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What is the logic behind the “using” keyword in C++?
... <typename T> void foo (Vec<T>&);
We underscore here that one of the primary reasons for proposing
template aliases was so that argument deduction and the call to foo(p)
will succeed.
The follow-up paper n1489 explains why using instead of using typedef:
It has been suggested to ...
How to prove that a problem is NP complete?
...t have a vertex cover set of size k such that every edge in G has at least one vertex in the cover set?) is in NP:
our input X is some graph G and some number k (this is from the problem definition)
Take our information C to be "any possible subset of vertices in graph G of size k"
Then we can wr...
How to do exponential and logarithmic curve fitting in Python? I found only polynomial fitting
... compare which line describes it best (polynomials of different orders, exponential or logarithmic).
7 Answers
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Database design for audit logging
...
One method that is used by a few wiki platforms is to separate the identifying data and the content you're auditing. It adds complexity, but you end up with an audit trail of complete records, not just listings of fields tha...
Code-first vs Model/Database-first [closed]
... with test data myself in the initializers.
– Jakub Konecki
Mar 27 '11 at 9:00
154
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C++ auto keyword. Why is it magic?
...ic of a storage duration specifier.
Mixing auto variables and functions in one declaration, as in auto f() -> int, i = 0; is not allowed.
For more info : http://en.cppreference.com/w/cpp/language/auto
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HTML table with fixed headers?
... I wrote a simple solution with jQuery.
This is the solution outline:
Clone the table that needs to have a fixed header, and place the
cloned copy on top of the original.
Remove the table body from top table.
Remove the table header from bottom table.
Adjust the column widths. (We keep track of t...
RRSet of type CNAME with DNS name foo.com. is not permitted at apex in zone bar.com
...ME or answer with the actual record the CNAME overlaps with. bar.com is a zone therefore it implicitly has an SOA record for the bar.com name. You can't have both a SOA record and a CNAME with the same name.
However, given that SOA records are generally used only for zone maintenance, these situati...
Does JavaScript have the interface type (such as Java's 'interface')?
...China.)
Another issue is that some coding styles like to assume that everyone writes bad code, and prohibit modifying Object.prototype in case someone wants to blindly use for...in. If you care about that, or are using (IMO broken) code that does, try a slightly different version:
function can(obj...
How can I auto-elevate my batch file, so that it requests from UAC administrator rights if required?
...'ve encountered issues, which are solved in the new version above already. One was due to different double quote handling, and the other issue was due to the fact that UAC was disabled (set to lowest level) on a Windows 7 machine, hence the script calls itself again and again.
I have fixed this no...