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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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How to sort objects by multiple keys in Python?
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72
This answer works for any kind of column in the dictionary -- the negated column need not be a n...
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Saving utf-8 texts in json.dumps as UTF8, not as \u escape sequence
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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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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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Maven check for updated dependencies in repository
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287
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...
Convert Float to Int in Swift
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322
You can convert Float to Int in Swift like this:
var myIntValue:Int = Int(myFloatValue)
printl...
Printing everything except the first field with awk
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Assigning $1 works but it will leave a leading space: awk '{first = $1; $1 = ""; print $0, first...