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What does .SD stand for in data.table in R
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.SD stands for something like "Subset of Data.table". There's no significance to the initial "...
What is the maximum number of characters that nvarchar(MAX) will hold?
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Max. capacity is 2 gigabytes of space - so you're looking at just over 1 billion 2-byte characters that will fit into a NVARCHAR(MAX) field.
Using the other answer's more detailed numbers, you should be able to store
(2 ^ 31 - 1 - 2) / 2 = ...
PHP append one array to another (not array_push or +)
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How to export all collections in MongoDB?
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How to discover number of *logical* cores on Mac OS X?
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You can do this using the sysctl utility:
sysctl -n hw.ncpu
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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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Converting NSString to NSDate (and back again)
How would I convert an NSString like " 01/02/10 " (meaning 1st February 2010) into an NSDate ? And how could I turn the NSDate back into a string?
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The key must be an application-specific resource id
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Robby PondRobby Pond
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Equivalent of .try() for a hash to avoid “undefined method” errors on nil? [duplicate]
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How to POST raw whole JSON in the body of a Retrofit request?
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