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Parsing IPv6 extension headers containing unknown extensions
...eader is in some way optional (it had better be), you will receive an ICMP error about that and can try again without it.
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Delete files older than 3 months old in a directory using .NET
...ted.
– Steve Danner
Feb 8 '10 at 15:05
3
+1 for helping me out. Instead of creating a new FileInf...
Difference between std::result_of and decltype
...a SFINAE-friendly expression, whereas std::result_of could give you a hard error instead of a deduction failure. That has been corrected in C++14: std::result_of is now required to be SFINAE-friendly (thanks to this paper).
So on a conforming C++14 compiler, std::result_of_t<F(Args...)> is st...
Round to 5 (or other number) in Python
...
For rounding to non-integer values, such as 0.05:
def myround(x, prec=2, base=.05):
return round(base * round(float(x)/base),prec)
I found this useful since I could just do a search and replace in my code to change "round(" to "myround(", without having to change th...
Create Pandas DataFrame from a string
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I found (by trial&error) that read_fwf takes more of read_csvs arguments than is documented, but it's true that some have no effect.
– gerrit
Jan 20 at 16:12
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Curious null-coalescing operator custom implicit conversion behaviour
...ratch for Roslyn; it now does a better job and avoids these sorts of weird errors. For some thoughts on how the optimizer in Roslyn works, see my series of articles which begins here: https://ericlippert.com/2012/12/20/nullable-micro-optimizations-part-one/
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Difference in Months between two dates in JavaScript
...e except the fact that every month started is counted. 31/03/2011 -> 01/05/2011 will be two months as well as 01/03/2011 -> 31/05/2011 but it should be three to be exact.
– Natim
Sep 5 '13 at 17:05
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Can I specify multiple users for myself in .gitconfig?
... * )
printf "\n» pre-commit hook: unknown error\n» Quitting.\n"
exit 1
;;
esac
fi
done
else
printf "\n»» An Intermission\n» No remote repository set. Using local fallback identity:\n"
print...
Select multiple records based on list of Id's with linq
...NQ to SQL implementations of query operators except the Contains operator. error when using LINQ2SQL datacontext.
– Mayank Raichura
Jan 30 '16 at 0:20
4
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Facebook database design?
...ild it so that it will perform well but it clearly requires some trial and error and benchmarking.
Here is my disappointing test for just findings friends of friends:
DB Schema:
CREATE TABLE IF NOT EXISTS `friends` (
`id` int(11) NOT NULL,
`user_id` int(11) NOT NULL,
`friend_id` int(11) NOT N...