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How to generate a random number between a and b in Ruby?

... http://www.rubyinside.com/ruby-1-9-3-introduction-and-changes-5428.html Converting to array may be too expensive, and it's unnecessary. (a..b).to_a.sample Or [*a..b].sample Array#sample Standard in Ruby 1.8.7+. Note: was named #choice in 1.8.7 and renamed in later versions. But anyway...
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Can a Byte[] Array be written to a file in C#?

... Try BinaryReader: /// <summary> /// Convert the Binary AnyFile to Byte[] format /// </summary> /// <param name="image"></param> /// <returns></returns> public static byte[] ConvertANYFileToBytes(HttpPostedFileBase image) { byte...
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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 are bitwise operators?

.... 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...
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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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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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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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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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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 | ...