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std::auto_ptr to std::unique_ptr
....
Function scope variable:
100% compatible, as long as you don't pass it by value to another function.
Return type:
not 100% compatible but 99% compatible doesn't seem wrong.
Function parameter by value:
100% compatible with one caveat, unique_ptrs must be passed through a std::move call. This on...
Measure elapsed time in Swift
...appears to give results good up to around +/-2microsec. Maybe that varies by platform, however.
– user1021430
Aug 14 '14 at 15:28
6
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Backup/Restore a dockerized PostgreSQL database
...ethod to restore using the docker container.
The methodology recommended by Forth and edited by Soviut worked for me:
cat your_dump.sql | docker exec -i your-db-container psql -U postgres -d dbname
(since this was a single db dump and not multiple db's i included the name)
However, in order to ...
Asp.net MVC ModelState.Clear
...arly the exact same thing as you. Found out this isn't a bug, though. It's by design: A Bug? EditorFor and DisplayFor don't display same value and ASP.NET MVC’s Html Helpers Render the Wrong Value
– Metro Smurf
Sep 7 '11 at 20:39
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Why use prefixes on member variables in C++ classes
... not allowed. In my specific case, I found the _L happened to be reserved by Visual C++ 2005 and the clash created some unexpected results.
I am on the fence about how useful it is to mark up local variables.
Here is a link about which identifiers are reserved:
What are the rules about using an u...
Reference — What does this symbol mean in PHP?
...-------------------------------
++$a Pre-increment Increments $a by one, then returns $a.
$a++ Post-increment Returns $a, then increments $a by one.
--$a Pre-decrement Decrements $a by one, then returns $a.
$a-- Post-decrement Returns $a, then decrements $a by o...
How to get everything after a certain character?
...answered Jul 10 '12 at 1:38
databyssdatabyss
5,27811 gold badge1919 silver badges2323 bronze badges
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Is there a regular expression to detect a valid regular expression?
... # end of string
/
This is a recursive regex, and is not supported by many regex engines. PCRE based ones should support it.
Without whitespace and comments:
/^((?:(?:[^?+*{}()[\]\\|]+|\\.|\[(?:\^?\\.|\^[^\\]|[^\\^])(?:[^\]\\]+|\\.)*\]|\((?:\?[:=!]|\?<[=!]|\?>)?(?1)??\)|\(\?(?:R|[+-]...
.htaccess: Invalid command 'RewriteEngine', perhaps misspelled or defined by a module not included i
...
or defined by a module not included in the server configuration
Check to make sure you have mod_rewrite enabled.
From: https://webdevdoor.com/php/mod_rewrite-windows-apache-url-rewriting
Find the httpd.conf file (usually you will find...
Bomb dropping algorithm
...s possible to bomb
away the perimeter in a less than optimal fashion, but by using X extra bombs make
the problem of reducing the inner layer simpler by >X bombs. So, if we call
the permiter layer one, if we place an extra X bombs somewhere in layer 2 (just
inside layer 1), can we reduce the...