大约有 16,000 项符合查询结果(耗时:0.0237秒) [XML]
Can a Byte[] Array be written to a file in C#?
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Try BinaryReader:
/// <summary>
/// Convert the Binary AnyFile to Byte[] format
/// </summary>
/// <param name="image"></param>
/// <returns></returns>
public static byte[] ConvertANYFileToBytes(HttpPostedFileBase image)
{
byte...
What are bitwise operators?
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Take expr1 && expr2 for example.
Returns expr1 if it can be converted
to false; otherwise, returns expr2.
Thus, when used with Boolean values,
&& returns true if both operands are
true; otherwise, returns false.
a = "Cat" && "Dog" // t && t return...
Where is a complete example of logging.config.dictConfig?
... 'class': 'logging.StreamHandler',
'stream': 'ext://sys.stdout', # Default is stderr
},
},
'loggers': {
'': { # root logger
'handlers': ['default'],
'level': 'WARNING',
'propagate': False
},
'my.pac...
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>...
What is the proper way to check for null values?
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@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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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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Can Json.NET serialize / deserialize to / from a stream?
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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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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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How to write character & in android strings.xml
...e seems to work the best. The $amp; comes out of getString() without being converted. So it's a pain.
– Adam
Aug 28 '12 at 18:05
1
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Best way to randomize an array with .NET
...] randomInt = new byte[4];
rnd.GetBytes(randomInt);
return Convert.ToInt32(randomInt[0]);
}
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