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Why is pow(a, d, n) so much faster than a**d % n?
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MongoDB SELECT COUNT GROUP BY
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edited Apr 16 '14 at 17:47
Steven
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How to avoid .pyc files?
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bignose
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answered Sep 30 '08 at 19:38
ConstantinConstantin
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C++ multiline string literal
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unwindunwind
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Guava equivalent for IOUtils.toString(InputStream)
...hat you'd have to write to handle this properly yourself.
Edit: Feb. 2014
InputSupplier and OutputSupplier and the methods that use them have been deprecated in Guava 16.0. Their replacements are ByteSource, CharSource, ByteSink and CharSink. Given a ByteSource, you can now get its contents as a...
How to obtain the number of CPUs/cores in Linux from the command line?
...ading, you can use
grep ^cpu\\scores /proc/cpuinfo | uniq | awk '{print $4}'
which should return (for example) 8 (whereas the command above would return 16)
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rgdal package installation
...7.1 library
from http://trac.osgeo.org/gdal/wiki/DownloadSource and PROJ.4 (proj >= 4.4.9) from http://trac.osgeo.org/proj/; GDAL OSX frameworks built by William Kyngesburye at http://www.kyngchaos.com/ may be used for
source installs on OSX.
As you seem to be under Linux, you always build ...
Semantic Issue: Property's synthesized getter follows Cocoa naming convention for returning 'owned'
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edited Apr 7 '19 at 9:45
Cœur
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answere...
Update MongoDB field using value of another field
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The best way to do this is in version 4.2+ which allows using of aggregation pipeline in the update document and the updateOne, updateMany or update collection method. Note that the latter has been deprecated in most if not all languages drivers.
MongoDB 4.2+
V...