In this tutorial I am going to show how-to communicate a Java program with an Arduino board through the serial port.
Java Serial Port Communication with Arduino in Ubuntu 18.04
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Archivo de la categoría: Programación
C++ threads in Eclipse Kepler and Ubuntu 16.04
I began testing a simple threads example. But, I had a little problems:
- The pre-compiler said: “thread could not be resolved”.
- The compiler said “… undefined reference to ‘pthread_create’ …”.
Here is the solution.
A simple C++ socket example
This is a simple C++ socket example with a client and echo server. This tutorial is based on simple server and client chat (linux) written by Hassan M. Yousuf.
I do not pretend bring a long explanation about sockets, you can find a lot of information in Google. I share a basic example to understand how it works.
Centos: Espacio insuficiente en disco
Dentro mis tareas de investigación estaba creando un nuevo usuario en uno de los servidores Centos que disponemos en el centro de investigación. Al establecer la sentencia, el sistema me arrojaba el siguiente error:
# adduser miusuario adduser: cannot lock /etc/passwd; try again later