curl -O https://repo.anaconda.com/archive/Anaconda3-5.2.0-Linux-x86_64.sh
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100  621M  100  621M    0     0   854k      0  0:12:24  0:12:24 --:--:--  991k
python@python-VirtualBox:/tmp$ sha256sum Anaconda3-2019.03-Linux-x86_64.sh
sha256sum: Anaconda3-2019.03-Linux-x86_64.sh: No such file or directory
python@python-VirtualBox:/tmp$ ls
Anaconda3-5.2.0-Linux-x86_64.sh
config-err-80MCXE
ssh-bM5S1pofRzcW
systemd-private-869adb399f9b4bb29d1faede46df776f-apache2.service-WtkZd0
systemd-private-869adb399f9b4bb29d1faede46df776f-bolt.service-Gy1KOQ
systemd-private-869adb399f9b4bb29d1faede46df776f-colord.service-ueDFWp
systemd-private-869adb399f9b4bb29d1faede46df776f-fwupd.service-YzXstt
systemd-private-869adb399f9b4bb29d1faede46df776f-ModemManager.service-dB7it9
systemd-private-869adb399f9b4bb29d1faede46df776f-rtkit-daemon.service-53koIw
systemd-private-869adb399f9b4bb29d1faede46df776f-systemd-resolved.service-lmGjYY
python@python-VirtualBox:/tmp$ bash Anaconda3-2019.03-Linux-x86_64.sh
bash: Anaconda3-2019.03-Linux-x86_64.sh: No such file or directory
python@python-VirtualBox:/tmp$ sudo bash Anaconda3-2019.03-Linux-x86_64.sh
[sudo] password for python:
bash: Anaconda3-2019.03-Linux-x86_64.sh: No such file or directory
python@python-VirtualBox:/tmp$ conda list
conda:

  /home/isola/Documents/Isola02/secondpanel.cpp:68:102: error: invalid use of void expression
  pthread_create(&thread, NULL, mp3->play_mp3("/home/user/Project/audio/scegli-rifiuto.mp3"), NULL);

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#include "rePlay.h"
#include <vlc/vlc.h>

rePlay::rePlay()
{
    //ctor
}

rePlay::~rePlay()
{
    //dtor
}

void rePlay::play_mp3(const char* path){
  // load the vlc engine
    inst = libvlc_new(0, NULL);
    printf("apro il file %d\n", inst);
    // create a new item
    m = libvlc_media_new_path(inst, path);
    // create a media play playing environment
    mp = libvlc_media_player_new_from_media(m);
    // no need to keep the media now
    libvlc_media_release(m);
    // play the media_player
    libvlc_media_player_play(mp);
    printf("Done.\n");
}

void rePlay::stop_mp3(){
  // stop playing
    libvlc_media_player_stop(mp);
    // free the media_player
    libvlc_media_player_release(mp);
    libvlc_release(inst);
}

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#ifndef REPLAY_H
#define REPLAY_H
#include <vlc/vlc.h>

class rePlay
{
    public:
        rePlay();
        virtual ~rePlay();
        void play_mp3(const char*);
        void stop_mp3();
    protected:
        libvlc_instance_t *inst;
        libvlc_media_player_t *mp;
        libvlc_media_t *m;
    private:
};

#endif // REPLAY_H

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pthread_t thread;
rePlay *mp3;
pthread_create(&thread, NULL, mp3->play_mp3("/home/user/Project/audio/scegli-rifiuto.mp3"), NULL);

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pthread_create(&thread, NULL, mp3->stop_mp3, NULL);

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#!/usr/bin/python
from w2k203dpi import Printer

p = Printer()

p.println('test')

p.bold(True)
p.println('test')
p.bold(False)

p.underline(True)
p.println('test')
p.underline(False)

p.qrcode('test')

p.fullcut()

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class Printer:

    def __init__(self):
        DEVPATH = '/dev/usb/lp0'
        self.f = open(DEVPATH, 'w')
        self.mode = 0x00

    def raw(self, data):
        for i in data:
           self.f.write(i)
        self.f.flush()

    def esc(self, data):
        self.raw('\x1b' + data)

    def font(self, value):
        if value:
            self.mode |= (1 << 0)
        else:
            self.mode &= ~(1 << 0)
        self.esc('!' + chr(self.mode))

    def bold(self, value):
        if value:
            self.mode |= (1 << 3)
        else:
         

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