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Consider the following program: class Exception {}; int main() { try { throw Exception(); // where is the exception stored? } catch( Exception & ex) // catch by reference {}
Consider the following program: class Exception {}; int main() { try { throw Exception(); // where is the exception stored? } catch( Exception & ex) // catch by reference {}
The terms heap and free-store are used interchangeably when referring to dynamically allocated objects. Are there any differences between the two? Technically, free-store is an abstract term referring to unused
Suppose you have an application that reads input from the keyboard. How can you detect whether alphabetic data is being entered into an integer field from a cin statement? The
Suppose you have a class called A, which doesn’t have a default constructor, and you want to embed an instance of this class as a member of another class, B:
Does you compiler accept the following code? class A { public: void f(int); }; void (A::*pm)(int) = A::f; // #1 no ampersand before A::f A standard-compliant compiler should flag line
Question: How do I display the next page after a user enters data into a field and presses the Enter key? Answer: This is both possible and fairly easy. Here’s
Question: How can I generate a unique number using JavaScript? Answer: You can generate random numbers in JavaScript using the Math.random() method. This function returns a fractional random number between
Question: I call the following function to display the date in “month, date, year” format. It displays in the right format (for example, January 7, 2000) in Netscape 4.0. But
With HTML 4.0, you can add keyboard shortcuts to your Web page. To achieve this, you place the ACCESSKEY attribute inside the form element tag. It is advisable to add