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What is the fastest way to compute sin and cos together?
I would like to compute both the sine and co-sine of a value together (for example to create a rotation matrix). Of course I could compute them separately one after another like a = cos(x); b = sin(x); , but I wonder if there is a faster way when needing both values.
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HTML5 dragleave fired when hovering a child element
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Note: In the drop event, reset counter to zero, and clear the added class.
You can run it here
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Why do I get “Procedure expects parameter '@statement' of type 'ntext/nchar/nvarchar'.” when I try t
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The solution is to put an N in front of both the type and the SQL string to indicate it is a double-byte character string:
DECLARE @SQL NVARCHAR(100)
SET @SQL = N'SELECT TOP 1 * FROM sys.tables'
EXECUTE sp_executesql @SQL
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Python: Is it bad form to raise exceptions within __init__?
...e's no other good way to indicate an error condition within a constructor, and there are many hundreds of examples in the standard library where building an object can raise an exception.
The error class to raise, of course, is up to you. ValueError is best if the constructor was passed an invalid ...
Making an array of integers in iOS
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Yes, and given the [presumably] expert-level optimisations under the hood of NSArray, I'm sure you won't feel the performance hit.
– dreamlax
Jul 27 '10 at 2:03
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Error 'LINK : fatal error LNK1123: failure during conversion to COFF: file invalid or corrupt' after
I've installed Visual Studio 2012 Release Preview, and it appears to be fine, but now when I try to use Visual Studio 2010 to compile C++ projects, I get the following error message:
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How to remove all subviews of a view in Swift?
... I noticed that as well! I'll update the post once Xcode comes out of beta and the problem still persists.
– Bseaborn
Sep 1 '15 at 13:02
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How to find Array length inside the Handlebar templates?
I have a Handlebars template which is rendered using a json object. In this json I am sending an array. Like this:
4 Answer...
How to print a list of symbols exported from a dynamic library
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man 1 nm is self-contained and will continue working when command line changes :p
– MK.
Oct 16 '15 at 12:33
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Proper way to catch exception from JSON.parse
...e. In the cases where it returns 404, is there a way to catch an exception and then execute some other code?
5 Answers
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