What does the following preprocessor code do?
#if !defined(NULL)
#define NULL 0
#endif
a) The code is incorrect, so it generates an error at preprocessor time.
b) The code ensures that NULL is always 0.
c) The code defines NULL to be 0 only if NULL is undefined.
d) The code ensures that NULL is defined throughout the entire program file.
c) The code defines NULL to be 0 only if NULL is undefined.
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Case-Based Critical Thinking QuestionsCase 7-1Ethan needs to create a design with a fluid layout for the Web page project in his sports marketing class. His older brother Maxwell already completed a similar project several years ago and is quite familiar with fluid layout design. Ethan asks him several questions to avoid making mistakes.Ethan wants to set the max-width property to the limit at which he wants users to maximize the screen. Maxwell tells him this limit would depend on which of the following?
A. the use of images B. the use of multimedia controls C. the use of tables D. the number of columns
What are the primary traits that are used to classify malware?
What will be an ideal response?
If you run a query that shows all customers who have spent more than $500 over the past six months and limit the results to those who were born in the current month, this would be an example of ________
A) data B) information C) a complex query D) knowledge
Average is an example of a summary statistic
Indicate whether the statement is true or false