Map method ________ performs an operation on each key–value pair.
a. for
b. forNext
c. forEach
d. forAll
C
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in the Declarations section of the Code editor and the array is filled with data for the 193 member nations of the UN. What will be displayed in the list box when the following code is executed?
``` Dim query = From country In nations Where country.continent = "Africa" Order By country.population Descending Select country.name lstBox.DataSource = query.ToList lstBox.SelectedIndex = Nothing ``` Suppose a structure and an array are created with the code ``` Structure Nation Dim name As String Dim continent As String Dim population As Double 'in millions Dim area As Double 'in square miles End Structure Dim nations(192) As Nation ``` (A) the names of the countries in Africa in alphabetical order (B) the names of the countries in Africa beginning with the name of the least populous country (C) the names of the countries in Africa beginning with the name of the most populous country (D) the names of the countries in Africa in reverse alphabetical order
Music is stored on DVDs in a digital format called CD-DA.
Answer the following statement true (T) or false (F)
One way of pasting text is:
A) pressing Ctrl+a. B) clicking the Paste button on the View tab. C) pressing Ctrl+c. D) clicking the Paste button on the Home tab.
If your database is getting too large, what will not help to reduce the size of the database file?
A. Delete unnecessary attachments B. Compact your database C. Delete incorrect attachments D. Delete unnecessary hyperlinks