A built-in referral system in the social network helps participants contact other participants with similar interests.
Answer the following statement true (T) or false (F)
True
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Suppose we write a function for a class which is not supposed to change any data members in the class. When we test the class, we get a runtime error. After tracking down the source of the runtime error, we realize that this function mistakenly changed the value of a data member. To make things easier, we should have:
A. passed parameters into the function using const reference B. declared all the data members as constant (using const at the front of their declarations) C. used const at the end of the function prototype D. used a Peterson Language Modifier
Explain why a cohort does not have to force an abort record to the log during the two-phase commit protocol.
What will be an ideal response?
Create a calendar for the current month using a table. Put the name of the month in a caption at the top. Change the color of the text for Sunday and holidays. Make note of any special days during the month. Add an appropriate graphic to one of the blank cells at the end of the calendar.
What will be an ideal response?
Combine the programs from Programming Projects 5 and 6 to read integer exam scores in the range 0 to 100 and to display the following statistics:
Total number of scores Total number of each letter grade Percentage of total for each letter grade Range of scores: lowest and highest Average score As before, enter a negative score as a sentinel value to end the data input and display the statistics. Practice Program 4.5, Practice Program 4.6