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How to sort objects by multiple keys in Python?
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This answer works for any kind of column in the dictionary -- the negated column need not be a n...
What's the difference between “mod” and “remainder”?
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There is a difference between modulus and remainder. For example:
-21 mod 4 is 3 because -21 + 4 x 6 is 3.
But -21 divided by 4 gives -5 with a remainder of -1.
For positive values, there is no difference.
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How to discover number of *logical* cores on Mac OS X?
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812
You can do this using the sysctl utility:
sysctl -n hw.ncpu
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Saving utf-8 texts in json.dumps as UTF8, not as \u escape sequence
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12 Answers
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Approximate cost to access various caches and main memory?
Can anyone give me the approximate time (in nanoseconds) to access L1, L2 and L3 caches, as well as main memory on Intel i7 processors?
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Extracting numbers from vectors of strings
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answered Jan 27 '13 at 1:51
ArunArun
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Can the Unix list command 'ls' output numerical chmod permissions?
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it almost can ..
ls -l | awk '{k=0;for(i=0;i<=8;i++)k+=((substr($1,i+2,1)~/[rwx]/) \
*2^(8-i));if(k)printf("%0o ",k);print}'
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Format SQL in SQL Server Management Studio
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Maven check for updated dependencies in repository
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The Maven Versions plugin and its display-dependency-updates mojo are what you're looking for:...
Creating an R dataframe row-by-row
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edited Feb 18 '19 at 2:37
Neil
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answered Sep...