The O_APPEND flag is used to prevent
A. data loss
B. data duplication
A. data loss
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Which of the following statements is false?
a. For each animation frame, FuncAnimation calls a function that you define to specify how to change the plot. b. Displaying animation frames to the screen is relatively fast compared to the die rolls, which occur at the computer’s CPU speeds. c If we roll only one die per animation frame, we won’t be able to run a large number of rolls in a reasonable amount of time. You can increase the execution speed of the simulation by rolling the die more times per animation frame. d. All of the above statements are true.
A(n)_____ is a detailed description of all data used in a database.
Fill in the blank(s) with the appropriate word(s).
Robyn Cucurullo is developing a social networking app for tablet computers. She has the following stages completed so far:
a. Create a table similar to the one in Figure 3.27.
b. For Week 3, calculate the budget at completion (B A C), planned value (P V), actual cost (A C), and earned value (E V) at Week 3.
c. For Week 3, calculate the performance measures of cost variance (C V), schedule variance (S V), the cost performance index (C P I), and the schedule performance index (S P I).
d. What can you tell about the budget in Week 3 by using these performance measures?
e. What can you tell about the schedule in Week 3 by using these performance measures?
f. For Week 3, calculate the estimated time to complete (E T C) and estimate at completion (E A C).
The switch statement usually results in more complex code than an equivalent if-else chain.
Answer the following statement true (T) or false (F)