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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.
1. write a program named InputMethodDemo2 that eliminates the repetitive code in the InputMethod() in the InputMethodDemo program. Rewrite the program so the InputMethod()contains
write a c program chat illustrates the creation of child process using fork system call. One process finds sum of even series and other process finds sum of odd series.
the issue of oil spills
Logical Operators We say any expression that evaluates to zero is a FALSE logic condition and that evaluating to non-zero value is a TRUE condition. Logical operators are usefu
How do you declare an integer variable? Explain with an example.
Using Figure 10.2 as a model, illustrate the result of each operation in the sequence ENQUEUE.Q; 4/, ENQUEUE.Q; 1/, ENQUEUE.Q; 3/, DEQUEUE.Q/, ENQUEUE.Q; 8/, and DEQUEUE.Q/ on an i
Create a pseudocode in getting Calendar Quarter. The program should identify which quarter falls the given date. Note: Consider the date format DDMMYYYY.
i want software to calculate heating or use thermodynamic equation , pleas help me
want a c code soon
What are control structures? - Control structures decide which instructions in program must be executed. - This implies that program flow may not necessarily move from one s
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