What does a IsNull function do?
What will be an ideal response?
An IsNull function checks to see whether a field has a value assigned. If it has a value assigned, it is considered not null. If it has no value assigned, then it is considered null.
Computer Science & Information Technology
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Which of the following is not a difference between hex and setbase?
a. setbase is a parameterized stream manipulator and hex is not. b. setbase is provided by a different header file than hex. c. setbase(16) and hex have different effects on stream output. d. setbase takes an argument but hex does not.
Computer Science & Information Technology
Which of the following refer to the same topic?
a. Early binding. b. Late binding c. Virtual functions d. Polymorphism e. Static binding
Computer Science & Information Technology