Answer:
Simply put: A callback is a function that is to be executed after another function has finished executing — hence the name 'call back'. ... Functions that do this are called higher-order functions. Any function that is passed as an argument is called a callback function.
Explanation:
Answer:
SELECT Count(order_invoice) as number_of_invoices, Max(order_invoice) as maximum_invoice, Min(order_invoice) as minimum_invoice, Avg(order_invoice) as average_invoice
FROM vendor JOIN invoice ON invoice.id = vendor.id
WHERE order_invoice > 1
ORDER BY number_of_invoices DESC
Explanation:
The select statement of the SQL or structured query language returns twelve rows of four columns from the inner join of the vendor and invoice table in a database where the order_invoice column in the invoice table is greater than one. The result of the query is ordered by the alias column "number_of_invoices" in descending order.
Answer:
C. Symptoms of malware mutation
Explanation:
They are signs that could indicate that ones system is infected by virus.
Such signs includes:
1.Slow booting or startup.
2.Low space storage.
3.Blue screen of death.
4.Slow Internet performance.
5.Sending of spam messages.
6.Disabled security.
7.Browsing error.
8.Pop-up messages.
9.Renaming of files.
10.Loss of certain files, music, messages, etc.
Answer:
C. The experience of the park with The Gates was so different that some people saw the park in a new way.
Explanation:
The couple, Christo Javacheff and Jeanne-Claude Denat based in New York were two top contemporary artists who formed collaborative arts.
On the 3rd of January, 2005 they both made an art work known as The Gates, in Central Park.
The experience of the park with "The Gates" was so different that some people saw the park in a new way.
Mixed and market economies protect individuals' ability to make their own economic decisions.
