我应该选择什么数据类型在SQL Server中存储IP地址?
通过选择正确的数据类型,可以很容易地按IP地址进行过滤吗?
什么之间的区别还是和OrElse运算?
if temp is dbnull.value or temp = 0
Run Code Online (Sandbox Code Playgroud)
产生错误:
未对类型"DBNull"定义运算符"="并键入"整数".
而这一个就像一个魅力!?
if temp is dbnull.value OrElse temp = 0
Run Code Online (Sandbox Code Playgroud) 如何在SQL Management Studio中更改CommandTimeout?
我觉得,在每个RSS.xml文件中,pubDate和lastBuildDate都匹配.
我相信这一个,并不总是如此......
首先,上述两者之间的区别是什么?
其次,RSS阅读器根据pubDate或lastBuildDate按日期对内容进行排序?
在网络的某个地方,我发现了这个版本的EULA!
那么创建最终用户许可协议的最佳做法是什么?访问一个laywer或搜索和修改一个准备好的通用模板?
你能给我一点开始吗?
这个似乎是在从vs2015升级到vs2017之后发起的.错误是
编译器错误消息:编译器失败,错误代码为-532462766.
一些笔记..
跟踪我有什么
ModuleName AspNetInitializationExceptionModule
Notification BEGIN_REQUEST
HttpStatus 500
HttpReason Internal Server Error
HttpSubStatus 0
ErrorCode The operation completed successfully.
Run Code Online (Sandbox Code Playgroud)
完整的信息是这样的
C:\Windows\SysWOW64\inetsrv>C:\Inetpub\vhosts\xxx\example.com\bin\roslyn\csc.exe /t:library /utf8output /nostdlib+
/R:"C:\Windows\Microsoft.NET\Framework\v4.0.30319\mscorlib.dll"
/R:"C:\Windows\Microsoft.Net\assembly\GAC_MSIL\System.Runtime\v4.0_4.0.0.0__b03f5f7f11d50a3a\System.Runtime.dll"
/R:"C:\Windows\Microsoft.NET\Framework\v4.0.30319\Temporary ASP.NET Files\root\57e80104\20ff5a91\assembly\dl3\6c18e943\c9225320_3eb1d201\Antlr3.Runtime.dll"
/R:"C:\Windows\Microsoft.Net\assembly\GAC_MSIL\System.ServiceModel\v4.0_4.0.0.0__b77a5c561934e089\System.ServiceModel.dll"
/R:"C:\Windows\Microsoft.NET\Framework\v4.0.30319\Temporary ASP.NET Files\root\57e80104\20ff5a91\assembly\dl3\e4a088a1\d00a7551_3eb1d201\Microsoft.AI.Agent.Intercept.dll"
/R:"C:\Windows\Microsoft.NET\Framework\v4.0.30319\Temporary ASP.NET Files\root\57e80104\20ff5a91\assembly\dl3\cb16e378\ec642953_3eb1d201\Microsoft.AI.WindowsServer.dll"
/R:"C:\Windows\Microsoft.Net\assembly\GAC_MSIL\System.ServiceModel.Activities\v4.0_4.0.0.0__31bf3856ad364e35\System.ServiceModel.Activities.dll"
/R:"C:\Windows\Microsoft.Net\assembly\GAC_MSIL\System.Web.DynamicData\v4.0_4.0.0.0__31bf3856ad364e35\System.Web.DynamicData.dll"
/R:"C:\Windows\Microsoft.NET\Framework\v4.0.30319\Temporary ASP.NET Files\root\57e80104\20ff5a91\assembly\dl3\3bcba04c\243c6d4f_3eb1d201\Microsoft.AI.DependencyCollector.dll"
/R:"C:\Windows\Microsoft.Net\assembly\GAC_MSIL\System.Runtime.Serialization\v4.0_4.0.0.0__b77a5c561934e089\System.Runtime.Serialization.dll"
/R:"C:\Windows\Microsoft.NET\Framework\v4.0.30319\Temporary ASP.NET Files\root\57e80104\20ff5a91\assembly\dl3\44aabbe1\43688156_3eb1d201\Microsoft.AspNet.Identity.EntityFramework.dll"
/R:"C:\Windows\Microsoft.NET\Framework\v4.0.30319\Temporary ASP.NET Files\root\57e80104\20ff5a91\assembly\dl3\c0b08566\baa93959_3eb1d201\Microsoft.Owin.Security.dll" /R:"C:\Windows\Microsoft.Net\assembly\GAC_MSIL\System.ServiceModel.Activation\v4.0_4.0.0.0__31bf3856ad364e35\System.ServiceModel.Activation.dll"
/R:"C:\Windows\Microsoft.NET\Framework\v4.0.30319\Temporary ASP.NET Files\root\57e80104\20ff5a91\assembly\dl3\4ed695a8\d6318e55_3eb1d201\Microsoft.AspNet.Identity.Core.dll"
/R:"C:\Windows\Microsoft.Net\assembly\GAC_MSIL\System.Web.Extensions\v4.0_4.0.0.0__31bf3856ad364e35\System.Web.Extensions.dll"
