pcdesign

import React, { Component } from 'react';
import { View, Text } from 'react-native';

export default class App extends React.Component  {

    constructor(props) {
      super(props);

      this.state = {
        data : null
      };
    }

    componentWillMount() {
        this.renderMyData();
    }

    renderMyData(){
        fetch('https://your url')
            .then((response) => response.json())
            .then((responseJson) => {
              this.setState({ data : responseJson })
            })
            .catch((error) => {
              console.error(error);
            });
    }

    render(){
        return(
            <View>
                {this.state.data ? <MyComponent data={this.state.data} /> : <MyLoadingComponnents /> }
            </View>
        );
    }
}

q = db.session.query(Album,  Image).join(Image).filter(Album.id==Image.album_id)

app.config.update(
MAIL_SERVER = 'two.yandex.com'
MAIL_USERNAME = 'user'
)

iptables -t nat -A POSTROUTING -s 192.168.1.0/24 -j SNAT --to-source IP_GATEWAY

echo "hhh" | awk '{ if (/iii/) { print $0 } else { print 0 } }'

my %password = (
    'tom' => '123!',
    'frank' => '321!',
);

if ( exists $password{$name} && $password eq $password{$name} ) {
# что-то делаем
}

use constant {
    FOO => 4,
    BAR => 5
};