大约有 44,000 项符合查询结果(耗时:0.0500秒) [XML]

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Entity Framework and SQL Server View

... if AnotherProperty had a datatype of varchar(50) I would cast it as such 'CONVERT(VARCHAR(50), AnotherProperty) AS [AnotherProperty]'. this masked the nullability from EF and also allowed empty strings. – Bart Apr 11 '12 at 18:00 ...
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How to print binary tree diagram?

... how to convert this output to horizontal? – jijesh Aj Aug 26 '13 at 6:05 ...
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Performance surprise with “as” and nullable types

...e when unboxing nullable value types. Because Nullable<T> values are converted to boxed Ts during the box operation, an implementation often must manufacture a new Nullable<T> on the heap and compute the address to the newly allocated object. ...
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Create instance of generic type whose constructor requires a parameter?

...u already have a constructed enumerable of parameters should you bother to convert it to object[] and pass that to CreateInstance. – ErikE Aug 4 '15 at 16:36 2 ...
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Shorter syntax for casting from a List to a List?

...like more control over the casting / conversion process, you could use the ConvertAll method of the List<T> class, which can use a supplied expression to convert the items. It has the added benifit that it returns a List, instead of IEnumerable, so no .ToList() is necessary. List<object&gt...
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What is the proper way to check for null values?

... @Timwi: The OP uses ToString() to convert an object containing a string to a string. You can do the same with obj as string or (string)obj. It's a fairly common situation in ASP.NET. – Andomar Mar 22 '12 at 16:13 ...
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Can Json.NET serialize / deserialize to / from a stream?

... Any idea how I can use a custom converter along with this code? See no way of specifying a converter to be used by the serializer – alwayslearning Aug 18 '16 at 10:40 ...
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Best way to randomize an array with .NET

...] randomInt = new byte[4]; rnd.GetBytes(randomInt); return Convert.ToInt32(randomInt[0]); } share | improve this answer | follow | ...
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What are the most common SQL anti-patterns? [closed]

...en "Logged in" else "Logged out" end as "User signed in?", Convert(varchar(100), LastSignOn, 101) as "Last Sign On", DateDiff('d', LastSignOn, getDate()) as "Days since last sign on", AddrLine1 + ' ' + AddrLine2 + ' ' + AddrLine3 + ' ' + City + ', ' + State + ' ' + Zi...
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Java: Difference between PrintStream and PrintWriter

...an OutputStream deals with bytes, what about PrintStream.print(String)? It converts chars to bytes using the default platform encoding. Using the default encoding is generally a bad thing since it can lead to bugs when moving from one platform to another, especially if you are generating the file on...