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How to create a custom attribute in C#

...ndaryType.Inclusive, 8, RangeBoundaryType.Inclusive, MessageTemplate = "\"{1}\" must always have \"{4}\" characters.")] public string Code { get; set; } From the snippet above, one might guess that the code will always be validated, whenever changed, accordingly to the rules of the Validator (...
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Set value to null in WPF binding

... I am using .NET 3.5 SP1 so it's very simple: <TextBox Text="{Binding Price, TargetNullValue=''}"/> Which stands for (thanks Gregor for your comment): <TextBox Text="{Binding Price, TargetNullValue={x:Static sys:String.Empty}}"/> ...
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How persistent is localStorage?

... | edited Jun 20 at 9:12 Community♦ 111 silver badge answered Mar 30 '12 at 19:33 ...
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How can I prevent the backspace key from navigating back?

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linux 下巧妙使用squid代理服务器 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...,加强局域网的安全性等。它的主要作用有以下几点。 1.共享网络 2.加快访问速度,节约通信带宽 3.防止内部主机受到攻击 4.限制用户访问,完善网络管理 原理: ① 客户端A向代理服务器提出访问Internet的请求。 ...
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Passing arguments with spaces between (bash) script

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How can I determine if a JavaScript variable is defined in a page? [duplicate]

... 162 I got it to work using if (typeof(x) != "undefined") ...
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SCOPE_IDENTITY() for GUIDs?

...SERT INTO dbo.GuidPk ( Col2 ) OUTPUT inserted.ColGuid INTO @op VALUES (1) SELECT * FROM @op SELECT * FROM dbo.GuidPk Reference: Exploring SQL 2005’s OUTPUT Clause share | improve this answ...
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Display date/time in user's locale format and time offset

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What is the difference between '/' and '//' when used for division?

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