WooCommerce action hooks and overriding templates

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

c++ –

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

error C2106: ‘=’ : left operand must be l-value

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

C++ template constructor

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

“used without template parameters”

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