When hosting our web applications, we often have one public IP
address (i.e., an IP address visible to the outside world)
using which we want to host multiple web apps. For example, one
may wants to host three different web apps respectively for
example1.com, example2.com, and example1.com/images on
the same machine using a single IP address.
How can we do that? Well, the good news is Internet browsers
| #include <signal.h> | |
| #include <stdio.h> | |
| #include <stdint.h> | |
| #include <string.h> | |
| #include <mosquitto.h> | |
| #define mqtt_host "localhost" | |
| #define mqtt_port 1883 |
| # Backup | |
| docker exec CONTAINER /usr/bin/mysqldump -u root --password=root DATABASE > backup.sql | |
| # Restore | |
| cat backup.sql | docker exec -i CONTAINER /usr/bin/mysql -u root --password=root DATABASE | |
| namespace CpfCnpj | |
| { | |
| public static class CpfCnpjUtils | |
| { | |
| public static bool IsValid(string cpfCnpj) | |
| { | |
| return (IsCpf(cpfCnpj) || IsCnpj(cpfCnpj)); | |
| } | |
| private static bool IsCpf(string cpf) |
| /* | |
| Copyright (c) 2014-2020 Electronic Cats SAPI de CV. All right reserved. | |
| This library is free software; you can redistribute it and/or | |
| modify it under the terms of the GNU Lesser General Public | |
| License as published by the Free Software Foundation; either | |
| version 2.1 of the License, or (at your option) any later version. | |
| This library is distributed in the hope that it will be useful, | |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MYSQL_ROOT_PASSWORD=rootpass |
| import 'package:flutter/material.dart'; | |
| void main() => runApp(MyApp()); | |
| class MyApp extends StatelessWidget { | |
| @override | |
| Widget build(BuildContext context) { | |
| return MaterialApp( | |
| title: 'Area Calculator App', |
| bool _showPassword = false; | |
| Widget _buildPasswordTextField() { | |
| return TextField( | |
| obscureText: !this._showPassword, | |
| decoration: InputDecoration( | |
| labelText: 'password', | |
| prefixIcon: Icon(Icons.security), | |
| suffixIcon: IconButton( | |
| icon: Icon( |
