C++ (Qt)
void Dialog::sendAccelerometerMessge(){
/// start get data from QAccelerometer
    QString  str="",strOut="";
    str=str.setNum(reading->x());
    strOut+=str.left(str.indexOf(".")+2)+";";
    str=str.setNum(reading->y());
    strOut+=str.left(str.indexOf(".")+2)+";";
    str=str.setNum(reading->z());
    strOut+=str.left(str.indexOf(".")+2)+";";
/// end get data
 
/// write data to socket
    QByteArray block;
    QDataStream out(&block,QIODevice::WriteOnly);
    out.setVersion(QDataStream::Qt_4_0);
 
    out<<(quint16)0;
    out<<strOut;
    out.device()->seek(0);
    out<<(quint16)(block.size()-(int)sizeof(quint16));
 
    client->write(block);
    client->flush();
 
}//sendAccelerometerMessage