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Entity Framework code first unique column
... in an index.
The reason is because of this:
SQL Server retains the 900-byte limit for the maximum total size of all index key columns."
(from: http://msdn.microsoft.com/en-us/library/ms191241.aspx )
You can solve this by setting a maximum string length on your model:
[StringLength(450)]
...
构建高并发高可用的电商平台架构实践 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...面缓存（http header中包含Expires Cache of Control，last modified(304，...一、 设计理念
1. 空间换时间
1) 多级缓存，静态化
客户端页面缓存（http header中包含Expires/Cache of Control，last modified(304，server不返回body，客户端可以继续用cache，...
Install Node.js on Ubuntu
I'm trying install Node.js on Ubuntu 12.10, but the terminal shows me an error about lost packages. I tried with this:
18 A...
SQL Server: SELECT only the rows with MAX(DATE)
...ikael ErikssonMikael Eriksson
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How to check if a variable is null or empty string or all whitespace in JavaScript?
...ch those, too.
– grant
Aug 9 '13 at 0:26
2
@Grant I purposefully did NOT do that because op said ...
Listing all extras of an Intent
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edited Oct 30 '19 at 12:57
Sean McManus
8611 silver badge66 bronze badges
answered Feb 25 ...
What is the point of noreturn?
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edited May 10 '12 at 16:42
answered May 10 '12 at 16:27
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Preserve HTML font-size when iPhone orientation changes from portrait to landscape
...bkit-text-size-adjust CSS property:
html {
-webkit-text-size-adjust: 100%; /* Prevent font scaling in landscape while allowing user zoom */
}
The use of this property is described further in the Safari Web Content Guide.
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Why is there huge performance hit in 2048x2048 versus 2047x2047 array multiplication?
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10 Answers
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nullable object must have a value
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You should change the line this.MyDateTime = myNewDT.MyDateTime.Value; to just this.MyDateTime ...