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Why is SSE scalar sqrt(x) slower than rsqrt(x) * x?
...= 0 * INF = NaN. INFrsqrt(INF) = INF * 0 = NaN. For this reason, CUDA on NVIDIA GPUs computes approximate single-precision square roots as recip(rsqrt(x)), with the hardware providing both a fast approximation to the reciprocal and the reciprocal square root. Obviously, explicit checks handling the ...
How do I use define_method to create class methods?
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I decided to go with my original answer. My understanding is that using send() to access private methods if going away in Ruby 1.9, so that didn't seem like a good thing to use. Plus if you are defining more than one method, ins...
Android Preferences: How to load the default values when the user hasn't used the preferences-screen
...od has never been called in the past so you don't need to worry about overriding the user's settings each time your Activity is created
Take a look into PreferenceManager.setDefaultValues in Android API for further investigation.
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Give all the permissions to a user on a DB
...in PostgreSQL
How to grant all privileges on views to arbitrary user
Consider upgrading to a current version.
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How to format current time using a yyyyMMddHHmmss format?
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Mnemonic technique for those outside the US: figure what you were doing on the 2nd of January of 2006, just five seconds after 15:04, but imagine it happenning in Burkina Faso (UTC -7). Next time you need to format a date, just remember this particular event...
How to form tuple column from two columns in Pandas
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Did this work on your data? If so, can you share your pandas version and the data? I wonder why your code did not work, it should.
– Wouter Overmeire
Apr 16 '13 at 12:25
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Enabling error display in PHP via htaccess only
...tion files (e.g. httpd.conf) and .htaccess files. You will need "AllowOverride Options" or "AllowOverride All" privileges to do so. php.net/manual/en/configuration.changes.php
– silex
May 25 '11 at 17:01
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How to add a line break in C# .NET documentation
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Did not work for me. Using VB.NET on VS 2010, tried with and without Powertools' colorized parameter option, <para> tags are ignored, and everything is mixed into a single line in Intellisense. Found this question, where...
How to make the 'cut' command treat same sequental delimiters as one?
...edorqui I've never heard of the underscore as "junk variable". Can you provide any more insight/reference on this?
– BryKKan
Nov 14 '17 at 16:01
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how to specify local modules as npm package dependencies
...bar": "file:../foo/bar"
}
}
Any of the following paths are also valid:
../foo/bar
~/foo/bar
./foo/bar
/foo/bar
syncing updates
Since npm install copies mymodule into node_modules, changes in mymodule's source will not automatically be seen by the dependent project.
There are two ways t...