Top "Argc" questions

The number of arguments given to the program, found as a parameter to main in some languages, notably C.

QApplication app(argc, argv)

I noticed that the main.cpp in a Qt application has to contain the following line: QApplication app(argc, argv); …

c++ qt main argv argc
executing a process with argc=0

Is it possible to execute a process whose argc = 0? I need to execute a program but it is extremely important …

c integer-overflow argv argc
Checking if argv[i] is a valid integer, passing arguments in main

I'm trying to make sure all arguments passed to main are valid integers, and if not, I'll print an error. …

c++ function argv argc
Checking to make sure argv[1] is an integer c++

For my program I have to make sure the user only inputs a positive INTEGER. for example if the user …

c++ integer argv argc
Using argc and argv in Eclipse?

I have a working program but now I have to use the int argc and char *argv[] parameters to main. …

c++ eclipse argv argc
c++ How to check if an arguement was given or not?

//Checks if a arguement was specified if (argv[1] != "") strcpy(Buff1, argv[1]); else strcpy(Buff1, "default"); If I run: ./program test …

c++ argv argc
How to override register_argc_argv in PHP?

I'm using a shared host (fasthostingdirect) and for some reason they have this flag turned off by default. This means …

php argv command-line-interface argc ini-set
Store argv to an int array

I have code like this to store argv to a dynamically allocated int array: int *data; // pointer to array of …

c arrays argv calloc argc
Why is argc not a constant?

int main( const int argc , const char[] const argv) As Effective C++ Item#3 states "Use const whenever possible", I start …

c++ constants main argc effective-c++
C++: cin >> *char

So, I'm currently writing a line editor as a learning project on I/O, writing files, and the like. It …

c++ cin ofstream argc