C++ :: Program That Executes A Command Between Computers

Jul 28, 2014

I'm currently making something with C++ for a computer at my house. I have a program in which I let run minimized and hidden on my home computer which will save any application that is opened. It will log it so I know if my kids are on my office computer (they shouldn't be.).

I'm curious as to if I can make the program linked to a program I make on my work computer (at my workplace) and execute a command. I'm interested in making it so I can always be connected from the Workplace app to the Home Office App.

My idea for the program is to have a sort of administrative way of shutting the computer down or locking it remotely. If I see they are using the PC in my office, I want to be able to simply type a phrase and shut the computer off or lock them out.

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C :: Program Produces Different Results On Different Computers

Feb 13, 2013

I was doing problem 10 on project euler Project Euler. The following code produces two different answers on different systems:

Code:
#define INPUT 2000000
Bool isPrime(const int number) {
int i, sqr = sqrt(n);
if(n%2==0) return 0;
for(i=3;i<=sqr; i+=2)

[Code] .....

Computer A:
Linux 3.0.0-30-generic #47-Ubuntu SMP Wed Jan 2 22:39:01 UTC 2013 i686 i686 i386 GNU/Linux
gcc (Ubuntu/Linaro 4.6.1-9ubuntu3) 4.6.1
Ubuntu 11.10

Computer B:
Linux 3.2.0-31-virtual #50-Ubuntu SMP Fri Sep 7 16:36:36 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux
gcc (Ubuntu/Linaro 4.6.3-1ubuntu5) 4.6.3
Ubuntu 12.04

Compiled by: gcc program.c -o run -lm

Computer A generates this answer: 1179908154 (wrong)
Computer B generates this answer: 142913828922 (right)

My guess might be because they are running on different architectures. But I really don't know.

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C++ :: Variables Declared - How Many Times Loop Executes

Jan 27, 2015

Assume all variable are declared correctly, the following for loop executes how many times?

for (i = 0; i <= 20; i++)
cout << I;

I think 20 but am not sure.

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C/C++ :: SDL App Not Working On Other Computers

Jun 2, 2013

My SDL app which i made in visual c++ works properly on my pc, but it does not even starts on other computers. I have pasted all the required .dll files in my debug folder along with the pictures and sounds.

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C++ :: Connecting 2 Computers Over Internet

Oct 19, 2014

I'm trying to make my 1v1 game playable online and I would like to have the 2 players connected directly rather than trough a server.

The problem I'm having is that I don't have any experience with server client communication or internet libraries in c++

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C++ :: Connect Computers To Play Game?

Nov 16, 2014

I have a Blackjack game that allows users to create a login account and it keeps track of their bet amount, and total bank,etc. How can I connect the program on 2 or more computers so that people can play together?

(A) How would I code it? (B) Can I just connect a USB or HDMI and use the appropriate code? (C) Do they need to be executables instead of just running out of Visual Studio? (D) Can this maybe done over Wi-fi? (E) Or is this something more complicated like over a VPN?

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C++ :: Transfer Files (mainly Images) Between 2 Computers?

Oct 1, 2014

I need to transfer files(mainly images) between 2 computers using their RAM with some kind of FTP. I'm using C++. I guess it's pretty a lot to explain so if you have a clear and detailed articles/videos

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Visual C++ :: Application Won't Start Once Installed On Other Computers

Sep 13, 2012

I use standard libraries and INNO Setup, wich is a free setup file creator.

I succeeded in adding NetFrameWork 4.5 installer into the setup (it runs it after installation, and before running my software (named GOFINDER).

Now, i remember that this happened to me, but after three months of programming, mine used to start and still does. But I know it sometimes doesn't start, and I don't know why exactly.

I checked to make sure that I needed only FrameWork 4.5.

But maybe it is because of Visual C++ Runtime wich is not added upon setup.

I will try to check this after posting cause this has just popped up in my mind.

I'm asking you how can I Make sure, that distributing my software won't do that anymore.

Is it because my application file is not set on Run as Administrator?

Cause normally, it opens without this necesity, except as a Shell (well I have to check back but I think it does if I check on the run as administrator checkbox.

The problem is not really with InnoSetup, but I also would like to know how I can check that box automatically upon setup.

they say they have a documentation but I don't find it on my computer.

And... why would it start on my computer, and not on my beta-testers's one?

