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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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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...
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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Why should I avoid multiple inheritance in C++?
...(a node has ONE parent), not as a graph.
More about the Diamond (edit 2017-05-03)
The real problem with the Diamond of Dread in C++ (assuming the design is sound - have your code reviewed!), is that you need to make a choice:
Is it desirable for the class A to exist twice in your layout, and what d...
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...
Which Boost features overlap with C++11?
...see the list below
gamma function (tgamma), log gamma function (lgamma)
error functions (erf, erfc)
log1p, expm1
cbrt, hypot
acosh, asinh, atanh
TR1 (they are marked in the documentation if those are TR1 libraries)
Array → std::array
Bind → std::bind
Enable If → std::enable_if
Function...
Grouped LIMIT in PostgreSQL: show the first N rows for each group?
...mn and I get "could not identify equality operator for type json postgres" error when I select distinct t_outer.section_id, t_top.*
– suat
May 10 at 11:35
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