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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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Create a hexadecimal colour based on a string with JavaScript
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Cristian SanchezCristian Sanchez
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How to find largest objects in a SQL Server database?
...ocation_units a ON p.partition_id = a.container_id
WHERE
t.name NOT LIKE 'dt%' AND
i.object_id > 255 AND
i.index_id <= 1
GROUP BY
t.name, i.object_id, i.index_id, i.name
ORDER BY
object_name(i.object_id)
Of course, you can use another ordering criteria, e.g.
ORDER...
Ternary Operator Similar To ?:
I am trying to avoid constructs like this:
5 Answers
5
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jQuery document.createElement equivalent?
...reating new elements, and which is "best".
I put together a small benchmark, and here are roughly the results of repeating the above options 100,000 times:
jQuery 1.4, 1.5, 1.6
Chrome 11 Firefox 4 IE9
<div> 440ms 640ms 460ms
<div></div> ...
Debugging Package Manager Console Update-Database Seed Method
I wanted to debug the Seed() method in my Entity Framework database configuration class when I run Update-Database from the Package Manager Console but didn't know how to do it. I wanted to share the solution with others in case they have the same issue.
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How to select only the first rows for each unique value of a column
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gbngbn
382k7272 gold badges532532 silver badges629629 bronze badges
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Turn off CSRF token in rails 3
...ble to simply post on a resource without minding on get the correct CSRF token.
I tried some methods that I see here in stackoverflow but it seems they no longer work on rails 3.
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prototype based vs. class based inheritance
...terminology issues here, mostly built around someone (not you) trying to make their idea sound like The Best.
All object oriented languages need to be able to deal with several concepts:
encapsulation of data along with associated operations on the data, variously known as data members and member...
How do I get the current Date/time in DD/MM/YYYY HH:MM format?
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The formatting can be done like this (I assumed you meant HH:MM instead of HH:SS, but it's easy to change):
Time.now.strftime("%d/%m/%Y %H:%M")
#=> "14/09/2011 14:09"
Updated for the shifting:
d = DateTime.now
d.strftime("%d/%m/%Y %H:%M")
#=> "...