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C :: Adding A Command To Program

Dec 2, 2013

I'd like to add a 'command' to my C program. For example if someone types 'get out' it closes the shell and quits. I want the 'get out' command to work like 'exit'. How do I write a code like this

Code:
char entry[15];
scanf("%[^
]", &entry);
if (entry = "get out")
do "exit";

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C# :: Upper Pyramid Is Working Fine But Lower Pyramid Executes Infinite

Feb 10, 2015

I need to print like below pattern.

1
121
12321
1234321
123454321
1234321
12321
121
1

I got the upper pattern but below pattern is not working it executes infinte loop, how to reslove this.

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace ro {
class ro {
static void Main(string[] args) {
int numberoflayer = 5, Space, Number;

[Code] ....

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C :: Program Stalled At System Command?

Dec 22, 2014

I am trying to recreate this bash command in c code:

Code: bash-4.2$ exec 3<<<teststring
bash-4.2$ cat <&3
teststring
bash-4.2$

I've written a small program to do this as shown below:

Code: bash-4.2$ cat test.c
#include <stdio.h>
#include <string.h>
#include <fcntl.h>

[Code].....

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C++ :: Make Program That Has GUI Other Than Command Prompt?

Nov 22, 2013

I am looking to make a program for C++ that has a GUI other than command prompt. The program I am trying to create will ask certain questions and display the results at the end after all questions are asked and have 2 copies of the results one over the other that can be printed as a receipt. Basically I am wondering can I do this using C++. Also I want another GUI other than command prompt as well. Something close to what windows uses if possible.

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C/C++ :: System Call A Command From Within A Program?

Sep 17, 2014

how to invoke a UNIX command within a program

I found this:

dd if=/dev/urandom of=myrandom bs=100 count=1

and I found this:

dd if=/dev/zero of=mytestfile.out bs=1 count=0 seek=1G

I want to call this command, by using the command line and typing Generate or something to that effect.

Basically, I want to be able to build random size files, content isn't important to me at this time.

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C++ :: Execute Command In Command Prompt From Specific Path

Feb 15, 2013

I am facing a problem in C++,I want to execute a command in Command prompt from a specific path.I am able o select a path and execute cmd.exe using the function ShellExecute but the problem is after selecting the path I am not able to execute the command, the command is appearing on another command prompt.

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C :: Incorporate Command Line Arguments Into Program?

May 26, 2014

In the following program, I have gotten it to work with IO redirection (not shown in this particular code), and have made some minor adjustments to get it to work with file processing. The only thing I have to do now is get it to work with command line arguments, and am slightly lost (and I have looked into it).

I basically just need to take a text file from a certain directory and send it to my program. Would need two files, an input and output file.

main.c
Code:
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "LAB_6B_7B.h"

[Code].....

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C/C++ :: Program That Can Merge Files From Command Line In Li

Sep 22, 2014

I have written a C++ program that is supposed to open two text files (prog2a.dat and prog2b.dat) and write the contents of a specified range of lines to an output file (outfile.dat). I wrote a program that based on the example we were given (to take lines 5-15 from the first file and lines 4-12 of the second file and merge them into the output file) works perfectly. However, after asking my professor for some clarification on another part of the assignment, I found out I have not done this correctly. I have the code written so that it will always output the range of lines I mentioned earlier, but the program is actually supposed to allow the user to merge the files from the command line using whatever range they want by typing in the following command:

prog2 in1 5-15 in2 4-12 outfile

But I'm not sure how to tweak my current program to allow this to be done.

Here is the code that I have written, keep in mind that this works properly for the way it is written, but not how it is supposed to work for the purposes of the command line (hopefully that makes sense):

#include <iostream>
#include <fstream>
#include <cstdlib>
using namespace std;
int main() {
// Create output file
std::ofstream outFile("outfile.dat", ios::out);

[Code] .....

Is there any simple way to make this work as I described using the command line? Also, I am supposed to break this up into three files, a header file, the program file, and a test file (the test file contains main() and should close the 3 open files and display any error messages), but I'm getting really confused as to what should go in the header file. I know the header file should contain class definitions and constructors, but don't really know how to make that work for this specific program?

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C/C++ :: How To Execute Program Through Command Line With Arguments

Aug 13, 2012

i wrote the c program for command line arguments,but i don't know how execute c program through command prompt

i did like this

d: cin>

then how should i proceed for execution

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C :: How To Test Program That Opens Files In Command Line

Mar 10, 2014

The below program is supposed to display the contents of all files listed in the command line. When I try to run the program I get the fatal error "Debug Assertion Failed" Expression: file != NULL. I've done some researching on the matter and I gather it might be because I don't have any files listed in the command line?

