C++ :: How To Input PNG Into Application
Jan 6, 2014
Is there any way to input a picture into an application? I want to make the console of my C++ program display an image across it for a short while. The picture in mind is a gif. If there is no way to make it display in the console, is there a way to make only the image and not the webpage pop up on the screen?
I am trying to replicate the Skyfall "M gets hacked" scene. But this would be useful for other purposes as well.
I am not familiar with using header files or any other files other than the .cpp file and I only use one .cpp file for all my programs.
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May 9, 2012
I want to create an application that starts an application and passes input to that application. I know how to start a process using the classes in System.Diagnostics, but I don't know how to pass data to the process.
For example, and this is just an example, I would like to be able to automatically start an application that requires a username and password and automatically enter the username and password. Of course, that might open the door to security vulnerabilities, but that's not the point of the exercise.
How to implement the functionality I described? Is there a general way to go about doing this or does it depend entirely on the idiosyncrasies of the application in question?
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May 6, 2014
Currently I'm working on a application which reads the input from the server and write to a file. Message stored in server : idle_message="维杰PC时钟" key_prompt="在按键"
Server will send a xml reply with encode type as "UTF-8". In my code I'm store in a char array. [ char * ch = "idle_message="缁存澃PC鏃堕挓" key_prompt="鍦ㄦ寜閿" msg came from server and copied from vs2005 watch point] After this I'm writing the same to a file in my desk using the API WriteFile. When i open the file in Editplus below is the content.
idle_message="维杰PC时钟" key_prompt="在按键" Again I'm trying to read the file and storing into the char array. Below is the content viewed by the watchpoint in VS2005.
idle_message="缁存澃PC鏃堕挓" key_prompt="鍦ㄦ寜閿? I'm trying to find the starting and ending chinese char and I'm converting that char to wchar_t using the API mcstowcs() for display, its coming as completely junk chars.
I can able to every place the chinese char are different. how to overcome this problem.
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Nov 26, 2014
I'm trying to simulate a ctrl+ keypress into a running application.
Code:
#include <stdio.h>
int main (void) {
system("/usr/local/bin/rundb");
}
My problem is that the rundb program needs the user to type ctrl-b then s to actually start executing. What is the best way to handle this automatically? Some sort of fork/pipe?
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Nov 29, 2014
What happens if I make a server application using tcp protocol and then establish connection with a client application but the server crash and then the client send data. Will the data be lost or the system will continue trying to send it?
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Oct 4, 2012
i have task scheduling application which execute every 30 minute i want to keep this process when system is log off in c# console application
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Apr 6, 2013
I am trying to create a simple interface on console to allow to input some values to some variables. For ex:
int main() {
double a = 1.5;
double b = 2.5;
double c = 3.5;
string x;
[Code] ....
However, I want these three to display at the same time (now they display one by one), and in the console window I can move the cursor between input place of a, b and c with "arrow key" of keyboard.
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Jun 17, 2014
deal with a failed input stream and type checking input?
I use:
cout << "
Enter a menu option: ";
while(!(cin >> menuGameMode))
{
cin.clear();
while (cin.get() != '
')
continue;
cout << "Enter a menu option: ";
}
Is this the "Best" way to do it?
EDIT: We're assuming input is expecting an int.
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Aug 26, 2012
I am using an increasing number of applications which can be serviced from a web page. These apps do not need tomcat, apache or IIS to be installed but they are able to serve out web pages on demand.
Question is how is this done? Is it just a thead polling a port, waiting for a mime message and then chucking out the content or is it something more complex than that?
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Aug 13, 2014
I would just like to know what does
while( (c =getchar())!='
' && c !=EOF );
do ? and how it do it?
I have see it in a example to clear the input buffer for next input through scanf but does not know its working clearly.
it is used in this example :
Code:
#include<stdio.h>
struct linklist {
char value[20];
struct linklist *next;
};
struct linklist *head,*curr;
[Code] .....
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Mar 20, 2014
Program is to add two fractions together like so..
This program adds fractions. ‘Y’ continues, any other key exits program
===================================================
Enter numerator 1 ==> 1
Enter denominator 1 ==> 3
Enter numerator 2 ==> 1
Enter denominator 2 ==> 6
1 1 1
--- + --- = ---
3 6 2
-----------------------------------------------------
Continue? Y or N! ==> n
My question is that i need each input to be a number.
if a character is entered i want it to output something like..
This program adds fractions. ‘Y’ continues, any other key exits program
===================================================
Enter numerator 1 ==> 1
Enter denominator 1 ==> a
You need to enter a number here.
Press any key to continue.
and then clear the part where the letter was entered.
This program adds fractions. ‘Y’ continues, any other key exits program
===================================================
Enter numerator 1 ==> 1
Enter denominator 1 ==>
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Jun 8, 2014
I am having trouble converting strings in my application.