/R:"C:\Windows\Microsoft.Net\assembly\GAC_MSIL\System.Web.Routing\v4.0_4.0.0.0__31bf3856ad364e35\System.Web.Routing.dll"
/R:"C:\Windows\Microsoft.NET\Framework\v4.0.30319\Temporary ASP.NET Files\root\57e80104\20ff5a91\assembly\dl3\e1faf943\7dc91593_3eb1d201\System.Web.Helpers.dll" /R:"C:\Windows\Microsoft.NET\Framework\v4.0.30319\Temporary ASP.NET Files\root\57e80104\20ff5a91\assembly\dl3\d06f7c29\f00a7a59_3eb1d201\Microsoft.Owin.Security.Facebook.dll"
/R:"C:\Windows\Microsoft.Net\assembly\GAC_MSIL\Microsoft.CSharp\v4.0_4.0.0.0__b03f5f7f11d50a3a\Microsoft.CSharp.dll"
/R:"C:\Windows\Microsoft.NET\Framework\v4.0.30319\Temporary ASP.NET Files\root\57e80104\20ff5a91\assembly\dl3\72fa63a2\3e710999_3eb1d201\System.Web.Optimization.dll"
/R:"C:\Windows\Microsoft.NET\Framework\v4.0.30319\Temporary ASP.NET Files\root\57e80104\20ff5a91\assembly\dl3\69efa965\80b6a15a_3eb1d201\Microsoft.Owin.Security.OAuth.dll"
/R:"C:\Windows\Microsoft.NET\Framework\v4.0.30319\Temporary ASP.NET Files\root\57e80104\20ff5a91\assembly\dl3\b5b18ada\bafef257_3eb1d201\Microsoft.Owin.dll"
/R:"C:\Windows\Microsoft.Net\assembly\GAC_MSIL\System.Web.ApplicationServices\v4.0_4.0.0.0__31bf3856ad364e35\System.Web.ApplicationServices.dll"
/R:"C:\Windows\Microsoft.Net\assembly\GAC_MSIL\System.WorkflowServices\v4.0_4.0.0.0__31bf3856ad364e35\System.WorkflowServices.dll"
/R:"C:\Windows\Microsoft.NET\Framework\v4.0.30319\Temporary ASP.NET Files\root\57e80104\20ff5a91\assembly\dl3\57f6acbf\bf5aa39d_3eb1d201\System.Web.WebPages.Razor.dll" …Run Code Online (Sandbox Code Playgroud) 我试图用regsvr32.exe注册prnadmin.dll(在Win7目标机器上),但是我收到此错误 0x80020009
有什么建议吗?
以下是关于退出选择的几个问题......
break;?例1
Select case Name
case "Mary"
'...
case "John"
'...
case else
end select
Run Code Online (Sandbox Code Playgroud)
例2
Select case Name
case "Mary"
'...
exit select
case "John"
'...
exit select
case else
end select
Run Code Online (Sandbox Code Playgroud) 其实我希望我知道从哪里开始......
我在我的个人网站上嵌入了第三方SWF图像库控件.
SWF是XML驱动的.我动态加载XML文件如下....
var flashvars = { xmlPath: "http://www.example.com/xml.aspx" };
var params = { allowFullScreen: "true", wmode: "transparent", allowScriptAccess: "always"};
var attributes = {};
swfobject.embedSWF("main.swf", "gallery", "100%", "100%", "9.0.0", "expressInstall.swf", flashvars, params, attributes);
Run Code Online (Sandbox Code Playgroud)
问题是页面没有按预期工作.实际上它只适用于Firefox,而不适用于Chrome或IE
用fiddler检查请求后,我发现找不到文件crossdomain.xml.所以,stackoverflow帮助我找到了一个样本......
<?xml version="1.0" ?>
<cross-domain-policy>
<site-control permitted-cross-domain-policies="master-only"/>
<allow-access-from domain="*"/>
<allow-http-request-headers-from domain="*" headers="*"/>
</cross-domain-policy>
Run Code Online (Sandbox Code Playgroud)
添加crossdomain.xml后,网页现在可以在Firefox和IE浏览器中使用在Chrome中我仍然有问题.
所以这里有几个问题......
1)什么是crossdomain.xml?
2)如何让我的网页也能在Chrome中运行?
vb.net ×2
.net ×1
asp.net ×1
asp.net-mvc ×1
cross-domain ×1
dll ×1
eula ×1
feed ×1
flash ×1
iis-8.5 ×1
ip-address ×1
licensing ×1
regex ×1
roslyn ×1
rss ×1
select-case ×1
sql ×1
sql-server ×1
ssms ×1
swfobject ×1
t-sql ×1
templates ×1
types ×1
windows-7 ×1