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How to forward declare a template class in namespace std?

... more template params for std::list (allocator I think). But, that is beside the point. Do I have to know the full template declaration of a template class to be able to forward declare it? ...
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convert pfx format to p12

..., while P12 was the Netscape one. Both formats have been adapted now to be identical, meaning that developers are able to use the .NET System.Security.Cryptography.X509Certificates namespace to work with both of them. See here for more information. – SnapShot ...
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How to convert a string or integer to binary in Ruby?

... For those confused by @decay's code like myself, he is using 'sprintf': apidock.com/ruby/Kernel/sprintf – Taylor Liss Sep 4 '18 at 0:15 ...
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Difference between Visibility.Collapsed and Visibility.Hidden

What are differences between Visibility.Collapsed and Visibility.Hidden in WPF? 3 Answers ...
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Select DISTINCT individual columns in django?

... dictionary, NOT an instance of ProductOrder. Second, it would be a good idea to read the warning note in the docs about using distinct(). The above example will work but all combinations of distinct() and values() may not. PS: it is a good idea to use lower case names for fields in a model. In ...
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Immediate Child selector in LESS

... parser (like you felt about the other answer). Let me explain. Like you said, & always refers to the current (parent) selector. So whatever that's after it should apply to the parent. And, that's pseudo-classes' role. Immediate child classes are closer to ****gasp**** child classes rather than ...
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How to permanently export a variable in Linux?

...t by the caller and changed from within the process. Changing env from outside a running process is unusual and not doable with export, but try with a debugger – Antoine Nov 28 '13 at 9:44 ...
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Can I call memcpy() and memmove() with “number of bytes” set to zero?

... in this subclause, pointer arguments on such a call shall still have valid values, as described in 7.1.4. On such a call, a function that locates a character finds no occurrence, a function that compares two character sequences returns zero, and a function that copies characters copies zero ...
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Initializing a member array in constructor initializer

...itializing aggregates (including arrays) in ctor initializers? Or the invalidness of the above code is a corollary of some other rules? A mem-initializer uses direct initialization. And the rules of clause 8 forbid this kind of thing. I'm not exactly sure about the following case, but some compil...
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Where is the documentation for the values() method of Enum?

... a new array, or does it re-use the same one? – android developer Jul 5 '16 at 8:35 3 @androiddev...