在akka中,有一些生命周期事件,例如
final case class AssociatedEvent(
localAddress: Address,
remoteAddress: Address,
inbound: Boolean)
extends AssociationEvent
final case class DisassociatedEvent(
localAddress: Address,
remoteAddress: Address,
inbound: Boolean)
extends AssociationEvent
inbound在这里是什
我不是MySQL方面的专家,在查询方面需要一些帮助。
表(t_teams)
团队--组
Germany | A
Russia | B
Danmark | A
Japan | C
.
表(t_matches)
id | fk_team1 | fk_team2 | points_team1 | points_team2
1 | Germany | Russia | 3 | 0
2 | Danmark | Japan | 3 | 0
3 | Germany | Japan | 3 | 0
4 | Russia | Danmark | 1 | 1
外键是: fk_team1 fk_team2
现在,我
我有一个康柏cq5115uk双引导Windows和Ubuntu14.04和惠普激光喷墨1020打印机。在Windows下,只有当我禁用Windows设备管理器中的USB2.0设备时,打印机才能工作,只剩下USB1.1设备。在Ubuntu下,打印机不能工作。我猜问题和Windows是一样的,所以我想知道如何在Ubuntu下禁用USB2.0。谢谢
mike@mike-VC913AA-ABU-CQ5115UK:lsusb
Bus 002 Device 002: ID 058f:6366 Alcor Micro Corp. Multi Flash Reader
Bus 002 Device 001:
在Azure上创建VM (Ubuntu)时,我总是从Overview页面转到DNS name链接来设置DNS name label,比如"myhost.westus.cloudapp.azure.com“。最近,该主机停止工作-我看到设置灰显的页面,并显示一条消息: This public IP address can't be updated because it is associated to the IP configuration 'ipconfig1', in the network interface 'abc123'. 对于我之
我运行了这个命令:
ln -sfv /usr/local/opt/mysql/*.plist ~/Library/LaunchAgents
在没有完全理解它的情况下(试图让mysql服务器在启动时自动启动),并且知道我根本不能访问mysql。
我得到了这个错误:
2016-01-11 17:26:52 551 [ERROR] InnoDB: Unable to lock ./ibdata1,
error: 35
2016-01-11 17:26:52 551 [Note] InnoDB: Check that you do not already have another mysqld
我试着去理解它们之间的区别:
3 - Deauthenticated because sending STA is leaving (or has left) IBSS or ESS.
4 - Disassociated due to inactivity.
都是从客户发到美联社的,我想找出是什么触发了它们。
我有一个网站开发在cakephp 2.0。我有一个表“产品”与属性有关的hasMany,和HABTM到产品。一个产品可以包含多个产品,该产品可以包含多个产品。我可以有多个级别的产品。为了建立这种关系,我使用了这个模型(解释为这个问题:):
class Product extends AppModel {
public $name = 'Product';
public $useTable = 'products';
public $belongsTo = 'User';
public $actsAs = array