Unlike your C++ code, your C code will not be able to tell that two pointers point at the same object unless the pointers are exactly the same type. For example, in C++ it is easy to check if a Derived* called dp points to the same object as is pointed to by a Base* called bp: just say if (dp == bp) .... The C++ compiler automatically converts both pointers to the same type, in this case to Base*, then compares them.

If the C++ class has any base classes at all (or if any fully contained subobjects have base classes), accessing the data will technically be non-portable, since class layout under inheritance isn't imposed by the language. However in practice, all C++ compilers do it the same way: the base class object appears first (in left-to-right order in the event of multiple inheritance), and member objects follow. See similar questions...

Amulet methods use a pointer to the C++ function in order to store the method in a slot of the Amulet object. As discussed in the standard C++ FAQs, you cannot generate a pointer to a C++ member function since it wouldn't know which C++ object the method should be associated with. Instead, you should store the C++ object into a slot of the object, (see FAQ item 5. See similar questions...

You can't call an arbitrary C function, but you can load and call one that is written to Icon's specifications. A tutorial appears in Icon Analyst 36. Some examples can be found in the cfuncs and packs/loadfuncs directories of the Icon program library. The Jcon implementation allows Icon programs to call Java code that is written to Jcon specifications. See similar questions...

Don't use the Response object that the template has access to. This is designed just so that the template can access certain properties. Instead, save the ApplicationRequest object (HttpServletRequest) in your context instance. See similar questions...

Latest Answer: class is a collection of objects.Whereas objects is not a collection of class. eg: car is an cl... See similar questions...

Is it possible to make a yahoo-like site without MySQL or any other db, but plain text? Something like Links 2.0 in Perl. See similar questions...

For code safety reasons, if the w3compiler cannot determine full usage of a variable, identifies a variable used in eval statements, or recognizes a JavaScript keyword as a variable, the software will leave it alone. Of course, this can be overridden in the advanced configuration for JavaScript optimization. In the sense that it will be difficult to reverse engineer a script that is compiled, yes, w3compiler obfuscates. See similar questions...

To pass this class, you MUST complete all FOUR major assignments and final exam at a C-level grade (70+). You cannot do three essays, then skip the last one. The department sets these four major assignments as course competencies, so skipping one or more indicates a failure in completing the competencies. COME TO CLASS REGULARLY. People who skip class have a tendency to miss out on important lectures and exercises. You should also do your homework consistently. See similar questions...

In Tk, it's common to pass a widget a variable name; for example, Tk label widgets have a -textvariable option which names the variable which will contain the widget's text. This allows the program to update the label's value just by assigning a new value to the variable. If you naively pass the instance variable name to the label widget, you'll be confused by the result; Tk will assume that the name names a global variable. Instead, you need to provide a fully-qualified variable name. See similar questions...

Two ways, _var and _ptr. The idea behind _var is to force automatic memory management, where allocation is off of the stack and memory is returned when the object reference goes out of scope. On the other hand, _ptr object references require specific management, including freeing memory at the appropriate time. See similar questions...

The PyObject_CallMethod() function can be used to call an arbitrary method of an object. The parameters are the object, the name of the method to call, a format string like that used with Py_BuildValue(), and the argument values: PyObject * PyObject_CallMethod(PyObject *object, char *method_name, char *arg_format, ...); This works for any object that has methods -- whether built-in or user-defined. You are responsible for eventually Py_DECREF'ing the return value. To call, e.g. See similar questions...

Class C is the most stringent compliance level. According to no-www, www.example.net is an invalid subdomain. All traffic must go to example.net in order to view the site. Very few sites currently hold this classification, partially because many internet users are not yet savvy enough to drop the www every time. For that reason, this classification is not recommended for sites that serve the general public. See similar questions...

Also depends on the object. Anything designed to bend or move will be able to do so. So a door could open and close, a car could drive around, a ball could roll, a puppet could walk around. But a candlestick couldn't move around on its own, since it is inflexible. Neither could a hammer lift itself to hammer a nail (or whatever). Certain Songs can give movement abilities, however. For example, Numious Corpus: Wings and that toaster vessel . . . See similar questions...

No, not quite. An abstract class in C++ cannot be instantiated, but it can (and often does) contain implementation code and/or data members. A C# interface cannot contain any implementation code or data members - it is simply a group of method names & signatures. A C# interface is more like a COM interface than a C++ abstract class. See similar questions...

Summary by Details provides the user with a mechanism to view what has been previously entered on a BOP plan prior to making adjustments to the plan. It may be used to create negative detail lines via the Copy to Detail button. The Summary by Object Class tab displays summarized data of the object classes entered and Document approved on previously entered BOPs. See similar questions...

Latest Answer: class is the collection of same type of objects .whereas object is an instance of a class.ex :humanb... See similar questions...

In order to test the type of an object, use the operator instanceof. The left operand must be an expression that results in an object (often just a variable), and the right operand must be the name of a class. This comparison evaluates to true if the object can be cast to the class (i.e., it is an instance of the class or an instance of a subclass of the class). Otherwise, it evaluates to false. Here's a short example using shapes: Shape s; .. See similar questions...

The deadline for objecting to the Settlement passed on August 2, 2005, and no additional objections will be accepted. Following a Final Approving Hearing on August 26, 2005, the Trial Court approved the Settlement in a Judgment dated October 24, 2005. A few Class Members subsequently appealed the Court's Judgment. By Decision dated May 1, 2007, the Superior Court of New Jersey Appellate Division, affirmed the Trial Court's approval of the Settlement. See similar questions...