This is the code that is eventually getting called, the first parameter takes a LPCWSTR
Code:
hr = m_pGraph->RenderFile(m_filePath, NULL); // takes LPCWSTR This is where the trouble begins.
The compiler shows that sResult is proper but after I try to convert a std::string to a wchar it prints garbage
Code: const wchar_t* m_filePath = (wchar_t *) oDb->GetNext().c_str();
Code:
std::string CSqlLiteDatabase::GetNext() {
sqlite3_stmt *oStmt = nullptr;
std::string sql = "SELECT path || filename FROM table WHERE id = 1";
char message[255];
[Code] ....
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Apr 1, 2014
i developed 2programm that the first one is in C and the second one is in c#.and now i have to send some string text from c to c#.how can i do that in c ?
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Feb 19, 2014
I am looking at a same application in c that uses two different timing techniques. One involves the nanosleep() function which suspends thread for given nanoseconds. The other one uses a combination of gettimeofday() which returns number of microseconds since epoch as a start value. Then it uses var counter of for loop as max value. And it uses ellapsed time for each call of gettimeofday in microseconds in a do while loop to increment diff, until diff is not less than var. Why would someone choose to use this timing techinque be used instead of nanosleep?
Code:
unsigned long getTime() {
struct timeval detail_time;
gettimeofday(&detail_time,NULL);
return (detail_time.tv_usec);
[Code] .....
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Aug 22, 2014
I was wondering if there was a possible way to change my c program into an application so that i can send the application to another person and not let the other person have access to my codings?
My reasons for asking this question: For the application i want to send there are secrets that are meant to be unraveled by gameplay but i dont want people to look at the codes and know everything.
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Apr 6, 2013
Any tutorials on adding a UI to a console application? All I really need is a button that will run one function every time I click it.
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Sep 12, 2014
I'd like to make a logger for my GUI application. I currently use std::cout and std::cerr, but I'd like to replace these with an arbitrary buffer which isn't connected to stdout or stderr. My requirements are:
1. On the user-side, the usage should be identical to any ostream object (including support for std::endl).
2. When std::flush is received, it "signals" my logger so I can run this line of code:
LogWindow->setText( mybuf.str() )
I think I need to extend a std::basic_stringbuf<char>, but which virtual method do I need to implement in order to print to my custom window?
My first attempt is this. I'm testing with std::cout, but the output is empty and running in the debugger doesn't trigger a breakpoint in my sync() method.
#include <ostream>
#include <iostream>
class MyBuffer : public std::streambuf
[Code].....
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Sep 7, 2013
I have this problem, then solve it by using the other kind of SDL.dll(eg. 32-bit instead of 64-bit). However, I get the error
The application was unable to start correctly (0xc00000be). Click OK to close the application.
no matter what SDL.dll I use. So far, the only solution does not work for me,
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Feb 27, 2015
Is it possible to develop any application without exceptions? I don't want to try and catch exceptions and remove it.but I want to write codes which should never create exceptions is it possible?
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Mar 16, 2013
I have developed an application in C++ that creates some text files in a directory chosen by the user.
How can I ask the user set a Default Directory Path (and some other default parameters) so that she doesn't have to enter the same data in the GUI everytime the application is run.
The application has been developed using Qt Creator.
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Dec 18, 2014
I have a service A, and an application B. Service A needs to launch application B only if it's not running currently. This can be easily done in Windows by calling GetExitCodeProcess function. I cannot find an equivalent method for doing so in Linux/Mac.
So my current code says:
system("open /Users/adsmaster/client/client &"); // to launch the application from the service in a new shell
I read that on a Linux-line machine you can use $ cal to get the exit value of the recently run process but I am not sure how can get the exit value of a particular process?
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Dec 15, 2014
I want to open an application A from another application B. By opening it, I don't want to open it within B. I found many ways to call an application from within another. However, what I want to do is open the other one(A) simultaneously. How can I achieve this? fork() and exec() seem to open A within B. I am developing a code for Linux and Mac.
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May 2, 2012
Actually i am using one timer, in that timer i am trying to displaying one dialog box nane as ABC, for if condition is success, there in the same condition i need to put one more query like for the perticular application is active then only display this dialog box ABC, i need which API is using for getting active application in c++.
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Feb 7, 2013
I have a question about to run an MFC dialog based C++ application from console: if I run my application from console, I see the application start and the console immediately back to prompt. I need that console wait the application exit before show me the prompt again. I tried on Visual Studio 6, 2005 and 2010 but the behavior is the same.
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Jun 23, 2014
I want to achieve such an efect like - one view which takes all MDI area and some views which arelike non modal dialogs
Two Child frames will be correct? one for "big" view which will be always visible and second for a "smal" views
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Jan 16, 2012
I have a class called CTestObject and it has one variable int id. I want to add instances of this to an std container and be able to:
1. quickly determine if the value of "int id" exists in the container and update the object
or
2. add a new object to the container
Which std container is the best for this application? What method should I use to search the container for the object id?
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