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Conditions for automatic generation of default/copy/move ctor and copy/move assignment operator?
...is auto-generated if there is no user-declared destructor (§12.4/4).
C++11 and later only:
The move constructor is auto-generated if there is no user-declared copy constructor, copy assignment operator or destructor, and if the generated move constructor is valid (§12.8/10).
The move assignmen...
How to check if anonymous object has a method?
...=== 'function') { ... }
– Vivek
Jun 11 '19 at 12:04
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How to use Bash to create a folder if it doesn't already exist?
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answered Feb 5 '11 at 11:48
Maxim SloykoMaxim Sloyko
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Check if array is empty or null
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answered Aug 25 '11 at 23:48
jfriend00jfriend00
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If vs. Switch Speed
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Konrad RudolphKonrad Rudolph
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Check variable equality against a list of values
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answered Jan 18 '11 at 19:29
GumboGumbo
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Is is possible to check if an object is already attached to a data context in Entity Framework?
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answered Nov 11 '09 at 15:54
joshcomleyjoshcomley
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Check if class already assigned before adding
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answered Sep 13 '11 at 14:27
jmar777jmar777
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Return type of '?:' (ternary conditional operator)
.... This is its value category. (This is somewhat of a simplification, in C++11 we have lvalues, xvalues and prvalues.)
In very broad and simple terms, an lvalue refers to an object in memory and an rvalue is just a value that may not necessarily be attached to an object in memory.
An assignment expre...
MongoDB atomic “findOrCreate”: findOne, insert if nonexistent, but do not update
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edited Apr 15 '14 at 17:11
answered May 3 '13 at 15:45
nu...