How to run/compile a C++ program in Nitrous.io? - c++

I am just starting to use Nitrous.IO and I can't seem to find any information on the web on how to run C++ programs you make in it. Any help on how to run a C++ app made in Nitrous would be a huge help.

All commands are to be run within the console
Step 1:
Get inside the appropriate directory using the following command:
cd ./folder/subfolder/etc.
Step 2:
Type in the following command to run a fileName.cpp program:
// This will make a separate file named 'fileName'
// within the directory you are working in.
// This can now be run in the console.
g++ -o fileName fileName.cpp
Step 3:
Type in the following command to run your program:
//The output will display in the console. Enjoy!
./fileName
ps: answer was there

Related

Can't find compiled executable in Linux terminal

I've created a hello world program in c++ and tried to compile it in c++ like this.
[aleksf#ic-ifi-rh8-026 cpp]$ g++ testing.cpp -o testing
I know that the testing file was created because
[aleksf#ic-ifi-rh8-026 cpp]$ ls -A
testing testing.cpp
But when I try to execute the file it can't find it.
[aleksf#ic-ifi-rh8-026 cpp]$ .\testing
bash: .testing: command not found...
I don't understand whats gone wrong as this is what I've been told works.
Linux does not use \ it uses / for directory paths. Try ./testing.
Like Russel have pointed out, you need to use forward slash: ./testing
The file you're trying to run also needs to have the executable mode bit set. You can fix that by running: chmod +x testing

How to run C++ program from terminal VS Code

I want to run a C++ program in VS Code. All I get from Google is that click on run and debug (the play button) on top right in VS Code and my program will be up and running. I don't want to do from that. I want to do it from terminal.
Example, to run:
A Python file I do: python3 fileName.py
A Flutter program: flutter run
A Java file: javac fileName.java
A Go file: go run fileName.go
Is there any command similar like this in C++?
Apologies, I know my question is a little naïve.
i guess the short answer would be :
$ g++ -o < name-you-want-to-give> source.cpp
In place of replace it by any name like myprogram, etc.
./myprogram
This mean you had to install gcc compiler beforehand.
I need to be in my project directory and then i need to run
g++ 01inputFromUser.cpp -o 01inputFromUser && "/home/aman/Desktop/arjun/cpp/"01inputFromUser
so this was what I was looking for
g++ fileName.cpp -o fileName && "/path/to/project/"fileName

VSCode Extension Run Code can't run C++ in terminal

I am new in C++. I like VSCode very much. I want to run my C++ code in VSCode and so I am using MinGW and Run Code Extension of VSCode.
MinGW setup worked and I could also run my C++ code in the output terminal in VSCode, but when I enabled Code Runner in the settings to run my code in the terminal (so that I can take inputs), I am getting this error:
bash: cd: d:\CodeForces" && g++ inSearchOfAnEasyProblem.cpp -o inSearchOfAnEasyProblem && d:CodeForces"inSearchOfAnEasyProblem: No such file or directory
My Folder structure is: d://CodeForces//inSearchOfAnEasyProblem.cpp
I am trying to run this file: inSearchOfAnEasyProblem.cpp
I am using the Bash terminal. I tried to change the terminal to cmd, but when I click the run button of code runner, it always runs in a bash terminal.
enter image description here
Can anyone please help me? I would have been grateful.

how do u want to open this file in cmd C++

I am still very new to c++ , And i cant seem to compile my very first c++ hello world program after writing my program i go to command prompt and change the directory to desktop because that is where i have saved my program then enter hello.cpp (hello.cpp is the name of my program)and instead of compiling it, It shows me a message saying how do u want to open this file? even thought i already installed mingw ,and changed the environment variables
compile your code to create .exe by below command.
g++ hello.cpp -o hello.exe
MinGW for First Time Users HOWTO

Try to execute command line codes from c++ linux

I tried the following code, to communicate with the command line from c++ code.
#include<iostream>
#include<cv.h>
int main()
{
system("gnome-terminal");
system("cd");
}
The gnome-terminal command is executing fine. After I close the terminal, when am expecting the cd to execute, however, is not happening. Could you please help me and point out the reason? Thanks. I was expecting the function to make the cmd go down to the home directory
, but it did not. am working in linux
I tried it even by removing gnome. simple cd is not working. am I doing something rong>?
If I try ls, it seems to be working fine!
My main aim is to open a new terminal, and execute commands on that new terminal through the present program that opened the new terminal. Could you please tell me how I can achieve this??
If you want to run a program and wait for it to finish before executing next line, take a look at this page and example code here: http://www.thegeekstuff.com/2012/03/c-process-control-functions/
But if you want to run gnome-terminal and execute a command in newly created window, do this:
system("gnome-terminal -x sh -c 'cd /tmp ; ls -la'");
The system function creates a shell child process to execute the specified command.
cd is a shell command which changes the current working directory of that shell process only.
So the child's cd probably works fine, but it has no effect on your C++ program, which is a different process.
Instead, you probably want to look at the Linux system call chdir.
Thanks for your help!! This command worked perfectly fine from this link
https://superuser.com/questions/198015/open-gnome-terminal-programmatically-and-execute-commands-after-bashrc-was-execu
gnome-terminal -x sh -c 'command1; command2; exec bash'
and I entered the respective commands in the new window. But to change the working directory in the shell am working o, I haven't still figured that out.