Programming style is important, because ______________.
a. a program may not compile if it has a bad style
b. good programming style can make a program run faster
c. good programming style makes a program more readable
d. good programming style helps reduce programming errors
cd
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The LSN stored in a page of the database refers to an update record in the log describing the most recent update to the page. Suppose that a transaction has performed the last update to a page and later aborts. Since its update to the page is reversed, the LSN in the page no longer refers to the appropriate update record. Why is this not a problem in the description of logging in the text?
What will be an ideal response?
A digraph is a __________________________
a) graph in which every cycle contains 2 edges. b) graph in which every cycle contains 3 edges. c) graph in which there are no cycles. d) graph in which there are 2 cycles. e) directed graph.
The system must control applets' accesses to sensitive system resources, such as the file system, the processor, the network, and internal state variables. But the term "the file system" is very broad, and useful applets usually need some persistent storage. Suggest controls that could be placed on access to the file system. Your answer has to be more specific than "allow all reads" or "disallow
all writes." Your answer should essentially differentiate between what is "security critical" and not or "harmful" and not. What will be an ideal response?
For the same geometry textbook, you need to draw a selection that will constrain your marquee to a perfect circle. What do you do?
a. use the Elliptical Marquee tool b. use the Elliptical Marquee tool in conjunction with the Shift key c. use the Circular Marquee tool d. use the Lasso tool