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Best introduction to C++ template metaprogramming? [closed]
...ming in C++" from Generative Programming, Methods, Tools, and Applications by Krzysztof Czarnecki and Ulrich W. Eisenecker, ISBN-13: 9780201309775; and chapter 17, "Metaprograms" of C++ Templates: The Complete Guide by David Vandevoorder and Nicolai M. Josuttis, ISBN-13: 9780201734843.
Todd Ve...
How do you check “if not null” with Eloquent?
... out.
I did not have success running:
MyModel::whereNotNull('deleted_by')->get()->all(); // []
MyModel::where('deleted_by', '<>', null)->get()->all(); // []
MyModel::where('deleted_by', '!=', null)->get()->all(); // []
MyModel::wher...
Are +0 and -0 the same?
...number representations allow for the existence of two zeros, often denoted by −0 (negative zero) and +0 (positive zero). This occurs in some signed number representations for integers, and in most floating point number representations. The number 0 is usually encoded as +0, but can be represented ...
Apache Prefork vs Worker MPM
...are two type of MPM apache provides. Both have their merits and demerits.
By default mpm is prefork which is thread safe.
Prefork MPM uses multiple child processes with one thread each and each process handles one connection at a time.
Worker MPM uses multiple child processes with many threads ea...
Equals(=) vs. LIKE
...compares whole strings.
LIKE is a string operator that compares character by character.
To complicate matters, both operators use a collation which can have important effects on the result of the comparison.
Motivating Example
Let's first identify an example where these operators produce obvious...
How do you change the server header returned by nginx?
... server you are
running and possibly what version.
This string is used by places like
Alexia and Netcraft to collect
statistics about how many and of what
type of web server are live on the
Internet. To support the author and
statistics for Nginx we recommend
keeping this string as i...
How do I finish the merge after resolving my merge conflicts?
... natural command:
git merge --continue
See commit c7d227d (15 Dec 2016) by Jeff King (peff).
See commit 042e290, commit c261a87, commit 367ff69 (14 Dec 2016) by Chris Packham (cpackham).
(Merged by Junio C Hamano -- gitster -- in commit 05f6e1b, 27 Dec 2016)
See 2.12 release notes.
merge: ...
python re.sub group: number after \number
... backreferences as described above,
\g will use the substring
matched by the group named name, as
defined by the (?P...) syntax.
\g uses the corresponding
group number; \g<2> is therefore
equivalent to \2, but isn’t ambiguous
in a replacement such as \g<2>0. \20
would ...
JPQL IN clause: Java-Arrays (or Lists, Sets…)?
...
The oracle limit is 1000 parameters. The issue has been resolved by hibernate in version 4.1.7 although by splitting the passed parameter list in sets of 500
see JIRA HHH-1123
share
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imp...
Beautiful Soup and extracting a div and its contents by ID
... just can't find divs inside divs, so i need to narrow things down wrapper by wrapper.
– Tony Stark
Jan 25 '10 at 22:59
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