谁更安全?
- iceman.yu - 比特客栈的文艺复兴原文:The triumph of coal marketing – Seth Godin. 翻译+整理:David Frank. 你对核能发电是不是也有一些看法. 相比其他的发电方式,它们谁更安全. 数据来自这里,图片来自这里,上图是一幅毫不夸张的数据简化图. 同样的发电量,每当核能发电误杀一个人,煤炭发电会导致4,000人的死亡.
<broker ...>
<plugins>
<simpleAuthenticationPlugin>
<users>
<authenticationUser username="admin" password="password" groups="admins,publishers,consumers"/>
<authenticationUser username="publisher" password="password" groups="publishers,consumers"/>
<authenticationUser username="consumer" password="password" groups="consumers"/>
<authenticationUser username="guest" password="password" groups="guests"/>
</users>
</simpleAuthenticationPlugin>
</plugins>
</broker>
private String username = "publisher";
private String password = "password";
public Publisher() throws JMSException
{
factory = new ActiveMQConnectionFactory(brokerURL);
connection = factory.createConnection(username, password);
connection.start();
session = connection.createSession(false,
Session.AUTO_ACKNOWLEDGE);
producer = session.createProducer(null);
}