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The code contains two built-in pitfalls. First one, if it executes in a member function for an static, extern or automatic object, the program will possibly crash as soon as the delete statement executes. There is not any portable way for an object to tell that it was instantiated on the heap, thus the class cannot assert that its object is correctly instantiated. Second one, while an object commits suicide this way, using program may not know about its demise. So far as the instantiating program is concerned, the object remains in scope & continues to exist although the object did itself in. Usually Subsequent dereferencing of the pointer can & does lead to disaster.
You must never do this. As compiler does not know whether object was allocated onto the stack or on the heap, "delete this" could cause a tragedy.
Describe Processing an array? The Single operations which involve complete arrays are not permitted in C language. therefore if a and b are similar arrays (for example same dim
Write a program to find the area under the curve y = f(x) between x = a and x = b, integrate y = f(x) between the limits of a and b. The area under a curve between two points can b
Is Overloading of Destructor possible?
Object Conversions Just like initialization, conversions are also done automatically when an object of a derived class is assigned to an object of the base class. Though, the c
How to use HTTP Headers inside PHP? Write the statement through which it can be added? HTTP headers can be used in PHP by redirection that is written as: Headers can be
A: C++, unlike only about every other language with exceptions, is extremely accomodating while it comes to what you can throw. Actually, you can throw anything you akin to. That b
Program: Write a program that predicts users' age (0-128 years old) with at most 7 questions. The game starts with asking the user whether he/she is younger or older than G (an
write a program to find the minimum number of shelves
i want a c or c++ code for solving transportation problem using modified distribution method
how to search, display all data and delete data
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