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How can I return pivot table output in MySQL?

...w.artfulsoftware.com/infotree/qrytip.php?id=78 I advise reading this post and adapt this solution to your needs. Update After the link above is currently not available any longer I feel obliged to provide some additional information for all of you searching for mysql pivot answers in here. It rea...
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How do I use a custom deleter with a std::unique_ptr member?

... Assuming that create and destroy are free functions (which seems to be the case from the OP's code snippet) with the following signatures: Bar* create(); void destroy(Bar*); You can write your class Foo like this class Foo { std::unique_...
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Why use ICollection and not IEnumerable or List on many-many/one-many relationships?

...ary/92t2ye13.aspx) for a list of objects that needs to be iterated through and modified, List<> for a list of objects that needs to be iterated through, modified, sorted, etc (See here for a full list: http://msdn.microsoft.com/en-us/library/6sh2ey19.aspx). From a more specific standpoint, la...
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Pointers in C: when to use the ampersand and the asterisk?

I'm just starting out with pointers, and I'm slightly confused. I know & means the address of a variable and that * can be used in front of a pointer variable to get the value of the object that is pointed to by the pointer. But things work differently when you're working with arrays, string...
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LINQ Select Distinct with Anonymous Types

... Have a read through K. Scott Allen's excellent post here: And Equality for All ... Anonymous Types The short answer (and I quote): Turns out the C# compiler overrides Equals and GetHashCode for anonymous types. The implementation of the two overridden methods uses all the...
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PostgreSQL “DESCRIBE TABLE”

... equivalent of Oracle's DESCRIBE TABLE in PostgreSQL (using the psql command)? 22 Answers ...
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LEFT OUTER JOIN in LINQ

...ay to do that with where clause? Correct problem: For inner join is easy and I have a solution like this 22 Answers ...
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HTML: Include, or exclude, optional closing tags?

...unless I have a very good reason not to) because it lends to more readable and updateable code. share | improve this answer | follow | ...
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What is the logic behind the “using” keyword in C++?

...aration. The identifier following the using keyword becomes a typedef-name and the optional attribute-specifier-seq following the identifier appertains to that typedef-name. It has the same semantics as if it were introduced by the typedef specifier. In particular, it does not define a new type and ...
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Move capture in lambda

...ref( T && x ) { return rref_impl<T>{ std::move(x) }; } And here's a test case for that function that ran successfully on my gcc 4.7.3. int main() { std::unique_ptr<int> p{new int(0)}; auto rref = make_rref( std::move(p) ); auto lambda = [rref]() mutabl...