How to enter files in the command line! I opened the Command Window in Windows XP and tried typing in "C> argc" and "% argc" (argc being the name of the file containing the below program) without any luck.

Code:

#include <stdio.h>
#include <stdlib.h>
int main (int argc, char * argv[]) {
int ch; // int to hold EOF
int count;
FILE *fp;
for(count = 1; count <= argc; count++) // agrc loop

[Code]...

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Visual C++ :: Command Prompt - Running GUI Program In Background?

May 2, 2013

No I definitely used Visual Studio Command Prompt

c:Program FilesMicrosoft Visual Studio 9.0VC
un_process_from_service>make.bat

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C :: Gzip System Linux - Program To Unite 2 Commands Into 1 Command

Sep 15, 2013

I'm writing a program to turn the two commands "gunzip file.tar.gz" then "tar -xvf file.tar" into "x file.tar.gz", but I've ran into a problem I can't find a solution to, here are the outputs I get depending on if I use a gunzip -f flag in my system() call or not:

if I use: (void)system("gunzip ", store );
> x file.tar.gz
gzip: compressed data not read from a terminal. Use -f to force decompression.
type: gzip -h
store 1: file.tar.gz
tar: option requires an argument -- 'f'

[code]....

I don't know if the problem is something to do with my code or something to do with gunzip and if it is to do with gunzip if I can even solve it with my code? I've tried for a while to find more info and read the gunzip man file, ran "gunzip file.tar.gz" outside of my program and found that it works normally producing file.tar so I suspect the problem is related to system()?

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C :: Send Information And Receive From External Command Prompt From Program?

Jan 10, 2014

How can I send information and receive from external command prompt from my program??. I want to run an external command prompt, a code that's is not mine, to send information to this command prompt, then make my program hit enter at the command prompt and then receive back information from the command prompt.

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C++ :: Program To Search Index File Using Command Line In Linux

Oct 28, 2014

I have code that creates an index file created from a data file of records.

#include <iostream>
#include <fstream>
#include <map>
#include <sstream>
#include <string>
#include <iomanip>
using namespace std;
class Record {

[Code]...

I now need to write a second program that allows the user to enter a command on the Linux command line such as

search 12382 prog5.idx

and returns the information for the record with that key. The code I included for the index file is correct and works properly, but how to write the second program.

Here is the index file created by the first program:

8: blank 0 $ 0.00
12165: Item16 30 $ 7.69
12345: Item06 45 $ 14.20
12382: Item09 62 $ 41.37
12434: Item04 21 $ 17.30
16541: Item12 21 $ 9.99
21212: Itme31 19 $ 8.35
34186: Item25 18 $ 17.75
41742: Item14 55 $ 12.36

The top line is a dummy record, the first number is the size of the file.

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C/C++ :: Unable To Create A Program That Takes Command Line Arguments And Prints Last One

Jan 18, 2015

I'm just getting back into the swing of things after a long time of not programming. I'm trying to create a program which takes in command line arguments and prints the last one. My code is as follows:

#include <iostream>
#include <vector>
#include <string>
using namespace std;
int main() {
string x;
vector<string> arguments;

[Code]...

And the error message I receive, a simple but frustrating one, is as follows:

Enter arguments, enter STOP to stop: Segmentation fault...

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C :: ANSI Program To Print Out Each Command Line Argument On Separate Line Using For Loop

Mar 5, 2013

I need to write a ANSI program to print out each command line argument on a separate line using a for-loop. also it need to print the name of the executable .so far I have

Code:

#include <stdio.h>
int main(int argc, char **argv) {
int i;
printf("")

[code]....

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C :: Program Which Writes Out Its Command Line Arguments In Reverse Order One Per Line?

May 7, 2013

l need to write a program which writes out its command line arguments in reverse order one per line. The output from the program should look like this:

% a.out Two roads diverged in a yellow wood
wood
yellow
a
in
diverged
roads
Two

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C++ :: Chain Of Command?

Jan 12, 2014

a) Write a C-program that creates a chain of 10 processes and prints out their process ids and relationships. For example, process 1 is the parent of process 2, process 2 is the parent of process 3, process 3 is the parent of 4 and so on. Each child has to print out all her ancestors identified by the process ids.

b) Write a C-program that creates a fan of 10 processes. That is, process 1 is the parent of prcocesses 2, 3, 4, 5, 6 and so on.

I'm assuming that he means c++ since that's what we've been using. how to start this and what it means? Or where I can learn how to do this.

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