What is the advantage of prefetching images for an animation?
What will be an ideal response?
The animation might hang or freeze if you have to wait to fetch the next image while the animation is in progress. Loading images can take time, something that you might not have when needing to change quickly among images.
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Give the user Accounts SELECT access to these views. Now revoke the access from this user.
What will be an ideal response?
What is accomplished by the call to sprintf in the code fragment below?
``` char ans[20]; int num = 40; sprintf(ans, "%d to %d", num, num + 10); ``` a. Nothing, the function name is misspelled. b. It returns as its value the string "40 to 50". c. It displays first the value of ans and then the string "40 to 50" (without the quote marks). d. It aborts because the value of ans is garbage. e. None of the above.
A program whose only task is to test a method is called a:
a. driver program b. stub c. bottom-up test d. recursive method
Case-Based Critical Thinking QuestionsCase 7-1The faculty member whose course you took last semester has to go out of town for one lecture this semester. The lecture she will miss is on behaviors and rich media, and she'd like you to come to the class and deliver a brief course on behaviors. The first option you plan to discuss in the mini-course is the use of the preset behavior tools. How will you explain how these are implemented in Dreamweaver?
A. There are buttons located throughout Dreamweaver to perform common tasks. B. A prewritten list exists from which you choose an event handler and action for a behavior. C. The developer writes code, usually with JavaScript in Code view or in the Script dialog box. D. There are preset triggers available via the Behavior panel.