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Generate a random number in the range 1 - 10
...rns the same data type as the input (as stated in the manual). You need to cast the result to an integer: trunc(random() * 20)::int
– a_horse_with_no_name
Oct 5 '11 at 17:35
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How do I check if a property exists on a dynamic anonymous type in c#?
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I can't change it, can I cast to ExpendoObject?
– David MZ
Mar 31 '12 at 17:24
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Converting java.util.Properties to HashMap
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The efficient way to do that is just to cast to a generic Map as follows:
Properties props = new Properties();
Map<String, String> map = (Map)props;
This will convert a Map<Object, Object> to a raw Map, which is "ok" for the compiler (only warning)....
Java Enum definition
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Your solution has an unchecked cast: return (CHILD) this; Consider adding a getThis() method: protected CHILD getThis() { return this; } See: angelikalanger.com/GenericsFAQ/FAQSections/…
– Roland
Nov 28 '1...
How to determine if a type implements a specific generic interface type
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why not just cast to IBar<SomeClass> and check for null? (I mean casting with 'as' of course)
– Pablo Retyk
Feb 2 '09 at 14:04
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How to convert a Drawable to a Bitmap?
...n a conditional statement to check if it is indeed a BitmapDrawable before casting it: if (d instanceof BitmapDrawable) { Bitmap bitmap = ((BitmapDrawable)d).getBitmap(); }
– Tony Chan
Jul 9 '11 at 1:57
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Order of event handler execution
...store for a particular event. The default backing store for events, multi-cast delegates, are documented as executing in registration order. This will not change in a future framework version. What may change is the backing store used for a particular event.
– HappyNomad
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AddRange to a Collection
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Try casting to List in the extension method before running the loop. That way you can take advantage of the performance of List.AddRange.
public static void AddRange<T>(this ICollection<T> destination,
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Which method performs better: .Any() vs .Count() > 0?
...WHEN ( EXISTS (SELECT
1 AS [C1]
FROM [Table] AS [Extent1]
)) THEN cast(1 as bit) WHEN ( NOT EXISTS (SELECT
1 AS [C1]
FROM [Table] AS [Extent2]
)) THEN cast(0 as bit) END AS [C1]
FROM ( SELECT 1 AS X ) AS [SingleRowTable1]
that requires 2 scans of rows with your condition.
I don...
Invalid argument supplied for foreach()
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Please do not depend on casting as a solution,
even though others are suggesting this as a valid option to prevent an error, it might cause another one.
Be aware: If you expect a specific form of array to be returned, this might fail you. More chec...