If an app does not have a needed permission (such as an-droid.permission.WRITE_EXTERNAL_STORAGE), use the built-in ________ method to determine whether an explanation of why the app needs this permission should be displayed.
a. shouldShowRationale
b. shouldShowPermissionRationale
c. shouldShowRequestRationale
d. shouldShowRequestPermissionRationale
d. shouldShowRequestPermissionRationale
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A blind write occurs when a transaction writes a database item it has not read. For example, in the Student Registration System a transaction might compute a student’s GPA by reading her course grades, computing the average, and then (blindly) writing the result in the appropriate database item without first reading that item. Some applications have the property that no transactions perform blind writes. Show that for such applications
a. Viewequivalence is equivalent to conflict equivalence. b. The timestamp-ordered concurrency control described in Section 20.9.1 never uses the Thomas Write Rule. c. In the timestamp-ordered concurrency control described in the text, for each item, x, that a transaction, T, w rites, w hen T commits, rt(x) = wt(x) = TS(T).
A(n) ____ is one of the tiny dots of light that form a grid on your screen.
A. element B. screen dot C. pixel D. pix
If you use Windows Defender, then you must be a member of Windows SpyNet
Indicate whether the statement is true or false
In ActionScript 3.0, the ____ programming concept is described as a specific piece of information or data.
A. object B. variable C. property D. parameter