008 |
| Replies: 4 Views: 271 Re: Keys in C++
I think the OP is interested in unbuffered input.
Win32: use <conio.h> stuff (me goes to wash my hands) or the Win32 Console Functions (http://msdn.microsoft.com/en-us/library/ms682073(VS.85).aspx)... |
| Forum: C++ Sep 27th, 2008 |
| Replies: 7 Views: 377 Re: priority of Function
You can't. The main() function is, by definition, the first function your program runs.
What difference does it make? Just call your function first thing in main:
int main()
{
my_init_func();
... |
| Forum: Pascal and Delphi Sep 24th, 2008 |
| Replies: 2 Views: 589 |
| Forum: C++ Sep 24th, 2008 |
| Replies: 4 Views: 502 Re: Bit String help
I think you'll have to go ask your professor for clarification. Sorry.
Oh, the bit position is indexed like an element of an array. So if your bits do represent strings (as in vector <string>... |
| Forum: C++ Sep 24th, 2008 |
| Replies: 3 Views: 577 Re: reading arrow keys from keyboard
Yes, you really are asking an OS and SDK-dependent question.
If you are using something like SDL, then respond to the key events that SDL gives you. Most GUI/graphics toolkits will give you a way to... |
| Forum: C++ Sep 24th, 2008 |
| Replies: 11 Views: 516 Re: Processes in C++?
Good grief. Only use TerminateProcess() to kill the unruly.
Otherwise, just ask it nicely: send it a WM_CLOSE message. If it doesn't respond in, say, 500 ms or so, use CreateRemoteThread()... |
| Forum: C++ Sep 24th, 2008 |
| Replies: 4 Views: 502 Re: Bit String help
Your assignment is the kind of exactingly vague description I've come to expect from CS instructors. Do you have an exemplar of the input file? I will assume some things from here on:
A bit string... |
| Forum: Pascal and Delphi Sep 23rd, 2008 |
| Replies: 1 Views: 662 Re: Get process name that uses file
You'll need to create a system snapshot and walk the processes and modules.
MSDN Tool Help Library (http://msdn.microsoft.com/en-us/library/ms686837(VS.85).aspx)
If you don't need to do it... |
| Forum: C++ Sep 23rd, 2008 |
| Replies: 1 Views: 280 Re: Shared Memory -- Pointer problem
You won't get any source... and you'll have to read your textbook, but think for a moment:
Should objects in shared memory be referencing things in the private memory of any process or thread?
Hope... |
| Forum: C++ Sep 23rd, 2008 |
| Replies: 9 Views: 739 Re: How to the return value of main
This is one of those perennial questions...
system() returns the exit code of the command shell (probably bash --or if your system is really old, sh [check your /usr/bin/sh to see if it is a link to... |
| Forum: Pascal and Delphi Sep 20th, 2008 |
| Replies: 11 Views: 2,596 |
| Forum: Pascal and Delphi Sep 19th, 2008 |
| Replies: 11 Views: 2,596 |
| Forum: C++ Sep 18th, 2008 |
| Replies: 2 Views: 334 Re: 3x3 Determinant Help.
Your math is off.
http://en.wikipedia.org/wiki/Determinant#Determinants_of_3-by-3_matrices
(Watch what you do with those minus signs.)
Good luck! |
| Forum: C++ Sep 15th, 2008 |
| Replies: 11 Views: 1,005 Re: replace ctrl M(^m) characters
I actually wrote a little program to do just that not too long ago:
strip-cr.cpp
#include <algorithm>
#include <functional>
#include <iostream>
#include <iterator>
using namespace std; |
| Forum: C++ Sep 15th, 2008 |
| Replies: 3 Views: 587 Re: Help with the Getch() fuction...
Almost exactly what I was going to say. Your professor is giving you a hard time for using getch()? I would be hard-pressed to find a modern 32-bit Windows compiler that doesn't support it. And only... |
| Forum: C++ Sep 14th, 2008 |
| Replies: 1 Views: 453 Re: List running processes
Use CreateToolhelp32Snapshot() (http://msdn.microsoft.com/en-us/library/ms682489(VS.85).aspx) with the TH32CS_SNAPPROCESS flag and Process32First() and Process32Next() to get a list of processes on... |
| Forum: C++ Sep 14th, 2008 |
| Replies: 9 Views: 580 Re: Huffman coding Issue
If you read and write your files one byte at a time, endianness is not an issue.
However, bit order is always an issue. The first bit you write should be in bit position 0 of the first byte you... |
| Forum: C++ Sep 14th, 2008 |
| Replies: 9 Views: 580 Re: Huffman coding Issue
You caught me just before I left...
It looks like the default char type is signed. So:
unsigned char 0xBF (default windows codepage for '¿', but any binary data will do)
read as --> signed char... |
| Forum: C++ Sep 14th, 2008 |
| Replies: 27 Views: 25,029 Re: get length of a dynamic array
> For slow-witted reanimators: it's impossible in C and C++ to get a size of array argument by this array parameter only.
Funny how there are all kinds of C and C++ libraries to do just that sort of... |
| Forum: Pascal and Delphi Sep 14th, 2008 |
| Replies: 1 Views: 420 Re: Algorithm help
What exactly do you mean by "columns"? The same as in your code?
If so, perhaps it would help to stare at the cute animation over at Wikipedia: Pascal's Triangle... |
| Forum: Pascal and Delphi Sep 14th, 2008 |
| Replies: 6 Views: 830 Re: Display a single unicode character?
Unfortunately, Delphi really doesn't have very good support for Unicode. Widestrings really only exist for compatabilty with OLE objects...
Lately I've been learning a lot about using Unicode in my... |
| Forum: C++ Sep 14th, 2008 |
| Replies: 9 Views: 580 Re: Huffman coding Issue
You've got waaaay too many variables swimming around in there.
That said, you've managed to do all your bit-shifting without collisions.
Big output
The reason why your output file is so big is... |
| Forum: C++ Sep 14th, 2008 |
| Replies: 3 Views: 359 Re: std::remove() syntax
If you plan to do any serious programming in C++ you absolutely must have a good reference (http://www.cplusplus.com/reference/clibrary/cstdio/remove.html).
How did you learn about the function to... |
| Forum: C++ Sep 13th, 2008 |
| Replies: 5 Views: 263 Re: just:
AD Check your PMs
For everyone else...
is it just a question?
or is it nothing at all?
maybe we can help
for just a little more info |
| Forum: C++ Sep 13th, 2008 |
| Replies: 8 Views: 594 Re: Preventing multiple instances of .exe
...which is the correct solution for Linux.
On Windows, register a new window message (specific to your application) and broadcast it when your program is considering starting up.
Any existing... |
| Forum: C++ Sep 13th, 2008 |
| Replies: 5 Views: 263 Re: just:
maybe:
:twisted: (Google "haskell maybe" if you are confused.)
/me runs away |
| Forum: C++ Sep 13th, 2008 |
| Replies: 3 Views: 297 |
| Forum: C++ Sep 13th, 2008 |
| Replies: 9 Views: 580 Re: Huffman coding Issue
Hmm, I just replied to your last post...
Huffman only works if the tree is properly formed. If you are getting a larger output file then your tree is malformed.
You are accounting for the... |
