A(n) ____ is a loop that checks for valid input and repeats until valid input has been entered.
A. indeterminate loop
B. posttest loop
C. validation loop
D. pretest loop
Answer: C
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Each of the following has at least one error, either intent, or an error that may be caught by the compiler or both). What is the error? Assume all the variables you see are defined and initialized.
a) for(int i = 0; i <10; i++); sum = sum +x; b) if (x > 0) x = 3 else x =4; c) if(x = 0) x = MAXINT; d) if x > 0 x = 3; e) if (x>0) then x =3;
Modify any of the functions from the last chapter to use a nested loop. Check the result to make sure it still does the same thing.
There any many potential options here, but they all require the same approach. Instead of looping through each pixel, loop through the x values and the y values as two separate loops. The most useful functions to do this in are those that only make changes over a range, as it avoids checking a lot of unnecessary pixels. For example, the removeRedEye function:
List the eight general guidelines for proper coding.
What will be an ideal response?
Find the set of all customers satisfying the property that for each the total value of his or her accounts is at least S1,000,000.
Use SQL:1999/2003 and the schema constructed for the previous exercise to answer the following queries: