First in reference below you will find how to override properly woocommerce templates via a theme (avoiding editing the plugin templates). In your first code snippet, as you can see for woocommerce_single_product_summary hook, you have in order all the different templates that are @hooked in this hook location with do_action() WordPress function: So in your … Read more
To figure out the problem let separate statements: setCallback needs to know type of T and it can’t deduce it from f, so give it a type
pair is name of a standard class and with the using namespace std, there is a collision. Several solutions : Rename your class to something else. Dont use the using statement
Might wanna try Also, to get hints on how to design the list, you can of course look at std::list, although it can be a bit daunting at times.
Why the loop? You could simply do this: When you were originally doing your string comparison, you should have used == instead.
It should be: And if your code is that short, just inline it, as you can’t separate the implementation and header of a template class anyway.
The type of pointer-to-member-function is different from pointer-to-function. The type of a function is different depending on whether it is an ordinary function or a non-static member function of some class: And Note: if it’s a static member function of class Fred, its type is the same as if it were an ordinary function: “int (*)(char,float)” In C++, member functions have … Read more
This error is being thrown for the same reason you can’t do something like this: Your version of Vector::at should be returning a reference rather than a value.Lvalues are called Lvalues because they can appear on the left of an assignment. Rvalues cannot appear on the left side, which is why we call them rvalues. You can’t … Read more
There is no way to explicitly specify the template arguments when calling a constructor template, so they have to be deduced through argument deduction. This is because if you say: The <int> is the template argument list for the type Foo, not for its constructor. There’s nowhere for the constructor template’s argument list to go. … Read more
VisitedSet is a template, not a class, so you can’t use VisitedSet in a nested name specifier such as VisitedSet::getSize(). Just as you specified the declaration of class VisitedSet<T> for all class T, you must specify the definition of VisitedSet<T>::getSize() for all class T: The name of a template can, however, be used as though it were a class within a template definition: In this case, Example is short … Read more