我正在尝试在服装VPC中创建Postgresql RDS。当我尝试将可公开访问的修改为"YES“ 我得到下面的错误: Cannot create a publicly accessible DBInstance. The specified VPC does not support DNS resolution, DNS hostnames, or both. Update the VPC and then try again (Service: AmazonRDS; Status Code: 400; Error Code: InvalidVPCNetworkStateFault;
应用程序如何无法查找本地主机?
The remote name could not be resolved: 'localhost';
StackTrace;
at System.Net.HttpWebRequest.GetRequestStream(TransportContext& context)
at System.Net.HttpWebRequest.GetRequestStream()
at System.Web.Services.Protocols.SoapHttpClientProtocol.Invoke(
由于以下错误,我无法在Virtualmin中禁用webalizer:
Failed to save enabled features : The feature Webalizer reporting cannot be disabled, as it is used by the :
我怎么才能解决这个问题?或者如何在following virtual servers中禁用webalizer?
我使用的是Mac OS X 10.8.3,selenium 2.32.0,python 2.7,Firefox Version 20,在运行python绑定时遇到以下错误:
selenium.common.exceptions.WebDriverException:
Message: "Can't load the profile. Profile Dir: /var/folders/vn/8h6w79td4p59l9h9xhx2986r0000gn/T/tmpTmsdul Firefox output: LOG addons.xpi: startup
LO
在尝试使用以下方法安装突触包管理器时,会出现以下错误:
$ sudo apt-get install synaptic.
Reading package lists...
Done
Building dependency tree
Reading state information... Done
Package synaptic is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
我正在尝试创建一个拉拉维尔聊天应用程序。当用户之间创建会话时,我不希望将用户记录为主机用户。我想让给定的用户过滤一次会话。示例:如果USER_1和USER_2属于CONVERSATION_1,我希望通过USER_1和USER_2 ids过滤掉CONVERSATION_1。
这是我的桌子结构。
会话
id
product_id
conversation_users
id
conversation_id
user_id
这是我的谈话服务。
class ConversationService
{
public static function first(User $user){