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How do I perform a Perl substitution on a string while keeping the original?
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edited Jan 30 at 22:24
Pablo Bianchi
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How does C compute sin() and other math functions?
...ion or branching is rather clever. But there's no comment at all!
Older 32-bit versions of GCC/glibc used the fsin instruction, which is surprisingly inaccurate for some inputs. There's a fascinating blog post illustrating this with just 2 lines of code.
fdlibm's implementation of sin in pure C ...
C# properties: how to use custom set property without private field?
... BrokenGlassBrokenGlass
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Renaming columns in pandas
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edited Jul 3 at 19:15
answered Jul 5 '12 at 14:23
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PostgreSQL: How to pass parameters from command line?
...You can use the -v construct e.g
psql -v v1=12 -v v2="'Hello World'" -v v3="'2010-11-12'"
and then refer to the variables in sql as :v1, :v2 etc
select * from table_1 where id = :v1;
Please pay attention on how we pass string/date value using two quotes " '...' "
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Calculating Distance between two Latitude and Longitude GeoCoordinates
...lating the distance between two GeoCoordinates. I'm testing my app against 3-4 other apps. When I'm calculating distance, I tend to get an average of 3.3 miles for my calculation whereas other apps are getting 3.5 miles. It's a big difference for the calculation I'm trying to perform. Are there any ...
Is there a null-coalescing (Elvis) operator or safe navigation operator in javascript?
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edited Apr 3 '17 at 16:44
andrewf
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How to unzip a file using the command line? [closed]
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You could use :
http://membrane.com/synapse/library/pkunzip.html
or
7zip: http://www.7-zip.or...
Callback functions in Java
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edited Dec 17 '13 at 12:59
answered Jan 14 '09 at 16:48
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