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Which cryptographic hash function should I choose?
...flaw that allows collisions to be found in theoretically far less than the 2^80 steps a secure hash function of its length would require. The attack is continually being revised and currently can be done in ~2^63 steps - just barely within the current realm of computability. For this reason NIST is ...
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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Regular expression to match numbers with or without commas and decimals in text
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EDIT: Since this has gotten a lot of views, let me start by giving everybody what they Googled...
Creating an R dataframe row-by-row
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edited Feb 18 '19 at 2:37
Neil
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iOS multiline label in Interface builder
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answered Jul 2 '11 at 14:27
akashivskyyakashivskyy
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What's the best way to inverse sort in scala?
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244
There may be the obvious way of changing the sign, if you sort by some numeric value
list.sor...
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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PHP append one array to another (not array_push or +)
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format statement in a string resource file
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271
You do not need to use formatted="false" in your XML. You just need to use fully qualified st...
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 = ...